Compute the grade while recalculate the calorie.

MyTracks/src/com/google/android/apps/mytracks/AbstractMyTracksActivity.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2012 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+
+import android.os.Bundle;
+import android.speech.tts.TextToSpeech;
+import android.support.v4.app.FragmentActivity;
+import android.view.MenuItem;
+
+/**
+ * An abstract class for all My Tracks activities.
+ * 
+ * @author Jimmy Shih
+ */
+public abstract class AbstractMyTracksActivity extends FragmentActivity {
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
+
+    // Hide title must be before setContentView
+    if (hideTitle()) {
+      ApiAdapterFactory.getApiAdapter().hideTitle(this);
+    }
+
+    setContentView(getLayoutResId());
+
+    // Configure action bar must be after setContentView
+    if (configureActionBarHomeAsUp()) {
+      ApiAdapterFactory.getApiAdapter().configureActionBarHomeAsUp(this);
+    }
+  }
+
+  /**
+   * Gets the layout resource id.
+   */
+  protected abstract int getLayoutResId();
+
+  /**
+   * Returns true to hide the title. Be default, do not hide the title.
+   */
+  protected boolean hideTitle() {
+    return false;
+  }
+
+  /**
+   * Returns true to configure the action bar home button as the up button.
+   */
+  protected boolean configureActionBarHomeAsUp() {
+    return true;
+  }
+
+  /**
+   * Callback when the home menu item is selected.
+   */
+  protected void onHomeSelected() {
+    finish();
+  }
+
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    if (item.getItemId() == android.R.id.home) {
+      onHomeSelected();
+      return true;
+    }
+    return super.onOptionsItemSelected(item);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/AbstractSendToGoogleActivity.java

@@ -0,0 +1,412 @@
+/*
+ * Copyright 2012 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.fragments.CheckPermissionFragment;
+import com.google.android.apps.mytracks.fragments.CheckPermissionFragment.CheckPermissionCaller;
+import com.google.android.apps.mytracks.fragments.ChooseAccountDialogFragment;
+import com.google.android.apps.mytracks.fragments.ChooseAccountDialogFragment.ChooseAccountCaller;
+import com.google.android.apps.mytracks.fragments.ConfirmDeleteDialogFragment;
+import com.google.android.apps.mytracks.fragments.ConfirmDeleteDialogFragment.ConfirmDeleteCaller;
+import com.google.android.apps.mytracks.fragments.ConfirmSyncDialogFragment;
+import com.google.android.apps.mytracks.fragments.ConfirmSyncDialogFragment.ConfirmSyncCaller;
+import com.google.android.apps.mytracks.fragments.InstallEarthDialogFragment;
+import com.google.android.apps.mytracks.fragments.ShareTrackDialogFragment;
+import com.google.android.apps.mytracks.fragments.ShareTrackDialogFragment.ShareTrackCaller;
+import com.google.android.apps.mytracks.io.drive.SendDriveActivity;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.io.file.exporter.SaveActivity;
+import com.google.android.apps.mytracks.io.fusiontables.SendFusionTablesActivity;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsConstants;
+import com.google.android.apps.mytracks.io.maps.SendMapsActivity;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendRequest;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendToGoogleUtils;
+import com.google.android.apps.mytracks.io.sendtogoogle.UploadResultActivity;
+import com.google.android.apps.mytracks.io.spreadsheets.SendSpreadsheetsActivity;
+import com.google.android.apps.mytracks.io.sync.SyncUtils;
+import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
+import com.google.android.apps.mytracks.util.AnalyticsUtils;
+import com.google.android.apps.mytracks.util.GoogleEarthUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.TrackRecordingServiceConnectionUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.accounts.AccountManagerCallback;
+import android.accounts.AccountManagerFuture;
+import android.accounts.AuthenticatorException;
+import android.accounts.OperationCanceledException;
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.support.v4.app.Fragment;
+import android.util.Log;
+import android.widget.Toast;
+
+import java.io.IOException;
+
+/**
+ * An abstract class for sending a track to Google services.
+ * 
+ * @author Jimmy Shih
+ */
+public abstract class AbstractSendToGoogleActivity extends AbstractMyTracksActivity implements
+    ChooseAccountCaller, ConfirmSyncCaller, CheckPermissionCaller, ShareTrackCaller,
+    ConfirmDeleteCaller {
+
+  private static final String TAG = AbstractMyTracksActivity.class.getSimpleName();
+  private static final String SEND_REQUEST_KEY = "send_request_key";
+  private static final int DRIVE_REQUEST_CODE = 0;
+  private static final int FUSION_TABLES_REQUEST_CODE = 1;
+  private static final int SPREADSHEETS_REQUEST_CODE = 2;
+  private static final int DELETE_REQUEST_CODE = 3;
+  protected static final int GOOGLE_PLAY_SERVICES_REQUEST_CODE = 4;
+  protected static final int CAMERA_REQUEST_CODE = 5;
+
+  private SendRequest sendRequest;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    if (savedInstanceState != null) {
+      sendRequest = savedInstanceState.getParcelable(SEND_REQUEST_KEY);
+    }
+  }
+
+  @Override
+  protected void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    outState.putParcelable(SEND_REQUEST_KEY, sendRequest);
+  }
+
+  /**
+   * Share a track.
+   * 
+   * @param trackId the track id
+   */
+  protected void shareTrack(long trackId) {
+    AnalyticsUtils.sendPageViews(this, AnalyticsUtils.ACTION_SHARE_DRIVE);
+    SendRequest newRequest;
+    newRequest = new SendRequest(trackId);
+    newRequest.setSendDrive(true);
+    newRequest.setDriveShare(true);
+    sendToGoogle(newRequest);
+  }
+
+  /**
+   * Sends a request to Google.
+   * 
+   * @param request the request
+   */
+  protected void sendToGoogle(SendRequest request) {
+    sendRequest = request;
+    new ChooseAccountDialogFragment().show(
+        getSupportFragmentManager(), ChooseAccountDialogFragment.CHOOSE_ACCOUNT_DIALOG_TAG);
+  }
+
+  @Override
+  public void onChooseAccountDone() {
+    String googleAccount = PreferencesUtils.getString(
+        this, R.string.google_account_key, PreferencesUtils.GOOGLE_ACCOUNT_DEFAULT);
+    if (googleAccount == null || googleAccount.equals(PreferencesUtils.GOOGLE_ACCOUNT_DEFAULT)) {
+      return;
+    }
+    sendRequest.setAccount(new Account(googleAccount, Constants.ACCOUNT_TYPE));
+  
+    if (sendRequest.isSendDrive() && sendRequest.isDriveSync() && sendRequest.isDriveSyncConfirm()) {
+      new ConfirmSyncDialogFragment().show(
+          getSupportFragmentManager(), ConfirmSyncDialogFragment.CONFIRM_SYNC_DIALOG_TAG);
+    } else {
+      onConfirmSyncDone(true);
+    }
+  }
+
+  @Override
+  public void onConfirmSyncDone(boolean enable) {
+    if (enable) {
+      // Check Drive permission
+      boolean needDrivePermission = sendRequest.isSendDrive();
+      if (!needDrivePermission && sendRequest.isSendFusionTables()) {
+        needDrivePermission = PreferencesUtils.getBoolean(this,
+            R.string.export_google_fusion_tables_public_key,
+            PreferencesUtils.EXPORT_GOOGLE_FUSION_TABLES_PUBLIC_DEFAULT);
+      }
+      if (!needDrivePermission) {
+        needDrivePermission = sendRequest.isSendSpreadsheets();
+      }
+  
+      if (needDrivePermission) {
+        Fragment fragment = CheckPermissionFragment.newInstance(
+            sendRequest.getAccount().name, SendToGoogleUtils.DRIVE_SCOPE);
+        getSupportFragmentManager().beginTransaction()
+            .add(fragment, CheckPermissionFragment.CHECK_PERMISSION_TAG).commit();
+      } else {
+        onDrivePermissionSuccess();
+      }
+    }
+  }
+
+  @Override
+  public void onCheckPermissionDone(String scope, boolean success, Intent intent) {
+    if (success) {
+      if (scope.equals(SendToGoogleUtils.DRIVE_SCOPE)) {
+        onDrivePermissionSuccess();
+      } else if (scope.equals(SendToGoogleUtils.FUSION_TABLES_SCOPE)) {
+        onFusionTablesSuccess();
+      } else {
+        onSpreadsheetsPermissionSuccess();
+      }
+    } else {
+      if (intent != null) {
+        int requestCode;
+        if (scope.equals(SendToGoogleUtils.DRIVE_SCOPE)) {
+          requestCode = DRIVE_REQUEST_CODE;
+        } else if (scope.equals(SendToGoogleUtils.FUSION_TABLES_SCOPE)) {
+          requestCode = FUSION_TABLES_REQUEST_CODE;
+        } else {
+          requestCode = SPREADSHEETS_REQUEST_CODE;
+        }
+        startActivityForResult(intent, requestCode);
+      } else {
+        onPermissionFailure();
+      }
+    }
+  }
+
+  @Override
+  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+    switch (requestCode) {
+      case DRIVE_REQUEST_CODE:
+        SendToGoogleUtils.cancelNotification(this, SendToGoogleUtils.DRIVE_NOTIFICATION_ID);
+        if (resultCode == Activity.RESULT_OK) {
+          onDrivePermissionSuccess();
+        } else {
+          onPermissionFailure();
+        }
+        break;
+      case FUSION_TABLES_REQUEST_CODE:
+        SendToGoogleUtils.cancelNotification(this, SendToGoogleUtils.FUSION_TABLES_NOTIFICATION_ID);
+        if (resultCode == Activity.RESULT_OK) {
+          onFusionTablesSuccess();
+        } else {
+          onPermissionFailure();
+        }
+        break;
+      case SPREADSHEETS_REQUEST_CODE:
+        SendToGoogleUtils.cancelNotification(this, SendToGoogleUtils.SPREADSHEETS_NOTIFICATION_ID);
+        if (resultCode == Activity.RESULT_OK) {
+          onSpreadsheetsPermissionSuccess();
+        } else {
+          onPermissionFailure();
+        }
+        break;
+      case DELETE_REQUEST_CODE:
+        onDeleted();
+        break;
+      default:
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+  }
+
+  private void onDrivePermissionSuccess() {
+    // Check Maps permission
+    if (sendRequest.isSendMaps()) {
+      AccountManager.get(this).getAuthToken(
+          sendRequest.getAccount(), MapsConstants.SERVICE_NAME, null, this,
+          new AccountManagerCallback<Bundle>() {
+              @Override
+            public void run(AccountManagerFuture<Bundle> future) {
+              try {
+                if (future.getResult().getString(AccountManager.KEY_AUTHTOKEN) != null) {
+                  runOnUiThread(new Runnable() {
+                      @Override
+                    public void run() {
+                      onMapsPermissionSuccess();
+                    }
+                  });
+                  return;
+                } else {
+                  Log.d(TAG, "auth token is null");
+                }
+              } catch (OperationCanceledException e) {
+                Log.d(TAG, "Unable to get auth token", e);
+              } catch (AuthenticatorException e) {
+                Log.d(TAG, "Unable to get auth token", e);
+              } catch (IOException e) {
+                Log.d(TAG, "Unable to get auth token", e);
+              }
+              runOnUiThread(new Runnable() {
+                  @Override
+                public void run() {
+                  onPermissionFailure();
+                }
+              });
+            }
+          }, null);
+    } else {
+      onMapsPermissionSuccess();
+    }
+  }
+
+  private void onMapsPermissionSuccess() {
+    // Check Fusion Tables permission
+    if (sendRequest.isSendFusionTables()) {
+      Fragment fragment = CheckPermissionFragment.newInstance(
+          sendRequest.getAccount().name, SendToGoogleUtils.FUSION_TABLES_SCOPE);
+      getSupportFragmentManager()
+          .beginTransaction().add(fragment, CheckPermissionFragment.CHECK_PERMISSION_TAG).commit();
+    } else {
+      onFusionTablesSuccess();
+    }
+  }
+
+  private void onFusionTablesSuccess() {
+    // Check Spreadsheets permission
+    if (sendRequest.isSendSpreadsheets()) {
+      Fragment fragment = CheckPermissionFragment.newInstance(
+          sendRequest.getAccount().name, SendToGoogleUtils.SPREADSHEETS_SCOPE);
+      getSupportFragmentManager()
+          .beginTransaction().add(fragment, CheckPermissionFragment.CHECK_PERMISSION_TAG).commit();
+    } else {
+      onSpreadsheetsPermissionSuccess();
+    }
+  }
+
+  /**
+   * On spreadsheets permission success. If
+   * <p>
+   * isSendDrive and isDriveEnableSync -> enable sync
+   * <p>
+   * isSendDrive and isDriveShare -> show {@link ShareTrackDialogFragment}
+   * <p>
+   * isSendDrive -> start {@link SendDriveActivity}
+   * <p>
+   * isSendMaps -> start {@link SendMapsActivity}
+   * <p>
+   * isSendFusionTables -> start {@link SendFusionTablesActivity}
+   * <p>
+   * isSendSpreadsheets -> start {@link SendSpreadsheetsActivity}
+   * <p>
+   * else -> start {@link UploadResultActivity}
+   */
+  private void onSpreadsheetsPermissionSuccess() {
+    Class<?> next;
+    if (sendRequest.isSendDrive()) {
+      if (sendRequest.isDriveSync()) {
+        PreferencesUtils.setBoolean(this, R.string.drive_sync_key, true);
+
+        // Turn off everything
+        SyncUtils.disableSync(this);
+
+        // Turn on sync
+        ContentResolver.setMasterSyncAutomatically(true);
+
+        // Enable sync for account
+        SyncUtils.enableSync(sendRequest.getAccount());
+        return;
+      } else if (sendRequest.isDriveShare()) {
+        ShareTrackDialogFragment.newInstance(sendRequest.getTrackId())
+            .show(getSupportFragmentManager(), ShareTrackDialogFragment.SHARE_TRACK_DIALOG_TAG);
+        return;
+      } else {
+        next = SendDriveActivity.class;
+      }
+    } else if (sendRequest.isSendMaps()) {
+      next = SendMapsActivity.class;
+    } else if (sendRequest.isSendFusionTables()) {
+      next = SendFusionTablesActivity.class;
+    } else if (sendRequest.isSendSpreadsheets()) {
+      next = SendSpreadsheetsActivity.class;
+    } else {
+      next = UploadResultActivity.class;
+    }
+    Intent intent = IntentUtils.newIntent(this, next)
+        .putExtra(SendRequest.SEND_REQUEST_KEY, sendRequest);
+    startActivity(intent);
+  }
+
+  /**
+   * Call when not able to get permission for a google service.
+   */
+  private void onPermissionFailure() {
+    Toast.makeText(this, R.string.send_google_no_account_permission, Toast.LENGTH_LONG).show();
+  }
+
+  @Override
+  public void onShareTrackDone(String emails, boolean makePublic) {
+    sendRequest.setDriveShareEmails(emails);
+    sendRequest.setDriveSharePublic(makePublic);
+    Intent intent = IntentUtils.newIntent(this, SendDriveActivity.class)
+        .putExtra(SendRequest.SEND_REQUEST_KEY, sendRequest);
+    startActivity(intent);
+  }
+
+  /**
+   * Play track in Google Earth.
+   * 
+   * @param trackIds the track ids
+   */
+  protected void playTrack(long[] trackIds) {
+    AnalyticsUtils.sendPageViews(this, AnalyticsUtils.ACTION_PLAY);
+    if (GoogleEarthUtils.isEarthInstalled(this)) {
+      Intent intent = IntentUtils.newIntent(this, SaveActivity.class)
+          .putExtra(SaveActivity.EXTRA_TRACK_IDS, trackIds)
+          .putExtra(SaveActivity.EXTRA_TRACK_FILE_FORMAT, (Parcelable) TrackFileFormat.KML)
+          .putExtra(SaveActivity.EXTRA_PLAY_TRACK, true);
+      startActivity(intent);
+    } else {
+      new InstallEarthDialogFragment().show(
+          getSupportFragmentManager(), InstallEarthDialogFragment.INSTALL_EARTH_DIALOG_TAG);
+    }
+  }
+
+  protected void deleteTrack(long[] trackIds) {
+    ConfirmDeleteDialogFragment.newInstance(trackIds)
+        .show(getSupportFragmentManager(), ConfirmDeleteDialogFragment.CONFIRM_DELETE_DIALOG_TAG);
+  }
+
+  abstract protected TrackRecordingServiceConnection getTrackRecordingServiceConnection();
+
+  abstract protected void onDeleted();
+
+  @Override
+  public void onConfirmDeleteDone(long[] trackIds) {
+    boolean stopRecording = false;
+    if (trackIds.length == 1 && trackIds[0] == -1L) {
+      stopRecording = true;
+    } else {
+      long recordingTrackId = PreferencesUtils.getLong(this, R.string.recording_track_id_key);
+      for (long trackId : trackIds) {
+        if (trackId == recordingTrackId) {
+          stopRecording = true;
+          break;
+        }
+      }
+    }
+    if (stopRecording) {
+      TrackRecordingServiceConnectionUtils.stopRecording(
+          this, getTrackRecordingServiceConnection(), false);
+    }
+    Intent intent = IntentUtils.newIntent(this, DeleteActivity.class);
+    intent.putExtra(DeleteActivity.EXTRA_TRACK_IDS, trackIds);
+    startActivityForResult(intent, DELETE_REQUEST_CODE);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/AggregatedStatsActivity.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.StatsUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.os.Bundle;
+
+import java.util.List;
+
+/**
+ * An activity to view aggregated stats from all recorded tracks.
+ *
+ * @author Fergus Nelson
+ */
+public class AggregatedStatsActivity extends AbstractMyTracksActivity {
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    StatsUtils.setTripStatisticsValues(this, getTripStatistics(),
+        PreferencesUtils.RECORDING_TRACK_ID_DEFAULT);
+    StatsUtils.setLocationValues(this, null, false);
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.stats;
+  }
+
+  /**
+   * Gets the aggregated trip statistics for all the recorded tracks or null if
+   * there is no track.
+   */
+  private TripStatistics getTripStatistics() {
+    List<Track> tracks = MyTracksProviderUtils.Factory.get(this).getAllTracks();
+    TripStatistics tripStatistics = null;
+    if (!tracks.isEmpty()) {
+      tripStatistics = new TripStatistics(tracks.iterator().next().getTripStatistics());
+      for (int i = 1; i < tracks.size(); i++) {
+        tripStatistics.merge(tracks.get(i).getTripStatistics());
+      }
+    }
+    return tripStatistics;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/AutoCompleteTextPreference.java

@@ -0,0 +1,65 @@
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.preference.EditTextPreference;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewParent;
+import android.widget.ArrayAdapter;
+import android.widget.AutoCompleteTextView;
+
+/**
+ * The {@link AutoCompleteTextPreference} class is a preference that allows for
+ * string input using auto complete . It is a subclass of
+ * {@link EditTextPreference} and shows the {@link AutoCompleteTextView} in a
+ * dialog.
+ * <p>
+ * This preference will store a string into the SharedPreferences.
+ * 
+ * @author Rimas Trumpa (with Matt Levan)
+ */
+public class AutoCompleteTextPreference extends EditTextPreference {
+
+  private AutoCompleteTextView mEditText = null;
+
+  public AutoCompleteTextPreference(Context context, AttributeSet attrs) {
+    super(context, attrs);
+    mEditText = new AutoCompleteTextView(context, attrs);
+    mEditText.setThreshold(0);
+
+    // Gets autocomplete values for 'Default Activity' preference
+    if (PreferencesUtils.getKey(context, R.string.default_activity_key).equals(getKey())) {
+      ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
+          context, R.array.activity_types, android.R.layout.simple_dropdown_item_1line);
+      mEditText.setAdapter(adapter);
+    }
+  }
+
+  @Override
+  protected void onBindDialogView(View view) {
+    AutoCompleteTextView editText = mEditText;
+    editText.setText(getText());
+
+    ViewParent oldParent = editText.getParent();
+    if (oldParent != view) {
+      if (oldParent != null) {
+        ((ViewGroup) oldParent).removeView(editText);
+      }
+      onAddEditTextToDialogView(view, editText);
+    }
+  }
+
+  @Override
+  protected void onDialogClosed(boolean positiveResult) {
+    if (positiveResult) {
+      String value = mEditText.getText().toString();
+      if (callChangeListener(value)) {
+        setText(value);
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/BootReceiver.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2010 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks;
+
+import static android.content.Intent.ACTION_BOOT_COMPLETED;
+
+import com.google.android.apps.mytracks.services.TrackRecordingService;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+/**
+ * This class handles MyTracks related broadcast messages.
+ *
+ * One example of a broadcast message that this class is interested in,
+ * is notification about the phone boot.  We may want to resume a previously
+ * started tracking session if the phone crashed (hopefully not), or the user
+ * decided to swap the battery or some external event occurred which forced
+ * a phone reboot.
+ *
+ * This class simply delegates to {@link TrackRecordingService} to make a
+ * decision whether to continue with the previous track (if any), or just
+ * abandon it.
+ * 
+ * @author Bartlomiej Niechwiej
+ */
+public class BootReceiver extends BroadcastReceiver {
+
+  private static final String TAG = BootReceiver.class.getSimpleName();
+  
+  @Override
+  public void onReceive(Context context, Intent intent) {
+    Log.d(TAG, "BootReceiver.onReceive: " + intent.getAction());
+    if (ACTION_BOOT_COMPLETED.equals(intent.getAction())) {
+      Intent startIntent = new Intent(context, TrackRecordingService.class)
+          .putExtra(TrackRecordingService.RESUME_TRACK_EXTRA_NAME, true);
+      context.startService(startIntent);     
+    } else {
+      Log.w(TAG, "BootReceiver: unsupported action");
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/ChartValueSeries.java

@@ -0,0 +1,264 @@
+/*
+ * Copyright 2009 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.stats.ExtremityMonitor;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Paint.Align;
+import android.graphics.Paint.Style;
+import android.graphics.Path;
+
+import java.text.NumberFormat;
+
+/**
+ * This class encapsulates the meta data for one series of the chart values.
+ * 
+ * @author Sandor Dornbush
+ */
+public class ChartValueSeries {
+
+  private static final float STROKE_WIDTH = 2f;
+
+  private final int absoluteMin;
+  private final int absoluteMax;
+  private final int[] intervalValues;
+  private final int metricTitleId;
+  private final int imperialTitleId;
+  private final Paint fillPaint;
+  private final Paint strokePaint;
+  private final Paint titlePaint;
+  private final Paint markerPaint;
+  private final ExtremityMonitor extremityMonitor;
+  private final NumberFormat numberFormat;
+  private final Path path;
+  
+  private int interval = 1;
+  private int minMarkerValue = 0;
+  private int maxMarkerValue = interval * ChartView.Y_AXIS_INTERVALS;
+  private boolean enabled = true;
+
+  /**
+   * Constructor.
+   * 
+   * @param context the context
+   * @param absoluteMin the absolute min value
+   * @param absoluteMax the absolute max value
+   * @param intervalValues the list of interval values
+   * @param metricTitleId the metric title id
+   * @param imperialTitleId the imperial title id
+   * @param fillColor the fill color
+   * @param strokeColor the stroke color
+   */
+  public ChartValueSeries(Context context, int absoluteMin, int absoluteMax, int[] intervalValues,
+      int metricTitleId, int imperialTitleId, int fillColor, int strokeColor) {
+    this.absoluteMin = absoluteMin;
+    this.absoluteMax = absoluteMax;
+    this.intervalValues = intervalValues;
+    this.metricTitleId = metricTitleId;
+    this.imperialTitleId = imperialTitleId;
+
+    fillPaint = new Paint();
+    fillPaint.setStyle(Style.FILL);
+    fillPaint.setColor(context.getResources().getColor(fillColor));
+    fillPaint.setAntiAlias(true);
+
+    strokePaint = new Paint();
+    strokePaint.setStyle(Style.STROKE);
+    strokePaint.setColor(context.getResources().getColor(strokeColor));
+    strokePaint.setAntiAlias(true);
+
+    float scale = context.getResources().getDisplayMetrics().density;
+    
+    // Make copies of the stroke paint with the default thickness
+    titlePaint = new Paint(strokePaint);
+    titlePaint.setTextSize(ChartView.MEDIUM_TEXT_SIZE * scale);
+    titlePaint.setTextAlign(Align.CENTER);
+
+    markerPaint = new Paint(strokePaint);
+    markerPaint.setTextSize(ChartView.SMALL_TEXT_SIZE * scale);
+    markerPaint.setTextAlign(Align.RIGHT);
+
+    // Set stroke paint thickness
+    strokePaint.setStrokeWidth(STROKE_WIDTH);
+
+    extremityMonitor = new ExtremityMonitor();
+    numberFormat = NumberFormat.getIntegerInstance();
+    path = new Path();
+  }
+
+  /**
+   * Sets the series enabled value.
+   * 
+   * @param enabled true to enable
+   */
+  public void setEnabled(boolean enabled) {
+    this.enabled = enabled;
+  }
+
+  /**
+   * Returns true if the series is enabled.
+   */
+  public boolean isEnabled() {
+    return enabled;
+  }
+
+  /**
+   * Returns true if the series has data.
+   */
+  public boolean hasData() {
+    return extremityMonitor.hasData();
+  }
+
+  /**
+   * Updates the series with a new value.
+   * 
+   * @param value the new value
+   */
+  public void update(double value) {
+    extremityMonitor.update(value);
+  }
+
+  /**
+   * Gets the path.
+   */
+  public Path getPath() {
+    return path;
+  }
+
+  /**
+   * Draws the path on canvas.
+   * 
+   * @param canvas the canvas
+   */
+  public void drawPath(Canvas canvas) {
+    canvas.drawPath(path, fillPaint);
+    canvas.drawPath(path, strokePaint);
+  }
+
+  /**
+   * Updates the y axis dimension.
+   */
+  public void updateDimension() {
+    double min = hasData() ? extremityMonitor.getMin() : 0.0;
+    double max = hasData() ? extremityMonitor.getMax() : 1.0;
+    min = Math.max(min, absoluteMin);
+    max = Math.min(max, absoluteMax);
+    interval = getInterval(min, max);
+    minMarkerValue = getMinMarkerValue(min, interval);
+    maxMarkerValue = minMarkerValue + interval * ChartView.Y_AXIS_INTERVALS;
+  }
+
+  /**
+   * Gets the interval value.
+   * 
+   * @param min the min value
+   * @param max the max value
+   */
+  private int getInterval(double min, double max) {
+    for (int i = 0; i < intervalValues.length; i++) {
+      int intervalValue = intervalValues[i];
+      int minValue = getMinMarkerValue(min, intervalValue);
+      double targetInterval = (max - minValue) / ChartView.Y_AXIS_INTERVALS;
+      if (intervalValue >= targetInterval) {
+        return intervalValue;
+      }
+    }
+    // Return the largest interval
+    return intervalValues[intervalValues.length - 1];
+  }
+
+  /**
+   * Gets the min marker value.
+   * 
+   * @param min the min series value
+   * @param intervalValue the interval value
+   */
+  private int getMinMarkerValue(double min, int intervalValue) {
+    // Round down to the nearest intervalValue
+    int value = ((int) (min / intervalValue)) * intervalValue;
+    // value > min if min is negative
+    if (value > min) {
+      return value - intervalValue;
+    }
+    return value;
+  }
+
+  /**
+   * Gets the interval value.
+   */
+  public int getInterval() {
+    return interval;
+  }
+
+  /**
+   * Gets the min marker value.
+   */
+  public int getMinMarkerValue() {
+    return minMarkerValue;
+  }
+
+  /**
+   * Gets the max marker value.
+   */
+  @VisibleForTesting
+  int getMaxMarkerValue() {
+    return maxMarkerValue;
+  }
+
+  /**
+   * Gets the title id.
+   */
+  public int getTitleId(boolean metricUnits) {
+    return metricUnits ? metricTitleId : imperialTitleId;
+  }
+
+  /**
+   * Gets the title paint.
+   */
+  public Paint getTitlePaint() {
+    return titlePaint;
+  }
+
+  /**
+   * Gets the marker paint.
+   */
+  public Paint getMarkerPaint() {
+    return markerPaint;
+  }
+
+  /**
+   * Gets the largest marker.
+   */
+  public String getLargestMarker() {
+    String minMarker = numberFormat.format(getMinMarkerValue());
+    String maxMarker = numberFormat.format(getMaxMarkerValue());
+    return minMarker.length() >= maxMarker.length() ? minMarker : maxMarker;
+  }
+
+  /**
+   * Formats a marker value.
+   * 
+   * @param value the value
+   */
+  public String formatMarker(int value) {
+    return numberFormat.format(value);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/ColoredPath.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks;
+
+import android.graphics.Paint;
+import android.graphics.Path;
+
+/**
+ * Represents a colored {@code Path} to save its relative color for drawing.
+ * @author Vangelis S.
+ */
+public class ColoredPath {
+  private final Path path;
+  private final Paint pathPaint;
+
+  /**
+   * Constructor for a ColoredPath by color.
+   */
+  public ColoredPath(int color) {
+      path = new Path();
+      pathPaint = new Paint();
+      pathPaint.setColor(color);
+      pathPaint.setStrokeWidth(3);
+      pathPaint.setStyle(Paint.Style.STROKE);
+      pathPaint.setAntiAlias(true);
+  }
+  
+  /**
+   * Constructor for a ColoredPath by Paint.
+   */
+  public ColoredPath(Paint paint) {
+      path = new Path();
+      pathPaint = paint;
+  }
+  
+  /**
+   * @return the path
+   */
+  public Path getPath() {
+    return path;
+  }
+  
+  /**
+   * @return the pathPaint
+   */
+  public Paint getPathPaint() {
+    return pathPaint;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/Constants.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+/**
+ * Common constants.
+ * 
+ * @author Leif Hendrik Wilden
+ */
+public class Constants {
+
+  private Constants() {}
+
+  /**
+   * The google account type.
+   */
+  public static final String ACCOUNT_TYPE = "com.google";
+
+  /**
+   * Maximum number of track points that will be loaded at one time. With
+   * recording frequency of 2 seconds, 20000 corresponds to 11.1 hours.
+   */
+  public static final int MAX_LOADED_TRACK_POINTS = 20000;
+
+  /**
+   * Maximum number of waypoints that will be loaded at one time.
+   */
+  public static final int MAX_LOADED_WAYPOINTS_POINTS = 10000;
+
+  /**
+   * The settings file name.
+   */
+  public static final String SETTINGS_NAME = "SettingsActivity";
+}

MyTracks/src/com/google/android/apps/mytracks/ContextualActionModeCallback.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import android.view.Menu;
+
+/**
+ * Callback when items in the contextual action mode are selected.
+ * 
+ * @author Jimmy Shih
+ */
+public interface ContextualActionModeCallback {
+
+  /**
+   * Invoked to prepare the menu for the selected items.
+   * 
+   * @param menu the menu
+   * @param positions the selected items' positions
+   * @param ids the selected items' ids, if available
+   * @param showSelectAll true to show select all
+   */
+  public void onPrepare(Menu menu, int[] positions, long[] ids, boolean showSelectAll);
+
+  /**
+   * Invoked when items are selected.
+   * 
+   * @param itemId the context menu item id
+   * @param positions the selected items' positions
+   * @param ids the selected items' ids, if available
+   */
+  public boolean onClick(int itemId, int[] positions, long[] ids);
+}

MyTracks/src/com/google/android/apps/mytracks/DeleteActivity.java

@@ -0,0 +1,97 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.util.DialogUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Bundle;
+
+/**
+ * An activity for delete tracks.
+ * 
+ * @author Jimmy Shih
+ */
+public class DeleteActivity extends Activity {
+
+  public static final String EXTRA_TRACK_IDS = "track_ids";
+
+  private static final int DIALOG_PROGRESS_ID = 0;
+
+  private DeleteAsyncTask deleteAsyncTask;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    
+    setResult(RESULT_CANCELED);
+    
+    Intent intent = getIntent();
+    long[] trackIds = intent.getLongArrayExtra(EXTRA_TRACK_IDS);
+
+    Object retained = getLastNonConfigurationInstance();
+    if (retained instanceof DeleteAsyncTask) {
+      deleteAsyncTask = (DeleteAsyncTask) retained;
+      deleteAsyncTask.setActivity(this);
+    } else {
+      deleteAsyncTask = new DeleteAsyncTask(this, trackIds);
+      deleteAsyncTask.execute();
+    }
+  }
+
+  @Override
+  public Object onRetainNonConfigurationInstance() {
+    deleteAsyncTask.setActivity(null);
+    return deleteAsyncTask;
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    if (id != DIALOG_PROGRESS_ID) {
+      return null;
+    }
+    return DialogUtils.createSpinnerProgressDialog(
+        this, R.string.track_delete_progress_message, new DialogInterface.OnCancelListener() {
+            @Override
+          public void onCancel(DialogInterface dialog) {
+            deleteAsyncTask.cancel(true);
+            dialog.dismiss();
+            finish();
+          }
+        });
+  }
+
+  /**
+   * Invokes when the associated AsyncTask completes.
+   */
+  public void onAsyncTaskCompleted() {
+    removeDialog(DIALOG_PROGRESS_ID);
+    setResult(RESULT_OK);
+    finish();
+  }
+
+  /**
+   * Shows the progress dialog.
+   */
+  public void showProgressDialog() {
+    showDialog(DIALOG_PROGRESS_ID);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/DeleteAsyncTask.java

@@ -0,0 +1,113 @@
+package com.google.android.apps.mytracks;
+
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.io.sync.SyncUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.os.AsyncTask;
+
+/**
+ * Async Task to delete tracks.
+ * 
+ * @author Jimmy Shih
+ */
+public class DeleteAsyncTask extends AsyncTask<Void, Integer, Boolean> {
+
+  private DeleteActivity deleteActivity;
+  private final long[] trackIds;
+  private final Context context;
+
+  // true if the AsyncTask has completed
+  private boolean completed;
+
+  /**
+   * Creates an AsyncTask.
+   * 
+   * @param deleteActivity the activity currently associated with this task
+   * @param trackIds the track ids to delete. To delete all, set to size 1 with
+   *          trackIds[0] == -1L
+   */
+  public DeleteAsyncTask(DeleteActivity deleteActivity, long[] trackIds) {
+    this.deleteActivity = deleteActivity;
+    this.trackIds = trackIds;
+    context = deleteActivity.getApplicationContext();
+    completed = false;
+  }
+
+  /**
+   * Sets the current activity associated with this AyncTask.
+   * 
+   * @param deleteActivity the current activity, can be null
+   */
+  public void setActivity(DeleteActivity deleteActivity) {
+    this.deleteActivity = deleteActivity;
+    if (completed && deleteActivity != null) {
+      deleteActivity.onAsyncTaskCompleted();
+    }
+  }
+
+  @Override
+  protected void onPreExecute() {
+    if (deleteActivity != null) {
+      deleteActivity.showProgressDialog();
+    }
+  }
+
+  @Override
+  protected Boolean doInBackground(Void... params) {
+    MyTracksProviderUtils myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
+
+    if (trackIds.length == 1 && trackIds[0] == -1L) {
+      try {
+        while (SyncUtils.isSyncActive(context)) {
+          if (isCancelled()) {
+            return false;
+          }
+          Thread.sleep(1000);
+        }
+      } catch (InterruptedException e) {
+        return false;
+      }
+      PreferencesUtils.setBoolean(
+          context, R.string.drive_sync_key, PreferencesUtils.DRIVE_SYNC_DEFAULT);
+      SyncUtils.disableSync(context);
+      SyncUtils.clearSyncState(context);
+      myTracksProviderUtils.deleteAllTracks();
+      return true;
+    } else {
+      for (long id : trackIds) {
+        if (isCancelled()) {
+          return false;
+        }
+        myTracksProviderUtils.deleteTrack(id);
+      }
+      return true;
+    }
+  }
+
+  @Override
+  protected void onPostExecute(Boolean result) {
+    completed = true;
+    if (deleteActivity != null) {
+      deleteActivity.onAsyncTaskCompleted();
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/HelpActivity.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright 2008 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.fragments.AboutDialogFragment;
+import com.google.android.apps.mytracks.fragments.AboutDialogFragment.AboutCaller;
+import com.google.android.apps.mytracks.fragments.EulaDialogFragment;
+import com.google.android.apps.mytracks.fragments.EulaDialogFragment.EulaCaller;
+import com.google.android.maps.mytracks.R;
+
+import android.os.Bundle;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+import java.util.Locale;
+
+/**
+ * An activity that displays the help page.
+ * 
+ * @author Sandor Dornbush
+ */
+public class HelpActivity extends AbstractMyTracksActivity implements AboutCaller, EulaCaller {
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    WebView webView = (WebView) findViewById(R.id.help_webview);
+    String language = Locale.getDefault().getLanguage();
+    if (language == null || language.equals("")) {
+      language = "en";
+    }
+    webView.loadUrl(getString(R.string.my_tracks_help_url, language));
+    webView.getSettings().setJavaScriptEnabled(true);
+    webView.setWebViewClient(new WebViewClient());
+
+    findViewById(R.id.help_ok).setOnClickListener(new OnClickListener() {
+      public void onClick(View v) {
+        finish();
+      }
+    });
+    findViewById(R.id.help_about).setOnClickListener(new OnClickListener() {
+      public void onClick(View v) {
+        new AboutDialogFragment().show(
+            getSupportFragmentManager(), AboutDialogFragment.ABOUT_DIALOG_TAG);
+      }
+    });
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.help;
+  }
+
+  @Override
+  public void onAboutLicense() {
+    EulaDialogFragment.newInstance(true)
+        .show(getSupportFragmentManager(), EulaDialogFragment.EULA_DIALOG_TAG);
+  }
+
+  @Override
+  public void onEulaDone() {
+    // Do nothing
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/IntegerListPreference.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright 2010 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import android.content.Context;
+import android.preference.ListPreference;
+import android.util.AttributeSet;
+
+/**
+ * A list preference which persists its values as integers instead of strings.
+ * Code reading the values should use
+ * {@link android.content.SharedPreferences#getInt}.
+ * When using XML-declared arrays for entry values, the arrays should be regular
+ * string arrays containing valid integer values.
+ *
+ * @author Rodrigo Damazio
+ */
+public class IntegerListPreference extends ListPreference {
+
+  public IntegerListPreference(Context context) {
+    super(context);
+
+    verifyEntryValues(null);
+  }
+
+  public IntegerListPreference(Context context, AttributeSet attrs) {
+    super(context, attrs);
+
+    verifyEntryValues(null);
+  }
+
+  @Override
+  public void setEntryValues(CharSequence[] entryValues) {
+    CharSequence[] oldValues = getEntryValues();
+    super.setEntryValues(entryValues);
+    verifyEntryValues(oldValues);
+  }
+
+  @Override
+  public void setEntryValues(int entryValuesResId) {
+    CharSequence[] oldValues = getEntryValues();
+    super.setEntryValues(entryValuesResId);
+    verifyEntryValues(oldValues);
+  }
+
+  @Override
+  protected String getPersistedString(String defaultReturnValue) {
+    // During initial load, there's no known default value
+    int defaultIntegerValue = Integer.MIN_VALUE;
+    if (defaultReturnValue != null) {
+      defaultIntegerValue = Integer.parseInt(defaultReturnValue);
+    }
+
+    // When the list preference asks us to read a string, instead read an
+    // integer.
+    int value = getPersistedInt(defaultIntegerValue);
+    return Integer.toString(value);
+  }
+
+  @Override
+  protected boolean persistString(String value) {
+    // When asked to save a string, instead save an integer
+    return persistInt(Integer.parseInt(value));
+  }
+
+  private void verifyEntryValues(CharSequence[] oldValues) {
+    CharSequence[] entryValues = getEntryValues();
+    if (entryValues == null) {
+      return;
+    }
+
+    for (CharSequence entryValue : entryValues) {
+      try {
+        Integer.parseInt(entryValue.toString());
+      } catch (NumberFormatException nfe) {
+        super.setEntryValues(oldValues);
+        throw nfe;
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/MapOverlay.java

@@ -0,0 +1,304 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import static com.google.android.apps.mytracks.content.TrackDataHub.TARGET_DISPLAYED_TRACK_POINTS;
+
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.android.apps.mytracks.maps.TrackPath;
+import com.google.android.apps.mytracks.maps.TrackPathFactory;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.UnitConversions;
+import com.google.android.gms.maps.GoogleMap;
+import com.google.android.gms.maps.model.BitmapDescriptorFactory;
+import com.google.android.gms.maps.model.LatLng;
+import com.google.android.gms.maps.model.MarkerOptions;
+import com.google.android.gms.maps.model.Polyline;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.location.Location;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+
+/**
+ * A map overlay that displays my location arrow, error circle, and track info.
+ * 
+ * @author Leif Hendrik Wilden
+ */
+public class MapOverlay {
+
+  public static final float WAYPOINT_X_ANCHOR = 13f / 48f;
+
+  private static final String TAG = MapOverlay.class.getSimpleName();
+  
+  private static final float WAYPOINT_Y_ANCHOR = 43f / 48f;
+  private static final float MARKER_X_ANCHOR = 50f / 96f;
+  private static final float MARKER_Y_ANCHOR = 90f / 96f;
+  private static final int INITIAL_LOCATIONS_SIZE = 1024;
+
+  private final OnSharedPreferenceChangeListener
+      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
+          @Override
+        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+          if (key == null
+              || key.equals(PreferencesUtils.getKey(context, R.string.track_color_mode_key))) {
+            trackColorMode = PreferencesUtils.getString(
+                context, R.string.track_color_mode_key, PreferencesUtils.TRACK_COLOR_MODE_DEFAULT);
+            trackPath = TrackPathFactory.getTrackPath(context, trackColorMode);
+          }
+        }
+      };
+
+  private final Context context;
+  private final List<CachedLocation> locations;
+  private final BlockingQueue<CachedLocation> pendingLocations;
+  private final List<Waypoint> waypoints;
+
+  private String trackColorMode = PreferencesUtils.TRACK_COLOR_MODE_DEFAULT;
+
+  private boolean showEndMarker = true;
+  private TrackPath trackPath;
+
+  /**
+   * A pre-processed {@link Location} to speed up drawing.
+   * 
+   * @author Jimmy Shih
+   */
+  public static class CachedLocation {
+
+    private final boolean valid;
+    private final LatLng latLng;
+    private final int speed;
+
+    /**
+     * Constructor for an invalid cached location.
+     */
+    public CachedLocation() {
+      this.valid = false;
+      this.latLng = null;
+      this.speed = -1;
+    }
+
+    /**
+     * Constructor for a potentially valid cached location.
+     */
+    public CachedLocation(Location location) {
+      this.valid = LocationUtils.isValidLocation(location);
+      this.latLng = valid ? new LatLng(location.getLatitude(), location.getLongitude()) : null;
+      this.speed = location.hasSpeed() ? (int) Math.floor(
+          location.getSpeed() * UnitConversions.MS_TO_KMH)
+          : -1;
+    }
+
+    /**
+     * Returns true if the location is valid.
+     */
+    public boolean isValid() {
+      return valid;
+    }
+
+    /**
+     * Gets the speed in kilometers per hour.
+     */
+    public int getSpeed() {
+      return speed;
+    }
+
+    /**
+     * Gets the LatLng.
+     */
+    public LatLng getLatLng() {
+      return latLng;
+    }
+  };
+
+  public MapOverlay(Context context) {
+    this.context = context;
+    this.waypoints = new ArrayList<Waypoint>();
+    this.locations = new ArrayList<CachedLocation>(INITIAL_LOCATIONS_SIZE);
+
+    // Set the number of points to be 2x the TARGET_DISPLAYED_TRACK_POINTS
+    this.pendingLocations = new ArrayBlockingQueue<CachedLocation>(
+        2 * TARGET_DISPLAYED_TRACK_POINTS, true);
+
+    context.getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE)
+        .registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+    sharedPreferenceChangeListener.onSharedPreferenceChanged(null, null);
+  }
+
+  /**
+   * Add a location.
+   * 
+   * @param location the location
+   */
+  public void addLocation(Location location) {
+    // Queue up in the pendingLocations until it's merged with locations
+    if (!pendingLocations.offer(new CachedLocation(location))) {
+      Log.e(TAG, "Unable to add to pendingLocations.");
+    }
+  }
+
+  /**
+   * Adds a segment split.
+   */
+  public void addSegmentSplit() {
+    // Queue up in the pendingLocations until it's merged with locations
+    if (!pendingLocations.offer(new CachedLocation())) {
+      Log.e(TAG, "Unable to add to pendingLocations.");
+    }
+  }
+
+  /**
+   * Clears the locations.
+   */
+  public void clearPoints() {
+    synchronized (locations) {
+      locations.clear();
+      pendingLocations.clear();
+    }
+  }
+
+  /**
+   * Adds a waypoint.
+   * 
+   * @param waypoint the waypoint
+   */
+  public void addWaypoint(Waypoint waypoint) {
+    synchronized (waypoints) {
+      waypoints.add(waypoint);
+    }
+  }
+
+  /**
+   * Clears the waypoints.
+   */
+  public void clearWaypoints() {
+    synchronized (waypoints) {
+      waypoints.clear();
+    }
+  }
+
+  /**
+   * Sets whether to show the end marker.
+   * 
+   * @param show true to show the end marker
+   */
+  public void setShowEndMarker(boolean show) {
+    showEndMarker = show;
+  }
+
+  /**
+   * Updates the track, start and end markers, and waypoints.
+   * 
+   * @param googleMap the google map
+   * @param paths the paths
+   * @param tripStatistics the trip statistics
+   * @param reload true to reload all points
+   * @return true if has the start marker
+   */
+  public boolean update(GoogleMap googleMap, ArrayList<Polyline> paths,
+      TripStatistics tripStatistics, boolean reload) {
+    synchronized (locations) {
+      boolean hasStartMarker = false;
+      // Merge pendingLocations with locations
+      int newLocations = pendingLocations.drainTo(locations);
+      // Call updateState first because we want to update its state each time
+      // (for dynamic coloring)
+      if (trackPath.updateState(tripStatistics) || reload) {
+        googleMap.clear();
+        paths.clear();
+        trackPath.updatePath(googleMap, paths, 0, locations);
+        hasStartMarker = updateStartAndEndMarkers(googleMap);
+        updateWaypoints(googleMap);
+      } else {
+        if (newLocations != 0) {
+          int numLocations = locations.size();
+          trackPath.updatePath(googleMap, paths, numLocations - newLocations, locations);
+        }
+      }
+      return hasStartMarker;
+    }
+  }
+
+  /**
+   * Updates the start and end markers.
+   * 
+   * @param googleMap the google map
+   * @return true if has the start marker
+   */
+  private boolean updateStartAndEndMarkers(GoogleMap googleMap) {
+    // Add the end marker
+    if (showEndMarker) {
+      for (int i = locations.size() - 1; i >= 0; i--) {
+        CachedLocation cachedLocation = locations.get(i);
+        if (cachedLocation.valid) {
+          MarkerOptions markerOptions = new MarkerOptions().position(cachedLocation.getLatLng())
+              .anchor(MARKER_X_ANCHOR, MARKER_Y_ANCHOR).draggable(false).visible(true)
+              .icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_marker_red_paddle));
+          googleMap.addMarker(markerOptions);
+          break;
+        }
+      }
+    }
+
+    // Add the start marker
+    boolean hasStartMarker = false;
+    for (int i = 0; i < locations.size(); i++) {
+      CachedLocation cachedLocation = locations.get(i);
+      if (cachedLocation.valid) {
+        MarkerOptions markerOptions = new MarkerOptions().position(cachedLocation.getLatLng())
+            .anchor(MARKER_X_ANCHOR, MARKER_Y_ANCHOR).draggable(false).visible(true)
+            .icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_marker_green_paddle));
+        googleMap.addMarker(markerOptions);
+        hasStartMarker = true;
+        break;
+      }
+    }
+    return hasStartMarker;
+  }
+
+  /**
+   * Updates the waypoints.
+   * 
+   * @param googleMap the google map.
+   */
+  private void updateWaypoints(GoogleMap googleMap) {
+    synchronized (waypoints) {
+      for (Waypoint waypoint : waypoints) {
+        Location location = waypoint.getLocation();
+        LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
+        int drawableId = waypoint.getType() == WaypointType.STATISTICS 
+            ? R.drawable.ic_marker_yellow_pushpin : R.drawable.ic_marker_blue_pushpin;
+        MarkerOptions markerOptions = new MarkerOptions().position(latLng)
+            .anchor(WAYPOINT_X_ANCHOR, WAYPOINT_Y_ANCHOR).draggable(false).visible(true)
+            .icon(BitmapDescriptorFactory.fromResource(drawableId))
+            .title(String.valueOf(waypoint.getId()));
+        googleMap.addMarker(markerOptions);
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/MarkerDetailActivity.java

@@ -0,0 +1,141 @@
+/*
+ * Copyright 2009 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.fragments.DeleteMarkerDialogFragment.DeleteMarkerCaller;
+import com.google.android.apps.mytracks.fragments.MarkerDetailFragment;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Intent;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentStatePagerAdapter;
+import android.support.v4.view.ViewPager;
+import android.util.Log;
+
+import java.util.ArrayList;
+
+/**
+ * An activity to display marker detail info.
+ * 
+ * @author Leif Hendrik Wilden
+ */
+public class MarkerDetailActivity extends AbstractMyTracksActivity implements DeleteMarkerCaller {
+
+  public static final String EXTRA_MARKER_ID = "marker_id";
+  private static final String TAG = MarkerDetailActivity.class.getSimpleName();
+
+  private Waypoint waypoint;
+  private ArrayList<Long> markerIds;
+
+  @Override
+  protected void onCreate(Bundle bundle) {
+    super.onCreate(bundle);
+
+    long markerId = getIntent().getLongExtra(EXTRA_MARKER_ID, -1L);
+    if (markerId == -1L) {
+      Log.d(TAG, "invalid marker id");
+      finish();
+      return;
+    }
+
+    MyTracksProviderUtils myTracksProviderUtils = MyTracksProviderUtils.Factory.get(this);
+    waypoint = myTracksProviderUtils.getWaypoint(markerId);
+
+    markerIds = new ArrayList<Long>();
+    int markerIndex = -1;
+    Cursor cursor = null;
+
+    try {
+      cursor = myTracksProviderUtils.getWaypointCursor(waypoint.getTrackId(), -1L, -1);
+      if (cursor != null && cursor.moveToFirst()) {
+        /*
+         * Yes, this will skip the first waypoint and that is intentional as the
+         * first waypoint holds the stats for the track.
+         */
+        while (cursor.moveToNext()) {
+          Waypoint current = myTracksProviderUtils.createWaypoint(cursor);
+
+          markerIds.add(current.getId());
+          if (current.getId() == markerId) {
+            markerIndex = markerIds.size() - 1;
+          }
+        }
+      }
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+
+    ViewPager viewPager = (ViewPager) findViewById(R.id.maker_detail_activity_view_pager);
+    viewPager.setAdapter(new MarkerDetailPagerAdapter(getSupportFragmentManager()));
+    if (markerIndex != -1) {
+      viewPager.setCurrentItem(markerIndex);
+    }
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.marker_detail_activity;
+  }
+
+  @Override
+  protected void onHomeSelected() {
+    Intent intent = IntentUtils.newIntent(this, MarkerListActivity.class)
+        .putExtra(MarkerListActivity.EXTRA_TRACK_ID, waypoint.getTrackId());
+    startActivity(intent);
+    finish();
+  }
+
+  @Override
+  public void onDeleteMarkerDone() {
+    runOnUiThread(new Runnable() {
+        @Override
+      public void run() {
+        finish();
+      }
+    });
+  }
+
+  /**
+   * Marker detail pager adapter.
+   * 
+   * @author Jimmy Shih
+   */
+  private class MarkerDetailPagerAdapter extends FragmentStatePagerAdapter {
+
+    public MarkerDetailPagerAdapter(FragmentManager fragmentManager) {
+      super(fragmentManager);
+    }
+
+    @Override
+    public Fragment getItem(int position) {
+      return MarkerDetailFragment.newInstance(markerIds.get(position));
+    }
+
+    @Override
+    public int getCount() {
+      return markerIds.size();
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/MarkerEditActivity.java

@@ -0,0 +1,192 @@
+/*
+ * Copyright 2012 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.android.apps.mytracks.content.WaypointCreationRequest;
+import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
+import com.google.android.apps.mytracks.util.TrackRecordingServiceConnectionUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.ArrayAdapter;
+import android.widget.AutoCompleteTextView;
+import android.widget.Button;
+import android.widget.EditText;
+
+/**
+ * An activity to add/edit a marker.
+ *
+ * @author Jimmy Shih
+ */
+public class MarkerEditActivity extends AbstractMyTracksActivity {
+
+  private static final String TAG = MarkerEditActivity.class.getSimpleName();
+
+  public static final String EXTRA_TRACK_ID = "track_id";
+  public static final String EXTRA_MARKER_ID = "marker_id";
+
+  private long trackId;
+  private long markerId;
+  private TrackRecordingServiceConnection trackRecordingServiceConnection;
+  private Waypoint waypoint;
+
+  // UI elements
+  private View statisticsSection;
+  private EditText statisticsName;
+  private View waypointSection;
+  private EditText waypointName;
+  private AutoCompleteTextView waypointMarkerType;
+  private EditText waypointDescription;
+  private Button done;
+
+  @Override
+  protected void onCreate(Bundle bundle) {
+    super.onCreate(bundle);
+
+    trackId = getIntent().getLongExtra(EXTRA_TRACK_ID, -1L);
+    markerId = getIntent().getLongExtra(EXTRA_MARKER_ID, -1L);
+    trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, null);
+        
+    // Setup UI elements
+    statisticsSection = findViewById(R.id.marker_edit_statistics_section);
+    statisticsName = (EditText) findViewById(R.id.marker_edit_statistics_name);
+    
+    waypointSection = findViewById(R.id.marker_edit_waypoint_section);
+    waypointName = (EditText) findViewById(R.id.marker_edit_waypoint_name);   
+    waypointMarkerType = (AutoCompleteTextView) findViewById(R.id.marker_edit_waypoint_marker_type);
+    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
+        this, R.array.waypoint_types, android.R.layout.simple_dropdown_item_1line);
+    waypointMarkerType.setAdapter(adapter);
+    waypointDescription = (EditText) findViewById(R.id.marker_edit_waypoint_description);
+
+    Button cancel = (Button) findViewById(R.id.marker_edit_cancel);
+    cancel.setOnClickListener(new OnClickListener() {
+      @Override
+      public void onClick(View v) {
+        finish();
+      }
+    });
+    done = (Button) findViewById(R.id.marker_edit_done);
+    updateUiByMarkerId();
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+    TrackRecordingServiceConnectionUtils.startConnection(this, trackRecordingServiceConnection);
+  }
+  
+  @Override
+  protected void onStop() {
+    super.onStop();
+    trackRecordingServiceConnection.unbind();
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.marker_edit;
+  }
+
+  /**
+   * Updates the UI based on the marker id.
+   */
+  private void updateUiByMarkerId() {
+    final boolean newMarker = markerId == -1L;
+  
+    setTitle(newMarker ? R.string.menu_insert_marker : R.string.menu_edit);
+    done.setText(newMarker ? R.string.generic_add : R.string.generic_save);
+    done.setOnClickListener(new View.OnClickListener() {
+      @Override
+      public void onClick(View v) {
+        if (newMarker) {
+          addMarker();
+        } else {
+          saveMarker();
+        }
+        finish();
+      }
+    });
+  
+    if (newMarker) {
+      statisticsSection.setVisibility(View.GONE);
+      waypointSection.setVisibility(View.VISIBLE);
+      int nextWaypointNumber = trackId == -1L ? -1
+          : MyTracksProviderUtils.Factory.get(this).getNextWaypointNumber(trackId, WaypointType.WAYPOINT);
+      if (nextWaypointNumber == -1) {
+        nextWaypointNumber = 0;
+      }
+      waypointName.setText(getString(R.string.marker_name_format, nextWaypointNumber));
+      waypointName.selectAll();
+      waypointMarkerType.setText("");
+      waypointDescription.setText("");
+    } else {
+      waypoint = MyTracksProviderUtils.Factory.get(this).getWaypoint(markerId);
+      if (waypoint == null) {
+        Log.d(TAG, "waypoint is null");
+        finish();
+        return;
+      }
+      boolean statistics = waypoint.getType() == WaypointType.STATISTICS;
+      statisticsSection.setVisibility(statistics ? View.VISIBLE : View.GONE);
+      waypointSection.setVisibility(statistics ? View.GONE : View.VISIBLE);
+      if (statistics) {
+        statisticsName.setText(waypoint.getName());
+      } else {
+        waypointName.setText(waypoint.getName());
+        waypointMarkerType.setText(waypoint.getCategory());
+        waypointDescription.setText(waypoint.getDescription());
+      }  
+    }
+  }
+
+  /**
+   * Adds a marker.
+   */
+  private void addMarker() {
+    WaypointCreationRequest waypointCreationRequest = new WaypointCreationRequest(
+        WaypointType.WAYPOINT,
+        false,
+        waypointName.getText().toString(),
+        waypointMarkerType.getText().toString(),
+        waypointDescription.getText().toString(),
+        null,
+        null);
+    TrackRecordingServiceConnectionUtils.addMarker(
+        this, trackRecordingServiceConnection, waypointCreationRequest);
+  }
+
+  /**
+   * Saves a marker.
+   */
+  private void saveMarker() {
+    boolean statistics = waypoint.getType() == WaypointType.STATISTICS;
+    if (statistics) {
+      waypoint.setName(statisticsName.getText().toString());
+    } else {
+      waypoint.setName(waypointName.getText().toString());
+      waypoint.setCategory(waypointMarkerType.getText().toString());
+      waypoint.setDescription(waypointDescription.getText().toString());
+    }
+    MyTracksProviderUtils.Factory.get(this).updateWaypoint(waypoint);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/MarkerListActivity.java

@@ -0,0 +1,350 @@
+/*
+ * Copyright 2009 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.android.apps.mytracks.content.WaypointsColumns;
+import com.google.android.apps.mytracks.fragments.DeleteMarkerDialogFragment;
+import com.google.android.apps.mytracks.fragments.DeleteMarkerDialogFragment.DeleteMarkerCaller;
+import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.ListItemUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.support.v4.app.LoaderManager.LoaderCallbacks;
+import android.support.v4.content.CursorLoader;
+import android.support.v4.content.Loader;
+import android.support.v4.widget.ResourceCursorAdapter;
+import android.util.Log;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.AdapterView.AdapterContextMenuInfo;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ListView;
+
+/**
+ * Activity to show a list of markers in a track.
+ * 
+ * @author Leif Hendrik Wilden
+ */
+public class MarkerListActivity extends AbstractMyTracksActivity implements DeleteMarkerCaller {
+
+  public static final String EXTRA_TRACK_ID = "track_id";
+
+  private static final String TAG = MarkerListActivity.class.getSimpleName();
+
+  private static final String[] PROJECTION = new String[] { WaypointsColumns._ID,
+      WaypointsColumns.NAME, WaypointsColumns.DESCRIPTION, WaypointsColumns.CATEGORY,
+      WaypointsColumns.TYPE, WaypointsColumns.TIME, WaypointsColumns.PHOTOURL };
+
+  // Callback when an item is selected in the contextual action mode
+  private ContextualActionModeCallback
+      contextualActionModeCallback = new ContextualActionModeCallback() {
+          @Override
+        public void onPrepare(Menu menu, int[] positions, long[] ids, boolean showSelectAll) {
+          boolean isSingleSelection = ids.length == 1;
+
+          // Always disable
+          menu.findItem(R.id.list_context_menu_play).setVisible(false);
+          // Always disable
+          menu.findItem(R.id.list_context_menu_share).setVisible(false);
+          // One item
+          menu.findItem(R.id.list_context_menu_show_on_map).setVisible(isSingleSelection);
+          // One item, track not sharedWithMe
+          menu.findItem(R.id.list_context_menu_edit)
+              .setVisible(isSingleSelection && !track.isSharedWithMe());
+          // Track not sharedWithMe
+          menu.findItem(R.id.list_context_menu_delete).setVisible(!track.isSharedWithMe());
+          /*
+           * Set select all to the same visibility as delete since delete is the
+           * only action that can be applied to multiple markers.
+           */
+          menu.findItem(R.id.list_context_menu_select_all)
+              .setVisible(showSelectAll && !track.isSharedWithMe());
+        }
+
+          @Override
+        public boolean onClick(int itemId, int[] positions, long[] ids) {
+          return handleContextItem(itemId, ids);
+        }
+      };
+
+  /*
+   * Note that sharedPreferenceChangeListener cannot be an anonymous inner
+   * class. Anonymous inner class will get garbage collected.
+   */
+  private final OnSharedPreferenceChangeListener
+      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
+          @Override
+        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
+          // Note that the key can be null
+          if (key == null || key.equals(
+              PreferencesUtils.getKey(MarkerListActivity.this, R.string.recording_track_id_key))) {
+            recordingTrackId = PreferencesUtils.getLong(
+                MarkerListActivity.this, R.string.recording_track_id_key);
+          }
+          if (key == null || key.equals(PreferencesUtils.getKey(
+              MarkerListActivity.this, R.string.recording_track_paused_key))) {
+            recordingTrackPaused = PreferencesUtils.getBoolean(MarkerListActivity.this,
+                R.string.recording_track_paused_key,
+                PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+          }
+          if (key != null) {
+            runOnUiThread(new Runnable() {
+                @Override
+              public void run() {
+                ApiAdapterFactory.getApiAdapter().invalidMenu(MarkerListActivity.this);
+              }
+            });
+          }
+        }
+      };
+
+  private MyTracksProviderUtils myTracksProviderUtils;
+  private SharedPreferences sharedPreferences;
+
+  private long recordingTrackId = PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+  private boolean recordingTrackPaused = PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT;
+
+  private Track track;
+  private ResourceCursorAdapter resourceCursorAdapter;
+
+  // UI elements
+  private ListView listView;
+  private MenuItem insertMarkerMenuItem;
+  private MenuItem searchMenuItem;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(this);
+    sharedPreferences = getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    long trackId = getIntent().getLongExtra(EXTRA_TRACK_ID, -1L);
+    if (trackId == -1L) {
+      Log.d(TAG, "invalid track id");
+      finish();
+      return;
+    }
+    track = myTracksProviderUtils.getTrack(trackId);
+    
+    setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
+
+    listView = (ListView) findViewById(R.id.marker_list);
+    listView.setEmptyView(findViewById(R.id.marker_list_empty));
+    listView.setOnItemClickListener(new OnItemClickListener() {
+        @Override
+      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        Intent intent = IntentUtils.newIntent(MarkerListActivity.this, MarkerDetailActivity.class)
+            .putExtra(MarkerDetailActivity.EXTRA_MARKER_ID, id);
+        startActivity(intent);
+      }
+    });
+    resourceCursorAdapter = new ResourceCursorAdapter(this, R.layout.list_item, null, 0) {
+        @Override
+      public void bindView(View view, Context context, Cursor cursor) {
+        int typeIndex = cursor.getColumnIndex(WaypointsColumns.TYPE);
+        int nameIndex = cursor.getColumnIndex(WaypointsColumns.NAME);
+        int photoUrlIndex = cursor.getColumnIndex(WaypointsColumns.PHOTOURL);
+        int timeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.TIME);
+        int categoryIndex = cursor.getColumnIndex(WaypointsColumns.CATEGORY);
+        int descriptionIndex = cursor.getColumnIndex(WaypointsColumns.DESCRIPTION);
+
+        boolean statistics = WaypointType.values()[cursor.getInt(typeIndex)]
+            == WaypointType.STATISTICS;
+        int iconId = statistics ? R.drawable.ic_marker_yellow_pushpin
+            : R.drawable.ic_marker_blue_pushpin;
+        String name = cursor.getString(nameIndex);
+        String sharedOwner = track.getSharedOwner();
+        String photoUrl = cursor.getString(photoUrlIndex);
+        long time = cursor.getLong(timeIndex);
+        String category = statistics ? null : cursor.getString(categoryIndex);
+        String description = statistics ? null : cursor.getString(descriptionIndex);
+
+        ListItemUtils.setListItem(MarkerListActivity.this, view, false, true, iconId,
+            R.string.icon_marker, name, sharedOwner, null, null, photoUrl, time, category,
+            description);
+      }
+    };
+    listView.setAdapter(resourceCursorAdapter);
+    ApiAdapterFactory.getApiAdapter()
+        .configureListViewContextualMenu(this, listView, contextualActionModeCallback);
+
+    final long firstWaypointId = myTracksProviderUtils.getFirstWaypointId(trackId);
+    getSupportLoaderManager().initLoader(0, null, new LoaderCallbacks<Cursor>() {
+        @Override
+      public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
+        return new CursorLoader(MarkerListActivity.this, WaypointsColumns.CONTENT_URI, PROJECTION,
+            WaypointsColumns.TRACKID + "=? AND " + WaypointsColumns._ID + "!=?",
+            new String[] { String.valueOf(track.getId()), String.valueOf(firstWaypointId) }, null);
+      }
+
+        @Override
+      public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
+        resourceCursorAdapter.swapCursor(cursor);
+      }
+
+        @Override
+      public void onLoaderReset(Loader<Cursor> loader) {
+        resourceCursorAdapter.swapCursor(null);
+      }
+    });
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+    sharedPreferences.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+    sharedPreferenceChangeListener.onSharedPreferenceChanged(null, null);
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    ApiAdapterFactory.getApiAdapter().invalidMenu(this);
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+    sharedPreferences.unregisterOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.marker_list;
+  }
+
+  @Override
+  public boolean onCreateOptionsMenu(Menu menu) {
+    getMenuInflater().inflate(R.menu.marker_list, menu);
+    insertMarkerMenuItem = menu.findItem(R.id.marker_list_insert_marker);
+    searchMenuItem = menu.findItem(R.id.marker_list_search);
+    ApiAdapterFactory.getApiAdapter().configureSearchWidget(this, searchMenuItem, null);
+    return true;
+  }
+
+  @Override
+  public boolean onPrepareOptionsMenu(Menu menu) {
+    if (insertMarkerMenuItem != null) {
+      insertMarkerMenuItem.setVisible(track.getId() == recordingTrackId && !recordingTrackPaused);
+    }
+    return super.onPrepareOptionsMenu(menu);
+  }
+  
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    switch (item.getItemId()) {
+      case R.id.marker_list_insert_marker:
+        Intent intent = IntentUtils.newIntent(this, MarkerEditActivity.class)
+            .putExtra(MarkerEditActivity.EXTRA_TRACK_ID, track.getId());
+        startActivity(intent);
+        return true;
+      case R.id.marker_list_search:
+        return ApiAdapterFactory.getApiAdapter().handleSearchMenuSelection(this);
+      default:
+        return super.onOptionsItemSelected(item);
+    }
+  }
+
+  @Override
+  public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+    super.onCreateContextMenu(menu, v, menuInfo);
+    getMenuInflater().inflate(R.menu.list_context_menu, menu);
+
+    AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
+    contextualActionModeCallback.onPrepare(
+        menu, new int[] { info.position }, new long[] { info.id }, false);
+  }
+
+  @Override
+  public boolean onContextItemSelected(MenuItem item) {
+    AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
+    if (handleContextItem(item.getItemId(), new long[] {info.id})) {
+      return true;
+    }
+    return super.onContextItemSelected(item);
+  }
+
+  /**
+   * Handles a context item selection.
+   * 
+   * @param itemId the menu item id
+   * @param markerIds the marker ids
+   * @return true if handled.
+   */
+  private boolean handleContextItem(int itemId, long[] markerIds) {
+    Intent intent;
+    switch (itemId) {
+      case R.id.list_context_menu_show_on_map:
+        if (markerIds.length == 1) {
+          intent = IntentUtils.newIntent(this, TrackDetailActivity.class)
+              .putExtra(TrackDetailActivity.EXTRA_MARKER_ID, markerIds[0]);
+          startActivity(intent);
+        }
+        return true;
+      case R.id.list_context_menu_edit:
+        if (markerIds.length == 1) {
+          intent = IntentUtils.newIntent(this, MarkerEditActivity.class)
+              .putExtra(MarkerEditActivity.EXTRA_MARKER_ID, markerIds[0]);
+          startActivity(intent);
+        }
+        return true;
+      case R.id.list_context_menu_delete:
+        DeleteMarkerDialogFragment.newInstance(markerIds)
+            .show(getSupportFragmentManager(), DeleteMarkerDialogFragment.DELETE_MARKER_DIALOG_TAG);
+        return true;
+      case R.id.list_context_menu_select_all:
+        int size = listView.getCount();
+        for (int i = 0; i < size; i++) {
+          listView.setItemChecked(i, true);
+        }
+        return false;
+      default:
+        return false;
+    }
+  }
+
+  @Override
+  public boolean onKeyUp(int keyCode, KeyEvent event) {
+    if (keyCode == KeyEvent.KEYCODE_SEARCH && searchMenuItem != null) {
+      if (ApiAdapterFactory.getApiAdapter().handleSearchKey(searchMenuItem)) {
+        return true;
+      }
+    }
+    return super.onKeyUp(keyCode, event);
+  }
+
+  @Override
+  public void onDeleteMarkerDone() {
+    // Do nothing
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/SearchListActivity.java

@@ -0,0 +1,559 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.SearchEngine;
+import com.google.android.apps.mytracks.content.SearchEngine.ScoredResult;
+import com.google.android.apps.mytracks.content.SearchEngine.SearchQuery;
+import com.google.android.apps.mytracks.content.SearchEngineProvider;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.android.apps.mytracks.fragments.ConfirmDeleteDialogFragment;
+import com.google.android.apps.mytracks.fragments.DeleteMarkerDialogFragment;
+import com.google.android.apps.mytracks.fragments.DeleteMarkerDialogFragment.DeleteMarkerCaller;
+import com.google.android.apps.mytracks.services.MyTracksLocationManager;
+import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.ListItemUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.apps.mytracks.util.TrackIconUtils;
+import com.google.android.apps.mytracks.util.TrackRecordingServiceConnectionUtils;
+import com.google.android.gms.location.LocationListener;
+import com.google.android.maps.mytracks.R;
+
+import android.app.SearchManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.location.Location;
+import android.os.Bundle;
+import android.os.Looper;
+import android.provider.SearchRecentSuggestions;
+import android.util.Log;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.AdapterView.AdapterContextMenuInfo;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.SortedSet;
+
+/**
+ * An activity to display a list of search results.
+ * 
+ * @author Rodrigo Damazio
+ */
+public class SearchListActivity extends AbstractSendToGoogleActivity implements DeleteMarkerCaller {
+
+  private static final String TAG = SearchListActivity.class.getSimpleName();
+
+  private static final String IS_RECORDING_FIELD = "isRecording";
+  private static final String IS_PAUSED_FIELD = "isPaused";
+  private static final String ICON_ID_FIELD = "icon";
+  private static final String ICON_CONTENT_DESCRIPTION_ID_FIELD = "iconContentDescription";
+  private static final String NAME_FIELD = "name";
+  private static final String SHARED_OWNER_FIELD = "sharedOwner";
+  private static final String TOTAL_TIME_FIELD = "totalTime";
+  private static final String TOTAL_DISTANCE_FIELD = "totalDistance";
+  private static final String PHOTO_URL_FIELD = "photoUrl";
+  private static final String START_TIME_FIELD = "startTime";
+  private static final String CATEGORY_FIELD = "category";
+  private static final String DESCRIPTION_FIELD = "description";
+
+  private static final String TRACK_ID_FIELD = "trackId";
+  private static final String MARKER_ID_FIELD = "markerId";
+
+  private final OnSharedPreferenceChangeListener
+      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
+          @Override
+        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
+          if (key == null || key.equals(
+              PreferencesUtils.getKey(SearchListActivity.this, R.string.stats_units_key))) {
+            metricUnits = PreferencesUtils.isMetricUnits(SearchListActivity.this);
+          }
+          if (key == null || key.equals(
+              PreferencesUtils.getKey(SearchListActivity.this, R.string.recording_track_id_key))) {
+            recordingTrackId = PreferencesUtils.getLong(
+                SearchListActivity.this, R.string.recording_track_id_key);
+          }
+          if (key == null || key.equals(PreferencesUtils.getKey(
+              SearchListActivity.this, R.string.recording_track_paused_key))) {
+            recordingTrackPaused = PreferencesUtils.getBoolean(SearchListActivity.this,
+                R.string.recording_track_paused_key,
+                PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+          }
+          if (key != null) {
+            runOnUiThread(new Runnable() {
+                @Override
+              public void run() {
+                arrayAdapter.notifyDataSetChanged();
+              }
+            });
+          }
+        }
+      };
+
+  // Callback when an item is selected in the contextual action mode
+  private ContextualActionModeCallback
+      contextualActionModeCallback = new ContextualActionModeCallback() {
+          @Override
+        public boolean onClick(int itemId, int[] positions, long[] ids) {
+          return handleContextItem(itemId, positions);          
+        }
+          @Override
+        public void onPrepare(Menu menu, int[] positions, long[] ids, boolean showSelectAll) {
+          boolean isRecording = recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+          boolean isSingleSelection = positions.length == 1;
+          boolean isSingleSelectionShareWithMe;
+          boolean isSingleSelectionTrack;
+          if (isSingleSelection) {
+            Map<String, Object> item = arrayAdapter.getItem(positions[0]);
+            Long trackId = (Long) item.get(TRACK_ID_FIELD);
+            Track track = myTracksProviderUtils.getTrack(trackId);
+
+            isSingleSelectionShareWithMe = track.isSharedWithMe();
+            isSingleSelectionTrack = item.get(MARKER_ID_FIELD) == null;
+          } else {
+            isSingleSelectionShareWithMe = false;
+            isSingleSelectionTrack = false;
+          }
+          // Not recording, one item, item is a track
+          menu.findItem(R.id.list_context_menu_play)
+              .setVisible(!isRecording && isSingleSelection && isSingleSelectionTrack);
+          // Not recording, one item, item is a track, not shareWithMe item
+          menu.findItem(R.id.list_context_menu_share).setVisible(!isRecording && isSingleSelection
+              && isSingleSelectionTrack && !isSingleSelectionShareWithMe);
+          // One item, item is a marker
+          menu.findItem(R.id.list_context_menu_show_on_map)
+              .setVisible(isSingleSelection && !isSingleSelectionTrack);
+          // One item, can be a track or a marker, cannot be a sharedWithMe item
+          menu.findItem(R.id.list_context_menu_edit)
+              .setVisible(isSingleSelection && !isSingleSelectionShareWithMe);
+          // One item. If track, no restriction. If marker, cannot be a
+          // shareWithMe item
+          menu.findItem(R.id.list_context_menu_delete).setVisible(
+              isSingleSelection && (isSingleSelectionTrack || !isSingleSelectionShareWithMe));
+          // Disable select all, no action is available for multiple selection
+          menu.findItem(R.id.list_context_menu_select_all).setVisible(false);
+        }
+      };
+
+  private MyTracksProviderUtils myTracksProviderUtils;
+  private SharedPreferences sharedPreferences;
+  private TrackRecordingServiceConnection trackRecordingServiceConnection;
+  private SearchEngine searchEngine;
+  private SearchRecentSuggestions searchRecentSuggestions;
+  private ArrayAdapter<Map<String, Object>> arrayAdapter;
+
+  private boolean metricUnits = true;
+  private long recordingTrackId = PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+  private boolean recordingTrackPaused = PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT;
+
+  // UI elements
+  private ListView listView;
+  private MenuItem searchMenuItem;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
+
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(this);
+    sharedPreferences = getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, null);
+    searchEngine = new SearchEngine(myTracksProviderUtils);
+    searchRecentSuggestions = SearchEngineProvider.newHelper(this);
+
+    listView = (ListView) findViewById(R.id.search_list);
+    listView.setEmptyView(findViewById(R.id.search_list_empty));
+    listView.setOnItemClickListener(new OnItemClickListener() {
+        @Override
+      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        Map<String, Object> item = arrayAdapter.getItem(position);
+        Long trackId = (Long) item.get(TRACK_ID_FIELD);
+        Long markerId = (Long) item.get(MARKER_ID_FIELD);
+        Intent intent;
+        if (markerId != null) {
+          intent = IntentUtils.newIntent(SearchListActivity.this, TrackDetailActivity.class)
+              .putExtra(TrackDetailActivity.EXTRA_MARKER_ID, markerId);
+        } else {
+          intent = IntentUtils.newIntent(SearchListActivity.this, TrackDetailActivity.class)
+              .putExtra(TrackDetailActivity.EXTRA_TRACK_ID, trackId);
+        }
+        startActivity(intent);
+      }
+    });
+    arrayAdapter = new ArrayAdapter<Map<String, Object>>(
+        this, R.layout.list_item, R.id.list_item_name) {
+        @Override
+      public View getView(int position, View convertView, android.view.ViewGroup parent) {
+        View view;
+        if (convertView == null) {
+          view = getLayoutInflater().inflate(R.layout.list_item, parent, false);
+        } else {
+          view = convertView;
+        }
+        Map<String, Object> resultMap = getItem(position);
+        boolean isRecording = (Boolean) resultMap.get(IS_RECORDING_FIELD);
+        boolean isPaused = (Boolean) resultMap.get(IS_PAUSED_FIELD);
+        int iconId = (Integer) resultMap.get(ICON_ID_FIELD);
+        int iconContentDescriptionId = (Integer) resultMap.get(ICON_CONTENT_DESCRIPTION_ID_FIELD);
+        String name = (String) resultMap.get(NAME_FIELD);
+        String sharedOwner = (String) resultMap.get(SHARED_OWNER_FIELD);
+        String totalTime = (String) resultMap.get(TOTAL_TIME_FIELD);
+        String totalDistance = (String) resultMap.get(TOTAL_DISTANCE_FIELD);
+        String photoUrl = (String) resultMap.get(PHOTO_URL_FIELD);
+        Long startTime = (Long) resultMap.get(START_TIME_FIELD);
+        String category = (String) resultMap.get(CATEGORY_FIELD);
+        String description = (String) resultMap.get(DESCRIPTION_FIELD);
+
+        ListItemUtils.setListItem(SearchListActivity.this, view, isRecording, isPaused, iconId,
+            iconContentDescriptionId, name, sharedOwner, totalTime, totalDistance, photoUrl,
+            startTime, category, description);
+        return view;
+      }
+    };
+    listView.setAdapter(arrayAdapter);
+    ApiAdapterFactory.getApiAdapter()
+        .configureListViewContextualMenu(this, listView, contextualActionModeCallback);
+    handleIntent(getIntent());
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+    sharedPreferences.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+    sharedPreferenceChangeListener.onSharedPreferenceChanged(null, null);
+    TrackRecordingServiceConnectionUtils.startConnection(this, trackRecordingServiceConnection);
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    arrayAdapter.notifyDataSetChanged();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+    sharedPreferences.unregisterOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+    trackRecordingServiceConnection.unbind();
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.search_list;
+  }
+
+  @Override
+  public void onNewIntent(Intent intent) {
+    setIntent(intent);
+    handleIntent(intent);
+  }
+
+  @Override
+  public boolean onCreateOptionsMenu(Menu menu) {
+    getMenuInflater().inflate(R.menu.search_list, menu);
+    searchMenuItem = menu.findItem(R.id.search_list_search);
+    ApiAdapterFactory.getApiAdapter().configureSearchWidget(this, searchMenuItem, null);
+    return true;
+  }
+
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    switch (item.getItemId()) {
+      case R.id.search_list_search:
+        return ApiAdapterFactory.getApiAdapter().handleSearchMenuSelection(this);
+      default:
+        return super.onOptionsItemSelected(item);
+    }
+  }
+
+  @Override
+  public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+    super.onCreateContextMenu(menu, v, menuInfo);
+    getMenuInflater().inflate(R.menu.list_context_menu, menu);
+
+    AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
+    contextualActionModeCallback.onPrepare(
+        menu, new int[] { info.position }, new long[] { info.id }, false);
+  }
+
+  @Override
+  public boolean onContextItemSelected(MenuItem item) {
+    AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
+    if (handleContextItem(item.getItemId(), new int[] {info.position})) {
+      return true;
+    }
+    return super.onContextItemSelected(item);
+  }
+
+  @Override
+  public boolean onKeyUp(int keyCode, KeyEvent event) {
+    if (keyCode == KeyEvent.KEYCODE_SEARCH && searchMenuItem != null) {
+      if (ApiAdapterFactory.getApiAdapter().handleSearchKey(searchMenuItem)) {
+        return true;
+      }
+    }
+    return super.onKeyUp(keyCode, event);
+  }
+
+  /**
+   * Handles a context item selection.
+   * 
+   * @param itemId the menu item id
+   * @param positions the positions of the selected rows
+   * @return true if handled.
+   */
+  private boolean handleContextItem(int itemId, int[] positions) {
+    if (positions.length != 1) {
+      return false;
+    }
+    Map<String, Object> item = arrayAdapter.getItem(positions[0]);
+    Long trackId = (Long) item.get(TRACK_ID_FIELD);
+    Long markerId = (Long) item.get(MARKER_ID_FIELD);
+    Intent intent;
+    switch (itemId) {
+      case R.id.list_context_menu_play:
+        playTrack(new long[] {trackId});
+        return true;
+      case R.id.list_context_menu_share:
+        shareTrack(trackId);
+        return true;
+      case R.id.list_context_menu_show_on_map:
+        intent = IntentUtils.newIntent(this, TrackDetailActivity.class)
+            .putExtra(TrackDetailActivity.EXTRA_MARKER_ID, markerId);
+        startActivity(intent);
+        return true;
+      case R.id.list_context_menu_edit:
+        if (markerId != null) {
+          intent = IntentUtils.newIntent(this, MarkerEditActivity.class)
+              .putExtra(MarkerEditActivity.EXTRA_MARKER_ID, markerId);
+        } else {
+          intent = IntentUtils.newIntent(this, TrackEditActivity.class)
+              .putExtra(TrackEditActivity.EXTRA_TRACK_ID, trackId);
+        }
+        startActivity(intent);
+
+        // Close the search result since its content can change after edit.
+        finish();
+        return true;
+      case R.id.list_context_menu_delete:
+        if (markerId != null) {
+          DeleteMarkerDialogFragment.newInstance(new long[] { markerId }).show(
+              getSupportFragmentManager(), DeleteMarkerDialogFragment.DELETE_MARKER_DIALOG_TAG);
+        } else {
+          ConfirmDeleteDialogFragment.newInstance(new long[] { trackId })
+              .show(getSupportFragmentManager(), ConfirmDeleteDialogFragment.CONFIRM_DELETE_DIALOG_TAG);
+        }
+        return true;
+      default:
+        return false;
+    }
+  }
+
+  /**
+   * Handles the intent.
+   * 
+   * @param intent the intent
+   */
+  private void handleIntent(Intent intent) {
+    if (!Intent.ACTION_SEARCH.equals(intent.getAction())) {
+      Log.e(TAG, "Invalid intent action: " + intent);
+      finish();
+      return;
+    }
+
+    final String textQuery = intent.getStringExtra(SearchManager.QUERY);
+    setTitle(textQuery);
+
+    final MyTracksLocationManager myTracksLocationManager = new MyTracksLocationManager(
+        this, Looper.myLooper(), true);
+    LocationListener locationListener = new LocationListener() {
+        @Override
+      public void onLocationChanged(final Location location) {
+        myTracksLocationManager.close();
+        new Thread() {
+            @Override
+          public void run() {
+            SearchQuery query = new SearchQuery(
+                textQuery, location, -1L, System.currentTimeMillis());
+            doSearch(query);
+          }
+        }.start();
+      }
+    };
+    myTracksLocationManager.requestLastLocation(locationListener);
+  }
+
+  /**
+   * Do the search.
+   * 
+   * @param query the query
+   */
+  private void doSearch(SearchQuery query) {
+    SortedSet<ScoredResult> scoredResults = searchEngine.search(query);
+    final List<Map<String, Object>> displayResults = prepareResultsforDisplay(scoredResults);
+
+    // Use the UI thread to display the results
+    runOnUiThread(new Runnable() {
+        @Override
+      public void run() {
+        arrayAdapter.clear();
+        ApiAdapterFactory.getApiAdapter().addAllToArrayAdapter(arrayAdapter, displayResults);
+      }
+    });
+
+    // Save the query as a suggestion for the future
+    searchRecentSuggestions.saveRecentQuery(query.textQuery, null);
+  }
+
+  /**
+   * Prepares the result for display.
+   * 
+   * @param scoredResults a list of score results
+   * @return a list of result maps
+   */
+  private List<Map<String, Object>> prepareResultsforDisplay(
+      Collection<ScoredResult> scoredResults) {
+    ArrayList<Map<String, Object>> output = new ArrayList<Map<String, Object>>(
+        scoredResults.size());
+    for (ScoredResult result : scoredResults) {
+      Map<String, Object> resultMap = new HashMap<String, Object>();
+      if (result.track != null) {
+        prepareTrackForDisplay(result.track, resultMap);
+      } else {
+        prepareMarkerForDisplay(result.waypoint, resultMap);
+      }
+      output.add(resultMap);
+    }
+    return output;
+  }
+
+  /**
+   * Prepares a marker for display by filling in a result map.
+   * 
+   * @param waypoint the marker
+   * @param resultMap the result map
+   */
+  private void prepareMarkerForDisplay(Waypoint waypoint, Map<String, Object> resultMap) {
+    /*
+     * TODO: It may be more appropriate to obtain the track name as a join in
+     * the retrieval phase of the search.
+     */
+    String trackName = null;
+    String sharedOwner = null;
+    long trackId = waypoint.getTrackId();
+    if (trackId != -1L) {
+      Track track = myTracksProviderUtils.getTrack(trackId);
+      if (track != null) {
+        trackName = track.getName();
+        sharedOwner = track.getSharedOwner();
+      }
+    }
+
+    boolean statistics = waypoint.getType() == WaypointType.STATISTICS;
+
+    resultMap.put(IS_RECORDING_FIELD, false);
+    resultMap.put(IS_PAUSED_FIELD, true);
+    resultMap.put(ICON_ID_FIELD,
+        statistics ? R.drawable.ic_marker_yellow_pushpin : R.drawable.ic_marker_blue_pushpin);
+    resultMap.put(ICON_CONTENT_DESCRIPTION_ID_FIELD, R.string.icon_marker);
+    resultMap.put(NAME_FIELD, waypoint.getName());
+    resultMap.put(SHARED_OWNER_FIELD, sharedOwner);
+    // Display the marker's track name in the total time field
+    resultMap.put(TOTAL_TIME_FIELD, trackName == null ? null
+        : getString(R.string.search_list_marker_track_location, trackName));
+    resultMap.put(TOTAL_DISTANCE_FIELD, null);
+    resultMap.put(PHOTO_URL_FIELD, waypoint.getPhotoUrl());
+    resultMap.put(START_TIME_FIELD, waypoint.getLocation().getTime());
+    resultMap.put(CATEGORY_FIELD, statistics ? null : waypoint.getCategory());
+    resultMap.put(DESCRIPTION_FIELD, statistics ? null : waypoint.getDescription());
+    resultMap.put(TRACK_ID_FIELD, waypoint.getTrackId());
+    resultMap.put(MARKER_ID_FIELD, waypoint.getId());
+  }
+
+  /**
+   * Prepares a track for display by filling in a result map.
+   * 
+   * @param track the track
+   * @param resultMap the result map
+   */
+  private void prepareTrackForDisplay(Track track, Map<String, Object> resultMap) {
+    TripStatistics tripStatitics = track.getTripStatistics();
+    String icon = track.getIcon();
+    String category = icon != null && !icon.equals("") ? null : track.getCategory();
+
+    resultMap.put(IS_RECORDING_FIELD, track.getId() == recordingTrackId);
+    resultMap.put(IS_PAUSED_FIELD, recordingTrackPaused);
+    resultMap.put(ICON_ID_FIELD, TrackIconUtils.getIconDrawable(icon));
+    resultMap.put(ICON_CONTENT_DESCRIPTION_ID_FIELD, R.string.icon_track);
+    resultMap.put(NAME_FIELD, track.getName());
+    resultMap.put(SHARED_OWNER_FIELD, track.getSharedOwner());
+    resultMap.put(TOTAL_TIME_FIELD, StringUtils.formatElapsedTime(tripStatitics.getTotalTime()));
+    resultMap.put(TOTAL_DISTANCE_FIELD,
+        StringUtils.formatDistance(this, tripStatitics.getTotalDistance(), metricUnits));
+    resultMap.put(PHOTO_URL_FIELD, null);
+    resultMap.put(START_TIME_FIELD, tripStatitics.getStartTime());
+    resultMap.put(CATEGORY_FIELD, category);
+    resultMap.put(DESCRIPTION_FIELD, track.getDescription());
+    resultMap.put(TRACK_ID_FIELD, track.getId());
+    resultMap.put(MARKER_ID_FIELD, null);
+  }
+
+  @Override
+  public void onDeleteMarkerDone() {
+    runOnUiThread(new Runnable() {
+        @Override
+      public void run() {
+        handleIntent(getIntent());
+      }
+    });
+  }
+  
+  @Override
+  protected TrackRecordingServiceConnection getTrackRecordingServiceConnection() {
+    return trackRecordingServiceConnection;
+  }
+
+  @Override
+  protected void onDeleted() {
+    runOnUiThread(new Runnable() {
+        @Override
+      public void run() {
+        handleIntent(getIntent());
+      }
+    });
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/SectionResourceCursorAdapter.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.TracksColumns;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.support.v4.widget.ResourceCursorAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+/**
+ * A section based resource cursor adapter. Currently only supports one
+ * additional section header, "Shared with me".
+ * 
+ * @author Jimmy Shih
+ */
+public abstract class SectionResourceCursorAdapter extends ResourceCursorAdapter {
+
+  private enum ItemType {
+    TRACK, HEADER
+  }
+
+  private final LayoutInflater layoutInflater;
+  private int sharedWithMeIndex = -1;
+
+  public SectionResourceCursorAdapter(Context context, int layout, Cursor cursor, int flags) {
+    super(context, layout, cursor, flags);
+    this.layoutInflater = LayoutInflater.from(context);
+  }
+
+  @Override
+  public View getView(int position, View convertView, ViewGroup parent) {
+    if (getItemViewType(position) == ItemType.TRACK.ordinal()) {
+      return super.getView(getCursorPosition(position), convertView, parent);
+    } else {
+      TextView textView;
+      if (convertView == null) {
+        textView = (TextView) layoutInflater.inflate(R.layout.track_list_header, parent, false);
+      } else {
+        textView = (TextView) convertView;
+      }
+      return textView;
+    }
+  }
+
+  @Override
+  public int getViewTypeCount() {
+    return ItemType.values().length;
+  }
+
+  @Override
+  public int getCount() {
+    int count = super.getCount();
+    return count != 0 && sharedWithMeIndex != -1 ? count + 1 : count;
+  }
+
+  @Override
+  public boolean isEnabled(int position) {
+    return getItemViewType(position) == ItemType.TRACK.ordinal();
+  }
+
+  @Override
+  public Object getItem(int position) {
+    if (getItemViewType(position) == ItemType.TRACK.ordinal()) {
+      return super.getItem(getCursorPosition(position));
+    }
+    return null;
+  }
+
+  @Override
+  public long getItemId(int position) {
+    if (getItemViewType(position) == ItemType.TRACK.ordinal()) {
+      return super.getItemId(getCursorPosition(position));
+    }
+    return -1L;
+  }
+
+  @Override
+  public int getItemViewType(int position) {
+    if (sharedWithMeIndex != -1 && sharedWithMeIndex == position) {
+      return ItemType.HEADER.ordinal();
+    }
+    return ItemType.TRACK.ordinal();
+  }
+
+  @Override
+  public Cursor swapCursor(Cursor newCursor) {
+    Cursor oldCursor = super.swapCursor(newCursor);
+    sharedWithMeIndex = getSharedWithMeIndex();
+    return oldCursor;
+  }
+
+  /**
+   * Gets the Shared with me header index.
+   */
+  private int getSharedWithMeIndex() {
+    int i = 0;
+    Cursor cursor = getCursor();
+    if (cursor != null && cursor.moveToFirst()) {
+      int index = cursor.getColumnIndex(TracksColumns.SHAREDWITHME);
+      do {
+        int sharedWithMe = cursor.getInt(index);
+        if (sharedWithMe == 1) {
+          // Returns the index where sharedWithMe == 1
+          return i;
+        }
+        i++;
+      } while (cursor.moveToNext());
+    }
+    return -1;
+  }
+
+  /**
+   * Gets the underlying cursor position.
+   * 
+   * @param position the requested position
+   */
+  private int getCursorPosition(int position) {
+    if (sharedWithMeIndex != -1 && position > sharedWithMeIndex) {
+      return position - 1;
+    }
+    return position;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/SensorStateActivity.java

@@ -0,0 +1,288 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.Sensor;
+import com.google.android.apps.mytracks.services.ITrackRecordingService;
+import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
+import com.google.android.apps.mytracks.services.sensors.SensorManager;
+import com.google.android.apps.mytracks.services.sensors.SensorManagerFactory;
+import com.google.android.apps.mytracks.services.sensors.SensorUtils;
+import com.google.android.apps.mytracks.util.TrackRecordingServiceConnectionUtils;
+import com.google.android.maps.mytracks.R;
+import com.google.protobuf.InvalidProtocolBufferException;
+
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.RemoteException;
+import android.text.format.DateFormat;
+import android.util.Log;
+import android.widget.TextView;
+
+/**
+ * An activity that displays information about sensors.
+ * 
+ * @author Sandor Dornbush
+ */
+public class SensorStateActivity extends AbstractMyTracksActivity {
+
+  private static final String TAG = SensorStateActivity.class.getName();
+  private static final long ONE_SECOND = 1000;
+
+  private TrackRecordingServiceConnection trackRecordingServiceConnection;
+  private Handler handler;
+  private SensorManager tempSensorManager;
+
+  private final Runnable updateUiRunnable = new Runnable() {
+      @Override
+    public void run() {
+      ITrackRecordingService trackRecordingService = trackRecordingServiceConnection
+          .getServiceIfBound();
+
+      // Check if service is available and recording
+      boolean isRecording = false;
+      if (trackRecordingService != null) {
+        try {
+          isRecording = trackRecordingService.isRecording();
+        } catch (RemoteException e) {
+          Log.e(TAG, "Unable to determine if the track recording service is recording.", e);
+        }
+      }
+
+      if (!isRecording) {
+        updateFromTempSensorManager();
+      } else {
+        stopTempSensorManager();
+        updateFromSystemSensorManager();
+      }
+      handler.postDelayed(this, ONE_SECOND);
+    }
+  };
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, null);
+    handler = new Handler();
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+    TrackRecordingServiceConnectionUtils.startConnection(this, trackRecordingServiceConnection);
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    handler.post(updateUiRunnable);
+  }
+
+  @Override
+  protected void onPause() {
+    super.onPause();
+    handler.removeCallbacks(updateUiRunnable);
+    stopTempSensorManager();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+    trackRecordingServiceConnection.unbind();
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.sensor_state;
+  }
+
+  /**
+   * Stops the temp sensor manager.
+   */
+  private void stopTempSensorManager() {
+    if (tempSensorManager != null) {
+      SensorManagerFactory.releaseTempSensorManager();
+      tempSensorManager = null;
+    }
+  }
+
+  /**
+   * Updates from a temp sensor manager.
+   */
+  private void updateFromTempSensorManager() {
+    Sensor.SensorState sensorState = Sensor.SensorState.NONE;
+    Sensor.SensorDataSet sensorDataSet = null;
+
+    if (tempSensorManager == null) {
+      tempSensorManager = SensorManagerFactory.getTempSensorManager(this);
+    }
+
+    if (tempSensorManager != null) {
+      sensorState = tempSensorManager.getSensorState();
+      sensorDataSet = tempSensorManager.getSensorDataSet();
+    }
+
+    updateSensorStateAndDataSet(sensorState, sensorDataSet);
+  }
+
+  /**
+   * Updates from the system sensor manager.
+   */
+  private void updateFromSystemSensorManager() {
+    Sensor.SensorState sensorState = Sensor.SensorState.NONE;
+    Sensor.SensorDataSet sensorDataSet = null;
+
+    ITrackRecordingService trackRecordingService = trackRecordingServiceConnection
+        .getServiceIfBound();
+
+    // Get sensor details from the service.
+    if (trackRecordingService == null) {
+      Log.d(TAG, "Cannot get teh track recording service.");
+    } else {
+      try {
+        sensorState = Sensor.SensorState.valueOf(trackRecordingService.getSensorState());
+      } catch (RemoteException e) {
+        Log.e(TAG, "Cannote read sensor state.", e);
+        sensorState = Sensor.SensorState.NONE;
+      }
+
+      try {
+        byte[] buff = trackRecordingService.getSensorData();
+        if (buff != null) {
+          sensorDataSet = Sensor.SensorDataSet.parseFrom(buff);
+        }
+      } catch (RemoteException e) {
+        Log.e(TAG, "Cannot read sensor data set.", e);
+      } catch (InvalidProtocolBufferException e) {
+        Log.e(TAG, "Cannot read sensor data set.", e);
+      }
+    }
+
+    updateSensorStateAndDataSet(sensorState, sensorDataSet);
+  }
+
+  /**
+   * Updates the sensor state and data set.
+   * 
+   * @param sensorState sensor state
+   * @param sensorDataSet sensor data set
+   */
+  private void updateSensorStateAndDataSet(
+      Sensor.SensorState sensorState, Sensor.SensorDataSet sensorDataSet) {
+    ((TextView) findViewById(R.id.sensor_state)).setText(
+        SensorUtils.getStateAsString(sensorState, this));
+
+    String lastSensorTime = sensorDataSet == null ? getString(R.string.value_unknown)
+        : getLastSensorTime(sensorDataSet);
+    String heartRate = sensorDataSet == null ? getString(R.string.value_unknown)
+        : getHeartRate(sensorDataSet);
+    String cadence = sensorDataSet == null ? getString(R.string.value_unknown)
+        : getCadence(sensorDataSet);
+    String power = sensorDataSet == null ? getString(R.string.value_unknown)
+        : getPower(sensorDataSet);
+    String battery = sensorDataSet == null ? getString(R.string.value_unknown)
+        : getBattery(sensorDataSet);
+
+    ((TextView) findViewById(R.id.sensor_state_last_sensor_time)).setText(lastSensorTime);
+    ((TextView) findViewById(R.id.sensor_state_heart_rate)).setText(heartRate);
+    ((TextView) findViewById(R.id.sensor_state_cadence)).setText(cadence);
+    ((TextView) findViewById(R.id.sensor_state_power)).setText(power);
+    ((TextView) findViewById(R.id.sensor_state_battery)).setText(battery);
+  }
+
+  /**
+   * Gets the last sensor time.
+   * 
+   * @param sensorDataSet sensor data set
+   */
+  private String getLastSensorTime(Sensor.SensorDataSet sensorDataSet) {
+    return DateFormat.format("h:mm:ss aa", sensorDataSet.getCreationTime()).toString();
+  }
+
+  /**
+   * Gets the heart rate.
+   * 
+   * @param sensorDataSet sensor data set
+   */
+  private String getHeartRate(Sensor.SensorDataSet sensorDataSet) {
+    String value;
+    if (sensorDataSet.hasHeartRate() && sensorDataSet.getHeartRate().hasValue()
+        && sensorDataSet.getHeartRate().getState() == Sensor.SensorState.SENDING) {
+      value = getString(
+          R.string.sensor_state_heart_rate_value, sensorDataSet.getHeartRate().getValue());
+    } else {
+      value = SensorUtils.getStateAsString(
+          sensorDataSet.hasHeartRate() ? sensorDataSet.getHeartRate().getState()
+              : Sensor.SensorState.NONE, this);
+    }
+    return value;
+  }
+
+  /**
+   * Gets the cadence.
+   * 
+   * @param sensorDataSet sensor data set
+   */
+  private String getCadence(Sensor.SensorDataSet sensorDataSet) {
+    String value;
+    if (sensorDataSet.hasCadence() && sensorDataSet.getCadence().hasValue()
+        && sensorDataSet.getCadence().getState() == Sensor.SensorState.SENDING) {
+      value = getString(R.string.sensor_state_cadence_value, sensorDataSet.getCadence().getValue());
+    } else {
+      value = SensorUtils.getStateAsString(
+          sensorDataSet.hasCadence() ? sensorDataSet.getCadence().getState()
+              : Sensor.SensorState.NONE, this);
+    }
+    return value;
+  }
+
+  /**
+   * Gets the power.
+   * 
+   * @param sensorDataSet sensor data set
+   */
+  private String getPower(Sensor.SensorDataSet sensorDataSet) {
+    String value;
+    if (sensorDataSet.hasPower() && sensorDataSet.getPower().hasValue()
+        && sensorDataSet.getPower().getState() == Sensor.SensorState.SENDING) {
+      value = getString(R.string.sensor_state_power_value, sensorDataSet.getPower().getValue());
+    } else {
+      value = SensorUtils.getStateAsString(
+          sensorDataSet.hasPower() ? sensorDataSet.getPower().getState() : Sensor.SensorState.NONE,
+          this);
+    }
+    return value;
+  }
+
+  /**
+   * Gets the battery.
+   * 
+   * @param sensorDataSet sensor data set
+   */
+  private String getBattery(Sensor.SensorDataSet sensorDataSet) {
+    String value;
+    if (sensorDataSet.hasBatteryLevel() && sensorDataSet.getBatteryLevel().hasValue()
+        && sensorDataSet.getBatteryLevel().getState() == Sensor.SensorState.SENDING) {
+      value = getString(R.string.value_integer_percent, sensorDataSet.getBatteryLevel().getValue());
+    } else {
+      value = SensorUtils.getStateAsString(
+          sensorDataSet.hasBatteryLevel() ? sensorDataSet.getBatteryLevel().getState()
+              : Sensor.SensorState.NONE, this);
+    }
+    return value;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/TabsAdapter.java

@@ -0,0 +1,150 @@
+/*
+ * Copyright 2013q Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentActivity;
+import android.support.v4.app.FragmentPagerAdapter;
+import android.support.v4.view.ViewPager;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TabHost;
+import android.widget.TabHost.TabContentFactory;
+import android.widget.TabWidget;
+
+import java.util.ArrayList;
+
+/**
+ * This is a helper class that implements the management of tabs and all details
+ * of connecting a ViewPager with associated TabHost. It relies on a trick.
+ * Normally a tab host has a simple API for supplying a View or Intent that each
+ * tab will show. This is not sufficient for switching between pages. So instead
+ * we make the content part of the tab host 0dp high (it is not shown) and the
+ * TabsAdapter supplies its own dummy view to show as the tab content. It
+ * listens to changes in tabs, and takes care of switch to the correct paged in
+ * the ViewPager whenever the selected tab changes.
+ * <p>
+ * Copied from the FragmentTabsPager sample in the support library.
+ * 
+ * @author Jimmy Shih
+ */
+public class TabsAdapter extends FragmentPagerAdapter
+    implements TabHost.OnTabChangeListener, ViewPager.OnPageChangeListener {
+
+  private final Context context;
+  private final TabHost tabHost;
+  private final ViewPager viewPager;
+  private final ArrayList<TabInfo> tabInfos = new ArrayList<TabInfo>();
+
+  /**
+   * An object to hold a tab's info.
+   * 
+   * @author Jimmy Shih
+   */
+  private static final class TabInfo {
+
+    private final Class<?> clss;
+    private final Bundle bundle;
+
+    public TabInfo(Class<?> clss, Bundle bunlde) {
+      this.clss = clss;
+      this.bundle = bunlde;
+    }
+  }
+
+  /**
+   * A dummy {@link TabContentFactory} that creates an empty view to satisfy the
+   * {@link TabHost} API.
+   * 
+   * @author Jimmy Shih
+   */
+  private static class DummyTabFactory implements TabHost.TabContentFactory {
+
+    private final Context context;
+
+    public DummyTabFactory(Context context) {
+      this.context = context;
+    }
+
+    @Override
+    public View createTabContent(String tag) {
+      View view = new View(context);
+      view.setMinimumWidth(0);
+      view.setMinimumHeight(0);
+      return view;
+    }
+  }
+
+  public TabsAdapter(FragmentActivity activity, TabHost tabHost, ViewPager viewPager) {
+    super(activity.getSupportFragmentManager());
+    this.context = activity;
+    this.tabHost = tabHost;
+    this.viewPager = viewPager;
+    this.tabHost.setOnTabChangedListener(this);
+    this.viewPager.setAdapter(this);
+    this.viewPager.setOnPageChangeListener(this);
+  }
+
+  public void addTab(TabHost.TabSpec tabSpec, Class<?> clss, Bundle bundle) {
+    tabSpec.setContent(new DummyTabFactory(context));
+
+    TabInfo info = new TabInfo(clss, bundle);
+    
+    tabInfos.add(info);
+    tabHost.addTab(tabSpec);
+    notifyDataSetChanged();
+  }
+
+  @Override
+  public int getCount() {
+    return tabInfos.size();
+  }
+
+  @Override
+  public Fragment getItem(int position) {
+    TabInfo info = tabInfos.get(position);
+    return Fragment.instantiate(context, info.clss.getName(), info.bundle);
+  }
+
+  @Override
+  public void onTabChanged(String tabId) {
+    int position = tabHost.getCurrentTab();
+    viewPager.setCurrentItem(position);
+  }
+
+  @Override
+  public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {}
+
+  @Override
+  public void onPageSelected(int position) {
+    /*
+     * Unfortunately when TabHost changes the current tab, it kindly also takes
+     * care of putting focus on it when not in touch mode. The jerk. This hack
+     * tries to prevent this from pulling focus out of our ViewPager.
+     */
+    TabWidget tabWidget = tabHost.getTabWidget();
+    int oldFocusability = tabWidget.getDescendantFocusability();
+    tabWidget.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
+    tabHost.setCurrentTab(position);
+    tabWidget.setDescendantFocusability(oldFocusability);
+  }
+
+  @Override
+  public void onPageScrollStateChanged(int state) {}
+}

MyTracks/src/com/google/android/apps/mytracks/TrackController.java

@@ -0,0 +1,159 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.services.ITrackRecordingService;
+import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.os.Handler;
+import android.os.RemoteException;
+import android.util.Log;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+/**
+ * Track controller for record, pause, resume, and stop.
+ * 
+ * @author Jimmy Shih
+ */
+public class TrackController {
+
+  private static final String TAG = TrackController.class.getSimpleName();
+  private static final int ONE_SECOND = 1000;
+
+  private final Activity activity;
+  private final TrackRecordingServiceConnection trackRecordingServiceConnection;
+  private final Handler handler;
+  private final View containerView;
+  private final TextView statusTextView;
+  private final TextView totalTimeTextView;
+  private final ImageButton recordImageButton;
+  private final ImageButton stopImageButton;
+  private final boolean alwaysShow;
+
+  private boolean isRecording;
+  private boolean isPaused;
+  private long totalTime = 0;
+
+  // the timestamp for the toal time
+  private long totalTimeTimestamp = 0;
+
+  private boolean isResumed = false;
+
+  // A runnable to update the total time.
+  private final Runnable updateTotalTimeRunnable = new Runnable() {
+    public void run() {
+      if (isResumed && isRecording && !isPaused) {
+        totalTimeTextView.setText(StringUtils.formatElapsedTimeWithHour(
+            System.currentTimeMillis() - totalTimeTimestamp + totalTime));
+        handler.postDelayed(this, ONE_SECOND);
+      }
+    }
+  };
+
+  public TrackController(Activity activity,
+      TrackRecordingServiceConnection trackRecordingServiceConnection, boolean alwaysShow,
+      OnClickListener recordListener, OnClickListener stopListener) {
+    this.activity = activity;
+    this.trackRecordingServiceConnection = trackRecordingServiceConnection;
+    this.alwaysShow = alwaysShow;
+    handler = new Handler();
+    containerView = (View) activity.findViewById(R.id.track_controler_container);
+    statusTextView = (TextView) activity.findViewById(R.id.track_controller_status);
+    totalTimeTextView = (TextView) activity.findViewById(R.id.track_controller_total_time);
+    recordImageButton = (ImageButton) activity.findViewById(R.id.track_controller_record);
+    recordImageButton.setOnClickListener(recordListener);
+    stopImageButton = (ImageButton) activity.findViewById(R.id.track_controller_stop);
+    stopImageButton.setOnClickListener(stopListener);
+  }
+
+  public void update(boolean recording, boolean paused) {
+    if (!isResumed) {
+      return;
+    }
+    isRecording = recording;
+    isPaused = paused;
+    boolean visible = alwaysShow || isRecording;
+    containerView.setVisibility(visible ? View.VISIBLE : View.GONE);
+
+    if (!visible) {
+      handler.removeCallbacks(updateTotalTimeRunnable);
+      return;
+    }
+
+    recordImageButton.setImageResource(
+        isRecording && !isPaused ? R.drawable.button_pause : R.drawable.button_record);
+    recordImageButton.setContentDescription(activity.getString(
+        isRecording && !isPaused ? R.string.icon_pause_recording : R.string.icon_record_track));
+
+    stopImageButton.setImageResource(
+        isRecording ? R.drawable.button_stop : R.drawable.ic_button_stop_disabled);
+    stopImageButton.setEnabled(isRecording);
+
+    statusTextView.setVisibility(isRecording ? View.VISIBLE : View.INVISIBLE);
+    if (isRecording) {
+      statusTextView.setTextColor(activity.getResources()
+          .getColor(isPaused ? android.R.color.white : R.color.recording_text));
+      statusTextView.setText(isPaused ? R.string.generic_paused : R.string.generic_recording);
+    }
+
+    handler.removeCallbacks(updateTotalTimeRunnable);
+    totalTime = isRecording ? getTotalTime() : 0L;
+    totalTimeTextView.setText(StringUtils.formatElapsedTimeWithHour(totalTime));
+    if (isRecording && !isPaused) {
+      totalTimeTimestamp = System.currentTimeMillis();
+      handler.postDelayed(updateTotalTimeRunnable, ONE_SECOND);
+    }
+  }
+
+  public void onResume(boolean recording, boolean paused) {
+    isResumed = true;
+    update(recording, paused);
+  }
+
+  public void onPause() {
+    isResumed = false;
+    handler.removeCallbacks(updateTotalTimeRunnable);
+  }
+
+  public void hide() {
+    containerView.setVisibility(View.GONE);
+  }
+
+  public void show() {
+    containerView.setVisibility(View.VISIBLE);
+  }
+
+  /**
+   * Gets the total time for the current recording track.
+   */
+  private long getTotalTime() {
+    ITrackRecordingService trackRecordingService = trackRecordingServiceConnection
+        .getServiceIfBound();
+    try {
+      return trackRecordingService != null ? trackRecordingService.getTotalTime() : 0L;
+    } catch (RemoteException e) {
+      Log.e(TAG, "exception", e);
+      return 0L;
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/TrackDetailActivity.java

@@ -0,0 +1,616 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.TrackDataHub;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.android.apps.mytracks.content.WaypointCreationRequest;
+import com.google.android.apps.mytracks.fragments.ChartFragment;
+import com.google.android.apps.mytracks.fragments.ConfirmDeleteDialogFragment;
+import com.google.android.apps.mytracks.fragments.ExportDialogFragment;
+import com.google.android.apps.mytracks.fragments.ExportDialogFragment.ExportCaller;
+import com.google.android.apps.mytracks.fragments.ExportDialogFragment.ExportType;
+import com.google.android.apps.mytracks.fragments.FrequencyDialogFragment;
+import com.google.android.apps.mytracks.fragments.MyTracksMapFragment;
+import com.google.android.apps.mytracks.fragments.StatsFragment;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.io.file.exporter.SaveActivity;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendRequest;
+import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
+import com.google.android.apps.mytracks.settings.SettingsActivity;
+import com.google.android.apps.mytracks.util.AnalyticsUtils;
+import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.apps.mytracks.util.GoogleFeedbackUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.TrackRecordingServiceConnectionUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.provider.MediaStore;
+import android.support.v4.app.TaskStackBuilder;
+import android.support.v4.view.ViewPager;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.TabHost;
+import android.widget.TabHost.TabSpec;
+import android.widget.Toast;
+
+import java.io.File;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * An activity to show the track detail.
+ * 
+ * @author Leif Hendrik Wilden
+ * @author Rodrigo Damazio
+ */
+public class TrackDetailActivity extends AbstractSendToGoogleActivity implements ExportCaller {
+
+  public static final String EXTRA_TRACK_ID = "track_id";
+  public static final String EXTRA_MARKER_ID = "marker_id";
+
+  private static final String TAG = TrackDetailActivity.class.getSimpleName();
+  private static final String CURRENT_TAB_TAG_KEY = "current_tab_tag_key";
+  private static final String PHOTO_URI_KEY = "photo_uri_key";
+  private static final String HAS_PHOTO_KEY = "has_photo_key";
+  private static final String JPEG_EXTENSION = "jpeg";
+  
+  // The following are set in onCreate
+  private boolean hasCamera;
+  private Uri photoUri;
+  private boolean hasPhoto;
+  private MyTracksProviderUtils myTracksProviderUtils;
+  private SharedPreferences sharedPreferences;
+  private TrackRecordingServiceConnection trackRecordingServiceConnection;
+  private TrackDataHub trackDataHub;
+  private TabHost tabHost;
+  private ViewPager viewPager;
+  private TabsAdapter tabsAdapter;
+  private TrackController trackController;
+
+  // From intent
+  private long trackId;
+  private long markerId;
+
+  // Preferences
+  private long recordingTrackId = PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+  private boolean recordingTrackPaused = PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT;
+  private String sensorType = PreferencesUtils.SENSOR_TYPE_DEFAULT;
+  
+  private MenuItem insertMarkerMenuItem;
+  private MenuItem insertPhotoMenuItem;
+  private MenuItem playMenuItem;
+  private MenuItem shareMenuItem;
+  private MenuItem exportMenuItem;
+  private MenuItem voiceFrequencyMenuItem;
+  private MenuItem splitFrequencyMenuItem;
+  private MenuItem sensorStateMenuItem;
+
+  private final Runnable bindChangedCallback = new Runnable() {
+      @Override
+    public void run() {
+      // After binding changes (is available), update the total time in
+      // trackController.
+      runOnUiThread(new Runnable() {
+          @Override
+        public void run() {
+          trackController.update(trackId == recordingTrackId, recordingTrackPaused);
+          if (hasPhoto && photoUri != null) {
+            WaypointCreationRequest waypointCreationRequest = new WaypointCreationRequest(
+                WaypointType.WAYPOINT, false, null, null, null, null, photoUri.toString());
+            long id = TrackRecordingServiceConnectionUtils.addMarker(
+                TrackDetailActivity.this, trackRecordingServiceConnection, waypointCreationRequest);
+            hasPhoto = false;
+
+            if (id != -1L) {
+              Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
+              mediaScanIntent.setData(photoUri);
+              sendBroadcast(mediaScanIntent);
+            }
+          }
+        }
+      });
+    }
+  };
+
+  /*
+   * Note that sharedPreferenceChangeListener cannot be an anonymous inner
+   * class. Anonymous inner class will get garbage collected.
+   */
+  private final OnSharedPreferenceChangeListener
+      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
+          @Override
+        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
+          // Note that key can be null
+          if (key == null || key.equals(
+              PreferencesUtils.getKey(TrackDetailActivity.this, R.string.recording_track_id_key))) {
+            recordingTrackId = PreferencesUtils.getLong(
+                TrackDetailActivity.this, R.string.recording_track_id_key);
+          }
+          if (key == null || key.equals(PreferencesUtils.getKey(
+              TrackDetailActivity.this, R.string.recording_track_paused_key))) {
+            recordingTrackPaused = PreferencesUtils.getBoolean(TrackDetailActivity.this,
+                R.string.recording_track_paused_key,
+                PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+          }
+          if (key == null || key.equals(
+              PreferencesUtils.getKey(TrackDetailActivity.this, R.string.sensor_type_key))) {
+            sensorType = PreferencesUtils.getString(TrackDetailActivity.this,
+                R.string.sensor_type_key, PreferencesUtils.SENSOR_TYPE_DEFAULT);
+          }
+          if (key != null) {
+            runOnUiThread(new Runnable() {
+                @Override
+              public void run() {
+                ApiAdapterFactory.getApiAdapter().invalidMenu(TrackDetailActivity.this);
+                boolean isRecording = trackId == recordingTrackId;
+                trackController.update(isRecording, recordingTrackPaused);
+              }
+            });
+          }
+        }
+      };
+
+  private final OnClickListener recordListener = new OnClickListener() {
+      @Override
+    public void onClick(View v) {
+      if (recordingTrackPaused) {
+        // Paused -> Resume
+        AnalyticsUtils.sendPageViews(TrackDetailActivity.this, AnalyticsUtils.ACTION_RESUME_TRACK);
+        updateMenuItems(true, false);
+        TrackRecordingServiceConnectionUtils.resumeTrack(trackRecordingServiceConnection);
+        trackController.update(true, false);
+      } else {
+        // Recording -> Paused
+        AnalyticsUtils.sendPageViews(TrackDetailActivity.this, AnalyticsUtils.ACTION_PAUSE_TRACK);
+        updateMenuItems(true, true);
+        TrackRecordingServiceConnectionUtils.pauseTrack(trackRecordingServiceConnection);
+        trackController.update(true, true);
+      }
+    }
+  };
+
+  private final OnClickListener stopListener = new OnClickListener() {
+      @Override
+    public void onClick(View v) {
+      AnalyticsUtils.sendPageViews(TrackDetailActivity.this, AnalyticsUtils.ACTION_STOP_RECORDING);
+      updateMenuItems(false, true);
+      TrackRecordingServiceConnectionUtils.stopRecording(
+          TrackDetailActivity.this, trackRecordingServiceConnection, true);
+    }
+  };
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    hasCamera = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
+    photoUri = savedInstanceState != null ? (Uri) savedInstanceState.getParcelable(PHOTO_URI_KEY)
+        : null;
+    hasPhoto = savedInstanceState != null ? savedInstanceState.getBoolean(HAS_PHOTO_KEY, false)
+        : false;
+       
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(this);
+    handleIntent(getIntent());
+
+    sharedPreferences = getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+
+    trackRecordingServiceConnection = new TrackRecordingServiceConnection(
+        this, bindChangedCallback);
+    trackDataHub = TrackDataHub.newInstance(this);
+
+    tabHost = (TabHost) findViewById(android.R.id.tabhost);
+    tabHost.setup();
+
+    viewPager = (ViewPager) findViewById(R.id.pager);
+
+    tabsAdapter = new TabsAdapter(this, tabHost, viewPager);
+
+    TabSpec mapTabSpec = tabHost.newTabSpec(MyTracksMapFragment.MAP_FRAGMENT_TAG).setIndicator(
+        getString(R.string.track_detail_map_tab),
+        getResources().getDrawable(R.drawable.ic_tab_map));
+    tabsAdapter.addTab(mapTabSpec, MyTracksMapFragment.class, null);
+
+    TabSpec chartTabSpec = tabHost.newTabSpec(ChartFragment.CHART_FRAGMENT_TAG).setIndicator(
+        getString(R.string.track_detail_chart_tab),
+        getResources().getDrawable(R.drawable.ic_tab_chart));
+    tabsAdapter.addTab(chartTabSpec, ChartFragment.class, null);
+
+    TabSpec statsTabSpec = tabHost.newTabSpec(StatsFragment.STATS_FRAGMENT_TAG).setIndicator(
+        getString(R.string.track_detail_stats_tab),
+        getResources().getDrawable(R.drawable.ic_tab_stats));
+    tabsAdapter.addTab(statsTabSpec, StatsFragment.class, null);
+
+    if (savedInstanceState != null) {
+      tabHost.setCurrentTabByTag(savedInstanceState.getString(CURRENT_TAB_TAG_KEY));
+    }
+    
+    // Set the background after all three tabs are added
+    ApiAdapterFactory.getApiAdapter().setTabBackground(tabHost.getTabWidget());
+    
+    trackController = new TrackController(
+        this, trackRecordingServiceConnection, false, recordListener, stopListener);
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+
+    sharedPreferences.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+    sharedPreferenceChangeListener.onSharedPreferenceChanged(null, null);
+
+    TrackRecordingServiceConnectionUtils.startConnection(this, trackRecordingServiceConnection);
+    trackDataHub.start();
+    AnalyticsUtils.sendPageViews(this, AnalyticsUtils.PAGE_TRACK_DETAIL);
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    trackDataHub.loadTrack(trackId);
+
+    // Update UI
+    ApiAdapterFactory.getApiAdapter().invalidMenu(this);
+    boolean isRecording = trackId == recordingTrackId;
+    trackController.onResume(isRecording, recordingTrackPaused);
+  }
+
+  @Override
+  protected void onPause() {
+    super.onPause();
+    trackController.onPause();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+    sharedPreferences.unregisterOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+    trackRecordingServiceConnection.unbind();
+    trackDataHub.stop();
+    AnalyticsUtils.dispatch();
+  }
+
+  @Override
+  protected void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    outState.putString(CURRENT_TAB_TAG_KEY, tabHost.getCurrentTabTag());
+    if (photoUri != null) {
+      outState.putParcelable(PHOTO_URI_KEY, photoUri);
+    }
+    outState.putBoolean(HAS_PHOTO_KEY, hasPhoto);
+  }
+
+  @Override
+  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+    if (requestCode == CAMERA_REQUEST_CODE) {      
+      hasPhoto = resultCode == RESULT_OK;
+    } else {
+      super.onActivityResult(requestCode, resultCode, data);
+    }
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.track_detail;
+  }
+
+  @Override
+  protected boolean hideTitle() {
+    return true;
+  }
+
+  @Override
+  protected void onHomeSelected() {
+    /*
+     * According to
+     * http://developer.android.com/training/implementing-navigation
+     * /ancestral.html, we should use NavUtils.shouldUpRecreateTask instead of
+     * always creating a new back stack. However, NavUtils.shouldUpRecreateTask
+     * seems to always return false.
+     */
+    TaskStackBuilder.create(this).addParentStack(TrackDetailActivity.class).startActivities();
+    finish();
+  }
+
+  @Override
+  public void onNewIntent(Intent intent) {
+    setIntent(intent);
+    handleIntent(intent);
+  }
+
+  @Override
+  public boolean onCreateOptionsMenu(Menu menu) {
+    getMenuInflater().inflate(R.menu.track_detail, menu);
+
+    Track track = myTracksProviderUtils.getTrack(trackId);
+    boolean isSharedWithMe = track != null ? track.isSharedWithMe() : true;
+
+    menu.findItem(R.id.track_detail_edit).setVisible(!isSharedWithMe);
+    menu.findItem(R.id.track_detail_feedback)
+        .setVisible(ApiAdapterFactory.getApiAdapter().isGoogleFeedbackAvailable());
+
+    insertMarkerMenuItem = menu.findItem(R.id.track_detail_insert_marker);
+    insertPhotoMenuItem = menu.findItem(R.id.track_detail_insert_photo);
+    playMenuItem = menu.findItem(R.id.track_detail_play);
+
+    shareMenuItem = menu.findItem(R.id.track_detail_share);
+    shareMenuItem.setEnabled(!isSharedWithMe);
+    shareMenuItem.setVisible(!isSharedWithMe);
+
+    exportMenuItem = menu.findItem(R.id.track_detail_export);
+    voiceFrequencyMenuItem = menu.findItem(R.id.track_detail_voice_frequency);
+    splitFrequencyMenuItem = menu.findItem(R.id.track_detail_split_frequency);
+    sensorStateMenuItem = menu.findItem(R.id.track_detail_sensor_state);
+    return true;
+  }
+
+  @Override
+  public boolean onPrepareOptionsMenu(Menu menu) {
+    updateMenuItems(trackId == recordingTrackId, recordingTrackPaused);
+    return super.onPrepareOptionsMenu(menu);
+  }
+
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    Intent intent;
+    switch (item.getItemId()) {
+      case R.id.track_detail_insert_marker:
+        AnalyticsUtils.sendPageViews(this, AnalyticsUtils.ACTION_INSERT_MARKER);
+        intent = IntentUtils.newIntent(this, MarkerEditActivity.class)
+            .putExtra(MarkerEditActivity.EXTRA_TRACK_ID, trackId);
+        startActivity(intent);
+        return true;
+      case R.id.track_detail_insert_photo:
+        if (!FileUtils.isExternalStorageWriteable()) {
+          Toast.makeText(this, R.string.external_storage_not_writable, Toast.LENGTH_LONG).show();
+          return false;
+        }
+
+        File dir = new File(
+            FileUtils.getPath(FileUtils.PICTURES_DIR, Long.toString(trackId)));
+        FileUtils.ensureDirectoryExists(dir);
+
+        String fileName = SimpleDateFormat.getDateTimeInstance().format(new Date());
+        File file = new File(dir, FileUtils.buildUniqueFileName(dir, fileName, JPEG_EXTENSION));
+
+        photoUri = Uri.fromFile(file);
+        intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE).putExtra(
+            MediaStore.EXTRA_OUTPUT, photoUri);
+        startActivityForResult(intent, CAMERA_REQUEST_CODE);
+        return true;
+      case R.id.track_detail_play:
+        playTrack(new long[] {trackId});
+        return true;
+      case R.id.track_detail_share:
+        shareTrack(trackId);
+        return true;
+      case R.id.track_detail_markers:
+        intent = IntentUtils.newIntent(this, MarkerListActivity.class)
+            .putExtra(MarkerListActivity.EXTRA_TRACK_ID, trackId);
+        startActivity(intent);
+        return true;
+      case R.id.track_detail_voice_frequency:
+        FrequencyDialogFragment.newInstance(R.string.voice_frequency_key,
+            PreferencesUtils.VOICE_FREQUENCY_DEFAULT, R.string.menu_voice_frequency)
+            .show(getSupportFragmentManager(), FrequencyDialogFragment.FREQUENCY_DIALOG_TAG);
+        return true;
+      case R.id.track_detail_split_frequency:
+        FrequencyDialogFragment.newInstance(R.string.split_frequency_key,
+            PreferencesUtils.SPLIT_FREQUENCY_DEFAULT, R.string.menu_split_frequency)
+            .show(getSupportFragmentManager(), FrequencyDialogFragment.FREQUENCY_DIALOG_TAG);
+        return true;
+      case R.id.track_detail_export:
+        new ExportDialogFragment().show(getSupportFragmentManager(),
+            ExportDialogFragment.EXPORT_DIALOG_TAG);
+        return true;
+      case R.id.track_detail_edit:
+        intent = IntentUtils.newIntent(this, TrackEditActivity.class)
+            .putExtra(TrackEditActivity.EXTRA_TRACK_ID, trackId);
+        startActivity(intent);
+        return true;
+      case R.id.track_detail_delete:
+        ConfirmDeleteDialogFragment.newInstance(new long[] { trackId })
+            .show(getSupportFragmentManager(), ConfirmDeleteDialogFragment.CONFIRM_DELETE_DIALOG_TAG);
+        return true;
+      case R.id.track_detail_sensor_state:
+        intent = IntentUtils.newIntent(this, SensorStateActivity.class);
+        startActivity(intent);
+        return true;
+      case R.id.track_detail_settings:
+        intent = IntentUtils.newIntent(this, SettingsActivity.class);
+        startActivity(intent);
+        return true;
+      case R.id.track_detail_feedback:
+        GoogleFeedbackUtils.bindFeedback(this);
+        return true;
+      case R.id.track_detail_help:
+        intent = IntentUtils.newIntent(this, HelpActivity.class);
+        startActivity(intent);
+        return true;
+      default:
+        return super.onOptionsItemSelected(item);
+    }
+  }
+
+  @Override
+  public boolean onTrackballEvent(MotionEvent event) {
+    if (event.getAction() == MotionEvent.ACTION_DOWN) {
+      if (trackId == recordingTrackId && !recordingTrackPaused) {
+        TrackRecordingServiceConnectionUtils.addMarker(
+            this, trackRecordingServiceConnection, WaypointCreationRequest.DEFAULT_WAYPOINT);
+        return true;
+      }
+    }
+    return super.onTrackballEvent(event);
+  }
+
+  @Override
+  public void onExportDone(ExportType exportType, TrackFileFormat trackFileFormat) {
+    if (exportType == ExportType.EXTERNAL_STORAGE) {
+      AnalyticsUtils.sendPageViews(this,
+          AnalyticsUtils.ACTION_EXPORT_PREFIX + trackFileFormat.getExtension());
+      Intent intent = IntentUtils.newIntent(this, SaveActivity.class)
+          .putExtra(SaveActivity.EXTRA_TRACK_IDS, new long[] { trackId })
+          .putExtra(SaveActivity.EXTRA_TRACK_FILE_FORMAT, (Parcelable) trackFileFormat);
+      startActivity(intent);
+    } else {
+      SendRequest sendRequest = new SendRequest(trackId);
+      String pageView;
+      switch (exportType) {
+        case GOOGLE_MAPS:
+          pageView = AnalyticsUtils.ACTION_EXPORT_MAPS;
+          sendRequest.setSendMaps(true);
+          break;
+        case GOOGLE_FUSION_TABLES:
+          pageView = AnalyticsUtils.ACTION_EXPORT_FUSION_TABLES;
+          sendRequest.setSendFusionTables(true);
+          break;
+        default:
+          pageView = AnalyticsUtils.ACTION_EXPORT_SPREADSHEETS;
+          sendRequest.setSendSpreadsheets(true);
+      }
+      AnalyticsUtils.sendPageViews(this, pageView);
+      sendToGoogle(sendRequest);
+    }
+  }
+
+  @Override
+  protected TrackRecordingServiceConnection getTrackRecordingServiceConnection() {
+    return trackRecordingServiceConnection;
+  }
+
+  @Override
+  protected void onDeleted() {
+    runOnUiThread(new Runnable() {
+        @Override
+      public void run() {
+        finish();
+      }
+    });
+  }
+
+  /**
+   * Gets the {@link TrackDataHub}.
+   */
+  public TrackDataHub getTrackDataHub() {
+    return trackDataHub;
+  }
+
+  /**
+   * Gets the track id.
+   */
+  public long getTrackId() {
+    return trackId;
+  }
+  
+  /**
+   * Gets the marker id.
+   */
+  public long getMarkerId() {
+    return markerId;
+  }
+  
+  /**
+   * Handles the data in the intent.
+   */
+  private void handleIntent(Intent intent) {
+    trackId = intent.getLongExtra(EXTRA_TRACK_ID, -1L);
+    markerId = intent.getLongExtra(EXTRA_MARKER_ID, -1L);
+    if (markerId != -1L) {
+      // Use the trackId from the marker
+      Waypoint waypoint = myTracksProviderUtils.getWaypoint(markerId);
+      if (waypoint == null) {
+        finish();
+        return;
+      }
+      trackId = waypoint.getTrackId();
+    }
+    if (trackId == -1L) {
+      finish();
+      return;
+    }
+    Track track = myTracksProviderUtils.getTrack(trackId);
+    if (track == null) {
+      // Use the last track if markerId is not set
+      if (markerId == -1L) {
+        track = myTracksProviderUtils.getLastTrack();
+        if (track != null) {
+          trackId = track.getId();
+          return;
+        }
+      }
+      finish();
+      return;
+    }
+  }
+
+  /**
+   * Updates the menu items.
+   * 
+   * @param isRecording true if recording
+   */
+  private void updateMenuItems(boolean isRecording, boolean isPaused) {
+    if (insertMarkerMenuItem != null) {
+      insertMarkerMenuItem.setVisible(isRecording && !isPaused);
+    }
+    if (insertPhotoMenuItem != null) {
+      insertPhotoMenuItem.setVisible(hasCamera && isRecording && !isPaused);
+    }
+    if (playMenuItem != null) {
+      playMenuItem.setVisible(!isRecording);
+    }
+    if (shareMenuItem != null && shareMenuItem.isEnabled()) {
+      shareMenuItem.setVisible(!isRecording);
+    }
+    if (exportMenuItem != null) {
+      exportMenuItem.setVisible(!isRecording);
+    }
+    if (voiceFrequencyMenuItem != null) {
+      voiceFrequencyMenuItem.setVisible(isRecording);
+    }
+    if (splitFrequencyMenuItem != null) {
+      splitFrequencyMenuItem.setVisible(isRecording);
+    }    
+    if (sensorStateMenuItem != null) {
+      sensorStateMenuItem.setVisible(!PreferencesUtils.SENSOR_TYPE_DEFAULT.equals(sensorType));
+    }
+
+    String title;
+    if (isRecording) {
+      title = getString(isPaused ? R.string.generic_paused : R.string.generic_recording);
+    } else {
+      Track track = myTracksProviderUtils.getTrack(trackId);
+      title = track != null ? track.getName() : "";
+    }
+    setTitle(title);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/TrackEditActivity.java

@@ -0,0 +1,271 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.fragments.ChooseActivityTypeDialogFragment;
+import com.google.android.apps.mytracks.fragments.ChooseActivityTypeDialogFragment.ChooseActivityTypeCaller;
+import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
+import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.apps.mytracks.util.CalorieUtils;
+import com.google.android.apps.mytracks.util.TrackIconUtils;
+import com.google.android.apps.mytracks.util.TrackNameUtils;
+import com.google.android.apps.mytracks.util.TrackRecordingServiceConnectionUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.BitmapFactory.Options;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.AutoCompleteTextView;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.Spinner;
+
+/**
+ * An activity that let's the user see and edit the user editable track meta
+ * data such as track name, activity type, and track description.
+ *
+ * @author Leif Hendrik Wilden
+ */
+public class TrackEditActivity extends AbstractMyTracksActivity
+    implements ChooseActivityTypeCaller {
+
+  public static final String EXTRA_TRACK_ID = "track_id";
+  public static final String EXTRA_NEW_TRACK = "new_track";
+
+  private static final String TAG = TrackEditActivity.class.getSimpleName();
+  private static final String ICON_VALUE_KEY = "icon_value_key";
+
+  private Long trackId;
+  private TrackRecordingServiceConnection trackRecordingServiceConnection;
+  private MyTracksProviderUtils myTracksProviderUtils;
+  private Track track;
+  private String iconValue;
+
+  private EditText name;
+  private AutoCompleteTextView activityType;
+  private Spinner activityTypeIcon;
+  private EditText description;
+
+  @Override
+  protected void onCreate(Bundle bundle) {
+    super.onCreate(bundle);
+
+    trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, null);
+    trackId = getIntent().getLongExtra(EXTRA_TRACK_ID, -1L);
+    if (trackId == -1L) {
+      Log.e(TAG, "invalid trackId");
+      finish();
+      return;
+    }
+
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(this);
+    track = myTracksProviderUtils.getTrack(trackId);
+    if (track == null) {
+      Log.e(TAG, "No track for " + trackId);
+      finish();
+      return;
+    }
+
+    name = (EditText) findViewById(R.id.track_edit_name);
+    name.setText(track.getName());
+
+    activityType = (AutoCompleteTextView) findViewById(R.id.track_edit_activity_type);
+    activityType.setText(track.getCategory());
+
+    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
+        this, R.array.activity_types, android.R.layout.simple_dropdown_item_1line);
+    activityType.setAdapter(adapter);
+    activityType.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+      @Override
+      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        setActivityTypeIcon(TrackIconUtils.getIconValue(
+            TrackEditActivity.this, (String) activityType.getAdapter().getItem(position)));
+      }
+    });
+    activityType.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+      @Override
+      public void onFocusChange(View v, boolean hasFocus) {
+        if (!hasFocus) {
+          setActivityTypeIcon(TrackIconUtils.getIconValue(
+              TrackEditActivity.this, activityType.getText().toString()));
+        }
+      }
+    });
+
+    iconValue = null;
+    if (bundle != null) {
+      iconValue = bundle.getString(ICON_VALUE_KEY);
+    }
+    if (iconValue == null) {
+      iconValue = track.getIcon();
+    }
+
+    // Add a border around the icon
+    Options options = new BitmapFactory.Options();
+    options.inJustDecodeBounds = true;
+    BitmapFactory.decodeResource(getResources(), R.drawable.ic_track_airplane, options);
+    final int padding = 4;
+    final int width = options.outWidth + 2 * padding;
+    final int height = options.outHeight + 2 * padding;
+
+    activityTypeIcon = (Spinner) findViewById(R.id.track_edit_activity_type_icon);
+    ArrayAdapter<StringBuilder> activityTypeIconAdapter = new ArrayAdapter<StringBuilder>(
+        this, android.R.layout.simple_spinner_item,
+        new StringBuilder[] {new StringBuilder(iconValue)}) {
+      @Override
+      public View getView(int position, View convertView, android.view.ViewGroup parent) {
+        ImageView imageView =
+            convertView != null ? (ImageView) convertView : new ImageView(getContext());
+        Bitmap source = BitmapFactory.decodeResource(
+            getResources(), TrackIconUtils.getIconDrawable(getItem(position).toString()));
+        if (ApiAdapterFactory.getApiAdapter().isSpinnerBackgroundLight()) {
+          source = TrackIconUtils.invertBitmap(source);
+        }
+        imageView.setImageBitmap(source);
+        imageView.setMinimumHeight(height);
+        imageView.setMinimumWidth(width);
+        imageView.setPadding(padding, padding, padding, padding);
+        return imageView;
+      }
+    };
+    activityTypeIcon.setAdapter(activityTypeIconAdapter);
+    activityTypeIcon.setOnTouchListener(new View.OnTouchListener() {
+      @Override
+      public boolean onTouch(View v, MotionEvent event) {
+        if (event.getAction() == MotionEvent.ACTION_UP) {
+          new ChooseActivityTypeDialogFragment().show(getSupportFragmentManager(),
+              ChooseActivityTypeDialogFragment.CHOOSE_ACTIVITY_TYPE_DIALOG_TAG);
+        }
+        return true;
+      }
+    });
+    activityTypeIcon.setOnKeyListener(new View.OnKeyListener() {
+      @Override
+      public boolean onKey(View v, int keyCode, KeyEvent event) {
+        if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
+          new ChooseActivityTypeDialogFragment().show(getSupportFragmentManager(),
+              ChooseActivityTypeDialogFragment.CHOOSE_ACTIVITY_TYPE_DIALOG_TAG);
+          return true;
+        } else {
+          return false;
+        }
+      }
+    });
+
+    description = (EditText) findViewById(R.id.track_edit_description);
+    description.setText(track.getDescription());
+
+    Button save = (Button) findViewById(R.id.track_edit_save);
+    save.setOnClickListener(new View.OnClickListener() {
+      @Override
+      public void onClick(View v) {
+        track.setName(name.getText().toString());
+        String category = activityType.getText().toString();
+        if (!category.equals(track.getCategory())) {
+          // TODO Is there no race condition when setCalorie is called.
+          double calorie = CalorieUtils.calculateTrackCalorie(getApplicationContext(), track,
+              category);
+
+          track.getTripStatistics().setCalorie(calorie);
+          TrackRecordingServiceConnectionUtils.updateCalorie(trackRecordingServiceConnection,
+              calorie);
+        }
+        track.setCategory(category);
+        track.setIcon(TrackIconUtils.getIconValue(TrackEditActivity.this, category));
+        track.setDescription(description.getText().toString());
+        track.setModifiedTime(System.currentTimeMillis());
+        myTracksProviderUtils.updateTrack(track);
+        finish();
+      }
+    });
+
+    Button cancel = (Button) findViewById(R.id.track_edit_cancel);
+    if (getIntent().getBooleanExtra(EXTRA_NEW_TRACK, false)) {
+      String trackName = TrackNameUtils.getTrackName(
+          this, -1L, -1L, myTracksProviderUtils.getFirstValidTrackPoint(trackId));
+      if (trackName != null) {
+        name.setText(trackName);
+      }
+      setTitle(R.string.track_edit_new_track_title);
+      cancel.setVisibility(View.GONE);
+    } else {
+      setTitle(R.string.menu_edit);
+      cancel.setOnClickListener(new View.OnClickListener() {
+        @Override
+        public void onClick(View v) {
+          finish();
+        }
+      });
+      cancel.setVisibility(View.VISIBLE);
+    }
+  }
+  
+  @Override
+  protected void onStart() {
+    super.onStart();
+    TrackRecordingServiceConnectionUtils.startConnection(this, trackRecordingServiceConnection);
+  }
+  
+  @Override
+  protected void onStop() {
+    super.onStop();
+    trackRecordingServiceConnection.unbind();
+  }
+
+  @Override
+  public void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    outState.putString(ICON_VALUE_KEY, iconValue);
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.track_edit;
+  }
+
+  /**
+   * Sets the activity type icon.
+   *
+   * @param value the icon value
+   */
+  @SuppressWarnings("unchecked")
+  private void setActivityTypeIcon(String value) {
+    iconValue = value;
+    ArrayAdapter<StringBuilder> adapter =
+        (ArrayAdapter<StringBuilder>) activityTypeIcon.getAdapter();
+    StringBuilder stringBuilder = adapter.getItem(0);
+    stringBuilder.delete(0, stringBuilder.length());
+    stringBuilder.append(value);
+    adapter.notifyDataSetChanged();
+  }
+
+  @Override
+  public void onChooseActivityTypeDone(String value) {
+    activityType.setText(getString(TrackIconUtils.getIconActivityType(value)));
+    setActivityTypeIcon(value);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/TrackListActivity.java

@@ -0,0 +1,804 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.TracksColumns;
+import com.google.android.apps.mytracks.fragments.ConfirmDeleteDialogFragment;
+import com.google.android.apps.mytracks.fragments.EnableSyncDialogFragment;
+import com.google.android.apps.mytracks.fragments.EnableSyncDialogFragment.EnableSyncCaller;
+import com.google.android.apps.mytracks.fragments.EulaDialogFragment;
+import com.google.android.apps.mytracks.fragments.EulaDialogFragment.EulaCaller;
+import com.google.android.apps.mytracks.fragments.FileTypeDialogFragment;
+import com.google.android.apps.mytracks.fragments.FileTypeDialogFragment.FileTypeCaller;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.io.file.exporter.SaveActivity;
+import com.google.android.apps.mytracks.io.file.importer.ImportActivity;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendRequest;
+import com.google.android.apps.mytracks.io.sync.SyncUtils;
+import com.google.android.apps.mytracks.services.ITrackRecordingService;
+import com.google.android.apps.mytracks.services.MyTracksLocationManager;
+import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
+import com.google.android.apps.mytracks.settings.SettingsActivity;
+import com.google.android.apps.mytracks.util.AnalyticsUtils;
+import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.apps.mytracks.util.EulaUtils;
+import com.google.android.apps.mytracks.util.GoogleFeedbackUtils;
+import com.google.android.apps.mytracks.util.GoogleLocationUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.ListItemUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.apps.mytracks.util.TrackIconUtils;
+import com.google.android.apps.mytracks.util.TrackRecordingServiceConnectionUtils;
+import com.google.android.gms.common.ConnectionResult;
+import com.google.android.gms.common.GooglePlayServicesUtil;
+import com.google.android.maps.mytracks.BuildConfig;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Dialog;
+import android.app.SearchManager;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.os.Looper;
+import android.os.Parcelable;
+import android.os.RemoteException;
+import android.provider.Settings;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.LoaderManager.LoaderCallbacks;
+import android.support.v4.content.CursorLoader;
+import android.support.v4.content.Loader;
+import android.util.Log;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.Gravity;
+import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.AdapterView;
+import android.widget.AdapterView.AdapterContextMenuInfo;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ListView;
+import android.widget.Toast;
+
+import java.util.Locale;
+
+/**
+ * An activity displaying a list of tracks.
+ * 
+ * @author Leif Hendrik Wilden
+ */
+public class TrackListActivity extends AbstractSendToGoogleActivity
+    implements EulaCaller, EnableSyncCaller, FileTypeCaller {
+
+  private static final String TAG = TrackListActivity.class.getSimpleName();
+  private static final String[] PROJECTION = new String[] { TracksColumns._ID, TracksColumns.NAME,
+      TracksColumns.DESCRIPTION, TracksColumns.CATEGORY, TracksColumns.STARTTIME,
+      TracksColumns.TOTALDISTANCE, TracksColumns.TOTALTIME, TracksColumns.ICON,
+      TracksColumns.SHAREDWITHME, TracksColumns.SHAREDOWNER };
+
+  // Callback when the trackRecordingServiceConnection binding changes.
+  private final Runnable bindChangedCallback = new Runnable() {
+      @Override
+    public void run() {
+      /*
+       * After binding changes (e.g., becomes available), update the total time
+       * in trackController.
+       */
+      runOnUiThread(new Runnable() {
+          @Override
+        public void run() {
+          trackController.update(recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT,
+              recordingTrackPaused);
+        }
+      });
+
+      if (!startGps && !startNewRecording) {
+        return;
+      }
+
+      ITrackRecordingService service = trackRecordingServiceConnection.getServiceIfBound();
+      if (service == null) {
+        Log.d(TAG, "service not available to start gps or a new recording");
+        return;
+      }
+      if (startNewRecording) {
+        startGps = false;
+        try {
+          long trackId = service.startNewTrack();
+          startNewRecording = false;
+          Intent intent = IntentUtils.newIntent(TrackListActivity.this, TrackDetailActivity.class)
+              .putExtra(TrackDetailActivity.EXTRA_TRACK_ID, trackId);
+          startActivity(intent);
+          Toast.makeText(
+              TrackListActivity.this, R.string.track_list_record_success, Toast.LENGTH_SHORT)
+              .show();
+        } catch (RemoteException e) {
+          Toast.makeText(
+              TrackListActivity.this, R.string.track_list_record_error, Toast.LENGTH_LONG).show();
+          Log.e(TAG, "Unable to start a new recording.", e);
+        }
+      }
+      if (startGps) {
+        try {
+          service.startGps();
+          startGps = false;
+        } catch (RemoteException e) {
+          Toast.makeText(TrackListActivity.this, R.string.gps_starting_error, Toast.LENGTH_LONG)
+              .show();
+          Log.e(TAG, "Unable to start gps");
+        }
+      }
+    }
+  };
+
+  /*
+   * Note that sharedPreferenceChangeListenr cannot be an anonymous inner class.
+   * Anonymous inner class will get garbage collected.
+   */
+  private final OnSharedPreferenceChangeListener
+      sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
+          @Override
+        public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
+          if (key == null || key.equals(
+              PreferencesUtils.getKey(TrackListActivity.this, R.string.stats_units_key))) {
+            metricUnits = PreferencesUtils.isMetricUnits(TrackListActivity.this);
+          }
+          if (key == null || key.equals(
+              PreferencesUtils.getKey(TrackListActivity.this, R.string.recording_track_id_key))) {
+            recordingTrackId = PreferencesUtils.getLong(
+                TrackListActivity.this, R.string.recording_track_id_key);
+            if (key != null && recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT) {
+              trackRecordingServiceConnection.startAndBind();
+            }
+          }
+          if (key == null || key.equals(PreferencesUtils.getKey(
+              TrackListActivity.this, R.string.recording_track_paused_key))) {
+            recordingTrackPaused = PreferencesUtils.getBoolean(TrackListActivity.this,
+                R.string.recording_track_paused_key,
+                PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+          }
+          if (key == null || key.equals(
+              PreferencesUtils.getKey(TrackListActivity.this, R.string.drive_sync_key))) {
+            driveSync = PreferencesUtils.getBoolean(TrackListActivity.this, R.string.drive_sync_key,
+                PreferencesUtils.DRIVE_SYNC_DEFAULT);
+          }
+          if (key != null) {
+            runOnUiThread(new Runnable() {
+                @Override
+              public void run() {
+                ApiAdapterFactory.getApiAdapter().invalidMenu(TrackListActivity.this);
+                getSupportLoaderManager().restartLoader(0, null, loaderCallbacks);
+                boolean isRecording = recordingTrackId
+                    != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+                trackController.update(isRecording, recordingTrackPaused);
+              }
+            });
+          }
+        }
+      };
+
+  // Callback when an item is selected in the contextual action mode
+  private final ContextualActionModeCallback
+      contextualActionModeCallback = new ContextualActionModeCallback() {
+
+          @Override
+        public void onPrepare(Menu menu, int[] positions, long[] ids, boolean showSelectAll) {
+          boolean isRecording = recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+          boolean isSingleSelection = ids.length == 1;
+          boolean isSingleSelectionShareWithMe;
+          if (isSingleSelection) {
+            Track track = myTracksProviderUtils.getTrack(ids[0]);
+            isSingleSelectionShareWithMe = track.isSharedWithMe();
+          } else {
+            isSingleSelectionShareWithMe = false;
+          }
+
+          // Not recording
+          menu.findItem(R.id.list_context_menu_play).setVisible(!isRecording);
+          // Not recording, one item, not sharedWithMe item
+          menu.findItem(R.id.list_context_menu_share)
+              .setVisible(!isRecording && isSingleSelection && !isSingleSelectionShareWithMe);
+          // Always disable
+          menu.findItem(R.id.list_context_menu_show_on_map).setVisible(false);
+          // One item, not sharedWithMe item
+          menu.findItem(R.id.list_context_menu_edit)
+              .setVisible(isSingleSelection && !isSingleSelectionShareWithMe);
+          // delete is always enabled
+          menu.findItem(R.id.list_context_menu_select_all).setVisible(showSelectAll);
+        }
+
+          @Override
+        public boolean onClick(int itemId, int[] positions, long[] ids) {
+          return handleContextItem(itemId, ids);
+        };
+      };
+
+  private final OnClickListener recordListener = new OnClickListener() {
+    public void onClick(View v) {
+      if (recordingTrackId == PreferencesUtils.RECORDING_TRACK_ID_DEFAULT) {
+        // Not recording -> Recording
+        AnalyticsUtils.sendPageViews(TrackListActivity.this, AnalyticsUtils.ACTION_RECORD_TRACK);
+        updateMenuItems(false, true);
+        startRecording();
+      } else {
+        if (recordingTrackPaused) {
+          // Paused -> Resume
+          AnalyticsUtils.sendPageViews(TrackListActivity.this, AnalyticsUtils.ACTION_RESUME_TRACK);
+          updateMenuItems(false, true);
+          TrackRecordingServiceConnectionUtils.resumeTrack(trackRecordingServiceConnection);
+          trackController.update(true, false);
+        } else {
+          // Recording -> Paused
+          AnalyticsUtils.sendPageViews(TrackListActivity.this, AnalyticsUtils.ACTION_PAUSE_TRACK);
+          updateMenuItems(false, true);
+          TrackRecordingServiceConnectionUtils.pauseTrack(trackRecordingServiceConnection);
+          trackController.update(true, true);
+        }
+      }
+    }
+  };
+
+  private final OnClickListener stopListener = new OnClickListener() {
+      @Override
+    public void onClick(View v) {
+      AnalyticsUtils.sendPageViews(TrackListActivity.this, AnalyticsUtils.ACTION_STOP_RECORDING);
+      updateMenuItems(false, false);
+      TrackRecordingServiceConnectionUtils.stopRecording(
+          TrackListActivity.this, trackRecordingServiceConnection, true);
+    }
+  };
+
+  private final LoaderCallbacks<Cursor> loaderCallbacks = new LoaderCallbacks<Cursor>() {
+      @Override
+    public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
+      return new CursorLoader(TrackListActivity.this, TracksColumns.CONTENT_URI, PROJECTION, null,
+          null,
+          "IFNULL(" + TracksColumns.SHAREDWITHME + ",0) ASC, " + TracksColumns.STARTTIME + " DESC");
+    }
+
+      @Override
+    public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
+      sectionResourceCursorAdapter.swapCursor(cursor);
+    }
+
+      @Override
+    public void onLoaderReset(Loader<Cursor> loader) {
+      sectionResourceCursorAdapter.swapCursor(null);
+    }
+  };
+  
+  // The following are set in onCreate
+  private MyTracksProviderUtils myTracksProviderUtils;
+  private SharedPreferences sharedPreferences;
+  private TrackRecordingServiceConnection trackRecordingServiceConnection;
+  private TrackController trackController;
+  private ListView listView;
+  private SectionResourceCursorAdapter sectionResourceCursorAdapter;
+
+  // Preferences
+  private boolean metricUnits = true;
+  private long recordingTrackId = PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+  private boolean recordingTrackPaused = PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT;
+  private boolean driveSync = PreferencesUtils.DRIVE_SYNC_DEFAULT;
+
+  // Menu items
+  private MenuItem searchMenuItem;
+  private MenuItem startGpsMenuItem;
+  private MenuItem refreshMenuItem;
+  private MenuItem exportAllMenuItem;
+  private MenuItem importAllMenuItem;
+  private MenuItem deleteAllMenuItem;
+
+  private boolean startGps = false; // true to start gps
+  private boolean startNewRecording = false; // true to start a new recording
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    if (BuildConfig.DEBUG) {
+      ApiAdapterFactory.getApiAdapter().enableStrictMode();
+    }
+
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(this);
+    sharedPreferences = getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+
+    trackRecordingServiceConnection = new TrackRecordingServiceConnection(
+        this, bindChangedCallback);
+    trackController = new TrackController(
+        this, trackRecordingServiceConnection, true, recordListener, stopListener);
+
+    setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
+    // Show trackController when search dialog is dismissed
+    SearchManager searchManager = (SearchManager) getSystemService(SEARCH_SERVICE);
+    searchManager.setOnDismissListener(new SearchManager.OnDismissListener() {
+        @Override
+      public void onDismiss() {
+        trackController.show();
+      }
+    });
+
+    listView = (ListView) findViewById(R.id.track_list);
+    listView.setEmptyView(findViewById(R.id.track_list_empty_view));
+    listView.setOnItemClickListener(new OnItemClickListener() {
+        @Override
+      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        Intent newIntent = IntentUtils.newIntent(TrackListActivity.this, TrackDetailActivity.class)
+            .putExtra(TrackDetailActivity.EXTRA_TRACK_ID, id);
+        startActivity(newIntent);
+      }
+    });
+    sectionResourceCursorAdapter = new SectionResourceCursorAdapter(
+        this, R.layout.list_item, null, 0) {
+        @Override
+      public void bindView(View view, Context context, Cursor cursor) {
+        int idIndex = cursor.getColumnIndex(TracksColumns._ID);
+        int iconIndex = cursor.getColumnIndex(TracksColumns.ICON);
+        int nameIndex = cursor.getColumnIndex(TracksColumns.NAME);
+        int sharedOwnerIndex = cursor.getColumnIndex(TracksColumns.SHAREDOWNER);
+        int totalTimeIndex = cursor.getColumnIndexOrThrow(TracksColumns.TOTALTIME);
+        int totalDistanceIndex = cursor.getColumnIndexOrThrow(TracksColumns.TOTALDISTANCE);
+        int startTimeIndex = cursor.getColumnIndexOrThrow(TracksColumns.STARTTIME);        
+        int categoryIndex = cursor.getColumnIndex(TracksColumns.CATEGORY);
+        int descriptionIndex = cursor.getColumnIndex(TracksColumns.DESCRIPTION);
+
+        boolean isRecording = cursor.getLong(idIndex) == recordingTrackId;
+        String icon = cursor.getString(iconIndex);
+        int iconId = TrackIconUtils.getIconDrawable(icon);
+        String name = cursor.getString(nameIndex);
+        String sharedOwner = cursor.getString(sharedOwnerIndex);
+        String totalTime = StringUtils.formatElapsedTime(cursor.getLong(totalTimeIndex));
+        String totalDistance = StringUtils.formatDistance(
+            TrackListActivity.this, cursor.getDouble(totalDistanceIndex), metricUnits);
+        long startTime = cursor.getLong(startTimeIndex);        
+        String category = icon != null && !icon.equals("") ? null : cursor.getString(categoryIndex);    
+        String description = cursor.getString(descriptionIndex);
+
+        ListItemUtils.setListItem(TrackListActivity.this, view, isRecording, recordingTrackPaused,
+            iconId, R.string.icon_track, name, sharedOwner, totalTime, totalDistance, null,
+            startTime, category, description);
+      }
+    };
+    listView.setAdapter(sectionResourceCursorAdapter);
+    ApiAdapterFactory.getApiAdapter()
+        .configureListViewContextualMenu(this, listView, contextualActionModeCallback);
+
+    getSupportLoaderManager().initLoader(0, null, loaderCallbacks);
+    showStartupDialogs();
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+
+    // Register shared preferences listener
+    sharedPreferences.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+
+    // Update shared preferences
+    sharedPreferenceChangeListener.onSharedPreferenceChanged(null, null);
+
+    // Update track recording service connection
+    TrackRecordingServiceConnectionUtils.startConnection(this, trackRecordingServiceConnection);
+
+    AnalyticsUtils.sendPageViews(this, AnalyticsUtils.PAGE_TRACK_LIST);
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    
+    // Update UI
+    ApiAdapterFactory.getApiAdapter().invalidMenu(this);
+    getSupportLoaderManager().restartLoader(0, null, loaderCallbacks);
+    boolean isRecording = recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+    trackController.onResume(isRecording, recordingTrackPaused);
+  }
+
+  @Override
+  protected void onPause() {
+    super.onPause();
+
+    // Update UI
+    trackController.onPause();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+
+    // Unregister shared preferences listener
+    sharedPreferences.unregisterOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
+
+    trackRecordingServiceConnection.unbind();
+
+    AnalyticsUtils.dispatch();
+  }
+
+  @Override
+  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+    if (requestCode == GOOGLE_PLAY_SERVICES_REQUEST_CODE) {
+      checkGooglePlayServices();
+    } else {
+      super.onActivityResult(requestCode, resultCode, data);
+    }
+  }
+
+  @Override
+  protected int getLayoutResId() {
+    return R.layout.track_list;
+  }
+
+  @Override
+  protected boolean configureActionBarHomeAsUp() {
+    return false;
+  }
+
+  @Override
+  public boolean onCreateOptionsMenu(Menu menu) {
+    getMenuInflater().inflate(R.menu.track_list, menu);
+
+    menu.findItem(R.id.track_list_feedback)
+        .setVisible(ApiAdapterFactory.getApiAdapter().isGoogleFeedbackAvailable());
+
+    searchMenuItem = menu.findItem(R.id.track_list_search);
+    ApiAdapterFactory.getApiAdapter().configureSearchWidget(this, searchMenuItem, trackController);
+
+    startGpsMenuItem = menu.findItem(R.id.track_list_start_gps);
+    refreshMenuItem = menu.findItem(R.id.track_list_refresh);
+    exportAllMenuItem = menu.findItem(R.id.track_list_export_all);
+    importAllMenuItem = menu.findItem(R.id.track_list_import_all);
+    deleteAllMenuItem = menu.findItem(R.id.track_list_delete_all);
+    return true;
+  }
+  
+  @Override
+  public boolean onPrepareOptionsMenu(Menu menu) {
+    boolean isGpsStarted = TrackRecordingServiceConnectionUtils.isRecordingServiceRunning(this);
+    boolean isRecording = recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+    updateMenuItems(isGpsStarted, isRecording);
+    return super.onPrepareOptionsMenu(menu);
+  }
+  
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    Intent intent;
+    switch (item.getItemId()) {
+      case R.id.track_list_search:
+        return ApiAdapterFactory.getApiAdapter().handleSearchMenuSelection(this);
+      case R.id.track_list_start_gps:
+        MyTracksLocationManager myTracksLocationManager = new MyTracksLocationManager(
+            this, Looper.myLooper(), false);
+        if (!myTracksLocationManager.isGpsProviderEnabled()) {
+          intent = GoogleLocationUtils.isAvailable(TrackListActivity.this) ? new Intent(
+              GoogleLocationUtils.ACTION_GOOGLE_LOCATION_SETTINGS)
+              : new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
+          intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+          startActivity(intent);
+        } else {
+          startGps = !TrackRecordingServiceConnectionUtils.isRecordingServiceRunning(
+              this);      
+
+          // Show toast
+          Toast toast = Toast.makeText(
+              this, startGps ? R.string.gps_starting : R.string.gps_stopping, Toast.LENGTH_SHORT);
+          toast.setGravity(Gravity.CENTER, 0, 0);
+          toast.show();
+
+          // Invoke trackRecordingService
+          if (startGps) {
+            trackRecordingServiceConnection.startAndBind();
+            bindChangedCallback.run();
+          } else {
+            ITrackRecordingService trackRecordingService = trackRecordingServiceConnection
+                .getServiceIfBound();
+            if (trackRecordingService != null) {
+              try {
+                trackRecordingService.stopGps();
+              } catch (RemoteException e) {
+                Log.e(TAG, "Unable to stop gps.", e);
+              }
+            }
+            trackRecordingServiceConnection.unbindAndStop();
+          }
+          
+          // Update menu after starting or stopping gps
+          ApiAdapterFactory.getApiAdapter().invalidMenu(this);  
+        }
+        myTracksLocationManager.close();
+        return true;
+      case R.id.track_list_refresh:
+        if (driveSync) {
+          SyncUtils.syncNow(this);
+        } else {
+          PreferencesUtils.setString(
+              this, R.string.google_account_key, PreferencesUtils.GOOGLE_ACCOUNT_DEFAULT);
+          SendRequest sendRequest = new SendRequest(-1L);
+          sendRequest.setSendDrive(true);
+          sendRequest.setDriveSync(true);
+          sendRequest.setDriveSyncConfirm(true);
+          sendToGoogle(sendRequest);         
+        }
+        return true;
+      case R.id.track_list_aggregated_statistics:
+        intent = IntentUtils.newIntent(this, AggregatedStatsActivity.class);
+        startActivity(intent);
+        return true;
+      case R.id.track_list_export_all:
+        FileTypeDialogFragment.newInstance(R.id.track_list_export_all,
+            R.string.export_all_title, R.string.export_all_option, 4)
+            .show(getSupportFragmentManager(), FileTypeDialogFragment.FILE_TYPE_DIALOG_TAG);
+        return true;
+      case R.id.track_list_import_all:
+        FileTypeDialogFragment.newInstance(R.id.track_list_import_all,
+            R.string.import_selection_title, R.string.import_selection_option, 2)
+            .show(getSupportFragmentManager(), FileTypeDialogFragment.FILE_TYPE_DIALOG_TAG);
+        return true;
+      case R.id.track_list_delete_all:
+        ConfirmDeleteDialogFragment.newInstance(new long[] {-1L})
+            .show(getSupportFragmentManager(), ConfirmDeleteDialogFragment.CONFIRM_DELETE_DIALOG_TAG);
+        return true;
+      case R.id.track_list_settings:
+        intent = IntentUtils.newIntent(this, SettingsActivity.class);
+        startActivity(intent);
+        return true;
+      case R.id.track_list_feedback:
+        GoogleFeedbackUtils.bindFeedback(this);
+        return true;
+      case R.id.track_list_help:
+        intent = IntentUtils.newIntent(this, HelpActivity.class);
+        startActivity(intent);
+        return true;
+      default:
+        return super.onOptionsItemSelected(item);
+    }
+  }
+
+  @Override
+  public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
+    super.onCreateContextMenu(menu, v, menuInfo);
+    getMenuInflater().inflate(R.menu.list_context_menu, menu);
+
+    AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
+    contextualActionModeCallback.onPrepare(
+        menu, new int[] { info.position }, new long[] { info.id }, false);
+  }
+
+  @Override
+  public boolean onContextItemSelected(MenuItem item) {
+    AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
+    if (handleContextItem(item.getItemId(), new long[] { info.id })) {
+      return true;
+    }
+    return super.onContextItemSelected(item);
+  }
+
+  @Override
+  public boolean onKeyUp(int keyCode, KeyEvent event) {
+    if (keyCode == KeyEvent.KEYCODE_SEARCH && searchMenuItem != null) {
+      if (ApiAdapterFactory.getApiAdapter().handleSearchKey(searchMenuItem)) {
+        return true;
+      }
+    }
+    return super.onKeyUp(keyCode, event);
+  }
+
+  @Override
+  public boolean onSearchRequested() {
+    // Hide trackController when search dialog is shown
+    trackController.hide();
+    return super.onSearchRequested();
+  };
+
+  @Override
+  protected TrackRecordingServiceConnection getTrackRecordingServiceConnection() {
+    return trackRecordingServiceConnection;
+  }
+
+  @Override
+  protected void onDeleted() {
+    // Do nothing
+  }
+
+  @Override
+  public void onFileTypeDone(int menuId, TrackFileFormat trackFileFormat) {
+    Intent intent;
+    switch (menuId) {
+      case R.id.track_list_export_all:
+        AnalyticsUtils.sendPageViews(
+            this, AnalyticsUtils.ACTION_EXPORT_ALL_PREFIX + trackFileFormat.getExtension());
+        intent = IntentUtils.newIntent(this, SaveActivity.class)
+            .putExtra(SaveActivity.EXTRA_TRACK_IDS, new long[] {-1L})   
+            .putExtra(SaveActivity.EXTRA_TRACK_FILE_FORMAT, (Parcelable) trackFileFormat);
+        startActivity(intent);
+        break;
+      case R.id.track_list_import_all:
+        AnalyticsUtils.sendPageViews(
+            this, AnalyticsUtils.ACTION_IMPORT_ALL_PREFIX + trackFileFormat.getExtension());
+        intent = IntentUtils.newIntent(this, ImportActivity.class)
+            .putExtra(ImportActivity.EXTRA_IMPORT_ALL, true)
+            .putExtra(ImportActivity.EXTRA_TRACK_FILE_FORMAT, (Parcelable) trackFileFormat);
+        startActivity(intent);
+        break;
+      default:
+    }
+  }
+
+  /**
+   * Shows start up dialogs.
+   */
+  public void showStartupDialogs() {
+    if (!EulaUtils.hasAcceptEula(this)) {
+      Fragment fragment = getSupportFragmentManager()
+          .findFragmentByTag(EulaDialogFragment.EULA_DIALOG_TAG);
+      if (fragment == null) {
+        EulaDialogFragment.newInstance(false)
+            .show(getSupportFragmentManager(), EulaDialogFragment.EULA_DIALOG_TAG);
+      }
+    } else {
+      if (!EulaUtils.hasDefaultUnits(this)) {
+        String statsUnits = getString(
+            Locale.US.equals(Locale.getDefault()) ? R.string.stats_units_imperial
+                : R.string.stats_units_metric);
+        PreferencesUtils.setString(this, R.string.stats_units_key, statsUnits);        
+        EulaUtils.setDefaultUnits(this);
+      }
+      checkGooglePlayServices();
+    }
+  }
+
+  @Override
+  public void onEulaDone() {
+    if (EulaUtils.hasAcceptEula(this)) {
+      showStartupDialogs();
+      return;
+    }
+    finish();
+  }
+
+  private void checkGooglePlayServices() {
+    int code = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
+    if (code != ConnectionResult.SUCCESS) {
+      Dialog dialog = GooglePlayServicesUtil.getErrorDialog(
+          code, this, GOOGLE_PLAY_SERVICES_REQUEST_CODE, new DialogInterface.OnCancelListener() {
+
+              @Override
+            public void onCancel(DialogInterface dialogInterface) {
+              finish();
+            }
+          });
+      if (dialog != null) {
+        dialog.show();
+        return;
+      }
+    }
+    showEnableSync();
+  }
+
+  private void showEnableSync() {
+    if (EulaUtils.hasShowEnableSync(this)) {
+      Fragment fragment = getSupportFragmentManager()
+          .findFragmentByTag(EnableSyncDialogFragment.ENABLE_SYNC_DIALOG_TAG);
+      if (fragment == null) {
+        new EnableSyncDialogFragment().show(
+            getSupportFragmentManager(), EnableSyncDialogFragment.ENABLE_SYNC_DIALOG_TAG);
+      }
+    }
+  }
+
+  @Override
+  public void onEnableSyncDone(boolean enable) {
+    EulaUtils.setShowEnableSync(this);
+    if (enable) {
+      SendRequest sendRequest = new SendRequest(-1L);
+      sendRequest.setSendDrive(true);
+      sendRequest.setDriveSync(true);
+      sendToGoogle(sendRequest);
+    }
+  }
+
+  /**
+   * Updates the menu items.
+   * 
+   * @param isGpsStarted true if gps is started
+   * @param isRecording true if recording
+   */
+  private void updateMenuItems(boolean isGpsStarted, boolean isRecording) {
+    if (startGpsMenuItem != null) {
+      startGpsMenuItem.setVisible(!isRecording);
+      if (!isRecording) {
+        startGpsMenuItem.setTitle(isGpsStarted ? R.string.menu_stop_gps : R.string.menu_start_gps);
+        startGpsMenuItem.setIcon(
+            isGpsStarted ? R.drawable.ic_menu_stop_gps : R.drawable.ic_menu_start_gps);
+      }
+    }
+    if (refreshMenuItem != null) {
+      refreshMenuItem.setTitle(driveSync ? R.string.menu_refresh : R.string.menu_sync_drive);
+    }
+    if (exportAllMenuItem != null) {
+      exportAllMenuItem.setVisible(!isRecording);
+    }
+    if (importAllMenuItem != null) {
+      importAllMenuItem.setVisible(!isRecording);
+    }
+    if (deleteAllMenuItem != null) {
+      deleteAllMenuItem.setVisible(!isRecording);
+    }
+  }
+  
+  /**
+   * Starts a new recording.
+   */
+  private void startRecording() {
+    startNewRecording = true;
+    trackRecordingServiceConnection.startAndBind();
+
+    /*
+     * If the binding has happened, then invoke the callback to start a new
+     * recording. If the binding hasn't happened, then invoking the callback
+     * will have no effect. But when the binding occurs, the callback will get
+     * invoked.
+     */
+    bindChangedCallback.run();
+  }
+
+  /**
+   * Handles a context item selection.
+   * 
+   * @param itemId the menu item id
+   * @param trackIds the track ids
+   * @return true if handled.
+   */
+  private boolean handleContextItem(int itemId, long[] trackIds) {
+    switch (itemId) {
+      case R.id.list_context_menu_play:
+        playTrack(trackIds);
+        return true;
+      case R.id.list_context_menu_share:
+        shareTrack(trackIds[0]);
+        return true;
+      case R.id.list_context_menu_edit:
+        Intent intent = IntentUtils.newIntent(this, TrackEditActivity.class)
+            .putExtra(TrackEditActivity.EXTRA_TRACK_ID, trackIds[0]);
+        startActivity(intent);
+        return true;
+      case R.id.list_context_menu_delete:
+        if (trackIds.length > 1 && trackIds.length == listView.getCount()) {
+          trackIds = new long[] {-1L};
+        }
+        ConfirmDeleteDialogFragment.newInstance(trackIds)
+            .show(getSupportFragmentManager(), ConfirmDeleteDialogFragment.CONFIRM_DELETE_DIALOG_TAG);
+        return true;
+      case R.id.list_context_menu_select_all:
+        int size = listView.getCount();
+        for (int i = 0; i < size; i++) {
+          listView.setItemChecked(i, true);
+        }
+        return false;
+      default:
+        return false;
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/content/DataSource.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2011 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.content;
+
+import com.google.android.apps.mytracks.Constants;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.database.ContentObserver;
+import android.net.Uri;
+
+/**
+ * Data source on the phone.
+ * 
+ * @author Rodrigo Damazio
+ */
+public class DataSource {
+
+  private final ContentResolver contentResolver;
+  private final SharedPreferences sharedPreferences;
+  
+  public DataSource(Context context) {
+    contentResolver = context.getContentResolver();
+    sharedPreferences = context.getSharedPreferences(Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+  }
+
+  /**
+   * Registers a content observer.
+   * 
+   * @param uri the uri
+   * @param observer the observer
+   */
+  public void registerContentObserver(Uri uri, ContentObserver observer) {
+    contentResolver.registerContentObserver(uri, false, observer);
+  }
+
+  /**
+   * Unregisters a content observer.
+   * 
+   * @param observer the observer
+   */
+  public void unregisterContentObserver(ContentObserver observer) {
+    contentResolver.unregisterContentObserver(observer);
+  }
+
+  /**
+   * Registers a shared preference change listener.
+   * 
+   * @param listener the listener
+   */
+  public void registerOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) {
+    sharedPreferences.registerOnSharedPreferenceChangeListener(listener);
+  }
+
+  /**
+   * Unregisters a shared preference change listener.
+   * 
+   * @param listener the listener
+   */
+  public void unregisterOnSharedPreferenceChangeListener(
+      OnSharedPreferenceChangeListener listener) {
+    sharedPreferences.unregisterOnSharedPreferenceChangeListener(listener);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/content/DataSourceListener.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2011 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.content;
+
+
+/**
+ * Listener to be invoked when {@link DataSource} changes.
+ * 
+ * @author Jimmy Shih
+ */
+public interface DataSourceListener {
+
+  /**
+   * Notifies when the tracks table is updated.
+   */
+  public void notifyTracksTableUpdated();
+
+  /**
+   * Notifies when the waypoints table is updated.
+   */
+  public void notifyWaypointsTableUpdated();
+
+  /**
+   * Notifies when the track points table is updated.
+   */
+  public void notifyTrackPointsTableUpdated();
+
+  /**
+   * Notifies when a preference changes.
+   * 
+   * @param key the preference key
+   */
+  public void notifyPreferenceChanged(String key);
+}

MyTracks/src/com/google/android/apps/mytracks/content/DataSourceManager.java

@@ -0,0 +1,231 @@
+/*
+ * Copyright 2011 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.content;
+
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.database.ContentObserver;
+import android.os.Handler;
+import android.util.Log;
+
+import java.util.EnumSet;
+import java.util.Set;
+
+/**
+ * Data source manager. Creates observers/listeners and manages their
+ * registration with {@link DataSource}. The observers/listeners calls
+ * {@link DataSourceListener} when data changes.
+ * 
+ * @author Rodrigo Damazio
+ */
+public class DataSourceManager {
+
+  private static final String TAG = DataSourceManager.class.getSimpleName();
+  
+  /**
+   * Observer when the tracks table is updated.
+   * 
+   * @author Jimmy Shih
+   */
+  private class TracksTableObserver extends ContentObserver {
+
+    public TracksTableObserver() {
+      super(handler);
+    }
+
+    @Override
+    public void onChange(boolean selfChange) {
+      dataSourceListener.notifyTracksTableUpdated();
+    }
+  }
+
+  /**
+   * Observer when the waypoints table is updated.
+   * 
+   * @author Jimmy Shih
+   */
+  private class WaypointsTableObserver extends ContentObserver {
+
+    public WaypointsTableObserver() {
+      super(handler);
+    }
+
+    @Override
+    public void onChange(boolean selfChange) {
+      dataSourceListener.notifyWaypointsTableUpdated();
+    }
+  }
+
+  /**
+   * Observer when the track points table is updated.
+   * 
+   * @author Jimmy Shih
+   */
+  private class TrackPointsTableObserver extends ContentObserver {
+
+    public TrackPointsTableObserver() {
+      super(handler);
+    }
+
+    @Override
+    public void onChange(boolean selfChange) {
+      dataSourceListener.notifyTrackPointsTableUpdated();
+    }
+  }
+
+  /**
+   * Listener for preference changes.
+   * 
+   * @author Jimmy Shih
+   */
+  private class PreferenceListener implements OnSharedPreferenceChangeListener {
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+      dataSourceListener.notifyPreferenceChanged(key);
+    }
+  }
+
+  private final DataSource dataSource;
+  private final DataSourceListener dataSourceListener;
+
+  // Registered listeners
+  private final Set<TrackDataType> registeredListeners = EnumSet.noneOf(TrackDataType.class);
+  
+  private final Handler handler;
+  private final TracksTableObserver tracksTableObserver;
+  private final WaypointsTableObserver waypointsTableObserver;
+  private final TrackPointsTableObserver trackPointsTableObserver;
+  private final PreferenceListener preferenceListener;
+
+  public DataSourceManager(DataSource dataSource, DataSourceListener dataSourceListener) {
+    this.dataSource = dataSource;
+    this.dataSourceListener = dataSourceListener;
+
+    handler = new Handler();
+    tracksTableObserver = new TracksTableObserver();
+    waypointsTableObserver = new WaypointsTableObserver();
+    trackPointsTableObserver = new TrackPointsTableObserver();
+    preferenceListener = new PreferenceListener();
+  }
+
+  /**
+   * Updates listeners with data source.
+   * 
+   * @param listeners the listeners
+   */
+  public void updateListeners(EnumSet<TrackDataType> listeners) {
+    EnumSet<TrackDataType> neededListeners = EnumSet.copyOf(listeners);
+
+    /*
+     * Map SAMPLED_OUT_POINT_UPDATES to POINT_UPDATES since they correspond to
+     * the same internal listener
+     */
+    if (neededListeners.contains(TrackDataType.SAMPLED_OUT_TRACK_POINTS_TABLE)) {
+      neededListeners.remove(TrackDataType.SAMPLED_OUT_TRACK_POINTS_TABLE);
+      neededListeners.add(TrackDataType.SAMPLED_IN_TRACK_POINTS_TABLE);
+    }
+
+    Log.d(TAG, "Updating listeners " + neededListeners);
+
+    // Unnecessary = registered - needed
+    Set<TrackDataType> unnecessaryListeners = EnumSet.copyOf(registeredListeners);
+    unnecessaryListeners.removeAll(neededListeners);
+
+    // Missing = needed - registered
+    Set<TrackDataType> missingListeners = EnumSet.copyOf(neededListeners);
+    missingListeners.removeAll(registeredListeners);
+
+    // Remove unnecessary listeners
+    for (TrackDataType trackDataType : unnecessaryListeners) {
+      unregisterListener(trackDataType);
+    }
+
+    // Add missing listeners
+    for (TrackDataType trackDataType : missingListeners) {
+      registerListener(trackDataType);
+    }
+
+    // Update registered listeners
+    registeredListeners.clear();
+    registeredListeners.addAll(neededListeners);
+  }
+
+  /**
+   * Registers a listener with data source.
+   * 
+   * @param trackDataType the listener data type
+   */
+  private void registerListener(TrackDataType trackDataType) {
+    switch (trackDataType) {
+      case TRACKS_TABLE:
+        dataSource.registerContentObserver(TracksColumns.CONTENT_URI, tracksTableObserver);
+        break;
+      case WAYPOINTS_TABLE:
+        dataSource.registerContentObserver(WaypointsColumns.CONTENT_URI, waypointsTableObserver);
+        break;
+      case SAMPLED_IN_TRACK_POINTS_TABLE:
+        dataSource.registerContentObserver(
+            TrackPointsColumns.CONTENT_URI, trackPointsTableObserver);
+        break;
+      case SAMPLED_OUT_TRACK_POINTS_TABLE:
+        // Do nothing. SAMPLED_OUT_POINT_UPDATES is mapped to POINT_UPDATES.
+        break;
+      case PREFERENCE:
+        dataSource.registerOnSharedPreferenceChangeListener(preferenceListener);
+        break;
+      default:
+        break;
+    }
+  }
+
+  /**
+   * Unregisters a listener with data source.
+   * 
+   * @param trackDataType listener data type
+   */
+  private void unregisterListener(TrackDataType trackDataType) {
+    switch (trackDataType) {
+      case TRACKS_TABLE:
+        dataSource.unregisterContentObserver(tracksTableObserver);
+        break;
+      case WAYPOINTS_TABLE:
+        dataSource.unregisterContentObserver(waypointsTableObserver);
+        break;
+      case SAMPLED_IN_TRACK_POINTS_TABLE:
+        dataSource.unregisterContentObserver(trackPointsTableObserver);
+        break;
+      case SAMPLED_OUT_TRACK_POINTS_TABLE:
+        // Do nothing. SAMPLED_OUT_POINT_UPDATES is mapped to POINT_UPDATES.
+        break;
+      case PREFERENCE:
+        dataSource.unregisterOnSharedPreferenceChangeListener(preferenceListener);
+        break;
+      default:
+        break;
+    }
+  }
+
+  /**
+   * Unregisters all listeners with data source.
+   */
+  public void unregisterAllListeners() {
+    for (TrackDataType trackDataType : TrackDataType.values()) {
+      unregisterListener(trackDataType);
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/content/DescriptionGeneratorImpl.java

@@ -0,0 +1,268 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.content;
+
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.util.ChartURLGenerator;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.apps.mytracks.util.UnitConversions;
+import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.content.Context;
+
+import java.util.Vector;
+
+/**
+ * An implementation of {@link DescriptionGenerator} for My Tracks.
+ *
+ * @author Jimmy Shih
+ */
+public class DescriptionGeneratorImpl implements DescriptionGenerator {
+
+  private static final String HTML_LINE_BREAK = "<br>";
+  private static final String HTML_PARAGRAPH_SEPARATOR = "<p>";
+  private static final String TEXT_LINE_BREAK = "\n";
+  private static final String TEXT_PARAGRAPH_SEPARATOR = "\n\n";
+
+  private Context context;
+
+  public DescriptionGeneratorImpl(Context context) {
+    this.context = context;
+  }
+
+  @Override
+  public String generateTrackDescription(
+      Track track, Vector<Double> distances, Vector<Double> elevations, boolean html) {
+    String paragraphSeparator = html ? HTML_PARAGRAPH_SEPARATOR : TEXT_PARAGRAPH_SEPARATOR;
+    String lineBreak = html ? HTML_LINE_BREAK : TEXT_LINE_BREAK;
+    StringBuilder builder = new StringBuilder();
+
+    // Created by
+    String beginAnchor = html 
+        ? "<a href='http://" + context.getString(R.string.my_tracks_web_url) + "'>"
+        : "";
+    String endAnchor = html ? "</a>" : "";
+    builder.append(context.getString(R.string.send_google_by_my_tracks, beginAnchor, endAnchor));
+    builder.append(paragraphSeparator);
+
+    writeString(track.getName(), builder, R.string.generic_name_line, lineBreak);
+    writeString(track.getCategory(), builder, R.string.description_activity_type, lineBreak);
+    writeString(track.getDescription(), builder, R.string.generic_description_line, lineBreak);
+    builder.append(generateTripStatisticsDescription(track.getTripStatistics(), html));
+
+    // Elevation chart
+    if (html && distances != null && elevations != null) {
+      builder.append("<img border=\"0\" src=\""
+          + ChartURLGenerator.getChartUrl(distances, elevations, track, context) + "\"/>");
+      builder.append(HTML_LINE_BREAK);
+    }
+    return builder.toString();
+  }
+
+  @Override
+  public String generateWaypointDescription(TripStatistics tripStatistics) {
+    return generateTripStatisticsDescription(tripStatistics, false);
+  }
+
+  /**
+   * Writes a string to a string builder.
+   * 
+   * @param text the string
+   * @param builder the string builder
+   * @param resId the resource id containing one string placeholder
+   * @param lineBreak the line break
+   */
+  private void writeString(String text, StringBuilder builder, int resId, String lineBreak) {
+    if (text == null || text.length() == 0) {
+      text = context.getString(R.string.value_unknown);
+    }
+    builder.append(context.getString(resId, text));
+    builder.append(lineBreak);
+  }
+
+  /**
+   * Generates a description for a {@link TripStatistics}.
+   *
+   * @param stats the trip statistics
+   * @param html true to use "<br>" for line break instead of "\n"
+   */
+  private String generateTripStatisticsDescription(TripStatistics stats, boolean html) {
+    String lineBreak = html ? HTML_LINE_BREAK : TEXT_LINE_BREAK;
+    StringBuilder builder = new StringBuilder();
+
+    // Total distance
+    writeDistance(
+        stats.getTotalDistance(), builder, R.string.description_total_distance, lineBreak);
+
+    // Total time
+    writeTime(stats.getTotalTime(), builder, R.string.description_total_time, lineBreak);
+
+    // Moving time
+    writeTime(stats.getMovingTime(), builder, R.string.description_moving_time, lineBreak);
+
+    // Average speed
+    writeSpeed(stats.getAverageSpeed(), builder, R.string.description_average_speed, lineBreak);
+
+    // Average moving speed
+    writeSpeed(stats.getAverageMovingSpeed(), builder, R.string.description_average_moving_speed,
+        lineBreak);
+
+    // Max speed
+    writeSpeed(stats.getMaxSpeed(), builder, R.string.description_max_speed, lineBreak);
+
+    // Average pace
+    writePace(
+        stats.getAverageSpeed(), builder, R.string.description_average_pace_in_minute, lineBreak);
+
+    // Average moving pace
+    writePace(stats.getAverageMovingSpeed(), builder,
+        R.string.description_average_moving_pace_in_minute, lineBreak);
+
+    // Fastest pace
+    writePace(stats.getMaxSpeed(), builder, R.string.description_fastest_pace_in_minute, lineBreak);
+
+    // Max elevation
+    writeElevation(stats.getMaxElevation(), builder, R.string.description_max_elevation, lineBreak);
+
+    // Min elevation
+    writeElevation(stats.getMinElevation(), builder, R.string.description_min_elevation, lineBreak);
+
+    // Elevation gain
+    writeElevation(
+        stats.getTotalElevationGain(), builder, R.string.description_elevation_gain, lineBreak);
+
+    // Max grade
+    writeGrade(stats.getMaxGrade(), builder, R.string.description_max_grade, lineBreak);
+
+    // Min grade
+    writeGrade(stats.getMinGrade(), builder, R.string.description_min_grade, lineBreak);
+
+    // Recorded time
+    builder.append(
+        context.getString(R.string.description_recorded_time,
+            StringUtils.formatDateTime(context, stats.getStartTime())));
+    builder.append(lineBreak);
+
+    return builder.toString();
+  }
+
+  /**
+   * Writes distance.
+   *
+   * @param distance distance in meters
+   * @param builder StringBuilder to append distance
+   * @param resId resource id of distance string
+   * @param lineBreak line break string
+   */
+  @VisibleForTesting
+  void writeDistance(double distance, StringBuilder builder, int resId, String lineBreak) {
+    double distanceInKm = distance * UnitConversions.M_TO_KM;
+    double distanceInMi = distanceInKm * UnitConversions.KM_TO_MI;
+    builder.append(context.getString(resId, distanceInKm, distanceInMi));
+    builder.append(lineBreak);
+  }
+
+  /**
+   * Writes time.
+   *
+   * @param time time in milliseconds.
+   * @param builder StringBuilder to append time
+   * @param resId resource id of time string
+   * @param lineBreak line break string
+   */
+  @VisibleForTesting
+  void writeTime(long time, StringBuilder builder, int resId, String lineBreak) {
+    builder.append(context.getString(resId, StringUtils.formatElapsedTime(time)));
+    builder.append(lineBreak);
+  }
+
+  /**
+   * Writes speed.
+   *
+   * @param speed speed in meters per second
+   * @param builder StringBuilder to append speed
+   * @param resId resource id of speed string
+   * @param lineBreak line break string
+   */
+  @VisibleForTesting
+  void writeSpeed(
+      double speed, StringBuilder builder, int resId, String lineBreak) {
+    double speedInKmHr = speed * UnitConversions.MS_TO_KMH;
+    double speedInMiHr = speedInKmHr * UnitConversions.KM_TO_MI;
+    builder.append(context.getString(resId, speedInKmHr, speedInMiHr));
+    builder.append(lineBreak);
+  }
+
+  /**
+   * Writes pace.
+   * 
+   * @param speed speed in meters per second
+   * @param builder StringBuilder to append pace
+   * @param resId resource id of pace string
+   * @param lineBreak line break string
+   */
+  @VisibleForTesting
+  void writePace(double speed, StringBuilder builder, int resId, String lineBreak) {
+    String[] paceInMetrics = StringUtils.getSpeedParts(context, speed, true, false);
+    String[] paceInImperial = StringUtils.getSpeedParts(context, speed, false, false);
+
+    if (paceInMetrics[0] == null) {
+      paceInMetrics[0] = context.getString(R.string.value_unknown);
+    }
+
+    if (paceInImperial[0] == null) {
+      paceInImperial[0] = context.getString(R.string.value_unknown);
+    }
+
+    builder.append(context.getString(resId, paceInMetrics[0], paceInImperial[0]));
+    builder.append(lineBreak);
+  }
+
+  /**
+   * Writes elevation.
+   *
+   * @param elevation elevation in meters
+   * @param builder StringBuilder to append elevation
+   * @param resId resource id of elevation string
+   * @param lineBreak line break string
+   */
+  @VisibleForTesting
+  void writeElevation(
+      double elevation, StringBuilder builder, int resId, String lineBreak) {
+    long elevationInM = Math.round(elevation);
+    long elevationInFt = Math.round(elevation * UnitConversions.M_TO_FT);
+    builder.append(context.getString(resId, elevationInM, elevationInFt));
+    builder.append(lineBreak);
+  }
+
+  /**
+   * Writes grade.
+   *
+   * @param grade grade in fraction
+   * @param builder StringBuilder to append grade
+   * @param resId resource id grade string
+   * @param lineBreak line break string
+   */
+  @VisibleForTesting
+  void writeGrade(double grade, StringBuilder builder, int resId, String lineBreak) {
+    long gradeInPercent = Double.isNaN(grade) || Double.isInfinite(grade) ? 0L
+        : Math.round(grade * 100);
+    builder.append(context.getString(resId, gradeInPercent));
+    builder.append(lineBreak);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/content/MyTracksProvider.java

@@ -0,0 +1,568 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.content;
+
+import com.google.android.apps.mytracks.io.sync.SyncUtils;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.content.ContentProvider;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.UriMatcher;
+import android.database.Cursor;
+import android.database.SQLException;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteException;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.database.sqlite.SQLiteQueryBuilder;
+import android.net.Uri;
+import android.os.Binder;
+import android.os.ParcelFileDescriptor;
+import android.os.Process;
+import android.text.TextUtils;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+
+/**
+ * A {@link ContentProvider} that handles access to track points, tracks, and
+ * waypoints tables.
+ * 
+ * @author Leif Hendrik Wilden
+ */
+public class MyTracksProvider extends ContentProvider {
+
+  private static final String TAG = MyTracksProvider.class.getSimpleName();
+  @VisibleForTesting
+  static final int DATABASE_VERSION = 22;
+
+  @VisibleForTesting
+  static final String DATABASE_NAME = "mytracks.db";
+
+  /**
+   * Database helper for creating and upgrading the database.
+   */
+  @VisibleForTesting
+  static class DatabaseHelper extends SQLiteOpenHelper {
+
+    public DatabaseHelper(Context context) {
+      this(context, DATABASE_NAME);
+    }
+
+    @VisibleForTesting
+    public DatabaseHelper(Context context, String databaseName) {
+      super(context, databaseName, null, DATABASE_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+      db.execSQL(TrackPointsColumns.CREATE_TABLE);
+      db.execSQL(TracksColumns.CREATE_TABLE);
+      db.execSQL(WaypointsColumns.CREATE_TABLE);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+      Log.w(TAG, "Upgrading database from version " + oldVersion + " to " + newVersion);
+      if (oldVersion < 17) {
+        Log.w(TAG, "Deleting all old data.");
+        db.execSQL("DROP TABLE IF EXISTS " + TrackPointsColumns.TABLE_NAME);
+        db.execSQL("DROP TABLE IF EXISTS " + TracksColumns.TABLE_NAME);
+        db.execSQL("DROP TABLE IF EXISTS " + WaypointsColumns.TABLE_NAME);
+        onCreate(db);
+      } else {
+        // Incremental upgrades. One if statement per DB version.
+
+        // Add track points SENSOR column
+        if (oldVersion <= 17) {
+          Log.w(TAG, "Upgrade DB: Adding sensor column.");
+          db.execSQL("ALTER TABLE " + TrackPointsColumns.TABLE_NAME + " ADD "
+              + TrackPointsColumns.SENSOR + " BLOB");
+        }
+
+        // Add tracks TABLEID column
+        if (oldVersion <= 18) {
+          Log.w(TAG, "Upgrade DB: Adding tableid column.");
+          db.execSQL("ALTER TABLE " + TracksColumns.TABLE_NAME + " ADD " + TracksColumns.TABLEID
+              + " STRING");
+        }
+
+        // Add tracks ICON column
+        if (oldVersion <= 19) {
+          Log.w(TAG, "Upgrade DB: Adding icon column.");
+          db.execSQL(
+              "ALTER TABLE " + TracksColumns.TABLE_NAME + " ADD " + TracksColumns.ICON + " STRING");
+        }
+
+        // Add track DRIVEID, MODIFIEDTIME, and SHAREDWITHME columns
+        if (oldVersion <= 20) {
+          Log.w(TAG, "Upgrade DB: Adding driveid column.");
+          db.execSQL("ALTER TABLE " + TracksColumns.TABLE_NAME + " ADD " + TracksColumns.DRIVEID
+              + " STRING");
+          Log.w(TAG, "Upgrade DB: Adding modifiedtime column.");
+          db.execSQL("ALTER TABLE " + TracksColumns.TABLE_NAME + " ADD "
+              + TracksColumns.MODIFIEDTIME + " INTEGER");
+          Log.w(TAG, "Upgrade DB: Adding sharedwithme column.");
+          db.execSQL("ALTER TABLE " + TracksColumns.TABLE_NAME + " ADD "
+              + TracksColumns.SHAREDWITHME + " INTEGER");
+          Log.w(TAG, "Upgrade DB: Adding sharedowner column.");
+          db.execSQL("ALTER TABLE " + TracksColumns.TABLE_NAME + " ADD " + TracksColumns.SHAREDOWNER
+              + " STRING");
+        }
+        
+        if (oldVersion <= 21) {
+          Log.w(TAG, "Upgrade DB: Adding photo url column.");
+          db.execSQL("ALTER TABLE " + WaypointsColumns.TABLE_NAME + " ADD " + WaypointsColumns.PHOTOURL
+              + " STRING");
+          Log.w(TAG, "Upgrade DB: Adding track calorie column.");
+          db.execSQL("ALTER TABLE " + TracksColumns.TABLE_NAME + " ADD " + TracksColumns.CALORIE
+              + " INTEGER");
+        }
+      }
+    }
+  }
+
+  /**
+   * Types of url.
+   * 
+   * @author Jimmy Shih
+   */
+  @VisibleForTesting
+  enum UrlType {
+    TRACKPOINTS, TRACKPOINTS_ID, TRACKS, TRACKS_ID, WAYPOINTS, WAYPOINTS_ID
+  }
+
+  private final UriMatcher uriMatcher;
+  private SQLiteDatabase db;
+
+  public MyTracksProvider() {
+    uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+    uriMatcher.addURI(MyTracksProviderUtils.AUTHORITY, TrackPointsColumns.TABLE_NAME,
+        UrlType.TRACKPOINTS.ordinal());
+    uriMatcher.addURI(MyTracksProviderUtils.AUTHORITY, TrackPointsColumns.TABLE_NAME + "/#",
+        UrlType.TRACKPOINTS_ID.ordinal());
+    uriMatcher.addURI(
+        MyTracksProviderUtils.AUTHORITY, TracksColumns.TABLE_NAME, UrlType.TRACKS.ordinal());
+    uriMatcher.addURI(MyTracksProviderUtils.AUTHORITY, TracksColumns.TABLE_NAME + "/#",
+        UrlType.TRACKS_ID.ordinal());
+    uriMatcher.addURI(
+        MyTracksProviderUtils.AUTHORITY, WaypointsColumns.TABLE_NAME, UrlType.WAYPOINTS.ordinal());
+    uriMatcher.addURI(MyTracksProviderUtils.AUTHORITY, WaypointsColumns.TABLE_NAME + "/#",
+        UrlType.WAYPOINTS_ID.ordinal());
+  }
+
+  @Override
+  public boolean onCreate() {
+    return onCreate(getContext());
+  }
+
+  /**
+   * Helper method to make onCreate is testable.
+   * 
+   * @param context context to creates database
+   * @return true means run successfully
+   */
+  @VisibleForTesting
+  boolean onCreate(Context context) {
+    if (!canAccess()) {
+      return false;
+    }
+    DatabaseHelper databaseHelper = new DatabaseHelper(context);
+    try {
+      db = databaseHelper.getWritableDatabase();
+    } catch (SQLiteException e) {
+      Log.e(TAG, "Unable to open database for writing.", e);
+    }
+    return db != null;
+  }
+
+  @Override
+  public int delete(Uri url, String where, String[] selectionArgs) {
+    if (!canAccess()) {
+      return 0;
+    }
+    String table;
+    boolean shouldVacuum = false;
+    switch (getUrlType(url)) {
+      case TRACKPOINTS:
+        table = TrackPointsColumns.TABLE_NAME;
+        break;
+      case TRACKS:
+        table = TracksColumns.TABLE_NAME;
+        shouldVacuum = true;
+        break;
+      case WAYPOINTS:
+        table = WaypointsColumns.TABLE_NAME;
+        break;
+      default:
+        throw new IllegalArgumentException("Unknown URL " + url);
+    }
+
+    boolean driveSync = false;
+    String driveIds = "";
+    if (table.equals(TracksColumns.TABLE_NAME)) {
+      driveSync = PreferencesUtils.getBoolean(
+          getContext(), R.string.drive_sync_key, PreferencesUtils.DRIVE_SYNC_DEFAULT);
+      if (driveSync) {
+        driveIds = where != null ? getDriveIds(null, where, selectionArgs)
+            : getDriveIds(
+                new String[] { TracksColumns.DRIVEID }, SyncUtils.DRIVE_ID_TRACKS_QUERY, null);
+      }
+    }
+
+    Log.w(MyTracksProvider.TAG, "Deleting table " + table);
+    int count;
+    try {
+      db.beginTransaction();
+      count = db.delete(table, where, selectionArgs);
+      db.setTransactionSuccessful();
+    } finally {
+      db.endTransaction();
+    }
+    getContext().getContentResolver().notifyChange(url, null, false);
+    
+    if (driveSync && table.equals(TracksColumns.TABLE_NAME)) {
+      String driveDeletedList = PreferencesUtils.getString(getContext(),
+          R.string.drive_deleted_list_key, PreferencesUtils.DRIVE_DELETED_LIST_DEFAULT);
+      if (driveDeletedList.equals(PreferencesUtils.DRIVE_DELETED_LIST_DEFAULT)) {
+        driveDeletedList = driveIds;
+      } else {
+        driveDeletedList += ";" + driveIds;
+      }
+      PreferencesUtils.setString(getContext(), R.string.drive_deleted_list_key, driveDeletedList);
+    }    
+
+    if (shouldVacuum) {
+      // If a potentially large amount of data was deleted, reclaim its space.
+      Log.i(TAG, "Vacuuming the database.");
+      db.execSQL("VACUUM");
+    }
+    return count;
+  }
+
+  @Override
+  public String getType(Uri url) {
+    if (!canAccess()) {
+      return null;
+    }
+    switch (getUrlType(url)) {
+      case TRACKPOINTS:
+        return TrackPointsColumns.CONTENT_TYPE;
+      case TRACKPOINTS_ID:
+        return TrackPointsColumns.CONTENT_ITEMTYPE;
+      case TRACKS:
+        return TracksColumns.CONTENT_TYPE;
+      case TRACKS_ID:
+        return TracksColumns.CONTENT_ITEMTYPE;
+      case WAYPOINTS:
+        return WaypointsColumns.CONTENT_TYPE;
+      case WAYPOINTS_ID:
+        return WaypointsColumns.CONTENT_ITEMTYPE;
+      default:
+        throw new IllegalArgumentException("Unknown URL " + url);
+    }
+  }
+
+  @Override
+  public Uri insert(Uri url, ContentValues initialValues) {
+    if (!canAccess()) {
+      return null;
+    }
+    if (initialValues == null) {
+      initialValues = new ContentValues();
+    }
+    Uri result = null;
+    try {
+      db.beginTransaction();
+      result = insertContentValues(url, getUrlType(url), initialValues);
+      db.setTransactionSuccessful();
+    } finally {
+      db.endTransaction();
+    }
+    getContext().getContentResolver().notifyChange(url, null, false);
+    return result;
+  }
+
+  @Override
+  public int bulkInsert(Uri url, ContentValues[] valuesBulk) {
+    if (!canAccess()) {
+      return 0;
+    }
+    int numInserted = 0;
+    try {
+      // Use a transaction in order to make the insertions run as a single batch
+      db.beginTransaction();
+
+      UrlType urlType = getUrlType(url);
+      for (numInserted = 0; numInserted < valuesBulk.length; numInserted++) {
+        ContentValues contentValues = valuesBulk[numInserted];
+        if (contentValues == null) {
+          contentValues = new ContentValues();
+        }
+        insertContentValues(url, urlType, contentValues);
+      }
+      db.setTransactionSuccessful();
+    } finally {
+      db.endTransaction();
+    }
+    getContext().getContentResolver().notifyChange(url, null, false);
+    return numInserted;
+  }
+
+  @Override
+  public Cursor query(
+      Uri url, String[] projection, String selection, String[] selectionArgs, String sort) {
+    if (!canAccess()) {
+      return null;
+    }
+    SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
+    String sortOrder = null;
+    switch (getUrlType(url)) {
+      case TRACKPOINTS:
+        queryBuilder.setTables(TrackPointsColumns.TABLE_NAME);
+        sortOrder = sort != null ? sort : TrackPointsColumns.DEFAULT_SORT_ORDER;
+        break;
+      case TRACKPOINTS_ID:
+        queryBuilder.setTables(TrackPointsColumns.TABLE_NAME);
+        queryBuilder.appendWhere("_id=" + url.getPathSegments().get(1));
+        break;
+      case TRACKS:
+        queryBuilder.setTables(TracksColumns.TABLE_NAME);
+        sortOrder = sort != null ? sort : TracksColumns.DEFAULT_SORT_ORDER;
+        break;
+      case TRACKS_ID:
+        queryBuilder.setTables(TracksColumns.TABLE_NAME);
+        queryBuilder.appendWhere("_id=" + url.getPathSegments().get(1));
+        break;
+      case WAYPOINTS:
+        queryBuilder.setTables(WaypointsColumns.TABLE_NAME);
+        sortOrder = sort != null ? sort : WaypointsColumns.DEFAULT_SORT_ORDER;
+        break;
+      case WAYPOINTS_ID:
+        queryBuilder.setTables(WaypointsColumns.TABLE_NAME);
+        queryBuilder.appendWhere("_id=" + url.getPathSegments().get(1));
+        break;
+      default:
+        throw new IllegalArgumentException("Unknown url " + url);
+    }
+    Cursor cursor = queryBuilder.query(
+        db, projection, selection, selectionArgs, null, null, sortOrder);
+    cursor.setNotificationUri(getContext().getContentResolver(), url);
+    return cursor;
+  }
+
+  @Override
+  public int update(Uri url, ContentValues values, String where, String[] selectionArgs) {
+    if (!canAccess()) {
+      return 0;
+    }
+    String table;
+    String whereClause;
+    switch (getUrlType(url)) {
+      case TRACKPOINTS:
+        table = TrackPointsColumns.TABLE_NAME;
+        whereClause = where;
+        break;
+      case TRACKPOINTS_ID:
+        table = TrackPointsColumns.TABLE_NAME;
+        whereClause = TrackPointsColumns._ID + "=" + url.getPathSegments().get(1);
+        if (!TextUtils.isEmpty(where)) {
+          whereClause += " AND (" + where + ")";
+        }
+        break;
+      case TRACKS:
+        table = TracksColumns.TABLE_NAME;
+        whereClause = where;
+        break;
+      case TRACKS_ID:
+        table = TracksColumns.TABLE_NAME;
+        whereClause = TracksColumns._ID + "=" + url.getPathSegments().get(1);
+        if (!TextUtils.isEmpty(where)) {
+          whereClause += " AND (" + where + ")";
+        }
+        break;
+      case WAYPOINTS:
+        table = WaypointsColumns.TABLE_NAME;
+        whereClause = where;
+        break;
+      case WAYPOINTS_ID:
+        table = WaypointsColumns.TABLE_NAME;
+        whereClause = WaypointsColumns._ID + "=" + url.getPathSegments().get(1);
+        if (!TextUtils.isEmpty(where)) {
+          whereClause += " AND (" + where + ")";
+        }
+        break;
+      default:
+        throw new IllegalArgumentException("Unknown url " + url);
+    }
+    int count;
+    try {
+      db.beginTransaction();
+      count = db.update(table, values, whereClause, selectionArgs);
+      db.setTransactionSuccessful();
+    } finally {
+      db.endTransaction();
+    }
+    getContext().getContentResolver().notifyChange(url, null, false);
+    return count;
+  }
+
+  @Override
+  public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
+    try {
+      File file = new File(uri.getPath());
+      if (file.exists()) {
+        return ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
+      }
+      throw new FileNotFoundException(uri.getPath());
+    } finally {
+      File dir = new File(getContext().getCacheDir(), FileUtils.PLAY_TRACKS_DIR);
+      for (File file : dir.listFiles()) {
+        file.delete();
+      }
+    }
+  }
+  
+  /**
+   * Returns true if the caller can access the content provider.
+   */
+  private boolean canAccess() {
+    if (Binder.getCallingPid() == Process.myPid()) {
+      return true;
+    } else {
+      return PreferencesUtils.getBoolean(
+          getContext(), R.string.allow_access_key, PreferencesUtils.ALLOW_ACCESS_DEFAULT);
+    }
+  }
+
+  /**
+   * Gets the {@link UrlType} for a url.
+   * 
+   * @param url the url
+   */
+  private UrlType getUrlType(Uri url) {
+    return UrlType.values()[uriMatcher.match(url)];
+  }
+
+  /**
+   * Inserts a content based on the url type.
+   * 
+   * @param url the content url
+   * @param urlType the url type
+   * @param contentValues the content values
+   */
+  private Uri insertContentValues(Uri url, UrlType urlType, ContentValues contentValues) {
+    switch (urlType) {
+      case TRACKPOINTS:
+        return insertTrackPoint(url, contentValues);
+      case TRACKS:
+        return insertTrack(url, contentValues);
+      case WAYPOINTS:
+        return insertWaypoint(url, contentValues);
+      default:
+        throw new IllegalArgumentException("Unknown url " + url);
+    }
+  }
+
+  /**
+   * Inserts a track point.
+   * 
+   * @param url the content url
+   * @param values the content values
+   */
+  private Uri insertTrackPoint(Uri url, ContentValues values) {
+    boolean hasLatitude = values.containsKey(TrackPointsColumns.LATITUDE);
+    boolean hasLongitude = values.containsKey(TrackPointsColumns.LONGITUDE);
+    boolean hasTime = values.containsKey(TrackPointsColumns.TIME);
+    if (!hasLatitude || !hasLongitude || !hasTime) {
+      throw new IllegalArgumentException("Latitude, longitude, and time values are required.");
+    }
+    long rowId = db.insert(TrackPointsColumns.TABLE_NAME, TrackPointsColumns._ID, values);
+    if (rowId >= 0) {
+      return ContentUris.appendId(TrackPointsColumns.CONTENT_URI.buildUpon(), rowId).build();
+    }
+    throw new SQLiteException("Failed to insert a track point " + url);
+  }
+
+  /**
+   * Inserts a track.
+   * 
+   * @param url the content url
+   * @param contentValues the content values
+   */
+  private Uri insertTrack(Uri url, ContentValues contentValues) {
+    boolean hasStartTime = contentValues.containsKey(TracksColumns.STARTTIME);
+    boolean hasStartId = contentValues.containsKey(TracksColumns.STARTID);
+    if (!hasStartTime || !hasStartId) {
+      throw new IllegalArgumentException("Both start time and start id values are required.");
+    }
+    long rowId = db.insert(TracksColumns.TABLE_NAME, TracksColumns._ID, contentValues);
+    if (rowId >= 0) {
+      return ContentUris.appendId(TracksColumns.CONTENT_URI.buildUpon(), rowId).build();
+    }
+    throw new SQLException("Failed to insert a track " + url);
+  }
+
+  /**
+   * Inserts a waypoint.
+   * 
+   * @param url the content url
+   * @param contentValues the content values
+   */
+  private Uri insertWaypoint(Uri url, ContentValues contentValues) {
+    long rowId = db.insert(WaypointsColumns.TABLE_NAME, WaypointsColumns._ID, contentValues);
+    if (rowId >= 0) {
+      return ContentUris.appendId(WaypointsColumns.CONTENT_URI.buildUpon(), rowId).build();
+    }
+    throw new SQLException("Failed to insert a waypoint " + url);
+  }
+
+  /**
+   * Gets a list of dirve ids.
+   * 
+   * @param projection the projection
+   * @param where where
+   * @param selectionArgs selection args
+   */
+  private String getDriveIds(String[] projection, String where, String[] selectionArgs) {
+    ArrayList<String> driveIds = new ArrayList<String>();
+    Cursor cursor = null;
+    try {
+      cursor = query(TracksColumns.CONTENT_URI, projection, where, selectionArgs, null);
+      if (cursor != null && cursor.moveToFirst()) {
+        int index = cursor.getColumnIndex(TracksColumns.DRIVEID);
+        do {
+          String driveId = cursor.getString(index);
+          if (driveId != null && !driveId.equals("")) {
+            driveIds.add(driveId);
+          }
+        } while (cursor.moveToNext());
+      }
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+    return TextUtils.join(";", driveIds);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/content/SearchEngine.java

@@ -0,0 +1,409 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.content;
+
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.UnitConversions;
+
+import android.database.Cursor;
+import android.location.Location;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.Locale;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+/**
+ * Engine for searching for tracks and waypoints by text.
+ *
+ * @author Rodrigo Damazio
+ */
+public class SearchEngine {
+
+  /** WHERE query to get tracks by name. */
+  private static final String TRACK_SELECTION_QUERY =
+      TracksColumns.NAME + " LIKE ? OR " +
+      TracksColumns.DESCRIPTION + " LIKE ? OR " +
+      TracksColumns.CATEGORY + " LIKE ?";
+
+  /** WHERE query to get waypoints by name. */
+  private static final String WAYPOINT_SELECTION_QUERY =
+      WaypointsColumns.NAME + " LIKE ? OR " +
+      WaypointsColumns.DESCRIPTION + " LIKE ? OR " +
+      WaypointsColumns.CATEGORY + " LIKE ?";
+
+  /** Order of track results. */
+  private static final String TRACK_SELECTION_ORDER = TracksColumns._ID + " DESC LIMIT 1000";
+
+  /** Order of waypoint results. */
+  private static final String WAYPOINT_SELECTION_ORDER = WaypointsColumns._ID + " DESC";
+
+  /** How much we promote a match in the track category. */
+  private static final double TRACK_CATEGORY_PROMOTION = 2.0;
+
+  /** How much we promote a match in the track description. */
+  private static final double TRACK_DESCRIPTION_PROMOTION = 8.0;
+
+  /** How much we promote a match in the track name. */
+  private static final double TRACK_NAME_PROMOTION = 16.0;
+
+  /** How much we promote a waypoint result if it's in the currently-selected track. */
+  private static final double CURRENT_TRACK_WAYPOINT_PROMOTION = 2.0;
+
+  /** How much we promote a track result if it's the currently-selected track. */
+  private static final double CURRENT_TRACK_DEMOTION = 0.5;
+
+  /** Maximum number of waypoints which will be retrieved and scored. */
+  private static final int MAX_SCORED_WAYPOINTS = 100;
+
+  /** Oldest timestamp for which we rank based on time (2000-01-01 00:00:00.000) */
+  private static final long OLDEST_ALLOWED_TIMESTAMP = 946692000000L;
+
+  /**
+   * Description of a search query, along with all contextual data needed to execute it.
+   */
+  public static class SearchQuery {
+    public SearchQuery(String textQuery, Location currentLocation, long currentTrackId,
+        long currentTimestamp) {
+      this.textQuery = textQuery.toLowerCase(Locale.getDefault());
+      this.currentLocation = currentLocation;
+      this.currentTrackId = currentTrackId;
+      this.currentTimestamp = currentTimestamp;
+    }
+
+    public final String textQuery;
+    public final Location currentLocation;
+    public final long currentTrackId;
+    public final long currentTimestamp;
+  }
+
+  /**
+   * Description of a search result which has been retrieved and scored.
+   */
+  public static class ScoredResult {
+    ScoredResult(Track track, double score) {
+      this.track = track;
+      this.waypoint = null;
+      this.score = score;
+    }
+
+    ScoredResult(Waypoint waypoint, double score) {
+      this.track = null;
+      this.waypoint = waypoint;
+      this.score = score;
+    }
+
+    public final Track track;
+    public final Waypoint waypoint;
+    public final double score;
+
+    @Override
+    public String toString() {
+      return "ScoredResult ["
+          + (track != null ? ("trackId=" + track.getId() + ", ") : "")
+          + (waypoint != null ? ("wptId=" + waypoint.getId() + ", ") : "")
+          + "score=" + score + "]";
+    }
+  }
+
+  /** Comparador for scored results. */
+  private static final Comparator<ScoredResult> SCORED_RESULT_COMPARATOR =
+      new Comparator<ScoredResult>() {
+        @Override
+        public int compare(ScoredResult r1, ScoredResult r2) {
+          // Score ordering.
+          int scoreDiff = Double.compare(r2.score, r1.score);
+          if (scoreDiff != 0) {
+            return scoreDiff;
+          }
+
+          // Make tracks come before waypoints.
+          if (r1.waypoint != null && r2.track != null) {
+            return 1;
+          } else if (r1.track != null && r2.waypoint != null) {
+            return -1;
+          }
+
+          // Finally, use arbitrary ordering, by ID.
+          long id1 = r1.track != null ? r1.track.getId() : r1.waypoint.getId();
+          long id2 = r2.track != null ? r2.track.getId() : r2.waypoint.getId();
+          long idDiff = id2 - id1;
+          return Long.signum(idDiff);
+        }
+      };
+
+  private final MyTracksProviderUtils providerUtils;
+
+  public SearchEngine(MyTracksProviderUtils providerUtils) {
+    this.providerUtils = providerUtils;
+  }
+
+  /**
+   * Executes a search query and returns a set of sorted results.
+   *
+   * @param query the query to execute
+   * @return a set of results, sorted according to their score
+   */
+  public SortedSet<ScoredResult> search(SearchQuery query) {
+    ArrayList<Track> tracks = new ArrayList<Track>();
+    ArrayList<Waypoint> waypoints = new ArrayList<Waypoint>();
+    TreeSet<ScoredResult> scoredResults = new TreeSet<ScoredResult>(SCORED_RESULT_COMPARATOR);
+
+    retrieveTracks(query, tracks);
+    retrieveWaypoints(query, waypoints);
+
+    scoreTrackResults(tracks, query, scoredResults);
+    scoreWaypointResults(waypoints, query, scoredResults);
+
+    return scoredResults;
+  }
+
+  /**
+   * Retrieves tracks matching the given query from the database.
+   *
+   * @param query the query to retrieve for
+   * @param tracks list to fill with the resulting tracks
+   */
+  private void retrieveTracks(SearchQuery query, ArrayList<Track> tracks) {
+    String queryLikeSelection = "%" + query.textQuery + "%";
+    String[] trackSelectionArgs = new String[] {
+        queryLikeSelection,
+        queryLikeSelection,
+        queryLikeSelection };
+
+    Cursor cursor = null;
+    try {
+      cursor = providerUtils.getTrackCursor(
+          TRACK_SELECTION_QUERY, trackSelectionArgs, TRACK_SELECTION_ORDER);
+      if (cursor != null) {
+        tracks.ensureCapacity(cursor.getCount());
+        while (cursor.moveToNext()) {
+          tracks.add(providerUtils.createTrack(cursor));
+        }
+      }
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+  }
+
+  /**
+   * Retrieves waypoints matching the given query from the database.
+   *
+   * @param query the query to retrieve for
+   * @param waypoints list to fill with the resulting waypoints
+   */
+  private void retrieveWaypoints(SearchQuery query, ArrayList<Waypoint> waypoints) {
+    String queryLikeSelection2 = "%" + query.textQuery + "%";
+    String[] waypointSelectionArgs = new String[] {
+        queryLikeSelection2,
+        queryLikeSelection2,
+        queryLikeSelection2 };
+    Cursor cursor = null;
+    try {
+      cursor = providerUtils.getWaypointCursor(WAYPOINT_SELECTION_QUERY, waypointSelectionArgs,
+          WAYPOINT_SELECTION_ORDER, MAX_SCORED_WAYPOINTS);
+      if (cursor != null) {
+        waypoints.ensureCapacity(cursor.getCount());
+        while (cursor.moveToNext()) {
+          Waypoint waypoint = providerUtils.createWaypoint(cursor);
+          if (LocationUtils.isValidLocation(waypoint.getLocation())) {
+            waypoints.add(waypoint);
+          }
+        }
+      }
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+  }
+
+  /**
+   * Scores a collection of track results.
+   *
+   * @param tracks the results to score
+   * @param query the query to score for
+   * @param output the collection to fill with scored results
+   */
+  private void scoreTrackResults(Collection<Track> tracks, SearchQuery query, Collection<ScoredResult> output) {
+    for (Track track : tracks) {
+      // Calculate the score.
+      double score = scoreTrackResult(query, track);
+
+      // Add to the output.
+      output.add(new ScoredResult(track, score));
+    }
+  }
+
+  /**
+   * Scores a single track result.
+   *
+   * @param query the query to score for
+   * @param track the results to score
+   * @return the score for the track
+   */
+  private double scoreTrackResult(SearchQuery query, Track track) {
+    double score = 1.0;
+
+    score *= getTitleBoost(query, track.getName(), track.getDescription(), track.getCategory());
+
+    TripStatistics statistics = track.getTripStatistics();
+    // TODO: Also boost for proximity to the currently-centered position on the map.
+    score *= getDistanceBoost(query, statistics.getMeanLatitude(), statistics.getMeanLongitude());
+
+    long meanTimestamp = (statistics.getStartTime() + statistics.getStopTime()) / 2L;
+    score *= getTimeBoost(query, meanTimestamp);
+
+    // Score the currently-selected track lower (user is already there, wouldn't be searching for it).
+    if (track.getId() == query.currentTrackId) {
+      score *= CURRENT_TRACK_DEMOTION;
+    }
+
+    return score;
+  }
+
+  /**
+   * Scores a collection of waypoint results.
+   *
+   * @param waypoints the results to score
+   * @param query the query to score for
+   * @param output the collection to fill with scored results
+   */
+  private void scoreWaypointResults(Collection<Waypoint> waypoints, SearchQuery query, Collection<ScoredResult> output) {
+    for (Waypoint waypoint : waypoints) {
+      // Calculate the score.
+      double score = scoreWaypointResult(query, waypoint);
+
+      // Add to the output.
+      output.add(new ScoredResult(waypoint, score));
+    }
+  }
+
+  /**
+   * Scores a single waypoint result.
+   *
+   * @param query the query to score for
+   * @param waypoint the results to score
+   * @return the score for the waypoint
+   */
+  private double scoreWaypointResult(SearchQuery query, Waypoint waypoint) {
+    double score = 1.0;
+
+    Location location = waypoint.getLocation();
+    score *= getTitleBoost(query, waypoint.getName(), waypoint.getDescription(), waypoint.getCategory());
+    // TODO: Also boost for proximity to the currently-centered position on the map.
+    score *= getDistanceBoost(query, location.getLatitude(), location.getLongitude());
+    score *= getTimeBoost(query, location.getTime());
+
+    // Score waypoints in the currently-selected track higher (searching inside the current track).
+    if (query.currentTrackId != -1 && waypoint.getTrackId() == query.currentTrackId) {
+      score *= CURRENT_TRACK_WAYPOINT_PROMOTION;
+    }
+
+    return score;
+  }
+
+  /**
+   * Calculates the boosting of the score due to the field(s) in which the match occured.
+   *
+   * @param query the query to boost for
+   * @param name the name of the track or waypoint
+   * @param description the description of the track or waypoint
+   * @param category the category of the track or waypoint
+   * @return the total boost to be applied to the result
+   */
+  private double getTitleBoost(SearchQuery query,
+      String name, String description, String category) {
+    // Title boost: track name > description > category.
+    double boost = 1.0;
+    if (name.toLowerCase(Locale.getDefault()).contains(query.textQuery)) {
+      boost *= TRACK_NAME_PROMOTION;
+    }
+    if (description.toLowerCase(Locale.getDefault()).contains(query.textQuery)) {
+      boost *= TRACK_DESCRIPTION_PROMOTION;
+    }
+    if (category.toLowerCase(Locale.getDefault()).contains(query.textQuery)) {
+      boost *= TRACK_CATEGORY_PROMOTION;
+    }
+    return boost;
+  }
+
+  /**
+   * Calculates the boosting of the score due to the recency of the matched entity.
+   *
+   * @param query the query to boost for
+   * @param timestamp the timestamp to calculate the boost for
+   * @return the total boost to be applied to the result
+   */
+  private double getTimeBoost(SearchQuery query, long timestamp) {
+    if (timestamp < OLDEST_ALLOWED_TIMESTAMP) {
+      // Safety: if timestamp is too old or invalid, don't rank based on time.
+      return 1.0;
+    }
+
+    // Score recent tracks higher.
+    long timeAgoHours = (query.currentTimestamp - timestamp) / (60L * 60L * 1000L);
+    if (timeAgoHours > 0L) {
+      return squash(timeAgoHours);
+    } else {
+      // Should rarely happen (track recorded in the last hour).
+      return Double.POSITIVE_INFINITY;
+    }
+  }
+
+  /**
+   * Calculates the boosting of the score due to proximity to a location.
+   *
+   * @param query the query to boost for
+   * @param latitude the latitude to calculate the boost for
+   * @param longitude the longitude to calculate the boost for
+   * @return the total boost to be applied to the result
+   */
+  private double getDistanceBoost(SearchQuery query, double latitude, double longitude) {
+    if (query.currentLocation == null) {
+      return 1.0;
+    }
+
+    float[] distanceResults = new float[1];
+
+    Location.distanceBetween(
+        latitude, longitude,
+        query.currentLocation.getLatitude(), query.currentLocation.getLongitude(),
+        distanceResults);
+
+    // Score tracks close to the current location higher.
+    double distanceKm = distanceResults[0] * UnitConversions.M_TO_KM;
+    if (distanceKm > 0.0) {
+      // Use the inverse of the amortized distance.
+      return squash(distanceKm);
+    } else {
+      // Should rarely happen (distance is exactly 0).
+      return Double.POSITIVE_INFINITY;
+    }
+  }
+
+  /**
+   * Squashes a number by calculating 1 / log (1 + x).
+   */
+  private static double squash(double x) {
+    return 1.0 / Math.log1p(x);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/content/SearchEngineProvider.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.content;
+
+import android.content.Context;
+import android.content.SearchRecentSuggestionsProvider;
+import android.provider.SearchRecentSuggestions;
+
+/**
+ * Content provider for search suggestions.
+ *
+ * @author Rodrigo Damazio
+ */
+public class SearchEngineProvider extends SearchRecentSuggestionsProvider {
+
+  private static final String AUTHORITY = "com.google.android.maps.mytracks.search";
+  private static final int MODE = DATABASE_MODE_QUERIES;
+
+  public SearchEngineProvider() {
+    setupSuggestions(AUTHORITY, MODE);
+  }
+
+  // TODO: Also add suggestions from the database.
+
+  /**
+   * Creates and returns a helper for adding recent queries or clearing the recent query history.
+   */
+  public static SearchRecentSuggestions newHelper(Context context) {
+    return new SearchRecentSuggestions(context, AUTHORITY, MODE);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/content/TrackDataHub.java

@@ -0,0 +1,621 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.content;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils.LocationIterator;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.location.Location;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.util.Log;
+
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.Set;
+
+/**
+ * Track data hub. Receives data from {@link DataSource} and distributes it to
+ * {@link TrackDataListener} after some processing.
+ * 
+ * @author Rodrigo Damazio
+ */
+public class TrackDataHub implements DataSourceListener {
+
+  private static final String TAG = TrackDataHub.class.getSimpleName();
+ 
+  /**
+   * Maximum number of waypoints to displayed.
+   */
+  @VisibleForTesting
+  static final int MAX_DISPLAYED_WAYPOINTS = 128;
+  
+  /**
+   * Target number of track points displayed by the map overlay. We may display
+   * more than this number of points.
+   */
+  public static final int TARGET_DISPLAYED_TRACK_POINTS = 5000;
+  
+  private final Context context;
+  private final TrackDataManager trackDataManager;
+  private final MyTracksProviderUtils myTracksProviderUtils;
+  private final int targetNumPoints;
+
+  private boolean started;
+  private HandlerThread handlerThread;
+  private Handler handler;
+  private DataSource dataSource;
+  private DataSourceManager dataSourceManager;
+
+  // Preference values
+  private long selectedTrackId;
+  private long recordingTrackId;
+  private boolean recordingTrackPaused;
+  private boolean metricUnits;
+  private boolean reportSpeed;
+  private int recordingGpsAccuracy;
+  private int recordingDistanceInterval;
+
+  // Track points sampling state
+  private int numLoadedPoints;
+  private long firstSeenLocationId;
+  private long lastSeenLocationId;
+
+  /**
+   * Creates a new instance.
+   */
+  public synchronized static TrackDataHub newInstance(Context context) {
+    return new TrackDataHub(context, new TrackDataManager(), MyTracksProviderUtils.Factory.get(
+        context), TARGET_DISPLAYED_TRACK_POINTS);
+  }
+
+  /**
+   * Constructor.
+   * 
+   * @param context the context
+   * @param trackDataManager the track data manager
+   * @param myTracksProviderUtils the my tracks provider utils
+   * @param targetNumPoints the target number of points
+   */
+  @VisibleForTesting
+  TrackDataHub(Context context, TrackDataManager trackDataManager,
+      MyTracksProviderUtils myTracksProviderUtils, int targetNumPoints) {
+    this.context = context;
+    this.trackDataManager = trackDataManager;
+    this.myTracksProviderUtils = myTracksProviderUtils;
+    this.targetNumPoints = targetNumPoints;
+    resetSamplingState();
+  }
+
+  /**
+   * Starts.
+   */
+  public void start() {
+    if (started) {
+      Log.i(TAG, "TrackDataHub already started, ignoring start.");
+      return;
+    }
+    started = true;
+    handlerThread = new HandlerThread("TrackDataHubHandlerThread");
+    handlerThread.start();
+    handler = new Handler(handlerThread.getLooper());
+    dataSource = newDataSource();
+    dataSourceManager = new DataSourceManager(dataSource, this);
+
+    notifyPreferenceChanged(null);
+    runInHanderThread(new Runnable() {
+        @Override
+      public void run() {
+        if (dataSourceManager != null) {
+          dataSourceManager.updateListeners(trackDataManager.getRegisteredTrackDataTypes());
+          loadDataForAll();
+        }
+      }
+    });
+  }
+
+  /**
+   * Stops.
+   */
+  public void stop() {
+    if (!started) {
+      Log.i(TAG, "TrackDataHub not started, ignoring stop.");
+      return;
+    }
+    started = false;
+
+    dataSourceManager.unregisterAllListeners();
+    if (handlerThread != null) {
+      handlerThread.getLooper().quit();
+      handlerThread = null;
+    }
+    handler = null;
+    dataSource = null;
+    dataSourceManager = null;
+  }
+
+  /**
+   * Loads a track.
+   * 
+   * @param trackId the track id
+   */
+  public void loadTrack(final long trackId) {
+    runInHanderThread(new Runnable() {
+        @Override
+      public void run() {
+        if (trackId == selectedTrackId) {
+          Log.i(TAG, "Not reloading track " + trackId);
+          return;
+        }
+        selectedTrackId = trackId;
+        loadDataForAll();
+      }
+    });
+  }
+
+  /**
+   * Registers a {@link TrackDataListener}.
+   * 
+   * @param trackDataListener the track data listener
+   * @param trackDataTypes the track data types
+   */
+  public void registerTrackDataListener(
+      final TrackDataListener trackDataListener, final EnumSet<TrackDataType> trackDataTypes) {
+    runInHanderThread(new Runnable() {
+        @Override
+      public void run() {
+        if (dataSourceManager != null) {
+          trackDataManager.registerListener(trackDataListener, trackDataTypes);
+          dataSourceManager.updateListeners(trackDataManager.getRegisteredTrackDataTypes());
+          loadDataForListener(trackDataListener);
+        }
+      }
+    });
+  }
+
+  /**
+   * Unregisters a {@link TrackDataListener}.
+   * 
+   * @param trackDataListener the track data listener
+   */
+  public void unregisterTrackDataListener(final TrackDataListener trackDataListener) {
+    runInHanderThread(new Runnable() {
+        @Override
+      public void run() {
+        if (dataSourceManager != null) {
+          trackDataManager.unregisterListener(trackDataListener);
+          dataSourceManager.updateListeners(trackDataManager.getRegisteredTrackDataTypes());
+        }
+      }
+    });
+  }
+
+  /**
+   * Reloads data for a {@link TrackDataListener}.
+   */
+  public void reloadDataForListener(final TrackDataListener trackDataListener) {
+    runInHanderThread(new Runnable() {
+        @Override
+      public void run() {
+        loadDataForListener(trackDataListener);
+      }
+    });
+  }
+
+  /**
+   * Returns true if the selected track is recording.
+   */
+  public boolean isSelectedTrackRecording() {
+    return selectedTrackId == recordingTrackId
+        && recordingTrackId != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+  }
+
+  /**
+   * Returns true if the selected track is paused.
+   */
+  public boolean isSelectedTrackPaused() {
+    return selectedTrackId == recordingTrackId && recordingTrackPaused;
+  }
+
+  @Override
+  public void notifyTracksTableUpdated() {
+    runInHanderThread(new Runnable() {
+        @Override
+      public void run() {
+        notifyTracksTableUpdate(trackDataManager.getListeners(TrackDataType.TRACKS_TABLE));
+      }
+    });
+  }
+
+  @Override
+  public void notifyWaypointsTableUpdated() {
+    runInHanderThread(new Runnable() {
+        @Override
+      public void run() {
+        notifyWaypointsTableUpdate(trackDataManager.getListeners(TrackDataType.WAYPOINTS_TABLE));
+      }
+    });
+  }
+
+  @Override
+  public void notifyTrackPointsTableUpdated() {
+    runInHanderThread(new Runnable() {
+        @Override
+      public void run() {
+        notifyTrackPointsTableUpdate(
+            true, trackDataManager.getListeners(TrackDataType.SAMPLED_IN_TRACK_POINTS_TABLE),
+            trackDataManager.getListeners(TrackDataType.SAMPLED_OUT_TRACK_POINTS_TABLE));
+      }
+    });
+  }
+
+  @Override
+  public void notifyPreferenceChanged(final String key) {
+    runInHanderThread(new Runnable() {
+        @Override
+      public void run() {
+        if (key == null
+            || key.equals(PreferencesUtils.getKey(context, R.string.recording_track_id_key))) {
+          recordingTrackId = PreferencesUtils.getLong(context, R.string.recording_track_id_key);
+        }
+        if (key == null
+            || key.equals(PreferencesUtils.getKey(context, R.string.recording_track_paused_key))) {
+          recordingTrackPaused = PreferencesUtils.getBoolean(
+              context, R.string.recording_track_paused_key,
+              PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+        }
+        if (key == null
+            || key.equals(PreferencesUtils.getKey(context, R.string.stats_units_key))) {
+          metricUnits = PreferencesUtils.isMetricUnits(context);
+          if (key != null) {
+            for (TrackDataListener trackDataListener :
+                trackDataManager.getListeners(TrackDataType.PREFERENCE)) {
+              if (trackDataListener.onMetricUnitsChanged(metricUnits)) {
+                loadDataForListener(trackDataListener);
+              }
+            }
+          }
+        }
+        if (key == null
+            || key.equals(PreferencesUtils.getKey(context, R.string.stats_rate_key))) {
+          reportSpeed = PreferencesUtils.isReportSpeed(context);
+          if (key != null) {
+            for (TrackDataListener trackDataListener :
+                trackDataManager.getListeners(TrackDataType.PREFERENCE)) {
+              if (trackDataListener.onReportSpeedChanged(reportSpeed)) {
+                loadDataForListener(trackDataListener);
+              }
+            }
+          }
+        }
+        if (key == null
+            || key.equals(PreferencesUtils.getKey(context, R.string.recording_gps_accuracy_key))) {
+          recordingGpsAccuracy = PreferencesUtils.getInt(context, R.string.recording_gps_accuracy_key,
+              PreferencesUtils.RECORDING_GPS_ACCURACY_DEFAULT);
+          if (key != null) {
+            for (TrackDataListener trackDataListener :
+                trackDataManager.getListeners(TrackDataType.PREFERENCE)) {
+              if (trackDataListener.onRecordingGpsAccuracy(recordingGpsAccuracy)) {
+                loadDataForListener(trackDataListener);
+              }
+            }
+          }
+        }
+        if (key == null || key.equals(
+            PreferencesUtils.getKey(context, R.string.recording_distance_interval_key))) {
+          recordingDistanceInterval = PreferencesUtils.getInt(
+              context, R.string.recording_distance_interval_key,
+              PreferencesUtils.RECORDING_DISTANCE_INTERVAL_DEFAULT);
+          if (key != null) {
+            for (TrackDataListener trackDataListener :
+                trackDataManager.getListeners(TrackDataType.PREFERENCE)) {
+              if (trackDataListener.onRecordingDistanceIntervalChanged(recordingDistanceInterval)) {
+                loadDataForListener(trackDataListener);
+              }
+            }
+          }
+        }
+      }
+    });
+  }
+
+  /**
+   * Loads data for all listeners. To be run in the {@link #handler} thread.
+   */
+  private void loadDataForAll() {
+    resetSamplingState();
+    if (trackDataManager.getNumberOfListeners() == 0) {
+      return;
+    }
+
+    for (TrackDataListener trackDataListener :
+        trackDataManager.getListeners(TrackDataType.PREFERENCE)) {
+      trackDataListener.onMetricUnitsChanged(metricUnits);
+      trackDataListener.onReportSpeedChanged(reportSpeed);
+      trackDataListener.onRecordingGpsAccuracy(recordingGpsAccuracy);
+      trackDataListener.onRecordingDistanceIntervalChanged(recordingDistanceInterval);
+    }
+
+    notifyTracksTableUpdate(trackDataManager.getListeners(TrackDataType.TRACKS_TABLE));
+
+    for (TrackDataListener listener :
+        trackDataManager.getListeners(TrackDataType.SAMPLED_IN_TRACK_POINTS_TABLE)) {
+      listener.clearTrackPoints();
+    }
+    notifyTrackPointsTableUpdate(true,
+        trackDataManager.getListeners(TrackDataType.SAMPLED_IN_TRACK_POINTS_TABLE),
+        trackDataManager.getListeners(TrackDataType.SAMPLED_OUT_TRACK_POINTS_TABLE));
+    notifyWaypointsTableUpdate(trackDataManager.getListeners(TrackDataType.WAYPOINTS_TABLE));
+  }
+
+  /**
+   * Loads data for a listener. To be run in the {@link #handler} thread.
+   * 
+   * @param trackDataListener the track data listener.
+   */
+  private void loadDataForListener(TrackDataListener trackDataListener) {
+    Set<TrackDataListener> trackDataListeners = Collections.singleton(trackDataListener);
+    EnumSet<TrackDataType> trackDataTypes = trackDataManager.getTrackDataTypes(trackDataListener);
+
+    if (trackDataTypes.contains(TrackDataType.PREFERENCE)) {
+      trackDataListener.onMetricUnitsChanged(metricUnits);
+      trackDataListener.onReportSpeedChanged(reportSpeed);
+      trackDataListener.onRecordingGpsAccuracy(recordingGpsAccuracy);
+      trackDataListener.onRecordingDistanceIntervalChanged(recordingDistanceInterval);
+    }
+
+    if (trackDataTypes.contains(TrackDataType.TRACKS_TABLE)) {
+      notifyTracksTableUpdate(trackDataListeners);
+    }
+
+    boolean hasSampledIn = trackDataTypes.contains(TrackDataType.SAMPLED_IN_TRACK_POINTS_TABLE);
+    boolean hasSampledOut = trackDataTypes.contains(TrackDataType.SAMPLED_OUT_TRACK_POINTS_TABLE);
+    if (hasSampledIn || hasSampledOut) {
+      trackDataListener.clearTrackPoints();
+      boolean isOnlyListener = trackDataManager.getNumberOfListeners() == 1;
+      if (isOnlyListener) {
+        resetSamplingState();
+      }
+      Set<TrackDataListener> sampledInListeners = trackDataListeners;
+      Set<TrackDataListener> sampledOutListeners = hasSampledOut ? trackDataListeners
+          : Collections.<TrackDataListener> emptySet();
+      notifyTrackPointsTableUpdate(isOnlyListener, sampledInListeners, sampledOutListeners);
+    }
+
+    if (trackDataTypes.contains(TrackDataType.WAYPOINTS_TABLE)) {
+      notifyWaypointsTableUpdate(trackDataListeners);
+    }
+  }
+
+  /**
+   * Notifies track table update. To be run in the {@link #handler} thread.
+   * 
+   * @param trackDataListeners the track data listeners to notify
+   */
+  private void notifyTracksTableUpdate(Set<TrackDataListener> trackDataListeners) {
+    if (trackDataListeners.isEmpty()) {
+      return;
+    }
+    Track track = myTracksProviderUtils.getTrack(selectedTrackId);
+    for (TrackDataListener trackDataListener : trackDataListeners) {
+      trackDataListener.onTrackUpdated(track);
+    }
+  }
+
+  /**
+   * Notifies waypoint table update. Currently, reloads all the waypoints up to
+   * {@link #MAX_DISPLAYED_WAYPOINTS}. To be run in the {@link #handler}
+   * thread.
+   * 
+   * @param trackDataListeners the track data listeners to notify
+   */
+  private void notifyWaypointsTableUpdate(Set<TrackDataListener> trackDataListeners) {
+    if (trackDataListeners.isEmpty()) {
+      return;
+    }
+
+    for (TrackDataListener trackDataListener : trackDataListeners) {
+      trackDataListener.clearWaypoints();
+    }
+
+    Cursor cursor = null;
+    try {
+      cursor = myTracksProviderUtils.getWaypointCursor(
+          selectedTrackId, -1L, MAX_DISPLAYED_WAYPOINTS);
+      if (cursor != null && cursor.moveToFirst()) {
+        do {
+          Waypoint waypoint = myTracksProviderUtils.createWaypoint(cursor);
+          if (!LocationUtils.isValidLocation(waypoint.getLocation())) {
+            continue;
+          }
+          for (TrackDataListener trackDataListener : trackDataListeners) {
+            trackDataListener.onNewWaypoint(waypoint);
+          }
+        } while (cursor.moveToNext());
+      }
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+
+    for (TrackDataListener trackDataListener : trackDataListeners) {
+      trackDataListener.onNewWaypointsDone();
+    }
+  }
+
+  /**
+   * Notifies track points table update. To be run in the {@link #handler}
+   * thread.
+   * 
+   * @param updateSamplingState true to update the sampling state
+   * @param sampledInListeners the sampled-in listeners
+   * @param sampledOutListeners the sampled-out listeners
+   */
+  private void notifyTrackPointsTableUpdate(boolean updateSamplingState,
+      Set<TrackDataListener> sampledInListeners, Set<TrackDataListener> sampledOutListeners) {
+    if (sampledInListeners.isEmpty() && sampledOutListeners.isEmpty()) {
+      return;
+    }
+    if (updateSamplingState && numLoadedPoints >= targetNumPoints) {
+      // Reload and resample the track at a lower frequency.
+      Log.i(TAG, "Resampling track after " + numLoadedPoints + " points.");
+      resetSamplingState();
+      for (TrackDataListener listener : sampledInListeners) {
+        listener.clearTrackPoints();
+      }
+    }
+
+    int localNumLoadedPoints = updateSamplingState ? numLoadedPoints : 0;
+    long localFirstSeenLocationId = updateSamplingState ? firstSeenLocationId : -1L;
+    long localLastSeenLocationId = updateSamplingState ? lastSeenLocationId : -1L;
+    long maxPointId = updateSamplingState ? -1L : lastSeenLocationId;
+
+    long lastTrackPointId = myTracksProviderUtils.getLastTrackPointId(selectedTrackId);
+    int samplingFrequency = -1;
+    LocationIterator iterator = myTracksProviderUtils.getTrackPointLocationIterator(selectedTrackId,
+        localLastSeenLocationId + 1, false, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+    boolean includeNextPoint = false;
+    while (iterator.hasNext()) {
+      Location location = iterator.next();
+      long locationId = iterator.getLocationId();
+
+      // Stop if past the last wanted point
+      if (maxPointId != -1L && locationId > maxPointId) {
+        break;
+      }
+
+      if (localFirstSeenLocationId == -1) {
+        localFirstSeenLocationId = locationId;
+      }
+
+      if (samplingFrequency == -1) {
+        long numTotalPoints = Math.max(0L, lastTrackPointId - localFirstSeenLocationId);
+        samplingFrequency = 1 + (int) (numTotalPoints / targetNumPoints);
+      }
+
+      if (!LocationUtils.isValidLocation(location)) {
+        // TODO: also include the last valid point before a split
+        for (TrackDataListener trackDataListener : sampledInListeners) {
+          trackDataListener.onSegmentSplit(location);
+          includeNextPoint = true;
+        }
+      } else {
+        // Also include the last point if the selected track is not recording.
+        if (includeNextPoint || (localNumLoadedPoints % samplingFrequency == 0)
+            || (locationId == lastTrackPointId && !isSelectedTrackRecording())) {
+          includeNextPoint = false;
+          for (TrackDataListener trackDataListener : sampledInListeners) {
+            trackDataListener.onSampledInTrackPoint(location);
+          }
+        } else {
+          for (TrackDataListener trackDataListener : sampledOutListeners) {
+            trackDataListener.onSampledOutTrackPoint(location);
+          }
+        }
+      }
+
+      localNumLoadedPoints++;
+      localLastSeenLocationId = locationId;
+    }
+    iterator.close();
+
+    if (updateSamplingState) {
+      numLoadedPoints = localNumLoadedPoints;
+      firstSeenLocationId = localFirstSeenLocationId;
+      lastSeenLocationId = localLastSeenLocationId;
+    }
+
+    for (TrackDataListener listener : sampledInListeners) {
+      listener.onNewTrackPointsDone();
+    }
+  }
+
+  /**
+   * Resets the track points sampling states.
+   */
+  private void resetSamplingState() {
+    numLoadedPoints = 0;
+    firstSeenLocationId = -1L;
+    lastSeenLocationId = -1L;
+  }
+
+  /**
+   * Creates a {@link DataSource}.
+   */
+  @VisibleForTesting
+  protected DataSource newDataSource() {
+    return new DataSource(context);
+  }
+
+  /**
+   * Run in the handler thread.
+   * 
+   * @param runnable the runnable
+   */
+  @VisibleForTesting
+  protected void runInHanderThread(Runnable runnable) {
+    if (handler == null) {
+      // Use a Throwable to ensure the stack trace is logged.
+      Log.d(TAG, "handler is null.", new Throwable());
+      return;
+    }
+    handler.post(runnable);
+  }
+  
+  /**
+   * Gets the value selectedTrackId.
+   * 
+   * @return the selectedTrackId
+   */
+  public long getSelectedTrackId() {
+    return selectedTrackId;
+  }
+  
+  /**
+   * Gets the recordingGpsAccuracy.
+   */
+  @VisibleForTesting
+  int getRecordingGpsAccuracy() {
+    return recordingGpsAccuracy;
+  }
+  
+  /**
+   * Gets the metricUnits.
+   * 
+   * @return the metricUnits
+   */
+  @VisibleForTesting
+  boolean isMetricUnits() {
+    return metricUnits;
+  }
+  
+  /**
+   * Gets the reportSpeed.
+   * 
+   * @return the reportSpeed
+   */
+  @VisibleForTesting
+  boolean isReportSpeed() {
+    return reportSpeed;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/content/TrackDataListener.java

@@ -0,0 +1,126 @@
+/*
+ * Copyright 2011 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.content;
+
+import android.location.Location;
+
+/**
+ * Listener for track data changes.
+ * 
+ * @author Rodrigo Damazio
+ */
+public interface TrackDataListener {
+
+  /**
+   * Location state.
+   * 
+   * @author Jimmy Shih
+   */
+  public enum LocationState {
+    DISABLED, NO_FIX, BAD_FIX, GOOD_FIX;
+  }
+
+  /**
+   * Called when the track or its statistics has been updated.
+   * 
+   * @param track the track
+   */
+  public void onTrackUpdated(Track track);
+
+  /**
+   * Called to clear previously-sent track points.
+   */
+  public void clearTrackPoints();
+
+  /**
+   * Called when a sampled in track point is read.
+   * 
+   * @param location the location
+   */
+  public void onSampledInTrackPoint(Location location);
+
+  /**
+   * Called when a sampled out track point is read.
+   * 
+   * @param location the location
+   */
+  public void onSampledOutTrackPoint(Location location);
+
+  /**
+   * Called when an invalid track point representing a segment split is read.
+   */
+  public void onSegmentSplit(Location location);
+
+  /**
+   * Called when finish sending new track points. This gets called after every
+   * batch of calls to {@link #onSampledInTrackPoint(Location)},
+   * {@link #onSampledOutTrackPoint(Location)} and
+   * {@link #onSegmentSplit(Location)}.
+   */
+  public void onNewTrackPointsDone();
+
+  /**
+   * Called to clear previously sent waypoints.
+   */
+  public void clearWaypoints();
+
+  /**
+   * Called when a new waypoint is read.
+   * 
+   * @param waypoint the waypoint
+   */
+  public void onNewWaypoint(Waypoint waypoint);
+
+  /**
+   * Called when finish sending new waypoints. This gets called after every
+   * batch of calls to {@link #clearWaypoints()} and
+   * {@link #onNewWaypoint(Waypoint)}.
+   */
+  public void onNewWaypointsDone();
+
+  /**
+   * Called when the metric units preference value is change.
+   * 
+   * @param metricUnits true to use metric units, false to use imperial units
+   * @return true to reload all the data, false otherwise.
+   */
+  public boolean onMetricUnitsChanged(boolean metricUnits);
+
+  /**
+   * Called when the report speed preference value is changed.
+   * 
+   * @param reportSpeed true to report speed, false to report pace
+   * @return true to reload all the data, false otherwise.
+   */
+  public boolean onReportSpeedChanged(boolean reportSpeed);
+
+  /**
+   * Called when the recording gps accuracy preference value is changed.
+   * 
+   * @param recordingGpsAccuracy the new value
+   * @return true to reload all the data, false otherwise
+   */
+  public boolean onRecordingGpsAccuracy(int recordingGpsAccuracy);
+  
+  /**
+   * Called when the recording distance interval preference value is changed.
+   * 
+   * @param recordingDistanceInterval the new value
+   * @return true to reload all the data, false otherwise.
+   */
+  public boolean onRecordingDistanceIntervalChanged(int recordingDistanceInterval);
+}

MyTracks/src/com/google/android/apps/mytracks/content/TrackDataManager.java

@@ -0,0 +1,123 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.content;
+
+import android.util.Log;
+
+import java.util.EnumMap;
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Manages register/unregister {@link TrackDataListener} and keeping the state
+ * for each registered listener.
+ * 
+ * @author Rodrigo Damazio
+ */
+public class TrackDataManager {
+
+  private static final String TAG = TrackDataManager.class.getSimpleName();
+  
+  // Map of listener to its track data types
+  private final Map<TrackDataListener, EnumSet<TrackDataType>>
+      listenerToTypesMap = new HashMap<TrackDataListener, EnumSet<TrackDataType>>();
+
+  // Map of track data type to listeners
+  private final Map<TrackDataType, Set<TrackDataListener>>
+      typeToListenersMap = new EnumMap<TrackDataType, Set<TrackDataListener>>(TrackDataType.class);
+
+  public TrackDataManager() {
+    for (TrackDataType trackDataType : TrackDataType.values()) {
+      typeToListenersMap.put(trackDataType, new LinkedHashSet<TrackDataListener>());
+    }
+  }
+
+  /**
+   * Registers a listener.
+   * 
+   * @param listener the listener
+   * @param trackDataTypes the track data types the listener is interested
+   */
+  public void registerListener(
+      TrackDataListener listener, EnumSet<TrackDataType> trackDataTypes) {
+    if (listenerToTypesMap.containsKey(listener)) {
+      Log.w(TAG, "Tried to register a listener that is already registered. Ignore.");
+      return;
+    }
+    listenerToTypesMap.put(listener, trackDataTypes);
+    for (TrackDataType trackDataType : trackDataTypes) {
+      typeToListenersMap.get(trackDataType).add(listener);
+    }
+  }
+
+  /**
+   * Unregisters a listener.
+   * 
+   * @param listener the listener
+   */
+  public void unregisterListener(TrackDataListener listener) {
+    EnumSet<TrackDataType> removedTypes = listenerToTypesMap.remove(listener);
+    if (removedTypes == null) {
+      Log.w(TAG, "Tried to unregister a listener that is not registered. Ignore.");
+      return;
+    }
+
+    // Remove the listener from the typeToListenersMap
+    for (TrackDataType trackDataType : removedTypes) {
+      typeToListenersMap.get(trackDataType).remove(listener);
+    }
+  }
+
+  /**
+   * Gets the number of {@link TrackDataListener}.
+   */
+  public int getNumberOfListeners() {
+    return listenerToTypesMap.size();
+  }
+
+  /**
+   * Gets the track data types for a listener.
+   * 
+   * @param listener the listener
+   */
+  public EnumSet<TrackDataType> getTrackDataTypes(TrackDataListener listener) {
+    return listenerToTypesMap.get(listener);
+  }
+
+  /**
+   * Gets the listeners for a {@link TrackDataType}.
+   * 
+   * @param type the type
+   */
+  public Set<TrackDataListener> getListeners(TrackDataType type) {
+    return typeToListenersMap.get(type);
+  }
+
+  /**
+   * Gets all the registered {@link TrackDataType}.
+   */
+  public EnumSet<TrackDataType> getRegisteredTrackDataTypes() {
+    EnumSet<TrackDataType> types = EnumSet.noneOf(TrackDataType.class);
+    for (EnumSet<TrackDataType> value : listenerToTypesMap.values()) {
+      types.addAll(value);
+    }
+    return types;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/content/TrackDataType.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.content;
+
+/**
+ * Types of track data.
+ * 
+ * @author Jimmy Shih
+ */
+public enum TrackDataType {
+  TRACKS_TABLE, // tracks table changes
+  WAYPOINTS_TABLE, // waypoints table changes
+  SAMPLED_IN_TRACK_POINTS_TABLE, // sampled-in track points table changes
+  SAMPLED_OUT_TRACK_POINTS_TABLE, // sampled-out track points table changes
+  PREFERENCE // preference changes
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/AboutDialogFragment.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.SystemUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+import android.view.View;
+import android.widget.TextView;
+
+/**
+ * A DialogFragment to show information about My Tracks.
+ * 
+ * @author Jimmy Shih
+ */
+public class AboutDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface AboutCaller {
+
+    /**
+     * Called when about license is invoked.
+     */
+    public void onAboutLicense();
+  }
+
+  public static final String ABOUT_DIALOG_TAG = "aboutDialog";
+
+  private AboutCaller caller;
+  private FragmentActivity fragmentActivity;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (AboutCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + AboutCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    fragmentActivity = getActivity();
+    View view = fragmentActivity.getLayoutInflater().inflate(R.layout.about, null);
+    TextView aboutVersion = (TextView) view.findViewById(R.id.about_version);
+    aboutVersion.setText(SystemUtils.getMyTracksVersion(fragmentActivity));
+    return new AlertDialog.Builder(fragmentActivity).setNegativeButton(
+        R.string.about_license, new DialogInterface.OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            caller.onAboutLicense();
+          }
+        }).setPositiveButton(R.string.generic_ok, null).setTitle(R.string.help_about).setView(view)
+        .create();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ChartFragment.java

@@ -0,0 +1,537 @@
+/*
+ * Copyright 2009 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.ChartView;
+import com.google.android.apps.mytracks.TrackDetailActivity;
+import com.google.android.apps.mytracks.content.MyTracksLocation;
+import com.google.android.apps.mytracks.content.Sensor;
+import com.google.android.apps.mytracks.content.Sensor.SensorDataSet;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.TrackDataHub;
+import com.google.android.apps.mytracks.content.TrackDataListener;
+import com.google.android.apps.mytracks.content.TrackDataType;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.stats.TripStatisticsUpdater;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.UnitConversions;
+import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.location.Location;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentActivity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewGroup.LayoutParams;
+import android.widget.ZoomControls;
+
+import java.util.ArrayList;
+import java.util.EnumSet;
+
+/**
+ * A fragment to display track chart to the user.
+ * 
+ * @author Sandor Dornbush
+ * @author Rodrigo Damazio
+ */
+public class ChartFragment extends Fragment implements TrackDataListener {
+
+  public static final String CHART_FRAGMENT_TAG = "chartFragment";
+
+  private final ArrayList<double[]> pendingPoints = new ArrayList<double[]>();
+
+  private TrackDataHub trackDataHub;
+
+  // Stats gathered from the received data
+  private TripStatisticsUpdater tripStatisticsUpdater;
+  private long startTime;
+
+  private boolean metricUnits = true;
+  private boolean reportSpeed = true;
+  private int recordingDistanceInterval = PreferencesUtils.RECORDING_DISTANCE_INTERVAL_DEFAULT;
+
+  // Modes of operation
+  private boolean chartByDistance = true;
+  private boolean[] chartShow = new boolean[] { true, true, true, true, true, true };
+
+  // UI elements
+  private ChartView chartView;
+  private ZoomControls zoomControls;
+
+  /**
+   * A runnable that will enable/disable zoom controls and orange pointer as
+   * appropriate and redraw.
+   */
+  private final Runnable updateChart = new Runnable() {
+      @Override
+    public void run() {
+      if (!isResumed() || trackDataHub == null) {
+        return;
+      }
+
+      zoomControls.setIsZoomInEnabled(chartView.canZoomIn());
+      zoomControls.setIsZoomOutEnabled(chartView.canZoomOut());
+      chartView.setShowPointer(isSelectedTrackRecording());
+      chartView.invalidate();
+    }
+  };
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    /*
+     * Create a chartView here to store data thus won't need to reload all the
+     * data on every onStart or onResume.
+     */
+    chartView = new ChartView(getActivity());
+  };
+
+  @Override
+  public View onCreateView(
+      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+    View view = inflater.inflate(R.layout.chart, container, false);
+    zoomControls = (ZoomControls) view.findViewById(R.id.chart_zoom_controls);
+    zoomControls.setOnZoomInClickListener(new View.OnClickListener() {
+        @Override
+      public void onClick(View v) {
+        zoomIn();
+      }
+    });
+    zoomControls.setOnZoomOutClickListener(new View.OnClickListener() {
+        @Override
+      public void onClick(View v) {
+        zoomOut();
+      }
+    });
+    return view;
+  }
+
+  @Override
+  public void onStart() {
+    super.onStart();
+    ViewGroup layout = (ViewGroup) getActivity().findViewById(R.id.chart_view_layout);
+    LayoutParams layoutParams = new LayoutParams(
+        LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+    layout.addView(chartView, layoutParams);
+  }
+
+  @Override
+  public void onResume() {
+    super.onResume();
+    resumeTrackDataHub();
+    checkChartSettings();
+    getActivity().runOnUiThread(updateChart);
+  }
+
+  @Override
+  public void onPause() {
+    super.onPause();
+    pauseTrackDataHub();
+  }
+
+  @Override
+  public void onStop() {
+    super.onStop();
+    ViewGroup layout = (ViewGroup) getActivity().findViewById(R.id.chart_view_layout);
+    layout.removeView(chartView);
+  }
+
+  @Override
+  public void onTrackUpdated(Track track) {
+    if (isResumed()) {
+      if (track == null || track.getTripStatistics() == null) {
+        startTime = -1L;
+        return;
+      }
+      startTime = track.getTripStatistics().getStartTime();
+    }
+  }
+
+  @Override
+  public void clearTrackPoints() {
+    if (isResumed()) {
+      tripStatisticsUpdater = startTime != -1L ? new TripStatisticsUpdater(startTime) : null;
+      pendingPoints.clear();
+      chartView.reset();
+      runOnUiThread(new Runnable() {
+          @Override
+        public void run() {
+          if (isResumed()) {
+            chartView.resetScroll();
+          }
+        }
+      });
+    }
+  }
+
+  @Override
+  public void onSampledInTrackPoint(Location location) {
+    if (isResumed()) {
+      double[] data = new double[ChartView.NUM_SERIES + 1];
+      fillDataPoint(location, data);
+      pendingPoints.add(data);
+    }
+  }
+
+  @Override
+  public void onSampledOutTrackPoint(Location location) {
+    if (isResumed()) {
+      fillDataPoint(location, null);
+    }
+  }
+
+  @Override
+  public void onSegmentSplit(Location location) {
+    if (isResumed()) {
+      fillDataPoint(location, null);
+    }
+  }
+
+  @Override
+  public void onNewTrackPointsDone() {
+    if (isResumed()) {
+      chartView.addDataPoints(pendingPoints);
+      pendingPoints.clear();
+      runOnUiThread(updateChart);
+    }
+  }
+
+  @Override
+  public void clearWaypoints() {
+    if (isResumed()) {
+      chartView.clearWaypoints();
+    }
+  }
+
+  @Override
+  public void onNewWaypoint(Waypoint waypoint) {
+    if (isResumed() && waypoint != null && LocationUtils.isValidLocation(waypoint.getLocation())) {
+      chartView.addWaypoint(waypoint);
+    }
+  }
+
+  @Override
+  public void onNewWaypointsDone() {
+    if (isResumed()) {
+      runOnUiThread(updateChart);
+    }
+  }
+
+  @Override
+  public boolean onMetricUnitsChanged(boolean metric) {
+    if (isResumed()) {
+      if (metricUnits == metric) {
+        return false;
+      }
+      metricUnits = metric;
+      chartView.setMetricUnits(metricUnits);
+      runOnUiThread(new Runnable() {
+          @Override
+        public void run() {
+          if (isResumed()) {
+            chartView.requestLayout();
+          }
+        }
+      });
+      return true;
+    }
+    return false;
+  }
+
+  @Override
+  public boolean onReportSpeedChanged(boolean speed) {
+    if (isResumed()) {
+      if (reportSpeed == speed) {
+        return false;
+      }
+      reportSpeed = speed;
+      chartView.setReportSpeed(reportSpeed);
+      boolean chartShowSpeed = PreferencesUtils.getBoolean(
+          getActivity(), R.string.chart_show_speed_key, PreferencesUtils.CHART_SHOW_SPEED_DEFAULT);
+      setSeriesEnabled(ChartView.SPEED_SERIES, chartShowSpeed && reportSpeed);
+      setSeriesEnabled(ChartView.PACE_SERIES, chartShowSpeed && !reportSpeed);
+      runOnUiThread(new Runnable() {
+          @Override
+        public void run() {
+          if (isResumed()) {
+            chartView.requestLayout();
+          }
+        }
+      });
+      return true;
+    }
+    return false;
+  }
+
+  @Override
+  public boolean onRecordingGpsAccuracy(int minRequiredAccuracy) {
+    // We don't care.
+    return false;
+  }
+  
+  @Override
+  public boolean onRecordingDistanceIntervalChanged(int value) {
+    if (isResumed()) {
+      if (recordingDistanceInterval == value) {
+        return false;
+      }
+      recordingDistanceInterval = value;
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Checks the chart settings.
+   */
+  private void checkChartSettings() {
+    boolean needUpdate = false;
+    if (chartByDistance != PreferencesUtils.isChartByDistance(getActivity())) {
+      chartByDistance = !chartByDistance;
+      chartView.setChartByDistance(chartByDistance);
+      reloadTrackDataHub();
+      needUpdate = true;
+    }
+    if (setSeriesEnabled(ChartView.ELEVATION_SERIES, PreferencesUtils.getBoolean(getActivity(),
+        R.string.chart_show_elevation_key, PreferencesUtils.CHART_SHOW_ELEVATION_DEFAULT))) {
+      needUpdate = true;
+    }
+
+    boolean chartShowSpeed = PreferencesUtils.getBoolean(
+        getActivity(), R.string.chart_show_speed_key, PreferencesUtils.CHART_SHOW_SPEED_DEFAULT);
+    if (setSeriesEnabled(ChartView.SPEED_SERIES, chartShowSpeed && reportSpeed)) {
+      needUpdate = true;
+    }
+    if (setSeriesEnabled(ChartView.PACE_SERIES, chartShowSpeed && !reportSpeed)) {
+      needUpdate = true;
+    }
+    if (setSeriesEnabled(ChartView.POWER_SERIES, PreferencesUtils.getBoolean(
+        getActivity(), R.string.chart_show_power_key, PreferencesUtils.CHART_SHOW_POWER_DEFAULT))) {
+      needUpdate = true;
+    }
+    if (setSeriesEnabled(ChartView.CADENCE_SERIES, PreferencesUtils.getBoolean(getActivity(),
+        R.string.chart_show_cadence_key, PreferencesUtils.CHART_SHOW_CADENCE_DEFAULT))) {
+      needUpdate = true;
+    }
+    if (setSeriesEnabled(ChartView.HEART_RATE_SERIES, PreferencesUtils.getBoolean(getActivity(),
+        R.string.chart_show_heart_rate_key, PreferencesUtils.CHART_SHOW_HEART_RATE_DEFAULT))) {
+      needUpdate = true;
+    }
+    if (needUpdate) {
+      chartView.postInvalidate();
+    }
+  }
+
+  /**
+   * Sets the series enabled value.
+   * 
+   * @param index the series index
+   * @param value the value
+   * @return true if changed
+   */
+  private boolean setSeriesEnabled(int index, boolean value) {
+    if (chartShow[index] != value) {
+      chartShow[index] = value;
+      chartView.setChartValueSeriesEnabled(index, value);
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  /**
+   * Resumes the trackDataHub. Needs to be synchronized because trackDataHub can
+   * be accessed by multiple threads.
+   */
+  private synchronized void resumeTrackDataHub() {
+    trackDataHub = ((TrackDetailActivity) getActivity()).getTrackDataHub();
+    trackDataHub.registerTrackDataListener(this, EnumSet.of(TrackDataType.TRACKS_TABLE,
+        TrackDataType.WAYPOINTS_TABLE, TrackDataType.SAMPLED_IN_TRACK_POINTS_TABLE,
+        TrackDataType.SAMPLED_OUT_TRACK_POINTS_TABLE, TrackDataType.PREFERENCE));
+  }
+
+  /**
+   * Pauses the trackDataHub. Needs to be synchronized because trackDataHub can
+   * be accessed by multiple threads.
+   */
+  private synchronized void pauseTrackDataHub() {
+    trackDataHub.unregisterTrackDataListener(this);
+    trackDataHub = null;
+  }
+
+  /**
+   * Returns true if the selected track is recording. Needs to be synchronized
+   * because trackDataHub can be accessed by multiple threads.
+   */
+  private synchronized boolean isSelectedTrackRecording() {
+    return trackDataHub != null && trackDataHub.isSelectedTrackRecording();
+  }
+
+  /**
+   * Reloads the trackDataHub. Needs to be synchronized because trackDataHub can
+   * be accessed by multiple threads.
+   */
+  private synchronized void reloadTrackDataHub() {
+    if (trackDataHub != null) {
+      trackDataHub.reloadDataForListener(this);
+    }
+  }
+
+  /**
+   * To zoom in.
+   */
+  private void zoomIn() {
+    chartView.zoomIn();
+    zoomControls.setIsZoomInEnabled(chartView.canZoomIn());
+    zoomControls.setIsZoomOutEnabled(chartView.canZoomOut());
+  }
+
+  /**
+   * To zoom out.
+   */
+  private void zoomOut() {
+    chartView.zoomOut();
+    zoomControls.setIsZoomInEnabled(chartView.canZoomIn());
+    zoomControls.setIsZoomOutEnabled(chartView.canZoomOut());
+  }
+
+  /**
+   * Runs a runnable on the UI thread if possible.
+   * 
+   * @param runnable the runnable
+   */
+  private void runOnUiThread(Runnable runnable) {
+    FragmentActivity fragmentActivity = getActivity();
+    if (fragmentActivity != null) {
+      fragmentActivity.runOnUiThread(runnable);
+    }
+  }
+
+  /**
+   * Given a location, fill in a data point, an array of double[]. <br>
+   * data[0] = time/distance <br>
+   * data[1] = elevation <br>
+   * data[2] = speed <br>
+   * data[3] = pace <br>
+   * data[4] = heart rate <br>
+   * data[5] = cadence <br>
+   * data[6] = power <br>
+   * 
+   * @param location the location
+   * @param data the data point to fill in, can be null
+   */
+  @VisibleForTesting
+  void fillDataPoint(Location location, double data[]) {
+    double timeOrDistance = Double.NaN;
+    double elevation = Double.NaN;
+    double speed = Double.NaN;
+    double pace = Double.NaN;
+    double heartRate = Double.NaN;
+    double cadence = Double.NaN;
+    double power = Double.NaN;
+
+    if (tripStatisticsUpdater != null) {
+      tripStatisticsUpdater.addLocation(location, recordingDistanceInterval, getActivity());
+      TripStatistics tripStatistics = tripStatisticsUpdater.getTripStatistics();
+      if (chartByDistance) {
+        double distance = tripStatistics.getTotalDistance() * UnitConversions.M_TO_KM;
+        if (!metricUnits) {
+          distance *= UnitConversions.KM_TO_MI;
+        }
+        timeOrDistance = distance;
+      } else {
+        timeOrDistance = tripStatistics.getTotalTime();
+      }
+
+      elevation = tripStatisticsUpdater.getSmoothedElevation();
+      if (!metricUnits) {
+        elevation *= UnitConversions.M_TO_FT;
+      }
+
+      speed = tripStatisticsUpdater.getSmoothedSpeed() * UnitConversions.MS_TO_KMH;
+      if (!metricUnits) {
+        speed *= UnitConversions.KM_TO_MI;
+      }
+      pace = speed == 0 ? 0.0 : 60.0 / speed;
+    }
+    if (location instanceof MyTracksLocation
+        && ((MyTracksLocation) location).getSensorDataSet() != null) {
+      SensorDataSet sensorDataSet = ((MyTracksLocation) location).getSensorDataSet();
+      if (sensorDataSet.hasHeartRate()
+          && sensorDataSet.getHeartRate().getState() == Sensor.SensorState.SENDING
+          && sensorDataSet.getHeartRate().hasValue()) {
+        heartRate = sensorDataSet.getHeartRate().getValue();
+      }
+      if (sensorDataSet.hasCadence()
+          && sensorDataSet.getCadence().getState() == Sensor.SensorState.SENDING
+          && sensorDataSet.getCadence().hasValue()) {
+        cadence = sensorDataSet.getCadence().getValue();
+      }
+      if (sensorDataSet.hasPower()
+          && sensorDataSet.getPower().getState() == Sensor.SensorState.SENDING
+          && sensorDataSet.getPower().hasValue()) {
+        power = sensorDataSet.getPower().getValue();
+      }
+    }
+
+    if (data != null) {
+      data[0] = timeOrDistance;
+      data[1] = elevation;
+      data[2] = speed;
+      data[3] = pace;
+      data[4] = heartRate;
+      data[5] = cadence;
+      data[6] = power;
+    }
+  }
+
+  @VisibleForTesting
+  ChartView getChartView() {
+    return chartView;
+  }
+
+  @VisibleForTesting
+  void setTripStatisticsUpdater(long time) {
+    tripStatisticsUpdater = new TripStatisticsUpdater(time);
+  }
+
+  @VisibleForTesting
+  void setChartView(ChartView view) {
+    chartView = view;
+  }
+
+  @VisibleForTesting
+  void setMetricUnits(boolean value) {
+    metricUnits = value;
+  }
+
+  @VisibleForTesting
+  void setReportSpeed(boolean value) {
+    reportSpeed = value;
+  }
+
+  @VisibleForTesting
+  void setChartByDistance(boolean value) {
+    chartByDistance = value;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/CheckPermissionFragment.java

@@ -0,0 +1,133 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.io.sendtogoogle.SendToGoogleUtils;
+import com.google.android.gms.auth.GoogleAuthException;
+import com.google.android.gms.auth.UserRecoverableAuthException;
+import com.google.api.client.googleapis.extensions.android.gms.auth.UserRecoverableAuthIOException;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.util.Log;
+
+import java.io.IOException;
+
+/**
+ * A non UI fragment to check permission.
+ * 
+ * @author Jimmy Shih
+ */
+public class CheckPermissionFragment extends Fragment {
+
+  /**
+   * Interface for caller of this fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface CheckPermissionCaller {
+
+    /**
+     * Called when check permission is done.
+     * 
+     * @param scope the permission scope
+     * @param success true if success
+     * @param intent if not success, intent to prompt for permission
+     */
+    public void onCheckPermissionDone(String scope, boolean success, Intent intent);
+  }
+
+  public static final String CHECK_PERMISSION_TAG = "checkPermission";
+
+  private static final String TAG = CheckPermissionFragment.class.getSimpleName();
+  private static final String KEY_ACCOUNT_NAME = "accountName";
+  private static final String KEY_SCOPE = "scope";
+
+  private CheckPermissionCaller caller;
+
+  public static CheckPermissionFragment newInstance(String accountName, String scope) {
+    Bundle bundle = new Bundle();
+    bundle.putString(KEY_ACCOUNT_NAME, accountName);
+    bundle.putString(KEY_SCOPE, scope);
+
+    CheckPermissionFragment checkPermissionFragment = new CheckPermissionFragment();
+    checkPermissionFragment.setArguments(bundle);
+    return checkPermissionFragment;
+  }
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (CheckPermissionCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + CheckPermissionCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    // Only want one instance
+    setRetainInstance(true);
+
+    Thread thread = new Thread(new Runnable() {
+        @Override
+      public void run() {
+        String accountName = getArguments().getString(KEY_ACCOUNT_NAME);
+        String scope = getArguments().getString(KEY_SCOPE);
+        try {
+          SendToGoogleUtils.getGoogleAccountCredential(getActivity(), accountName, scope);
+          finish(scope, true, null);
+        } catch (UserRecoverableAuthException e) {
+          Intent intent = null;
+          try {
+            // HACK: UserRecoverableAuthException.getIntent can throw a null pointer exception. 
+            intent = e.getIntent();
+          } catch (Exception e1) {
+            Log.e(TAG, "Exception in getIntent", e1);
+          }
+          finish(scope, false, intent);
+        } catch (GoogleAuthException e) {
+          Log.e(TAG, "GoogleAuthException", e);
+          finish(scope, false, null);
+        } catch (UserRecoverableAuthIOException e) {
+          finish(scope, false, e.getIntent());
+        } catch (IOException e) {
+          Log.e(TAG, "IOException", e);
+          finish(scope, false, null);
+        }
+      }
+    });
+    thread.start();
+  }
+
+  private void finish(final String scope, final boolean success, final Intent intent) {
+    getFragmentManager().popBackStack();
+    getActivity().runOnUiThread(new Runnable() {
+
+        @Override
+      public void run() {
+        caller.onCheckPermissionDone(scope, success, intent);
+      }
+    });
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ChooseAccountDialogFragment.java

@@ -0,0 +1,119 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+
+/**
+ * A DialogFragment to choose an account.
+ * 
+ * @author Jimmy Shih
+ */
+public class ChooseAccountDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface ChooseAccountCaller {
+
+    /**
+     * Called when choose account is done.
+     */
+    public void onChooseAccountDone();
+  }
+
+  public static final String CHOOSE_ACCOUNT_DIALOG_TAG = "chooseAccount";
+
+  private ChooseAccountCaller caller;
+  private FragmentActivity fragmentActivity;
+  private Account[] accounts;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (ChooseAccountCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + ChooseAccountCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    fragmentActivity = getActivity();
+    accounts = AccountManager.get(fragmentActivity).getAccountsByType(Constants.ACCOUNT_TYPE);
+
+    if (accounts.length == 1) {
+      PreferencesUtils.setString(fragmentActivity, R.string.google_account_key, accounts[0].name);
+      dismiss();
+      caller.onChooseAccountDone();
+      return;
+    }
+
+    String googleAccount = PreferencesUtils.getString(
+        fragmentActivity, R.string.google_account_key, PreferencesUtils.GOOGLE_ACCOUNT_DEFAULT);
+    for (int i = 0; i < accounts.length; i++) {
+      if (accounts[i].name.equals(googleAccount)) {
+        dismiss();
+        caller.onChooseAccountDone();
+        return;
+      }
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    if (accounts.length == 0) {
+      return new AlertDialog.Builder(fragmentActivity).setMessage(
+          R.string.send_google_no_account_message).setTitle(R.string.send_google_no_account_title)
+          .setPositiveButton(R.string.generic_ok, null).create();
+    }
+    String[] choices = new String[accounts.length];
+    for (int i = 0; i < accounts.length; i++) {
+      choices[i] = accounts[i].name;
+    }
+    return new AlertDialog.Builder(fragmentActivity).setNegativeButton(
+        R.string.generic_cancel, null)
+        .setPositiveButton(R.string.generic_ok, new OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            int position = ((AlertDialog) dialog).getListView().getCheckedItemPosition();
+            PreferencesUtils.setString(
+                fragmentActivity, R.string.google_account_key, accounts[position].name);
+            caller.onChooseAccountDone();
+          }
+        }).setSingleChoiceItems(choices, 0, null)
+        .setTitle(R.string.send_google_choose_account_title).create();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ChooseActivityDialogFragment.java

@@ -0,0 +1,260 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+import android.support.v4.app.ShareCompat;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+
+/**
+ * A DialogFragment to choose an activity.
+ * 
+ * @author Jimmy Shih
+ */
+public class ChooseActivityDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface ChooseActivityCaller {
+
+    /**
+     * Called when choose activity is done.
+     */
+    public void onChooseActivityDone(String packageName, String className);
+  }
+  
+  public static final String CHOOSE_ACTIVITY_DIALOG_TAG = "chooseActivityDialog";
+
+  private ChooseActivityCaller caller;
+  private FragmentActivity fragmentActivity;
+  private PackageManager packageManager;
+  
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (ChooseActivityCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + ChooseActivityCaller.class.getSimpleName());
+    }
+  }
+  
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    fragmentActivity = getActivity();
+    packageManager = fragmentActivity.getPackageManager();
+    List<DisplayInfo> displayInfos = getDisplayInfos();
+
+    ArrayAdapter<DisplayInfo> arrayAdapter = new ArrayAdapter<DisplayInfo>(fragmentActivity,
+        R.layout.choose_activity_list_item, R.id.choose_activity_list_item_text1, displayInfos) {
+        @Override
+      public View getView(int position, View convertView, ViewGroup parent) {
+        View view;
+        if (convertView == null) {
+          view = fragmentActivity.getLayoutInflater()
+              .inflate(R.layout.choose_activity_list_item, parent, false);
+        } else {
+          view = convertView;
+        }
+        DisplayInfo displayInfo = getItem(position);
+        TextView text1 = (TextView) view.findViewById(R.id.choose_activity_list_item_text1);
+        TextView text2 = (TextView) view.findViewById(R.id.choose_activity_list_item_text2);
+        ImageView icon = (ImageView) view.findViewById(R.id.choose_activity_list_item_icon);
+        text1.setText(displayInfo.primaryLabel);
+        if (displayInfo.secondaryLabel != null) {
+          text2.setVisibility(View.VISIBLE);
+          text2.setText(displayInfo.secondaryLabel);
+        } else {
+          text2.setVisibility(View.GONE);
+        }
+        icon.setImageDrawable(displayInfo.icon);
+        return view;
+      }
+    };
+    return new AlertDialog.Builder(fragmentActivity).setSingleChoiceItems(
+        arrayAdapter, 0, new DialogInterface.OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            AlertDialog alertDialog = (AlertDialog) dialog;
+            DisplayInfo displayInfo = (DisplayInfo) alertDialog.getListView()
+                .getItemAtPosition(which);
+            ActivityInfo activityInfo = displayInfo.resolveInfo.activityInfo;
+            dismiss();
+            caller.onChooseActivityDone(
+                activityInfo.applicationInfo.packageName, activityInfo.name);
+          }
+        }).setTitle(R.string.share_track_share_url_title).create();
+  }
+
+  @Override
+  public void onCancel(DialogInterface dialog) {
+    super.onCancel(dialog);
+    caller.onChooseActivityDone(null, null);
+  }
+  
+  /**
+   * Gets the display info.
+   */
+  private List<DisplayInfo> getDisplayInfos() {
+    List<DisplayInfo> displayInfos = new ArrayList<DisplayInfo>();
+    Intent intent = ShareCompat.IntentBuilder.from(fragmentActivity)
+        .setType(IntentUtils.TEXT_PLAIN_TYPE).getIntent();
+    List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(
+        intent, PackageManager.MATCH_DEFAULT_ONLY);
+    if (resolveInfos != null && resolveInfos.size() > 0) {
+      int size = resolveInfos.size();
+      ResolveInfo firstResolveInfo = resolveInfos.get(0);
+      for (int i = 1; i < size; i++) {
+        ResolveInfo resolveInfo = resolveInfos.get(i);
+        if (firstResolveInfo.priority != resolveInfo.priority
+            || firstResolveInfo.isDefault != resolveInfo.isDefault) {
+          while (i < size) {
+            resolveInfos.remove(i);
+            size--;
+          }
+        }
+      }
+      if (size > 1) {
+        ResolveInfo.DisplayNameComparator displayNameComparator = new ResolveInfo.DisplayNameComparator(
+            packageManager);
+        Collections.sort(resolveInfos, displayNameComparator);
+      }
+
+      firstResolveInfo = resolveInfos.get(0);
+      int start = 0;
+      CharSequence firstLabel = firstResolveInfo.loadLabel(packageManager);
+      for (int i = 1; i < size; i++) {
+        if (firstLabel == null) {
+          firstLabel = firstResolveInfo.activityInfo.packageName;
+        }
+        ResolveInfo resolveInfo = resolveInfos.get(i);
+        CharSequence label = resolveInfo.loadLabel(packageManager);
+        if (label == null) {
+          label = resolveInfo.activityInfo.packageName;
+        }
+        if (label.equals(firstLabel)) {
+          continue;
+        }
+        processGroup(resolveInfos, displayInfos, start, i - 1);
+        firstResolveInfo = resolveInfo;
+        firstLabel = label;
+        start = i;
+      }
+      // Process last group
+      processGroup(resolveInfos, displayInfos, start, size - 1);
+    }
+    return displayInfos;
+  }
+
+  /**
+   * Contains display info.
+   * 
+   * @author Jimmy Shih
+   */
+  private final class DisplayInfo {
+    private ResolveInfo resolveInfo;
+    private CharSequence primaryLabel;
+    private CharSequence secondaryLabel;
+    private Drawable icon;
+
+    public DisplayInfo(ResolveInfo resolveInfo, CharSequence primaryLabel,
+        CharSequence secondaryLabel, Drawable icon) {
+      this.resolveInfo = resolveInfo;
+      this.primaryLabel = primaryLabel;
+      this.secondaryLabel = secondaryLabel;
+      this.icon = icon;
+    }
+  }
+
+  /**
+   * Processes a group of items with the same label.
+   * 
+   * @param resolveInfos list of resolve infos
+   * @param displayInfos list of display infos
+   * @param start start index
+   * @param end end index
+   */
+  private void processGroup(
+      List<ResolveInfo> resolveInfos, List<DisplayInfo> displayInfos, int start, int end) {
+    ResolveInfo startResolveInfo = resolveInfos.get(start);
+    CharSequence primaryLabel = startResolveInfo.loadLabel(packageManager);
+    Drawable icon = startResolveInfo.loadIcon(packageManager);
+
+    int num = end - start + 1;
+    if (num == 1) {
+      // Only one, set the secondary label to null
+      displayInfos.add(new DisplayInfo(startResolveInfo, primaryLabel, null, icon));
+    } else {
+      // Decide package name or application name for the secondary label
+      boolean usePackageName = false;
+      CharSequence appName = startResolveInfo.activityInfo.applicationInfo.loadLabel(
+          packageManager);
+      if (appName == null) {
+        usePackageName = true;
+      } else {
+        // Use HashSet to track duplicates
+        HashSet<CharSequence> duplicates = new HashSet<CharSequence>();
+        duplicates.add(appName);
+        for (int i = start + 1; i <= end; i++) {
+          ResolveInfo resolveInfo = resolveInfos.get(i);
+          CharSequence name = resolveInfo.activityInfo.applicationInfo.loadLabel(packageManager);
+          if ((name == null) || (duplicates.contains(name))) {
+            usePackageName = true;
+            break;
+          } else {
+            duplicates.add(name);
+          }
+        }
+        // Clear HashSet for later use
+        duplicates.clear();
+      }
+      for (int i = start; i <= end; i++) {
+        ResolveInfo resolveInfo = resolveInfos.get(i);
+        CharSequence secondaryLabel = usePackageName ? resolveInfo.activityInfo.packageName
+            : resolveInfo.activityInfo.applicationInfo.loadLabel(packageManager);
+        displayInfos.add(new DisplayInfo(resolveInfo, primaryLabel, secondaryLabel, icon));
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ChooseActivityTypeDialogFragment.java

@@ -0,0 +1,105 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.TrackIconUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.graphics.BitmapFactory;
+import android.graphics.BitmapFactory.Options;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.GridView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A DialogFragment to choose an activity type.
+ *
+ * @author apoorvn
+ */
+public class ChooseActivityTypeDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   *
+   * @author apoorvn
+   */
+  public interface ChooseActivityTypeCaller {
+
+    /**
+     * Called when choose activity type is done.
+     */
+    public void onChooseActivityTypeDone(String iconValue);
+  }
+
+  public static final String CHOOSE_ACTIVITY_TYPE_DIALOG_TAG = "chooseActivityType";
+
+  private ChooseActivityTypeCaller caller;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (ChooseActivityTypeCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(activity.toString() + " must implement "
+          + ChooseActivityTypeCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    GridView gridView =
+        (GridView) getActivity().getLayoutInflater().inflate(R.layout.choose_activity_type, null);
+
+    final List<String> iconValues = TrackIconUtils.getAllIconValues();
+    List<Integer> imageIds = new ArrayList<Integer>();
+    for (String iconValue : iconValues) {
+      imageIds.add(TrackIconUtils.getIconDrawable(iconValue));
+    }
+
+    Options options = new BitmapFactory.Options();
+    options.inJustDecodeBounds = true;
+    BitmapFactory.decodeResource(getResources(), R.drawable.ic_track_airplane, options);
+    int padding = 32;
+    int width = options.outWidth + 2 * padding;
+    int height = options.outHeight + 2 * padding;
+    gridView.setColumnWidth(width);
+
+    ChooseActivityTypeImageAdapter imageAdapter =
+        new ChooseActivityTypeImageAdapter(getActivity(), imageIds, width, height, padding);
+    gridView.setAdapter(imageAdapter);
+    gridView.setOnItemClickListener(new OnItemClickListener() {
+      @Override
+      public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
+        dismiss();
+        caller.onChooseActivityTypeDone(iconValues.get(position));
+      }
+    });
+
+    return new AlertDialog.Builder(getActivity()).setNegativeButton(R.string.generic_cancel, null)
+        .setTitle(R.string.track_edit_activity_type_hint).setView(gridView).create();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ChooseActivityTypeImageAdapter.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import android.content.Context;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+
+import java.util.List;
+
+/**
+ * Image adapter for choosing an activity type.
+ *
+ * @author apoorvn
+ */
+public class ChooseActivityTypeImageAdapter extends BaseAdapter {
+
+  private final Context context;
+  private final List<Integer> imageIds;
+  private final int width;
+  private final int height;
+  private final int padding;
+
+  public ChooseActivityTypeImageAdapter(
+      Context context, List<Integer> imageIds, int width, int height, int padding) {
+    this.context = context;
+    this.imageIds = imageIds;
+    this.width = width;
+    this.height = height;
+    this.padding = padding;
+  }
+
+  @Override
+  public int getCount() {
+    return imageIds.size();
+  }
+
+  @Override
+  public Object getItem(int position) {
+    return null;
+  }
+
+  @Override
+  public long getItemId(int position) {
+    return 0;
+  }
+
+  @Override
+  public View getView(int position, View convertView, ViewGroup parent) {
+    ImageView imageView;
+    if (convertView == null) {
+      imageView = new ImageView(context);
+    } else {
+      imageView = (ImageView) convertView;
+    }
+    imageView.setImageResource(imageIds.get(position));
+    imageView.setMinimumHeight(height);
+    imageView.setMinimumWidth(width);
+    imageView.setPadding(padding, padding, padding, padding);
+    return imageView;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ConfirmDeleteDialogFragment.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.DialogUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+
+/**
+ * A DialogFragment to confirm delete.
+ * 
+ * @author Jimmy Shih
+ */
+public class ConfirmDeleteDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface ConfirmDeleteCaller {
+
+    /**
+     * Called when confirm delete is done.
+     * 
+     * @param trackIds list of track ids to delete. To delete all, set to size 1
+     *          with trackIds[0] == -1L
+     */
+    public void onConfirmDeleteDone(long[] trackIds);
+  }
+
+  public static final String CONFIRM_DELETE_DIALOG_TAG = "confirmDeleteDialog";
+  private static final String KEY_TRACK_IDS = "trackIds";
+
+  /**
+   * Create a new instance.
+   * 
+   * @param trackIds list of track ids to delete. To delete all, set to size 1
+   *          with trackIds[0] == -1L
+   */
+  public static ConfirmDeleteDialogFragment newInstance(long[] trackIds) {
+    Bundle bundle = new Bundle();
+    bundle.putLongArray(KEY_TRACK_IDS, trackIds);
+
+    ConfirmDeleteDialogFragment deleteTrackDialogFragment = new ConfirmDeleteDialogFragment();
+    deleteTrackDialogFragment.setArguments(bundle);
+    return deleteTrackDialogFragment;
+  }
+
+  private ConfirmDeleteCaller caller;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (ConfirmDeleteCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + ConfirmDeleteCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    final long[] trackIds = getArguments().getLongArray(KEY_TRACK_IDS);
+    int titleId;
+    int messageId;
+    if (trackIds.length == 1 && trackIds[0] == -1L) {
+      titleId = R.string.track_delete_all_confirm_title;
+      messageId = R.string.track_delete_all_confirm_message;
+    } else {
+      titleId = trackIds.length > 1 ? R.string.generic_delete_selected_confirm_title
+          : R.string.track_delete_one_confirm_title;
+      messageId = trackIds.length > 1 ? R.string.track_delete_multiple_confirm_message
+          : R.string.track_delete_one_confirm_message;
+    }
+    return DialogUtils.createConfirmationDialog(
+        getActivity(), titleId, getString(messageId), new DialogInterface.OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            caller.onConfirmDeleteDone(trackIds);
+          }
+        });
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ConfirmSyncDialogFragment.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+
+/**
+ * A DialogFrament to confirm sync to Google Drive.
+ * 
+ * @author Jimmy Shih
+ */
+public class ConfirmSyncDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface ConfirmSyncCaller {
+
+    /**
+     * Called when confirm sync is done.
+     */
+    public void onConfirmSyncDone(boolean enable);
+  }
+
+  public static final String CONFIRM_SYNC_DIALOG_TAG = "confirmSyncDialog";
+
+  private ConfirmSyncCaller caller;
+  private FragmentActivity fragmentActivity;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (ConfirmSyncCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + ConfirmSyncCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    fragmentActivity = getActivity();
+    if (PreferencesUtils.getBoolean(
+        fragmentActivity, R.string.drive_sync_key, PreferencesUtils.DRIVE_SYNC_DEFAULT)) {
+      dismiss();
+      caller.onConfirmSyncDone(false);
+      return;
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    String googleAccount = PreferencesUtils.getString(
+        fragmentActivity, R.string.google_account_key, PreferencesUtils.GOOGLE_ACCOUNT_DEFAULT);
+    String message = getString(
+        R.string.sync_drive_confirm_message, googleAccount, getString(R.string.my_tracks_app_name));
+    return new AlertDialog.Builder(fragmentActivity).setMessage(message)
+        .setNegativeButton(R.string.generic_no, new OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            caller.onConfirmSyncDone(false);
+          }
+        }).setPositiveButton(R.string.generic_yes, new OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            caller.onConfirmSyncDone(true);
+          }
+        }).setTitle(R.string.sync_drive_title).create();
+  }
+
+  @Override
+  public void onCancel(DialogInterface arg0) {
+    caller.onConfirmSyncDone(false);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/DeleteMarkerDialogFragment.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.content.DescriptionGeneratorImpl;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.util.DialogUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+
+/**
+ * A DialogFragment to delete marker.
+ * 
+ * @author Jimmy Shih
+ */
+public class DeleteMarkerDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface DeleteMarkerCaller {
+
+    /**
+     * Called when delete marker is done.
+     */
+    public void onDeleteMarkerDone();
+  }
+
+  public static final String DELETE_MARKER_DIALOG_TAG = "deleteMarkerDialog";
+  private static final String KEY_MARKER_IDS = "markerIds";
+
+  public static DeleteMarkerDialogFragment newInstance(long[] markerIds) {
+    Bundle bundle = new Bundle();
+    bundle.putLongArray(KEY_MARKER_IDS, markerIds);
+
+    DeleteMarkerDialogFragment deleteMarkerDialogFragment = new DeleteMarkerDialogFragment();
+    deleteMarkerDialogFragment.setArguments(bundle);
+    return deleteMarkerDialogFragment;
+  }
+
+  private DeleteMarkerCaller caller;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (DeleteMarkerCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + DeleteMarkerCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    final FragmentActivity fragmentActivity = getActivity();
+    final long[] markerIds = getArguments().getLongArray(KEY_MARKER_IDS);
+    int titleId = markerIds.length > 1 ? R.string.generic_delete_selected_confirm_title
+        : R.string.marker_delete_one_confirm_title;
+    int messageId = markerIds.length > 1 ? R.string.marker_delete_multiple_confirm_message
+        : R.string.marker_delete_one_confirm_message;
+    return DialogUtils.createConfirmationDialog(
+        fragmentActivity, titleId, getString(messageId), new DialogInterface.OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            new Thread(new Runnable() {
+                @Override
+              public void run() {
+                for (long markerId : markerIds) {
+                  MyTracksProviderUtils.Factory.get(fragmentActivity)
+                      .deleteWaypoint(markerId, new DescriptionGeneratorImpl(fragmentActivity));
+                }
+                caller.onDeleteMarkerDone();
+              }
+            }).start();
+          }
+        });
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/EnableSyncDialogFragment.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+
+/**
+ * A DialogFrament to enable sync to Google Drive.
+ * 
+ * @author Jimmy Shih
+ */
+public class EnableSyncDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface EnableSyncCaller {
+
+    /**
+     * Called when enable sync is done.
+     */
+    public void onEnableSyncDone(boolean enable);
+  }
+
+  public static final String ENABLE_SYNC_DIALOG_TAG = "enableSyncDialog";
+
+  private EnableSyncCaller caller;
+  private FragmentActivity fragmentActivity;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (EnableSyncCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + EnableSyncCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    fragmentActivity = getActivity();
+    if (PreferencesUtils.getBoolean(
+        fragmentActivity, R.string.drive_sync_key, PreferencesUtils.DRIVE_SYNC_DEFAULT)) {
+      dismiss();
+      caller.onEnableSyncDone(false);
+      return;
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    return new AlertDialog.Builder(fragmentActivity).setMessage(R.string.sync_drive_enable_message)
+        .setNegativeButton(R.string.generic_no, new OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            caller.onEnableSyncDone(false);
+          }
+        }).setPositiveButton(R.string.generic_yes, new OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            caller.onEnableSyncDone(true);
+          }
+        }).setTitle(R.string.sync_drive_title).create();
+  }
+
+  @Override
+  public void onCancel(DialogInterface arg0) {
+    caller.onEnableSyncDone(false);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/EulaDialogFragment.java

@@ -0,0 +1,153 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.EulaUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+import android.text.SpannableString;
+import android.text.method.LinkMovementMethod;
+import android.text.util.Linkify;
+import android.view.KeyEvent;
+import android.widget.TextView;
+
+/**
+ * A DialogFragment to show EULA.
+ * 
+ * @author Jimmy Shih
+ */
+public class EulaDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface EulaCaller {
+
+    /**
+     * Called when eula is done.
+     */
+    public void onEulaDone();
+  }
+
+  public static final String EULA_DIALOG_TAG = "eulaDialog";
+  private static final String KEY_HAS_ACCEPTED = "hasAccepted";
+  private static final String GOOGLE_URL = "m.google.com";
+  private static final String KOREAN = "ko";
+
+  /**
+   * Creates a new instance of {@link EulaDialogFragment}.
+   * 
+   * @param hasAccepted true if the user has accepted the eula.
+   */
+  public static EulaDialogFragment newInstance(boolean hasAccepted) {
+    Bundle bundle = new Bundle();
+    bundle.putBoolean(KEY_HAS_ACCEPTED, hasAccepted);
+
+    EulaDialogFragment eulaDialogFragment = new EulaDialogFragment();
+    eulaDialogFragment.setArguments(bundle);
+    return eulaDialogFragment;
+  }
+
+  private EulaCaller caller;
+  private FragmentActivity fragmentActivity;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (EulaCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + EulaCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    fragmentActivity = getActivity();
+
+    boolean hasAccepted = getArguments().getBoolean(KEY_HAS_ACCEPTED);
+
+    SpannableString message = new SpannableString(getEulaText());
+    Linkify.addLinks(message, Linkify.WEB_URLS);
+
+    AlertDialog.Builder builder = new AlertDialog.Builder(fragmentActivity).setMessage(message)
+        .setTitle(R.string.eula_title);
+
+    if (hasAccepted) {
+      builder.setPositiveButton(R.string.generic_ok, null);
+    } else {
+      builder.setNegativeButton(R.string.eula_decline, new DialogInterface.OnClickListener() {
+          @Override
+        public void onClick(DialogInterface dialog, int which) {
+          caller.onEulaDone();
+        }
+      }).setOnKeyListener(new DialogInterface.OnKeyListener() {
+          @Override
+        public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
+          if (keyCode == KeyEvent.KEYCODE_SEARCH) {
+            return true;
+          }
+          return false;
+        }
+      }).setPositiveButton(R.string.eula_accept, new DialogInterface.OnClickListener() {
+          @Override
+        public void onClick(DialogInterface dialog, int which) {
+          EulaUtils.setAcceptEula(fragmentActivity);
+          caller.onEulaDone();
+        }
+      });
+    }   
+    return builder.create();
+  }
+
+  @Override
+  public void onStart() {
+    super.onStart();   
+    TextView textView = (TextView) getDialog().findViewById(android.R.id.message);
+    textView.setMovementMethod(LinkMovementMethod.getInstance());
+    textView.setTextAppearance(fragmentActivity, R.style.TextSmall);
+  }
+  
+  @Override
+  public void onCancel(DialogInterface arg0) {
+    caller.onEulaDone();
+  }
+
+  /**
+   * Gets the EULA text.
+   */
+  private String getEulaText() {
+    String tos = getString(R.string.eula_date) + "\n\n" + getString(R.string.eula_body, GOOGLE_URL)
+        + "\n\n" + getString(R.string.eula_footer, GOOGLE_URL) + "\n\n"
+        + getString(R.string.eula_copyright_year);
+    boolean isKorean = getResources().getConfiguration().locale.getLanguage().equals(KOREAN);
+    if (isKorean) {
+      tos += "\n\n" + getString(R.string.eula_korean);
+    }
+    return tos;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ExportDialogFragment.java

@@ -0,0 +1,248 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+import android.view.View;
+import android.widget.RadioButton;
+import android.widget.RadioGroup;
+import android.widget.RadioGroup.OnCheckedChangeListener;
+
+/**
+ * A DialogFragment to export a track.
+ * 
+ * @author Jimmy Shih
+ */
+public class ExportDialogFragment extends DialogFragment {
+
+  /**
+   * Export types.
+   * 
+   * @author Jimmy Shih
+   */
+  public enum ExportType {
+    GOOGLE_MAPS, GOOGLE_FUSION_TABLES, GOOGLE_SPREADSHEET, EXTERNAL_STORAGE
+  }
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface ExportCaller {
+
+    /**
+     * Called when export is done.
+     */
+    public void onExportDone(ExportType exportType, TrackFileFormat trackFileFormat);
+  }
+
+  public static final String EXPORT_DIALOG_TAG = "export";
+
+  private ExportCaller caller;
+  private RadioGroup exportTypeOptions;
+  private RadioGroup exportGoogleMapsOptions;
+  private RadioGroup exportGoogleFusionTablesOptions;
+  private RadioGroup exportExternalStorageOptions;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (ExportCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + ExportCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    FragmentActivity fragmentActivity = getActivity();
+
+    View view = fragmentActivity.getLayoutInflater().inflate(R.layout.export, null);
+
+    exportTypeOptions = (RadioGroup) view.findViewById(R.id.export_type_options);
+    exportGoogleMapsOptions = (RadioGroup) view.findViewById(R.id.export_google_maps_options);
+    exportGoogleFusionTablesOptions = (RadioGroup) view.findViewById(
+        R.id.export_google_fusion_tables_options);
+    exportExternalStorageOptions = (RadioGroup) view.findViewById(
+        R.id.export_external_storage_options);
+
+    exportTypeOptions.setOnCheckedChangeListener(new OnCheckedChangeListener() {
+        @Override
+      public void onCheckedChanged(RadioGroup group, int checkedId) {
+        exportGoogleMapsOptions.setVisibility(
+            checkedId == R.id.export_google_maps ? View.VISIBLE : View.GONE);
+        exportGoogleFusionTablesOptions.setVisibility(
+            checkedId == R.id.export_google_fusion_tables ? View.VISIBLE : View.GONE);
+        exportExternalStorageOptions.setVisibility(
+            checkedId == R.id.export_external_storage ? View.VISIBLE : View.GONE);
+      }
+    });
+    ExportType exportType = ExportType.valueOf(PreferencesUtils.getString(
+        fragmentActivity, R.string.export_type_key, PreferencesUtils.EXPORT_TYPE_DEFAULT));
+    exportTypeOptions.check(getExportTypeId(exportType));
+
+    boolean exportGoogleMapsPublic = PreferencesUtils.getBoolean(fragmentActivity,
+        R.string.export_google_maps_public_key, PreferencesUtils.EXPORT_GOOGLE_MAPS_PUBLIC_DEFAULT);
+    exportGoogleMapsOptions.check(
+        exportGoogleMapsPublic ? R.id.export_google_maps_public : R.id.export_google_maps_unlisted);
+
+    boolean exportGoogleFusionTablesPublic = PreferencesUtils.getBoolean(fragmentActivity,
+        R.string.export_google_fusion_tables_public_key,
+        PreferencesUtils.EXPORT_GOOGLE_FUSION_TABLES_PUBLIC_DEFAULT);
+    exportGoogleFusionTablesOptions.check(
+        exportGoogleFusionTablesPublic ? R.id.export_google_fusion_tables_public
+            : R.id.export_google_fusion_tables_private);
+
+    setExternalStorageOption(
+        (RadioButton) view.findViewById(R.id.export_external_storage_kml), TrackFileFormat.KML);
+    setExternalStorageOption(
+        (RadioButton) view.findViewById(R.id.export_external_storage_gpx), TrackFileFormat.GPX);
+    setExternalStorageOption(
+        (RadioButton) view.findViewById(R.id.export_external_storage_csv), TrackFileFormat.CSV);
+    setExternalStorageOption(
+        (RadioButton) view.findViewById(R.id.export_external_storage_tcx), TrackFileFormat.TCX);
+    TrackFileFormat trackFileFormat = TrackFileFormat.valueOf(PreferencesUtils.getString(
+        fragmentActivity, R.string.export_external_storage_format_key,
+        PreferencesUtils.EXPORT_EXTERNAL_STORAGE_FORMAT_DEFAULT));
+    exportExternalStorageOptions.check(getExternalStorageFormatId(trackFileFormat));
+
+    return new AlertDialog.Builder(fragmentActivity).setNegativeButton(
+        R.string.generic_cancel, null)
+        .setPositiveButton(R.string.menu_export, new DialogInterface.OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            FragmentActivity context = getActivity();
+            int id = exportTypeOptions.getCheckedRadioButtonId();
+            ExportType type = getExportType(id);
+            TrackFileFormat format = null;
+
+            PreferencesUtils.setString(context, R.string.export_type_key, type.name());
+            if (id == R.id.export_google_maps) {
+              PreferencesUtils.setBoolean(context, R.string.export_google_maps_public_key,
+                  exportGoogleMapsOptions.getCheckedRadioButtonId()
+                  == R.id.export_google_maps_public);
+            } else if (id == R.id.export_google_fusion_tables) {
+              PreferencesUtils.setBoolean(context, R.string.export_google_fusion_tables_public_key,
+                  exportGoogleFusionTablesOptions.getCheckedRadioButtonId()
+                  == R.id.export_google_fusion_tables_public);
+            } else if (id == R.id.export_external_storage) {
+              format = getTrackFileFormat(exportExternalStorageOptions.getCheckedRadioButtonId());
+              PreferencesUtils.setString(
+                  context, R.string.export_external_storage_format_key, format.name());
+            }
+            caller.onExportDone(type, format);
+          }
+        }).setTitle(R.string.export_title).setView(view).create();
+  }
+
+  /**
+   * Sets an external storage option.
+   * 
+   * @param radioButton the radio button
+   * @param trackFileFormat the track file format
+   */
+  private void setExternalStorageOption(RadioButton radioButton, TrackFileFormat trackFileFormat) {
+    radioButton.setText(getString(R.string.export_external_storage_option, trackFileFormat.name(),
+        FileUtils.getPathDisplayName(trackFileFormat.getExtension())));
+  }
+
+  /**
+   * Gets the external storage format id from a track file format.
+   * 
+   * @param trackFileFormat the track file format
+   */
+  private int getExternalStorageFormatId(TrackFileFormat trackFileFormat) {
+    switch (trackFileFormat) {
+      case KML:
+        return R.id.export_external_storage_kml;
+      case GPX:
+        return R.id.export_external_storage_gpx;
+      case CSV:
+        return R.id.export_external_storage_csv;
+      default:
+        return R.id.export_external_storage_tcx;
+    }
+  }
+
+  /**
+   * Gets the track file format from an external storage format id.
+   * 
+   * @param externalStorageFormatId the external storage format id
+   */
+  private TrackFileFormat getTrackFileFormat(int externalStorageFormatId) {
+    switch (externalStorageFormatId) {
+      case R.id.export_external_storage_kml:
+        return TrackFileFormat.KML;
+      case R.id.export_external_storage_gpx:
+        return TrackFileFormat.GPX;
+      case R.id.export_external_storage_csv:
+        return TrackFileFormat.CSV;
+      default:
+        return TrackFileFormat.TCX;
+    }
+  }
+
+  /**
+   * Gets the export type id from an export type.
+   * 
+   * @param exportType the export type
+   */
+  private int getExportTypeId(ExportType exportType) {
+    switch (exportType) {
+      case GOOGLE_MAPS:
+        return R.id.export_google_maps;
+      case GOOGLE_FUSION_TABLES:
+        return R.id.export_google_fusion_tables;
+      case GOOGLE_SPREADSHEET:
+        return R.id.export_google_spreadsheets;
+      default:
+        return R.id.export_external_storage;
+    }
+  }
+
+  /**
+   * Gets the export type from an export type id.
+   * 
+   * @param exportTypeId the export type id
+   */
+  private ExportType getExportType(int exportTypeId) {
+    switch (exportTypeId) {
+      case R.id.export_google_maps:
+        return ExportType.GOOGLE_MAPS;
+      case R.id.export_google_fusion_tables:
+        return ExportType.GOOGLE_FUSION_TABLES;
+      case R.id.export_google_spreadsheets:
+        return ExportType.GOOGLE_SPREADSHEET;
+      default:
+        return ExportType.EXTERNAL_STORAGE;
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/FileTypeDialogFragment.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+
+/**
+ * A DialogFragment to select a file type, gpx, kml, etc.
+ * 
+ * @author Jimmy Shih
+ */
+public class FileTypeDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface FileTypeCaller {
+
+    /**
+     * Called when file type selection is done.
+     */
+    public void onFileTypeDone(int menuId, TrackFileFormat trackFileFormat);
+  }
+
+  public static final String FILE_TYPE_DIALOG_TAG = "fileType";
+
+  private static final String KEY_MENU_ID = "menuId";
+  private static final String KEY_TITLE_ID = "titleId";
+  private static final String KEY_OPTION_ID = "optionId";
+  private static final String KEY_SIZE = "size";
+
+  public static FileTypeDialogFragment newInstance(
+      int menuId, int titleId, int optionId, int size) {
+    Bundle bundle = new Bundle();
+    bundle.putInt(KEY_MENU_ID, menuId);
+    bundle.putInt(KEY_TITLE_ID, titleId);
+    bundle.putInt(KEY_OPTION_ID, optionId);
+    bundle.putInt(KEY_SIZE, size);
+
+    FileTypeDialogFragment fileTypeDialogFragment = new FileTypeDialogFragment();
+    fileTypeDialogFragment.setArguments(bundle);
+    return fileTypeDialogFragment;
+  }
+
+  private FileTypeCaller caller;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (FileTypeCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + FileTypeCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    int size = getArguments().getInt(KEY_SIZE);
+    int optionId = getArguments().getInt(KEY_OPTION_ID);
+    final int titleId = getArguments().getInt(KEY_TITLE_ID);
+    final int menuId = getArguments().getInt(KEY_MENU_ID);
+    String[] choices = new String[size];
+    TrackFileFormat[] trackFileFormats = TrackFileFormat.values();
+    for (int i = 0; i < choices.length; i++) {
+      TrackFileFormat trackFileFormat = trackFileFormats[i];
+      choices[i] = getString(optionId, trackFileFormat.name(),
+          FileUtils.getPathDisplayName(trackFileFormat.getExtension()));
+    }
+    return new AlertDialog.Builder(getActivity()).setNegativeButton(R.string.generic_cancel, null)
+        .setPositiveButton(R.string.generic_ok, new OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            int position = ((AlertDialog) dialog).getListView().getCheckedItemPosition();
+            caller.onFileTypeDone(menuId, TrackFileFormat.values()[position]);
+          }
+        }).setSingleChoiceItems(choices, 0, null).setTitle(titleId).create();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/FrequencyDialogFragment.java

@@ -0,0 +1,110 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+
+/**
+ * A DialogFragment to configure frequency.
+ * 
+ * @author Jimmy Shih
+ */
+public class FrequencyDialogFragment extends DialogFragment {
+
+  public static final String FREQUENCY_DIALOG_TAG = "frequencyDialog";
+
+  private static final String KEY_PREFERENCE_ID = "preferenceId";
+  private static final String KEY_DEFAULT_VALUE = "defaultValue";
+  private static final String KEY_TITLE_ID = "titleId";
+
+  public static FrequencyDialogFragment newInstance(
+      int preferenceId, int defaultValue, int titleId) {
+    Bundle bundle = new Bundle();
+    bundle.putInt(KEY_PREFERENCE_ID, preferenceId);
+    bundle.putInt(KEY_DEFAULT_VALUE, defaultValue);
+    bundle.putInt(KEY_TITLE_ID, titleId);
+
+    FrequencyDialogFragment frequencyDialogFragment = new FrequencyDialogFragment();
+    frequencyDialogFragment.setArguments(bundle);
+    return frequencyDialogFragment;
+  }
+
+  private FragmentActivity fragmentActivity; 
+  
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    fragmentActivity = getActivity();
+    
+    final int preferenceId = getArguments().getInt(KEY_PREFERENCE_ID);
+    int defaultValue = getArguments().getInt(KEY_DEFAULT_VALUE);
+    int titleId = getArguments().getInt(KEY_TITLE_ID);
+    int frequencyValue = PreferencesUtils.getInt(fragmentActivity, preferenceId, defaultValue);
+
+    return new AlertDialog.Builder(fragmentActivity)
+        .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+          @Override
+          public void onClick(DialogInterface dialog, int which) {
+            int listIndex = ((AlertDialog) dialog).getListView().getCheckedItemPosition();
+            PreferencesUtils.setInt(fragmentActivity, preferenceId, getFrequencyValue(listIndex));
+          }
+        })
+        .setSingleChoiceItems(getFrequencyDisplayOptions(), getListIndex(frequencyValue), null)
+        .setTitle(titleId)
+        .create();
+  }
+
+  /**
+   * Gets the frequency display options.
+   */
+  private String[] getFrequencyDisplayOptions() {
+    boolean metricUnits = PreferencesUtils.isMetricUnits(fragmentActivity);
+    return StringUtils.getFrequencyOptions(fragmentActivity, metricUnits);
+  }
+
+  /**
+   * Gets the list index for a frequency value. Returns 0 if the value is not on
+   * the list.
+   */
+  private int getListIndex(int frequencyValue) {
+    String[] values = getResources().getStringArray(R.array.frequency_values);
+    for (int i = 0; i < values.length; i++) {
+      if (frequencyValue == Integer.parseInt(values[i])) {
+        return i;
+      }
+    }
+    return 0;
+  }
+
+  /**
+   * Gets the frequency value from a list index.
+   * 
+   * @param listIndex the list index
+   */
+  private int getFrequencyValue(int listIndex) {
+    String[] values = getResources().getStringArray(R.array.frequency_values);
+    return Integer.parseInt(values[listIndex]);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/InstallEarthDialogFragment.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.GoogleEarthUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.ActivityNotFoundException;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+import android.widget.Toast;
+
+/**
+ * A DialogFragment to install Google Earth.
+ * 
+ * @author Jimmy Shih
+ */
+public class InstallEarthDialogFragment extends DialogFragment {
+
+  public static final String INSTALL_EARTH_DIALOG_TAG = "installEarthDialog";
+
+  private FragmentActivity fragmentActivity;
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    fragmentActivity = getActivity();
+    return new AlertDialog.Builder(fragmentActivity).setMessage(
+        R.string.track_detail_install_earth_message).setNegativeButton(R.string.generic_no, null)
+        .setPositiveButton(R.string.generic_yes, new DialogInterface.OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            Intent intent = new Intent().setData(
+                Uri.parse(GoogleEarthUtils.GOOGLE_EARTH_MARKET_URL));
+            try {
+              startActivity(intent);
+            } catch (ActivityNotFoundException e) {
+              Toast.makeText(
+                  fragmentActivity, R.string.track_detail_install_earth_error, Toast.LENGTH_LONG)
+                  .show();
+            }
+          }
+        }).setTitle(R.string.track_detail_install_earth_title).create();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/MarkerDetailFragment.java

@@ -0,0 +1,201 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.MarkerEditActivity;
+import com.google.android.apps.mytracks.TrackDetailActivity;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.PhotoUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.StatsUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentActivity;
+import android.util.Log;
+import android.view.Display;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+/**
+ * A fragment to show marker details.
+ * 
+ * @author Jimmy Shih
+ */
+public class MarkerDetailFragment extends Fragment {
+
+  private static final String TAG = MarkerDetailFragment.class.getSimpleName();
+  private static final String KEY_MARKER_ID = "markerId";
+
+  public static MarkerDetailFragment newInstance(long markerId) {
+    MarkerDetailFragment fragment = new MarkerDetailFragment();
+
+    Bundle bundle = new Bundle();
+    bundle.putLong(KEY_MARKER_ID, markerId);
+    fragment.setArguments(bundle);
+
+    return fragment;
+  }
+
+  private MyTracksProviderUtils myTracksProviderUtils;
+  private Waypoint waypoint;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    long markerId = getArguments().getLong(KEY_MARKER_ID);
+    if (markerId == -1L) {
+      Log.d(TAG, "invalid marker id");
+      getFragmentManager().popBackStack();
+      return;
+    }
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(getActivity());
+  }
+
+  @Override
+  public View onCreateView(
+      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+    setHasOptionsMenu(true);
+    return inflater.inflate(R.layout.marker_detail_fragment, container, false);
+  };
+
+  @Override
+  public void onResume() {
+    super.onResume();
+
+    // Need to update the waypoint in case returning after an edit
+    updateWaypoint(true);
+    update();
+  }
+
+  @Override
+  public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+    inflater.inflate(R.menu.marker_detail, menu);
+
+    updateWaypoint(false);
+    
+    Track track = myTracksProviderUtils.getTrack(waypoint.getTrackId());
+    boolean isSharedWithMe = track != null ? track.isSharedWithMe() : true;
+
+    menu.findItem(R.id.marker_detail_edit).setVisible(!isSharedWithMe);
+    menu.findItem(R.id.marker_detail_delete).setVisible(!isSharedWithMe);
+  }
+
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    long markerId = getArguments().getLong(KEY_MARKER_ID);
+    FragmentActivity fragmentActivity = getActivity();
+    Intent intent;
+    
+    switch (item.getItemId()) {
+      case R.id.marker_detail_show_on_map:
+        intent = IntentUtils.newIntent(fragmentActivity, TrackDetailActivity.class)
+            .putExtra(TrackDetailActivity.EXTRA_MARKER_ID, markerId);
+        startActivity(intent);
+        return true;
+      case R.id.marker_detail_edit:
+        intent = IntentUtils.newIntent(fragmentActivity, MarkerEditActivity.class)
+            .putExtra(MarkerEditActivity.EXTRA_MARKER_ID, markerId);
+        startActivity(intent);
+        return true;
+      case R.id.marker_detail_delete:
+        DeleteMarkerDialogFragment.newInstance(new long[] { markerId })
+            .show(getChildFragmentManager(), DeleteMarkerDialogFragment.DELETE_MARKER_DIALOG_TAG);
+        return true;
+      default:
+        return super.onOptionsItemSelected(item);
+    }
+  }
+
+  /**
+   * Updates the waypoint.
+   * 
+   * @param refresh true to always update
+   */
+  private void updateWaypoint(boolean refresh) {
+    if (refresh || waypoint == null) {
+      waypoint = myTracksProviderUtils.getWaypoint(getArguments().getLong(KEY_MARKER_ID));
+      if (waypoint == null) {
+        Log.d(TAG, "waypoint is null");
+        getFragmentManager().popBackStack();
+      }
+    }
+  }
+
+  /**
+   * Updates the UI.
+   */
+  private void update() {
+    View waypointSection = getView().findViewById(R.id.marker_detail_waypoint_section);
+    View statisticsSection = getView().findViewById(R.id.marker_detail_statistics_section);
+
+    if (waypoint.getType() == WaypointType.WAYPOINT) {
+      waypointSection.setVisibility(View.VISIBLE);
+      statisticsSection.setVisibility(View.GONE);
+
+      ImageView imageView = (ImageView) getView().findViewById(R.id.marker_detail_waypoint_photo);
+      String photoUrl = waypoint.getPhotoUrl();
+      if (photoUrl == null || photoUrl.equals("")) {
+        imageView.setVisibility(View.GONE);
+      } else {
+        imageView.setVisibility(View.VISIBLE);
+        Display defaultDisplay = getActivity().getWindowManager().getDefaultDisplay();
+        @SuppressWarnings("deprecation")
+        int displayWidth = defaultDisplay.getWidth();
+        @SuppressWarnings("deprecation")
+        int displayHeight = defaultDisplay.getHeight();
+        PhotoUtils.setImageVew(imageView, Uri.parse(photoUrl), displayWidth, displayHeight);
+      }
+
+      TextView name = (TextView) getView().findViewById(R.id.marker_detail_waypoint_name);
+      name.setText(getString(R.string.generic_name_line, waypoint.getName()));
+
+      TextView markerType = (TextView) getView()
+          .findViewById(R.id.marker_detail_waypoint_marker_type);
+      markerType.setText(
+          getString(R.string.marker_detail_waypoint_marker_type, waypoint.getCategory()));
+
+      TextView description = (TextView) getView()
+          .findViewById(R.id.marker_detail_waypoint_description);
+      description.setText(getString(R.string.generic_description_line, waypoint.getDescription()));
+    } else {
+      waypointSection.setVisibility(View.GONE);
+      statisticsSection.setVisibility(View.VISIBLE);
+
+      TextView name = (TextView) getView().findViewById(R.id.marker_detail_statistics_name);
+      name.setText(getString(R.string.generic_name_line, waypoint.getName()));
+
+      StatsUtils.setTripStatisticsValues(getActivity(), waypoint.getTripStatistics(),
+          PreferencesUtils.RECORDING_TRACK_ID_DEFAULT);
+      StatsUtils.setLocationValues(getActivity(), waypoint.getLocation(), false);
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/MyTracksMapFragment.java

@@ -0,0 +1,760 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.MapOverlay;
+import com.google.android.apps.mytracks.MarkerDetailActivity;
+import com.google.android.apps.mytracks.TrackDetailActivity;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils.Factory;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.TrackDataHub;
+import com.google.android.apps.mytracks.content.TrackDataListener;
+import com.google.android.apps.mytracks.content.TrackDataType;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.services.MyTracksLocationManager;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.apps.mytracks.util.GoogleLocationUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.gms.location.LocationListener;
+import com.google.android.gms.maps.CameraUpdate;
+import com.google.android.gms.maps.CameraUpdateFactory;
+import com.google.android.gms.maps.GoogleMap;
+import com.google.android.gms.maps.GoogleMap.OnCameraChangeListener;
+import com.google.android.gms.maps.GoogleMap.OnMarkerClickListener;
+import com.google.android.gms.maps.LocationSource;
+import com.google.android.gms.maps.LocationSource.OnLocationChangedListener;
+import com.google.android.gms.maps.SupportMapFragment;
+import com.google.android.gms.maps.model.CameraPosition;
+import com.google.android.gms.maps.model.LatLng;
+import com.google.android.gms.maps.model.LatLngBounds;
+import com.google.android.gms.maps.model.Marker;
+import com.google.android.gms.maps.model.Polyline;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.content.Intent;
+import android.location.Location;
+import android.os.Bundle;
+import android.os.Looper;
+import android.provider.Settings;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.view.ViewGroup.LayoutParams;
+import android.view.ViewTreeObserver.OnGlobalLayoutListener;
+import android.widget.FrameLayout;
+import android.widget.ImageButton;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+import java.util.EnumSet;
+
+/**
+ * A fragment to display map to the user.
+ * 
+ * @author Leif Hendrik Wilden
+ * @author Rodrigo Damazio
+ */
+public class MyTracksMapFragment extends SupportMapFragment implements TrackDataListener {
+
+  public static final String MAP_FRAGMENT_TAG = "mapFragment";
+
+  private static final String CURRENT_LOCATION_KEY = "current_location_key";
+  private static final String
+      KEEP_CURRENT_LOCATION_VISIBLE_KEY = "keep_current_location_visible_key";
+
+  private static final float DEFAULT_ZOOM_LEVEL = 18f;
+
+  // Google's latitude and longitude
+  private static final double DEFAULT_LATITUDE = 37.423;
+  private static final double DEFAULT_LONGITUDE = -122.084;
+
+  private static final int MAP_VIEW_PADDING = 32;
+
+  // States from TrackDetailActivity, set in onResume
+  private long trackId;
+  private long markerId;
+  private TrackDataHub trackDataHub;
+  
+  // Current location
+  private Location currentLocation;
+  private Location lastTrackPoint;
+  private int recordingGpsAccuracy = PreferencesUtils.RECORDING_GPS_ACCURACY_DEFAULT;
+
+  /**
+   * True to continue keeping the current location visible on the screen.
+   * <p>
+   * Set to true when <br>
+   * 1. user clicks on the my location button <br>
+   * 2. first location during a recording <br>
+   * Set to false when <br>
+   * 1. showing a marker <br>
+   * 2. user manually zooms/pans
+   */
+  private boolean keepCurrentLocationVisible;
+
+  private OnLocationChangedListener onLocationChangedListener;
+
+  // Current track
+  private Track currentTrack;
+
+  // Current paths
+  private ArrayList<Polyline> paths = new ArrayList<Polyline>();
+  boolean reloadPaths = true;
+
+  // UI elements
+  private GoogleMap googleMap;
+  private MapOverlay mapOverlay;
+  private View mapView;
+  private ImageButton myLocationImageButton;
+  private TextView messageTextView;
+
+  @Override
+  public void onCreate(Bundle bundle) {
+    super.onCreate(bundle);
+    setHasOptionsMenu(true);
+    mapOverlay = new MapOverlay(getActivity());
+  }
+
+  @Override
+  public View onCreateView(
+      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+    mapView = super.onCreateView(inflater, container, savedInstanceState);
+    View layout = inflater.inflate(R.layout.map, container, false);
+    RelativeLayout mapContainer = (RelativeLayout) layout.findViewById(R.id.map_container);
+    mapContainer.addView(mapView, 0);
+
+    /*
+     * For Froyo (2.2) and Gingerbread (2.3), need a transparent FrameLayout on
+     * top for view pager to work correctly.
+     */
+    FrameLayout frameLayout = new FrameLayout(getActivity());
+    frameLayout.setBackgroundColor(getResources().getColor(android.R.color.transparent));
+    mapContainer.addView(frameLayout,
+        new ViewGroup.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));  
+    
+    myLocationImageButton = (ImageButton) layout.findViewById(R.id.map_my_location);
+    myLocationImageButton.setOnClickListener(new View.OnClickListener() {
+        @Override
+      public void onClick(View v) {
+        final MyTracksLocationManager myTracksLocationManager = new MyTracksLocationManager(
+            getActivity(), Looper.myLooper(), true);
+        if (!myTracksLocationManager.isAllowed()) {
+          String setting = getString(
+              GoogleLocationUtils.isAvailable(getActivity()) ? R.string.gps_google_location_settings
+                  : R.string.gps_location_access);
+          Toast.makeText(
+              getActivity(), getString(R.string.my_location_no_gps, setting), Toast.LENGTH_LONG)
+              .show();
+          myTracksLocationManager.close();
+        } else {
+          myTracksLocationManager.requestLastLocation(new LocationListener() {
+              @Override
+            public void onLocationChanged(Location location) {
+              myTracksLocationManager.close();
+              keepCurrentLocationVisible = true;
+              setCurrentLocation(location);
+              updateCurrentLocation(true);
+            }
+          });
+        }
+      }
+    });
+    messageTextView = (TextView) layout.findViewById(R.id.map_message);
+    return layout;
+  }
+
+  @Override
+  public void onActivityCreated(Bundle savedInstanceState) {
+    super.onActivityCreated(savedInstanceState);
+    if (savedInstanceState != null) {
+      keepCurrentLocationVisible = savedInstanceState.getBoolean(
+          KEEP_CURRENT_LOCATION_VISIBLE_KEY, false);
+      if (keepCurrentLocationVisible) {
+        Location location = (Location) savedInstanceState.getParcelable(CURRENT_LOCATION_KEY);
+        if (location != null) {
+          setCurrentLocation(location);
+        }
+      }
+    }
+    
+    /*
+     * At this point, after onCreateView, getMap will not return null and we can
+     * initialize googleMap. However, onActivityCreated can be called multiple
+     * times, e.g., when the user switches tabs. With
+     * GoogleMapOptions.useViewLifecycleInFragment == false, googleMap lifecycle
+     * is tied to the fragment lifecycle and the same googleMap object is
+     * returned in getMap. Thus we only need to initialize googleMap once, when
+     * it is null.
+     */
+    if (googleMap == null) {
+      googleMap = getMap();
+      googleMap.setMyLocationEnabled(true);
+
+      /*
+       * My Tracks needs to handle the onClick event when the my location button
+       * is clicked. Currently, the API doesn't allow handling onClick event,
+       * thus hiding the default my location button and providing our own.
+       */
+      googleMap.getUiSettings().setMyLocationButtonEnabled(false);
+      googleMap.setIndoorEnabled(true);
+      googleMap.setOnMarkerClickListener(new OnMarkerClickListener() {
+
+          @Override
+        public boolean onMarkerClick(Marker marker) {
+          if (isResumed()) {
+            String title = marker.getTitle();
+            if (title != null && title.length() > 0) {
+              long id = Long.valueOf(title);
+              Context context = getActivity();
+              Intent intent = IntentUtils.newIntent(context, MarkerDetailActivity.class)
+                  .putExtra(MarkerDetailActivity.EXTRA_MARKER_ID, id);
+              context.startActivity(intent);
+            }
+          }
+          return true;
+        }
+      });
+      googleMap.setLocationSource(new LocationSource() {
+
+          @Override
+        public void activate(OnLocationChangedListener listener) {
+          onLocationChangedListener = listener;
+        }
+
+          @Override
+        public void deactivate() {
+          onLocationChangedListener = null;
+        }
+      });
+      googleMap.setOnCameraChangeListener(new OnCameraChangeListener() {
+
+          @Override
+        public void onCameraChange(CameraPosition cameraPosition) {
+          if (isResumed() && keepCurrentLocationVisible && currentLocation != null
+              && !isLocationVisible(currentLocation)) {
+            keepCurrentLocationVisible = false;         
+          }
+        }
+      });
+    }
+  }
+
+  @Override
+  public void onResume() {
+    super.onResume();
+
+    // First obtain the states from TrackDetailActivity
+    trackId = ((TrackDetailActivity) getActivity()).getTrackId();
+    markerId = ((TrackDetailActivity) getActivity()).getMarkerId();
+    resumeTrackDataHub();
+
+    MyTracksLocationManager myTracksLocationManager = new MyTracksLocationManager(
+        getActivity(), Looper.myLooper(), false);
+    boolean isGpsProviderEnabled = myTracksLocationManager.isGpsProviderEnabled();
+    myTracksLocationManager.close();
+
+    if (googleMap != null) {
+
+      // Update map type
+      int mapType = PreferencesUtils.getInt(
+          getActivity(), R.string.map_type_key, PreferencesUtils.MAP_TYPE_DEFAUlT);
+      googleMap.setMapType(mapType);
+      ApiAdapterFactory.getApiAdapter().invalidMenu(getActivity());
+
+      // Disable my location if gps is disabled
+      googleMap.setMyLocationEnabled(isGpsProviderEnabled);
+    }
+
+    // setWarningMessage depends on resumeTrackDataHub being invoked beforehand
+    setWarningMessage(isGpsProviderEnabled);
+    
+    currentTrack = MyTracksProviderUtils.Factory.get(getActivity()).getTrack(trackId);
+    mapOverlay.setShowEndMarker(!isSelectedTrackRecording());
+    if (markerId != -1L) {
+      showMarker(markerId);
+    } else {
+      if (keepCurrentLocationVisible && currentLocation != null && isSelectedTrackRecording()) {
+        updateCurrentLocation(true);
+      } else {
+        showTrack();
+      }      
+    }   
+  }
+
+  @Override
+  public void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+
+    outState.putBoolean(KEEP_CURRENT_LOCATION_VISIBLE_KEY, keepCurrentLocationVisible);
+    if (currentLocation != null) {
+      /*
+       * currentLocation is a MyTracksLocation object, which cannot be
+       * unmarshalled. Thus creating a Location object before placing it in the
+       * bundle.
+       */
+      outState.putParcelable(CURRENT_LOCATION_KEY, new Location(currentLocation));
+    }
+  }
+
+  @Override
+  public void onPause() {
+    super.onPause();
+    pauseTrackDataHub();
+  }
+
+  @Override
+  public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflator) {
+    menuInflator.inflate(R.menu.map, menu);
+  }
+
+  @Override
+  public void onPrepareOptionsMenu(Menu menu) {
+    if (googleMap != null) {
+      int id;
+      switch (googleMap.getMapType()) {
+        case GoogleMap.MAP_TYPE_NORMAL:
+          id = R.id.menu_map;
+          break;
+        case GoogleMap.MAP_TYPE_SATELLITE:
+          id = R.id.menu_satellite;
+          break;
+        case GoogleMap.MAP_TYPE_HYBRID:
+          id = R.id.menu_satellite_with_streets;
+          break;
+        case GoogleMap.MAP_TYPE_TERRAIN:
+          id = R.id.menu_terrain;
+          break;
+        default:
+          id = R.id.menu_map;
+      }
+      MenuItem menuItem = menu.findItem(id);
+      if (menuItem != null) {
+        menuItem.setChecked(true);
+      }
+    }
+    super.onPrepareOptionsMenu(menu);
+  }
+
+  @Override
+  public boolean onOptionsItemSelected(MenuItem menuItem) {
+    int type = GoogleMap.MAP_TYPE_NORMAL;
+    switch (menuItem.getItemId()) {
+      case R.id.menu_map:
+        type = GoogleMap.MAP_TYPE_NORMAL;
+        break;
+      case R.id.menu_satellite:
+        type = GoogleMap.MAP_TYPE_SATELLITE;
+        break;
+      case R.id.menu_satellite_with_streets:
+        type = GoogleMap.MAP_TYPE_HYBRID;
+        break;
+      case R.id.menu_terrain:
+        type = GoogleMap.MAP_TYPE_TERRAIN;
+        break;
+      default:
+        return super.onOptionsItemSelected(menuItem);
+    }
+    if (googleMap != null) {
+      googleMap.setMapType(type);
+      menuItem.setChecked(true);
+      PreferencesUtils.setInt(getActivity(), R.string.map_type_key, type);
+    }
+    return true;
+  }
+
+  @Override
+  public void onTrackUpdated(Track track) {
+    currentTrack = track;
+  }
+
+  @Override
+  public void clearTrackPoints() {
+    lastTrackPoint = null;
+    if (isResumed()) {
+      mapOverlay.clearPoints();
+      reloadPaths = true;
+    }
+  }
+
+  @Override
+  public void onSampledInTrackPoint(final Location location) {
+    lastTrackPoint = location;
+    if (isResumed()) {
+      mapOverlay.addLocation(location);
+    }
+  }
+
+  @Override
+  public void onSampledOutTrackPoint(Location location) {
+    lastTrackPoint = location;
+  }
+
+  @Override
+  public void onSegmentSplit(Location location) {
+    if (isResumed()) {
+      mapOverlay.addSegmentSplit();
+    }
+  }
+
+  @Override
+  public void onNewTrackPointsDone() {
+    if (isResumed()) {
+      getActivity().runOnUiThread(new Runnable() {
+        public void run() {
+          if (isResumed() && googleMap != null && currentTrack != null) {
+            boolean hasStartMarker = mapOverlay.update(
+                googleMap, paths, currentTrack.getTripStatistics(), reloadPaths);
+
+            /*
+             * If has the start marker, then don't need to reload the paths each
+             * time
+             */
+            if (hasStartMarker) {
+              reloadPaths = false;
+            }
+
+            if (lastTrackPoint != null && isSelectedTrackRecording()) {
+              boolean firstLocation = setCurrentLocation(lastTrackPoint);
+              if (firstLocation) {
+                keepCurrentLocationVisible = true;
+              }
+              updateCurrentLocation(firstLocation);
+              setWarningMessage(true);
+            }
+          }
+        }
+      });
+    }
+  }
+
+  @Override
+  public void clearWaypoints() {
+    if (isResumed()) {
+      mapOverlay.clearWaypoints();
+    }
+  }
+
+  @Override
+  public void onNewWaypoint(Waypoint waypoint) {
+    if (isResumed() && waypoint != null && LocationUtils.isValidLocation(waypoint.getLocation())) {
+      mapOverlay.addWaypoint(waypoint);
+    }
+  }
+
+  @Override
+  public void onNewWaypointsDone() {
+    if (isResumed()) {
+      getActivity().runOnUiThread(new Runnable() {
+        public void run() {
+          if (isResumed() && googleMap != null && currentTrack != null) {
+            mapOverlay.update(googleMap, paths, currentTrack.getTripStatistics(), true);
+          }
+        }
+      });
+    }
+  }
+
+  @Override
+  public boolean onMetricUnitsChanged(boolean metric) {
+    // We don't care.
+    return false;
+  }
+
+  @Override
+  public boolean onReportSpeedChanged(boolean reportSpeed) {
+    // We don't care.
+    return false;
+  }
+
+  @Override
+  public boolean onRecordingGpsAccuracy(int newValue) {
+    recordingGpsAccuracy = newValue;
+    return false;
+  }
+
+  @Override
+  public boolean onRecordingDistanceIntervalChanged(int minRecordingDistance) {
+    // We don't care.
+    return false;
+  }
+
+  /**
+   * Resumes the trackDataHub. Needs to be synchronized because the trackDataHub
+   * can be accessed by multiple threads.
+   */
+  private synchronized void resumeTrackDataHub() {
+    trackDataHub = ((TrackDetailActivity) getActivity()).getTrackDataHub();
+    trackDataHub.registerTrackDataListener(this, EnumSet.of(TrackDataType.TRACKS_TABLE,
+        TrackDataType.WAYPOINTS_TABLE, TrackDataType.SAMPLED_IN_TRACK_POINTS_TABLE,
+        TrackDataType.SAMPLED_OUT_TRACK_POINTS_TABLE, TrackDataType.PREFERENCE));
+  }
+
+  /**
+   * Pauses the trackDataHub. Needs to be synchronized because the trackDataHub
+   * can be accessed by multiple threads.
+   */
+  private synchronized void pauseTrackDataHub() {
+    if (trackDataHub != null) {
+      trackDataHub.unregisterTrackDataListener(this);
+    }
+    trackDataHub = null;
+  }
+
+  /**
+   * Returns true if the selected track is recording. Needs to be synchronized
+   * because the trackDataHub can be accessed by multiple threads.
+   */
+  private synchronized boolean isSelectedTrackRecording() {
+    return trackDataHub != null && trackDataHub.isSelectedTrackRecording();
+  }
+
+  /**
+   * Sets the current location.
+   * 
+   * @param location the location
+   * @return true if this is the first location  
+   */
+  private boolean setCurrentLocation(Location location) {
+    boolean firstLocation = false;
+    if (currentLocation == null && location != null) {
+      firstLocation = true;
+    }
+    currentLocation = location;
+    return firstLocation;
+  }
+
+  /**
+   * Updates the current location.
+   * 
+   * @param forceZoom true to force zoom to the current location regardless of
+   *          the keepCurrentLocationVisible policy
+   */
+  private void updateCurrentLocation(final boolean forceZoom) {
+    getActivity().runOnUiThread(new Runnable() {
+      public void run() {
+        if (!isResumed() || googleMap == null || onLocationChangedListener == null
+            || currentLocation == null) {
+          return;
+        }
+        onLocationChangedListener.onLocationChanged(currentLocation);
+        if (forceZoom || (keepCurrentLocationVisible && !isLocationVisible(currentLocation))) {
+          LatLng latLng = new LatLng(currentLocation.getLatitude(), currentLocation.getLongitude());
+          googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng, DEFAULT_ZOOM_LEVEL));
+        }
+      };
+    });
+  }
+
+  /**
+   * Shows the current track by moving the camera over the track.
+   */
+  private void showTrack() {
+    if (googleMap == null || currentTrack == null) {
+      return;
+    }
+    if (currentTrack.getNumberOfPoints() < 2) {
+      googleMap.moveCamera(
+          CameraUpdateFactory.newLatLngZoom(getDefaultLatLng(), googleMap.getMinZoomLevel()));
+      return;
+    }
+
+    if (mapView == null) {
+      return;
+    }
+    
+    if (mapView.getWidth() == 0 || mapView.getHeight() == 0) {
+      if (mapView.getViewTreeObserver().isAlive()) {
+        mapView.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
+            @Override
+          public void onGlobalLayout() {
+            ApiAdapterFactory.getApiAdapter()
+                .removeGlobalLayoutListener(mapView.getViewTreeObserver(), this);
+            getActivity().runOnUiThread(new Runnable() {
+                @Override
+              public void run() {
+                if (isResumed()) {
+                  moveCameraOverTrack();
+                }
+              }
+            });
+          }
+        });
+      }
+      return;
+    }
+    moveCameraOverTrack();
+  }
+
+  /**
+   * Moves the camera over the current track.
+   */
+  private void moveCameraOverTrack() {
+    /**
+     * Check all the required variables.
+     */
+    if (googleMap == null || currentTrack == null || currentTrack.getNumberOfPoints() < 2
+        || mapView == null || mapView.getWidth() == 0 || mapView.getHeight() == 0) {
+      return;
+    }
+
+    TripStatistics tripStatistics = currentTrack.getTripStatistics();
+    int latitudeSpanE6 = tripStatistics.getTop() - tripStatistics.getBottom();
+    int longitudeSpanE6 = tripStatistics.getRight() - tripStatistics.getLeft();
+    if (latitudeSpanE6 > 0 && latitudeSpanE6 < 180E6 && longitudeSpanE6 > 0
+        && longitudeSpanE6 < 360E6) {
+      LatLng southWest = new LatLng(
+          tripStatistics.getBottomDegrees(), tripStatistics.getLeftDegrees());
+      LatLng northEast = new LatLng(
+          tripStatistics.getTopDegrees(), tripStatistics.getRightDegrees());
+      LatLngBounds bounds = LatLngBounds.builder().include(southWest).include(northEast).build();
+
+      /**
+       * Note cannot call CameraUpdateFactory.newLatLngBounds(LatLngBounds
+       * bounds, int padding) if the map view has not undergone layout. Thus
+       * calling CameraUpdateFactory.newLatLngBounds(LatLngBounds bounds, int
+       * width, int height, int padding) after making sure that mapView is valid
+       * in the above code.
+       */
+      CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLngBounds(
+          bounds, mapView.getWidth(), mapView.getHeight(), MAP_VIEW_PADDING);
+      googleMap.moveCamera(cameraUpdate);
+    }
+  }
+
+  /**
+   * Shows a marker by moving the camera over the marker.
+   * 
+   * @param id the marker id
+   */
+  private void showMarker(final long id) {
+    getActivity().runOnUiThread(new Runnable() {
+        @Override
+      public void run() {
+        if (!isResumed() || googleMap == null) {
+          return;
+        }
+        MyTracksProviderUtils MyTracksProviderUtils = Factory.get(getActivity());
+        Waypoint waypoint = MyTracksProviderUtils.getWaypoint(id);
+        if (waypoint != null && waypoint.getLocation() != null) {
+          Location location = waypoint.getLocation();
+          LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
+          keepCurrentLocationVisible = false;
+          CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLngZoom(latLng, DEFAULT_ZOOM_LEVEL);
+          googleMap.moveCamera(cameraUpdate);
+        }
+      }
+    });
+  }
+
+  /**
+   * Gets the default LatLng.
+   */
+  private LatLng getDefaultLatLng() {
+    MyTracksProviderUtils myTracksProviderUtils = MyTracksProviderUtils.Factory.get(getActivity());
+    Location location = myTracksProviderUtils.getLastValidTrackPoint();
+    if (location != null) {
+      return new LatLng(location.getLatitude(), location.getLongitude());
+    }
+    return new LatLng(DEFAULT_LATITUDE, DEFAULT_LONGITUDE);
+  }
+
+  /**
+   * Returns true if the location is visible. Needs to run on the UI thread.
+   * 
+   * @param location the location
+   */
+  private boolean isLocationVisible(Location location) {
+    if (location == null || googleMap == null) {
+      return false;
+    }
+    LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
+    return googleMap.getProjection().getVisibleRegion().latLngBounds.contains(latLng);
+  }
+
+  /**
+   * Sets the warning message.
+   * 
+   * @param isGpsProviderEnabled true if gps provider is enabled
+   */
+  private void setWarningMessage(boolean isGpsProviderEnabled) {
+    String message;
+    if (!isSelectedTrackRecording()) {
+      message = null;
+    } else {
+      if (isGpsProviderEnabled) {
+        boolean hasFix;
+        boolean hasGoodFix;
+        if (currentLocation == null) {
+          hasFix = false;
+          hasGoodFix = false;
+        } else {
+          hasFix = !LocationUtils.isLocationOld(currentLocation);
+          hasGoodFix = currentLocation.hasAccuracy()
+              && currentLocation.getAccuracy() < recordingGpsAccuracy;
+        }
+        if (!hasFix) {
+          message = getString(R.string.gps_wait_for_signal);
+        } else if (!hasGoodFix) {
+          message = getString(R.string.gps_wait_for_better_signal);
+        } else {
+          message = null;
+        }
+      } else {
+        String setting = getString(
+            GoogleLocationUtils.isAvailable(getActivity()) ? R.string.gps_google_location_settings
+                : R.string.gps_location_access);
+        message = getString(R.string.gps_disabled, setting);
+      }
+    }
+
+    if (message == null) {
+      messageTextView.setVisibility(View.GONE);
+      return;
+    }
+    messageTextView.setText(message);
+    messageTextView.setVisibility(View.VISIBLE);
+    if (isGpsProviderEnabled) {
+      messageTextView.setOnClickListener(null);
+    } else {
+      Toast.makeText(getActivity(), R.string.gps_not_found, Toast.LENGTH_LONG).show();
+
+      // Click to show the location source settings
+      messageTextView.setOnClickListener(new OnClickListener() {
+
+          @Override
+        public void onClick(View v) {
+          Intent intent = GoogleLocationUtils.isAvailable(getActivity()) ? new Intent(
+              GoogleLocationUtils.ACTION_GOOGLE_LOCATION_SETTINGS)
+              : new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
+          intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+          startActivity(intent);
+        }
+      });
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/ShareTrackDialogFragment.java

@@ -0,0 +1,182 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.provider.ContactsContract;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+import android.support.v4.widget.SimpleCursorAdapter;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.FilterQueryProvider;
+import android.widget.MultiAutoCompleteTextView;
+import android.widget.Toast;
+
+/**
+ * A DialogFragment to share a track.
+ * 
+ * @author Jimmy Shih
+ */
+public class ShareTrackDialogFragment extends DialogFragment {
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface ShareTrackCaller {
+
+    /**
+     * Called when share track is done.
+     * 
+     * @param emails the added emails
+     * @param makePublic true to make the track public
+     */
+    public void onShareTrackDone(String emails, boolean makePublic);
+  }
+
+  public static final String SHARE_TRACK_DIALOG_TAG = "shareTrackDialog";
+
+  private static final String KEY_TRACK_ID = "trackId";
+
+  public static ShareTrackDialogFragment newInstance(long trackId) {
+    Bundle bundle = new Bundle();
+    bundle.putLong(KEY_TRACK_ID, trackId);
+
+    ShareTrackDialogFragment shareleTrackDialogFragment = new ShareTrackDialogFragment();
+    shareleTrackDialogFragment.setArguments(bundle);
+    return shareleTrackDialogFragment;
+  }
+
+  private ShareTrackCaller caller;
+  private FragmentActivity fragmentActivity;
+  private MultiAutoCompleteTextView multiAutoCompleteTextView;
+  private CheckBox publicCheckBox;
+  private CheckBox inviteCheckBox;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (ShareTrackCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + ShareTrackCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    fragmentActivity = getActivity();
+    View view = fragmentActivity.getLayoutInflater().inflate(R.layout.share_track, null);
+
+    multiAutoCompleteTextView = (MultiAutoCompleteTextView) view.findViewById(
+        R.id.share_track_emails);
+    multiAutoCompleteTextView.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());
+
+    SimpleCursorAdapter adapter = new SimpleCursorAdapter(fragmentActivity,
+        R.layout.add_emails_item, getCursor(fragmentActivity, null), new String[] {
+            ContactsContract.Contacts.DISPLAY_NAME, ContactsContract.CommonDataKinds.Email.DATA },
+        new int[] { android.R.id.text1, android.R.id.text2 }, 0);
+    adapter.setCursorToStringConverter(new SimpleCursorAdapter.CursorToStringConverter() {
+        @Override
+      public CharSequence convertToString(Cursor cursor) {
+        int index = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA);
+        return cursor.getString(index).trim();
+      }
+    });
+    adapter.setFilterQueryProvider(new FilterQueryProvider() {
+        @Override
+      public Cursor runQuery(CharSequence constraint) {
+        return getCursor(fragmentActivity, constraint);
+      }
+    });
+    multiAutoCompleteTextView.setAdapter(adapter);
+
+    publicCheckBox = (CheckBox) view.findViewById(R.id.share_track_public);
+    publicCheckBox.setChecked(PreferencesUtils.getBoolean(
+        fragmentActivity, R.string.share_track_public_key,
+        PreferencesUtils.SHARE_TRACK_PUBLIC_DEFAULT));
+
+    inviteCheckBox = (CheckBox) view.findViewById(R.id.share_track_invite);
+    inviteCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
+        @Override
+      public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+        multiAutoCompleteTextView.setVisibility(isChecked ? View.VISIBLE : View.GONE);
+      }
+    });
+    inviteCheckBox.setChecked(PreferencesUtils.getBoolean(
+        fragmentActivity, R.string.share_track_invite_key,
+        PreferencesUtils.SHARE_TRACK_INVITE_DEFAULT));
+
+    return new AlertDialog.Builder(fragmentActivity).setNegativeButton(
+        R.string.generic_cancel, null)
+        .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            if (!publicCheckBox.isChecked() && !inviteCheckBox.isChecked()) {
+              Toast.makeText(fragmentActivity, R.string.share_track_no_selection, Toast.LENGTH_LONG)
+                  .show();
+              return;
+            }
+            String acl = multiAutoCompleteTextView.getText().toString().trim();
+            if (!publicCheckBox.isChecked() && acl.equals("")) {
+              Toast.makeText(fragmentActivity, R.string.share_track_no_emails, Toast.LENGTH_LONG)
+                  .show();
+              return;
+            }
+            PreferencesUtils.setBoolean(
+                fragmentActivity, R.string.share_track_public_key, publicCheckBox.isChecked());
+            PreferencesUtils.setBoolean(
+                fragmentActivity, R.string.share_track_invite_key, inviteCheckBox.isChecked());
+            caller.onShareTrackDone(acl, publicCheckBox.isChecked());
+          }
+        }).setTitle(R.string.share_track_title).setView(view).create();
+  }
+
+  /**
+   * Gets the cursor
+   * 
+   * @param activity the activity
+   * @param constraint the constraint
+   */
+  private Cursor getCursor(Activity activity, CharSequence constraint) {
+    String order = ContactsContract.Contacts.DISPLAY_NAME + " COLLATE LOCALIZED ASC";
+    String selection = ContactsContract.Contacts.IN_VISIBLE_GROUP + " = '1'";
+    if (constraint != null) {
+      selection += " AND (" + ContactsContract.Contacts.DISPLAY_NAME + " LIKE '%" + constraint
+          + "%' OR " + ContactsContract.CommonDataKinds.Email.DATA + " LIKE '%" + constraint
+          + "%' )";
+    }
+    String[] projection = new String[] { ContactsContract.Contacts._ID,
+        ContactsContract.Contacts.DISPLAY_NAME, ContactsContract.CommonDataKinds.Email.DATA };
+    Uri uri = ContactsContract.CommonDataKinds.Email.CONTENT_URI;
+    return activity.getContentResolver().query(uri, projection, selection, null, order);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/fragments/StatsFragment.java

@@ -0,0 +1,269 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.TrackDetailActivity;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.TrackDataHub;
+import com.google.android.apps.mytracks.content.TrackDataListener;
+import com.google.android.apps.mytracks.content.TrackDataType;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.StatsUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.location.Location;
+import android.os.Bundle;
+import android.os.Handler;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentActivity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.EnumSet;
+
+/**
+ * A fragment to display track statistics to the user.
+ * 
+ * @author Sandor Dornbush
+ * @author Rodrigo Damazio
+ */
+public class StatsFragment extends Fragment implements TrackDataListener {
+
+  public static final String STATS_FRAGMENT_TAG = "statsFragment";
+
+  private static final int ONE_SECOND = 1000;
+
+  private TrackDataHub trackDataHub;
+  private Handler handler;
+
+  private Location lastLocation = null;
+  private TripStatistics lastTripStatistics = null;
+  private int recordingGpsAccuracy = PreferencesUtils.RECORDING_GPS_ACCURACY_DEFAULT;
+
+  // A runnable to update the total time field.
+  private final Runnable updateTotalTime = new Runnable() {
+    public void run() {
+      if (isResumed() && isSelectedTrackRecording()) {
+        if (!isSelectedTrackPaused() && lastTripStatistics != null) {
+          StatsUtils.setTotalTimeValue(getActivity(), System.currentTimeMillis()
+              - lastTripStatistics.getStopTime() + lastTripStatistics.getTotalTime());
+        }
+        handler.postDelayed(this, ONE_SECOND);
+      }
+    }
+  };
+
+  @Override
+  public View onCreateView(
+      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+    return inflater.inflate(R.layout.stats, container, false);
+  }
+
+  @Override
+  public void onActivityCreated(Bundle savedInstanceState) {
+    super.onActivityCreated(savedInstanceState);
+    handler = new Handler();
+    updateUi(getActivity());
+  }
+
+  @Override
+  public void onResume() {
+    super.onResume();
+    resumeTrackDataHub();
+    if (isSelectedTrackRecording()) {
+      handler.post(updateTotalTime);
+    }
+  }
+
+  @Override
+  public void onPause() {
+    super.onPause();
+    pauseTrackDataHub();
+    handler.removeCallbacks(updateTotalTime);
+  }
+
+  @Override
+  public void onTrackUpdated(final Track track) {
+    if (isResumed()) {
+      getActivity().runOnUiThread(new Runnable() {
+          @Override
+        public void run() {
+          if (isResumed()) {
+            lastTripStatistics = track != null ? track.getTripStatistics() : null;
+            updateUi(getActivity());
+          }
+        }
+      });
+    }
+  }
+
+  @Override
+  public void clearTrackPoints() {
+    lastLocation = null;
+  }
+
+  @Override
+  public void onSampledInTrackPoint(Location location) {
+    lastLocation = location;
+  }
+
+  @Override
+  public void onSampledOutTrackPoint(Location location) {
+    lastLocation = location;
+  }
+
+  @Override
+  public void onSegmentSplit(Location location) {
+    // We don't care.
+  }
+
+  @Override
+  public void onNewTrackPointsDone() {
+    if (isResumed()) {
+      getActivity().runOnUiThread(new Runnable() {
+          @Override
+        public void run() {
+          if (isResumed()) {
+            if (!isSelectedTrackRecording() || isSelectedTrackPaused()) {
+              lastLocation = null;
+            }
+
+            if (lastLocation != null) {
+              boolean hasFix = !LocationUtils.isLocationOld(lastLocation);
+              boolean hasGoodFix = lastLocation.hasAccuracy()
+                  && lastLocation.getAccuracy() < recordingGpsAccuracy;
+
+              if (!hasFix || !hasGoodFix) {
+                lastLocation = null;
+              }
+            }
+            StatsUtils.setLocationValues(getActivity(), lastLocation, isSelectedTrackRecording());
+          }
+        }
+      });
+    }
+  }
+
+  @Override
+  public void clearWaypoints() {
+    // We don't care.
+  }
+
+  @Override
+  public void onNewWaypoint(Waypoint wpt) {
+    // We don't care.
+  }
+
+  @Override
+  public void onNewWaypointsDone() {
+    // We don't care.
+  }
+
+  @Override
+  public boolean onMetricUnitsChanged(final boolean metric) {
+    if (isResumed()) {
+      getActivity().runOnUiThread(new Runnable() {
+          @Override
+        public void run() {
+          if (isResumed()) {
+            updateUi(getActivity());
+          }
+        }
+      });
+    }
+    return true;
+  }
+
+  @Override
+  public boolean onReportSpeedChanged(final boolean speed) {
+    if (isResumed()) {
+      getActivity().runOnUiThread(new Runnable() {
+          @Override
+        public void run() {
+          if (isResumed()) {
+            updateUi(getActivity());
+          }
+        }
+      });
+    }
+    return true;
+  }
+
+  @Override
+  public boolean onRecordingGpsAccuracy(int newValue) {
+    recordingGpsAccuracy = newValue;
+    return false;
+  }
+
+  @Override
+  public boolean onRecordingDistanceIntervalChanged(int minRecordingDistance) {
+    // We don't care.
+    return false;
+  }
+
+  /**
+   * Resumes the trackDataHub. Needs to be synchronized because trackDataHub can
+   * be accessed by multiple threads.
+   */
+  private synchronized void resumeTrackDataHub() {
+    trackDataHub = ((TrackDetailActivity) getActivity()).getTrackDataHub();
+    trackDataHub.registerTrackDataListener(this, EnumSet.of(TrackDataType.TRACKS_TABLE,
+        TrackDataType.SAMPLED_IN_TRACK_POINTS_TABLE, TrackDataType.SAMPLED_OUT_TRACK_POINTS_TABLE,
+        TrackDataType.PREFERENCE));
+  }
+
+  /**
+   * Pauses the trackDataHub. Needs to be synchronized because trackDataHub can
+   * be accessed by multiple threads.
+   */
+  private synchronized void pauseTrackDataHub() {
+    trackDataHub.unregisterTrackDataListener(this);
+    trackDataHub = null;
+  }
+
+  /**
+   * Returns true if the selected track is recording. Needs to be synchronized
+   * because trackDataHub can be accessed by multiple threads.
+   */
+  private synchronized boolean isSelectedTrackRecording() {
+    return trackDataHub != null && trackDataHub.isSelectedTrackRecording();
+  }
+
+  /**
+   * Returns true if the selected track is paused. Needs to be synchronized
+   * because trackDataHub can be accessed by multiple threads.
+   */
+  private synchronized boolean isSelectedTrackPaused() {
+    return trackDataHub != null && trackDataHub.isSelectedTrackPaused();
+  }
+
+  /**
+   * Updates the UI.
+   */
+  private void updateUi(FragmentActivity activity) {
+    StatsUtils.setTripStatisticsValues(
+        activity,
+        lastTripStatistics,
+        trackDataHub == null ? PreferencesUtils.RECORDING_TRACK_ID_DEFAULT : trackDataHub
+            .getSelectedTrackId());
+    StatsUtils.setLocationValues(activity, lastLocation, isSelectedTrackRecording());
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/BackupActivity.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.util.DialogUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.widget.Toast;
+
+/**
+ * Activity to backup data to the SD card.
+ * 
+ * @author Jimmy Shih
+ */
+public class BackupActivity extends Activity {
+
+  private static final int DIALOG_PROGRESS_ID = 0;
+
+  private BackupAsyncTask backupAsyncTask;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    Object retained = getLastNonConfigurationInstance();
+    if (retained instanceof BackupAsyncTask) {
+      backupAsyncTask = (BackupAsyncTask) retained;
+      backupAsyncTask.setActivity(this);
+    } else {
+      backupAsyncTask = new BackupAsyncTask(this);
+      backupAsyncTask.execute();
+    }
+  }
+
+  @Override
+  public Object onRetainNonConfigurationInstance() {
+    backupAsyncTask.setActivity(null);
+    return backupAsyncTask;
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    if (id != DIALOG_PROGRESS_ID) {
+      return null;
+    }
+    return DialogUtils.createSpinnerProgressDialog(
+        this, R.string.settings_backup_now_progress_message, new DialogInterface.OnCancelListener() {
+          @Override
+          public void onCancel(DialogInterface dialog) {
+            finish();
+          }
+        });
+  }
+
+  /**
+   * Invokes when the associated AsyncTask completes.
+   *
+   * @param success true if the AsyncTask is successful
+   * @param messageId message id to display to user
+   */
+  public void onAsyncTaskCompleted(boolean success, int messageId) {
+    removeDialog(DIALOG_PROGRESS_ID);
+    Toast.makeText(this, messageId, success ? Toast.LENGTH_SHORT : Toast.LENGTH_LONG).show();
+    finish();
+  }
+
+  /**
+   * Shows the progress dialog.
+   */
+  public void showProgressDialog() {
+    showDialog(DIALOG_PROGRESS_ID);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/BackupAsyncTask.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.os.AsyncTask;
+import android.util.Log;
+
+import java.io.IOException;
+
+/**
+ * AsyncTask to backup data to the SD card.
+ *
+ * @author Jimmy Shih
+ */
+public class BackupAsyncTask extends AsyncTask<Void, Integer, Boolean> {
+
+  private static final String TAG = BackupAsyncTask.class.getSimpleName();
+
+  private BackupActivity backupActivity;
+  private final ExternalFileBackup externalFileBackup;
+
+  // true if the AsyncTask result is success
+  private boolean success;
+
+  // true if the AsyncTask has completed
+  private boolean completed;
+
+  // message id to return to the activity
+  private int messageId;
+
+  /**
+   * Creates an AsyncTask.
+   *
+   * @param backupActivity the activity currently associated with this
+   *          AsyncTask
+   */
+  public BackupAsyncTask(BackupActivity backupActivity) {
+    this.backupActivity = backupActivity;
+    this.externalFileBackup = new ExternalFileBackup(backupActivity);
+    success = false;
+    completed = false;
+    messageId = R.string.settings_backup_now_error;
+  }
+
+  /**
+   * Sets the current {@link BackupActivity} associated with this AyncTask.
+   *
+   * @param activity the current {@link BackupActivity}, can be null
+   */
+  public void setActivity(BackupActivity activity) {
+    this.backupActivity = activity;
+    if (completed && backupActivity != null) {
+      backupActivity.onAsyncTaskCompleted(success, messageId);
+    }
+  }
+
+  @Override
+  protected void onPreExecute() {
+    if (backupActivity != null) {
+      backupActivity.showProgressDialog();
+    }
+  }
+
+  @Override
+  protected Boolean doInBackground(Void... params) {
+    if (!FileUtils.isExternalStorageWriteable()) {
+      messageId = R.string.external_storage_not_writable;
+      return false;
+    }
+
+    if (!externalFileBackup.isBackupsDirectoryAvailable(true)) {
+      messageId = R.string.external_storage_not_writable;
+      return false;
+    }
+
+    try {
+      externalFileBackup.writeToDefaultFile();
+      messageId = R.string.settings_backup_now_success;
+      return true;
+    } catch (IOException e) {
+      Log.d(TAG, "IO exception", e);
+      return false;
+    }
+  }
+
+  @Override
+  protected void onPostExecute(Boolean result) {
+    success = result;
+    completed = true;
+    if (backupActivity != null) {
+      backupActivity.onAsyncTaskCompleted(success, messageId);
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/BackupPreferencesListener.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.backup;
+
+import android.app.backup.BackupManager;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+
+/**
+ * Backup preference listener.
+ *
+ * @author Jimmy Shih
+ */
+public class BackupPreferencesListener implements OnSharedPreferenceChangeListener {
+
+  private final BackupManager backupManager;
+
+  public BackupPreferencesListener(Context context) {
+    this.backupManager = new BackupManager(context);
+  }
+
+  @Override
+  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+    backupManager.dataChanged();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/DatabaseDumper.java

@@ -0,0 +1,248 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.content.ContentTypeIds;
+
+import android.database.Cursor;
+import android.database.MergeCursor;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+/**
+ * Database dumper which is able to write only part of the database
+ * according to some query.
+ *
+ * This dumper is symmetrical to {@link DatabaseImporter}.
+ *
+ * @author Rodrigo Damazio
+ */
+class DatabaseDumper {
+
+  /** The names of the columns being dumped. */
+  private final String[] columnNames;
+  /** The types of the columns being dumped. */
+  private final byte[] columnTypes;
+  /** Whether to output null fields. */
+  private final boolean outputNullFields;
+
+  // Temporary state
+  private int[] columnIndices;
+  private boolean[] hasFields;
+
+  public DatabaseDumper(String[] columnNames, byte[] columnTypes,
+      boolean outputNullFields) {
+    if (columnNames.length != columnTypes.length) {
+      throw new IllegalArgumentException("Names don't match types");
+    }
+
+    this.columnNames = columnNames;
+    this.columnTypes = columnTypes;
+    this.outputNullFields = outputNullFields;
+  }
+
+  /**
+   * Writes the header plus all rows that can be read from the given cursor.
+   * This assumes the cursor will have the same column and column indices on
+   * every row (and thus may not work with a {@link MergeCursor}).
+   */
+  public void writeAllRows(Cursor cursor, DataOutputStream writer)
+      throws IOException {
+    writeHeaders(cursor, cursor.getCount(), writer);
+
+    if (!cursor.moveToFirst()) {
+      return;
+    }
+
+    do {
+      writeOneRow(cursor, writer);
+    } while (cursor.moveToNext());
+  }
+
+  /**
+   * Writes just the headers for the data that will come from the given cursor.
+   * The headers include column information and the number of rows that will be
+   * written.
+   *
+   * @param cursor the cursor to get columns from
+   * @param numRows the number of rows that will be later written
+   * @param writer the output to write to
+   * @throws IOException if there are errors while writing
+   */
+  public void writeHeaders(Cursor cursor, int numRows, DataOutputStream writer)
+      throws IOException {
+    initializeCachedValues(cursor);
+    writeQueryMetadata(numRows, writer);
+  }
+
+  /**
+   * Writes the current row from the cursor. The cursor is not advanced.
+   * This must be called after {@link #writeHeaders}.
+   *
+   * @param cursor the cursor to write data from
+   * @param writer the output to write to
+   * @throws IOException if there are any errors while writing
+   */
+  public void writeOneRow(Cursor cursor, DataOutputStream writer)
+      throws IOException {
+    if (columnIndices == null) {
+      throw new IllegalStateException(
+          "Cannot write rows before writing the header");
+    }
+
+    if (columnIndices.length > Long.SIZE) {
+      throw new IllegalArgumentException("Too many fields");
+    }
+
+    // Build a bitmap of which fields are present
+    long fields = 0;
+    for (int i = 0; i < columnIndices.length; i++) {
+      hasFields[i] = !cursor.isNull(columnIndices[i]);
+      fields |= (hasFields[i] ? 1 : 0) << i;
+    }
+    writer.writeLong(fields);
+
+    // Actually write the present fields
+    for (int i = 0; i < columnIndices.length; i++) {
+      if (hasFields[i]) {
+        writeCell(columnIndices[i], columnTypes[i], cursor, writer);
+      } else if (outputNullFields) {
+        writeDummyCell(columnTypes[i], writer);
+      }
+    }
+  }
+
+  /**
+   * Initializes the column indices and other temporary state for reading from
+   * the given cursor.
+   */
+  private void initializeCachedValues(Cursor cursor) {
+    // These indices are constant for every row (unless we're fed a MergeCursor)
+    if (cursor instanceof MergeCursor) {
+      throw new IllegalArgumentException("Cannot use a MergeCursor");
+    }
+
+    columnIndices = new int[columnNames.length];
+    for (int i = 0; i < columnNames.length; i++) {
+      String columnName = columnNames[i];
+      columnIndices[i] = cursor.getColumnIndexOrThrow(columnName);
+    }
+
+    hasFields = new boolean[columnIndices.length];
+  }
+
+  /**
+   * Writes metadata about the query to be dumped.
+   *
+   * @param numRows the number of rows that will be dumped
+   * @param writer the output to write to
+   * @throws IOException if there are any errors while writing
+   */
+  private void writeQueryMetadata(
+      int numRows, DataOutputStream writer) throws IOException {
+    // Write column data
+    writer.writeInt(columnNames.length);
+    for (int i = 0; i < columnNames.length; i++) {
+      String columnName = columnNames[i];
+      byte columnType = columnTypes[i];
+      writer.writeUTF(columnName);
+      writer.writeByte(columnType);
+    }
+
+    // Write the number of rows
+    writer.writeInt(numRows);
+  }
+
+  /**
+   * Writes a single cell of the database to the output.
+   *
+   * @param columnIdx the column index to read from
+   * @param columnTypeId the type of the column to be read
+   * @param cursor the cursor to read from
+   * @param writer the output to write to
+   * @throws IOException if there are any errors while writing
+   */
+  private void writeCell(
+      int columnIdx, byte columnTypeId, Cursor cursor, DataOutputStream writer)
+      throws IOException {
+    switch (columnTypeId) {
+      case ContentTypeIds.LONG_TYPE_ID:
+        writer.writeLong(cursor.getLong(columnIdx));
+        return;
+      case ContentTypeIds.DOUBLE_TYPE_ID:
+        writer.writeDouble(cursor.getDouble(columnIdx));
+        return;
+      case ContentTypeIds.FLOAT_TYPE_ID:
+        writer.writeFloat(cursor.getFloat(columnIdx));
+        return;
+      case ContentTypeIds.BOOLEAN_TYPE_ID:
+        writer.writeBoolean(cursor.getInt(columnIdx) != 0);
+        return;
+      case ContentTypeIds.INT_TYPE_ID:
+        writer.writeInt(cursor.getInt(columnIdx));
+        return;
+      case ContentTypeIds.STRING_TYPE_ID:
+        writer.writeUTF(cursor.getString(columnIdx));
+        return;
+      case ContentTypeIds.BLOB_TYPE_ID: {
+        byte[] blob = cursor.getBlob(columnIdx);
+        writer.writeInt(blob.length);
+        writer.write(blob);
+        return;
+      }
+      default:
+        throw new IllegalArgumentException(
+            "Type " + columnTypeId + " not supported");
+    }
+  }
+
+  /**
+   * Writes a dummy cell value to the output.
+   *
+   * @param columnTypeId the type of the value to write
+   * @throws IOException if there are any errors while writing
+   */
+  private void writeDummyCell(byte columnTypeId, DataOutputStream writer)
+      throws IOException {
+    switch (columnTypeId) {
+      case ContentTypeIds.LONG_TYPE_ID:
+        writer.writeLong(0L);
+        return;
+      case ContentTypeIds.DOUBLE_TYPE_ID:
+        writer.writeDouble(0.0);
+        return;
+      case ContentTypeIds.FLOAT_TYPE_ID:
+        writer.writeFloat(0.0f);
+        return;
+      case ContentTypeIds.BOOLEAN_TYPE_ID:
+        writer.writeBoolean(false);
+        return;
+      case ContentTypeIds.INT_TYPE_ID:
+        writer.writeInt(0);
+        return;
+      case ContentTypeIds.STRING_TYPE_ID:
+        writer.writeUTF("");
+        return;
+      case ContentTypeIds.BLOB_TYPE_ID:
+        writer.writeInt(0);
+        return;
+      default:
+        throw new IllegalArgumentException(
+            "Type " + columnTypeId + " not supported");
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/DatabaseImporter.java

@@ -0,0 +1,198 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.content.ContentTypeIds;
+
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.net.Uri;
+
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.util.Locale;
+
+/**
+ * Database importer which reads values written by {@link DatabaseDumper}.
+ *
+ * @author Rodrigo Damazio
+ */
+public class DatabaseImporter {
+
+  /** Maximum number of entries in a bulk insertion */
+  private static final int DEFAULT_BULK_SIZE = 1024;
+
+  private final Uri destinationUri;
+  private final ContentResolver resolver;
+  private final boolean readNullFields;
+  private final int bulkSize;
+
+  // Metadata read from the reader
+  private String[] columnNames;
+  private byte[] columnTypes;
+
+  public DatabaseImporter(Uri destinationUri, ContentResolver resolver,
+      boolean readNullFields) {
+    this(destinationUri, resolver, readNullFields, DEFAULT_BULK_SIZE);
+  }
+
+  protected DatabaseImporter(Uri destinationUri, ContentResolver resolver,
+      boolean readNullFields, int bulkSize) {
+    this.destinationUri = destinationUri;
+    this.resolver = resolver;
+    this.readNullFields = readNullFields;
+    this.bulkSize = bulkSize;
+  }
+
+  /**
+   * Reads the header which includes metadata about the table being imported.
+   *
+   * @throws IOException if there are any problems while reading
+   */
+  private void readHeaders(DataInputStream reader) throws IOException {
+    int numColumns = reader.readInt();
+    columnNames = new String[numColumns];
+    columnTypes = new byte[numColumns];
+    for (int i = 0; i < numColumns; i++) {
+      columnNames[i] = reader.readUTF();
+      columnTypes[i] = reader.readByte();
+    }
+  }
+
+  /**
+   * Imports all rows from the reader into the database.
+   * Insertion is done in bulks for efficiency.
+   *
+   * @throws IOException if there are any errors while reading
+   */
+  public void importAllRows(DataInputStream reader) throws IOException {
+    readHeaders(reader);
+
+    ContentValues[] valueBulk = new ContentValues[bulkSize];
+    int numValues = 0;
+
+    int numRows = reader.readInt();
+    int numColumns = columnNames.length;
+
+    // For each row
+    for (int r = 0; r < numRows; r++) {
+      if (valueBulk[numValues] == null) {
+        valueBulk[numValues] = new ContentValues(numColumns);
+      } else {
+        // Reuse values objects
+        valueBulk[numValues].clear();
+      }
+
+      // Read the fields bitmap
+      long fields = reader.readLong();
+      for (int c = 0; c < numColumns; c++) {
+        if ((fields & 1) == 1) {
+          // Field is present, read into values
+          readOneCell(columnNames[c], columnTypes[c], valueBulk[numValues],
+              reader);
+        } else if (readNullFields) {
+          // Field not present but still written, read and discard
+          readOneCell(columnNames[c], columnTypes[c], null, reader);
+        }
+
+        fields >>= 1;
+      }
+
+      numValues++;
+
+      // If we have enough values, flush them as a bulk insertion
+      if (numValues >= bulkSize) {
+        doBulkInsert(valueBulk);
+        numValues = 0;
+      }
+    }
+
+    // Do a final bulk insert with the leftovers
+    if (numValues > 0) {
+      ContentValues[] leftovers = new ContentValues[numValues];
+      System.arraycopy(valueBulk, 0, leftovers, 0, numValues);
+      doBulkInsert(leftovers);
+    }
+  }
+
+  protected void doBulkInsert(ContentValues[] values) {
+    resolver.bulkInsert(destinationUri, values);
+  }
+
+  /**
+   * Reads a single cell from the reader.
+   *
+   * @param name the name of the column to be read
+   * @param typeId the type ID of the column to be read
+   * @param values the {@link ContentValues} object to put the read cell value
+   *        in - if null, the value is just discarded
+   * @throws IOException if there are any problems while reading
+   */
+  private void readOneCell(String name, byte typeId, ContentValues values,
+      DataInputStream reader) throws IOException {
+    switch (typeId) {
+      case ContentTypeIds.BOOLEAN_TYPE_ID: {
+        boolean value = reader.readBoolean();
+        if (values != null) { values.put(name, value); }
+        return;
+      }
+      case ContentTypeIds.LONG_TYPE_ID: {
+        long value = reader.readLong();
+        if (values != null) { values.put(name, value); }
+        return;
+      }
+      case ContentTypeIds.DOUBLE_TYPE_ID: {
+        double value = reader.readDouble();
+        if (values != null) { values.put(name, value); }
+        return;
+      }
+      case ContentTypeIds.FLOAT_TYPE_ID: {
+        Float value = reader.readFloat();
+        if (values != null) { values.put(name, value); }
+        return;
+      }
+      case ContentTypeIds.INT_TYPE_ID: {
+        int value = reader.readInt();
+        if (values != null) { values.put(name, value); }
+        return;
+      }
+      case ContentTypeIds.STRING_TYPE_ID: {
+        String value = reader.readUTF();
+        if (values != null) { values.put(name, value); }
+        return;
+      }
+      case ContentTypeIds.BLOB_TYPE_ID: {
+        int blobLength = reader.readInt();
+        if (blobLength != 0) {
+          byte[] blob = new byte[blobLength];
+          int readBytes = reader.read(blob, 0, blobLength);
+          if (readBytes != blobLength) {
+            throw new IOException(String.format(Locale.US,
+                "Short read on column %s; expected %d bytes, read %d",
+                name, blobLength, readBytes));
+          }
+          
+          if (values != null) {
+            values.put(name, blob);
+          }
+        }
+        return;
+      }
+      default:
+        throw new IOException("Read unknown type " + typeId);
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/ExternalFileBackup.java

@@ -0,0 +1,277 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.content.TrackPointsColumns;
+import com.google.android.apps.mytracks.content.TracksColumns;
+import com.google.android.apps.mytracks.content.WaypointsColumns;
+import com.google.android.apps.mytracks.util.FileUtils;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.util.Log;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+import java.util.TimeZone;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipOutputStream;
+
+/**
+ * Handler for writing or reading single-file backups.
+ *
+ * @author Rodrigo Damazio
+ */
+class ExternalFileBackup {
+  
+  private static final String TAG = ExternalFileBackup.class.getSimpleName();
+  
+  // Filename format - in UTC
+  private static final SimpleDateFormat BACKUP_FILENAME_FORMAT = new SimpleDateFormat(
+      "'backup-'yyyy-MM-dd_HH-mm-ss'.zip'", Locale.US);
+  static {
+    BACKUP_FILENAME_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
+  }
+
+  private static final int BACKUP_FORMAT_VERSION = 1;
+  private static final String ZIP_ENTRY_NAME =
+      "backup.mytracks.v" + BACKUP_FORMAT_VERSION;
+  private static final int COMPRESSION_LEVEL = 8;
+
+  private final Context context;
+
+  public ExternalFileBackup(Context context) {
+    this.context = context;
+  }
+
+  /**
+   * Returns whether the backups directory is (or can be made) available.
+   *
+   * @param create whether to try creating the directory if it doesn't exist
+   */
+  public boolean isBackupsDirectoryAvailable(boolean create) {
+    return getBackupsDirectory(create) != null;
+  }
+
+  /**
+   * Returns the backup directory, or null if not available.
+   *
+   * @param create whether to try creating the directory if it doesn't exist
+   */
+  private File getBackupsDirectory(boolean create) {
+    String directoryPath = FileUtils.getPath(FileUtils.BACKUPS_DIR);
+    final File dir = new File(directoryPath);
+    Log.d(TAG, "Dir: " + dir.getAbsolutePath());
+    if (create) {
+      // Try to create - if that fails, return null
+      return FileUtils.ensureDirectoryExists(dir) ? dir : null;
+    } else {
+      // Return it if it already exists, otherwise return null
+      return FileUtils.isDirectory(dir) ? dir : null;
+    }
+  }
+
+  /**
+   * Returns a list of available backups to be restored.
+   */
+  public Date[] getAvailableBackups() {
+    File dir = getBackupsDirectory(false);
+    if (dir == null) { return null; }
+    String[] fileNames = dir.list();
+
+    List<Date> backupDates = new ArrayList<Date>(fileNames.length);
+    for (int i = 0; i < fileNames.length; i++) {
+      String fileName = fileNames[i];
+      try {
+        backupDates.add(BACKUP_FILENAME_FORMAT.parse(fileName));
+      } catch (ParseException e) {
+        // Not a backup file, ignore
+      }
+    }
+
+    return backupDates.toArray(new Date[backupDates.size()]);
+  }
+
+  /**
+   * Writes the backup to the default file.
+   */
+  public void writeToDefaultFile() throws IOException {
+    writeToFile(getFileForDate(new Date()));
+  }
+
+  /**
+   * Restores the backup from the given date.
+   */
+  public void restoreFromDate(Date when) throws IOException {
+    restoreFromFile(getFileForDate(when));
+  }
+
+  /**
+   * Produces the proper file descriptor for the given backup date.
+   */
+  private File getFileForDate(Date when) {
+    File dir = getBackupsDirectory(false);
+    String fileName = BACKUP_FILENAME_FORMAT.format(when);
+    File file = new File(dir, fileName);
+    return file;
+  }
+
+  /**
+   * Synchronously writes a backup to the given file.
+   */
+  private void writeToFile(File outputFile) throws IOException {
+    Log.d(TAG, "Writing backup to file " + outputFile.getAbsolutePath());
+
+    // Create all the auxiliary classes that will do the writing
+    PreferenceBackupHelper preferencesHelper = new PreferenceBackupHelper(context);
+    DatabaseDumper trackDumper = new DatabaseDumper(
+        TracksColumns.COLUMNS,
+        TracksColumns.COLUMN_TYPES,
+        false);
+    DatabaseDumper waypointDumper = new DatabaseDumper(
+        WaypointsColumns.COLUMNS,
+        WaypointsColumns.COLUMN_TYPES,
+        false);
+    DatabaseDumper pointDumper = new DatabaseDumper(
+        TrackPointsColumns.COLUMNS,
+        TrackPointsColumns.COLUMN_TYPES,
+        false);
+
+    // Open the target for writing
+    FileOutputStream outputStream = new FileOutputStream(outputFile);
+    ZipOutputStream compressedStream = new ZipOutputStream(outputStream);
+    compressedStream.setLevel(COMPRESSION_LEVEL);
+    compressedStream.putNextEntry(new ZipEntry(ZIP_ENTRY_NAME));
+    DataOutputStream outWriter = new DataOutputStream(compressedStream);
+
+    try {
+      // Dump the entire contents of each table
+      ContentResolver contentResolver = context.getContentResolver();
+      Cursor tracksCursor = null;
+      try {
+        tracksCursor = contentResolver.query(TracksColumns.CONTENT_URI, null, null, null, null);
+        if (tracksCursor != null) {
+          trackDumper.writeAllRows(tracksCursor, outWriter);
+        }
+      } finally {
+        if (tracksCursor != null) {
+          tracksCursor.close();
+        }
+      }
+
+      Cursor waypointsCursor = null;
+      try {
+        waypointsCursor = contentResolver.query(
+            WaypointsColumns.CONTENT_URI, null, null, null, null);
+        if (waypointsCursor != null) {
+          waypointDumper.writeAllRows(waypointsCursor, outWriter);
+        }
+      } finally {
+        if (waypointsCursor != null) {
+          waypointsCursor.close();
+        }
+      }
+
+      Cursor pointsCursor = null;
+      try {
+        pointsCursor = contentResolver.query(
+            TrackPointsColumns.CONTENT_URI, null, null, null, null);
+        if (pointsCursor != null) {
+          pointDumper.writeAllRows(pointsCursor, outWriter);
+        }
+      } finally {
+        if (pointsCursor != null) {
+          pointsCursor.close();
+        }
+      }
+
+      // Dump preferences
+      SharedPreferences preferences = context.getSharedPreferences(
+          Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+      preferencesHelper.exportPreferences(preferences, outWriter);
+    } catch (IOException e) {
+      // We tried to delete the partially created file, but do nothing
+      // if that also fails.
+      if (!outputFile.delete()) {
+        Log.w(TAG, "Failed to delete file " + outputFile.getAbsolutePath());
+      }
+
+      throw e;
+    } finally {
+      compressedStream.closeEntry();
+      compressedStream.close();
+    }
+  }
+
+  /**
+   * Synchronously restores the backup from the given file.
+   */
+  private void restoreFromFile(File inputFile) throws IOException {
+    Log.d(TAG, "Restoring from file " + inputFile.getAbsolutePath());
+
+    PreferenceBackupHelper preferencesHelper = new PreferenceBackupHelper(context);
+    ContentResolver resolver = context.getContentResolver();
+    DatabaseImporter trackImporter =
+        new DatabaseImporter(TracksColumns.CONTENT_URI, resolver, false);
+    DatabaseImporter waypointImporter =
+        new DatabaseImporter(WaypointsColumns.CONTENT_URI, resolver, false);
+    DatabaseImporter pointImporter =
+        new DatabaseImporter(TrackPointsColumns.CONTENT_URI, resolver, false);
+
+    ZipFile zipFile = new ZipFile(inputFile, ZipFile.OPEN_READ);
+    ZipEntry zipEntry = zipFile.getEntry(ZIP_ENTRY_NAME);
+    if (zipEntry == null) {
+      throw new IOException("Invalid backup ZIP file");
+    }
+
+    InputStream compressedStream = zipFile.getInputStream(zipEntry);
+    DataInputStream reader = new DataInputStream(compressedStream);
+
+    try {
+      // Delete all previous contents of the tables and preferences.
+      resolver.delete(TracksColumns.CONTENT_URI, null, null);
+      resolver.delete(TrackPointsColumns.CONTENT_URI, null, null);
+      resolver.delete(WaypointsColumns.CONTENT_URI, null, null);
+
+      // Import the new contents of each table
+      trackImporter.importAllRows(reader);
+      waypointImporter.importAllRows(reader);
+      pointImporter.importAllRows(reader);
+
+      // Restore preferences
+      SharedPreferences preferences = context.getSharedPreferences(
+          Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+      preferencesHelper.importPreferences(reader, preferences);
+    } finally {
+      compressedStream.close();
+      zipFile.close();
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/MyTracksBackupAgent.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.Constants;
+
+import android.app.backup.BackupAgent;
+import android.app.backup.BackupDataInput;
+import android.app.backup.BackupDataOutput;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.ParcelFileDescriptor;
+import android.util.Log;
+
+import java.io.IOException;
+
+/**
+ * Backup agent used to backup and restore all preferences.
+ * We use a regular {@link BackupAgent} instead of the convenient helpers in
+ * order to be future-proof (assuming we'll want to back up tracks later).
+ * 
+ * @author Rodrigo Damazio
+ */
+public class MyTracksBackupAgent extends BackupAgent {
+  
+  private static final String TAG = MyTracksBackupAgent.class.getSimpleName();
+  
+  private static final String PREFERENCES_ENTITY = "prefs";
+
+  @Override
+  public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data,
+      ParcelFileDescriptor newState) throws IOException {
+    Log.i(TAG, "Performing backup");
+    SharedPreferences preferences = this.getSharedPreferences(
+        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+
+    backupPreferences(data, preferences);
+    Log.i(TAG, "Backup complete");
+  }
+
+  private void backupPreferences(BackupDataOutput data,
+      SharedPreferences preferences) throws IOException {
+    PreferenceBackupHelper preferenceDumper = createPreferenceBackupHelper();
+    byte[] dumpedContents = preferenceDumper.exportPreferences(preferences);
+    data.writeEntityHeader(PREFERENCES_ENTITY, dumpedContents.length);
+    data.writeEntityData(dumpedContents, dumpedContents.length);
+  }
+
+  protected PreferenceBackupHelper createPreferenceBackupHelper() {
+    return new PreferenceBackupHelper(this);
+  }
+
+  @Override
+  public void onRestore(BackupDataInput data, int appVersionCode,
+      ParcelFileDescriptor newState) throws IOException {
+    Log.i(TAG, "Restoring from backup");
+    while (data.readNextHeader()) {
+      String key = data.getKey();
+      Log.d(TAG, "Restoring entity " + key);
+      if (key.equals(PREFERENCES_ENTITY)) {
+        restorePreferences(data);
+      } else {
+        Log.e(TAG, "Found unknown backup entity: " + key);
+        data.skipEntityData();
+      }
+    }
+    Log.i(TAG, "Done restoring from backup");
+  }
+
+  /**
+   * Restores all preferences from the backup.
+   * 
+   * @param data the backup data to read from
+   * @throws IOException if there are any errors while reading
+   */
+  private void restorePreferences(BackupDataInput data) throws IOException {
+    int dataSize = data.getDataSize();
+    byte[] dataBuffer = new byte[dataSize];
+    int read = data.readEntityData(dataBuffer, 0, dataSize);
+    if (read != dataSize) {
+      throw new IOException("Failed to read all the preferences data");
+    }
+
+    SharedPreferences preferences = this.getSharedPreferences(
+        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+    PreferenceBackupHelper importer = createPreferenceBackupHelper();
+    importer.importPreferences(dataBuffer, preferences);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/PreferenceBackupHelper.java

@@ -0,0 +1,215 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.content.ContentTypeIds;
+import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.util.HashSet;
+import java.util.Map;
+
+/**
+ * Helper for backing up and restoring shared preferences.
+ * 
+ * @author Rodrigo Damazio
+ */
+public class PreferenceBackupHelper {
+
+  private static final int BUFFER_SIZE = 2048;
+
+  private final HashSet<String> doNotBackup;
+
+  public PreferenceBackupHelper(Context context) {
+    doNotBackup = new HashSet<String>();
+    doNotBackup.add(context.getString(R.string.activity_recognition_type_key));
+    doNotBackup.add(context.getString(R.string.ant_bike_cadence_sensor_id_key));
+    doNotBackup.add(context.getString(R.string.ant_combined_bike_sensor_id_key));
+    doNotBackup.add(context.getString(R.string.ant_heart_rate_monitor_id_key));
+    doNotBackup.add(context.getString(R.string.ant_speed_distance_monitor_id_key));
+    doNotBackup.add(context.getString(R.string.auto_resume_track_current_retry_key));
+    doNotBackup.add(context.getString(R.string.bluetooth_sensor_key));
+    doNotBackup.add(context.getString(R.string.drive_deleted_list_key));
+    doNotBackup.add(context.getString(R.string.drive_largest_change_id_key));
+    doNotBackup.add(context.getString(R.string.drive_sync_key));
+    doNotBackup.add(context.getString(R.string.google_account_key));
+    doNotBackup.add(context.getString(R.string.recording_track_id_key));
+    doNotBackup.add(context.getString(R.string.recording_track_paused_key));
+  }
+
+  /**
+   * Exports all shared preferences from the given object as a byte array.
+   * 
+   * @param preferences the preferences to export
+   * @return the corresponding byte array
+   * @throws IOException if there are any errors while writing to the byte array
+   */
+  public byte[] exportPreferences(SharedPreferences preferences) throws IOException {
+    ByteArrayOutputStream bufStream = new ByteArrayOutputStream(BUFFER_SIZE);
+    DataOutputStream outWriter = new DataOutputStream(bufStream);
+    exportPreferences(preferences, outWriter);
+
+    return bufStream.toByteArray();
+  }
+
+  /**
+   * Exports all shared preferences from the given object into the given output
+   * stream.
+   * 
+   * @param preferences the preferences to export
+   * @param outWriter the stream to write them to
+   * @throws IOException if there are any errors while writing the output
+   */
+  public void exportPreferences(SharedPreferences preferences, DataOutputStream outWriter)
+      throws IOException {
+    Map<String, ?> values = preferences.getAll();
+
+    for (String name : doNotBackup) {
+      values.remove(name);
+    }
+    outWriter.writeInt(values.size());
+    for (Map.Entry<String, ?> entry : values.entrySet()) {
+      writePreference(entry.getKey(), entry.getValue(), outWriter);
+    }
+    outWriter.flush();
+  }
+
+  /**
+   * Imports all preferences from the given byte array.
+   * 
+   * @param data the byte array to read preferences from
+   * @param preferences the shared preferences to edit
+   * @throws IOException if there are any errors while reading
+   */
+  public void importPreferences(byte[] data, SharedPreferences preferences) throws IOException {
+    ByteArrayInputStream bufStream = new ByteArrayInputStream(data);
+    DataInputStream reader = new DataInputStream(bufStream);
+
+    importPreferences(reader, preferences);
+  }
+
+  /**
+   * Imports all preferences from the given stream.
+   * 
+   * @param reader the stream to read from
+   * @param preferences the shared preferences to edit
+   * @throws IOException if there are any errors while reading
+   */
+  public void importPreferences(DataInputStream reader, SharedPreferences preferences)
+      throws IOException {
+    Editor editor = preferences.edit();
+    editor.clear();
+
+    int numPreferences = reader.readInt();
+    for (int i = 0; i < numPreferences; i++) {
+      String name = reader.readUTF();
+      byte typeId = reader.readByte();
+      readAndSetPreference(name, typeId, reader, editor);
+    }
+    ApiAdapterFactory.getApiAdapter().applyPreferenceChanges(editor);
+  }
+
+  /**
+   * Reads a single preference and sets it into the given editor.
+   * 
+   * @param name the name of the preference to read
+   * @param typeId the type ID of the preference to read
+   * @param reader the reader to read from
+   * @param editor the editor to set the preference in
+   * @throws IOException if there are errors while reading
+   */
+  private void readAndSetPreference(String name, byte typeId, DataInputStream reader, Editor editor)
+      throws IOException {
+
+    boolean save = true;
+    if (doNotBackup.contains(name)) {
+      save = false;
+    }
+    switch (typeId) {
+      case ContentTypeIds.BOOLEAN_TYPE_ID:
+        boolean booleanValue = reader.readBoolean();
+        if (save) {
+          editor.putBoolean(name, booleanValue);
+        }
+        return;
+      case ContentTypeIds.LONG_TYPE_ID:
+        long longValue = reader.readLong();
+        if (save) {
+          editor.putLong(name, longValue);
+        }
+        return;
+      case ContentTypeIds.FLOAT_TYPE_ID:
+        float floatValue = reader.readFloat();
+        if (save) {
+          editor.putFloat(name, floatValue);
+        }
+        return;
+      case ContentTypeIds.INT_TYPE_ID:
+        int intValue = reader.readInt();
+        if (save) {
+          editor.putInt(name, intValue);
+        }
+        return;
+      case ContentTypeIds.STRING_TYPE_ID:
+        String utfValue = reader.readUTF();
+        if (save) {
+          editor.putString(name, utfValue);
+        }
+        return;
+    }
+  }
+
+  /**
+   * Writes a single preference.
+   * 
+   * @param name the name of the preference to write
+   * @param value the correctly-typed value of the preference
+   * @param writer the writer to write to
+   * @throws IOException if there are errors while writing
+   */
+  private void writePreference(String name, Object value, DataOutputStream writer)
+      throws IOException {
+    writer.writeUTF(name);
+
+    if (value instanceof Boolean) {
+      writer.writeByte(ContentTypeIds.BOOLEAN_TYPE_ID);
+      writer.writeBoolean((Boolean) value);
+    } else if (value instanceof Integer) {
+      writer.writeByte(ContentTypeIds.INT_TYPE_ID);
+      writer.writeInt((Integer) value);
+    } else if (value instanceof Long) {
+      writer.writeByte(ContentTypeIds.LONG_TYPE_ID);
+      writer.writeLong((Long) value);
+    } else if (value instanceof Float) {
+      writer.writeByte(ContentTypeIds.FLOAT_TYPE_ID);
+      writer.writeFloat((Float) value);
+    } else if (value instanceof String) {
+      writer.writeByte(ContentTypeIds.STRING_TYPE_ID);
+      writer.writeUTF((String) value);
+    } else {
+      throw new IllegalArgumentException("Type " + value.getClass().getName() + " not supported");
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/RestoreActivity.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.TrackListActivity;
+import com.google.android.apps.mytracks.util.DialogUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.Toast;
+
+import java.util.Date;
+
+/**
+ * An activity to restore data from the SD card.
+ * 
+ * @author Jimmy Shih
+ */
+public class RestoreActivity extends Activity {
+
+  public static final String EXTRA_DATE = "date";
+  
+  private static final String TAG = RestoreActivity.class.getSimpleName();
+  private static final int DIALOG_PROGRESS_ID = 0;
+  
+  private RestoreAsyncTask restoreAsyncTask;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    Object retained = getLastNonConfigurationInstance();
+    if (retained instanceof RestoreAsyncTask) {
+      restoreAsyncTask = (RestoreAsyncTask) retained;
+      restoreAsyncTask.setActivity(this);
+    } else {
+      long date = getIntent().getLongExtra(EXTRA_DATE, -1L);
+      if (date == -1L) {
+        Log.d(TAG, "Invalid date");
+        finish();
+        return;
+      }
+      restoreAsyncTask = new RestoreAsyncTask(this, new Date(date));
+      restoreAsyncTask.execute();
+    }
+  }
+
+  @Override
+  public Object onRetainNonConfigurationInstance() {
+    restoreAsyncTask.setActivity(null);
+    return restoreAsyncTask;
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    if (id != DIALOG_PROGRESS_ID) {
+      return null;
+    }
+    return DialogUtils.createSpinnerProgressDialog(this,
+        R.string.settings_backup_restore_progress_message, new DialogInterface.OnCancelListener() {
+          @Override
+          public void onCancel(DialogInterface dialog) {
+            finish();
+          }
+        });
+  }
+
+  /**
+   * Invokes when the associated AsyncTask completes.
+   *
+   * @param success true if the AsyncTask is successful
+   * @param messageId message id to display to user
+   */
+  public void onAsyncTaskCompleted(boolean success, int messageId) {
+    removeDialog(DIALOG_PROGRESS_ID);
+    Toast.makeText(this, messageId, success ? Toast.LENGTH_SHORT : Toast.LENGTH_LONG).show();
+    Intent intent = IntentUtils.newIntent(this, TrackListActivity.class);
+    startActivity(intent);
+  }
+
+  /**
+   * Shows the progress dialog.
+   */
+  public void showProgressDialog() {
+    showDialog(DIALOG_PROGRESS_ID);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/RestoreAsyncTask.java

@@ -0,0 +1,110 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.io.sync.SyncUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.os.AsyncTask;
+import android.util.Log;
+
+import java.io.IOException;
+import java.util.Date;
+
+/**
+ * AsyncTask to restore data from the SD card.
+ *
+ * @author Jimmy Shih
+ */
+public class RestoreAsyncTask extends AsyncTask<Void, Integer, Boolean> {
+
+  private static final String TAG = RestoreAsyncTask.class.getSimpleName();
+
+  private RestoreActivity restoreActivity;
+  private final Date date;
+  private final ExternalFileBackup externalFileBackup;
+
+  // true if the AsyncTask result is success
+  private boolean success;
+
+  // true if the AsyncTask has completed
+  private boolean completed;
+
+  // message id to return to the activity
+  private int messageId;
+
+  /**
+   * Creates an AsyncTask.
+   *
+   * @param restoreActivity the activity currently associated with this
+   *          AsyncTask
+   * @param date the date to retore from
+   */
+  public RestoreAsyncTask(RestoreActivity restoreActivity, Date date) {
+    this.restoreActivity = restoreActivity;
+    this.date = date;
+    this.externalFileBackup = new ExternalFileBackup(restoreActivity);
+    success = false;
+    completed = false;
+    messageId = R.string.settings_backup_restore_error;
+  }
+
+  /**
+   * Sets the current {@link RestoreActivity} associated with this AyncTask.
+   *
+   * @param activity the current {@link RestoreActivity}, can be null
+   */
+  public void setActivity(RestoreActivity activity) {
+    this.restoreActivity = activity;
+    if (completed && restoreActivity != null) {
+      restoreActivity.onAsyncTaskCompleted(success, messageId);
+    }
+  }
+
+  @Override
+  protected void onPreExecute() {
+    if (restoreActivity != null) {
+      restoreActivity.showProgressDialog();
+    }
+  }
+
+  @Override
+  protected Boolean doInBackground(Void... params) {
+    try {
+      PreferencesUtils.setBoolean(
+          restoreActivity, R.string.drive_sync_key, PreferencesUtils.DRIVE_SYNC_DEFAULT);
+      SyncUtils.disableSync(restoreActivity);
+      externalFileBackup.restoreFromDate(date);
+      SyncUtils.clearSyncState(restoreActivity);
+      messageId = R.string.settings_backup_restore_success;
+      return true;
+    } catch (IOException e) {
+      Log.d(TAG, "IO exception", e);
+      return false;
+    }
+  }
+
+  @Override
+  protected void onPostExecute(Boolean result) {
+    success = result;
+    completed = true;
+    if (restoreActivity != null) {
+      restoreActivity.onAsyncTaskCompleted(success, messageId);
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/backup/RestoreChooserActivity.java

@@ -0,0 +1,130 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.backup;
+
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.Date;
+
+/**
+ * An activity to choose a date to restore from.
+ *
+ * @author Jimmy Shih
+ */
+public class RestoreChooserActivity extends Activity {
+
+  private static final Comparator<Date> REVERSE_DATE_ORDER = new Comparator<Date>() {
+    @Override
+    public int compare(Date s1, Date s2) {
+      return s2.compareTo(s1);
+    }
+  };
+  private static final int DIALOG_CHOOSER_ID = 0;
+
+  private Date[] backupDates;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    ExternalFileBackup externalFileBackup = new ExternalFileBackup(this);
+
+    // Get the list of existing backups
+    if (!FileUtils.isExternalStorageAvailable()) {
+      Toast.makeText(this, R.string.external_storage_not_available, Toast.LENGTH_LONG).show();
+      finish();
+      return;
+    }
+
+    if (!externalFileBackup.isBackupsDirectoryAvailable(false)) {
+      showNoBackupMessage();
+      finish();
+      return;
+    }
+
+    backupDates = externalFileBackup.getAvailableBackups();
+    if (backupDates == null || backupDates.length == 0) {
+      showNoBackupMessage();
+      finish();
+      return;
+    }
+
+    if (backupDates.length == 1) {
+      Intent intent = IntentUtils.newIntent(this, RestoreActivity.class)
+          .putExtra(RestoreActivity.EXTRA_DATE, backupDates[0].getTime());
+      startActivity(intent);
+      finish();
+      return;
+    }
+
+    Arrays.sort(backupDates, REVERSE_DATE_ORDER);
+    showDialog(DIALOG_CHOOSER_ID);
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    if (id != DIALOG_CHOOSER_ID) {
+      return null;
+    }
+    String items[] = new String[backupDates.length];
+    for (int i = 0; i < backupDates.length; i++) {
+      items[i] = StringUtils.formatDateTime(this, backupDates[i].getTime());
+    }
+    return new AlertDialog.Builder(this)
+        .setCancelable(true)
+        .setItems(items, new DialogInterface.OnClickListener() {
+          @Override
+          public void onClick(DialogInterface dialog, int which) {
+            Intent intent = IntentUtils.newIntent(
+                RestoreChooserActivity.this, RestoreActivity.class)
+                .putExtra(RestoreActivity.EXTRA_DATE, backupDates[which].getTime());
+            startActivity(intent);
+            finish();
+          }
+        })
+        .setOnCancelListener(new DialogInterface.OnCancelListener() {
+          @Override
+          public void onCancel(DialogInterface dialog) {
+            finish();
+          }
+        })
+        .setTitle(R.string.settings_backup_restore_select_title)
+        .create();
+  }
+
+  /**
+   * Shows a no backup message.
+   */
+  private void showNoBackupMessage() {
+    String message = getString(R.string.settings_backup_restore_no_backups,
+        FileUtils.getPathDisplayName(FileUtils.BACKUPS_DIR));
+    Toast.makeText(this, message, Toast.LENGTH_LONG).show();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/drive/SendDriveActivity.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.drive;
+
+import com.google.android.apps.mytracks.io.fusiontables.SendFusionTablesActivity;
+import com.google.android.apps.mytracks.io.maps.SendMapsActivity;
+import com.google.android.apps.mytracks.io.sendtogoogle.AbstractSendActivity;
+import com.google.android.apps.mytracks.io.sendtogoogle.AbstractSendAsyncTask;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendRequest;
+import com.google.android.apps.mytracks.io.sendtogoogle.UploadResultActivity;
+import com.google.android.apps.mytracks.io.spreadsheets.SendSpreadsheetsActivity;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Intent;
+
+/**
+ * An activity to send a track to Google Drive.
+ * 
+ * @author Jimmy Shih
+ */
+public class SendDriveActivity extends AbstractSendActivity {
+
+  @Override
+  protected AbstractSendAsyncTask createAsyncTask() {
+    return new SendDriveAsyncTask(this, sendRequest.getTrackId(), sendRequest.getAccount(),
+        sendRequest.getDriveShareEmails(), sendRequest.isDriveSharePublic());
+  }
+
+  @Override
+  protected String getServiceName() {
+    return getString(R.string.export_google_drive);
+  }
+
+  @Override
+  protected void startNextActivity(boolean success, boolean isCancel) {
+    sendRequest.setDriveSuccess(success);
+    Class<?> next = getNextClass(isCancel);
+    Intent intent = IntentUtils.newIntent(this, next)
+        .putExtra(SendRequest.SEND_REQUEST_KEY, sendRequest);
+    startActivity(intent);
+    finish();
+  }
+
+  private Class<?> getNextClass(boolean isCancel) {
+    if (isCancel) {
+      return UploadResultActivity.class;
+    } else {
+      if (sendRequest.isSendMaps()) {
+        return SendMapsActivity.class;
+      } else if (sendRequest.isSendFusionTables()) {
+        return SendFusionTablesActivity.class;
+      } else if (sendRequest.isSendSpreadsheets()) {
+        return SendSpreadsheetsActivity.class;
+      } else {
+        return UploadResultActivity.class;
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/drive/SendDriveAsyncTask.java

@@ -0,0 +1,168 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.drive;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.io.sendtogoogle.AbstractSendAsyncTask;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendToGoogleUtils;
+import com.google.android.apps.mytracks.io.sync.SyncUtils;
+import com.google.android.gms.auth.GoogleAuthException;
+import com.google.android.gms.auth.UserRecoverableAuthException;
+import com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential;
+import com.google.api.client.googleapis.extensions.android.gms.auth.UserRecoverableAuthIOException;
+import com.google.api.services.drive.Drive;
+import com.google.api.services.drive.model.File;
+import com.google.api.services.drive.model.Permission;
+import com.google.api.services.drive.model.PermissionList;
+
+import android.accounts.Account;
+import android.content.Context;
+
+import java.io.IOException;
+
+/**
+ * AsyncTask to send a track to Google Drive.
+ * 
+ * @author Jimmy Shih
+ */
+public class SendDriveAsyncTask extends AbstractSendAsyncTask {
+
+  private final long trackId;
+  private final Account account;
+  private final String[] acl;
+  private final boolean isPublic;
+  private final Context context;
+  private final MyTracksProviderUtils myTracksProviderUtils;
+
+  public SendDriveAsyncTask(
+      SendDriveActivity activity, long trackId, Account account, String acl, boolean isPublic) {
+    super(activity);
+    this.trackId = trackId;
+    this.account = account;
+    if (acl != null) {
+      this.acl = acl.split(",");
+    } else {
+      this.acl = null;
+    }
+    this.isPublic = isPublic;
+    
+    context = activity.getApplicationContext();
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
+  }
+
+  @Override
+  protected void closeConnection() {}
+
+  @Override
+  protected boolean performTask() {
+    try {
+      GoogleAccountCredential credential = SendToGoogleUtils.getGoogleAccountCredential(
+          context, account.name, SendToGoogleUtils.DRIVE_SCOPE);
+      if (credential == null) {
+        return false;
+      }
+      Drive drive = SyncUtils.getDriveService(credential);
+      File folder = SyncUtils.getMyTracksFolder(context, drive);
+      if (folder == null) {
+        return false;
+      }
+      String folderId = folder.getId();
+      if (folderId == null) {
+        return false;
+      }
+
+      Track track = myTracksProviderUtils.getTrack(trackId);
+      String driveId = track.getDriveId();
+      if (driveId != null && !driveId.equals("")) {
+        File driveFile = drive.files().get(driveId).execute();
+        if (SyncUtils.isValid(driveFile, folderId) && SyncUtils.updateDriveFile(
+            drive, driveFile, context, myTracksProviderUtils, track, false)) {
+          addPermission(drive, driveFile);
+          return true;
+        }
+        SyncUtils.updateTrack(myTracksProviderUtils, track, null);
+      }
+
+      File file = SyncUtils.insertDriveFile(
+          drive, folderId, context, myTracksProviderUtils, track, false);
+      if (file == null) {
+        return false;
+      }
+      addPermission(drive, file);
+      return true;
+    } catch (UserRecoverableAuthException e) {
+      SendToGoogleUtils.sendNotification(
+          context, account.name, e.getIntent(), SendToGoogleUtils.DRIVE_NOTIFICATION_ID);
+      return false;
+    } catch (GoogleAuthException e) {
+      return retryTask();
+    } catch (UserRecoverableAuthIOException e) {
+      SendToGoogleUtils.sendNotification(
+          context, account.name, e.getIntent(), SendToGoogleUtils.DRIVE_NOTIFICATION_ID);
+      return false;
+    } catch (IOException e) {
+      return retryTask();
+    }
+  }
+
+  @Override
+  protected void invalidateToken() {}
+
+  /**
+   * Adds permission.
+   * 
+   * @param drive the drive
+   * @param file the drive file
+   */
+  private void addPermission(Drive drive, File file) throws IOException {
+    if (isPublic) {
+      boolean hasPublic = false;
+      PermissionList permissionList = drive.permissions().list(file.getId()).execute();
+      for (Permission permission : permissionList.getItems()) {
+        String role = permission.getRole();
+        if (role.equals("reader") || role.equals("writer")) {
+          if (permission.getType().equals("anyone")) {
+            hasPublic = true;
+            break;
+          }
+        }
+      }
+      if (!hasPublic) {
+        Permission permission = new Permission();
+        permission.setRole("reader");
+        permission.setType("anyone");
+        permission.setValue("");
+        drive.permissions().insert(file.getId(), permission).execute();
+      }
+      shareUrl = file.getAlternateLink();
+    }
+
+    if (acl != null) {
+      for (String email : acl) {
+        email = email.trim();
+        if (!email.equals("")) {
+          Permission permission = new Permission();
+          permission.setRole("reader");
+          permission.setType("user");
+          permission.setValue(email);
+          drive.permissions().insert(file.getId(), permission).execute();
+        }
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/TrackFileFormat.java

@@ -0,0 +1,84 @@
+package com.google.android.apps.mytracks.io.file;
+
+import com.google.android.apps.mytracks.io.file.exporter.CsvTrackWriter;
+import com.google.android.apps.mytracks.io.file.exporter.GpxTrackWriter;
+import com.google.android.apps.mytracks.io.file.exporter.KmlTrackWriter;
+import com.google.android.apps.mytracks.io.file.exporter.TcxTrackWriter;
+import com.google.android.apps.mytracks.io.file.exporter.TrackWriter;
+
+import android.content.Context;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.Locale;
+
+/**
+ * Definition of all possible track formats.
+ */
+public enum TrackFileFormat implements Parcelable {
+  KML {
+  @Override
+    public TrackWriter newTrackWriter(Context context, boolean playTrack) {
+      return new KmlTrackWriter(context, playTrack);
+    }
+  },
+  GPX {
+  @Override
+    public TrackWriter newTrackWriter(Context context, boolean playTrack) {
+      return new GpxTrackWriter(context);
+    }
+  },
+  CSV {
+  @Override
+    public TrackWriter newTrackWriter(Context context, boolean playTrack) {
+      return new CsvTrackWriter(context);
+    }
+  },
+  TCX {
+  @Override
+    public TrackWriter newTrackWriter(Context context, boolean playTrack) {
+      return new TcxTrackWriter(context);
+    }
+  };
+
+  @Override
+  public int describeContents() {
+    return 0;
+  }
+
+  @Override
+  public void writeToParcel(final Parcel dest, final int flags) {
+    dest.writeInt(ordinal());
+  }
+
+  public static final Creator<TrackFileFormat> CREATOR = new Creator<TrackFileFormat>() {
+      @Override
+    public TrackFileFormat createFromParcel(final Parcel source) {
+      return TrackFileFormat.values()[source.readInt()];
+    }
+
+      @Override
+    public TrackFileFormat[] newArray(final int size) {
+      return new TrackFileFormat[size];
+    }
+  };
+
+  /**
+   * Creates a new track writer for the format.
+   */
+  public abstract TrackWriter newTrackWriter(Context context, boolean playTrack);
+
+  /**
+   * Returns the mime type for each format.
+   */
+  public String getMimeType() {
+    return "application/" + getExtension() + "+xml";
+  }
+
+  /**
+   * Returns the file extension for each format.
+   */
+  public String getExtension() {
+    return this.name().toLowerCase(Locale.US);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/CsvTrackWriter.java

@@ -0,0 +1,248 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import com.google.android.apps.mytracks.content.MyTracksLocation;
+import com.google.android.apps.mytracks.content.Sensor;
+import com.google.android.apps.mytracks.content.Sensor.SensorData;
+import com.google.android.apps.mytracks.content.Sensor.SensorDataSet;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.location.Location;
+
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.text.NumberFormat;
+
+/**
+ * Write track as CSV to a file. See RFC 4180 for info on CSV. Output three
+ * tables.<br>
+ * The first table contains the track info. Its columns are:<br>
+ * "Track name","Activity type","Track description" <br>
+ * <br>
+ * The second table contains the markers. Its columns are:<br>
+ * "Marker name","Marker type","Marker description","Latitude (deg)","Longitude
+ * (deg)","Altitude (m)","Bearing (deg)","Accuracy (m)","Speed (m/s)","Time"<br>
+ * <br>
+ * The thrid table contains the points. Its columns are:<br>
+ * "Segment","Point","Latitude (deg)","Longitude (deg)","Altitude (m)","Bearing
+ * (deg)","Accuracy (m)","Speed (m/s)","Time","Power (W)","Cadence (rpm)","Heart
+ * rate (bpm)","Battery level (%)"<br>
+ * 
+ * @author Rodrigo Damazio
+ */
+public class CsvTrackWriter implements TrackWriter {
+
+  private static final NumberFormat SHORT_FORMAT = NumberFormat.getInstance();
+
+  static {
+    SHORT_FORMAT.setMaximumFractionDigits(4);
+  }
+
+  private final Context context;
+  private PrintWriter printWriter;
+  private int segmentIndex;
+  private int pointIndex;
+
+  public CsvTrackWriter(Context context) {
+    this.context = context;
+  }
+
+  @Override
+  public String getExtension() {
+    return TrackFileFormat.CSV.getExtension();
+  }
+
+  @Override
+  public void prepare(OutputStream outputStream) {
+    printWriter = new PrintWriter(outputStream);
+    segmentIndex = 0;
+    pointIndex = 0;
+  }
+
+  @Override
+  public void close() {
+    if (printWriter != null) {
+      printWriter.flush();
+      printWriter = null;
+    }
+  }
+
+  @Override
+  public void writeHeader(Track[] tracks) {
+    writeCommaSeparatedLine(context.getString(R.string.generic_name),
+        context.getString(R.string.track_edit_activity_type_hint),
+        context.getString(R.string.generic_description));
+    Track track = tracks[0];
+    writeCommaSeparatedLine(track.getName(), track.getCategory(), track.getDescription());
+    writeCommaSeparatedLine();
+  }
+
+  @Override
+  public void writeFooter() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeBeginWaypoints(Track track) {
+    writeCommaSeparatedLine(context.getString(R.string.generic_name),
+        context.getString(R.string.marker_edit_marker_type_hint),
+        context.getString(R.string.generic_description),
+        context.getString(R.string.description_location_latitude),
+        context.getString(R.string.description_location_longitude),
+        context.getString(R.string.description_location_altitude),
+        context.getString(R.string.description_location_bearing),
+        context.getString(R.string.description_location_accuracy),
+        context.getString(R.string.description_location_speed),
+        context.getString(R.string.description_time));
+  }
+
+  @Override
+  public void writeEndWaypoints() {
+    writeCommaSeparatedLine();
+  }
+
+  @Override
+  public void writeWaypoint(Waypoint waypoint) {
+    Location location = waypoint.getLocation();
+    writeCommaSeparatedLine(waypoint.getName(), waypoint.getCategory(), waypoint.getDescription(),
+        Double.toString(location.getLatitude()), Double.toString(location.getLongitude()),
+        getAltitude(location), getBearing(location), getAccuracy(location), getSpeed(location),
+        StringUtils.formatDateTimeIso8601(location.getTime()));
+  }
+
+  @Override
+  public void writeBeginTracks() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeEndTracks() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeBeginTrack(Track track, Location startLocation) {
+    writeCommaSeparatedLine(context.getString(R.string.description_track_segment),
+        context.getString(R.string.description_track_point),
+        context.getString(R.string.description_location_latitude),
+        context.getString(R.string.description_location_longitude),
+        context.getString(R.string.description_location_altitude),
+        context.getString(R.string.description_location_bearing),
+        context.getString(R.string.description_location_accuracy),
+        context.getString(R.string.description_location_speed),
+        context.getString(R.string.description_time),
+        context.getString(R.string.description_sensor_power),
+        context.getString(R.string.description_sensor_cadence),
+        context.getString(R.string.description_sensor_heart_rate));
+  }
+
+  @Override
+  public void writeEndTrack(Track track, Location endLocation) {
+    // Do nothing
+  }
+
+  @Override
+  public void writeOpenSegment() {
+    segmentIndex++;
+    pointIndex = 0;
+  }
+
+  @Override
+  public void writeCloseSegment() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeLocation(Location location) {
+    String power = null;
+    String cadence = null;
+    String heartRate = null;
+    if (location instanceof MyTracksLocation) {
+      SensorDataSet sensorDataSet = ((MyTracksLocation) location).getSensorDataSet();
+
+      if (sensorDataSet != null) {
+        if (sensorDataSet.hasPower()) {
+          SensorData sensorData = sensorDataSet.getPower();
+          if (sensorData.hasValue() && sensorData.getState() == Sensor.SensorState.SENDING) {
+            power = Double.toString(sensorData.getValue());
+          }
+        }
+        if (sensorDataSet.hasCadence()) {
+          SensorData sensorData = sensorDataSet.getCadence();
+          if (sensorData.hasValue() && sensorData.getState() == Sensor.SensorState.SENDING) {
+            cadence = Double.toString(sensorData.getValue());
+          }
+        }
+        if (sensorDataSet.hasHeartRate()) {
+          SensorData sensorData = sensorDataSet.getHeartRate();
+          if (sensorData.hasValue() && sensorData.getState() == Sensor.SensorState.SENDING) {
+            heartRate = Double.toString(sensorData.getValue());
+          }
+        }
+      }
+    }
+    pointIndex++;
+    writeCommaSeparatedLine(Integer.toString(segmentIndex), Integer.toString(pointIndex),
+        Double.toString(location.getLatitude()), Double.toString(location.getLongitude()),
+        getAltitude(location), getBearing(location), getAccuracy(location), getSpeed(location),
+        StringUtils.formatDateTimeIso8601(location.getTime()), power, cadence, heartRate);
+  }
+
+  private String getAltitude(Location location) {
+    return location.hasAltitude() ? Double.toString(location.getAltitude()) : null;
+  }
+
+  private String getBearing(Location location) {
+    return location.hasBearing() ? Double.toString(location.getBearing()) : null;
+  }
+
+  private String getAccuracy(Location location) {
+    return location.hasAccuracy() ? SHORT_FORMAT.format(location.getAccuracy()) : null;
+  }
+
+  private String getSpeed(Location location) {
+    return location.hasSpeed() ? SHORT_FORMAT.format(location.getSpeed()) : null;
+  }
+
+  /**
+   * Writes a single line of a CSV file.
+   * 
+   * @param values the values to be written as CSV
+   */
+  private void writeCommaSeparatedLine(String... values) {
+    StringBuilder builder = new StringBuilder();
+    boolean isFirst = true;
+    for (String value : values) {
+      if (!isFirst) {
+        builder.append(',');
+      }
+      isFirst = false;
+
+      builder.append('"');
+      if (value != null) {
+        builder.append(value.replaceAll("\"", "\"\""));
+      }
+      builder.append('"');
+    }
+    printWriter.println(builder.toString());
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/FileTrackExporter.java

@@ -0,0 +1,240 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.content.MyTracksLocation;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils.LocationIterator;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.util.LocationUtils;
+
+import android.database.Cursor;
+import android.location.Location;
+import android.util.Log;
+
+import java.io.OutputStream;
+
+/**
+ * Track Writer for writing tracks to an {@link OutputStream}.
+ * 
+ * @author Sandor Dornbush
+ * @author Rodrigo Damazio
+ */
+public class FileTrackExporter implements TrackExporter {
+
+  private static final String TAG = FileTrackExporter.class.getSimpleName();
+
+  private final MyTracksProviderUtils myTracksProviderUtils;
+  private final Track[] tracks;
+  private final TrackWriter trackWriter;
+  private final TrackExporterListener trackExporterListener;
+
+  /**
+   * Constructor.
+   * 
+   * @param myTracksProviderUtils the my tracks provider utils
+   * @param tracks the tracks
+   * @param trackWriter the track writer
+   * @param trackExporterListener the track export listener
+   */
+  public FileTrackExporter(MyTracksProviderUtils myTracksProviderUtils, Track[] tracks,
+      TrackWriter trackWriter, TrackExporterListener trackExporterListener) {
+    this.myTracksProviderUtils = myTracksProviderUtils;
+    this.tracks = tracks;
+    this.trackWriter = trackWriter;
+    this.trackExporterListener = trackExporterListener;
+  }
+
+  @Override
+  public boolean writeTrack(OutputStream outputStream) {
+    try {
+      trackWriter.prepare(outputStream);
+      trackWriter.writeHeader(tracks);
+      for (int i = 0; i < tracks.length; i++) {
+        writeWaypoints(tracks[i]);
+      }
+      trackWriter.writeBeginTracks();
+      long startTime = tracks[0].getTripStatistics().getStartTime();
+      for (int i = 0; i < tracks.length; i++) {
+        long offset = tracks[i].getTripStatistics().getStartTime() - startTime;
+        writeLocations(tracks[i], offset);
+      }
+      trackWriter.writeEndTracks();
+      trackWriter.writeFooter();
+      trackWriter.close();
+      return true;
+    } catch (InterruptedException e) {
+      Log.e(TAG, "Thread interrupted", e);
+      return false;
+    }
+  }
+
+  /**
+   * Writes the waypoints.
+   */
+  private void writeWaypoints(Track track) throws InterruptedException {
+    /*
+     * TODO: Stream through the waypoints in chunks. I am leaving the number of
+     * waypoints very high which should not be a problem because we don't try to
+     * load them into objects all at the same time.
+     */
+    boolean hasWaypoints = false;
+    Cursor cursor = null;
+    try {
+      cursor = myTracksProviderUtils.getWaypointCursor(
+          track.getId(), -1L, Constants.MAX_LOADED_WAYPOINTS_POINTS);
+      if (cursor != null && cursor.moveToFirst()) {
+        /*
+         * Yes, this will skip the first waypoint and that is intentional as the
+         * first waypoint holds the stats for the track.
+         */
+        while (cursor.moveToNext()) {
+          if (Thread.interrupted()) {
+            throw new InterruptedException();
+          }
+          if (!hasWaypoints) {
+            trackWriter.writeBeginWaypoints(track);
+            hasWaypoints = true;
+          }
+          Waypoint waypoint = myTracksProviderUtils.createWaypoint(cursor);
+          trackWriter.writeWaypoint(waypoint);
+        }
+      }
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+    if (hasWaypoints) {
+      trackWriter.writeEndWaypoints();
+    }
+  }
+
+  /**
+   * Writes the locations.
+   */
+  private void writeLocations(Track track, long offset) throws InterruptedException {
+    boolean wroteTrack = false;
+    boolean wroteSegment = false;
+    boolean isLastLocationValid = false;
+    TrackWriterLocationFactory locationFactory = new TrackWriterLocationFactory();
+    LocationIterator iterator = myTracksProviderUtils.getTrackPointLocationIterator(
+        track.getId(), -1L, false, locationFactory);
+
+    try {
+      int locationNumber = 0;
+      while (iterator.hasNext()) {
+        if (Thread.interrupted()) {
+          throw new InterruptedException();
+        }
+        Location location = iterator.next();
+
+        setLocationTime(location, offset);
+        locationNumber++;
+
+        boolean isLocationValid = LocationUtils.isValidLocation(location);
+        boolean isSegmentValid = isLocationValid && isLastLocationValid;
+        if (!wroteTrack && isSegmentValid) {
+          // Found the first two consecutive locations that are valid
+          trackWriter.writeBeginTrack(track, locationFactory.lastLocation);
+          wroteTrack = true;
+        }
+
+        if (isSegmentValid) {
+          if (!wroteSegment) {
+            // Start a segment
+            trackWriter.writeOpenSegment();
+            wroteSegment = true;
+
+            // Write the previous location, which we had previously skipped
+            trackWriter.writeLocation(locationFactory.lastLocation);
+          }
+
+          // Write the current location
+          trackWriter.writeLocation(location);
+          if (trackExporterListener != null) {
+            trackExporterListener.onProgressUpdate(locationNumber, track.getNumberOfPoints());
+          }
+        } else {
+          if (wroteSegment) {
+            trackWriter.writeCloseSegment();
+            wroteSegment = false;
+          }
+        }
+        locationFactory.swapLocations();
+        isLastLocationValid = isLocationValid;
+      }
+
+      if (wroteSegment) {
+        trackWriter.writeCloseSegment();
+        wroteSegment = false;
+      }
+      if (wroteTrack) {
+        Location lastValidTrackPoint = myTracksProviderUtils.getLastValidTrackPoint(track.getId());
+        setLocationTime(lastValidTrackPoint, offset);
+        trackWriter.writeEndTrack(track, lastValidTrackPoint);
+      } else {
+        // Write an empty track
+        trackWriter.writeBeginTrack(track, null);
+        trackWriter.writeEndTrack(track, null);
+      }
+    } finally {
+      iterator.close();
+    }
+  }
+
+  /**
+   * Sets a location time.
+   * 
+   * @param location the location
+   * @param offset the time offset
+   */
+  private void setLocationTime(Location location, long offset) {
+    if (location != null) {
+      location.setTime(location.getTime() - offset);
+    }
+  }
+
+  /**
+   * Track writer location factory. Keeping the last two locations.
+   * 
+   * @author Jimmy Shih
+   */
+  private class TrackWriterLocationFactory implements MyTracksProviderUtils.LocationFactory {
+    Location currentLocation;
+    Location lastLocation;
+
+    @Override
+    public Location createLocation() {
+      if (currentLocation == null) {
+        currentLocation = new MyTracksLocation("");
+      }
+      return currentLocation;
+    }
+
+    public void swapLocations() {
+      Location tempLocation = lastLocation;
+      lastLocation = currentLocation;
+      currentLocation = tempLocation;
+      if (currentLocation != null) {
+        currentLocation.reset();
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/GpxTrackWriter.java

@@ -0,0 +1,202 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.location.Location;
+
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.text.NumberFormat;
+import java.util.Locale;
+
+/**
+ * Write track as GPX to a file.
+ * 
+ * @author Sandor Dornbush
+ */
+public class GpxTrackWriter implements TrackWriter {
+
+  private static final NumberFormat ELEVATION_FORMAT = NumberFormat.getInstance(Locale.US);
+  private static final NumberFormat COORDINATE_FORMAT = NumberFormat.getInstance(Locale.US);
+  static {
+    /*
+     * GPX readers expect to see fractional numbers with US-style punctuation.
+     * That is, they want periods for decimal points, rather than commas.
+     */
+    ELEVATION_FORMAT.setMaximumFractionDigits(1);
+    ELEVATION_FORMAT.setGroupingUsed(false);
+
+    COORDINATE_FORMAT.setMaximumFractionDigits(6);
+    COORDINATE_FORMAT.setMaximumIntegerDigits(3);
+    COORDINATE_FORMAT.setGroupingUsed(false);
+  }
+
+  private final Context context;
+  private PrintWriter printWriter;
+
+  public GpxTrackWriter(Context context) {
+    this.context = context;
+  }
+
+  @Override
+  public String getExtension() {
+    return TrackFileFormat.GPX.getExtension();
+  }
+
+  @Override
+  public void prepare(OutputStream outputStream) {
+    this.printWriter = new PrintWriter(outputStream);
+  }
+  
+  @Override
+  public void close() {
+    if (printWriter != null) {
+      printWriter.flush();
+      printWriter = null;
+    }
+  }
+
+  @Override
+  public void writeHeader(Track[] tracks) {
+    if (printWriter != null) {
+      printWriter.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+      printWriter.println("<gpx");
+      printWriter.println("version=\"1.1\"");
+      printWriter.println(
+          "creator=\"" + context.getString(R.string.send_google_by_my_tracks, "", "") + "\"");
+      printWriter.println("xmlns=\"http://www.topografix.com/GPX/1/1\"");
+      printWriter.println(
+          "xmlns:topografix=\"http://www.topografix.com/GPX/Private/TopoGrafix/0/1\"");
+      printWriter.println("xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"");
+      printWriter.println("xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1"
+          + " http://www.topografix.com/GPX/1/1/gpx.xsd"
+          + " http://www.topografix.com/GPX/Private/TopoGrafix/0/1"
+          + " http://www.topografix.com/GPX/Private/TopoGrafix/0/1/topografix.xsd\">");
+      printWriter.println("<metadata>");
+      Track track = tracks[0];
+      printWriter.println("<name>" + StringUtils.formatCData(track.getName()) + "</name>");
+      printWriter.println("<desc>" + StringUtils.formatCData(track.getDescription()) + "</desc>");
+      printWriter.println("</metadata>");
+    }
+  }
+
+  @Override
+  public void writeFooter() {
+    if (printWriter != null) {
+      printWriter.println("</gpx>");
+    }
+  }
+
+  @Override
+  public void writeBeginWaypoints(Track track) {
+    // Do nothing
+  }
+
+  @Override
+  public void writeEndWaypoints() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeWaypoint(Waypoint waypoint) {
+    if (printWriter != null) {
+      Location location = waypoint.getLocation();
+      if (location != null) {
+        printWriter.println("<wpt " + formatLocation(location) + ">");
+        if (location.hasAltitude()) {
+          printWriter.println("<ele>" + ELEVATION_FORMAT.format(location.getAltitude()) + "</ele>");
+        }
+        printWriter.println(
+            "<time>" + StringUtils.formatDateTimeIso8601(location.getTime()) + "</time>");
+        printWriter.println("<name>" + StringUtils.formatCData(waypoint.getName()) + "</name>");
+        printWriter.println("<cmt>" + StringUtils.formatCData(waypoint.getType().name()) + "</cmt>");
+        printWriter.println(
+            "<desc>" + StringUtils.formatCData(waypoint.getDescription()) + "</desc>");
+        printWriter.println("<type>" + StringUtils.formatCData(waypoint.getCategory()) + "</type>");
+        printWriter.println("</wpt>");
+      }
+    }
+  }
+
+  @Override
+  public void writeBeginTracks() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeEndTracks() {
+    // Do nothing
+  }
+  
+  @Override
+  public void writeBeginTrack(Track track, Location startLocation) {
+    if (printWriter != null) {
+      printWriter.println("<trk>");
+      printWriter.println("<name>" + StringUtils.formatCData(track.getName()) + "</name>");
+      printWriter.println("<desc>" + StringUtils.formatCData(track.getDescription()) + "</desc>");
+      printWriter.println("<type>" + StringUtils.formatCData(track.getCategory()) + "</type>");
+      printWriter.println("<extensions><topografix:color>c0c0c0</topografix:color></extensions>");
+    }
+  }
+
+  @Override
+  public void writeEndTrack(Track track, Location endLocation) {
+    if (printWriter != null) {
+      printWriter.println("</trk>");
+    }
+  }
+
+  @Override
+  public void writeOpenSegment() {
+    printWriter.println("<trkseg>");
+  }
+
+  @Override
+  public void writeCloseSegment() {
+    printWriter.println("</trkseg>");
+  }
+
+  @Override
+  public void writeLocation(Location location) {
+    if (printWriter != null) {
+      printWriter.println("<trkpt " + formatLocation(location) + ">");
+      if (location.hasAltitude()) {
+        printWriter.println("<ele>" + ELEVATION_FORMAT.format(location.getAltitude()) + "</ele>");
+      }
+      printWriter.println(
+          "<time>" + StringUtils.formatDateTimeIso8601(location.getTime()) + "</time>");
+      printWriter.println("</trkpt>");
+    }
+  }
+
+  /**
+   * Formats a location with latitude and longitude coordinates.
+   * 
+   * @param location the location
+   */
+  private String formatLocation(Location location) {
+    return "lat=\"" + COORDINATE_FORMAT.format(location.getLatitude()) + "\" lon=\""
+        + COORDINATE_FORMAT.format(location.getLongitude()) + "\"";
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/KmlTrackWriter.java

@@ -0,0 +1,493 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import com.google.android.apps.mytracks.content.DescriptionGenerator;
+import com.google.android.apps.mytracks.content.DescriptionGeneratorImpl;
+import com.google.android.apps.mytracks.content.MyTracksLocation;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Sensor;
+import com.google.android.apps.mytracks.content.Sensor.SensorData;
+import com.google.android.apps.mytracks.content.Sensor.SensorDataSet;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.util.GoogleEarthUtils;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.location.Location;
+import android.net.Uri;
+
+import java.io.File;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.util.ArrayList;
+
+/**
+ * Write track as KML to a file.
+ * 
+ * @author Leif Hendrik Wilden
+ */
+public class KmlTrackWriter implements TrackWriter {
+
+  private static final String WAYPOINT_STYLE = "waypoint";
+  private static final String STATISTICS_STYLE = "statistics";
+  private static final String START_STYLE = "start";
+  private static final String END_STYLE = "end";
+  private static final String TRACK_STYLE = "track";
+  private static final String SCHEMA_ID = "schema";
+  private static final String CADENCE = "cadence";
+  private static final String HEART_RATE = "heart_rate";
+  private static final String POWER = "power";
+
+  private static final String
+      WAYPOINT_ICON = "http://maps.google.com/mapfiles/kml/pushpin/blue-pushpin.png";
+  private static final String
+      STATISTICS_ICON = "http://maps.google.com/mapfiles/kml/pushpin/ylw-pushpin.png";
+  private static final String
+      START_ICON = "http://maps.google.com/mapfiles/kml/paddle/grn-circle.png";
+  private static final String
+      END_ICON = "http://maps.google.com/mapfiles/kml/paddle/red-circle.png";
+  private static final String
+      TRACK_ICON = "http://earth.google.com/images/kml-icons/track-directional/track-0.png";
+
+  private final Context context;
+  private final boolean playTrack;
+  private final DescriptionGenerator descriptionGenerator;  
+  private final MyTracksProviderUtils myTracksProviderUtils;
+
+  private PrintWriter printWriter;
+  private ArrayList<Integer> powerList = new ArrayList<Integer>();
+  private ArrayList<Integer> cadenceList = new ArrayList<Integer>();
+  private ArrayList<Integer> heartRateList = new ArrayList<Integer>();
+  private boolean hasPower;
+  private boolean hasCadence;
+  private boolean hasHeartRate;
+
+  public KmlTrackWriter(Context context, boolean playTrack) {
+    this(context, playTrack, new DescriptionGeneratorImpl(context));
+  }
+
+  @VisibleForTesting
+  KmlTrackWriter(Context context, boolean playTrack, DescriptionGenerator descriptionGenerator) {
+    this.context = context;
+    this.playTrack = playTrack;
+    this.descriptionGenerator = descriptionGenerator;
+    this.myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
+  }
+
+  @Override
+  public String getExtension() {
+    return TrackFileFormat.KML.getExtension();
+  }
+
+  @Override
+  public void prepare(OutputStream outputStream) {
+    this.printWriter = new PrintWriter(outputStream);
+  }
+
+  @Override
+  public void close() {
+    if (printWriter != null) {
+      printWriter.flush();
+      printWriter = null;
+    }
+  }
+
+  @Override
+  public void writeHeader(Track[] tracks) {
+    if (printWriter != null) {
+      printWriter.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+      printWriter.println("<kml xmlns=\"http://www.opengis.net/kml/2.2\"");
+      printWriter.println("xmlns:gx=\"http://www.google.com/kml/ext/2.2\"");
+      printWriter.println("xmlns:atom=\"http://www.w3.org/2005/Atom\">");
+      printWriter.println("<Document>");
+      printWriter.println("<open>1</open>");
+      printWriter.println("<visibility>1</visibility>");
+      Track track = tracks[0];
+      printWriter.println("<name>" + StringUtils.formatCData(track.getName()) + "</name>");
+      printWriter.println("<atom:author><atom:name>"
+          + StringUtils.formatCData(context.getString(R.string.send_google_by_my_tracks, "", ""))
+          + "</atom:name></atom:author>");
+      writeTrackStyle();
+      writePlacemarkerStyle(START_STYLE, START_ICON, 32, 1);
+      writePlacemarkerStyle(END_STYLE, END_ICON, 32, 1);
+      writePlacemarkerStyle(STATISTICS_STYLE, STATISTICS_ICON, 20, 2);
+      writePlacemarkerStyle(WAYPOINT_STYLE, WAYPOINT_ICON, 20, 2);
+      printWriter.println("<Schema id=\"" + SCHEMA_ID + "\">");
+      writeSensorStyle(POWER, context.getString(R.string.description_sensor_power));
+      writeSensorStyle(CADENCE, context.getString(R.string.description_sensor_cadence));
+      writeSensorStyle(HEART_RATE, context.getString(R.string.description_sensor_heart_rate));
+      printWriter.println("</Schema>");
+    }
+  }
+
+  @Override
+  public void writeFooter() {
+    if (printWriter != null) {
+      printWriter.println("</Document>");
+      printWriter.println("</kml>");
+    }
+  }
+
+  @Override
+  public void writeBeginWaypoints(Track track) {
+    if (printWriter != null) {
+      printWriter.println("<Folder><name>"
+          + StringUtils.formatCData(context.getString(R.string.track_markers, track.getName()))
+          + "</name>");
+      printWriter.println("<open>1</open>");
+    }
+  }
+
+  @Override
+  public void writeEndWaypoints() {
+    if (printWriter != null) {
+      printWriter.println("</Folder>");
+    }
+  }
+
+  @Override
+  public void writeWaypoint(Waypoint waypoint) {
+    if (printWriter != null) {
+      String styleName = waypoint.getType() == WaypointType.STATISTICS ? STATISTICS_STYLE
+          : WAYPOINT_STYLE;
+      String photoUrl = waypoint.getPhotoUrl();
+      if (photoUrl != null && !photoUrl.equals("")) {
+        float heading = getHeading(waypoint.getTrackId(), waypoint.getLocation());
+        writePhotoOverlay(waypoint.getName(), waypoint.getCategory(), waypoint.getDescription(),
+            styleName, waypoint.getLocation(), photoUrl, heading);
+      } else {
+        writePlacemark(waypoint.getName(), waypoint.getCategory(), waypoint.getDescription(),
+            styleName, waypoint.getLocation());
+      }
+    }
+  }
+
+  @Override
+  public void writeBeginTracks() {
+    if (printWriter != null && playTrack) {
+      printWriter.println("<Folder id=\"" + GoogleEarthUtils.TOUR_FEATURE_ID_VALUE + "\">");
+      printWriter.println("<name>" + context.getString(R.string.generic_tracks) + "</name>");
+      printWriter.println("<open>1</open>");
+    }
+  }
+
+  @Override
+  public void writeEndTracks() {
+    if (printWriter != null && playTrack) {
+      printWriter.println("</Folder>");
+    }
+  }
+  
+  @Override
+  public void writeBeginTrack(Track track, Location startLocation) {
+    if (printWriter != null) {
+      String name = context.getString(R.string.marker_label_start, track.getName());
+      writePlacemark(name, "", "", START_STYLE, startLocation);
+      if (playTrack) {
+        printWriter.println("<Placemark>");
+      } else {
+        printWriter.println("<Placemark id=\"" + GoogleEarthUtils.TOUR_FEATURE_ID_VALUE + "\">");
+      }
+      printWriter.println("<name>" + StringUtils.formatCData(track.getName()) + "</name>");
+      printWriter.println(
+          "<description>" + StringUtils.formatCData(track.getDescription()) + "</description>");
+      printWriter.println("<styleUrl>#" + TRACK_STYLE + "</styleUrl>");
+      writeCategory(track.getCategory());
+      printWriter.println("<gx:MultiTrack>");
+      printWriter.println("<altitudeMode>absolute</altitudeMode>");
+      printWriter.println("<gx:interpolate>1</gx:interpolate>");
+    }
+  }
+
+  @Override
+  public void writeEndTrack(Track track, Location endLocation) {
+    if (printWriter != null) {
+      printWriter.println("</gx:MultiTrack>");
+      printWriter.println("</Placemark>");
+      String name = context.getString(R.string.marker_label_end, track.getName());
+      String description = descriptionGenerator.generateTrackDescription(track, null, null, false);
+      writePlacemark(name, "", description, END_STYLE, endLocation);
+    }
+  }
+
+  @Override
+  public void writeOpenSegment() {
+    if (printWriter != null) {
+      printWriter.println("<gx:Track>");
+      hasPower = false;
+      hasCadence = false;
+      hasHeartRate = false;
+      powerList.clear();
+      cadenceList.clear();
+      heartRateList.clear();
+    }
+  }
+
+  @Override
+  public void writeCloseSegment() {
+    if (printWriter != null) {
+      printWriter.println("<ExtendedData>");
+      printWriter.println("<SchemaData schemaUrl=\"#" + SCHEMA_ID + "\">");
+      if (hasPower) {
+        writeSensorData(powerList, POWER);
+      }
+      if (hasCadence) {
+        writeSensorData(cadenceList, CADENCE);
+      }
+      if (hasHeartRate) {
+        writeSensorData(heartRateList, HEART_RATE);
+      }
+      printWriter.println("</SchemaData>");
+      printWriter.println("</ExtendedData>");
+      printWriter.println("</gx:Track>");
+    }
+  }
+
+  @Override
+  public void writeLocation(Location location) {
+    if (printWriter != null) {
+      printWriter.println(
+          "<when>" + StringUtils.formatDateTimeIso8601(location.getTime()) + "</when>");
+      printWriter.println("<gx:coord>" + getCoordinates(location, " ") + "</gx:coord>");
+      if (location instanceof MyTracksLocation) {
+        SensorDataSet sensorDataSet = ((MyTracksLocation) location).getSensorDataSet();
+        int power = -1;
+        int cadence = -1;
+        int heartRate = -1;
+
+        if (sensorDataSet != null) {
+          if (sensorDataSet.hasPower()) {
+            SensorData sensorData = sensorDataSet.getPower();
+            if (sensorData.hasValue() && sensorData.getState() == Sensor.SensorState.SENDING) {
+              hasPower = true;
+              power = sensorData.getValue();
+            }
+          }
+          if (sensorDataSet.hasCadence()) {
+            SensorData sensorData = sensorDataSet.getCadence();
+            if (sensorData.hasValue() && sensorData.getState() == Sensor.SensorState.SENDING) {
+              hasCadence = true;
+              cadence = sensorData.getValue();
+            }
+          }
+          if (sensorDataSet.hasHeartRate()) {
+            SensorData sensorData = sensorDataSet.getHeartRate();
+            if (sensorData.hasValue() && sensorData.getState() == Sensor.SensorState.SENDING) {
+              hasHeartRate = true;
+              heartRate = sensorData.getValue();
+            }
+          }
+        }
+        powerList.add(power);
+        cadenceList.add(cadence);
+        heartRateList.add(heartRate);
+      }
+    }
+  }
+
+  /**
+   * Writes the sensor data.
+   * 
+   * @param list a list of sensor data
+   * @param name the name of the sensor data
+   */
+  private void writeSensorData(ArrayList<Integer> list, String name) {
+    printWriter.println("<gx:SimpleArrayData name=\"" + name + "\">");
+    for (int i = 0; i < list.size(); i++) {
+      printWriter.println("<gx:value>" + list.get(i) + "</gx:value>");
+    }
+    printWriter.println("</gx:SimpleArrayData>");
+  }
+
+  /**
+   * Writes a placemark.
+   * 
+   * @param name the name
+   * @param category the category
+   * @param description the description
+   * @param styleName the style name
+   * @param location the location
+   */
+  private void writePlacemark(
+      String name, String category, String description, String styleName, Location location) {
+    if (location != null) {
+      printWriter.println("<Placemark>");
+      printWriter.println("<name>" + StringUtils.formatCData(name) + "</name>");
+      printWriter.println(
+          "<description>" + StringUtils.formatCData(description) + "</description>");
+      printWriter.println("<TimeStamp><when>"
+          + StringUtils.formatDateTimeIso8601(location.getTime()) + "</when></TimeStamp>");
+      printWriter.println("<styleUrl>#" + styleName + "</styleUrl>");
+      writeCategory(category);
+      printWriter.println("<Point>");
+      printWriter.println("<coordinates>" + getCoordinates(location, ",") + "</coordinates>");
+      printWriter.println("</Point>");
+      printWriter.println("</Placemark>");
+    }
+  }
+  
+  /**
+   * Writes a photo overlay.
+   * 
+   * @param name the name
+   * @param category the category
+   * @param description the description
+   * @param styleName the style name
+   * @param location the location
+   * @param photoUrl the photo url
+   * @param heading the heading
+   */
+  private void writePhotoOverlay(String name, String category, String description, String styleName,
+      Location location, String photoUrl, float heading) {
+    if (location != null) {
+      printWriter.println("<PhotoOverlay>");
+      printWriter.println("<name>" + StringUtils.formatCData(name) + "</name>");
+      printWriter.println(
+          "<description>" + StringUtils.formatCData(description) + "</description>");
+      printWriter.print("<Camera>");
+      printWriter.print("<longitude>" + location.getLongitude() + "</longitude>");
+      printWriter.print("<latitude>" + location.getLatitude() + "</latitude>");
+      printWriter.print("<altitude>20</altitude>");
+      printWriter.print("<heading>" + heading + "</heading>");
+      printWriter.print("<tilt>90</tilt>");
+      printWriter.println("</Camera>");
+      printWriter.println("<TimeStamp><when>"
+          + StringUtils.formatDateTimeIso8601(location.getTime()) + "</when></TimeStamp>");
+      printWriter.println("<styleUrl>#" + styleName + "</styleUrl>");
+      writeCategory(category);
+      if (playTrack) {
+        printWriter.println("<Icon><href>" + Uri.decode(photoUrl) + "</href></Icon>"); 
+      } else {
+        Uri uri = Uri.parse(photoUrl);
+        printWriter.println("<Icon><href>" + KmzTrackExporter.KMZ_IMAGES_DIR + File.separatorChar
+            + uri.getLastPathSegment() + "</href></Icon>");        
+      }
+      
+      printWriter.print("<ViewVolume>");
+      printWriter.print("<near>10</near>");
+      printWriter.print("<leftFov>-60</leftFov>");
+      printWriter.print("<rightFov>60</rightFov>");
+      printWriter.print("<bottomFov>-45</bottomFov>");
+      printWriter.print("<topFov>45</topFov>");
+      printWriter.println("</ViewVolume>");
+      printWriter.println("<Point>");
+      printWriter.println("<coordinates>" + getCoordinates(location, ",") + "</coordinates>");
+      printWriter.println("</Point>");
+      printWriter.println("</PhotoOverlay>");
+    }
+  }
+
+  /**
+   * Gets the heading to a location.
+   * 
+   * @param trackId the track id containing the location
+   * @param location the location
+   */
+  private float getHeading(long trackId, Location location) {
+    long trackPointId = myTracksProviderUtils.getTrackPointId(trackId, location);
+    if (trackPointId == -1L) {
+      return location.getBearing();
+    }
+    Cursor cursor = null;
+    Location viewLocation;
+    try {
+      cursor = myTracksProviderUtils.getTrackPointCursor(trackId, trackPointId, 10, true);
+      if (cursor == null || cursor.getCount() == 0) {
+        return location.getBearing();
+      }
+      cursor.moveToPosition(cursor.getCount() - 1);
+      viewLocation = myTracksProviderUtils.createTrackPoint(cursor);
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }  
+    return viewLocation.bearingTo(location);
+  }
+  
+  private String getCoordinates(Location location, String separator) {
+    StringBuffer buffer = new StringBuffer();
+    buffer.append(location.getLongitude() + separator + location.getLatitude());
+    if (location.hasAltitude()) {
+      buffer.append(separator + location.getAltitude());
+    }
+    return buffer.toString();    
+  }
+
+  /**
+   * Writes the category.
+   * 
+   * @param category the category
+   */
+  private void writeCategory(String category) {
+    if (category == null || category.equals("")) {
+      return;
+    }
+    printWriter.println("<ExtendedData>");
+    printWriter.println(
+        "<Data name=\"type\"><value>" + StringUtils.formatCData(category) + "</value></Data>");
+    printWriter.println("</ExtendedData>");
+  }
+
+  /**
+   * Writes the track style.
+   */
+  private void writeTrackStyle() {
+    printWriter.println("<Style id=\"" + TRACK_STYLE + "\">");
+    printWriter.println("<LineStyle><color>7f0000ff</color><width>4</width></LineStyle>");
+    printWriter.println("<IconStyle>");
+    printWriter.println("<scale>1.3</scale>");
+    printWriter.println("<Icon><href>" + TRACK_ICON + "</href></Icon>");
+    printWriter.println("</IconStyle>");
+    printWriter.println("</Style>");
+  }
+
+  /**
+   * Writes a placemarker style.
+   * 
+   * @param name the name of the style
+   * @param url the url of the style icon
+   * @param x the x position of the hotspot
+   * @param y the y position of the hotspot
+   */
+  private void writePlacemarkerStyle(String name, String url, int x, int y) {
+    printWriter.println("<Style id=\"" + name + "\"><IconStyle>");
+    printWriter.println("<scale>1.3</scale>");
+    printWriter.println("<Icon><href>" + url + "</href></Icon>");
+    printWriter.println(
+        "<hotSpot x=\"" + x + "\" y=\"" + y + "\" xunits=\"pixels\" yunits=\"pixels\"/>");
+    printWriter.println("</IconStyle></Style>");
+  }
+
+  /**
+   * Writes a sensor style.
+   * 
+   * @param name the name of the sesnor
+   * @param displayName the sensor display name
+   */
+  private void writeSensorStyle(String name, String displayName) {
+    printWriter.println("<gx:SimpleArrayField name=\"" + name + "\" type=\"int\">");
+    printWriter.println("<displayName>" + StringUtils.formatCData(displayName) + "</displayName>");
+    printWriter.println("</gx:SimpleArrayField>");
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/KmzTrackExporter.java

@@ -0,0 +1,156 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+
+import android.database.Cursor;
+import android.net.Uri;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+/**
+ * KMZ track exporter.
+ * 
+ * @author Jimmy Shih
+ */
+public class KmzTrackExporter implements TrackExporter {
+  
+  public static final String KMZ_EXTENSION = "kmz";
+  public static final String KMZ_IMAGES_DIR = "images";
+  public static final String KMZ_KML_FILE = "doc.kml";
+
+  private static final String TAG = KmzTrackExporter.class.getSimpleName();
+  private static final int BUFFER_SIZE = 4096;
+
+  private final MyTracksProviderUtils myTracksProviderUtils;
+  private final FileTrackExporter fileTrackExporter;
+  private final Track[] tracks;
+
+  /**
+   * Constructor.
+   * 
+   * @param myTracksProviderUtils the my tracks provider utils
+   * @param fileTrackExporter the file track exporter
+   * @param tracks the tracks to export
+   */
+  public KmzTrackExporter(MyTracksProviderUtils myTracksProviderUtils,
+      FileTrackExporter fileTrackExporter, Track[] tracks) {
+    this.myTracksProviderUtils = myTracksProviderUtils;
+    this.fileTrackExporter = fileTrackExporter;
+    this.tracks = tracks;
+  }
+
+  @Override
+  public boolean writeTrack(OutputStream outputStream) {
+    ZipOutputStream zipOutputStream = null;
+    try {
+      zipOutputStream = new ZipOutputStream(outputStream);
+
+      // Add kml file
+      ZipEntry zipEntry = new ZipEntry(KMZ_KML_FILE);
+      zipOutputStream.putNextEntry(zipEntry);
+
+      boolean success = fileTrackExporter.writeTrack(zipOutputStream);
+      zipOutputStream.closeEntry();
+      if (!success) {
+        Log.e(TAG, "Unable to write kml in kmz");
+        return false;        
+      }
+
+      // Add photos
+      addImages(zipOutputStream);
+      return true;
+    } catch (InterruptedException e) {
+      Log.e(TAG, "Unable to write track", e);
+      return false;
+    } catch (IOException e) {
+      Log.e(TAG, "Unable to write track", e);
+      return false;
+    } finally {
+      if (zipOutputStream != null) {
+        try {
+          zipOutputStream.close();
+        } catch (IOException e) {
+          Log.e(TAG, "Unable to close zip input stream", e);;
+        }
+      }
+    }
+  }
+
+  private void addImages(ZipOutputStream zipOutputStream) throws InterruptedException, IOException {
+    for (Track track : tracks) {
+      Cursor cursor = null;
+      try {
+        cursor = myTracksProviderUtils.getWaypointCursor(track.getId(), -1L, -1);
+        if (cursor != null && cursor.moveToFirst()) {
+          /*
+           * Yes, this will skip the first waypoint and that is intentional as
+           * the first waypoint holds the stats for the track.
+           */
+          while (cursor.moveToNext()) {
+            if (Thread.interrupted()) {
+              throw new InterruptedException();
+            }
+            Waypoint waypoint = myTracksProviderUtils.createWaypoint(cursor);
+            String photoUrl = waypoint.getPhotoUrl();
+            if (photoUrl != null && !photoUrl.equals("")) {
+              addImage(zipOutputStream, photoUrl);
+            }
+          }
+        }
+      } finally {
+        if (cursor != null) {
+          cursor.close();
+        }
+      }
+    }
+  }
+
+  private void addImage(ZipOutputStream zipOutputStream, String photoUrl) throws IOException {
+    Uri uri = Uri.parse(photoUrl);
+    ZipEntry zipEntry = new ZipEntry(
+        KMZ_IMAGES_DIR + File.separatorChar + uri.getLastPathSegment());
+    zipOutputStream.putNextEntry(zipEntry);
+
+    FileInputStream fileInputStream = null;
+    try {
+      fileInputStream = new FileInputStream(new File(uri.getPath()));
+      byte[] buffer = new byte[BUFFER_SIZE];
+      int byteCount = 0;
+      while ((byteCount = fileInputStream.read(buffer)) != -1) {
+        zipOutputStream.write(buffer, 0, byteCount);
+      }      
+    } catch (FileNotFoundException e) {
+      Log.e(TAG, "Unable to add image", e);
+    } finally {
+      if (fileInputStream != null) {
+        fileInputStream.close();
+      }
+    }
+    zipOutputStream.closeEntry();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/SaveActivity.java

@@ -0,0 +1,229 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.util.DialogUtils;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.apps.mytracks.util.GoogleEarthUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.ProgressDialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+import java.io.File;
+
+/**
+ * An activity for saving tracks to the external storage. If saving a specific
+ * track, option to save it to a temp directory and play the track afterward.
+ * 
+ * @author Rodrigo Damazio
+ */
+public class SaveActivity extends Activity {
+
+  public static final String EXTRA_TRACK_FILE_FORMAT = "track_file_format";
+  public static final String EXTRA_TRACK_IDS = "track_ids";
+  public static final String EXTRA_PLAY_TRACK = "play_track";
+
+  private static final int DIALOG_PROGRESS_ID = 0;
+  private static final int DIALOG_RESULT_ID = 1;
+
+  private TrackFileFormat trackFileFormat;
+  private long[] trackIds;
+  private boolean playTrack;
+  private String directoryDisplayName;
+
+  private SaveAsyncTask saveAsyncTask;
+  private ProgressDialog progressDialog;
+
+  // the number of tracks successfully saved
+  private int successCount;
+
+  // the number of tracks to save
+  private int totalCount;
+
+  // the last successfully saved path
+  private String savedPath;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    Intent intent = getIntent();
+    trackFileFormat = intent.getParcelableExtra(EXTRA_TRACK_FILE_FORMAT);
+    trackIds = intent.getLongArrayExtra(EXTRA_TRACK_IDS);
+    playTrack = intent.getBooleanExtra(EXTRA_PLAY_TRACK, false);
+
+    if (!FileUtils.isExternalStorageWriteable()) {
+      Toast.makeText(this, R.string.external_storage_not_writable, Toast.LENGTH_LONG).show();
+      finish();
+      return;
+    }
+
+    File directory = playTrack ? new File(getCacheDir(), FileUtils.PLAY_TRACKS_DIR)
+        : new File(FileUtils.getPath(trackFileFormat.getExtension()));
+    if (!FileUtils.ensureDirectoryExists(directory)) {
+      Toast.makeText(this, R.string.external_storage_not_writable, Toast.LENGTH_LONG).show();
+      finish();
+      return;
+    }
+
+    if (playTrack) {
+      for (File file : directory.listFiles()) {
+        file.delete();
+      }
+    }
+
+    directoryDisplayName = playTrack ? directory.getName()
+        : FileUtils.getPathDisplayName(trackFileFormat.getExtension());
+
+    Object retained = getLastNonConfigurationInstance();
+    if (retained instanceof SaveAsyncTask) {
+      saveAsyncTask = (SaveAsyncTask) retained;
+      saveAsyncTask.setActivity(this);
+    } else {
+      saveAsyncTask = new SaveAsyncTask(this, trackIds, trackFileFormat, playTrack, directory);
+      saveAsyncTask.execute();
+    }
+  }
+
+  @Override
+  public Object onRetainNonConfigurationInstance() {
+    saveAsyncTask.setActivity(null);
+    return saveAsyncTask;
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    switch (id) {
+      case DIALOG_PROGRESS_ID:
+        progressDialog = DialogUtils.createHorizontalProgressDialog(this,
+            R.string.export_external_storage_progress_message,
+            new DialogInterface.OnCancelListener() {
+                @Override
+              public void onCancel(DialogInterface dialog) {
+                saveAsyncTask.cancel(true);
+                dialog.dismiss();
+              }
+            }, directoryDisplayName);
+        return progressDialog;
+      case DIALOG_RESULT_ID:
+        int iconId;
+        int titleId;
+        String message;
+        String totalTracks = getResources()
+            .getQuantityString(R.plurals.tracks, totalCount, totalCount);
+        if (successCount == totalCount) {
+          if (totalCount == 0) {
+            iconId = android.R.drawable.ic_dialog_info;
+            titleId = R.string.export_external_storage_no_track_title;
+            message = getString(R.string.export_external_storage_no_track);
+          } else {
+            iconId = R.drawable.ic_dialog_success;
+            titleId = R.string.generic_success_title;
+            message = getString(
+                R.string.export_external_storage_success, totalTracks, directoryDisplayName);
+          }
+        } else {
+          iconId = android.R.drawable.ic_dialog_alert;
+          titleId = R.string.generic_error_title;
+          message = getString(R.string.export_external_storage_error, successCount, totalTracks,
+              directoryDisplayName);
+        }
+        AlertDialog.Builder builder = new AlertDialog.Builder(this).setCancelable(true)
+            .setIcon(iconId).setMessage(message)
+            .setOnCancelListener(new DialogInterface.OnCancelListener() {
+                @Override
+              public void onCancel(DialogInterface dialog) {
+                dialog.dismiss();
+                finish();
+              }
+            }).setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+                @Override
+              public void onClick(DialogInterface dialog, int arg1) {
+                dialog.dismiss();
+                finish();
+              }
+            }).setTitle(titleId);
+        if (!playTrack && trackIds.length == 1 && trackIds[0] != -1L && successCount == totalCount
+            && savedPath != null) {
+          builder.setNegativeButton(
+              R.string.share_track_share_file, new DialogInterface.OnClickListener() {
+                  @Override
+                public void onClick(DialogInterface dialog, int which) {
+                  Intent intent = IntentUtils.newShareFileIntent(
+                      SaveActivity.this, trackIds[0], savedPath, trackFileFormat);
+                  startActivity(
+                      Intent.createChooser(intent, getString(R.string.share_track_picker_title)));
+                  finish();
+                }
+              });
+        }
+        return builder.create();
+      default:
+        return null;
+    }
+  }
+
+  /**
+   * Invokes when the associated AsyncTask completes.
+   * 
+   * @param aSuccessCount the number of tracks successfully saved
+   * @param aTotalCount the number of tracks to save
+   * @param aSavedPath the last successfully saved path
+   */
+  public void onAsyncTaskCompleted(int aSuccessCount, int aTotalCount, String aSavedPath) {
+    successCount = aSuccessCount;
+    totalCount = aTotalCount;
+    savedPath = aSavedPath;
+    removeDialog(DIALOG_PROGRESS_ID);
+    if (playTrack && successCount == 1 && totalCount == 1 && savedPath != null) {
+      startActivity(GoogleEarthUtils.getPlayInEarthIntent(savedPath));
+      finish();
+    } else {
+      showDialog(DIALOG_RESULT_ID);
+    }
+  }
+
+  /**
+   * Shows the progress dialog.
+   */
+  public void showProgressDialog() {
+    showDialog(DIALOG_PROGRESS_ID);
+  }
+
+  /**
+   * Sets the progress dialog value.
+   * 
+   * @param number the number of points saved
+   * @param max the maximum number of points
+   */
+  public void setProgressDialogValue(int number, int max) {
+    if (progressDialog != null) {
+      progressDialog.setIndeterminate(false);
+      progressDialog.setMax(max);
+      progressDialog.setProgress(Math.min(number, max));
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/SaveAsyncTask.java

@@ -0,0 +1,266 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.TracksColumns;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.os.AsyncTask;
+import android.os.PowerManager.WakeLock;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/**
+ * Async Task to save tracks to the external storage.
+ * 
+ * @author Jimmy Shih
+ */
+public class SaveAsyncTask extends AsyncTask<Void, Integer, Boolean> {
+
+  private static final String TAG = SaveAsyncTask.class.getSimpleName();
+
+  private SaveActivity saveActivity;
+  private final long[] trackIds;
+  private final TrackFileFormat trackFileFormat;
+  private final boolean playTrack;
+  private final File directory;
+  private final Context context;
+  private final MyTracksProviderUtils myTracksProviderUtils;
+
+  private WakeLock wakeLock;
+  private TrackExporter trackExporter;
+
+  // true if the AsyncTask has completed
+  private boolean completed;
+
+  // the number of tracks successfully saved
+  private int successCount;
+
+  // the number of tracks to save
+  private int totalCount;
+
+  // the last successfully saved path
+  private String savedPath;
+
+  /**
+   * Creates an AsyncTask.
+   * 
+   * @param saveActivity the activity currently associated with this task
+   * @param trackIds the track ids to save. To save all, set to size 1 with
+   *          trackIds[0] == -1L
+   * @param trackFileFormat the track file format
+   * @param playTrack true to play track
+   * @param directory the directory to write the file
+   */
+  public SaveAsyncTask(SaveActivity saveActivity, long[] trackIds, TrackFileFormat trackFileFormat,
+      boolean playTrack, File directory) {
+    this.saveActivity = saveActivity;
+    this.trackIds = trackIds;
+    this.trackFileFormat = trackFileFormat;
+    this.playTrack = playTrack;
+    this.directory = directory;
+    context = saveActivity.getApplicationContext();
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
+
+    completed = false;
+    successCount = 0;
+    totalCount = 0;
+    savedPath = null;
+  }
+
+  /**
+   * Sets the current activity associated with this AyncTask.
+   * 
+   * @param saveActivity the current activity, can be null
+   */
+  public void setActivity(SaveActivity saveActivity) {
+    this.saveActivity = saveActivity;
+    if (completed && saveActivity != null) {
+      saveActivity.onAsyncTaskCompleted(successCount, totalCount, savedPath);
+    }
+  }
+
+  @Override
+  protected void onPreExecute() {
+    if (saveActivity != null) {
+      saveActivity.showProgressDialog();
+    }
+  }
+
+  @Override
+  protected Boolean doInBackground(Void... params) {
+    try {
+      Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
+      boolean isRecording = PreferencesUtils.getLong(saveActivity, R.string.recording_track_id_key)
+          != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+      boolean isPaused = PreferencesUtils.getBoolean(saveActivity,
+          R.string.recording_track_paused_key, PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+      // Get the wake lock if not recording or paused
+      if (!isRecording || isPaused) {
+        wakeLock = SystemUtils.acquireWakeLock(saveActivity, wakeLock);
+      }
+      if (trackIds.length == 1 && trackIds[0] == -1L) {
+        return saveAllTracks();
+      } else {
+        totalCount = 1;
+        Track[] tracks = new Track[trackIds.length];
+        for (int i = 0; i < trackIds.length; i++) {
+          tracks[i] = myTracksProviderUtils.getTrack(trackIds[i]);
+          if (tracks[i] == null) {
+            Log.d(TAG, "No track for " + trackIds[i]);
+            return false;
+          }
+        }
+        if (saveTracks(tracks)) {
+          successCount = 1;
+          return true;
+        } else {
+          return false;
+        }
+      }
+    } finally {
+      if (wakeLock != null && wakeLock.isHeld()) {
+        wakeLock.release();
+      }
+    }
+  }
+
+  @Override
+  protected void onProgressUpdate(Integer... values) {
+    if (saveActivity != null) {
+      saveActivity.setProgressDialogValue(values[0], values[1]);
+    }
+  }
+
+  @Override
+  protected void onPostExecute(Boolean result) {
+    completed = true;
+    if (saveActivity != null) {
+      saveActivity.onAsyncTaskCompleted(successCount, totalCount, savedPath);
+    }
+  }
+
+  @Override
+  protected void onCancelled() {
+    completed = true;
+    if (saveActivity != null) {
+      saveActivity.onAsyncTaskCompleted(successCount, totalCount, null);
+    }
+  }
+
+  /**
+   * Saves tracks to one file.
+   * 
+   * @param tracks the tracks
+   */
+  private Boolean saveTracks(Track[] tracks) {
+    if (tracks.length == 0) {
+      return false;
+    }
+    
+    Track track = tracks[0];
+    boolean useKmz = trackFileFormat == TrackFileFormat.KML && !playTrack;
+    String extension = useKmz ? KmzTrackExporter.KMZ_EXTENSION : trackFileFormat.getExtension();
+    FileTrackExporter fileTrackExporter = new FileTrackExporter(myTracksProviderUtils, tracks,
+        trackFileFormat.newTrackWriter(context, playTrack), new TrackExporterListener() {
+
+            @Override
+          public void onProgressUpdate(int number, int max) {
+            /*
+             * If only saving one track, update the progress dialog once every
+             * 500 points
+             */
+            if (trackIds.length == 1 && trackIds[0] != -1L && number % 500 == 0) {
+              publishProgress(number, max);
+            }
+          }
+        });
+
+    trackExporter = useKmz ? new KmzTrackExporter(myTracksProviderUtils, fileTrackExporter, tracks)
+        : fileTrackExporter;
+
+    String fileName = FileUtils.buildUniqueFileName(directory, track.getName(), extension);
+    File file = new File(directory, fileName);
+    FileOutputStream fileOutputStream = null;
+    try {
+      fileOutputStream = new FileOutputStream(file);
+      if (trackExporter.writeTrack(fileOutputStream)) {
+        savedPath = file.getAbsolutePath();
+        return true;
+      } else {
+        if (!file.delete()) {
+          Log.d(TAG, "Unable to delete file");
+        }
+        Log.e(TAG, "Unable to export track");
+        return false;
+      }
+    } catch (FileNotFoundException e) {
+      Log.e(TAG, "Unable to open file " + file.getName(), e);
+      return false;
+    } finally {
+      if (fileOutputStream != null) {
+        try {
+          fileOutputStream.close();
+        } catch (IOException e) {
+          Log.e(TAG, "Unable to close file output stream", e);
+        }
+      }
+    }
+  }
+
+  /**
+   * Saves all the tracks.
+   */
+  private Boolean saveAllTracks() {
+    Cursor cursor = null;
+    try {
+      cursor = myTracksProviderUtils.getTrackCursor(null, null, TracksColumns._ID);
+      if (cursor == null) {
+        return false;
+      }
+      totalCount = cursor.getCount();
+      for (int i = 0; i < totalCount; i++) {
+        if (isCancelled()) {
+          return false;
+        }
+        cursor.moveToPosition(i);
+        Track track = myTracksProviderUtils.createTrack(cursor);
+        if (track != null && saveTracks(new Track[] { track })) {
+          successCount++;
+        }
+        publishProgress(i + 1, totalCount);
+      }
+      return true;
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/TcxTrackWriter.java

@@ -0,0 +1,340 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import com.google.android.apps.mytracks.content.MyTracksLocation;
+import com.google.android.apps.mytracks.content.Sensor;
+import com.google.android.apps.mytracks.content.Sensor.SensorDataSet;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.location.Location;
+
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.util.Locale;
+
+/**
+ * Write track as TCX to a file. See http://developer.garmin.com/schemas/tcx/v2/
+ * for info on TCX. <br>
+ * The TCX file output is verified by uploading the file to
+ * http://connect.garmin.com/.
+ *
+ * @author Sandor Dornbush
+ * @author Dominik Ršttsches
+ */
+public class TcxTrackWriter implements TrackWriter {
+
+  /**
+   * TCX sport type. See the TCX spec.
+   *
+   * @author Jimmy Shih
+   */
+  private enum SportType {
+    RUNNING("Running"),
+    BIKING("Biking"),
+    OTHER("Other");
+
+    private final String name;
+
+    private SportType(String name) {
+      this.name = name;
+    }
+
+    /**
+     * Gets the name of the sport type
+     */
+    public String getName() {
+      return name;
+    }
+  }
+
+  // My Tracks categories that are considered as TCX biking sport type.
+  private static final int TCX_SPORT_BIKING_IDS[] = {
+      R.string.activity_type_cycling,
+      R.string.activity_type_dirt_bike,
+      R.string.activity_type_mountain_biking,
+      R.string.activity_type_road_biking,
+      R.string.activity_type_track_cycling };
+
+  // My Tracks categories that are considered as TCX running sport type.
+  private static final int TCX_SPORT_RUNNING_IDS[] = {
+      R.string.activity_type_running,
+      R.string.activity_type_speed_walking,
+      R.string.activity_type_street_running,
+      R.string.activity_type_track_running,
+      R.string.activity_type_trail_running,
+      R.string.activity_type_walking };
+
+  private final Context context;
+  private PrintWriter printWriter;
+  private SportType sportType;
+
+  public TcxTrackWriter(Context context) {
+    this.context = context;
+  }
+
+  @Override
+  public void prepare(OutputStream outputStream) {
+    this.printWriter = new PrintWriter(outputStream);
+  }
+  
+  @Override
+  public void close() {
+    if (printWriter != null) {
+      printWriter.flush();
+      printWriter = null;
+    }
+  }
+
+  @Override
+  public String getExtension() {
+    return TrackFileFormat.TCX.getExtension();
+  }
+
+  @Override
+  public void writeHeader(Track[] tracks) {
+    if (printWriter != null) {
+      printWriter.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+      printWriter.println("<TrainingCenterDatabase"
+          + " xmlns=\"http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2\"");
+      printWriter.println("xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"");
+      printWriter.println("xsi:schemaLocation=" 
+          + "\"http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2"
+          + " http://www.garmin.com/xmlschemas/TrainingCenterDatabasev2.xsd\">");
+    }
+  }
+
+  @Override
+  public void writeFooter() {
+    if (printWriter != null) {
+      printWriter.println("<Author xsi:type=\"Application_t\">");
+      printWriter.println("<Name>" 
+          + StringUtils.formatCData(context.getString(R.string.send_google_by_my_tracks, "", "")) 
+          + "</Name>");
+      // <Build>, <LangID>, and <PartNumber> are required by type=Application_t.
+      printWriter.println("<Build>");
+      writeVersion();
+      printWriter.println("</Build>");
+      printWriter.println("<LangID>" + Locale.getDefault().getLanguage() + "</LangID>");
+      printWriter.println("<PartNumber>000-00000-00</PartNumber>");
+      printWriter.println("</Author>");
+      printWriter.println("</TrainingCenterDatabase>");
+    }
+  }
+
+  @Override
+  public void writeBeginWaypoints(Track track) {
+    // Do nothing
+  }
+
+  @Override
+  public void writeEndWaypoints() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeWaypoint(Waypoint waypoint) {
+    // Do nothing
+  }
+
+  @Override
+  public void writeBeginTracks() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeEndTracks() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeBeginTrack(Track track, Location startLocation) {
+    sportType = getSportType(track.getCategory());
+    if (printWriter != null) {
+      String startTime = StringUtils.formatDateTimeIso8601(
+          track.getTripStatistics().getStartTime());
+      long totalTimeInSeconds = track.getTripStatistics().getTotalTime() / 1000;
+
+      printWriter.println("<Activities>");
+      printWriter.println("<Activity Sport=\"" + sportType.getName() + "\">");
+      printWriter.println("<Id>" + startTime + "</Id>");
+      printWriter.println("<Lap StartTime=\"" + startTime + "\">");
+      printWriter.println("<TotalTimeSeconds>" + totalTimeInSeconds + "</TotalTimeSeconds>");
+      printWriter.println("<DistanceMeters>" + track.getTripStatistics().getTotalDistance()
+          + "</DistanceMeters>");
+      // <Calories> is required, just put in 0.
+      printWriter.println("<Calories>0</Calories>");
+      printWriter.println("<Intensity>Active</Intensity>");
+      printWriter.println("<TriggerMethod>Manual</TriggerMethod>");
+    }
+  }
+
+  @Override
+  public void writeEndTrack(Track track, Location endLocation) {
+    if (printWriter != null) {
+      printWriter.println("</Lap>");
+      printWriter.println("<Notes>" + StringUtils.formatCData(track.getDescription()) + "</Notes>");
+      printWriter.println("<Creator xsi:type=\"Device_t\">");
+      printWriter.println("<Name>" 
+          + StringUtils.formatCData(context.getString(R.string.send_google_by_my_tracks, "", "")) 
+          + "</Name>");
+      // <UnitId>, <ProductID>, and <Version> are required for type=Device_t.
+      printWriter.println("<UnitId>0</UnitId>");
+      printWriter.println("<ProductID>0</ProductID>");
+      writeVersion();
+      printWriter.println("</Creator>");
+      printWriter.println("</Activity>");
+      printWriter.println("</Activities>");
+    }
+  }
+
+  @Override
+  public void writeOpenSegment() {
+    if (printWriter != null) {
+      printWriter.println("<Track>");
+    }
+  }
+
+  @Override
+  public void writeCloseSegment() {
+    if (printWriter != null) {
+      printWriter.println("</Track>");
+    }
+  }
+
+  @Override
+  public void writeLocation(Location location) {
+    if (printWriter != null) {
+      printWriter.println("<Trackpoint>");
+      printWriter.println("<Time>" + StringUtils.formatDateTimeIso8601(location.getTime()) + "</Time>");
+      printWriter.println("<Position>");
+      printWriter.println("<LatitudeDegrees>" + location.getLatitude() + "</LatitudeDegrees>");
+      printWriter.println("<LongitudeDegrees>" + location.getLongitude() + "</LongitudeDegrees>");
+      printWriter.println("</Position>");
+      if (location.hasAltitude()) {
+        printWriter.println("<AltitudeMeters>" + location.getAltitude() + "</AltitudeMeters>");
+      }
+
+      if (location instanceof MyTracksLocation) {
+        SensorDataSet sensorDataSet = ((MyTracksLocation) location).getSensorDataSet();
+        if (sensorDataSet != null) {
+          boolean heartRateAvailable = sensorDataSet.hasHeartRate()
+              && sensorDataSet.getHeartRate().hasValue()
+              && sensorDataSet.getHeartRate().getState() == Sensor.SensorState.SENDING;
+          boolean cadenceAvailable = sensorDataSet.hasCadence()
+            && sensorDataSet.getCadence().hasValue()
+            && sensorDataSet.getCadence().getState() == Sensor.SensorState.SENDING;
+          boolean powerAvailable = sensorDataSet.hasPower() 
+            && sensorDataSet.getPower().hasValue()
+            && sensorDataSet.getPower().getState() == Sensor.SensorState.SENDING;
+          
+          if (heartRateAvailable) {
+            printWriter.println("<HeartRateBpm>");
+            printWriter.println("<Value>" + sensorDataSet.getHeartRate().getValue() + "</Value>");
+            printWriter.println("</HeartRateBpm>");
+          }
+
+          // <Cadence> needs to be put before <Extensions>.
+          // According to the TCX spec, <Cadence> is only for the biking sport
+          // type. For others, use <RunCadence> in <Extensions>.
+          if (cadenceAvailable && sportType == SportType.BIKING) {
+            // The spec requires the max value be 254.
+            printWriter.println(
+                "<Cadence>" + Math.min(254, sensorDataSet.getCadence().getValue()) + "</Cadence>");
+          }
+
+          if ((cadenceAvailable && sportType != SportType.BIKING) || powerAvailable) {
+            printWriter.println("<Extensions>");
+            printWriter.println(
+                "<TPX xmlns=\"http://www.garmin.com/xmlschemas/ActivityExtension/v2\">");
+
+            // <RunCadence> needs to be put before <Watts>.
+            if (cadenceAvailable && sportType != SportType.BIKING) {
+              // The spec requires the max value to be 254.
+              printWriter.println("<RunCadence>"
+                  + Math.min(254, sensorDataSet.getCadence().getValue()) + "</RunCadence>");
+            }
+
+            if (powerAvailable) {
+              printWriter.println("<Watts>" + sensorDataSet.getPower().getValue() + "</Watts>");
+            }
+            printWriter.println("</TPX>");
+            printWriter.println("</Extensions>");
+          }
+        }
+      }
+      printWriter.println("</Trackpoint>");
+    }
+  }
+
+  /**
+   * Writes the TCX Version.
+   */
+  private void writeVersion() {
+    // Split the My Tracks version code into VersionMajor, VersionMinor, and,
+    // BuildMajor to fit the integer type requirement for these fields in the
+    // TCX spec.
+    String[] versionComponents = SystemUtils.getMyTracksVersion(context).split("\\.");
+    int versionMajor = versionComponents.length > 0 ? Integer.valueOf(versionComponents[0]) : 0;
+    int versionMinor = versionComponents.length > 1 ? Integer.valueOf(versionComponents[1]) : 0;
+    int buildMajor = versionComponents.length > 2 ? Integer.valueOf(versionComponents[2]) : 0;
+
+    printWriter.println("<Version>");
+    printWriter.println("<VersionMajor>" + versionMajor + "</VersionMajor>");
+    printWriter.println("<VersionMinor>" + versionMinor + "</VersionMinor>");
+    // According to TCX spec, these are optional. But http://connect.garmin.com
+    // requires them.
+    printWriter.println("<BuildMajor>" + buildMajor + "</BuildMajor>");
+    printWriter.println("<BuildMinor>0</BuildMinor>");
+    printWriter.println("</Version>");
+  }
+
+  /**
+   * Gets the sport type from the category.
+   *
+   * @param category the category
+   */
+  private SportType getSportType(String category) {
+    category = category.trim();
+
+    // For tracks with localized category.
+    for (int i : TCX_SPORT_RUNNING_IDS) {
+      if (category.equalsIgnoreCase(context.getString(i))) {
+        return SportType.RUNNING;
+      }
+    }
+    for (int i : TCX_SPORT_BIKING_IDS) {
+      if (category.equalsIgnoreCase(context.getString(i))) {
+        return SportType.BIKING;
+      }
+    }
+
+    // For tracks without localized category.
+    if (category.equalsIgnoreCase(SportType.RUNNING.getName())) {
+      return SportType.RUNNING;
+    } else if (category.equalsIgnoreCase(SportType.BIKING.getName())) {
+      return SportType.BIKING;
+    } else {
+      return SportType.OTHER;
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/TrackExporter.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import java.io.OutputStream;
+
+/**
+ * Track exporting for exporting track to an {@link OutputStream}.
+ * 
+ * @author Jimmy Shih
+ */
+public interface TrackExporter {
+ 
+  /**
+   * Write track to an output stream
+   * 
+   * @param outputStream the output stream
+   */
+  boolean writeTrack(OutputStream outputStream);
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/TrackExporterListener.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.file.exporter;
+
+/**
+ * Listener for {@link TrackExporter} progress.
+ * 
+ * @author Jimmy Shih
+ */
+public interface TrackExporterListener {
+
+  /**
+   * Called to update progress.
+   * 
+   * @param number the number of locations written
+   * @param max the maximum number of locations in a track, for calculation of
+   *          completion percentage
+   */
+  public void onProgressUpdate(int number, int max);
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/TrackWriter.java

@@ -0,0 +1,144 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.file.exporter;
+
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+
+import android.location.Location;
+
+import java.io.OutputStream;
+
+/**
+ * Interface for writing tracks to a file. The expected sequence of calls is:
+ * 
+ * <pre>
+ * {@link #prepare(OutputStream)}
+ * {@link #writeHeader(Track[])}
+ * For each track:
+ *     {@link #writeBeginWaypoints(Track)}
+ *     For each waypoint:
+ *         {@link #writeWaypoint(Waypoint)}
+ *     {@link #writeEndWaypoints()}
+ * {@link #writeBeginTracks()}
+ * For each track:
+ *     {@link #writeBeginTrack(Track, Location)}
+ *     For each segment:
+ *         {@link #writeOpenSegment()}
+ *         For each location in the segment:
+ *             {@link #writeLocation(Location)}
+ *         {@link #writeCloseSegment()}
+ *     {@link #writeEndTrack(Track, Location)}
+ * {@link #writeEndTracks()}
+ * {@link #writeFooter()}
+ * {@link #close()}
+ * </pre>
+ * 
+ * @author Rodrigo Damazio
+ */
+public interface TrackWriter {
+
+  /**
+   * Gets the file extension (e.g, gpx, kml, ...).
+   */
+  public String getExtension();
+
+  /**
+   * Prepares the output stream.
+   * 
+   * @param outputStream the output stream
+   */
+  public void prepare(OutputStream outputStream);
+
+  /**
+   * Closes the output stream.
+   */
+  public void close();
+
+  /**
+   * Writes the header
+   * 
+   * @param tracks the tracks
+   */
+  public void writeHeader(Track[] tracks);
+
+  /**
+   * Writes the footer.
+   */
+  public void writeFooter();
+
+  /**
+   * Writes the beginning of the waypoints.
+   * 
+   * @param track the track
+   */
+  public void writeBeginWaypoints(Track track);
+
+  /**
+   * Writes the end of the waypoints.
+   */
+  public void writeEndWaypoints();
+
+  /**
+   * Writes a waypoint.
+   * 
+   * @param waypoint the waypoint
+   */
+  public void writeWaypoint(Waypoint waypoint);
+
+  /**
+   * Writes the beginning of the tracks.
+   */
+  public void writeBeginTracks();
+
+  /**
+   * Writes the end of the tracks,
+   */
+  public void writeEndTracks();
+
+  /**
+   * Writes the beginning of a track.
+   * 
+   * @param track the track
+   * @param startLocation the start location
+   */
+  public void writeBeginTrack(Track track, Location startLocation);
+
+  /**
+   * Writes the end of a track.
+   * 
+   * @param track the track
+   * @param endLocation the end location
+   */
+  public void writeEndTrack(Track track, Location endLocation);
+
+  /**
+   * Writes open segment.
+   */
+  public void writeOpenSegment();
+
+  /**
+   * Writes close segment.
+   */
+  public void writeCloseSegment();
+
+  /**
+   * Writes a location.
+   * 
+   * @param location the location
+   */
+  public void writeLocation(Location location);
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/importer/AbstractFileTrackImporter.java

@@ -0,0 +1,611 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.importer;
+
+import com.google.android.apps.mytracks.content.DescriptionGeneratorImpl;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.android.apps.mytracks.services.TrackRecordingService;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.stats.TripStatisticsUpdater;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.apps.mytracks.util.TrackIconUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.location.Location;
+import android.location.LocationManager;
+import android.net.Uri;
+import android.util.Log;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+
+import org.xml.sax.Locator;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+/**
+ * Abstract class for various file track importers like {@link GpxFileTrackImporter} and
+ * {@link KmlFileTrackImporter}.
+ * 
+ * @author Jimmy Shih
+ */
+abstract class AbstractFileTrackImporter extends DefaultHandler implements TrackImporter {
+
+  /**
+   * Data for the current track.
+   * 
+   * @author Jimmy Shih
+   */
+  private class TrackData {
+
+    // The current track
+    Track track = new Track();
+
+    // The number of segments processed for the current track
+    int numberOfSegments = 0;
+
+    /*
+     * The last location in the current segment. Null if the current segment
+     * doesn't have a last location.
+     */
+    Location lastLocationInCurrentSegment;
+
+    // The number of locations processed for the current track
+    int numberOfLocations = 0;
+
+    // The trip statistics updater for the current track
+    TripStatisticsUpdater tripStatisticsUpdater;
+
+    // The import time of the track.
+    long importTime = System.currentTimeMillis();
+
+    // The buffered locations
+    Location[] bufferedLocations = new Location[MAX_BUFFERED_LOCATIONS];
+
+    // The number of buffered locations
+    int numBufferedLocations = 0;
+  }
+
+  private static final String TAG = AbstractFileTrackImporter.class.getSimpleName();
+  
+  // The maximum number of buffered locations for bulk-insertion
+  private static final int MAX_BUFFERED_LOCATIONS = 512;
+
+  private final Context context;
+  private final long importTrackId;
+  private final MyTracksProviderUtils myTracksProviderUtils;
+  private final int recordingDistanceInterval;
+  private final List<Long> trackIds;
+  private final List<Waypoint> waypoints;
+
+  // The current track data
+  private TrackData trackData;
+
+  // The SAX locator to get the current line information
+  private Locator locator;
+
+  // The current element content
+  protected String content;
+
+  protected String name;
+  protected String description;
+  protected String category;
+  protected String latitude;
+  protected String longitude;
+  protected String altitude;
+  protected String time;
+  protected String waypointType;
+  protected String photoUrl;
+
+  /**
+   * Constructor.
+   * 
+   * @param context the context
+   * @param importTrackId the track id to import to. -1L to import to a new
+   *          track.
+   */
+  AbstractFileTrackImporter(
+      Context context, long importTrackId, MyTracksProviderUtils myTracksProviderUtils) {
+    this.context = context;
+    this.importTrackId = importTrackId;
+    this.myTracksProviderUtils = myTracksProviderUtils;
+    this.recordingDistanceInterval = PreferencesUtils.getInt(context,
+        R.string.recording_distance_interval_key,
+        PreferencesUtils.RECORDING_DISTANCE_INTERVAL_DEFAULT);
+    trackIds = new ArrayList<Long>();
+    waypoints = new ArrayList<Waypoint>();
+  }
+
+  @Override
+  public void setDocumentLocator(Locator locator) {
+    this.locator = locator;
+  }
+
+  @Override
+  public void characters(char[] ch, int start, int length) throws SAXException {
+    String newContent = new String(ch, start, length);
+    if (content == null) {
+      content = newContent;
+    } else {
+      /*
+       * In 99% of the cases, a single call to this method will be made for each
+       * sequence of characters we're interested in, so we'll rarely be
+       * concatenating strings, thus not justifying the use of a StringBuilder.
+       */
+      content += newContent;
+    }
+  }
+
+  @Override
+  public long importFile(InputStream inputStream) {
+    try {
+      SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
+      long start = System.currentTimeMillis();
+
+      saxParser.parse(inputStream, this);
+      Log.d(TAG, "Total import time: " + (System.currentTimeMillis() - start) + "ms");
+      if (trackIds.size() != 1) {
+        Log.d(TAG, trackIds.size() + " tracks imported");
+        cleanImport();
+        return -1L;
+      }
+      return trackIds.get(0);
+    } catch (IOException e) {
+      Log.e(TAG, "Unable to import file", e);
+      cleanImport();
+      return -1L;
+    } catch (ParserConfigurationException e) {
+      Log.e(TAG, "Unable to import file", e);
+      cleanImport();
+      return -1L;
+    } catch (SAXException e) {
+      Log.e(TAG, "Unable to import file", e);
+      cleanImport();
+      return -1L;
+    }
+  }
+
+  /**
+   * On file end.
+   */
+  protected void onFileEnd() {
+    // Add waypoints to the last imported track
+    int size = trackIds.size();
+    if (size == 0) {
+      return;
+    }
+    long trackId = trackIds.get(size - 1);
+    Track track = myTracksProviderUtils.getTrack(trackId);
+    if (track == null) {
+      return;
+    }
+    Cursor trackPointCursor = null;
+    try {
+      trackPointCursor = myTracksProviderUtils.getTrackPointCursor(track.getId(), -1L, -1, false);
+      if (trackPointCursor == null) {
+        return;
+      }
+      int waypointPosition = -1;
+      Waypoint waypoint = null;
+      int trackPointPosition = -1;
+      Location trackPoint = null;
+      TripStatisticsUpdater trackTripStatisticstrackUpdater = new TripStatisticsUpdater(
+          track.getTripStatistics().getStartTime());
+      TripStatisticsUpdater markerTripStatisticsUpdater = new TripStatisticsUpdater(
+          track.getTripStatistics().getStartTime());
+
+      while (true) {
+        if (waypoint == null) {
+          waypointPosition++;
+          waypoint = waypointPosition < waypoints.size() ? waypoints.get(waypointPosition) : null;
+          if (waypoint == null) {
+            // No more waypoints
+            return;
+          }
+        }
+        if (trackPoint == null) {
+          trackPointPosition++;
+          trackPoint = trackPointCursor.moveToPosition(trackPointPosition) ? myTracksProviderUtils
+              .createTrackPoint(trackPointCursor)
+              : null;
+          if (trackPoint == null) {
+            // No more track points. Ignore the rest of the waypoints.
+            return;
+          }
+          trackTripStatisticstrackUpdater.addLocation(trackPoint, recordingDistanceInterval,
+              context);
+          markerTripStatisticsUpdater.addLocation(trackPoint, recordingDistanceInterval, context);
+        }
+        if (waypoint.getLocation().getTime() > trackPoint.getTime()) {
+          trackPoint = null;
+        } else if (waypoint.getLocation().getTime() < trackPoint.getTime()) {
+          waypoint = null;
+        } else {
+          // The waypoint location time matches the track point time
+          if (trackPoint.getLatitude() == waypoint.getLocation().getLatitude()
+              && trackPoint.getLongitude() == waypoint.getLocation().getLongitude()) {
+
+            // Get tripStatistics, description, and icon
+            TripStatistics tripStatistics;
+            String waypointDescription;
+            String icon;
+            if (waypoint.getType() == WaypointType.STATISTICS) {
+              tripStatistics = markerTripStatisticsUpdater.getTripStatistics();
+              markerTripStatisticsUpdater = new TripStatisticsUpdater(trackPoint.getTime());
+              waypointDescription = new DescriptionGeneratorImpl(context)
+                  .generateWaypointDescription(tripStatistics);
+              icon = context.getString(R.string.marker_statistics_icon_url);
+            } else {
+              tripStatistics = null;
+              waypointDescription = waypoint.getDescription();
+              icon = context.getString(R.string.marker_waypoint_icon_url);
+            }
+
+            // Get length and duration
+            double length = trackTripStatisticstrackUpdater.getTripStatistics().getTotalDistance();
+            long duration = trackTripStatisticstrackUpdater.getTripStatistics().getTotalTime();
+
+            // Insert waypoint
+            Waypoint newWaypoint = new Waypoint(waypoint.getName(), waypointDescription,
+                waypoint.getCategory(), icon, track.getId(), waypoint.getType(), length, duration,
+                -1L, -1L, trackPoint, tripStatistics, waypoint.getPhotoUrl());
+            myTracksProviderUtils.insertWaypoint(newWaypoint);
+          }
+          waypoint = null;
+        }
+      }
+    } finally {
+      if (trackPointCursor != null) {
+        trackPointCursor.close();
+      }
+    }
+  }
+
+  /**
+   * On track start.
+   */
+  protected void onTrackStart() throws SAXException {
+    trackData = new TrackData();
+    long trackId;
+    if (importTrackId == -1L) {
+      Uri uri = myTracksProviderUtils.insertTrack(trackData.track);
+      trackId = Long.parseLong(uri.getLastPathSegment());
+    } else {
+      if (trackIds.size() > 0) {
+        throw new SAXException(createErrorMessage(
+            "Cannot import more than one track to an existing track " + importTrackId));
+      }
+      trackId = importTrackId;
+      myTracksProviderUtils.clearTrack(trackId);
+    }
+    trackIds.add(trackId);
+    trackData.track.setId(trackId);
+  }
+
+  /**
+   * On track end.
+   */
+  protected void onTrackEnd() {
+    flushLocations(trackData);
+    if (name != null) {
+      trackData.track.setName(name);
+    }
+    if (description != null) {
+      trackData.track.setDescription(description);
+    }
+    if (category != null) {
+      trackData.track.setCategory(category);
+      trackData.track.setIcon(TrackIconUtils.getIconValue(context, category));
+    }
+    if (trackData.tripStatisticsUpdater == null) {
+      trackData.tripStatisticsUpdater = new TripStatisticsUpdater(trackData.importTime);
+      trackData.tripStatisticsUpdater.updateTime(trackData.importTime);
+    }
+    trackData.track.setTripStatistics(trackData.tripStatisticsUpdater.getTripStatistics());
+    trackData.track.setNumberOfPoints(trackData.numberOfLocations);
+    myTracksProviderUtils.updateTrack(trackData.track);
+    insertFirstWaypoint(trackData.track);
+  }
+
+  /**
+   * On track segment start.
+   */
+  protected void onTrackSegmentStart() {
+    trackData.numberOfSegments++;
+
+    /*
+     * If not the first segment, add a pause separator if there is at least one
+     * location in the last segment.
+     */
+    if (trackData.numberOfSegments > 1 && trackData.lastLocationInCurrentSegment != null) {
+      insertLocation(createLocation(TrackRecordingService.PAUSE_LATITUDE, 0.0, 0.0,
+          trackData.lastLocationInCurrentSegment.getTime()));
+    }
+    trackData.lastLocationInCurrentSegment = null;
+  }
+
+  /**
+   * Adds a waypoint.
+   * 
+   * @param type the waypoint type
+   */
+  protected void addWaypoint(WaypointType type) throws SAXException {
+    // Waypoint must have a time, else cannot match to the track points
+    if (time == null) {
+      return;
+    }
+
+    Waypoint waypoint = new Waypoint();
+    Location location = createLocation();
+
+    if (!LocationUtils.isValidLocation(location)) {
+      throw new SAXException(createErrorMessage("Invalid location detected: " + location));
+    }
+    waypoint.setLocation(location);
+
+    if (name != null) {
+      waypoint.setName(name);
+    }
+    if (description != null) {
+      waypoint.setDescription(description);
+    }
+    if (category != null) {
+      waypoint.setCategory(category);
+    }
+    waypoint.setType(type);
+    
+    if (photoUrl != null) {
+      waypoint.setPhotoUrl(photoUrl);
+    }
+    waypoints.add(waypoint);
+  }
+
+  /**
+   * Gets a track point.
+   */
+  protected Location getTrackPoint() throws SAXException {
+    Location location = createLocation();
+
+    // Calculate derived attributes from the previous point
+    if (trackData.lastLocationInCurrentSegment != null
+        && trackData.lastLocationInCurrentSegment.getTime() != 0) {
+      long timeDifference = location.getTime() - trackData.lastLocationInCurrentSegment.getTime();
+
+      // Check for negative time change
+      if (timeDifference <= 0) {
+        Log.w(TAG, "Time difference not postive.");
+      } else {
+
+        /*
+         * We don't have a speed and bearing in GPX, make something up from the
+         * last two points. GPS points tend to have some inherent imprecision,
+         * speed and bearing will likely be off, so the statistics for things
+         * like max speed will also be off.
+         */
+        float speed = trackData.lastLocationInCurrentSegment.distanceTo(location) * 1000.0f
+            / timeDifference;
+        location.setSpeed(speed);
+      }
+      location.setBearing(trackData.lastLocationInCurrentSegment.bearingTo(location));
+    }
+
+    if (!LocationUtils.isValidLocation(location)) {
+      throw new SAXException(createErrorMessage("Invalid location detected: " + location));
+    }
+
+    if (trackData.numberOfSegments > 1 && trackData.lastLocationInCurrentSegment == null) {
+      /*
+       * If not the first segment, add a resume separator before adding the
+       * first location.
+       */
+      insertLocation(
+          createLocation(TrackRecordingService.RESUME_LATITUDE, 0.0, 0.0, location.getTime()));
+    }
+    trackData.lastLocationInCurrentSegment = location;
+    return location;
+  }
+
+  /**
+   * Inserts a track point.
+   * 
+   * @param location the location
+   */
+  protected void insertTrackPoint(Location location) {
+    insertLocation(location);
+
+    if (trackData.track.getStartId() == -1L) {
+      // Flush the location to set the track start id and the track end id
+      flushLocations(trackData);
+    }
+  }
+
+  /**
+   * Creates an error message.
+   * 
+   * @param message the message
+   */
+  protected String createErrorMessage(String message) {
+    return String.format(Locale.US, "Parsing error at line: %d column: %d. %s",
+        locator.getLineNumber(), locator.getColumnNumber(), message);
+  }
+
+  /**
+   * Gets the photo url for a file.
+   * 
+   * @param fileName the file name
+   */
+  protected String getPhotoUrl(String fileName) {
+    if (importTrackId == -1L) {
+      return null;
+    }
+    return FileUtils.getPath(
+        FileUtils.PICTURES_DIR, Long.toString(importTrackId), fileName);
+  }
+
+  /**
+   * Creates a location.
+   */
+  private Location createLocation() throws SAXException {
+    if (latitude == null || longitude == null) {
+      return null;
+    }
+    double latitudeValue;
+    double longitudeValue;
+    try {
+      latitudeValue = Double.parseDouble(latitude);
+      longitudeValue = Double.parseDouble(longitude);
+    } catch (NumberFormatException e) {
+      throw new SAXException(createErrorMessage(
+          String.format("Unable to parse latitude longitude: %s %s", latitude, longitude)), e);
+    }
+    Double altitudeValue = null;
+    if (altitude != null) {
+      try {
+        altitudeValue = Double.parseDouble(altitude);
+      } catch (NumberFormatException e) {
+        throw new SAXException(
+            createErrorMessage(String.format("Unable to parse altitude: %s", altitude)), e);
+      }
+    }
+    
+    long timeValue;
+    if (time == null) {
+      timeValue = trackData.importTime;
+    } else {
+      try {
+        timeValue = StringUtils.getTime(time);
+      } catch (IllegalArgumentException e) {
+        throw new SAXException(
+            createErrorMessage(String.format("Unable to parse time: %s", time)), e);
+      }
+    }
+    return createLocation(latitudeValue, longitudeValue, altitudeValue, timeValue);
+  }
+
+  /**
+   * Creates a location.
+   * 
+   * @param latitudeValue the latitude value
+   * @param longitudeValue the longitude value
+   * @param altitudeValue the altitude value
+   * @param timeValue the time value
+   */
+  private Location createLocation(
+      double latitudeValue, double longitudeValue, Double altitudeValue, long timeValue) {
+    Location location = new Location(LocationManager.GPS_PROVIDER);
+    location.setLatitude(latitudeValue);
+    location.setLongitude(longitudeValue);
+    if (altitudeValue != null) {
+      location.setAltitude(altitudeValue);      
+    } else {
+      location.removeAltitude();
+    }
+    location.setTime(timeValue);
+    location.removeAccuracy();
+    location.removeBearing();
+    location.removeSpeed();
+    return location;
+  }
+
+  /**
+   * Inserts a location.
+   * 
+   * @param location the location
+   */
+  private void insertLocation(Location location) {
+    if (trackData.tripStatisticsUpdater == null) {
+      trackData.tripStatisticsUpdater = new TripStatisticsUpdater(
+          location.getTime() != -1L ? location.getTime() : trackData.importTime);
+    }
+    trackData.tripStatisticsUpdater.addLocation(location, recordingDistanceInterval, context);
+
+    trackData.bufferedLocations[trackData.numBufferedLocations] = location;
+    trackData.numBufferedLocations++;
+    trackData.numberOfLocations++;
+
+    if (trackData.numBufferedLocations >= MAX_BUFFERED_LOCATIONS) {
+      flushLocations(trackData);
+    }
+  }
+
+  /**
+   * Flushes the locations to the database.
+   * 
+   * @param data the track data
+   */
+  private void flushLocations(TrackData data) {
+    if (data.numBufferedLocations <= 0) {
+      return;
+    }
+    myTracksProviderUtils.bulkInsertTrackPoint(
+        data.bufferedLocations, data.numBufferedLocations, data.track.getId());
+    data.numBufferedLocations = 0;
+    if (data.track.getStartId() == -1L) {
+      data.track.setStartId(myTracksProviderUtils.getFirstTrackPointId(data.track.getId()));
+    }
+    data.track.setStopId(myTracksProviderUtils.getLastTrackPointId(data.track.getId()));
+  }
+
+  /**
+   * Inserts the first waypoint, the track statistics waypoint.
+   * 
+   * @param track the track
+   */
+  private void insertFirstWaypoint(Track track) {
+    String waypointName = context.getString(R.string.marker_split_name_format, 0);
+    String waypointCategory = "";
+    TripStatisticsUpdater updater = new TripStatisticsUpdater(
+        track.getTripStatistics().getStartTime());
+    TripStatistics tripStatistics = updater.getTripStatistics();
+    String waypointDescription = new DescriptionGeneratorImpl(context).generateWaypointDescription(
+        tripStatistics);
+    String icon = context.getString(R.string.marker_statistics_icon_url);
+    double length = 0.0;
+    long duration = 0L;
+    Location waypointLocation = new Location("");
+    waypointLocation.setLatitude(100);
+    waypointLocation.setLongitude(180);
+    Waypoint waypoint = new Waypoint(waypointName, waypointDescription, waypointCategory, icon,
+        track.getId(), WaypointType.STATISTICS, length, duration, -1L, -1L, waypointLocation,
+        tripStatistics, "");
+    myTracksProviderUtils.insertWaypoint(waypoint);
+  }
+
+  /**
+   * Cleans up import.
+   */
+  private void cleanImport() {
+    for (long trackId : trackIds) {
+      myTracksProviderUtils.deleteTrack(trackId);
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/importer/GpxFileTrackImporter.java

@@ -0,0 +1,173 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.importer;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.content.Context;
+import android.location.Location;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+
+/**
+ * Imports a GPX file.
+ * 
+ * @author Jimmy Shih
+ */
+public class GpxFileTrackImporter extends AbstractFileTrackImporter {
+
+  private static final String TAG_DESCRIPTION = "desc";
+  private static final String TAG_COMMENT = "cmt";
+  private static final String TAG_ELEVATION = "ele";
+  private static final String TAG_GPX = "gpx";
+  private static final String TAG_NAME = "name";
+  private static final String TAG_TIME = "time";
+  private static final String TAG_TRACK = "trk";
+  private static final String TAG_TRACK_POINT = "trkpt";
+  private static final String TAG_TRACK_SEGMENT = "trkseg";
+  private static final String TAG_TYPE = "type";
+  private static final String TAG_WAYPOINT = "wpt";
+
+  private static final String ATTRIBUTE_LAT = "lat";
+  private static final String ATTRIBUTE_LON = "lon";
+  
+  /**
+   * Constructor.
+   * 
+   * @param context the context
+   */
+  public GpxFileTrackImporter(Context context) {
+    this(context, MyTracksProviderUtils.Factory.get(context));
+  }
+
+  @VisibleForTesting
+  GpxFileTrackImporter(Context context, MyTracksProviderUtils myTracksProviderUtils) {
+    super(context, -1L, myTracksProviderUtils);
+  }
+
+  @Override
+  public void startElement(String uri, String localName, String tag, Attributes attributes)
+      throws SAXException {
+    if (tag.equals(TAG_WAYPOINT)) {
+      onWaypointStart(attributes);
+    } else if (tag.equals(TAG_TRACK)) {
+      onTrackStart();
+    } else if (tag.equals(TAG_TRACK_SEGMENT)) {
+      onTrackSegmentStart();
+    } else if (tag.equals(TAG_TRACK_POINT)) {
+      onTrackPointStart(attributes);
+    }
+  }
+
+  @Override
+  public void endElement(String uri, String localName, String tag) throws SAXException {
+    if (tag.equals(TAG_GPX)) {
+      onFileEnd();
+    } else if (tag.equals(TAG_WAYPOINT)) {
+      onWaypointEnd();
+    } else if (tag.equals(TAG_TRACK)) {
+      onTrackEnd();
+    } else if (tag.equals(TAG_TRACK_POINT)) {
+      onTrackPointEnd();
+    } else if (tag.equals(TAG_NAME)) {
+      if (content != null) {
+        name = content.trim();
+      }
+    } else if (tag.equals(TAG_DESCRIPTION)) {
+      if (content != null) {
+        description = content.trim();
+      }
+    } else if (tag.equals(TAG_TYPE)) {
+      if (content != null) {
+        category = content.trim();
+      }
+    } else if (tag.equals(TAG_TIME)) {
+      if (content != null) {
+        time = content.trim();
+      }
+    } else if (tag.equals(TAG_ELEVATION)) {
+      if (content != null) {
+        altitude = content.trim();
+      }
+    } else if (tag.equals(TAG_COMMENT)) {
+      if (content != null) {
+        waypointType = content.trim();
+      }
+    }
+
+    // Reset element content
+    content = null;
+  }
+
+  @Override
+  protected void onTrackStart() throws SAXException {
+    super.onTrackStart();
+    name = null;
+    description = null;
+    category = null;
+  }
+
+  /**
+   * On track point start.
+   * 
+   * @param attributes the attributes
+   */
+  private void onTrackPointStart(Attributes attributes) {
+    latitude = attributes.getValue(ATTRIBUTE_LAT);
+    longitude = attributes.getValue(ATTRIBUTE_LON);
+    altitude = null;
+    time = null;
+  }
+
+  /**
+   * On track point end.
+   */
+  private void onTrackPointEnd() throws SAXException {
+    Location location = getTrackPoint();
+    if (location == null) {
+      return;
+    }
+    insertTrackPoint(location);
+  }
+
+  /**
+   * On waypoint start.
+   * 
+   * @param attributes the attributes
+   */
+  private void onWaypointStart(Attributes attributes) {
+    name = null;
+    description = null;
+    category = null;
+    latitude = attributes.getValue(ATTRIBUTE_LAT);
+    longitude = attributes.getValue(ATTRIBUTE_LON);
+    altitude = null;
+    time = null;
+    waypointType = null;
+  }
+
+  /**
+   * On waypoint end.
+   */
+  private void onWaypointEnd() throws SAXException {
+    addWaypoint(WaypointType.STATISTICS.name().equals(waypointType) ? WaypointType.STATISTICS
+        : WaypointType.WAYPOINT);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/importer/ImportActivity.java

@@ -0,0 +1,233 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.importer;
+
+import com.google.android.apps.mytracks.TrackDetailActivity;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.util.DialogUtils;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.UriUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.ProgressDialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.TaskStackBuilder;
+import android.util.Log;
+import android.widget.Toast;
+
+import java.io.File;
+
+/**
+ * An activity to import files from the external storage. Optionally to import
+ * one specific file.
+ * 
+ * @author Rodrigo Damazio
+ */
+public class ImportActivity extends Activity {
+
+  public static final String EXTRA_IMPORT_ALL = "import_all";
+  public static final String EXTRA_TRACK_FILE_FORMAT = "track_file_format";
+
+  private static final String TAG = ImportActivity.class.getSimpleName();
+  private static final int DIALOG_PROGRESS_ID = 0;
+  private static final int DIALOG_RESULT_ID = 1;
+
+  private ImportAsyncTask importAsyncTask;
+  private ProgressDialog progressDialog;
+
+  private boolean importAll;
+  private TrackFileFormat trackFileFormat;
+
+  // the path on the external storage to import
+  private String directoryDisplayName;
+
+  // the number of files successfully imported
+  private int successCount;
+
+  // the number of files to import
+  private int totalCount;
+
+  // the last successfully imported track id
+  private long trackId;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    Intent intent = getIntent();
+    importAll = intent.getBooleanExtra(EXTRA_IMPORT_ALL, false);
+    trackFileFormat = intent.getParcelableExtra(EXTRA_TRACK_FILE_FORMAT);
+    if (trackFileFormat == null) {
+      trackFileFormat = TrackFileFormat.GPX;
+    }
+
+    if (!FileUtils.isExternalStorageAvailable()) {
+      Toast.makeText(this, R.string.external_storage_not_available, Toast.LENGTH_LONG).show();
+      finish();
+      return;
+    }
+    String directoryPath;
+    if (importAll) {
+      directoryDisplayName = FileUtils.getPathDisplayName(
+          trackFileFormat.getExtension());
+      directoryPath = FileUtils.getPath(trackFileFormat.getExtension());
+      if (!FileUtils.isDirectory(new File(directoryPath))) {
+        Toast.makeText(
+            this, getString(R.string.import_no_directory, directoryDisplayName), Toast.LENGTH_LONG)
+            .show();
+        finish();
+        return;
+      }
+    } else {
+      String action = intent.getAction();
+      if (!(Intent.ACTION_ATTACH_DATA.equals(action) || Intent.ACTION_VIEW.equals(action))) {
+        Log.d(TAG, "Invalid action: " + intent);
+        finish();
+        return;
+      }
+
+      Uri data = intent.getData();
+      if (!UriUtils.isFileUri(data)) {
+        Log.d(TAG, "Invalid data: " + intent);
+        finish();
+        return;
+      }
+      directoryDisplayName = data.getPath();
+      directoryPath = data.getPath();
+    }
+
+    Object retained = getLastNonConfigurationInstance();
+    if (retained instanceof ImportAsyncTask) {
+      importAsyncTask = (ImportAsyncTask) retained;
+      importAsyncTask.setActivity(this);
+    } else {
+      importAsyncTask = new ImportAsyncTask(this, importAll, trackFileFormat, directoryPath);
+      importAsyncTask.execute();
+    }
+  }
+
+  @Override
+  public Object onRetainNonConfigurationInstance() {
+    importAsyncTask.setActivity(null);
+    return importAsyncTask;
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    switch (id) {
+      case DIALOG_PROGRESS_ID:
+        progressDialog = DialogUtils.createHorizontalProgressDialog(
+            this, R.string.import_progress_message, new DialogInterface.OnCancelListener() {
+                @Override
+              public void onCancel(DialogInterface dialog) {
+                importAsyncTask.cancel(true);
+                dialog.dismiss();
+              }
+            }, directoryDisplayName);
+        return progressDialog;
+      case DIALOG_RESULT_ID:
+        int iconId;
+        int titleId;
+        String message;
+        String totalFiles = getResources()
+            .getQuantityString(R.plurals.files, totalCount, totalCount);
+        if (successCount == totalCount) {
+          if (totalCount == 0) {
+            iconId = android.R.drawable.ic_dialog_info;
+            titleId = R.string.import_no_file_title;
+            message = getString(R.string.import_no_file, directoryDisplayName);
+          } else {
+            iconId = R.drawable.ic_dialog_success;
+            titleId = R.string.generic_success_title;
+            message = getString(R.string.import_success, totalFiles, directoryDisplayName);
+          }
+        } else {
+          iconId = android.R.drawable.ic_dialog_alert;
+          titleId = R.string.generic_error_title;
+          message = getString(
+              R.string.import_error, successCount, totalFiles, directoryDisplayName);
+        }
+        return new AlertDialog.Builder(this).setCancelable(true).setIcon(iconId).setMessage(message)
+            .setOnCancelListener(new DialogInterface.OnCancelListener() {
+                @Override
+              public void onCancel(DialogInterface dialog) {
+                dialog.dismiss();
+                finish();
+              }
+            }).setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+                @Override
+              public void onClick(DialogInterface dialog, int which) {
+                if (successCount == totalCount && !importAll && trackId != -1L) {
+                  Intent intent = IntentUtils.newIntent(
+                      ImportActivity.this, TrackDetailActivity.class)
+                      .putExtra(TrackDetailActivity.EXTRA_TRACK_ID, trackId);
+                  TaskStackBuilder.create(ImportActivity.this)
+                      .addParentStack(TrackDetailActivity.class).addNextIntent(intent)
+                      .startActivities();
+                }
+                dialog.dismiss();
+                finish();
+              }
+            }).setTitle(titleId).create();
+      default:
+        return null;
+    }
+  }
+
+  /**
+   * Invokes when the associated AsyncTask completes.
+   * 
+   * @param aSuccessCount the number of files successfully imported
+   * @param aTotalCount the number of files to import
+   * @param aTrackId the last successfully imported track id
+   */
+  public void onAsyncTaskCompleted(int aSuccessCount, int aTotalCount, long aTrackId) {
+    successCount = aSuccessCount;
+    totalCount = aTotalCount;
+    trackId = aTrackId;
+    removeDialog(DIALOG_PROGRESS_ID);
+    showDialog(DIALOG_RESULT_ID);
+  }
+
+  /**
+   * Shows the progress dialog.
+   */
+  public void showProgressDialog() {
+    showDialog(DIALOG_PROGRESS_ID);
+  }
+
+  /**
+   * Sets the progress dialog value.
+   * 
+   * @param number the number of files imported
+   * @param max the maximum number of files
+   */
+  public void setProgressDialogValue(int number, int max) {
+    if (progressDialog != null) {
+      progressDialog.setIndeterminate(false);
+      progressDialog.setMax(max);
+      progressDialog.setProgress(Math.min(number, max));
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/importer/ImportAsyncTask.java

@@ -0,0 +1,241 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.importer;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.io.file.TrackFileFormat;
+import com.google.android.apps.mytracks.io.file.exporter.KmzTrackExporter;
+import com.google.android.apps.mytracks.util.FileUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Context;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.os.PowerManager.WakeLock;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * AsyncTask to import files from the external storage.
+ * 
+ * @author Jimmy Shih
+ */
+public class ImportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
+
+  private static final String TAG = ImportAsyncTask.class.getSimpleName();
+
+  private ImportActivity importActivity;
+  private final boolean importAll;
+  private final TrackFileFormat trackFileFormat;
+  private final String path;
+  private final Context context;
+  private WakeLock wakeLock;
+
+  // true if the AsyncTask has completed
+  private boolean completed;
+
+  // the number of files successfully imported
+  private int successCount;
+
+  // the number of files to import
+  private int totalCount;
+
+  // the last successfully imported track id
+  private long trackId;
+
+  /**
+   * Creates an AsyncTask.
+   * 
+   * @param importActivity the activity currently associated with this AsyncTask
+   * @param importAll true to import all GPX files
+   * @param trackFileFormat the track file format
+   * @param path path to import GPX files
+   */
+  public ImportAsyncTask(ImportActivity importActivity, boolean importAll,
+      TrackFileFormat trackFileFormat, String path) {
+    this.importActivity = importActivity;
+    this.importAll = importAll;
+    this.trackFileFormat = trackFileFormat;
+    this.path = path;
+    context = importActivity.getApplicationContext();
+
+    completed = false;
+    successCount = 0;
+    totalCount = 0;
+    trackId = -1L;
+  }
+
+  /**
+   * Sets the current {@link ImportActivity} associated with this AyncTask.
+   * 
+   * @param importActivity the current {@link ImportActivity}, can be null
+   */
+  public void setActivity(ImportActivity importActivity) {
+    this.importActivity = importActivity;
+    if (completed && importActivity != null) {
+      importActivity.onAsyncTaskCompleted(successCount, totalCount, trackId);
+    }
+  }
+
+  @Override
+  protected void onPreExecute() {
+    if (importActivity != null) {
+      importActivity.showProgressDialog();
+    }
+  }
+
+  @Override
+  protected Boolean doInBackground(Void... params) {
+    try {
+      Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
+      // Get the wake lock if not recording or paused
+      boolean isRecording =
+          PreferencesUtils.getLong(importActivity, R.string.recording_track_id_key)
+          != PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
+      boolean isPaused = PreferencesUtils.getBoolean(importActivity,
+          R.string.recording_track_paused_key, PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+      if (!isRecording || isPaused) {
+        wakeLock = SystemUtils.acquireWakeLock(importActivity, wakeLock);
+      }
+
+      List<File> files = getFiles();
+      totalCount = files.size();
+      if (totalCount == 0) {
+        return true;
+      }
+
+      for (int i = 0; i < totalCount; i++) {
+        if (isCancelled()) {
+          // If cancelled, return true to show the number of files imported
+          return true;
+        }
+        if (importFile(files.get(i))) {
+          successCount++;
+        }
+        publishProgress(i + 1, totalCount);
+      }
+      return true;
+    } finally {
+      if (wakeLock != null && wakeLock.isHeld()) {
+        wakeLock.release();
+      }
+    }
+  }
+
+  @Override
+  protected void onProgressUpdate(Integer... values) {
+    if (importActivity != null) {
+      importActivity.setProgressDialogValue(values[0], values[1]);
+    }
+  }
+
+  @Override
+  protected void onPostExecute(Boolean result) {
+    completed = true;
+    if (importActivity != null) {
+      importActivity.onAsyncTaskCompleted(successCount, totalCount, trackId);
+    }
+  }
+
+  @Override
+  protected void onCancelled() {
+    completed = true;
+    if (importActivity != null) {
+      importActivity.onAsyncTaskCompleted(successCount, totalCount, trackId);
+    }
+  }
+  
+  /**
+   * Imports a file.
+   * 
+   * @param file the file
+   */
+  private boolean importFile(final File file) {
+    FileInputStream fileInputStream = null;
+    try {
+      TrackImporter trackImporter;
+      if (trackFileFormat == TrackFileFormat.KML) {
+        String extension = FileUtils.getExtension(file.getName());
+        if (TrackFileFormat.KML.getExtension().equals(extension)) {
+          trackImporter = new KmlFileTrackImporter(context, -1L);
+        } else {         
+          MyTracksProviderUtils myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
+          Uri uri = myTracksProviderUtils.insertTrack(new Track());
+          long newId = Long.parseLong(uri.getLastPathSegment());
+
+          trackImporter = new KmzTrackImporter(context, newId);
+        }
+      } else {
+        trackImporter = new GpxFileTrackImporter(context);
+      }
+      fileInputStream = new FileInputStream(file);
+      trackId = trackImporter.importFile(fileInputStream);
+      return trackId != -1L;
+    } catch (FileNotFoundException e) {
+      Log.e(TAG, "Unable to import file", e);
+      return false;
+    } finally {
+      if (fileInputStream != null) {
+        try {
+          fileInputStream.close();
+        } catch (IOException e) {
+          Log.e(TAG, "Unable to close file input stream", e);
+        }
+      }
+    }
+  }
+  
+  /**
+   * Gets a list of files. If importAll is true, returns a list of the files
+   * under the path directory. If importAll is false, returns a list containing
+   * just the path file.
+   */
+  private List<File> getFiles() {
+    List<File> files = new ArrayList<File>();
+    File file = new File(path);
+    if (importAll) {
+      File[] candidates = file.listFiles();
+      if (candidates != null) {
+        for (File candidate : candidates) {
+          if (!FileUtils.isDirectory(candidate)) {
+            String extension = FileUtils.getExtension(candidate.getName());
+            if (trackFileFormat == TrackFileFormat.KML && (
+                TrackFileFormat.KML.getExtension().equals(extension)
+                || KmzTrackExporter.KMZ_EXTENSION.equals(extension))) {
+              files.add(candidate);
+            } else if (trackFileFormat == TrackFileFormat.GPX
+                && TrackFileFormat.GPX.getExtension().equals(extension)) {
+              files.add(candidate);
+            }
+          }         
+        }
+      }
+    } else {
+      files.add(file);
+    }
+    return files;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/importer/KmlFileTrackImporter.java

@@ -0,0 +1,303 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.importer;
+
+import com.google.android.apps.mytracks.content.MyTracksLocation;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Sensor;
+import com.google.android.apps.mytracks.content.Sensor.SensorDataSet;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.content.Context;
+import android.location.Location;
+import android.net.Uri;
+
+import java.util.ArrayList;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+
+/**
+ * Imports a KML file.
+ * 
+ * @author Jimmy Shih
+ */
+public class KmlFileTrackImporter extends AbstractFileTrackImporter {
+
+  private static final String CADENCE = "cadence";
+  private static final String HEART_RATE = "heart_rate";
+  private static final String POWER = "power";
+
+  private static final String STATISTICS_STYLE = "#statistics";
+  private static final String WAYPOINT_STYLE = "#waypoint";
+
+  private static final String TAG_COORDINATES = "coordinates";
+  private static final String TAG_DESCRIPTION = "description";
+  private static final String TAG_GX_COORD = "gx:coord";
+  private static final String TAG_GX_MULTI_TRACK = "gx:MultiTrack";
+  private static final String TAG_GX_SIMPLE_ARRAY_DATA = "gx:SimpleArrayData";
+  private static final String TAG_GX_TRACK = "gx:Track";
+  private static final String TAG_GX_VALUE = "gx:value";
+  private static final String TAG_HREF = "href";
+  private static final String TAG_KML = "kml";
+  private static final String TAG_NAME = "name";
+  private static final String TAG_PHOTO_OVERLAY = "PhotoOverlay";
+  private static final String TAG_PLACEMARK = "Placemark";
+  private static final String TAG_STYLE_URL = "styleUrl";
+  private static final String TAG_VALUE = "value";
+  private static final String TAG_WHEN = "when";
+
+  private static final String ATTRIBUTE_NAME = "name";
+
+  private boolean trackStarted = false;
+  private String sensorName;
+  private ArrayList<Location> locationList;
+  private ArrayList<Integer> cadenceList;
+  private ArrayList<Integer> heartRateList;
+  private ArrayList<Integer> powerList;
+
+  /**
+   * Constructor.
+   * 
+   * @param context the context
+   * @param importTrackId track id to import to. -1L to import to a new track.
+   */
+  public KmlFileTrackImporter(Context context, long importTrackId) {
+    this(context, importTrackId, MyTracksProviderUtils.Factory.get(context));
+  }
+
+  @VisibleForTesting
+  KmlFileTrackImporter(
+      Context context, long importTrackId, MyTracksProviderUtils myTracksProviderUtils) {
+    super(context, importTrackId, myTracksProviderUtils);
+  }
+
+  @Override
+  public void startElement(String uri, String localName, String tag, Attributes attributes)
+      throws SAXException {
+    if (tag.equals(TAG_PLACEMARK) || tag.equals(TAG_PHOTO_OVERLAY)) {
+      onWaypointStart();
+    } else if (tag.equals(TAG_GX_MULTI_TRACK)) {
+      trackStarted = true;
+      onTrackStart();
+    } else if (tag.equals(TAG_GX_TRACK)) {
+      if (!trackStarted) {
+        throw new SAXException("No " + TAG_GX_MULTI_TRACK);
+      }
+      onTrackSegmentStart();
+    } else if (tag.equals(TAG_GX_SIMPLE_ARRAY_DATA)) {
+      onSensorDataStart(attributes);
+    }
+  }
+
+  @Override
+  public void endElement(String uri, String localName, String tag) throws SAXException {
+    if (tag.equals(TAG_KML)) {
+      onFileEnd();
+    } else if (tag.equals(TAG_PLACEMARK) || tag.equals(TAG_PHOTO_OVERLAY)) {
+      onWaypointEnd();
+    } else if (localName.equals(TAG_COORDINATES)) {
+      onWaypointLocationEnd();
+    } else if (tag.equals(TAG_GX_MULTI_TRACK)) {
+      onTrackEnd();
+    } else if (tag.equals(TAG_GX_TRACK)) {
+      onTrackSegmentEnd();
+    } else if (tag.equals(TAG_GX_COORD)) {
+      onTrackPointEnd();
+    } else if (tag.equals(TAG_GX_VALUE)) {
+      onSensorValueEnd();
+    } else if (tag.equals(TAG_NAME)) {
+      if (content != null) {
+        name = content.trim();
+      }
+    } else if (localName.equals(TAG_DESCRIPTION)) {
+      if (content != null) {
+        description = content.trim();
+      }
+    } else if (localName.equals(TAG_VALUE)) {
+      if (content != null) {
+        category = content.trim();
+      }
+    } else if (localName.equals(TAG_WHEN)) {
+      if (content != null) {
+        time = content.trim();
+      }
+    } else if (localName.equals(TAG_STYLE_URL)) {
+      if (content != null) {
+        waypointType = content.trim();
+      }
+    } else if (localName.equals(TAG_HREF)) {
+      if (content != null) {
+        photoUrl = content.trim();
+      }
+    }
+
+    // Reset element content
+    content = null;
+  }
+
+  /**
+   * On waypoint start.
+   */
+  private void onWaypointStart() {
+    // Reset all Placemark variables
+    name = null;
+    description = null;
+    category = null;
+    latitude = null;
+    longitude = null;
+    altitude = null;
+    time = null;
+    waypointType = null;
+    photoUrl = null;
+  }
+
+  /**
+   * On waypoint end.
+   */
+  private void onWaypointEnd() throws SAXException {
+    // Add a waypoint if the waypointType matches
+    WaypointType type = null;
+    if (WAYPOINT_STYLE.equals(waypointType)) {
+      type = WaypointType.WAYPOINT;
+    } else if (STATISTICS_STYLE.equals(waypointType)) {
+      type = WaypointType.STATISTICS;
+    }
+    if (type == null) {
+      return;
+    }
+    if (photoUrl != null) {
+      Uri uri = Uri.parse(photoUrl);
+      photoUrl = getPhotoUrl(uri.getLastPathSegment());
+    }
+    addWaypoint(type);
+  }
+
+  /**
+   * On waypoint location end.
+   */
+  private void onWaypointLocationEnd() {
+    if (content != null) {
+      String parts[] = content.trim().split(",");
+      if (parts.length != 2 && parts.length != 3) {
+        return;
+      }
+      longitude = parts[0];
+      latitude = parts[1];
+      altitude = parts.length == 3 ? parts[2] : null;      
+    }
+  }
+
+  @Override
+  protected void onTrackSegmentStart() {
+    super.onTrackSegmentStart();
+    locationList = new ArrayList<Location>();
+    powerList = new ArrayList<Integer>();
+    cadenceList = new ArrayList<Integer>();
+    heartRateList = new ArrayList<Integer>();
+  }
+
+  /**
+   * On track segment end.
+   */
+  private void onTrackSegmentEnd() {
+    // Close a track segment by inserting the segment locations
+    boolean hasPower = powerList.size() == locationList.size();
+    boolean hasCadence = cadenceList.size() == locationList.size();
+    boolean hasHeartRate = heartRateList.size() == locationList.size();
+
+    for (int i = 0; i < locationList.size(); i++) {
+      Location location = locationList.get(i);
+
+      if (!hasPower && !hasCadence && !hasHeartRate) {
+        insertTrackPoint(location);
+      } else {
+        SensorDataSet.Builder builder = Sensor.SensorDataSet.newBuilder();
+        if (hasPower) {
+          builder.setPower(Sensor.SensorData.newBuilder()
+              .setValue(powerList.get(i)).setState(Sensor.SensorState.SENDING));
+        }
+        if (hasCadence) {
+          builder.setCadence(Sensor.SensorData.newBuilder()
+              .setValue(cadenceList.get(i)).setState(Sensor.SensorState.SENDING));
+        }
+        if (hasHeartRate) {
+          builder.setHeartRate(Sensor.SensorData.newBuilder()
+              .setValue(heartRateList.get(i)).setState(Sensor.SensorState.SENDING));
+        }
+        SensorDataSet sensorDataSet = builder.setCreationTime(location.getTime()).build();
+        MyTracksLocation myTracksLocation = new MyTracksLocation(location, sensorDataSet);
+        insertTrackPoint(myTracksLocation);
+      }
+    }
+  }
+
+  /**
+   * On track point end. gx:coord end tag.
+   */
+  private void onTrackPointEnd() throws SAXException {
+    // Add location to locationList
+    if (content == null) {
+      return;
+    }
+    String parts[] = content.trim().split(" ");
+    if (parts.length != 2 && parts.length != 3) {
+      return;
+    }
+    longitude = parts[0];
+    latitude = parts[1];
+    altitude = parts.length == 3 ? parts[2] : null;
+
+    Location location = getTrackPoint();
+    if (location == null) {
+      return;
+    }
+    locationList.add(location);
+    time = null;
+  }
+
+  /**
+   * On sensor data start. gx:SimpleArrayData start tag.
+   * 
+   * @param attributes
+   */
+  private void onSensorDataStart(Attributes attributes) {
+    sensorName = attributes.getValue(ATTRIBUTE_NAME);
+  }
+
+  /**
+   * On sensor value end. gx:value end tag.
+   */
+  private void onSensorValueEnd() throws SAXException {
+    if (content != null) {
+      int value;
+      try {
+        value = Integer.parseInt(content.trim());
+      } catch (NumberFormatException e) {
+        throw new SAXException(createErrorMessage("Unable to parse gx:value:" + content), e);
+      }
+      if (POWER.equals(sensorName)) {
+        powerList.add(value);
+      } else if (HEART_RATE.equals(sensorName)) {
+        heartRateList.add(value);
+      } else if (CADENCE.equals(sensorName)) {
+        cadenceList.add(value);
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/importer/KmzTrackImporter.java

@@ -0,0 +1,198 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.file.importer;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.io.file.exporter.KmzTrackExporter;
+import com.google.android.apps.mytracks.util.FileUtils;
+
+import android.content.Context;
+import android.util.Log;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+/**
+ * Imports a KMZ file.
+ * 
+ * @author Jimmy Shih
+ */
+public class KmzTrackImporter implements TrackImporter {
+
+  private static final String TAG = KmzTrackImporter.class.getSimpleName();
+  private static final int BUFFER_SIZE = 4096;
+
+  private final Context context;
+  private final long importTrackId;
+
+  /**
+   * Constructor.
+   * 
+   * @param context the context
+   * @param importTrackId track id to import to. This should not be -1L so that
+   *          images in the kmz file can be imported.
+   */
+  public KmzTrackImporter(Context context, long importTrackId) {
+    this.context = context;
+    this.importTrackId = importTrackId;
+  }
+
+  @Override
+  public long importFile(InputStream inputStream) {
+    ZipInputStream zipInputStream = null;
+    long trackId = importTrackId;
+    try {
+      ZipEntry zipEntry;
+
+      zipInputStream = new ZipInputStream(inputStream);
+      while ((zipEntry = zipInputStream.getNextEntry()) != null) {
+        if (Thread.interrupted()) {
+          Log.d(TAG, "Thread interrupted");
+          cleanImport(trackId);
+          return -1L;
+        }
+        String fileName = zipEntry.getName();
+        if (fileName.equals(KmzTrackExporter.KMZ_KML_FILE)) {
+          trackId = parseKml(zipInputStream);
+          if (trackId == -1L) {
+            Log.d(TAG, "Unable to parse kml in kmz");
+            cleanImport(trackId);
+            return -1L;
+          }
+        } else {
+          String prefix = KmzTrackExporter.KMZ_IMAGES_DIR + File.separatorChar;
+          if (fileName.startsWith(prefix)) {
+            readImageFile(zipInputStream, fileName.substring(prefix.length()));
+          }
+        }
+        zipInputStream.closeEntry();
+      }
+      return trackId;
+    } catch (IOException e) {
+      Log.e(TAG, "Unable to import file", e);
+      cleanImport(trackId);
+      return -1L;
+    } finally {
+      if (zipInputStream != null) {
+        try {
+          zipInputStream.close();
+        } catch (IOException e) {
+          Log.e(TAG, "Unable to close zip input stream", e);
+        }
+      }
+    }
+  }
+
+  /**
+   * Cleans up import.
+   * 
+   * @param trackId the trackId
+   */
+  private void cleanImport(long trackId) {
+    if (trackId != -1L) {
+      MyTracksProviderUtils myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
+      myTracksProviderUtils.deleteTrack(trackId);
+    }
+
+    if (importTrackId != -1L) {
+      File dir = new File(
+          FileUtils.getPath(FileUtils.PICTURES_DIR, Long.toString(importTrackId)));
+      if (FileUtils.isDirectory(dir)) {
+        for (File file : dir.listFiles()) {
+          file.delete();
+        }
+        dir.delete();
+      }
+    }
+  }
+
+  /**
+   * Parses kml
+   * 
+   * @param zipInputStream the zip input stream
+   * @return the imported track id or -1L
+   */
+  private long parseKml(ZipInputStream zipInputStream) throws IOException {
+    ByteArrayInputStream byteArrayInputStream = null;
+    try {
+      KmlFileTrackImporter kmlFileTrackImporter = new KmlFileTrackImporter(context, importTrackId);
+      byteArrayInputStream = new ByteArrayInputStream(getKml(zipInputStream));
+      return kmlFileTrackImporter.importFile(byteArrayInputStream);
+    } finally {
+      if (byteArrayInputStream != null) {
+        byteArrayInputStream.close();
+      }
+    }
+  }
+
+  /**
+   * Gets the kml as byte array.
+   * 
+   * @param zipInputStream the zip input stream
+   */
+  private byte[] getKml(ZipInputStream zipInputStream) throws IOException {
+    ByteArrayOutputStream byteArrayOutputStream = null;
+    try {
+      byteArrayOutputStream = new ByteArrayOutputStream();
+      byte[] buffer = new byte[BUFFER_SIZE];
+      int count;
+      while ((count = zipInputStream.read(buffer)) != -1) {
+        byteArrayOutputStream.write(buffer, 0, count);
+      }
+      return byteArrayOutputStream.toByteArray();
+    } finally {
+      if (byteArrayOutputStream != null) {
+        byteArrayOutputStream.close();
+      }
+    }
+  }
+
+  /**
+   * Reads an image file.
+   * 
+   * @param zipInputStream the zip input stream
+   * @param fileName the file name
+   */
+  private void readImageFile(ZipInputStream zipInputStream, String fileName) throws IOException {
+    FileOutputStream fileOutputStream = null;
+    try {
+      if (importTrackId == -1L) {
+        return;
+      }
+      File dir = new File(
+          FileUtils.getPath(FileUtils.PICTURES_DIR, Long.toString(importTrackId)));
+      FileUtils.ensureDirectoryExists(dir);
+
+      fileOutputStream = new FileOutputStream(new File(dir, fileName));
+      byte[] buffer = new byte[BUFFER_SIZE];
+      int count;
+      while ((count = zipInputStream.read(buffer)) != -1) {
+        fileOutputStream.write(buffer, 0, count);
+      }
+    } finally {
+      if (fileOutputStream != null) {
+        fileOutputStream.close();
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/file/importer/TrackImporter.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.file.importer;
+
+import java.io.InputStream;
+
+/**
+ * Interface for a track importer.
+ * 
+ * @author Jimmy Shih
+ */
+public interface TrackImporter {
+
+  /**
+   * Import a file.
+   * 
+   * @param inputStream the file's input stream
+   * @return the imported track id or -1L.
+   */
+  public long importFile(InputStream inputStream);
+}

MyTracks/src/com/google/android/apps/mytracks/io/fusiontables/SendFusionTablesActivity.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.io.fusiontables;
+
+import com.google.android.apps.mytracks.io.sendtogoogle.AbstractSendActivity;
+import com.google.android.apps.mytracks.io.sendtogoogle.AbstractSendAsyncTask;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendRequest;
+import com.google.android.apps.mytracks.io.sendtogoogle.UploadResultActivity;
+import com.google.android.apps.mytracks.io.spreadsheets.SendSpreadsheetsActivity;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.content.Intent;
+
+/**
+ * An activity to send a track to Google Fusion Tables.
+ * 
+ * @author Jimmy Shih
+ */
+public class SendFusionTablesActivity extends AbstractSendActivity {
+
+  @Override
+  protected AbstractSendAsyncTask createAsyncTask() {
+    return new SendFusionTablesAsyncTask(this, sendRequest.getTrackId(), sendRequest.getAccount());
+  }
+
+  @Override
+  protected String getServiceName() {
+    return getString(R.string.export_google_fusion_tables);
+  }
+
+  @Override
+  protected void startNextActivity(boolean success, boolean isCancel) {
+    sendRequest.setFusionTablesSuccess(success);
+    Class<?> next = getNextClass(sendRequest, isCancel);
+    Intent intent = IntentUtils.newIntent(this, next)
+        .putExtra(SendRequest.SEND_REQUEST_KEY, sendRequest);
+    startActivity(intent);
+    finish();
+  }
+
+  @VisibleForTesting
+  Class<?> getNextClass(SendRequest request, boolean isCancel) {
+    if (isCancel) {
+      return UploadResultActivity.class;
+    } else {
+      if (request.isSendSpreadsheets()) {
+        return SendSpreadsheetsActivity.class;
+      } else {
+        return UploadResultActivity.class;
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/fusiontables/SendFusionTablesAsyncTask.java

@@ -0,0 +1,405 @@
+// Copyright 2012 Google Inc. All Rights Reserved.
+
+package com.google.android.apps.mytracks.io.fusiontables;
+
+import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.content.DescriptionGenerator;
+import com.google.android.apps.mytracks.content.DescriptionGeneratorImpl;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.content.Waypoint.WaypointType;
+import com.google.android.apps.mytracks.io.sendtogoogle.AbstractSendAsyncTask;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendToGoogleUtils;
+import com.google.android.apps.mytracks.io.sync.SyncUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.gms.auth.GoogleAuthException;
+import com.google.android.gms.auth.UserRecoverableAuthException;
+import com.google.android.maps.mytracks.R;
+import com.google.api.client.extensions.android.http.AndroidHttp;
+import com.google.api.client.googleapis.GoogleUrl;
+import com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential;
+import com.google.api.client.googleapis.extensions.android.gms.auth.UserRecoverableAuthIOException;
+import com.google.api.client.http.ByteArrayContent;
+import com.google.api.client.http.HttpContent;
+import com.google.api.client.json.gson.GsonFactory;
+import com.google.api.services.drive.Drive;
+import com.google.api.services.drive.model.Permission;
+import com.google.api.services.fusiontables.Fusiontables;
+import com.google.api.services.fusiontables.Fusiontables.Query.Sql;
+import com.google.api.services.fusiontables.model.Column;
+import com.google.api.services.fusiontables.model.PointStyle;
+import com.google.api.services.fusiontables.model.StyleFunction;
+import com.google.api.services.fusiontables.model.StyleSetting;
+import com.google.api.services.fusiontables.model.Table;
+import com.google.api.services.fusiontables.model.Template;
+
+import android.accounts.Account;
+import android.content.Context;
+import android.database.Cursor;
+import android.location.Location;
+import android.util.Log;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * AsyncTask to send a track to Google Fusion Tables.
+ * 
+ * @author Jimmy Shih
+ */
+public class SendFusionTablesAsyncTask extends AbstractSendAsyncTask {
+
+  private static final String TAG = SendFusionTablesAsyncTask.class.getSimpleName();
+  private static final int MAX_POINTS_PER_UPLOAD = 2048;
+  private static final int PROGRESS_CREATE_TABLE = 0;
+  private static final int PROGRESS_SET_STYLE = 5;
+  private static final int PROGRESS_UPLOAD_DATA_MIN = 10;
+  private static final int PROGRESS_UPLOAD_DATA_MAX = 90;
+  private static final int PROGRESS_UPLOAD_WAYPOINTS = 95;
+  private static final int PROGRESS_COMPLETE = 100;
+
+  // See
+  // http://support.google.com/fusiontables/bin/answer.py?hl=en&answer=185991
+  private static final String MARKER_TYPE_START = "large_green";
+  private static final String MARKER_TYPE_END = "large_red";
+  private static final String MARKER_TYPE_WAYPOINT = "large_blue";
+  private static final String MARKER_TYPE_STATISTICS = "large_yellow";
+
+  private final long trackId;
+  private final Account account;
+  private final Context context;
+  private final MyTracksProviderUtils myTracksProviderUtils;
+
+  int currentSegment;
+
+  public SendFusionTablesAsyncTask(
+      SendFusionTablesActivity activity, long trackId, Account account) {
+    super(activity);
+    this.trackId = trackId;
+    this.account = account;
+    context = activity.getApplicationContext();
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
+  }
+
+  @Override
+  protected void closeConnection() {}
+
+  @Override
+  protected boolean performTask() {
+    try {
+      // Reset the per upload states
+      currentSegment = 1;
+
+      GoogleAccountCredential credential = SendToGoogleUtils.getGoogleAccountCredential(
+          context, account.name, SendToGoogleUtils.FUSION_TABLES_SCOPE);
+      if (credential == null) {
+        return false;
+      }
+      Fusiontables fusiontables = new Fusiontables.Builder(
+          AndroidHttp.newCompatibleTransport(), new GsonFactory(), credential).build();
+
+      Track track = myTracksProviderUtils.getTrack(trackId);
+      if (track == null) {
+        Log.d(TAG, "No track for " + trackId);
+        return false;
+      }
+      
+      // Create a new table
+      publishProgress(PROGRESS_CREATE_TABLE);
+      String tableId = createNewTable(fusiontables, track);
+      if (tableId == null) {
+        return retryTask();
+      }
+
+      publishProgress(PROGRESS_SET_STYLE);
+      setStyle(fusiontables, tableId);
+      setTemplate(fusiontables, tableId);
+      if (!setPermission(track, tableId)) {
+        Log.d(TAG, "Cannot set permission for table " + tableId);
+        return false;
+      }
+      
+      // Upload all the track points plus the start and end markers
+      publishProgress(PROGRESS_UPLOAD_DATA_MIN);
+      if (!uploadAllTrackPoints(fusiontables, tableId, track)) {
+        return false;
+      }
+
+      // Upload all the waypoints
+      publishProgress(PROGRESS_UPLOAD_WAYPOINTS);
+      if (!uploadWaypoints(fusiontables, tableId)) {
+        return false;
+      }
+
+      publishProgress(PROGRESS_COMPLETE);
+      return true;
+
+    } catch (UserRecoverableAuthException e) {
+      SendToGoogleUtils.sendNotification(
+          context, account.name, e.getIntent(), SendToGoogleUtils.FUSION_TABLES_NOTIFICATION_ID);
+      return false;
+    } catch (GoogleAuthException e) {
+      return retryTask();
+    } catch (UserRecoverableAuthIOException e) {
+      SendToGoogleUtils.sendNotification(
+          context, account.name, e.getIntent(), SendToGoogleUtils.FUSION_TABLES_NOTIFICATION_ID);
+      return false;
+    } catch (IOException e) {
+      return retryTask();
+    }
+  }
+
+  @Override
+  protected void invalidateToken() {}
+
+  /**
+   * Creates a new table.
+   * 
+   * @param fusiontables fusion tables
+   * @param track the track
+   * @return the table id if success.
+   */
+  private String createNewTable(Fusiontables fusiontables, Track track) throws IOException {
+    Table table = new Table();
+    table.setName(track.getName());
+    table.setDescription(track.getDescription());
+    table.setIsExportable(true);
+    table.setColumns(Arrays.asList(new Column().setName("name").setType("STRING"),
+        new Column().setName("description").setType("STRING"),
+        new Column().setName("geometry").setType("LOCATION"),
+        new Column().setName("icon").setType("STRING")));
+    return fusiontables.table().insert(table).execute().getTableId();
+  }
+  
+  private void setStyle(Fusiontables fusiontables, String tableId) throws IOException {
+    StyleFunction styleFunction = new StyleFunction();
+    styleFunction.setColumnName("icon");
+    PointStyle pointStyle = new PointStyle();
+    pointStyle.setIconStyler(styleFunction);
+    StyleSetting styleSetting = new StyleSetting();
+    styleSetting.setTableId(tableId);
+    styleSetting.setMarkerOptions(pointStyle);
+    
+    fusiontables.style().insert(tableId, styleSetting).execute();
+  }
+  
+  private void setTemplate(Fusiontables fusiontables, String tableId) throws IOException {
+    Template template = new Template();
+    template.setTableId(tableId);
+    template.setAutomaticColumnNames(Arrays.asList("name", "description"));
+    fusiontables.template().insert(tableId, template).execute();
+  }
+
+  private boolean setPermission(Track track, String tableId) throws IOException, GoogleAuthException {
+    boolean defaultTablePublic = PreferencesUtils.getBoolean(context,
+        R.string.export_google_fusion_tables_public_key,
+        PreferencesUtils.EXPORT_GOOGLE_FUSION_TABLES_PUBLIC_DEFAULT);
+    if (!defaultTablePublic) {
+      return true;
+    }
+    GoogleAccountCredential driveCredential = SendToGoogleUtils.getGoogleAccountCredential(
+        context, account.name, SendToGoogleUtils.DRIVE_SCOPE);
+    if (driveCredential == null) {
+      return false;
+    }
+    Drive drive = SyncUtils.getDriveService(driveCredential);
+    Permission permission = new Permission();
+    permission.setRole("reader");
+    permission.setType("anyone");
+    permission.setValue("");   
+    drive.permissions().insert(tableId, permission).execute();
+    
+    shareUrl = SendFusionTablesUtils.getMapUrl(track, tableId);
+    return true;
+  }
+  
+  /**
+   * Uploads all the points in a track. *
+   * 
+   * @param fusiontables fusion tables
+   * @param tableId the table id
+   * @param track the track
+   * @return true if success.
+   */
+  private boolean uploadAllTrackPoints(Fusiontables fusiontables, String tableId, Track track)
+      throws IOException {
+    Cursor cursor = null;
+    try {
+      cursor = myTracksProviderUtils.getTrackPointCursor(trackId, -1L, -1, false);
+      if (cursor == null) {
+        Log.d(TAG, "Location cursor is null");
+        return false;
+      }
+
+      int count = cursor.getCount();
+      List<Location> locations = new ArrayList<Location>(MAX_POINTS_PER_UPLOAD);
+      Location lastValidLocation = null;
+      boolean sentStartMarker = false;
+
+      for (int i = 0; i < count; i++) {
+        cursor.moveToPosition(i);
+
+        Location location = myTracksProviderUtils.createTrackPoint(cursor);
+        locations.add(location);
+
+        if (LocationUtils.isValidLocation(location)) {
+          lastValidLocation = location;
+        }
+
+        if (!sentStartMarker && lastValidLocation != null) {
+          // Create a start marker
+          String name = context.getString(R.string.marker_label_start, track.getName());
+          createNewPoint(fusiontables, tableId, name, "", lastValidLocation, MARKER_TYPE_START);
+          sentStartMarker = true;
+        }
+
+        // Upload periodically
+        int readCount = i + 1;
+        if (readCount % MAX_POINTS_PER_UPLOAD == 0) {
+          if (!prepareAndUploadPoints(fusiontables, tableId, track, locations, false)) {
+            Log.d(TAG, "Unable to upload points");
+            return false;
+          }
+          updateProgress(readCount, count);
+          locations.clear();
+        }
+      }
+
+      // Do a final upload with the remaining locations
+      if (!prepareAndUploadPoints(fusiontables, tableId, track, locations, true)) {
+        Log.d(TAG, "Unable to upload points");
+        return false;
+      }
+
+      // Create an end marker
+      if (lastValidLocation != null) {
+        String name = context.getString(R.string.marker_label_end, track.getName());
+        DescriptionGenerator descriptionGenerator = new DescriptionGeneratorImpl(context);
+        String description = descriptionGenerator.generateTrackDescription(track, null, null, true);
+        createNewPoint(
+            fusiontables, tableId, name, description, lastValidLocation, MARKER_TYPE_END);
+      }
+      return true;
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+  }
+
+  /**
+   * Prepares and uploads a list of locations from a track.
+   * 
+   * @param fusiontables fusion tables
+   * @param tableId the table id
+   * @param track the track
+   * @param locations the locations from the track
+   * @param lastBatch true if it is the last batch of locations
+   */
+  private boolean prepareAndUploadPoints(Fusiontables fusiontables, String tableId, Track track,
+      List<Location> locations, boolean lastBatch) throws IOException {
+    // Prepare locations
+    ArrayList<Track> splitTracks = SendToGoogleUtils.prepareLocations(track, locations);
+
+    // Upload segments
+    boolean onlyOneSegment = lastBatch && currentSegment == 1 && splitTracks.size() == 1;
+    for (Track splitTrack : splitTracks) {
+      if (!onlyOneSegment) {
+        splitTrack.setName(context.getString(
+            R.string.send_google_track_part_label, splitTrack.getName(), currentSegment));
+      }
+      createNewLineString(fusiontables, tableId, splitTrack);
+      currentSegment++;
+    }
+    return true;
+  }
+
+  /**
+   * Uploads all the waypoints.
+   * 
+   * @param fusiontables fusion tables
+   * @param tableId the table id
+   * @return true if success.
+   * @throws IOException
+   */
+  private boolean uploadWaypoints(Fusiontables fusiontables, String tableId) throws IOException {
+    Cursor cursor = null;
+    try {
+      cursor = myTracksProviderUtils.getWaypointCursor(
+          trackId, -1L, Constants.MAX_LOADED_WAYPOINTS_POINTS);
+      if (cursor != null && cursor.moveToFirst()) {
+        /*
+         * This will skip the first waypoint (it carries the stats for the
+         * track).
+         */
+        while (cursor.moveToNext()) {
+          Waypoint wpt = myTracksProviderUtils.createWaypoint(cursor);
+          String type = wpt.getType() == WaypointType.STATISTICS ? MARKER_TYPE_STATISTICS
+              : MARKER_TYPE_WAYPOINT;
+          String description = wpt.getDescription().replaceAll("\n", "<br>");
+          createNewPoint(
+              fusiontables, tableId, wpt.getName(), description, wpt.getLocation(), type);
+        }
+      }
+      return true;
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+  }
+
+  /**
+   * Creates a new row in Google Fusion Tables representing a marker as a point.
+   * 
+   * @param fusiontables fusion tables
+   * @param tableId the table id
+   * @param name the marker name
+   * @param description the marker description
+   * @param location the marker location
+   * @param type the marker type
+   */
+  private void createNewPoint(Fusiontables fusiontables, String tableId, String name,
+      String description, Location location, String type) throws IOException {
+    String values = SendFusionTablesUtils.formatSqlValues(
+        name, description, SendFusionTablesUtils.getKmlPoint(location), type);
+    Sql sql = fusiontables.query()
+        .sql("INSERT INTO " + tableId + " (name,description,geometry,icon) VALUES " + values);
+    sql.execute();
+  }
+
+  /**
+   * Creates a new row in Google Fusion Tables representing the track as a line
+   * segment.
+   * 
+   * @param fusiontables fusion tables
+   * @param tableId the table id
+   * @param track the track
+   */
+  private void createNewLineString(Fusiontables fusiontables, String tableId, Track track)
+      throws IOException {
+    String values = SendFusionTablesUtils.formatSqlValues(track.getName(), track.getDescription(),
+        SendFusionTablesUtils.getKmlLineString(track.getLocations()));
+    String sql = "INSERT INTO " + tableId + " (name,description,geometry) VALUES " + values;
+    HttpContent content = ByteArrayContent.fromString(null, "sql=" + sql);
+    GoogleUrl url = new GoogleUrl("https://www.googleapis.com/fusiontables/v1/query");
+    fusiontables.getRequestFactory().buildPostRequest(url, content).execute();
+  }
+
+  /**
+   * Updates the progress based on the number of locations uploaded.
+   * 
+   * @param uploaded the number of uploaded locations
+   * @param total the number of total locations
+   */
+  private void updateProgress(int uploaded, int total) {
+    double totalPercentage = (double) uploaded / total;
+    double scaledPercentage = totalPercentage
+        * (PROGRESS_UPLOAD_DATA_MAX - PROGRESS_UPLOAD_DATA_MIN) + PROGRESS_UPLOAD_DATA_MIN;
+    publishProgress((int) scaledPercentage);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/fusiontables/SendFusionTablesUtils.java

@@ -0,0 +1,155 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.fusiontables;
+
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.location.Location;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.Locale;
+
+/**
+ * Utilities for sending a track to Google Fusion Tables.
+ * 
+ * @author Jimmy Shih
+ */
+public class SendFusionTablesUtils {
+
+  private static final String MAP_URL = "https://www.google.com/fusiontables/embedviz?"
+      + "viz=MAP&q=select+col0,+col1,+col2,+col3+from+%s+&h=false&lat=%f&lng=%f&z=%d&t=1&l=col2";
+  private static final String TAG = SendFusionTablesUtils.class.getSimpleName();
+
+  private SendFusionTablesUtils() {}
+
+  /**
+   * Gets the url to visualize a fusion table on a map.
+   *
+   * @param track the track
+   * @param tableId the table id
+   * @return the url.
+   */
+  public static String getMapUrl(Track track, String tableId) {
+    if (track == null || track.getTripStatistics() == null) {
+      Log.e(TAG, "Invalid track");
+      return null;
+    }
+    double latE6;
+    double lonE6;
+    int z;
+    if (track.getNumberOfPoints() < 2) {
+      // Use Google's latitude and longitude
+      latE6 = 37.423 * 1.E6;
+      lonE6 = -122.084 * 1.E6;
+      z = 2;
+    } else {
+      TripStatistics stats = track.getTripStatistics();
+      latE6 = stats.getBottom() + (stats.getTop() - stats.getBottom()) / 2;
+      lonE6 = stats.getLeft() + (stats.getRight() - stats.getLeft()) / 2;
+      z = 15;
+    }
+    // We explicitly format with Locale.US because we need the latitude and
+    // longitude to be formatted in a locale-independent manner. Specifically,
+    // we need the decimal separator to be a period rather than a comma.
+    return String.format(Locale.US, MAP_URL, tableId, latE6 / 1.E6, lonE6 / 1.E6, z);
+  }
+
+  /**
+   * Formats an array of values as a SQL VALUES like
+   * ('value1','value2',...,'value_n'). Escapes single quotes with two single
+   * quotes.
+   *
+   * @param values an array of values to format
+   * @return the formated SQL VALUES.
+   */
+  public static String formatSqlValues(String... values) {
+    StringBuilder builder = new StringBuilder("(");
+    for (int i = 0; i < values.length; i++) {
+      if (i > 0) {
+        builder.append(',');
+      }
+      builder.append('\'');
+      builder.append(escapeSqlString(values[i]));
+      builder.append('\'');
+    }
+    builder.append(")");
+    return builder.toString();
+  }
+
+  /**
+   * Escapes a SQL string. Escapes single quotes with two single quotes.
+   *
+   * @param string the string
+   * @return the escaped string.
+   */
+  @VisibleForTesting
+  static String escapeSqlString(String string) {
+    return string.replaceAll("'", "''");
+  }
+
+  /**
+   * Gets a KML Point value representing a location.
+   *
+   * @param location the location
+   * @return the KML Point value.
+   */
+  public static String getKmlPoint(Location location) {
+    StringBuilder builder = new StringBuilder("<Point><coordinates>");
+    if (location != null) {
+      appendLocation(location, builder);
+    }
+    builder.append("</coordinates></Point>");
+    return builder.toString();
+  }
+
+  /**
+   * Gets a KML LineString value representing an array of locations.
+   *
+   * @param locations the locations.
+   * @return the KML LineString value.
+   */
+  public static String getKmlLineString(ArrayList<Location> locations) {
+    StringBuilder builder = new StringBuilder("<LineString><coordinates>");
+    if (locations != null) {
+      for (int i = 0; i < locations.size(); i++) {
+        if (i != 0) {
+          builder.append(' ');
+        }
+        appendLocation(locations.get(i), builder);
+      }
+    }
+    builder.append("</coordinates></LineString>");
+    return builder.toString();
+  }
+
+  /**
+   * Appends a location to a string builder using "longitude,latitude[,altitude]" format.
+   *
+   * @param location the location
+   * @param builder the string builder
+   */
+  @VisibleForTesting
+  static void appendLocation(Location location, StringBuilder builder) {
+    builder.append(location.getLongitude()).append(",").append(location.getLatitude());
+    if (location.hasAltitude()) {
+      builder.append(",");
+      builder.append(location.getAltitude());
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/gdata/AndroidGDataClient.java

@@ -0,0 +1,457 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.gdata;
+
+import com.google.wireless.gdata.client.GDataClient;
+import com.google.wireless.gdata.client.HttpException;
+import com.google.wireless.gdata.client.QueryParams;
+import com.google.wireless.gdata.data.StringUtils;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata.serializer.GDataSerializer;
+
+import android.text.TextUtils;
+import android.util.Log;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URLEncoder;
+import java.util.zip.GZIPInputStream;
+
+import org.apache.http.Header;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.StatusLine;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpUriRequest;
+import org.apache.http.entity.AbstractHttpEntity;
+import org.apache.http.entity.ByteArrayEntity;
+import org.apache.http.entity.InputStreamEntity;
+import org.apache.http.impl.client.DefaultHttpClient;
+
+/**
+ * Implementation of a GDataClient using GoogleHttpClient to make HTTP requests.
+ * Always issues GETs and POSTs, using the X-HTTP-Method-Override header when a
+ * PUT or DELETE is desired, to avoid issues with firewalls, etc., that do not
+ * allow methods other than GET or POST.
+ */
+public class AndroidGDataClient implements GDataClient {
+
+  private static final String TAG = "GDataClient";
+  private static final boolean DEBUG = false;
+ 
+  private static final String X_HTTP_METHOD_OVERRIDE = "X-HTTP-Method-Override";
+
+  private static final int MAX_REDIRECTS = 10;
+
+  private final HttpClient httpClient;
+
+  /**
+   * Interface for creating HTTP requests. Used by
+   * {@link AndroidGDataClient#createAndExecuteMethod}, since HttpUriRequest
+   * does not allow for changing the URI after creation, e.g., when you want to
+   * follow a redirect.
+   */
+  private interface HttpRequestCreator {
+    HttpUriRequest createRequest(URI uri);
+  }
+
+  private static class GetRequestCreator implements HttpRequestCreator {
+    public HttpUriRequest createRequest(URI uri) {
+      return new HttpGet(uri);
+    }
+  }
+
+  private static class PostRequestCreator implements HttpRequestCreator {
+    private final String mMethodOverride;
+    private final HttpEntity mEntity;
+
+    public PostRequestCreator(String methodOverride, HttpEntity entity) {
+      mMethodOverride = methodOverride;
+      mEntity = entity;
+    }
+
+    public HttpUriRequest createRequest(URI uri) {
+      HttpPost post = new HttpPost(uri);
+      if (mMethodOverride != null) {
+        post.addHeader(X_HTTP_METHOD_OVERRIDE, mMethodOverride);
+      }
+      post.setEntity(mEntity);
+      return post;
+    }
+  }
+
+  // MAJOR TODO: make this work across redirects (if we can reset the
+  // InputStream).
+  // OR, read the bits into a local buffer (yuck, the media could be large).
+  private static class MediaPutRequestCreator implements HttpRequestCreator {
+    private final InputStream mMediaInputStream;
+    private final String mContentType;
+
+    public MediaPutRequestCreator(InputStream mediaInputStream,
+        String contentType) {
+      mMediaInputStream = mediaInputStream;
+      mContentType = contentType;
+    }
+
+    public HttpUriRequest createRequest(URI uri) {
+      HttpPost post = new HttpPost(uri);
+      post.addHeader(X_HTTP_METHOD_OVERRIDE, "PUT");
+      InputStreamEntity entity =
+          new InputStreamEntity(mMediaInputStream, -1 /* read until EOF */);
+      entity.setContentType(mContentType);
+      post.setEntity(entity);
+      return post;
+    }
+  }
+
+  /**
+   * Creates a new AndroidGDataClient.
+   */
+  public AndroidGDataClient() {
+    httpClient = new DefaultHttpClient();
+  }
+
+  public void close() {
+  }
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see GDataClient#encodeUri(java.lang.String)
+   */
+  public String encodeUri(String uri) {
+    String encodedUri = null;
+    try {
+      encodedUri = URLEncoder.encode(uri, "UTF-8");
+    } catch (UnsupportedEncodingException uee) {
+      // Should not happen
+      throw new IllegalStateException("Cannot encode " + uri, uee);
+    }
+    return encodedUri;
+  }
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see com.google.wireless.gdata.client.GDataClient#createQueryParams()
+   */
+  public QueryParams createQueryParams() {
+    return new QueryParamsImpl();
+  }
+
+  // follows redirects
+  private InputStream createAndExecuteMethod(HttpRequestCreator creator,
+      String uriString, String authToken) throws HttpException, IOException {
+
+    HttpResponse response = null;
+    int status = 500;
+    int redirectsLeft = MAX_REDIRECTS;
+
+    URI uri;
+    try {
+      uri = new URI(uriString);
+    } catch (URISyntaxException use) {
+      Log.w(TAG, "Unable to parse " + uriString + " as URI.", use);
+      throw new IOException("Unable to parse " + uriString + " as URI: "
+          + use.getMessage());
+    }
+
+    // we follow redirects ourselves, since we want to follow redirects even on
+    // POSTs, which
+    // the HTTP library does not do. following redirects ourselves also allows
+    // us to log
+    // the redirects using our own logging.
+    while (redirectsLeft > 0) {
+
+      HttpUriRequest request = creator.createRequest(uri);
+      request.addHeader("User-Agent", "Android-GData");
+      request.addHeader("Accept-Encoding", "gzip");
+
+      // only add the auth token if not null (to allow for GData feeds that do
+      // not require
+      // authentication.)
+      if (!TextUtils.isEmpty(authToken)) {
+        request.addHeader("Authorization", "GoogleLogin auth=" + authToken);
+      }
+      if (DEBUG) {
+        for (Header h : request.getAllHeaders()) {
+          Log.v(TAG, h.getName() + ": " + h.getValue());
+        }
+        Log.d(TAG, "Executing " + request.getRequestLine().toString());
+      }
+
+      response = null;
+
+      try {
+        response = httpClient.execute(request);
+      } catch (IOException ioe) {
+        Log.w(TAG, "Unable to execute HTTP request." + ioe);
+        throw ioe;
+      }
+
+      StatusLine statusLine = response.getStatusLine();
+      if (statusLine == null) {
+        Log.w(TAG, "StatusLine is null.");
+        throw new NullPointerException(
+            "StatusLine is null -- should not happen.");
+      }
+
+      if (Log.isLoggable(TAG, Log.DEBUG)) {
+        Log.d(TAG, response.getStatusLine().toString());
+        for (Header h : response.getAllHeaders()) {
+          Log.d(TAG, h.getName() + ": " + h.getValue());
+        }
+      }
+      status = statusLine.getStatusCode();
+
+      HttpEntity entity = response.getEntity();
+
+      if ((status >= 200) && (status < 300) && entity != null) {
+        return getUngzippedContent(entity);
+      }
+
+      // TODO: handle 301, 307?
+      // TODO: let the http client handle the redirects, if we can be sure we'll
+      // never get a
+      // redirect on POST.
+      if (status == 302) {
+        // consume the content, so the connection can be closed.
+        entity.consumeContent();
+        Header location = response.getFirstHeader("Location");
+        if (location == null) {
+          if (Log.isLoggable(TAG, Log.DEBUG)) {
+            Log.d(TAG, "Redirect requested but no Location " + "specified.");
+          }
+          break;
+        }
+        if (Log.isLoggable(TAG, Log.DEBUG)) {
+          Log.d(TAG, "Following redirect to " + location.getValue());
+        }
+        try {
+          uri = new URI(location.getValue());
+        } catch (URISyntaxException use) {
+          if (Log.isLoggable(TAG, Log.DEBUG)) {
+            Log.d(TAG, "Unable to parse " + location.getValue() + " as URI.",
+                use);
+            throw new IOException("Unable to parse " + location.getValue()
+                + " as URI.");
+          }
+          break;
+        }
+        --redirectsLeft;
+      } else {
+        break;
+      }
+    }
+
+    if (Log.isLoggable(TAG, Log.VERBOSE)) {
+      Log.v(TAG, "Received " + status + " status code.");
+    }
+    String errorMessage = null;
+    HttpEntity entity = response.getEntity();
+    try {
+      if (entity != null) {
+        InputStream in = entity.getContent();
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        byte[] buf = new byte[8192];
+        int bytesRead = -1;
+        while ((bytesRead = in.read(buf)) != -1) {
+          baos.write(buf, 0, bytesRead);
+        }
+        // TODO: use appropriate encoding, picked up from Content-Type.
+        errorMessage = new String(baos.toByteArray());
+        if (Log.isLoggable(TAG, Log.VERBOSE)) {
+          Log.v(TAG, errorMessage);
+        }
+      }
+    } finally {
+      if (entity != null) {
+        entity.consumeContent();
+      }
+    }
+    String exceptionMessage = "Received " + status + " status code";
+    if (errorMessage != null) {
+      exceptionMessage += (": " + errorMessage);
+    }
+    throw new HttpException(exceptionMessage, status, null /* InputStream */);
+  }
+
+  /**
+   * Gets the input stream from a response entity.  If the entity is gzipped
+   * then this will get a stream over the uncompressed data.
+   *
+   * @param entity the entity whose content should be read
+   * @return the input stream to read from
+   * @throws IOException
+   */
+  private static InputStream getUngzippedContent(HttpEntity entity)
+      throws IOException {
+    InputStream responseStream = entity.getContent();
+    if (responseStream == null) {
+      return responseStream;
+    }
+    Header header = entity.getContentEncoding();
+    if (header == null) {
+      return responseStream;
+    }
+    String contentEncoding = header.getValue();
+    if (contentEncoding == null) {
+      return responseStream;
+    }
+    if (contentEncoding.contains("gzip")){
+      responseStream = new GZIPInputStream(responseStream);
+    }
+    return responseStream;
+  }
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see GDataClient#getFeedAsStream(java.lang.String, java.lang.String)
+   */
+  public InputStream getFeedAsStream(String feedUrl, String authToken)
+      throws HttpException, IOException {
+
+    InputStream in =
+        createAndExecuteMethod(new GetRequestCreator(), feedUrl, authToken);
+    if (in != null) {
+      return in;
+    }
+    throw new IOException("Unable to access feed.");
+  }
+
+  public InputStream getMediaEntryAsStream(String mediaEntryUrl,
+      String authToken) throws HttpException, IOException {
+
+    InputStream in =
+        createAndExecuteMethod(new GetRequestCreator(), mediaEntryUrl,
+            authToken);
+
+    if (in != null) {
+      return in;
+    }
+    throw new IOException("Unable to access media entry.");
+  }
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see GDataClient#createEntry
+   */
+  public InputStream createEntry(String feedUrl, String authToken,
+      GDataSerializer entry) throws HttpException, IOException {
+
+    HttpEntity entity =
+        createEntityForEntry(entry, GDataSerializer.FORMAT_CREATE);
+    InputStream in =
+        createAndExecuteMethod(new PostRequestCreator(null /* override */,
+            entity), feedUrl, authToken);
+    if (in != null) {
+      return in;
+    }
+    throw new IOException("Unable to create entry.");
+  }
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see GDataClient#updateEntry
+   */
+  public InputStream updateEntry(String editUri, String authToken,
+      GDataSerializer entry) throws HttpException, IOException {
+    HttpEntity entity =
+        createEntityForEntry(entry, GDataSerializer.FORMAT_UPDATE);
+    InputStream in =
+        createAndExecuteMethod(new PostRequestCreator("PUT", entity), editUri,
+            authToken);
+    if (in != null) {
+      return in;
+    }
+    throw new IOException("Unable to update entry.");
+  }
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see GDataClient#deleteEntry
+   */
+  public void deleteEntry(String editUri, String authToken)
+      throws HttpException, IOException {
+    if (StringUtils.isEmpty(editUri)) {
+      throw new IllegalArgumentException(
+          "you must specify an non-empty edit url");
+    }
+    InputStream in =
+        createAndExecuteMethod(
+            new PostRequestCreator("DELETE", null /* entity */), editUri,
+            authToken);
+    if (in == null) {
+      throw new IOException("Unable to delete entry.");
+    }
+    try {
+      in.close();
+    } catch (IOException ioe) {
+      // ignore
+    }
+  }
+
+  public InputStream updateMediaEntry(String editUri, String authToken,
+      InputStream mediaEntryInputStream, String contentType)
+      throws HttpException, IOException {
+    InputStream in =
+        createAndExecuteMethod(new MediaPutRequestCreator(
+            mediaEntryInputStream, contentType), editUri, authToken);
+    if (in != null) {
+      return in;
+    }
+    throw new IOException("Unable to write media entry.");
+  }
+
+  private HttpEntity createEntityForEntry(GDataSerializer entry, int format)
+      throws IOException {
+    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    try {
+      entry.serialize(baos, format);
+    } catch (IOException ioe) {
+      Log.e(TAG, "Unable to serialize entry.", ioe);
+      throw ioe;
+    } catch (ParseException pe) {
+      Log.e(TAG, "Unable to serialize entry.", pe);
+      throw new IOException("Unable to serialize entry: " + pe.getMessage());
+    }
+
+    byte[] entryBytes = baos.toByteArray();
+
+    if (entryBytes != null && Log.isLoggable(TAG, Log.DEBUG)) {
+      try {
+        Log.d(TAG, "Serialized entry: " + new String(entryBytes, "UTF-8"));
+      } catch (UnsupportedEncodingException uee) {
+        // should not happen
+        throw new IllegalStateException("UTF-8 should be supported!", uee);
+      }
+    }
+
+    AbstractHttpEntity entity = new ByteArrayEntity(entryBytes);
+    entity.setContentType(entry.getContentType());
+    return entity;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/gdata/GDataClientFactory.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.gdata;
+
+import com.google.wireless.gdata.client.GDataClient;
+
+import android.content.Context;
+import android.util.Log;
+
+/**
+ * This factory will fetch the right class for the platform.
+ * 
+ * @author Sandor Dornbush
+ */
+public class GDataClientFactory {
+
+  private static final String TAG = GDataClientFactory.class.getSimpleName();
+  
+  private GDataClientFactory() { }
+
+  /**
+   * Creates a new GData client.
+   * This factory will fetch the right class for the platform.
+   * @return A GDataClient appropriate for this platform
+   */
+  public static GDataClient getGDataClient(Context context) {
+    // TODO This should be moved into ApiAdapter
+    try {
+      // Try to use the official unbundled gdata client implementation.
+      // This should work on Froyo and beyond.
+      return new com.google.android.common.gdata.AndroidGDataClient(context);
+    } catch (LinkageError e) {
+      // On all other platforms use the client implementation packaged in the
+      // apk.
+      Log.i(TAG, "Using mytracks AndroidGDataClient.", e);
+      return new com.google.android.apps.mytracks.io.gdata.AndroidGDataClient();
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/gdata/QueryParamsImpl.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2010 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.io.gdata;
+
+import com.google.wireless.gdata.client.QueryParams;
+
+import android.text.TextUtils;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Simple implementation of the QueryParams interface.
+ */
+// TODO: deal with categories
+public class QueryParamsImpl extends QueryParams {
+
+  private final Map<String, String> mParams = new HashMap<String, String>();
+
+  @Override
+  public void clear() {
+    setEntryId(null);
+    mParams.clear();
+  }
+
+  @Override
+  public String generateQueryUrl(String feedUrl) {
+
+    if (TextUtils.isEmpty(getEntryId()) && mParams.isEmpty()) {
+      // nothing to do
+      return feedUrl;
+    }
+
+    // handle entry IDs
+    if (!TextUtils.isEmpty(getEntryId())) {
+      if (!mParams.isEmpty()) {
+        throw new IllegalStateException("Cannot set both an entry ID "
+            + "and other query paramters.");
+      }
+      return feedUrl + '/' + getEntryId();
+    }
+
+    // otherwise, append the querystring params.
+    StringBuilder sb = new StringBuilder();
+    sb.append(feedUrl);
+    Set<String> params = mParams.keySet();
+    boolean first = true;
+    if (feedUrl.contains("?")) {
+      first = false;
+    } else {
+      sb.append('?');
+    }
+    for (String param : params) {
+      if (first) {
+        first = false;
+      } else {
+        sb.append('&');
+      }
+      sb.append(param);
+      sb.append('=');
+      String value = mParams.get(param);
+      String encodedValue = null;
+
+      try {
+        encodedValue = URLEncoder.encode(value, "UTF-8");
+      } catch (UnsupportedEncodingException uee) {
+        // Should not happen
+        throw new IllegalStateException("Cannot encode " + value, uee);
+      }
+      sb.append(encodedValue);
+    }
+    return sb.toString();
+  }
+
+  @Override
+  public String getParamValue(String param) {
+    if (!(mParams.containsKey(param))) {
+      return null;
+    }
+    return mParams.get(param);
+  }
+
+  @Override
+  public void setParamValue(String param, String value) {
+    mParams.put(param, value);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/gdata/maps/MapFeatureEntry.java

@@ -0,0 +1,36 @@
+// Copyright 2010 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+import com.google.wireless.gdata.data.Entry;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * GData entry for a map feature.
+ */
+public class MapFeatureEntry extends Entry {
+
+  private String mPrivacy = null;
+  private Map<String, String> mAttributes = new HashMap<String, String>();
+
+  public void setPrivacy(String privacy) {
+    mPrivacy = privacy;
+  }
+
+  public String getPrivacy() {
+    return mPrivacy;
+  }
+
+  public void setAttribute(String name, String value) {
+    mAttributes.put(name, value);
+  }
+
+  public void removeAttribute(String name) {
+    mAttributes.remove(name);
+  }
+
+  public Map<String, String> getAllAttributes() {
+    return mAttributes;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/gdata/maps/MapsClient.java

@@ -0,0 +1,102 @@
+// Copyright 2010 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+import com.google.wireless.gdata.client.GDataClient;
+import com.google.wireless.gdata.client.GDataParserFactory;
+import com.google.wireless.gdata.client.GDataServiceClient;
+
+import android.util.Log;
+
+import java.util.Locale;
+
+/**
+ * Client to talk to Google Maps via GData.
+ */
+public class MapsClient extends GDataServiceClient {
+  private static final boolean DEBUG = false;
+  public static final boolean LOG_COMMUNICATION = false;
+
+  private static final String MAPS_BASE_FEED_URL =
+      "http://maps.google.com/maps/feeds/";
+  private static final String MAPS_MAP_FEED_PATH = "maps/default/full";
+  private static final String MAPS_FEATURE_FEED_PATH_BEFORE_MAPID = "features/";
+  private static final String MAPS_FEATURE_FEED_PATH_AFTER_MAPID = "/full";
+  private static final String MAPS_VERSION_FEED_PATH_FORMAT =
+      "%smaps/%s/versions/%s/full/%s";
+
+  private static final String MAP_ENTRY_ID_BEFORE_USER_ID = "maps/feeds/maps/";
+  private static final String MAP_ENTRY_ID_BETWEEN_USER_ID_AND_MAP_ID = "/";
+  private static final String V2_ONLY_PARAM = "?v=2.0";
+
+  public MapsClient(GDataClient dataClient,
+      GDataParserFactory dataParserFactory) {
+    super(dataClient, dataParserFactory);
+  }
+
+  @Override
+  public String getServiceName() {
+    return MapsConstants.SERVICE_NAME;
+  }
+
+  public static String buildMapUrl(String mapId) {
+    return MapsConstants.MAPSHOP_BASE_URL + "?msa=0&msid=" + mapId;
+  }
+
+  public static String getMapsFeed() {
+    if (DEBUG) {
+      Log.d("Maps Client", "Requesting map feed:");
+    }
+    return MAPS_BASE_FEED_URL + MAPS_MAP_FEED_PATH + V2_ONLY_PARAM;
+  }
+
+  public static String getFeaturesFeed(String mapid) {
+    StringBuilder feed = new StringBuilder();
+    feed.append(MAPS_BASE_FEED_URL);
+    feed.append(MAPS_FEATURE_FEED_PATH_BEFORE_MAPID);
+    feed.append(mapid);
+    feed.append(MAPS_FEATURE_FEED_PATH_AFTER_MAPID);
+    feed.append(V2_ONLY_PARAM);
+    return feed.toString();
+  }
+
+  public static String getMapIdFromMapEntryId(String entryId) {
+    String userId = null;
+    String mapId = null;
+    if (DEBUG) {
+      Log.d("Maps GData Client", "Getting mapid from entry id: " + entryId);
+    }
+    int userIdStart =
+        entryId.indexOf(MAP_ENTRY_ID_BEFORE_USER_ID)
+            + MAP_ENTRY_ID_BEFORE_USER_ID.length();
+    int userIdEnd =
+        entryId.indexOf(MAP_ENTRY_ID_BETWEEN_USER_ID_AND_MAP_ID, userIdStart);
+    if (userIdStart >= 0 && userIdEnd < entryId.length()
+        && userIdStart <= userIdEnd) {
+      userId = entryId.substring(userIdStart, userIdEnd);
+    }
+    int mapIdStart =
+        entryId.indexOf(MAP_ENTRY_ID_BETWEEN_USER_ID_AND_MAP_ID, userIdEnd)
+            + MAP_ENTRY_ID_BETWEEN_USER_ID_AND_MAP_ID.length();
+    if (mapIdStart >= 0 && mapIdStart < entryId.length()) {
+      mapId = entryId.substring(mapIdStart);
+    }
+    if (userId == null) {
+      userId = "";
+    }
+    if (mapId == null) {
+      mapId = "";
+    }
+    if (DEBUG) {
+      Log.d("Maps GData Client", "Got user id: " + userId);
+      Log.d("Maps GData Client", "Got map id: " + mapId);
+    }
+    return userId + "." + mapId;
+  }
+
+  public static String getVersionFeed(String versionUserId,
+      String versionClient, String currentVersion) {
+    return String.format(Locale.US, MAPS_VERSION_FEED_PATH_FORMAT, MAPS_BASE_FEED_URL,
+        versionUserId, versionClient, currentVersion);
+  }
+
+}

MyTracks/src/com/google/android/apps/mytracks/io/gdata/maps/MapsConstants.java

@@ -0,0 +1,16 @@
+// Copyright 2009 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+/**
+ * Constants for Google Maps.
+ */
+public class MapsConstants {
+  static final String MAPSHOP_BASE_URL =
+      "https://maps.google.com/maps/ms";
+  public static final String SERVICE_NAME = "local";
+
+  /**
+   * Private constructor to prevent instantiation.
+   */
+  private MapsConstants() { }
+}

MyTracks/src/com/google/android/apps/mytracks/io/gdata/maps/MapsFeature.java

@@ -0,0 +1,219 @@
+// Copyright 2009 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+import android.location.Location;
+
+import java.util.Random;
+import java.util.Vector;
+
+/**
+ * MapsFeature contains all of the data associated with a feature in Google
+ * Maps, where a feature is a marker, line, or shape. Some of the data is stored
+ * in a {@link MapsFeatureMetadata} object so that it can be more efficiently
+ * transmitted to other activities.
+ */
+public class MapsFeature {
+
+  /** A marker feature displays an icon at a single point on the map. */
+  public static final int MARKER = 0;
+
+  /**
+   * A line feature displays a line connecting a set of points on the map.
+   */
+  public static final int LINE = 1;
+
+  /**
+   * A shape feature displays a border defined by connecting a set of points,
+   * including connecting the last to the first, and displays the area
+   * confined by this border.
+   */
+  public static final int SHAPE = 2;
+
+  /** The local feature id for this feature, if needed. */
+  private String androidId;
+
+  // Points of this feature in order.
+  private final Vector<Location> points = new Vector<Location>();
+  
+  /** The metadata of this feature in a format efficient for transmission. */
+  private MapsFeatureMetadata featureInfo = new MapsFeatureMetadata();
+
+  private final Random random = new Random();
+
+  /**
+   * Initializes a valid but empty feature. It will default to a
+   * {@link #MARKER} with a blue placemark with a dot as an icon at the
+   * location (0, 0).
+   */
+  public MapsFeature() {
+  }
+
+  /**
+   * Adds a new point to the end of this feature.
+   *
+   * @param location the new point to add
+   */
+  public void addPoint(Location location) {
+    points.add(location);
+  }
+
+  /**
+   * Generates a new local id for this feature based on the current time and
+   * a random number.
+   */
+  public void generateAndroidId() {
+    long time = System.currentTimeMillis();
+    int rand = random.nextInt(10000);
+    androidId = time + "." + rand;
+  }
+
+  /**
+   * Retrieves the current local id for this feature if one is available.
+   *
+   * @return The local id for this feature
+   */
+  public String getAndroidId() {
+    return androidId;
+  }
+
+  /**
+   * Retrieves the current (html) description of this feature. The description
+   * is stored in the feature metadata.
+   *
+   * @return The description of this feature
+   */
+  public String getDescription() {
+    return featureInfo.getDescription();
+  }
+
+  /**
+   * Sets the description of this feature. That description is stored in the
+   * feature metadata.
+   *
+   * @param description The new description of this feature
+   */
+  public void setDescription(String description) {
+    featureInfo.setDescription(description);
+  }
+
+  /**
+   * Gets the point at a given index.
+   *
+   * @param index the index
+   */
+  public Location getPoint(int index) {
+    if (index >= points.size()) {
+      return null;
+    }
+    return points.get(index);
+  }
+ 
+  /**
+   * Gets the number of points.
+   */
+  public int getPointCount() {
+    return points.size();
+  }
+
+  /**
+   * Retrieves the title of this feature. That title is stored in the feature
+   * metadata.
+   *
+   * @return the current title of this feature
+   */
+  public String getTitle() {
+    return featureInfo.getTitle();
+  }
+
+  /**
+   * Retrieves the type of this feature. That type is stored in the feature
+   * metadata.
+   *
+   * @return One of {@link #MARKER}, {@link #LINE}, or {@link #SHAPE}
+   *         identifying the type of this feature
+   */
+  public int getType() {
+    return featureInfo.getType();
+  }
+
+  /**
+   * Retrieves the current color of this feature as an ARGB color integer.
+   * That color is stored in the feature metadata.
+   *
+   * @return The ARGB color of this feature
+   */
+  public int getColor() {
+    return featureInfo.getColor();
+  }
+
+  /**
+   * Retrieves the current line width of this feature. That line width is
+   * stored in the feature metadata.
+   *
+   * @return The line width of this feature
+   */
+  public int getLineWidth() {
+    return featureInfo.getLineWidth();
+  }
+
+  /**
+   * Retrieves the current fill color of this feature as an ARGB color
+   * integer. That color is stored in the feature metadata.
+   *
+   * @return The ARGB fill color of this feature
+   */
+  public int getFillColor() {
+    return featureInfo.getFillColor();
+  }
+
+  /**
+   * Retrieves the current icon url of this feature. That icon url is stored
+   * in the feature metadata.
+   *
+   * @return The icon url for this feature
+   */
+  public String getIconUrl() {
+    return featureInfo.getIconUrl();
+  }
+
+  /**
+   * Sets the title of this feature. That title is stored in the feature
+   * metadata.
+   *
+   * @param title The new title of this feature
+   */
+  public void setTitle(String title) {
+    featureInfo.setTitle(title);
+  }
+
+  /**
+   * Sets the type of this feature. That type is stored in the feature
+   * metadata.
+   *
+   * @param type The new type of the feature. That type must be one of
+   *        {@link #MARKER}, {@link #LINE}, or {@link #SHAPE}
+   */
+  public void setType(int type) {
+    featureInfo.setType(type);
+  }
+
+  /**
+   * Sets the ARGB color of this feature. That color is stored in the feature
+   * metadata.
+   *
+   * @param color The new ARGB color of this feature
+   */
+  public void setColor(int color) {
+    featureInfo.setColor(color);
+  }
+
+  /**
+   * Sets the icon url of this feature. That icon url is stored in the feature
+   * metadata.
+   *
+   * @param url The new icon url of the feature
+   */
+  public void setIconUrl(String url) {
+    featureInfo.setIconUrl(url);
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/gdata/maps/MapsFeatureMetadata.java

@@ -0,0 +1,88 @@
+// Copyright 2009 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+
+/**
+ * Metadata about a maps feature.
+ */
+class MapsFeatureMetadata {
+
+  private static final String BLUE_DOT_URL =
+      "http://maps.google.com/mapfiles/ms/micons/blue-dot.png";
+  private static final int DEFAULT_COLOR = 0x800000FF;
+  private static final int DEFAULT_FILL_COLOR = 0xC00000FF;
+
+  private String title;
+  private String description;
+  private int type;
+  private int color;
+  private int lineWidth;
+  private int fillColor;
+  private String iconUrl;
+
+  public MapsFeatureMetadata() {
+    title = "";
+    description = "";
+    type = MapsFeature.MARKER;
+    color = DEFAULT_COLOR;
+    lineWidth = 5;
+    fillColor = DEFAULT_FILL_COLOR;
+    iconUrl = BLUE_DOT_URL;
+  }
+
+  public String getTitle() {
+    return title;
+  }
+
+  public void setTitle(String title) {
+    this.title = title;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public int getType() {
+    return type;
+  }
+
+  public void setType(int type) {
+    this.type = type;
+  }
+
+  public int getColor() {
+    return color;
+  }
+
+  public void setColor(int color) {
+    this.color = color;
+  }
+
+  public int getLineWidth() {
+    return lineWidth;
+  }
+
+  public void setLineWidth(int width) {
+    lineWidth = width;
+  }
+
+  public int getFillColor() {
+    return fillColor;
+  }
+
+  public void setFillColor(int color) {
+    fillColor = color;
+  }
+
+  public String getIconUrl() {
+    return iconUrl;
+  }
+
+  public void setIconUrl(String url) {
+    iconUrl = url;
+  }
+}