Add menu option for merge and play

MyTracks/res/menu/map.xml

@@ -17,7 +17,7 @@ limitations under the License.
 <menu xmlns:android="http://schemas.android.com/apk/res/android" >
   <item
     android:icon="@drawable/ic_menu_map_layer"
-    android:orderInCategory="6"
+    android:orderInCategory="7"
     android:showAsAction="ifRoom"
     android:title="@string/menu_map_layer">
     <menu>

MyTracks/res/menu/track_detail.xml

@@ -44,50 +44,55 @@ limitations under the License.
     android:id="@+id/track_detail_markers"
     android:orderInCategory="5"
     android:title="@string/menu_markers"/>
-  <!-- android:orderInCategory="6" is in map.xml -->
+  <item
+    android:icon="@drawable/ic_menu_merge"
+    android:id="@+id/track_detail_merge"
+    android:orderInCategory="6"
+    android:title="@string/menu_merge"/>    
+  <!-- android:orderInCategory="7" is in map.xml -->
   <item
     android:icon="@drawable/ic_menu_export"
     android:id="@+id/track_detail_export"
-    android:orderInCategory="7"
+    android:orderInCategory="8"
     android:title="@string/menu_export"/>
   <item
     android:icon="@drawable/ic_menu_edit"
     android:id="@+id/track_detail_edit"
-    android:orderInCategory="8"
+    android:orderInCategory="9"
     android:title="@string/menu_edit"/>
   <item
     android:icon="@drawable/ic_menu_delete"
     android:id="@+id/track_detail_delete"
-    android:orderInCategory="9"
+    android:orderInCategory="10"
     android:title="@string/menu_delete"/>
   <item
     android:icon="@drawable/ic_menu_voice_frequency"
     android:id="@+id/track_detail_voice_frequency"
-    android:orderInCategory="10"
+    android:orderInCategory="11"
     android:title="@string/menu_voice_frequency"/>
   <item
     android:icon="@drawable/ic_menu_split_frequency"
     android:id="@+id/track_detail_split_frequency"
-    android:orderInCategory="11"
+    android:orderInCategory="12"
     android:title="@string/menu_split_frequency"/>
   <item
     android:icon="@drawable/ic_menu_sensor_state"
     android:id="@+id/track_detail_sensor_state"
-    android:orderInCategory="12"
+    android:orderInCategory="13"
     android:title="@string/menu_sensor_state"/>
   <item
     android:icon="@drawable/ic_menu_settings"
     android:id="@+id/track_detail_settings"
-    android:orderInCategory="13"
+    android:orderInCategory="14"
     android:title="@string/menu_settings"/>
   <item
     android:icon="@drawable/ic_menu_feedback"
     android:id="@+id/track_detail_feedback"
-    android:orderInCategory="14"
+    android:orderInCategory="15"
     android:title="@string/menu_feedback"/>
   <item
     android:icon="@drawable/ic_menu_help"
     android:id="@+id/track_detail_help"
-    android:orderInCategory="15"
+    android:orderInCategory="16"
     android:title="@string/menu_help"/>
 </menu>

MyTracks/res/menu/track_list.xml

@@ -26,6 +26,10 @@ limitations under the License.
     android:id="@+id/track_list_start_gps"
     android:showAsAction="ifRoom"
     android:title="@string/menu_start_gps"/>
+  <item
+    android:icon="@drawable/ic_menu_merge"
+    android:id="@+id/track_list_merge"
+    android:title="@string/menu_merge"/>
   <item
     android:icon="@drawable/ic_menu_refresh"
     android:id="@+id/track_list_refresh"

MyTracks/res/values/strings.xml

@@ -1158,6 +1158,12 @@ limitations under the License.
       Character limit: ~20 (1 line)">
     Markers
   </string>
+  <string name="menu_merge"
+    translation_description="In the menu, to merge and play tracks.
+
+      Character limit: ~20 (1 line)">
+    Merge &amp; play
+  </string>
   <string name="menu_play"
     translation_description="In the menu, to play a track.
 

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

@@ -25,6 +25,7 @@ import com.google.android.apps.mytracks.fragments.ConfirmDeleteDialogFragment.Co
 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.MergeDialogFragment.MergeCaller;
 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;
@@ -70,7 +71,7 @@ import java.io.IOException;
  */
 public abstract class AbstractSendToGoogleActivity extends AbstractMyTracksActivity implements
     ChooseAccountCaller, ConfirmSyncCaller, CheckPermissionCaller, ShareTrackCaller,
-    ConfirmDeleteCaller {
+    ConfirmDeleteCaller, MergeCaller {
 
   private static final String TAG = AbstractMyTracksActivity.class.getSimpleName();
   private static final String SEND_REQUEST_KEY = "send_request_key";
@@ -97,8 +98,43 @@ public abstract class AbstractSendToGoogleActivity extends AbstractMyTracksActiv
     outState.putParcelable(SEND_REQUEST_KEY, sendRequest);
   }
 
+  @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);
+    }
+  }
+
   /**
-   * Share a track.
+   * Shares a track.
    * 
    * @param trackId the track id
    */
@@ -131,7 +167,8 @@ public abstract class AbstractSendToGoogleActivity extends AbstractMyTracksActiv
     }
     sendRequest.setAccount(new Account(googleAccount, Constants.ACCOUNT_TYPE));
   
-    if (sendRequest.isSendDrive() && sendRequest.isDriveSync() && sendRequest.isDriveSyncConfirm()) {
+    if (sendRequest.isSendDrive() && sendRequest.isDriveSync()
+        && sendRequest.isDriveSyncConfirm()) {
       new ConfirmSyncDialogFragment().show(
           getSupportFragmentManager(), ConfirmSyncDialogFragment.CONFIRM_SYNC_DIALOG_TAG);
     } else {
@@ -191,41 +228,6 @@ public abstract class AbstractSendToGoogleActivity extends AbstractMyTracksActiv
     }
   }
 
-  @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()) {
@@ -359,34 +361,11 @@ public abstract class AbstractSendToGoogleActivity extends AbstractMyTracksActiv
     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;
@@ -409,4 +388,32 @@ public abstract class AbstractSendToGoogleActivity extends AbstractMyTracksActiv
     intent.putExtra(DeleteActivity.EXTRA_TRACK_IDS, trackIds);
     startActivityForResult(intent, DELETE_REQUEST_CODE);
   }
+
+  abstract protected TrackRecordingServiceConnection getTrackRecordingServiceConnection();
+
+  abstract protected void onDeleted();
+
+  /**
+   * 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);
+    }
+  }
+
+  @Override
+  public void onMergeDone(long[] trackIds) {
+    playTrack(trackIds);
+  }
 }

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

@@ -30,6 +30,7 @@ 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.MergeDialogFragment;
 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;
@@ -426,6 +427,10 @@ public class TrackDetailActivity extends AbstractSendToGoogleActivity
             .putExtra(MarkerListActivity.EXTRA_TRACK_ID, trackId);
         startActivity(intent);
         return true;
+      case R.id.track_detail_merge:
+        MergeDialogFragment.newInstance(trackId)
+            .show(getSupportFragmentManager(), MergeDialogFragment.MERGE_DIALOG_TAG);
+        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)

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

@@ -26,6 +26,7 @@ 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.fragments.MergeDialogFragment;
 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;
@@ -46,6 +47,7 @@ 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.apps.mytracks.util.TrackUtils;
 import com.google.android.gms.common.ConnectionResult;
 import com.google.android.gms.common.GooglePlayServicesUtil;
 import com.google.android.maps.mytracks.BuildConfig;
@@ -275,8 +277,7 @@ public class TrackListActivity extends AbstractSendToGoogleActivity
       @Override
     public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
       return new CursorLoader(TrackListActivity.this, TracksColumns.CONTENT_URI, PROJECTION, null,
-          null,
+          null, TrackUtils.TRACK_SORT_ORDER);
-          "IFNULL(" + TracksColumns.SHAREDWITHME + ",0) ASC, " + TracksColumns.STARTTIME + " DESC");
     }
 
       @Override
@@ -531,6 +532,10 @@ public class TrackListActivity extends AbstractSendToGoogleActivity
         }
         myTracksLocationManager.close();
         return true;
+      case R.id.track_list_merge:
+        MergeDialogFragment.newInstance(-1L)
+            .show(getSupportFragmentManager(), MergeDialogFragment.MERGE_DIALOG_TAG);
+        return true;
       case R.id.track_list_refresh:
         if (driveSync) {
           SyncUtils.syncNow(this);

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

@@ -0,0 +1,136 @@
+/*
+ * 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.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.util.TrackUtils;
+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.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.util.SparseBooleanArray;
+
+import java.util.ArrayList;
+
+/**
+ * A DialogFragment to merge and play tracks.
+ * 
+ * @author Jimmy Shih
+ */
+public class MergeDialogFragment extends DialogFragment {
+
+  public static final String MERGE_DIALOG_TAG = "mergeDialog";
+
+  /**
+   * Interface for caller of this dialog fragment.
+   * 
+   * @author Jimmy Shih
+   */
+  public interface MergeCaller {
+
+    /**
+     * Called when merge is done.
+     */
+    public void onMergeDone(long[] trackIds);
+  }
+
+  private static final String KEY_TRACK_ID = "trackId";
+
+  public static MergeDialogFragment newInstance(long trackId) {
+    Bundle bundle = new Bundle();
+    bundle.putLong(KEY_TRACK_ID, trackId);
+
+    MergeDialogFragment fragment = new MergeDialogFragment();
+    fragment.setArguments(bundle);
+    return fragment;
+  }
+
+  private MergeCaller caller;
+  private String[] items;
+  private boolean[] checkedItems;
+  private long[] trackIds;
+
+  @Override
+  public void onAttach(Activity activity) {
+    super.onAttach(activity);
+    try {
+      caller = (MergeCaller) activity;
+    } catch (ClassCastException e) {
+      throw new ClassCastException(
+          activity.toString() + " must implement " + MergeCaller.class.getSimpleName());
+    }
+  }
+
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    loadData();
+    return new AlertDialog.Builder(getActivity()).setMultiChoiceItems(items, checkedItems, null)
+        .setNegativeButton(R.string.generic_cancel, null)
+        .setPositiveButton(R.string.menu_play, new DialogInterface.OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            SparseBooleanArray array = ((AlertDialog) dialog).getListView()
+                .getCheckedItemPositions();
+            caller.onMergeDone(getChecked(array));
+          }
+        }).setTitle(R.string.menu_merge).create();
+  }
+
+  private long[] getChecked(SparseBooleanArray array) {
+    ArrayList<Long> checked = new ArrayList<Long>();
+    for (int i = 0; i < array.size(); i++) {
+      if (array.valueAt(i)) {
+        checked.add(trackIds[i]);
+      }
+    }
+    long[] result = new long[checked.size()];
+    for (int i = 0; i < checked.size(); i++) {
+      result[i] = checked.get(i).longValue();
+    }
+    return result;
+  }
+
+  private void loadData() {
+    long trackId = getArguments().getLong(KEY_TRACK_ID);
+    MyTracksProviderUtils myTracksProviderUtils = MyTracksProviderUtils.Factory.get(getActivity());
+    Cursor cursor = myTracksProviderUtils.getTrackCursor(null, null, TrackUtils.TRACK_SORT_ORDER);
+
+    if (cursor == null) {
+      items = new String[] {};
+      checkedItems = new boolean[] {};
+      trackIds = new long[] {};
+    } else {
+      int count = cursor.getCount();
+      items = new String[count];
+      checkedItems = new boolean[count];
+      trackIds = new long[count];
+      for (int i = 0; i < count; i++) {
+        cursor.moveToPosition(i);
+        Track track = myTracksProviderUtils.createTrack(cursor);
+        items[i] = track.getName();
+        checkedItems[i] = trackId != -1L && track.getId() == trackId;
+        trackIds[i] = track.getId();
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/util/TrackUtils.java

@@ -18,6 +18,7 @@ package com.google.android.apps.mytracks.util;
 
 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.services.TrackRecordingServiceConnection;
 import com.google.android.maps.mytracks.R;
 
@@ -32,6 +33,9 @@ public class TrackUtils {
 
   private TrackUtils() {}
 
+  public static String TRACK_SORT_ORDER = "IFNULL(" + TracksColumns.SHAREDWITHME + ",0) ASC, "
+      + TracksColumns.STARTTIME + " DESC";
+
   public static void updateTrack(Context context, Track track, String name, String category,
       String description, MyTracksProviderUtils myTracksProviderUtils,
       TrackRecordingServiceConnection trackRecordingServiceConnection, boolean newWeight) {