Add a class to check the send result in Google Maps, Docs and Fusion Tables.

Change the code to give an activity to each track.
Change the way to initialize the static fields in EndToEndTestUtils.

MyTracks/src/com/google/android/apps/mytracks/io/backup/Api8BackupPreferencesListener.java

@@ -0,0 +1,43 @@
+/*
+ * 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.annotation.TargetApi;
+import android.app.backup.BackupManager;
+import android.content.Context;
+import android.content.SharedPreferences;
+
+/**
+ * Implementation of {@link BackupPreferencesListener} that calls the
+ * {@link BackupManager}. <br>
+ * For API Level 8 or higher.
+ *
+ * @author Jimmy Shih
+ */
+@TargetApi(8)
+public class Api8BackupPreferencesListener implements BackupPreferencesListener {
+
+  private final BackupManager backupManager;
+
+  public Api8BackupPreferencesListener(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/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.sd_card_save_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.isSdCardAvailable()) {
+      messageId = R.string.sd_card_error_no_storage;
+      return false;
+    }
+
+    if (!externalFileBackup.isBackupsDirectoryAvailable(true)) {
+      messageId = R.string.sd_card_save_error_create_dir;
+      return false;
+    }
+
+    try {
+      externalFileBackup.writeToDefaultFile();
+      messageId = R.string.sd_card_save_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 +1,27 @@
+/*
+ * 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 android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+
+/**
+ * Shared preferences listener which notifies the backup system about new data
+ * being available for backup.
+ *
+ * @author Rodrigo Damazio
+ */
+public interface BackupPreferencesListener extends OnSharedPreferenceChangeListener {
+}

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 +1,264 @@
+/*
+ * 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 static com.google.android.apps.mytracks.Constants.TAG;
+
+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.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 {
+  // Filename format - in UTC
+  private static final SimpleDateFormat BACKUP_FILENAME_FORMAT =
+      new SimpleDateFormat("'backup-'yyyy-MM-dd_HH-mm-ss'.zip'");
+  static {
+    BACKUP_FILENAME_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
+  }
+
+  private static final String BACKUPS_SUBDIR = "backups";
+  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 dirName = FileUtils.buildExternalDirectoryPath(BACKUPS_SUBDIR);
+    final File dir = new File(dirName);
+    Log.d(Constants.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 dir.isDirectory() ? 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(Constants.TAG,
+        "Writing backup to file " + outputFile.getAbsolutePath());
+
+    // Create all the auxiliary classes that will do the writing
+    PreferenceBackupHelper preferencesHelper = new PreferenceBackupHelper();
+    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 = contentResolver.query(
+          TracksColumns.CONTENT_URI, null, null, null, null);
+      try {
+        trackDumper.writeAllRows(tracksCursor, outWriter);
+      } finally {
+        tracksCursor.close();
+      }
+
+      Cursor waypointsCursor = contentResolver.query(
+          WaypointsColumns.CONTENT_URI, null, null, null, null);
+      try {
+        waypointDumper.writeAllRows(waypointsCursor, outWriter);
+      } finally {
+        waypointsCursor.close();
+      }
+
+      Cursor pointsCursor = contentResolver.query(
+          TrackPointsColumns.CONTENT_URI, null, null, null, null);
+      try {
+        pointDumper.writeAllRows(pointsCursor, outWriter);
+      } finally {
+        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(Constants.TAG,
+        "Restoring from file " + inputFile.getAbsolutePath());
+
+    PreferenceBackupHelper preferencesHelper = new PreferenceBackupHelper();
+    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 +1,101 @@
+/*
+ * 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.annotation.TargetApi;
+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
+ */
+@TargetApi(8)
+public class MyTracksBackupAgent extends BackupAgent {
+  private static final String PREFERENCES_ENTITY = "prefs";
+
+  @Override
+  public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data,
+      ParcelFileDescriptor newState) throws IOException {
+    Log.i(Constants.TAG, "Performing backup");
+    SharedPreferences preferences = this.getSharedPreferences(
+        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
+
+    backupPreferences(data, preferences);
+    Log.i(Constants.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();
+  }
+
+  @Override
+  public void onRestore(BackupDataInput data, int appVersionCode,
+      ParcelFileDescriptor newState) throws IOException {
+    Log.i(Constants.TAG, "Restoring from backup");
+    while (data.readNextHeader()) {
+      String key = data.getKey();
+      Log.d(Constants.TAG, "Restoring entity " + key);
+      if (key.equals(PREFERENCES_ENTITY)) {
+        restorePreferences(data);
+      } else {
+        Log.e(Constants.TAG, "Found unknown backup entity: " + key);
+        data.skipEntityData();
+      }
+    }
+    Log.i(Constants.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 +1,174 @@
+/*
+ * 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 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.Map;
+
+/**
+ * Helper for backing up and restoring shared preferences.
+ *
+ * @author Rodrigo Damazio
+ */
+class PreferenceBackupHelper {
+
+  private static final int BUFFER_SIZE = 2048;
+
+  /**
+   * 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();
+
+    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 {
+    switch (typeId) {
+      case ContentTypeIds.BOOLEAN_TYPE_ID:
+        editor.putBoolean(name, reader.readBoolean());
+        return;
+      case ContentTypeIds.LONG_TYPE_ID:
+        editor.putLong(name, reader.readLong());
+        return;
+      case ContentTypeIds.FLOAT_TYPE_ID:
+        editor.putFloat(name, reader.readFloat());
+        return;
+      case ContentTypeIds.INT_TYPE_ID:
+        editor.putInt(name, reader.readInt());
+        return;
+      case ContentTypeIds.STRING_TYPE_ID:
+        editor.putString(name, reader.readUTF());
+        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 +1,104 @@
+/*
+ * 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.io.backup;
+
+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.sd_card_import_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 {
+      externalFileBackup.restoreFromDate(date);
+      messageId = R.string.sd_card_import_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 +1,121 @@
+/*
+ * 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.isSdCardAvailable()) {
+      Toast.makeText(this, R.string.sd_card_error_no_storage, Toast.LENGTH_LONG).show();
+      finish();
+      return;
+    }
+
+    if (!externalFileBackup.isBackupsDirectoryAvailable(false)) {
+      Toast.makeText(this, R.string.settings_backup_restore_no_backup, Toast.LENGTH_LONG).show();
+      finish();
+      return;
+    }
+
+    backupDates = externalFileBackup.getAvailableBackups();
+    if (backupDates == null || backupDates.length == 0) {
+      Toast.makeText(this, R.string.settings_backup_restore_no_backup, Toast.LENGTH_LONG).show();
+      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();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/docs/SendDocsActivity.java

@@ -0,0 +1,52 @@
+/*
+ * 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.docs;
+
+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.util.IntentUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.content.Intent;
+
+/**
+ * An activity to send a track to Google Docs.
+ *
+ * @author Jimmy Shih
+ */
+public class SendDocsActivity extends AbstractSendActivity {
+
+  @Override
+  protected AbstractSendAsyncTask createAsyncTask() {
+    return new SendDocsAsyncTask(this, sendRequest.getTrackId(), sendRequest.getAccount());
+  }
+
+  @Override
+  protected String getServiceName() {
+    return getString(R.string.send_google_docs);
+  }
+
+  @Override
+  protected void startNextActivity(boolean success, boolean isCancel) {
+    sendRequest.setDocsSuccess(success);
+    Intent intent = IntentUtils.newIntent(this, UploadResultActivity.class)
+        .putExtra(SendRequest.SEND_REQUEST_KEY, sendRequest);
+    startActivity(intent);
+    finish();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/docs/SendDocsAsyncTask.java

@@ -0,0 +1,324 @@
+/*
+ * 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.docs;
+
+import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.io.gdata.GDataClientFactory;
+import com.google.android.apps.mytracks.io.gdata.docs.DocumentsClient;
+import com.google.android.apps.mytracks.io.gdata.docs.SpreadsheetsClient;
+import com.google.android.apps.mytracks.io.gdata.docs.XmlDocsGDataParserFactory;
+import com.google.android.apps.mytracks.io.sendtogoogle.AbstractSendAsyncTask;
+import com.google.android.common.gdata.AndroidXmlParserFactory;
+import com.google.android.maps.mytracks.R;
+import com.google.wireless.gdata.client.GDataClient;
+import com.google.wireless.gdata.client.HttpException;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata2.client.AuthenticationException;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.accounts.AuthenticatorException;
+import android.accounts.OperationCanceledException;
+import android.content.Context;
+import android.util.Log;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+
+/**
+ * AsyncTask to send a track to Google Docs.
+ *
+ * @author Jimmy Shih
+ */
+public class SendDocsAsyncTask extends AbstractSendAsyncTask {
+  private static final int PROGRESS_GET_SPREADSHEET_ID = 0;
+  private static final int PROGRESS_CREATE_SPREADSHEET = 25;
+  private static final int PROGRESS_GET_WORKSHEET_ID = 50;
+  private static final int PROGRESS_ADD_TRACK_INFO = 75;
+  private static final int PROGRESS_COMPLETE = 100;
+
+  private static final String TAG = SendDocsAsyncTask.class.getSimpleName();
+
+  private final long trackId;
+  private final Account account;
+  private final Context context;
+  private final MyTracksProviderUtils myTracksProviderUtils;
+  private final GDataClient gDataClient;
+  private final DocumentsClient documentsClient;
+  private final SpreadsheetsClient spreadsheetsClient;
+  
+  // The following variables are for per upload states
+  private String documentsAuthToken;
+  private String spreadsheetsAuthToken;
+  private String spreadsheetId;
+  private String worksheetId;
+
+  public SendDocsAsyncTask(SendDocsActivity activity, long trackId, Account account) {
+    super(activity);
+    this.trackId = trackId;
+    this.account = account;
+
+    context = activity.getApplicationContext();
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
+    gDataClient = GDataClientFactory.getGDataClient(context);
+    documentsClient = new DocumentsClient(
+        gDataClient, new XmlDocsGDataParserFactory(new AndroidXmlParserFactory()));
+    spreadsheetsClient = new SpreadsheetsClient(
+        gDataClient, new XmlDocsGDataParserFactory(new AndroidXmlParserFactory()));
+  }
+
+  @Override
+  protected void closeConnection() {
+    if (gDataClient != null) {
+      gDataClient.close();
+    } 
+  }
+
+  @Override
+  protected void saveResult() {
+    // No action for Google Docs
+  }
+
+  @Override
+  protected boolean performTask() {
+    // Reset the per upload states
+    documentsAuthToken = null;
+    spreadsheetsAuthToken = null;
+    spreadsheetId = null;
+    worksheetId = null;
+
+    try {
+      documentsAuthToken = AccountManager.get(context).blockingGetAuthToken(
+          account, documentsClient.getServiceName(), false);
+      spreadsheetsAuthToken = AccountManager.get(context).blockingGetAuthToken(
+          account, spreadsheetsClient.getServiceName(), false);
+    } catch (OperationCanceledException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryTask();
+    } catch (AuthenticatorException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryTask();
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryTask();
+    }
+
+    Track track = myTracksProviderUtils.getTrack(trackId);
+    if (track == null) {
+      Log.d(TAG, "No track for " + trackId);
+      return false;
+    }
+
+    String title = context.getString(R.string.my_tracks_app_name);
+    if (track.getCategory() != null && !track.getCategory().equals("")) {
+      title += "-" + track.getCategory();
+    }
+    try {
+      title = URLEncoder.encode(title, "UTF-8");
+      title = title.replace('+', ' ');
+    } catch (UnsupportedEncodingException e) {
+      Log.d(TAG, "No UTF-8 encoding", e);
+      return false;
+    }
+
+    // Get the spreadsheet ID
+    publishProgress(PROGRESS_GET_SPREADSHEET_ID);
+    if (!fetchSpreadSheetId(title, false)) {
+      return retryTask(); 
+    }
+
+    // Create a new spreadsheet if necessary
+    publishProgress(PROGRESS_CREATE_SPREADSHEET);
+    if (spreadsheetId == null) {
+      if (!createSpreadSheet(title)) {
+        Log.d(TAG, "Unable to create a new spreadsheet");
+        return false;
+      }
+
+      // The previous creation might have succeeded even though GData
+      // reported an error. Seems to be a know bug.
+      // See http://code.google.com/p/gdata-issues/issues/detail?id=929
+      // Try to find the created spreadsheet.
+      if (spreadsheetId == null) {
+        if (!fetchSpreadSheetId(title, true)) {
+          Log.d(TAG, "Unable to check if the new spreadsheet is created");
+          return false;
+        }
+
+        if (spreadsheetId == null) {
+          Log.d(TAG, "Unable to create a new spreadsheet");
+          return false;
+        }
+      }
+    }
+
+    // Get the worksheet ID
+    publishProgress(PROGRESS_GET_WORKSHEET_ID);
+    if (!fetchWorksheetId()) {
+      return retryTask();
+    }
+    if (worksheetId == null) {
+      Log.d(TAG, "Unable to get a worksheet ID");
+      return false;
+    }
+
+    // Add the track info
+    publishProgress(PROGRESS_ADD_TRACK_INFO);
+    if (!addTrackInfo(track)) {
+      Log.d(TAG, "Unable to add track info");
+      return false;
+    }
+
+    publishProgress(PROGRESS_COMPLETE);
+    return true;
+  }
+
+  @Override
+  protected void invalidateToken() {
+    AccountManager.get(context).invalidateAuthToken(Constants.ACCOUNT_TYPE, documentsAuthToken);
+    AccountManager.get(context).invalidateAuthToken(Constants.ACCOUNT_TYPE, spreadsheetsAuthToken);
+  }
+
+  /**
+   * Fetches the spreadsheet id. Sets the instance variable
+   * {@link SendDocsAsyncTask#spreadsheetId}.
+   *
+   * @param title the spreadsheet title
+   * @param waitFirst wait before checking
+   * @return true if completes.
+   */
+  private boolean fetchSpreadSheetId(String title, boolean waitFirst) {
+    if (isCancelled()) {
+      return false;
+    }
+
+    if (waitFirst) {
+      try {
+        Thread.sleep(5000);
+      } catch (InterruptedException e) {
+        Log.d(TAG, "Unable to wait", e);
+        return false;
+      }
+    }
+
+    try {
+      spreadsheetId = SendDocsUtils.getSpreadsheetId(title, documentsClient, documentsAuthToken);
+    } catch (ParseException e) {
+      Log.d(TAG, "Unable to fetch spreadsheet ID", e);
+      return false;
+    } catch (HttpException e) {
+      Log.d(TAG, "Unable to fetch spreadsheet ID", e);
+      return false;
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to fetch spreadsheet ID", e);
+      return false;
+    }
+
+    if (spreadsheetId == null) {
+      // Waiting a few seconds and trying again. Maybe the server just had a
+      // hickup (unfortunately that happens quite a lot...).
+      try {
+        Thread.sleep(5000);
+      } catch (InterruptedException e) {
+        Log.d(TAG, "Unable to wait", e);
+        return false;
+      }
+
+      try {
+        spreadsheetId = SendDocsUtils.getSpreadsheetId(title, documentsClient, documentsAuthToken);
+      } catch (ParseException e) {
+        Log.d(TAG, "Unable to fetch spreadsheet ID", e);
+        return false;
+      } catch (HttpException e) {
+        Log.d(TAG, "Unable to fetch spreadsheet ID", e);
+        return false;
+      } catch (IOException e) {
+        Log.d(TAG, "Unable to fetch spreadsheet ID", e);
+        return false;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * Creates a spreadsheet. If successful, sets the instance variable
+   * {@link SendDocsAsyncTask#spreadsheetId}.
+   *
+   * @param spreadsheetTitle the spreadsheet title
+   * @return true if completes.
+   */
+  private boolean createSpreadSheet(String spreadsheetTitle) {
+    if (isCancelled()) {
+      return false;
+    }
+    try {
+      spreadsheetId = SendDocsUtils.createSpreadsheet(
+          spreadsheetTitle, documentsAuthToken, context);
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to create spreadsheet", e);
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Fetches the worksheet ID. Sets the instance variable
+   * {@link SendDocsAsyncTask#worksheetId}.
+   *
+   * @return true if completes.
+   */
+  private boolean fetchWorksheetId() {
+    if (isCancelled()) {
+      return false;
+    }
+    try {
+      worksheetId = SendDocsUtils.getWorksheetId(
+          spreadsheetId, spreadsheetsClient, spreadsheetsAuthToken);
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to fetch worksheet ID", e);
+      return false;
+    } catch (AuthenticationException e) {
+      Log.d(TAG, "Unable to fetch worksheet ID", e);
+      return false;
+    } catch (ParseException e) {
+      Log.d(TAG, "Unable to fetch worksheet ID", e);
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Adds track info to a worksheet.
+   * 
+   * @param track the track
+   * @return true if completes.
+   */
+  private boolean addTrackInfo(Track track) {
+    if (isCancelled()) {
+      return false;
+    }
+    try {
+      SendDocsUtils.addTrackInfo(track, spreadsheetId, worksheetId, spreadsheetsAuthToken, context);
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to add track info", e);
+      return false;
+    }
+    return true;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/docs/SendDocsUtils.java

@@ -0,0 +1,421 @@
+/*
+ * 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.docs;
+
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.io.fusiontables.SendFusionTablesUtils;
+import com.google.android.apps.mytracks.io.gdata.docs.DocumentsClient;
+import com.google.android.apps.mytracks.io.gdata.docs.SpreadsheetsClient;
+import com.google.android.apps.mytracks.io.gdata.docs.SpreadsheetsClient.WorksheetEntry;
+import com.google.android.apps.mytracks.io.maps.SendMapsUtils;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.ResourceUtils;
+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 com.google.wireless.gdata.client.HttpException;
+import com.google.wireless.gdata.data.Entry;
+import com.google.wireless.gdata.parser.GDataParser;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata2.client.AuthenticationException;
+
+import android.content.Context;
+import android.util.Log;
+
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLEncoder;
+import java.text.NumberFormat;
+import java.util.Locale;
+
+/**
+ * Utilities for sending a track to Google Docs.
+ *
+ * @author Sandor Dornbush
+ * @author Matthew Simmons
+ */
+public class SendDocsUtils {
+  @VisibleForTesting
+  public static final String GET_SPREADSHEET_BY_TITLE_URI =
+      "https://docs.google.com/feeds/documents/private/full?"
+      + "category=mine,spreadsheet&title=%s&title-exact=true";
+  private static final String CREATE_SPREADSHEET_URI =
+    "https://docs.google.com/feeds/documents/private/full";
+  private static final String GET_WORKSHEETS_URI =
+    "https://spreadsheets.google.com/feeds/worksheets/%s/private/full";
+  @VisibleForTesting
+  public static final String GET_WORKSHEET_URI =
+    "https://spreadsheets.google.com/feeds/list/%s/%s/private/full";
+  @VisibleForTesting
+  public static final String SPREADSHEET_ID_PREFIX =
+      "https://docs.google.com/feeds/documents/private/full/spreadsheet%3A";
+  @VisibleForTesting
+  public static final String CONTENT_TYPE = "Content-Type";
+  @VisibleForTesting
+  public static final String ATOM_FEED_MIME_TYPE = "application/atom+xml";
+  private static final String OPENDOCUMENT_SPREADSHEET_MIME_TYPE =
+      "application/x-vnd.oasis.opendocument.spreadsheet";
+
+  @VisibleForTesting
+  public static final String AUTHORIZATION = "Authorization";
+  @VisibleForTesting
+  public static final String AUTHORIZATION_PREFIX = "GoogleLogin auth=";
+
+  private static final String SLUG = "Slug";
+
+  // Google Docs can only parse numbers in the English locale.
+  private static final NumberFormat NUMBER_FORMAT = NumberFormat.getNumberInstance(Locale.ENGLISH);
+  private static final NumberFormat INTEGER_FORMAT = NumberFormat.getIntegerInstance(
+      Locale.ENGLISH);
+
+  static {
+    NUMBER_FORMAT.setMaximumFractionDigits(2);
+    NUMBER_FORMAT.setMinimumFractionDigits(2);
+  }
+
+  private static final String TAG = SendDocsUtils.class.getSimpleName();
+
+  private SendDocsUtils() {}
+
+  /**
+   * Gets the spreadsheet id of a spreadsheet. Returns null if the spreadsheet
+   * doesn't exist.
+   *
+   * @param title the title of the spreadsheet
+   * @param documentsClient the documents client
+   * @param authToken the auth token
+   * @return spreadsheet id or null if it doesn't exist.
+   */
+  public static String getSpreadsheetId(
+      String title, DocumentsClient documentsClient, String authToken)
+      throws IOException, ParseException, HttpException {
+    GDataParser gDataParser = null;
+    try {
+      String uri = String.format(Locale.US, GET_SPREADSHEET_BY_TITLE_URI, URLEncoder.encode(title));
+      gDataParser = documentsClient.getParserForFeed(Entry.class, uri, authToken);
+      gDataParser.init();
+
+      while (gDataParser.hasMoreData()) {
+        Entry entry = gDataParser.readNextEntry(null);
+        String entryTitle = entry.getTitle();
+        if (entryTitle.equals(title)) {
+          return getEntryId(entry);
+        }
+      }
+      return null;
+    } finally {
+      if (gDataParser != null) {
+        gDataParser.close();
+      }
+    }
+  }
+
+  /**
+   * Gets the id from an entry. Returns null if not available.
+   * 
+   * @param entry the entry
+   */
+  @VisibleForTesting
+  static String getEntryId(Entry entry) {
+    String entryId = entry.getId();
+    if (entryId.startsWith(SPREADSHEET_ID_PREFIX)) {
+      return entryId.substring(SPREADSHEET_ID_PREFIX.length());
+    }
+    return null;
+  }
+
+  /**
+   * Creates a new spreadsheet with the given title. Returns the spreadsheet ID
+   * if successful. Returns null otherwise. Note that it is possible that a new
+   * spreadsheet is created, but the returned ID is null.
+   *
+   * @param title the title
+   * @param authToken the auth token
+   * @param context the context
+   */
+  public static String createSpreadsheet(String title, String authToken, Context context)
+      throws IOException {
+    URL url = new URL(CREATE_SPREADSHEET_URI);
+    URLConnection conn = url.openConnection();
+    conn.addRequestProperty(CONTENT_TYPE, OPENDOCUMENT_SPREADSHEET_MIME_TYPE);
+    conn.addRequestProperty(SLUG, title);
+    conn.addRequestProperty(AUTHORIZATION, AUTHORIZATION_PREFIX + authToken);
+    conn.setDoOutput(true);
+    OutputStream outputStream = conn.getOutputStream();
+    ResourceUtils.readBinaryFileToOutputStream(
+        context, R.raw.mytracks_empty_spreadsheet, outputStream);
+
+    // Get the response
+    BufferedReader bufferedReader = null;
+    StringBuilder resultBuilder = new StringBuilder();
+    try {
+      bufferedReader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
+      String line;
+      while ((line = bufferedReader.readLine()) != null) {
+        resultBuilder.append(line);
+      }
+    } catch (FileNotFoundException e) {
+      // The GData API sometimes throws an error, even though creation of
+      // the document succeeded. In that case let's just return. The caller
+      // then needs to check if the doc actually exists.
+      Log.d(TAG, "Unable to read result after creating a spreadsheet", e);
+      return null;
+    } finally {
+      outputStream.close();
+      if (bufferedReader != null) {
+        bufferedReader.close();
+      }
+    }
+    return getNewSpreadsheetId(resultBuilder.toString());
+  }
+
+  /**
+   * Gets the spreadsheet id from a create spreadsheet result.
+   *
+   * @param result the create spreadsheet result
+   */
+  @VisibleForTesting
+  static String getNewSpreadsheetId(String result) {
+    int idTagIndex = result.indexOf("<id>");
+    if (idTagIndex == -1) {
+      return null;
+    }
+
+    int idTagCloseIndex = result.indexOf("</id>", idTagIndex);
+    if (idTagCloseIndex == -1) {
+      return null;
+    }
+
+    int idStringStart = result.indexOf(SPREADSHEET_ID_PREFIX, idTagIndex);
+    if (idStringStart == -1) {
+      return null;
+    }
+
+    return result.substring(idStringStart + SPREADSHEET_ID_PREFIX.length(), idTagCloseIndex);
+  }
+
+  /**
+   * Gets the first worksheet ID of a spreadsheet. Returns null if not
+   * available.
+   *
+   * @param spreadsheetId the spreadsheet ID
+   * @param spreadsheetClient the spreadsheet client
+   * @param authToken the auth token
+   */
+  public static String getWorksheetId(
+      String spreadsheetId, SpreadsheetsClient spreadsheetClient, String authToken)
+      throws IOException, AuthenticationException, ParseException {
+    GDataParser gDataParser = null;
+    try {
+      String uri = String.format(Locale.US, GET_WORKSHEETS_URI, spreadsheetId);
+      gDataParser = spreadsheetClient.getParserForWorksheetsFeed(uri, authToken);
+      gDataParser.init();
+      if (!gDataParser.hasMoreData()) {
+        Log.d(TAG, "No worksheet");
+        return null;
+      }
+
+      // Get the first worksheet
+      WorksheetEntry worksheetEntry =
+          (WorksheetEntry) gDataParser.readNextEntry(new WorksheetEntry());
+      return getWorksheetEntryId(worksheetEntry);
+    } finally {
+      if (gDataParser != null) {
+        gDataParser.close();
+      }
+    }
+  }
+
+  /**
+   * Gets the worksheet id from a worksheet entry. Returns null if not available.
+   * 
+   * @param entry the worksheet entry
+   */
+  @VisibleForTesting
+  static String getWorksheetEntryId(WorksheetEntry entry) {
+    String id = entry.getId();
+    int lastSlash = id.lastIndexOf('/');
+    if (lastSlash == -1) {
+      Log.d(TAG, "No id");
+      return null;
+    }
+    return id.substring(lastSlash + 1);
+  }
+
+  /**
+   * Adds a track's info as a row in a worksheet.
+   *
+   * @param track the track
+   * @param spreadsheetId the spreadsheet ID
+   * @param worksheetId the worksheet ID
+   * @param authToken the auth token
+   * @param context the context
+   */
+  public static void addTrackInfo(
+      Track track, String spreadsheetId, String worksheetId, String authToken, Context context)
+      throws IOException {
+    String worksheetUri = String.format(Locale.US, GET_WORKSHEET_URI, spreadsheetId, worksheetId);
+    boolean metricUnits = PreferencesUtils.getBoolean(
+        context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
+    addRow(worksheetUri, getRowContent(track, metricUnits, context), authToken);
+  }
+
+  /**
+   * Gets the row content containing the track's info.
+   *
+   * @param track the track
+   * @param metricUnits true to use metric
+   * @param context the context
+   */
+  @VisibleForTesting
+  static String getRowContent(Track track, boolean metricUnits, Context context) {
+    TripStatistics stats = track.getTripStatistics();
+
+    String distanceUnit = context.getString(
+        metricUnits ? R.string.unit_kilometer : R.string.unit_mile);
+    String speedUnit = context.getString(
+        metricUnits ? R.string.unit_kilometer_per_hour : R.string.unit_mile_per_hour);
+    String elevationUnit = context.getString(
+        metricUnits ? R.string.unit_meter : R.string.unit_feet);
+
+    StringBuilder builder = new StringBuilder().append("<entry xmlns='http://www.w3.org/2005/Atom' "
+        + "xmlns:gsx='http://schemas.google.com/spreadsheets/2006/extended'>");
+    appendTag(builder, "name", track.getName());
+    appendTag(builder, "description", track.getDescription());
+    appendTag(builder, "date", StringUtils.formatDateTime(context, stats.getStartTime()));
+    appendTag(builder, "totaltime", StringUtils.formatElapsedTimeWithHour(stats.getTotalTime()));
+    appendTag(builder, "movingtime", StringUtils.formatElapsedTimeWithHour(stats.getMovingTime()));
+    appendTag(builder, "distance", getDistance(stats.getTotalDistance(), metricUnits));
+    appendTag(builder, "distanceunit", distanceUnit);
+    appendTag(builder, "averagespeed", getSpeed(stats.getAverageSpeed(), metricUnits));
+    appendTag(builder, "averagemovingspeed", getSpeed(stats.getAverageMovingSpeed(), metricUnits));
+    appendTag(builder, "maxspeed", getSpeed(stats.getMaxSpeed(), metricUnits));
+    appendTag(builder, "speedunit", speedUnit);
+    appendTag(builder, "elevationgain", getElevation(stats.getTotalElevationGain(), metricUnits));
+    appendTag(builder, "minelevation", getElevation(stats.getMinElevation(), metricUnits));
+    appendTag(builder, "maxelevation", getElevation(stats.getMaxElevation(), metricUnits));
+    appendTag(builder, "elevationunit", elevationUnit);
+
+    String map = SendMapsUtils.getMapUrl(track); 
+    if (map == null) {
+      map = context.getString(R.string.value_unknown);
+    }
+    appendTag(builder, "map", map);
+
+    String fusionTable = SendFusionTablesUtils.getMapUrl(track);
+    if (fusionTable == null) {
+      fusionTable = context.getString(R.string.value_unknown);
+    }
+    appendTag(builder, "fusiontable", fusionTable);
+
+    builder.append("</entry>");
+    return builder.toString();
+  }
+
+  /**
+   * Appends a name-value pair as a gsx tag to a string builder.
+   *
+   * @param stringBuilder the string builder
+   * @param name the name
+   * @param value the value
+   */
+  @VisibleForTesting
+  static void appendTag(StringBuilder stringBuilder, String name, String value) {
+    stringBuilder
+        .append("<gsx:")
+        .append(name)
+        .append(">")
+        .append(StringUtils.formatCData(value))
+        .append("</gsx:")
+        .append(name)
+        .append(">");
+  }
+
+  /**
+   * Gets the distance. Performs unit conversion and formatting.
+   *
+   * @param distanceInMeter the distance in meters
+   * @param metricUnits true to use metric
+   */
+  @VisibleForTesting
+  static final String getDistance(double distanceInMeter, boolean metricUnits) {
+    double distanceInKilometer = distanceInMeter * UnitConversions.M_TO_KM;
+    double distance = metricUnits ? distanceInKilometer
+        : distanceInKilometer * UnitConversions.KM_TO_MI;
+    return NUMBER_FORMAT.format(distance);
+  }
+
+  /**
+   * Gets the speed. Performs unit conversion and formatting.
+   *
+   * @param speedInMeterPerSecond the speed in meters per second
+   * @param metricUnits true to use metric
+   */
+  @VisibleForTesting
+  static final String getSpeed(double speedInMeterPerSecond, boolean metricUnits) {
+    double speedInKilometerPerHour = speedInMeterPerSecond * UnitConversions.MS_TO_KMH;
+    double speed = metricUnits ? speedInKilometerPerHour
+        : speedInKilometerPerHour * UnitConversions.KM_TO_MI;
+    return NUMBER_FORMAT.format(speed);
+  }
+
+  /**
+   * Gets the elevation. Performs unit conversion and formatting.
+   *
+   * @param elevationInMeter the elevation value in meters
+   * @param metricUnits true to use metric
+   */
+  @VisibleForTesting
+  static final String getElevation(double elevationInMeter, boolean metricUnits) {
+    double elevation = metricUnits ? elevationInMeter : elevationInMeter * UnitConversions.M_TO_FT;
+    return INTEGER_FORMAT.format(elevation);
+  }
+
+  /**
+   * Adds a row to a Google Spreadsheet worksheet.
+   *
+   * @param worksheetUri the worksheet URI
+   * @param rowContent the row content
+   * @param authToken the auth token
+   */
+  private static final void addRow(String worksheetUri, String rowContent, String authToken)
+      throws IOException {
+    URL url = new URL(worksheetUri);
+    URLConnection conn = url.openConnection();
+    conn.addRequestProperty(CONTENT_TYPE, ATOM_FEED_MIME_TYPE);
+    conn.addRequestProperty(AUTHORIZATION, AUTHORIZATION_PREFIX + authToken);
+    conn.setDoOutput(true);
+    OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
+    writer.write(rowContent);
+    writer.flush();
+
+    // Get the response
+    BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
+    while ((reader.readLine()) != null) {
+      // Just read till the end
+    }
+    writer.close();
+    reader.close();
+  }
+}

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

@@ -0,0 +1,243 @@
+/*
+ * 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;
+
+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.TrackWriterFactory.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 TrackFormatWriter {
+
+  private static final NumberFormat SHORT_FORMAT = NumberFormat.getInstance();
+
+  static {
+    SHORT_FORMAT.setMaximumFractionDigits(4);
+  }
+
+  private final Context context;
+  private PrintWriter printWriter;
+  private Track track;
+  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(Track aTrack, OutputStream out) {
+    track = aTrack;
+    printWriter = new PrintWriter(out);
+    segmentIndex = 0;
+    pointIndex = 0;
+  }
+
+  @Override
+  public void close() {
+    printWriter.close();
+  }
+
+  @Override
+  public void writeHeader() {
+    writeCommaSeparatedLine(context.getString(R.string.generic_name),
+        context.getString(R.string.track_edit_activity_type_hint),
+        context.getString(R.string.generic_description));
+    writeCommaSeparatedLine(track.getName(), track.getCategory(), track.getDescription());
+    writeCommaSeparatedLine();
+  }
+
+  @Override
+  public void writeFooter() {
+    // Do nothing
+  }
+
+  @Override
+  public void writeBeginWaypoints() {
+    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()),
+        Double.toString(location.getAltitude()),
+        Double.toString(location.getBearing()),
+        SHORT_FORMAT.format(location.getAccuracy()),
+        SHORT_FORMAT.format(location.getSpeed()),
+        StringUtils.formatDateTimeIso8601(location.getTime()));
+  }
+
+  @Override
+  public void writeBeginTrack(Location firstPoint) {
+    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),
+        context.getString(R.string.description_sensor_battery_level));
+  }
+
+  @Override
+  public void writeEndTrack(Location lastPoint) {
+    // 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;
+    String batteryLevel = 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());
+          }
+        }
+        if (sensorDataSet.hasBatteryLevel()) {
+          SensorData sensorData = sensorDataSet.getBatteryLevel();
+          if (sensorData.hasValue() && sensorData.getState() == Sensor.SensorState.SENDING) {
+            batteryLevel = Double.toString(sensorData.getValue());
+          }
+        }
+      }
+    }
+    pointIndex++;
+    writeCommaSeparatedLine(Integer.toString(segmentIndex),
+        Integer.toString(pointIndex),
+        Double.toString(location.getLatitude()),
+        Double.toString(location.getLongitude()),
+        Double.toString(location.getAltitude()),
+        Double.toString(location.getBearing()),
+        SHORT_FORMAT.format(location.getAccuracy()),
+        SHORT_FORMAT.format(location.getSpeed()),
+        StringUtils.formatDateTimeIso8601(location.getTime()),
+        power,
+        cadence,
+        heartRate,
+        batteryLevel);
+  }
+
+  /**
+   * 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;
+
+      if (value != null) {
+        builder.append('"');
+        builder.append(value.replaceAll("\"", "\"\""));
+        builder.append('"');
+      }
+    }
+    printWriter.println(builder.toString());
+  }
+}

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

@@ -0,0 +1,542 @@
+/*
+ * 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;
+
+import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.stats.TripStatisticsBuilder;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.StringUtils;
+
+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.Attributes;
+import org.xml.sax.Locator;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+/**
+ * Imports GPX file to My Tracks.
+ * 
+ * @author Leif Hendrik Wilden
+ * @author Steffen Horlacher
+ * @author Rodrigo Damazio
+ */
+public class GpxImporter extends DefaultHandler {
+
+  // GPX tag names and attributes.
+  private static final String TAG_TRACK = "trk";
+  private static final String TAG_TRACK_POINT = "trkpt";
+  private static final Object TAG_TRACK_SEGMENT = "trkseg";
+  private static final String TAG_NAME = "name";
+  private static final String TAG_DESCRIPTION = "desc";
+  private static final String TAG_ALTITUDE = "ele";
+  private static final String TAG_TIME = "time";
+  private static final String ATT_LAT = "lat";
+  private static final String ATT_LON = "lon";
+
+  /**
+   * The maximum number of locations to buffer for bulk-insertion into the
+   * database.
+   */
+  private static final int MAX_BUFFERED_LOCATIONS = 512;
+
+  /**
+   * Utilities for accessing the content provider.
+   */
+  private final MyTracksProviderUtils myTracksProviderUtils;
+
+  /**
+   * List of track ids written in the database. Only contains successfully
+   * written tracks.
+   */
+  private final List<Long> tracksIds;
+
+  /**
+   * Contains the current elements content.
+   */
+  private String content;
+
+  /**
+   * Currently location.
+   */
+  private Location location;
+
+  /**
+   * Last location.
+   */
+  private Location lastLocation;
+
+  /**
+   * Last segment location.
+   */
+  private Location lastSegmentLocation;
+
+  /**
+   * Currently reading track.
+   */
+  private Track track;
+
+  /**
+   * Statistics builder for the current track.
+   */
+  private TripStatisticsBuilder tripStatisticsBuilder;
+
+  /**
+   * Buffer of locations to be bulk-inserted into the database.
+   */
+  private Location[] bufferedPointInserts = new Location[MAX_BUFFERED_LOCATIONS];
+
+  /**
+   * Number of locations buffered to be inserted into the database.
+   */
+  private int numBufferedPointInserts = 0;
+
+  /**
+   * Number of locations already processed.
+   */
+  private int numberOfLocations = 0;
+
+  /**
+   * Number of segments already processed.
+   */
+  private int numberOfSegments = 0;
+
+  /**
+   * Used to identify if a track was written to the database but not yet
+   * finished successfully.
+   */
+  private boolean isCurrentTrackRollbackable = false;
+
+  /**
+   * Flag to indicate if we're inside a track's xml element. Some sub elements
+   * like name may be used in other parts of the GPX file, and we use this to
+   * ignore them.
+   */
+  private boolean isInTrackElement = false;
+
+  /**
+   * Counter to find out which child level of the track we are processing.
+   */
+  private int trackChildDepth = 0;
+
+  /**
+   * SAX locator to get the current line information.
+   */
+  private Locator locator;
+
+  /**
+   * Reads GPS tracks from a GPX file and writes tracks and their coordinates to
+   * the database.
+   * 
+   * @param inputStream an input stream for the GPX file
+   * @param myTracksProviderUtils my tracks provider utils
+   * @return long[] array of track ids written to the database.
+   */
+  public static long[] importGPXFile(
+      final InputStream inputStream, final MyTracksProviderUtils myTracksProviderUtils)
+      throws ParserConfigurationException, SAXException, IOException {
+    SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
+    SAXParser saxParser = saxParserFactory.newSAXParser();
+    GpxImporter gpxImporter = new GpxImporter(myTracksProviderUtils);
+    long[] trackIds = new long[0];
+
+    try {
+      long start = System.currentTimeMillis();
+
+      saxParser.parse(inputStream, gpxImporter);
+
+      long end = System.currentTimeMillis();
+      Log.d(Constants.TAG, "Total import time: " + (end - start) + "ms");
+
+      trackIds = gpxImporter.getImportedTrackIds();
+      if (trackIds.length == 0) {
+        throw new IOException("No track imported.");
+      }
+    } finally {
+      // Delete track if not finished
+      gpxImporter.rollbackUnfinishedTracks();
+    }
+
+    return trackIds;
+  }
+
+  public GpxImporter(MyTracksProviderUtils myTracksProviderUtils) {
+    this.myTracksProviderUtils = myTracksProviderUtils;
+    tracksIds = new ArrayList<Long>();
+  }
+
+  @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 void startElement(String uri, String localName, String name, Attributes attributes)
+      throws SAXException {
+    if (isInTrackElement) {
+      trackChildDepth++;
+      if (localName.equals(TAG_TRACK_POINT)) {
+        onTrackPointElementStart(attributes);
+      } else if (localName.equals(TAG_TRACK_SEGMENT)) {
+        onTrackSegmentElementStart();
+      } else if (localName.equals(TAG_TRACK)) {
+        throw new SAXException(createErrorMessage("Invalid GPX detected."));
+      }
+    } else if (localName.equals(TAG_TRACK)) {
+      isInTrackElement = true;
+      trackChildDepth = 0;
+      onTrackElementStart();
+    }
+  }
+
+  @Override
+  public void endElement(String uri, String localName, String name) throws SAXException {
+    if (!isInTrackElement) {
+      content = null;
+      return;
+    }
+
+    // process these elements only as sub-elements of track
+    if (localName.equals(TAG_TRACK_POINT)) {
+      onTrackPointElementEnd();
+    } else if (localName.equals(TAG_ALTITUDE)) {
+      onAltitudeElementEnd();
+    } else if (localName.equals(TAG_TIME)) {
+      onTimeElementEnd();
+    } else if (localName.equals(TAG_NAME)) {
+      // we are only interested in the first level name element
+      if (trackChildDepth == 1) {
+        onNameElementEnd();
+      }
+    } else if (localName.equals(TAG_DESCRIPTION)) {
+      // we are only interested in the first level description element
+      if (trackChildDepth == 1) {
+        onDescriptionElementEnd();
+      }
+    } else if (localName.equals(TAG_TRACK_SEGMENT)) {
+      onTrackSegmentElementEnd();
+    } else if (localName.equals(TAG_TRACK)) {
+      onTrackElementEnd();
+      isInTrackElement = false;
+      trackChildDepth = 0;
+    }
+    trackChildDepth--;
+
+    // reset element content
+    content = null;
+  }
+
+  @Override
+  public void setDocumentLocator(Locator locator) {
+    this.locator = locator;
+  }
+
+  /**
+   * Rolls back last track if possible.
+   */
+  public void rollbackUnfinishedTracks() {
+    if (isCurrentTrackRollbackable) {
+      myTracksProviderUtils.deleteTrack(track.getId());
+      isCurrentTrackRollbackable = false;
+    }
+  }
+
+  /**
+   * On track element start.
+   */
+  private void onTrackElementStart() {
+    track = new Track();
+    numberOfLocations = 0;
+
+    Uri uri = myTracksProviderUtils.insertTrack(track);
+    long trackId = Long.parseLong(uri.getLastPathSegment());
+    track.setId(trackId);
+    isCurrentTrackRollbackable = true;
+  }
+
+  /**
+   * On track element end.
+   */
+  private void onTrackElementEnd() {
+    if (lastLocation != null) {
+      flushPoints();
+
+      // Calculate statistics for the imported track
+      tripStatisticsBuilder.pauseAt(lastLocation.getTime());
+      track.setStopId(getLastPointId());
+    } else {
+      tripStatisticsBuilder = new TripStatisticsBuilder(0);
+      tripStatisticsBuilder.pauseAt(0);
+    }
+    track.setTripStatistics(tripStatisticsBuilder.getStatistics());
+    track.setNumberOfPoints(numberOfLocations);
+    myTracksProviderUtils.updateTrack(track);
+    tracksIds.add(track.getId());
+    isCurrentTrackRollbackable = false;
+    lastSegmentLocation = null;
+    lastLocation = null;
+    tripStatisticsBuilder = null;
+  }
+
+  /**
+   * On track segment start.
+   */
+  private void onTrackSegmentElementStart() {
+    if (numberOfSegments > 0) {
+      // Add a segment separator
+      location = new Location(LocationManager.GPS_PROVIDER);
+      location.setLatitude(100.0);
+      location.setLongitude(100.0);
+      location.setAltitude(0);
+      if (lastLocation != null) {
+        location.setTime(lastLocation.getTime());
+      }
+      insertPoint(location);
+      lastLocation = location;
+      lastSegmentLocation = null;
+      location = null;
+    }
+    numberOfSegments++;
+  }
+
+  /**
+   * On track segment element end.
+   */
+  private void onTrackSegmentElementEnd() {
+    // Nothing to be done
+  }
+
+  /**
+   * On track point element start.
+   * 
+   * @param attributes the attributes
+   */
+  private void onTrackPointElementStart(Attributes attributes) throws SAXException {
+    if (location != null) {
+      throw new SAXException(createErrorMessage("Found a track point inside another one."));
+    }
+    String latitude = attributes.getValue(ATT_LAT);
+    String longitude = attributes.getValue(ATT_LON);
+    
+    if (latitude == null || longitude == null) {
+      throw new SAXException(createErrorMessage("Point with no longitude or latitude."));
+    }
+    
+    Location newLocation = new Location(LocationManager.GPS_PROVIDER);
+    try {
+      newLocation.setLatitude(Double.parseDouble(latitude));
+      newLocation.setLongitude(Double.parseDouble(longitude));
+    } catch (NumberFormatException e) {
+      throw new SAXException(createErrorMessage(
+          "Unable to parse latitude/longitude: " + latitude + "/" + longitude), e);
+    }
+    location = newLocation;
+  }
+
+  /**
+   * On track point element end.
+   */
+  private void onTrackPointElementEnd() throws SAXException {
+    if (LocationUtils.isValidLocation(location)) {
+      if (tripStatisticsBuilder == null) {
+        // first point did not have a time, start stats builder without it
+        tripStatisticsBuilder = new TripStatisticsBuilder(0);
+      }
+      tripStatisticsBuilder.addLocation(location, location.getTime());
+
+      // insert in db
+      insertPoint(location);
+
+      // first track point?
+      if (lastLocation == null && numberOfSegments == 1) {
+        track.setStartId(getLastPointId());
+      }
+
+      lastLocation = location;
+      lastSegmentLocation = location;
+      location = null;
+    } else {
+      // invalid location - abort import
+      throw new SAXException(createErrorMessage("Invalid location detected: " + location));
+    }
+  }
+
+  /**
+   * On time element end. Sets location time and doing additional calculations
+   * as this is the last value required for the location. Also sets the start time
+   * for the trip statistics builder as there is no start time in the track root
+   * element.
+   */
+  private void onTimeElementEnd() throws SAXException {
+    if (location == null) {
+      return;
+    }
+
+    if (content == null) {
+      return;
+    }
+      
+    // Parse the time
+    long time;
+    try {
+      time = StringUtils.getTime(content.trim());
+    } catch (IllegalArgumentException e) {
+      throw new SAXException(createErrorMessage("Unable to parse time: " + content), e);
+    }
+
+    // Calculate derived attributes from previous point
+    if (lastSegmentLocation != null) {
+      long timeDifference = time - lastSegmentLocation.getTime();
+
+      // check for negative time change
+      if (timeDifference < 0) {
+        Log.w(Constants.TAG, "Found negative time change.");
+      } 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 = location.distanceTo(lastLocation) * 1000.0f / timeDifference;
+        location.setSpeed(speed);
+        location.setBearing(lastSegmentLocation.bearingTo(location));
+      }
+    }
+
+    // Fill in the time
+    location.setTime(time);
+
+    // initialize start time with time of first track point
+    if (tripStatisticsBuilder == null) {
+      tripStatisticsBuilder = new TripStatisticsBuilder(time);
+    }
+  }
+
+  /**
+   * On altitude element end.
+   */
+  private void onAltitudeElementEnd() throws SAXException {
+    if (location != null && content != null) {
+      try {
+        location.setAltitude(Double.parseDouble(content));
+      } catch (NumberFormatException e) {
+        throw new SAXException(createErrorMessage("Unable to parse altitude: " + content), e);
+      }
+    }
+  }
+
+  /**
+   * On name element end.
+   */
+  private void onNameElementEnd() {
+    if (content != null) {
+      track.setName(content.toString().trim());
+    }
+  }
+
+  /**
+   * On description element end.
+   */
+  private void onDescriptionElementEnd() {
+    if (content != null) {
+      track.setDescription(content.toString().trim());
+    }
+  }
+
+  /**
+   * Inserts a point.
+   * 
+   * @param newLocation the location
+   */
+  private void insertPoint(Location newLocation) {
+    bufferedPointInserts[numBufferedPointInserts] = newLocation;
+    numBufferedPointInserts++;
+    numberOfLocations++;
+
+    if (numBufferedPointInserts >= MAX_BUFFERED_LOCATIONS) {
+      flushPoints();
+    }
+  }
+
+  /**
+   * Flushes the points to the database.
+   */
+  private void flushPoints() {
+    if (numBufferedPointInserts <= 0) {
+      return;
+    }
+    myTracksProviderUtils.bulkInsertTrackPoints(
+        bufferedPointInserts, numBufferedPointInserts, track.getId());
+    numBufferedPointInserts = 0;
+  }
+
+  /**
+   * Gets the imported track ids.
+   *
+   */
+  private long[] getImportedTrackIds() {
+    long[] result = new long[tracksIds.size()];
+    for (int i = 0; i < result.length; i++) {
+      result[i] = tracksIds.get(i);
+    }
+    return result;
+  }
+
+  /**
+   * Gets the last point id inserted into the database.
+   */
+  private long getLastPointId() {
+    flushPoints();
+    return myTracksProviderUtils.getLastLocationId(track.getId());
+  }
+
+  /**
+   * Creates an error message.
+   * 
+   * @param message the message
+   */
+  private String createErrorMessage(String message) {
+    return String.format(Locale.US, "Parsing error at line: %d column: %d. %s",
+        locator.getLineNumber(), locator.getColumnNumber(), message);
+  }
+}

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

@@ -0,0 +1,181 @@
+/*
+ * 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;
+
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.io.file.TrackWriterFactory.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 TrackFormatWriter {
+
+  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(5);
+    COORDINATE_FORMAT.setMaximumIntegerDigits(3);
+    COORDINATE_FORMAT.setGroupingUsed(false);
+  }
+
+  private final Context context;
+  private Track track;
+  private PrintWriter printWriter;
+
+  public GpxTrackWriter(Context context) {
+    this.context = context;
+  }
+
+  @Override
+  public String getExtension() {
+    return TrackFileFormat.GPX.getExtension();
+  }
+
+  @Override
+  public void prepare(Track aTrack, OutputStream outputStream) {
+    this.track = aTrack;
+    this.printWriter = new PrintWriter(outputStream);
+  }
+
+  @Override
+  public void close() {
+    if (printWriter != null) {
+      printWriter.close();
+      printWriter = null;
+    }
+  }
+
+  @Override
+  public void writeHeader() {
+    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>");
+      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 writeBeginTrack(Location firstLocation) {
+    if (printWriter != null) {
+      printWriter.println("<trk>");
+      printWriter.println("<name>" + StringUtils.formatCData(track.getName()) + "</name>");
+      printWriter.println("<desc>" + StringUtils.formatCData(track.getDescription()) + "</desc>");
+      printWriter.println("<extensions><topografix:color>c0c0c0</topografix:color></extensions>");
+    }
+  }
+
+  @Override
+  public void writeEndTrack(Location lastLocation) {
+    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) + ">");
+      printWriter.println("<ele>" + ELEVATION_FORMAT.format(location.getAltitude()) + "</ele>");
+      printWriter.println("<time>" + StringUtils.formatDateTimeIso8601(location.getTime()) + "</time>");
+      printWriter.println("</trkpt>");
+    }
+  }
+
+  @Override
+  public void writeBeginWaypoints() {
+    // 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) + ">");
+        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(
+            "<desc>" + StringUtils.formatCData(waypoint.getDescription()) + "</desc>");
+        printWriter.println("</wpt>");
+      }
+    }
+  }
+
+  /**
+   * 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/KmlTrackWriter.java

@@ -0,0 +1,376 @@
+/*
+ * 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;
+
+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.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.TrackWriterFactory.TrackFileFormat;
+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.location.Location;
+
+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 TrackFormatWriter {
+
+  /**
+   * ID of the KML feature to play a tour.
+   */
+  public static final String TOUR_FEATURE_ID = "tour";
+
+  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 BATTER_LEVEL = "battery_level";
+
+  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 DescriptionGenerator descriptionGenerator;
+  private Track track;
+  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 ArrayList<Integer> batteryLevelList = new ArrayList<Integer>();
+  private boolean hasPower;
+  private boolean hasCadence;
+  private boolean hasHeartRate;
+  private boolean hasBatteryLevel;
+
+  public KmlTrackWriter(Context context) {
+    this(context, new DescriptionGeneratorImpl(context));
+  }
+
+  @VisibleForTesting
+  KmlTrackWriter(Context context, DescriptionGenerator descriptionGenerator) {
+    this.context = context;
+    this.descriptionGenerator = descriptionGenerator;
+  }
+
+  @Override
+  public String getExtension() {
+    return TrackFileFormat.KML.getExtension();
+  }
+
+  @Override
+  public void prepare(Track aTrack, OutputStream outputStream) {
+    this.track = aTrack;
+    this.printWriter = new PrintWriter(outputStream);
+  }
+
+  @Override
+  public void close() {
+    if (printWriter != null) {
+      printWriter.close();
+      printWriter = null;
+    }
+  }
+
+  @Override
+  public void writeHeader() {
+    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:atom=\"http://www.w3.org/2005/Atom\"");
+      printWriter.println("xmlns:gx=\"http://www.google.com/kml/ext/2.2\">");
+      printWriter.println("<Document>");
+      printWriter.println("<open>1</open>");
+      printWriter.println("<visibility>1</visibility>");
+      printWriter.println(
+          "<description>" + StringUtils.formatCData(track.getDescription()) + "</description>");
+      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));
+      writeSensorStyle(BATTER_LEVEL, context.getString(R.string.description_sensor_battery_level));
+      printWriter.println("</Schema>");
+    }
+  }
+
+  @Override
+  public void writeFooter() {
+    if (printWriter != null) {
+      printWriter.println("</Document>");
+      printWriter.println("</kml>");
+    }
+  }
+
+  @Override
+  public void writeBeginWaypoints() {
+    if (printWriter != null) {
+      printWriter.println(
+          "<Folder><name>" + StringUtils.formatCData(context.getString(R.string.menu_markers))
+              + "</name>");
+    }
+  }
+
+  @Override
+  public void writeEndWaypoints() {
+    if (printWriter != null) {
+      printWriter.println("</Folder>");
+    }
+  }
+
+  @Override
+  public void writeWaypoint(Waypoint waypoint) {
+    if (printWriter != null) {
+      String styleName = waypoint.getType() == Waypoint.TYPE_STATISTICS ? STATISTICS_STYLE
+          : WAYPOINT_STYLE;
+      writePlacemark(
+          waypoint.getName(), waypoint.getDescription(), styleName, waypoint.getLocation());
+    }
+  }
+
+  @Override
+  public void writeBeginTrack(Location firstLocation) {
+    if (printWriter != null) {
+      String name = context.getString(R.string.marker_label_start, track.getName());
+      writePlacemark(name, track.getDescription(), START_STYLE, firstLocation);
+      printWriter.println("<Placemark id=\"" + TOUR_FEATURE_ID + "\">");
+      printWriter.println(
+          "<description>" + StringUtils.formatCData(track.getDescription()) + "</description>");
+      printWriter.println("<name>" + StringUtils.formatCData(track.getName()) + "</name>");
+      printWriter.println("<styleUrl>#" + TRACK_STYLE + "</styleUrl>");
+      printWriter.println("<gx:MultiTrack>");
+      printWriter.println("<altitudeMode>absolute</altitudeMode>");
+      printWriter.println("<gx:interpolate>1</gx:interpolate>");
+    }
+  }
+
+  @Override
+  public void writeEndTrack(Location lastLocation) {
+    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, lastLocation);
+    }
+  }
+
+  @Override
+  public void writeOpenSegment() {
+    if (printWriter != null) {
+      printWriter.println("<gx:Track>");
+      hasPower = false;
+      hasCadence = false;
+      hasHeartRate = false;
+      hasBatteryLevel = false;
+      powerList.clear();
+      cadenceList.clear();
+      heartRateList.clear();
+      batteryLevelList.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);
+      }
+      if (hasBatteryLevel) {
+        writeSensorData(batteryLevelList, BATTER_LEVEL);
+      }
+      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>" + location.getLongitude() + " " + location.getLatitude() + " "
+              + location.getAltitude() + "</gx:coord>");
+      if (location instanceof MyTracksLocation) {
+        SensorDataSet sensorDataSet = ((MyTracksLocation) location).getSensorDataSet();
+        int power = -1;
+        int cadence = -1;
+        int heartRate = -1;
+        int batteryLevel = -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();
+            }
+          }
+          if (sensorDataSet.hasBatteryLevel()) {
+            SensorData sensorData = sensorDataSet.getBatteryLevel();
+            if (sensorData.hasValue() && sensorData.getState() == Sensor.SensorState.SENDING) {
+              hasBatteryLevel = true;
+              batteryLevel = sensorData.getValue();
+            }
+          }
+        }
+        powerList.add(power);
+        cadenceList.add(cadence);
+        heartRateList.add(heartRate);
+        batteryLevelList.add(batteryLevel);
+      }
+    }
+  }
+
+  /**
+   * 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 of the placemark
+   * @param description the description
+   * @param styleName the style name
+   * @param location the location
+   */
+  private void writePlacemark(
+      String name, String description, String styleName, Location location) {
+    if (location != null) {
+      printWriter.println("<Placemark>");
+      printWriter.println(
+          "<description>" + StringUtils.formatCData(description) + "</description>");
+      printWriter.println("<name>" + StringUtils.formatCData(name) + "</name>");
+      printWriter.println("<styleUrl>#" + styleName + "</styleUrl>");
+      printWriter.println("<Point>");
+      printWriter.println(
+          "<coordinates>" + location.getLongitude() + "," + location.getLatitude() + ","
+              + location.getAltitude() + "</coordinates>");
+      printWriter.println("</Point>");
+      printWriter.println("</Placemark>");
+    }
+  }
+
+  /**
+   * 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/SaveActivity.java

@@ -0,0 +1,203 @@
+/*
+ * 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;
+
+import com.google.android.apps.mytracks.io.file.TrackWriterFactory.TrackFileFormat;
+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.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 java.io.File;
+
+/**
+ * An activity for saving tracks to the SD card. 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_ID = "track_id";
+  public static final String EXTRA_PLAY_TRACK = "play_track";
+
+  public static final String GOOGLE_EARTH_KML_MIME_TYPE = "application/vnd.google-earth.kml+xml";
+  public static final String GOOGLE_EARTH_PACKAGE = "com.google.earth";
+  public static final String GOOGLE_EARTH_MARKET_URL = "market://details?id="
+      + GOOGLE_EARTH_PACKAGE;
+  private static final String
+      GOOGLE_EARTH_TOUR_FEATURE_ID = "com.google.earth.EXTRA.tour_feature_id";
+  private static final String GOOGLE_EARTH_CLASS = "com.google.earth.EarthActivity";
+
+  private static final int DIALOG_PROGRESS_ID = 0;
+  private static final int DIALOG_RESULT_ID = 1;
+
+  private TrackFileFormat trackFileFormat;
+  private long trackId;
+  private boolean playTrack;
+
+  private SaveAsyncTask saveAsyncTask;
+  private ProgressDialog progressDialog;
+
+  // result from the AsyncTask
+  private boolean success;
+  
+  // message id from the AsyncTask
+  private int messageId;
+  
+  // saved file path from the AsyncTask
+  private String savedPath;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    Intent intent = getIntent();
+    trackFileFormat = intent.getParcelableExtra(EXTRA_TRACK_FILE_FORMAT);
+    trackId = intent.getLongExtra(EXTRA_TRACK_ID, -1L);
+    playTrack = intent.getBooleanExtra(EXTRA_PLAY_TRACK, false);
+
+    Object retained = getLastNonConfigurationInstance();
+    if (retained instanceof SaveAsyncTask) {
+      saveAsyncTask = (SaveAsyncTask) retained;
+      saveAsyncTask.setActivity(this);
+    } else {
+      saveAsyncTask = new SaveAsyncTask(this, trackFileFormat, trackId, playTrack);
+      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.sd_card_save_progress_message, new DialogInterface.OnCancelListener() {
+              @Override
+              public void onCancel(DialogInterface dialog) {
+                saveAsyncTask.cancel(true);
+                finish();
+              }
+            });
+        return progressDialog;
+      case DIALOG_RESULT_ID:
+        AlertDialog.Builder builder = new AlertDialog.Builder(this)
+            .setCancelable(true)
+            .setIcon(success 
+                ? android.R.drawable.ic_dialog_info : android.R.drawable.ic_dialog_alert)
+            .setMessage(messageId)
+            .setOnCancelListener(new DialogInterface.OnCancelListener() {
+              @Override
+              public void onCancel(DialogInterface dialog) {
+                dialog.dismiss();
+                onPostResultDialog();
+              }
+            })
+            .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+              @Override
+              public void onClick(DialogInterface dialog, int arg1) {
+                dialog.dismiss();
+                onPostResultDialog();
+              }
+            })
+            .setTitle(success ? R.string.generic_success_title : R.string.generic_error_title);
+
+        if (success && trackId != -1L && !playTrack) {
+          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, trackId, 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 isSuccess true if the AsyncTask is successful
+   * @param aMessageId the id of the AsyncTask message
+   * @param aSavedPath the path of the saved file
+   */
+  public void onAsyncTaskCompleted(boolean isSuccess, int aMessageId, String aSavedPath) {
+    this.success = isSuccess;
+    this.messageId = aMessageId;
+    this.savedPath = aSavedPath;
+    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 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));
+    }
+  }
+
+  /**
+   * To be invoked after showing the result dialog.
+   */
+  private void onPostResultDialog() {
+    if (success && playTrack) {
+      Intent intent = new Intent()
+          .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK)
+          .putExtra(GOOGLE_EARTH_TOUR_FEATURE_ID, KmlTrackWriter.TOUR_FEATURE_ID)
+          .setClassName(GOOGLE_EARTH_PACKAGE, GOOGLE_EARTH_CLASS)
+          .setDataAndType(Uri.fromFile(new File(savedPath)), GOOGLE_EARTH_KML_MIME_TYPE);
+      startActivity(intent);
+    }
+    finish();
+  }
+}

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

@@ -0,0 +1,222 @@
+/*
+ * 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;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.TracksColumns;
+import com.google.android.apps.mytracks.io.file.TrackWriterFactory.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;
+
+/**
+ * Async Task to save tracks to the SD card.
+ * 
+ * @author Jimmy Shih
+ */
+public class SaveAsyncTask extends AsyncTask<Void, Integer, Boolean> {
+
+  private static final String TAG = SaveAsyncTask.class.getSimpleName();
+
+  private SaveActivity saveActivity;
+  private final TrackFileFormat trackFileFormat;
+  private final long trackId;
+  private final boolean useTempDir;
+
+  private final Context context;
+  private final MyTracksProviderUtils myTracksProviderUtils;
+  private WakeLock wakeLock;
+  private TrackWriter trackWriter;
+
+  // 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;
+
+  // saved file path to return to the activity
+  private String savedPath;
+
+  /**
+   * Creates an AsyncTask.
+   * 
+   * @param saveActivity the activity currently associated with this task.
+   * @param trackFileFormat the track format
+   * @param trackId the track id
+   * @param useTempDir true to use the temp directory
+   */
+  public SaveAsyncTask(SaveActivity saveActivity, TrackFileFormat trackFileFormat, long trackId,
+      boolean useTempDir) {
+    this.saveActivity = saveActivity;
+    this.trackFileFormat = trackFileFormat;
+    this.trackId = trackId;
+    this.useTempDir = useTempDir;
+    context = saveActivity.getApplicationContext();
+    
+    myTracksProviderUtils = MyTracksProviderUtils.Factory.get(saveActivity);
+
+    // Get the wake lock if not recording
+    if (PreferencesUtils.getLong(saveActivity, R.string.recording_track_id_key)
+        == PreferencesUtils.RECORDING_TRACK_ID_DEFAULT) {
+      wakeLock = SystemUtils.acquireWakeLock(saveActivity, wakeLock);
+    }
+    
+    trackWriter = null;
+    success = false;
+    completed = false;
+    messageId = R.string.sd_card_save_error;
+    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(success, messageId, savedPath);
+    }
+  }
+
+  @Override
+  protected void onPreExecute() {
+    if (saveActivity != null) {
+      saveActivity.showProgressDialog();
+    }
+  }
+
+  @Override
+  protected Boolean doInBackground(Void... params) {
+    try {
+      if (trackId != -1L) {
+        return saveOneTrack(trackId, true);
+      } else {
+        return saveAllTracks();
+      }
+    } finally {
+      // Release the wake lock if obtained
+      if (wakeLock != null && wakeLock.isHeld()) {
+        wakeLock.release();
+      }
+    }
+  }
+
+  /**
+   * Saves one track.
+   * 
+   * @param id the track id
+   * @param updateSavingProgress true to update the saving progress
+   */
+  private Boolean saveOneTrack(long id, final boolean updateSavingProgress) {
+    trackWriter = TrackWriterFactory.newWriter(
+        context, myTracksProviderUtils, id, trackFileFormat);
+    if (trackWriter == null) {
+      Log.e(TAG, "Track writer is null");
+      return false;
+    }
+    if (useTempDir) {
+      String dirName = FileUtils.buildExternalDirectoryPath(trackFileFormat.getExtension(), "tmp");
+      trackWriter.setDirectory(new File(dirName));
+    }
+    trackWriter.setOnWriteListener(new TrackWriter.OnWriteListener() {
+        @Override
+      public void onWrite(int number, int max) {
+        // Update the progress dialog once every 500 points
+        if (updateSavingProgress && number % 500 == 0) {
+          publishProgress(number, max);
+        }
+      }
+    });
+    trackWriter.writeTrack();
+    messageId = trackWriter.getErrorMessage();
+    savedPath = trackWriter.getAbsolutePath();
+    return trackWriter.wasSuccess();
+  }
+
+  /**
+   * Saves all the tracks.
+   */
+  private Boolean saveAllTracks() {
+    Cursor cursor = null;
+    try {
+      cursor = myTracksProviderUtils.getTracksCursor(null, null, TracksColumns._ID);
+      if (cursor == null) {
+        messageId = R.string.sd_card_save_error_no_track;
+        return false;
+      }
+      int count = cursor.getCount();
+      if (count == 0) {
+        messageId = R.string.sd_card_save_error_no_track;
+        return false;
+      }
+      int idIndex = cursor.getColumnIndexOrThrow(TracksColumns._ID);
+      for (int i = 0; i < count; i++) {
+        if (isCancelled()) {
+          return false;
+        }
+        cursor.moveToPosition(i);
+        long id = cursor.getLong(idIndex);
+        if (!saveOneTrack(id, false)) {
+          return false;
+        }        
+        publishProgress(i + 1, count);
+      }
+      messageId = R.string.sd_card_save_success;
+      return true;
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+  }
+  @Override
+  protected void onProgressUpdate(Integer... values) {
+    if (saveActivity != null) {
+      saveActivity.setProgressDialogValue(values[0], values[1]);
+    }
+  }
+
+  @Override
+  protected void onPostExecute(Boolean result) {
+    success = result;
+    completed = true;
+    if (saveActivity != null) {
+      saveActivity.onAsyncTaskCompleted(success, messageId, savedPath);
+    }
+  }
+
+  @Override
+  protected void onCancelled() {
+    if (trackWriter != null) {
+      trackWriter.stopWriteTrack();
+    }
+  }
+}

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

@@ -0,0 +1,329 @@
+/*
+ * 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;
+
+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.TrackWriterFactory.TrackFileFormat;
+import com.google.android.apps.mytracks.lib.R;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
+
+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 TrackFormatWriter {
+
+  /**
+   * 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 Track track;
+  private PrintWriter printWriter;
+  private SportType sportType;
+
+  public TcxTrackWriter(Context context) {
+    this.context = context;
+  }
+
+  @Override
+  public void prepare(Track aTrack, OutputStream out) {
+    this.track = aTrack;
+    this.printWriter = new PrintWriter(out);
+    this.sportType = getSportType(track.getCategory());
+  }
+
+  @Override
+  public void close() {
+    if (printWriter != null) {
+      printWriter.close();
+      printWriter = null;
+    }
+  }
+
+  @Override
+  public String getExtension() {
+    return TrackFileFormat.TCX.getExtension();
+  }
+
+  @Override
+  public void writeHeader() {
+    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 writeBeginTrack(Location firstPoint) {
+    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(Location lastPoint) {
+    if (printWriter != null) {
+      printWriter.println("</Lap>");
+      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>");
+      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>");
+    }
+  }
+
+  @Override
+  public void writeBeginWaypoints() {
+    // Do nothing.
+  }
+
+  @Override
+  public void writeEndWaypoints() {
+    // Do nothing.
+  }
+
+  @Override
+  public void writeWaypoint(Waypoint waypoint) {
+    // Do nothing.
+  }
+
+  /**
+   * 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/TrackFormatWriter.java

@@ -0,0 +1,126 @@
+/*
+ * 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;
+
+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 a track to file.
+ *
+ * The expected sequence of calls is:
+ * <ol>
+ *   <li>{@link #prepare}
+ *   <li>{@link #writeHeader}
+ *   <li>{@link #writeBeginWaypoints}
+ *   <li>For each waypoint: {@link #writeWaypoint}
+ *   <li>{@link #writeEndWaypoints}
+ *   <li>{@link #writeBeginTrack}
+ *   <li>For each segment:
+ *   <ol>
+ *     <li>{@link #writeOpenSegment}
+ *     <li>For each location in the segment: {@link #writeLocation}
+ *     <li>{@link #writeCloseSegment}
+ *   </ol>
+ *   <li>{@link #writeEndTrack}
+ *   <li>{@link #writeFooter}
+ *   <li>{@link #close}
+ * </ol>
+ *
+ * @author Rodrigo Damazio
+ */
+public interface TrackFormatWriter {
+
+  /**
+   * Gets the file extension (i.e. gpx, kml, ...)
+   */
+  public String getExtension();
+
+  /**
+   * Sets up the writer to write the given track.
+   *
+   * @param track the track to write
+   * @param outputStream the output stream to write the track to
+   */
+  public void prepare(Track track, OutputStream outputStream);
+
+  /**
+   * Closes the underlying file handler.
+   */
+  public void close();
+
+  /**
+   * Writes the header.
+   */
+  public void writeHeader();
+
+  /**
+   * Writes the footer.
+   */
+  public void writeFooter();
+
+  /**
+   * Writes the beginning of the waypoints.
+   */
+  public void writeBeginWaypoints();
+  
+  /**
+   * 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 track.
+   * 
+   * @param firstLocation the first location
+   */
+  public void writeBeginTrack(Location firstLocation);
+
+  /**
+   * Writes the end of the track.
+   * 
+   * @param lastLocation the last location
+   */
+  public void writeEndTrack(Location lastLocation);
+
+  /**
+   * Writes the statements necessary to open a new segment.
+   */
+  public void writeOpenSegment();
+
+  /**
+   * Writes the statements necessary to close a 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/TrackWriter.java

@@ -0,0 +1,77 @@
+/*
+ * 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;
+
+import java.io.File;
+
+/**
+ * Implementations of this class export tracks to the SD card.  This class is
+ * intended to be format-neutral - it handles creating the output file and
+ * reading the track to be exported, but requires an instance of
+ * {@link TrackFormatWriter} to actually format the data.
+ *
+ * @author Sandor Dornbush
+ * @author Rodrigo Damazio
+ */
+public interface TrackWriter {
+
+  /** This listener is used to signal track writes. */
+  public interface OnWriteListener {
+    /**
+     * This method is invoked whenever a location within a track is written.
+     * @param number the location number
+     * @param max the maximum number of locations, for calculation of
+     *     completion percentage
+     */
+    public void onWrite(int number, int max);
+  }
+
+  /**
+   * Sets a listener to be invoked for each location writer.
+   */
+  void setOnWriteListener(OnWriteListener onWriteListener);
+
+  /**
+   * Sets a custom directory where the file will be written.
+   */
+  void setDirectory(File directory);
+
+  /**
+   * Returns the absolute path to the file which was created.
+   */
+  String getAbsolutePath();
+
+  /**
+   * Writes the given track id to the SD card.
+   * This is blocking.
+   */
+  void writeTrack();
+
+  /**
+   * Stop any in-progress writes
+   */
+  void stopWriteTrack();
+
+  /**
+   * Returns true if the write completed successfully.
+   */
+  boolean wasSuccess();
+
+  /**
+   * Returns the error message (if any) generated by a writer failure.
+   */
+  int getErrorMessage();
+}

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

@@ -0,0 +1,145 @@
+/*
+ * 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;
+
+import static com.google.android.apps.mytracks.Constants.TAG;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+
+import android.content.Context;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.Log;
+
+/**
+ * A factory to produce track writers for any format.
+ *
+ * @author Rodrigo Damazio
+ */
+public class TrackWriterFactory {
+
+  /**
+   * Definition of all possible track formats.
+   */
+  public enum TrackFileFormat implements Parcelable {
+    GPX {
+      @Override
+      TrackFormatWriter newFormatWriter(Context context) {
+        return new GpxTrackWriter(context);
+      }
+    },
+    KML {
+      @Override
+      TrackFormatWriter newFormatWriter(Context context) {
+        return new KmlTrackWriter(context);
+      }
+    },
+    CSV {
+      @Override
+      public TrackFormatWriter newFormatWriter(Context context) {
+        return new CsvTrackWriter(context);
+      }
+    },
+    TCX {
+      @Override
+      public TrackFormatWriter newFormatWriter(Context context) {
+        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 and returns a new format writer for each format.
+     */
+    abstract TrackFormatWriter newFormatWriter(Context context);
+
+    /**
+     * 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();
+    }
+  }
+
+  /**
+   * Creates a new track writer to write the track with the given ID.
+   *
+   * @param context the context in which the track will be read
+   * @param providerUtils the data provider utils to read the track with
+   * @param trackId the ID of the track to be written
+   * @param format the output format to write in
+   * @return the new track writer
+   */
+  public static TrackWriter newWriter(Context context,
+      MyTracksProviderUtils providerUtils,
+      long trackId, TrackFileFormat format) {
+    Track track = providerUtils.getTrack(trackId);
+    if (track == null) {
+      Log.d(TAG, "No track for " + trackId);
+      return null;
+    }
+
+    return newWriter(context, providerUtils, track, format);
+  }
+
+  /**
+   * Creates a new track writer to write the given track.
+   *
+   * @param context the context in which the track will be read
+   * @param providerUtils the data provider utils to read the track with
+   * @param track the track to be written
+   * @param format the output format to write in
+   * @return the new track writer
+   */
+  private static TrackWriter newWriter(Context context,
+      MyTracksProviderUtils providerUtils,
+      Track track, TrackFileFormat format) {
+    TrackFormatWriter writer = format.newFormatWriter(context);
+    return new TrackWriterImpl(context, providerUtils, track, writer);
+  }
+
+  private TrackWriterFactory() { }
+}

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

@@ -0,0 +1,379 @@
+/*
+ * 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;
+
+import static com.google.android.apps.mytracks.Constants.TAG;
+
+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.FileUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.Activity;
+import android.content.Context;
+import android.database.Cursor;
+import android.location.Location;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
+
+/**
+ * This class exports tracks to the SD card.  It is intended to be format-
+ * neutral -- it handles creating the output file and reading the track to be
+ * exported, but requires an instance of {@link TrackFormatWriter} to actually
+ * format the data.
+ *
+ * @author Sandor Dornbush
+ * @author Rodrigo Damazio
+ */
+class TrackWriterImpl implements TrackWriter {
+  private final Context context;
+  private final MyTracksProviderUtils providerUtils;
+  private final Track track;
+  private final TrackFormatWriter writer;
+  private boolean success = false;
+  private int errorMessage = R.string.sd_card_save_error;
+  private File directory = null;
+  private File file = null;
+  private OnWriteListener onWriteListener;
+  private Thread writeThread;
+
+  TrackWriterImpl(Context context, MyTracksProviderUtils providerUtils,
+      Track track, TrackFormatWriter writer) {
+    this.context = context;
+    this.providerUtils = providerUtils;
+    this.track = track;
+    this.writer = writer;
+  }
+
+  @Override
+  public void setOnWriteListener(OnWriteListener onWriteListener) {
+    this.onWriteListener = onWriteListener;
+  }
+
+  @Override
+  public void setDirectory(File directory) {
+    this.directory = directory;
+  }
+
+  @Override
+  public String getAbsolutePath() {
+    return file.getAbsolutePath();
+  }
+
+  private void writeTrackAsync() {
+    writeThread = new Thread() {
+      @Override
+      public void run() {
+        doWriteTrack();
+      }
+    };
+    writeThread.start();
+  }
+
+  @Override
+  public void writeTrack() {
+    writeTrackAsync();
+    try {
+      writeThread.join();
+    } catch (InterruptedException e) {
+      Log.e(Constants.TAG, "Interrupted waiting for write to complete", e);
+    }
+  }
+
+  private void doWriteTrack() {
+    // Open the input and output
+    success = false;
+    errorMessage = R.string.sd_card_save_error;
+    if (track != null) {
+      if (openFile()) {
+        try {
+          writeDocument();
+        } catch (InterruptedException e) {
+          Log.i(Constants.TAG, "The track write was interrupted");
+          if (file != null) {
+            if (!file.delete()) {
+              Log.w(TAG, "Failed to delete file " + file.getAbsolutePath());
+            }
+          }
+          success = false;
+          errorMessage = R.string.sd_card_canceled;
+        }
+      }
+    }
+  }
+
+  public void stopWriteTrack() {
+    if (writeThread != null && writeThread.isAlive()) {
+      Log.i(Constants.TAG, "Attempting to stop track write");
+      writeThread.interrupt();
+
+      try {
+        writeThread.join();
+        Log.i(Constants.TAG, "Track write stopped");
+      } catch (InterruptedException e) {
+        Log.e(Constants.TAG, "Failed to wait for writer to stop", e);
+      }
+    }
+  }
+
+  @Override
+  public int getErrorMessage() {
+    return errorMessage;
+  }
+
+  @Override
+  public boolean wasSuccess() {
+    return success;
+  }
+
+  /*
+   * Helper methods:
+   * ===============
+   */
+
+  /**
+   * Runs the given runnable in the UI thread.
+   */
+  protected void runOnUiThread(Runnable runnable) {
+    if (context instanceof Activity) {
+      ((Activity) context).runOnUiThread(runnable);
+    }
+  }
+
+  /**
+   * Opens the file and prepares the format writer for it.
+   *
+   * @return true on success, false otherwise (and errorMessage is set)
+   */
+  protected boolean openFile() {
+    if (!canWriteFile()) {
+      return false;
+    }
+
+    // Make sure the file doesn't exist yet (possibly by changing the filename)
+    String fileName = FileUtils.buildUniqueFileName(
+        directory, track.getName(), writer.getExtension());
+    if (fileName == null) {
+      Log.e(Constants.TAG,
+          "Unable to get a unique filename for " + track.getName());
+      return false;
+    }
+
+    Log.i(Constants.TAG, "Writing track to: " + fileName);
+    try {
+      writer.prepare(track, newOutputStream(fileName));
+    } catch (FileNotFoundException e) {
+      Log.e(Constants.TAG, "Failed to open output file.", e);
+      errorMessage = R.string.sd_card_save_error;
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Checks and returns whether we're ready to create the output file.
+   */
+  protected boolean canWriteFile() {
+    if (directory == null) {
+      String dirName =
+          FileUtils.buildExternalDirectoryPath(writer.getExtension());
+      directory = newFile(dirName);
+    }
+
+    if (!FileUtils.isSdCardAvailable()) {
+      Log.i(Constants.TAG, "Could not find SD card.");
+      errorMessage = R.string.sd_card_error_no_storage;
+      return false;
+    }
+    if (!FileUtils.ensureDirectoryExists(directory)) {
+      Log.i(Constants.TAG, "Could not create export directory.");
+      errorMessage = R.string.sd_card_save_error_create_dir;
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Creates a new output stream to write to the given filename.
+   *
+   * @throws FileNotFoundException if the file could't be created
+   */
+  protected OutputStream newOutputStream(String fileName)
+      throws FileNotFoundException {
+    file = new File(directory, fileName);
+    return new FileOutputStream(file);
+  }
+
+  /**
+   * Creates a new file object for the given path.
+   */
+  protected File newFile(String path) {
+    return new File(path);
+  }
+
+  /**
+   * Writes the waypoints for the given track.
+   *
+   * @param trackId the ID of the track to write waypoints for
+   */
+  private void writeWaypoints(long trackId) {
+    // TODO: Stream through he 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.
+    Cursor cursor = null;
+    cursor = providerUtils.getWaypointsCursor(trackId, 0,
+        Constants.MAX_LOADED_WAYPOINTS_POINTS);
+    boolean hasWaypoints = false;
+    if (cursor != null) {
+      try {
+        if (cursor.moveToFirst()) {
+          // Yes, this will skip the 1st way point and that is intentional
+          // as the 1st points holds the stats for the current/last segment.
+          while (cursor.moveToNext()) {
+            if (!hasWaypoints) {
+              writer.writeBeginWaypoints();
+              hasWaypoints = true;
+            }
+            Waypoint wpt = providerUtils.createWaypoint(cursor);
+            writer.writeWaypoint(wpt);
+          }
+        }
+      } finally {
+        cursor.close();
+      }
+    }
+    if (hasWaypoints) {
+      writer.writeEndWaypoints();
+    }
+  }
+
+  /**
+   * Does the actual work of writing the track to the now open file.
+   */
+  void writeDocument() throws InterruptedException {
+    Log.d(Constants.TAG, "Started writing track.");
+    writer.writeHeader();
+    writeWaypoints(track.getId());
+    writeLocations();
+    writer.writeFooter();
+    writer.close();
+    success = true;
+    Log.d(Constants.TAG, "Done writing track.");
+    errorMessage = R.string.sd_card_save_success;
+  }
+
+  private void writeLocations() throws InterruptedException {
+    boolean wroteFirst = false;
+    boolean segmentOpen = false;
+    boolean isLastValid = false;
+
+    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 tmpLoc = lastLocation;
+        lastLocation = currentLocation;
+        currentLocation = tmpLoc;
+        if (currentLocation != null) {
+          currentLocation.reset();
+        }
+      }
+    };
+
+    TrackWriterLocationFactory locationFactory = new TrackWriterLocationFactory();
+    LocationIterator it = providerUtils.getLocationIterator(track.getId(), 0, false,
+        locationFactory);
+    try {
+      if (!it.hasNext()) {
+        // Writes an empty track
+        writer.writeBeginTrack(null);
+        writer.writeEndTrack(null);
+        return;
+      }
+      int pointNumber = 0;
+      while (it.hasNext()) {
+        Location loc = it.next();
+        if (Thread.interrupted()) {
+          throw new InterruptedException();
+        }
+
+        pointNumber++;
+
+        boolean isValid = LocationUtils.isValidLocation(loc);
+        boolean validSegment = isValid && isLastValid;
+        if (!wroteFirst && validSegment) {
+          // Found the first two consecutive points which are valid
+          writer.writeBeginTrack(locationFactory.lastLocation);
+          wroteFirst = true;
+        }
+
+        if (validSegment) {
+          if (!segmentOpen) {
+            // Start a segment for this point
+            writer.writeOpenSegment();
+            segmentOpen = true;
+
+            // Write the previous point, which we had previously skipped
+            writer.writeLocation(locationFactory.lastLocation);
+          }
+
+          // Write the current point
+          writer.writeLocation(loc);
+          if (onWriteListener != null) {
+            onWriteListener.onWrite(pointNumber, track.getNumberOfPoints());
+          }
+        } else {
+          if (segmentOpen) {
+            writer.writeCloseSegment();
+            segmentOpen = false;
+          }
+        }
+
+        locationFactory.swapLocations();
+        isLastValid = isValid;
+      }
+      if (segmentOpen) {
+        writer.writeCloseSegment();
+        segmentOpen = false;
+      }
+      if (wroteFirst) {
+        writer.writeEndTrack(locationFactory.lastLocation);
+      }
+    } finally {
+      it.close();
+    }
+  }
+}

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

@@ -0,0 +1,68 @@
+/*
+ * 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.docs.SendDocsActivity;
+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.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.send_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.isSendDocs()) {
+          return SendDocsActivity.class;
+        } else {
+          return UploadResultActivity.class;
+        }
+      }
+  }
+}

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

@@ -0,0 +1,478 @@
+// 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.io.sendtogoogle.AbstractSendAsyncTask;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendToGoogleUtils;
+import com.google.android.apps.mytracks.stats.DoubleBuffer;
+import com.google.android.apps.mytracks.stats.TripStatisticsBuilder;
+import com.google.android.apps.mytracks.util.ApiAdapterFactory;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
+import com.google.android.apps.mytracks.util.UnitConversions;
+import com.google.android.maps.mytracks.R;
+import com.google.api.client.googleapis.GoogleHeaders;
+import com.google.api.client.googleapis.MethodOverride;
+import com.google.api.client.http.GenericUrl;
+import com.google.api.client.http.HttpRequest;
+import com.google.api.client.http.HttpRequestFactory;
+import com.google.api.client.http.HttpResponse;
+import com.google.api.client.http.HttpTransport;
+import com.google.api.client.http.InputStreamContent;
+import com.google.api.client.util.Strings;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.accounts.AuthenticatorException;
+import android.accounts.OperationCanceledException;
+import android.content.Context;
+import android.database.Cursor;
+import android.location.Location;
+import android.util.Log;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Vector;
+
+/**
+ * AsyncTask to send a track to Google Fusion Tables.
+ *
+ * @author Jimmy Shih
+ */
+public class SendFusionTablesAsyncTask extends AbstractSendAsyncTask {
+
+  @VisibleForTesting
+  public static final String APP_NAME_PREFIX = "Google-MyTracks-";
+  private static final String SQL_KEY = "sql=";
+  @VisibleForTesting
+  public static final String CONTENT_TYPE = "application/x-www-form-urlencoded";
+  @VisibleForTesting
+  public static final String FUSION_TABLES_BASE_URL =
+      "https://www.google.com/fusiontables/api/query";
+  private static final int MAX_POINTS_PER_UPLOAD = 2048;
+  @VisibleForTesting
+  public static final String GDATA_VERSION = "2";
+
+  private static final int PROGRESS_CREATE_TABLE = 0;
+  private static final int PROGRESS_UNLIST_TABLE = 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 static final String TAG = SendFusionTablesAsyncTask.class.getSimpleName();
+  
+  private final Context context;
+  private final long trackId;
+  private final Account account;
+  private final MyTracksProviderUtils myTracksProviderUtils;
+  private final HttpRequestFactory httpRequestFactory;
+
+  // The following variables are for per upload states
+  private String authToken;
+  private String tableId;
+  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);
+    HttpTransport transport = ApiAdapterFactory.getApiAdapter().getHttpTransport();
+    httpRequestFactory = transport.createRequestFactory(new MethodOverride());
+  }
+
+  @Override
+  protected void closeConnection() {
+    // No action needed for Google Fusion Tables
+  }
+
+  @Override
+  protected void saveResult() {
+    Track track = myTracksProviderUtils.getTrack(trackId);
+    if (track == null) {
+      Log.d(TAG, "No track for " + trackId);
+      return;
+    }
+    track.setTableId(tableId);
+    myTracksProviderUtils.updateTrack(track);
+  }
+
+  @Override
+  protected boolean performTask() {
+    // Reset the per upload states
+    authToken = null;
+    tableId = null;
+    currentSegment = 1;
+
+    try {
+      authToken = AccountManager.get(context).blockingGetAuthToken(
+          account, SendFusionTablesUtils.SERVICE, false);
+    } catch (OperationCanceledException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryTask();
+    } catch (AuthenticatorException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryTask();
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryTask();
+    }
+
+    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);
+    if (!createNewTable(track)) {
+      // Retry upload in case the auth token is invalid
+      return retryTask();
+    }
+
+    // Unlist table
+    publishProgress(PROGRESS_UNLIST_TABLE);
+    if (!unlistTable()) {
+      return false;
+    }
+
+    // Upload all the track points plus the start and end markers
+    publishProgress(PROGRESS_UPLOAD_DATA_MIN);
+    if (!uploadAllTrackPoints(track)) {
+      return false;
+    }
+
+    // Upload all the waypoints
+    publishProgress(PROGRESS_UPLOAD_WAYPOINTS);
+    if (!uploadWaypoints()) {
+      return false;
+    }
+
+    publishProgress(PROGRESS_COMPLETE);
+    return true;
+  }
+
+  @Override
+  protected void invalidateToken() {
+    AccountManager.get(context).invalidateAuthToken(Constants.ACCOUNT_TYPE, authToken);
+  }
+
+  /**
+   * Creates a new table.
+   *
+   * @param track the track
+   * @return true if success.
+   */
+  private boolean createNewTable(Track track) {
+    String query = "CREATE TABLE '" + SendFusionTablesUtils.escapeSqlString(track.getName())
+        + "' (name:STRING,description:STRING,geometry:LOCATION,marker:STRING)";
+    return sendQuery(query, true);
+  }
+
+  /**
+   * Unlists a table.
+   *
+   * @return true if success.
+   */
+  private boolean unlistTable() {
+    String query = "UPDATE TABLE " + tableId + " SET VISIBILITY = UNLISTED";
+    return sendQuery(query, false);
+  }
+
+  /**
+   * Uploads all the points in a track.
+   *
+   * @param track the track
+   * @return true if success.
+   */
+  private boolean uploadAllTrackPoints(Track track) {
+    Cursor locationsCursor = null;
+    try {
+      boolean metricUnits = PreferencesUtils.getBoolean(
+          context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
+
+      locationsCursor = myTracksProviderUtils.getLocationsCursor(trackId, 0, -1, false);
+      if (locationsCursor == null) {
+        Log.d(TAG, "Location cursor is null");
+        return false;
+      }
+      int locationsCount = locationsCursor.getCount();
+      List<Location> locations = new ArrayList<Location>(MAX_POINTS_PER_UPLOAD);
+      Location lastLocation = null;
+
+      // For chart server, limit the number of elevation readings to 250.
+      int elevationSamplingFrequency = Math.max(1, (int) (locationsCount / 250.0));
+      TripStatisticsBuilder tripStatisticsBuilder = new TripStatisticsBuilder(
+          track.getTripStatistics().getStartTime());
+      DoubleBuffer elevationBuffer = new DoubleBuffer(Constants.ELEVATION_SMOOTHING_FACTOR);
+      Vector<Double> distances = new Vector<Double>();
+      Vector<Double> elevations = new Vector<Double>();
+
+      for (int i = 0; i < locationsCount; i++) {
+        locationsCursor.moveToPosition(i);
+
+        Location location = myTracksProviderUtils.createLocation(locationsCursor);
+        locations.add(location);
+
+        if (i == 0) {
+          // Create a start marker
+          String name = context.getString(R.string.marker_label_start, track.getName());
+          if (!createNewPoint(name, "", location, MARKER_TYPE_START)) {
+            Log.d(TAG, "Unable to create the start marker");
+            return false;
+          }
+        }
+
+        // Add to the distances and elevations vectors
+        if (LocationUtils.isValidLocation(location)) {
+          tripStatisticsBuilder.addLocation(location, location.getTime());
+          // All points go into the smoothing buffer
+          elevationBuffer.setNext(metricUnits ? location.getAltitude()
+              : location.getAltitude() * UnitConversions.M_TO_FT);
+          if (i % elevationSamplingFrequency == 0) {
+            distances.add(tripStatisticsBuilder.getStatistics().getTotalDistance());
+            elevations.add(elevationBuffer.getAverage());
+          }
+          lastLocation = location;
+        }
+
+        // Upload periodically
+        int readCount = i + 1;
+        if (readCount % MAX_POINTS_PER_UPLOAD == 0) {
+          if (!prepareAndUploadPoints(track, locations, false)) {
+            Log.d(TAG, "Unable to upload points");
+            return false;
+          }
+          updateProgress(readCount, locationsCount);
+          locations.clear();
+        }
+      }
+
+      // Do a final upload with the remaining locations
+      if (!prepareAndUploadPoints(track, locations, true)) {
+        Log.d(TAG, "Unable to upload points");
+        return false;
+      }
+
+      // Create an end marker
+      if (lastLocation != null) {
+        distances.add(tripStatisticsBuilder.getStatistics().getTotalDistance());
+        elevations.add(elevationBuffer.getAverage());
+        DescriptionGenerator descriptionGenerator = new DescriptionGeneratorImpl(context);
+        track.setDescription(
+            descriptionGenerator.generateTrackDescription(track, distances, elevations, true));
+        String name = context.getString(R.string.marker_label_end, track.getName());
+        if (!createNewPoint(name, track.getDescription(), lastLocation, MARKER_TYPE_END)) {
+          Log.d(TAG, "Unable to create the end marker");
+          return false;
+        }
+      }
+
+      return true;
+    } finally {
+      if (locationsCursor != null) {
+        locationsCursor.close();
+      }
+    }
+  }
+
+  /**
+   * Prepares and uploads a list of locations from a track.
+   *
+   * @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(Track track, List<Location> locations, boolean lastBatch) {
+    // 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));
+      }
+      if (!createNewLineString(splitTrack)) {
+        Log.d(TAG, "Upload points failed");
+        return false;
+      }
+      currentSegment++;
+    }
+    return true;
+  }
+
+  /**
+   * Uploads all the waypoints.
+   *
+   * @return true if success.
+   */
+  private boolean uploadWaypoints() {
+    Cursor cursor = null;
+    try {
+      cursor = myTracksProviderUtils.getWaypointsCursor(
+          trackId, 0, 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() == Waypoint.TYPE_STATISTICS ? MARKER_TYPE_STATISTICS
+              : MARKER_TYPE_WAYPOINT;
+          if (!createNewPoint(wpt.getName(), wpt.getDescription(), wpt.getLocation(), type)) {
+            Log.d(TAG, "Upload waypoints failed");
+            return false;
+          }
+        }
+      }
+      return true;
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+  }
+
+  /**
+   * Creates a new row in Google Fusion Tables representing a marker as a
+   * point.
+   *
+   * @param name the marker name
+   * @param description the marker description
+   * @param location the marker location
+   * @param type the marker type
+   * @return true if success.
+   */
+  private boolean createNewPoint(
+      String name, String description, Location location, String type) {
+    String query = "INSERT INTO " + tableId + " (name,description,geometry,marker) VALUES "
+        + SendFusionTablesUtils.formatSqlValues(
+            name, description, SendFusionTablesUtils.getKmlPoint(location), type);
+    return sendQuery(query, false);
+  }
+
+  /**
+   * Creates a new row in Google Fusion Tables representing the track as a
+   * line segment.
+   *
+   * @param track the track
+   * @return true if success.
+   */
+  private boolean createNewLineString(Track track) {
+    String query = "INSERT INTO " + tableId + " (name,description,geometry) VALUES "
+        + SendFusionTablesUtils.formatSqlValues(track.getName(), track.getDescription(),
+            SendFusionTablesUtils.getKmlLineString(track.getLocations()));
+    return sendQuery(query, false);
+  }
+
+  /**
+   * Sends a query to Google Fusion Tables.
+   *
+   * @param query the Fusion Tables SQL query
+   * @param setTableId true to set the table id
+   * @return true if success.
+   */
+  @VisibleForTesting
+  public boolean sendQuery(String query, boolean setTableId) {
+    Log.d(TAG, "SendQuery: " + query);
+
+    if (isCancelled()) {
+      return false;
+    }
+
+    GenericUrl url = new GenericUrl(FUSION_TABLES_BASE_URL);
+    String sql = SQL_KEY + URLEncoder.encode(query);
+    ByteArrayInputStream inputStream = new ByteArrayInputStream(Strings.toBytesUtf8(sql));
+    InputStreamContent inputStreamContent = new InputStreamContent(null, inputStream);
+    HttpRequest request;
+    try {
+      request = httpRequestFactory.buildPostRequest(url, inputStreamContent);
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to build request", e);
+      return false;
+    }
+
+    GoogleHeaders headers = new GoogleHeaders();
+    headers.setApplicationName(APP_NAME_PREFIX + SystemUtils.getMyTracksVersion(context));
+    headers.gdataVersion = GDATA_VERSION;
+    headers.setGoogleLogin(authToken);
+    headers.setContentType(CONTENT_TYPE);
+    request.setHeaders(headers);
+
+    HttpResponse response;
+    try {
+      response = request.execute();
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to execute request", e);
+      return false;
+    }
+    boolean isSuccess = response.isSuccessStatusCode();
+    if (isSuccess) {
+      InputStream content = null;
+      try {
+        content = response.getContent();
+        if (setTableId) {
+          tableId = SendFusionTablesUtils.getTableId(content);
+          if (tableId == null) {
+            Log.d(TAG, "tableId is null");
+            return false;
+          }
+        }
+      } catch (IOException e) {
+        Log.d(TAG, "Unable to get response", e);
+        return false;
+      } finally {
+        if (content != null) {
+          try {
+            content.close();
+          } catch (IOException e) {
+            Log.d(TAG, "Unable to close content", e);
+          }
+        }
+      }
+    } else {
+      Log.d(TAG,
+          "sendQuery failed: " + response.getStatusMessage() + ": " + response.getStatusCode());
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * 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 +1,205 @@
+/*
+ * 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.api.client.util.Strings;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.location.Location;
+import android.util.Log;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
+import java.util.Locale;
+
+/**
+ * Utilities for sending a track to Google Fusion Tables.
+ * 
+ * @author Jimmy Shih
+ */
+public class SendFusionTablesUtils {
+
+  public static final String SERVICE = "fusiontables";
+  private static final String UTF8 = "UTF8";
+  private static final String TABLE_ID = "tableid";
+  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
+   * @return the url.
+   */
+  public static String getMapUrl(Track track) {
+    if (track == null 
+        || track.getTripStatistics() == null 
+        || track.getTableId() == null
+        || track.getTableId().length() == 0) {
+      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, track.getTableId(), 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.
+   */
+  public 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());
+    }
+  }
+
+  /**
+   * Gets the table id from an input streawm.
+   *
+   * @param inputStream input stream
+   * @return table id or null if not available.
+   */
+  public static String getTableId(InputStream inputStream) {
+    if (inputStream == null) {
+      Log.d(TAG, "inputStream is null");
+      return null;
+    }
+    byte[] result = new byte[1024];
+    int read;
+    try {
+      read = inputStream.read(result);
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to read result", e);
+      return null;
+    }
+    if (read == -1) {
+      Log.d(TAG, "no data read");
+      return null;
+    }
+    String s;
+    try {
+      s = new String(result, 0, read, UTF8);
+    } catch (UnsupportedEncodingException e) {
+      Log.d(TAG, "Unable to parse result", e);
+      return null;
+    }
+
+    String[] lines = s.split(Strings.LINE_SEPARATOR);
+    if (lines.length > 1 && lines[0].equals(TABLE_ID)) {
+      // returns the next line
+      return lines[1];
+    } else {
+      Log.d(TAG, "Response is not valid: " + s);
+      return null;
+    }
+  }
+}

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

@@ -0,0 +1,459 @@
+/*
+ * 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;
+    try {
+      encodedUri = URLEncoder.encode(uri, "UTF-8");
+    } catch (UnsupportedEncodingException uee) {
+      // should not happen.
+      Log.e("JakartaGDataClient", "UTF-8 not supported -- should not happen.  "
+          + "Using default encoding.", uee);
+      encodedUri = URLEncoder.encode(uri);
+    }
+    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 +1,51 @@
+/*
+ * 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.android.apps.mytracks.Constants;
+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 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(Constants.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 +1,106 @@
+/*
+ * 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 android.util.Log;
+
+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.
+        Log.w("QueryParamsImpl", "UTF-8 not supported -- should not happen.  "
+            + "Using default encoding.", uee);
+        encodedValue = URLEncoder.encode(value);
+      }
+      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/docs/DocumentsClient.java

@@ -0,0 +1,46 @@
+/*
+ * 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.io.gdata.docs;
+
+import com.google.wireless.gdata.client.GDataClient;
+import com.google.wireless.gdata.client.GDataParserFactory;
+import com.google.wireless.gdata.client.GDataServiceClient;
+
+/**
+ * GDataServiceClient for accessing Google Documents. This is not a full
+ * implementation.
+ */
+public class DocumentsClient extends GDataServiceClient {
+  /** The name of the service, dictated to be 'wise' by the protocol. */
+  public static final String SERVICE = "writely";
+
+  /**
+   * Creates a new DocumentsClient.
+   * 
+   * @param client The GDataClient that should be used to authenticate requests,
+   *        retrieve feeds, etc
+   * @param parserFactory The GDataParserFactory that should be used to obtain
+   *        GDataParsers used by this client
+   */
+  public DocumentsClient(GDataClient client, GDataParserFactory parserFactory) {
+    super(client, parserFactory);
+  }
+
+  @Override
+  public String getServiceName() {
+    return SERVICE;
+  }
+}

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

@@ -0,0 +1,269 @@
+/*
+ * Copyright 2007 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.docs;
+
+import com.google.wireless.gdata.client.GDataClient;
+import com.google.wireless.gdata.client.GDataParserFactory;
+import com.google.wireless.gdata.client.GDataServiceClient;
+import com.google.wireless.gdata.client.HttpException;
+import com.google.wireless.gdata.data.Entry;
+import com.google.wireless.gdata.data.StringUtils;
+import com.google.wireless.gdata.parser.GDataParser;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata.serializer.GDataSerializer;
+import com.google.wireless.gdata2.client.AuthenticationException;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * GDataServiceClient for accessing Google Spreadsheets. This client can access
+ * and parse all of the Spreadsheets feed types: Spreadsheets feed, Worksheets
+ * feed, List feed, and Cells feed. Read operations are supported on all feed
+ * types, but only the List and Cells feeds support write operations. (This is a
+ * limitation of the protocol, not this API. Such write access may be added to
+ * the protocol in the future, requiring changes to this implementation.)
+ * 
+ * Only 'private' visibility and 'full' projections are currently supported.
+ */
+public class SpreadsheetsClient extends GDataServiceClient {
+  /** The name of the service, dictated to be 'wise' by the protocol. */
+  public static final String SERVICE = "wise";
+
+  /** Standard base feed url for spreadsheets. */
+  public static final String SPREADSHEETS_BASE_FEED_URL =
+      "http://spreadsheets.google.com/feeds/spreadsheets/private/full";
+
+  /**
+   * Represents an entry in a GData Spreadsheets meta-feed.
+   */
+  public static class SpreadsheetEntry extends Entry { }
+
+  /**
+   * Represents an entry in a GData Worksheets meta-feed.
+   */
+  public static class WorksheetEntry extends Entry { }
+
+  /**
+   * Creates a new SpreadsheetsClient. Uses the standard base URL for
+   * spreadsheets feeds.
+   * 
+   * @param client The GDataClient that should be used to authenticate requests,
+   *        retrieve feeds, etc
+   */
+  public SpreadsheetsClient(GDataClient client,
+      GDataParserFactory spreadsheetFactory) {
+    super(client, spreadsheetFactory);
+  }
+
+  @Override
+  public String getServiceName() {
+    return SERVICE;
+  }
+
+  /**
+   * Returns a parser for the specified feed type.
+   * 
+   * @param feedEntryClass the Class of entry type that will be parsed, which
+   *        lets this method figure out which parser to create
+   * @param feedUri the URI of the feed to be fetched and parsed
+   * @param authToken the current authToken to use for the request
+   * @return a parser for the indicated feed
+   * @throws AuthenticationException if the authToken is not valid
+   * @throws ParseException if the response from the server could not be parsed
+   */
+  private GDataParser getParserForTypedFeed(
+      Class<? extends Entry> feedEntryClass, String feedUri, String authToken)
+      throws AuthenticationException, ParseException, IOException {
+    GDataClient gDataClient = getGDataClient();
+    GDataParserFactory gDataParserFactory = getGDataParserFactory();
+
+    try {
+      InputStream is = gDataClient.getFeedAsStream(feedUri, authToken);
+      return gDataParserFactory.createParser(feedEntryClass, is);
+    } catch (HttpException e) {
+      convertHttpExceptionForReads("Could not fetch parser feed.", e);
+      return null; // never reached
+    }
+  }
+
+  /**
+   * Converts an HTTP exception that happened while reading into the equivalent
+   * local exception.
+   */
+  public void convertHttpExceptionForReads(String message, HttpException cause)
+      throws AuthenticationException, IOException {
+    switch (cause.getStatusCode()) {
+      case HttpException.SC_FORBIDDEN:
+      case HttpException.SC_UNAUTHORIZED:
+        throw new AuthenticationException(message, cause);
+      case HttpException.SC_GONE:
+      default:
+        throw new IOException(message + ": " + cause.getMessage());
+    }
+  }
+
+  @Override
+  public Entry createEntry(String feedUri, String authToken, Entry entry)
+      throws ParseException, IOException {
+
+    GDataParserFactory factory = getGDataParserFactory();
+    GDataSerializer serializer = factory.createSerializer(entry);
+
+    InputStream is;
+    try {
+      is = getGDataClient().createEntry(feedUri, authToken, serializer);
+    } catch (HttpException e) {
+      convertHttpExceptionForWrites(entry.getClass(),
+          "Could not update entry.", e);
+      return null; // never reached.
+    }
+
+    GDataParser parser = factory.createParser(entry.getClass(), is);
+    try {
+      return parser.parseStandaloneEntry();
+    } finally {
+      parser.close();
+    }
+  }
+
+  /**
+   * Fetches a GDataParser for the indicated feed. The parser can be used to
+   * access the contents of URI. WARNING: because we cannot reliably infer the
+   * feed type from the URI alone, this method assumes the default feed type!
+   * This is probably NOT what you want. Please use the getParserFor[Type]Feed
+   * methods.
+   * 
+   * @param feedEntryClass
+   * @param feedUri the URI of the feed to be fetched and parsed
+   * @param authToken the current authToken to use for the request
+   * @return a parser for the indicated feed
+   * @throws ParseException if the response from the server could not be parsed
+   */
+  @SuppressWarnings("rawtypes")
+  @Override
+  public GDataParser getParserForFeed(
+      Class feedEntryClass, String feedUri, String authToken)
+      throws ParseException, IOException {
+    try {
+      return getParserForTypedFeed(SpreadsheetEntry.class, feedUri, authToken);
+    } catch (AuthenticationException e) {
+      throw new IOException("Authentication Failure: " + e.getMessage());
+    }
+  }
+
+  /**
+   * Returns a parser for a Worksheets meta-feed.
+   * 
+   * @param feedUri the URI of the feed to be fetched and parsed
+   * @param authToken the current authToken to use for the request
+   * @return a parser for the indicated feed
+   * @throws AuthenticationException if the authToken is not valid
+   * @throws ParseException if the response from the server could not be parsed
+   */
+  public GDataParser getParserForWorksheetsFeed(
+      String feedUri, String authToken)
+      throws AuthenticationException, ParseException, IOException {
+    return getParserForTypedFeed(WorksheetEntry.class, feedUri, authToken);
+  }
+
+  /**
+   * Updates an entry. The URI to be updated is taken from <code>entry</code>.
+   * Note that only entries in List and Cells feeds can be updated, so
+   * <code>entry</code> must be of the corresponding type; other types will
+   * result in an exception.
+   * 
+   * @param entry the entry to be updated; must include its URI
+   * @param authToken the current authToken to be used for the operation
+   * @return An Entry containing the re-parsed version of the entry returned by
+   *         the server in response to the update
+   * @throws ParseException if the server returned an error, if the server's
+   *         response was unparseable (unlikely), or if <code>entry</code> is of
+   *         a read-only type
+   * @throws IOException on network error
+   */
+  @Override
+  public Entry updateEntry(Entry entry, String authToken)
+      throws ParseException, IOException {
+    GDataParserFactory factory = getGDataParserFactory();
+    GDataSerializer serializer = factory.createSerializer(entry);
+
+    String editUri = entry.getEditUri();
+    if (StringUtils.isEmpty(editUri)) {
+      throw new ParseException("No edit URI -- cannot update.");
+    }
+
+    InputStream is;
+    try {
+      is = getGDataClient().updateEntry(editUri, authToken, serializer);
+    } catch (HttpException e) {
+      convertHttpExceptionForWrites(entry.getClass(),
+          "Could not update entry.", e);
+      return null; // never reached
+    }
+
+    GDataParser parser = factory.createParser(entry.getClass(), is);
+    try {
+      return parser.parseStandaloneEntry();
+    } finally {
+      parser.close();
+    }
+  }
+
+  /**
+   * Converts an HTTP exception which happened while writing to the equivalent
+   * local exception.
+   */
+  @SuppressWarnings("rawtypes")
+  private void convertHttpExceptionForWrites(
+      Class entryClass, String message, HttpException cause)
+      throws ParseException, IOException {
+    switch (cause.getStatusCode()) {
+      case HttpException.SC_CONFLICT:
+        if (entryClass != null) {
+          InputStream is = cause.getResponseStream();
+          if (is != null) {
+            parseEntry(entryClass, cause.getResponseStream());
+          }
+        }
+        throw new IOException(message);
+      case HttpException.SC_BAD_REQUEST:
+        throw new ParseException(message + ": " + cause);
+      case HttpException.SC_FORBIDDEN:
+      case HttpException.SC_UNAUTHORIZED:
+        throw new IOException(message);
+      default:
+        throw new IOException(message + ": " + cause.getMessage());
+    }
+  }
+
+  /**
+   * Parses one entry from the input stream.
+   */
+  @SuppressWarnings("rawtypes")
+  private Entry parseEntry(Class entryClass, InputStream is)
+      throws ParseException, IOException {
+    GDataParser parser = null;
+    try {
+      parser = getGDataParserFactory().createParser(entryClass, is);
+      return parser.parseStandaloneEntry();
+    } finally {
+      if (parser != null) {
+        parser.close();
+      }
+    }
+  }
+}

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

@@ -0,0 +1,72 @@
+/*
+ * 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.docs;
+
+import com.google.wireless.gdata.client.GDataParserFactory;
+import com.google.wireless.gdata.data.Entry;
+import com.google.wireless.gdata.parser.GDataParser;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata.parser.xml.XmlGDataParser;
+import com.google.wireless.gdata.parser.xml.XmlParserFactory;
+import com.google.wireless.gdata.serializer.GDataSerializer;
+import com.google.wireless.gdata.serializer.xml.XmlEntryGDataSerializer;
+
+import java.io.InputStream;
+
+import org.xmlpull.v1.XmlPullParserException;
+
+/**
+ * Factory of Xml parsers for gdata maps data.
+ */
+public class XmlDocsGDataParserFactory implements GDataParserFactory {
+  private XmlParserFactory xmlFactory;
+
+  public XmlDocsGDataParserFactory(XmlParserFactory xmlFactory) {
+    this.xmlFactory = xmlFactory;
+  }
+
+  @Override
+  public GDataParser createParser(InputStream is) throws ParseException {
+    try {
+      return new XmlGDataParser(is, xmlFactory.createParser());
+    } catch (XmlPullParserException e) {
+      e.printStackTrace();
+      return null;
+    }
+  }
+
+  @SuppressWarnings("rawtypes")
+  @Override
+  public GDataParser createParser(Class cls, InputStream is)
+      throws ParseException {
+    try {
+      return createParserForClass(is);
+    } catch (XmlPullParserException e) {
+      e.printStackTrace();
+      return null;
+    }
+  }
+
+  private GDataParser createParserForClass(InputStream is)
+      throws ParseException, XmlPullParserException {
+    return new XmlGDataParser(is, xmlFactory.createParser());
+  }
+
+  @Override
+  public GDataSerializer createSerializer(Entry en) {
+    return new XmlEntryGDataSerializer(xmlFactory, en);
+  }
+}

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 +1,233 @@
+// Copyright 2009 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+import com.google.android.maps.GeoPoint;
+
+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;
+
+  /**
+   * The latitudes of the points of this feature in order, specified in
+   * millionths of a degree north.
+   */
+  private final Vector<Integer> latitudeE6 = new Vector<Integer>();
+
+  /**
+   * The longitudes of the points of this feature in order, specified in
+   * millionths of a degree east.
+   */
+  private final Vector<Integer> longitudeE6 = new Vector<Integer>();
+
+  /** 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 point The new point to add
+   */
+  public void addPoint(GeoPoint point) {
+    latitudeE6.add(point.getLatitudeE6());
+    longitudeE6.add(point.getLongitudeE6());
+  }
+
+  /**
+   * 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);
+  }
+
+  /**
+   * Retrieves the point at the given index for this feature.
+   *
+   * @param index The index of the point desired
+   * @return A {@link GeoPoint} representing the point or null if that point
+   *         doesn't exist
+   */
+  public GeoPoint getPoint(int index) {
+    if (latitudeE6.size() <= index) {
+      return null;
+    }
+    return new GeoPoint(latitudeE6.get(index), longitudeE6.get(index));
+  }
+
+  /**
+   * Counts the number of points in this feature and return that count.
+   *
+   * @return The number of points in this feature
+   */
+  public int getPointCount() {
+    return latitudeE6.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;
+  }
+}

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

@@ -0,0 +1,178 @@
+// Copyright 2009 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+import com.google.wireless.gdata.data.Entry;
+import com.google.wireless.gdata.data.StringUtils;
+
+import android.graphics.Color;
+import android.util.Log;
+
+import java.io.IOException;
+import java.io.StringWriter;
+
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlPullParserFactory;
+import org.xmlpull.v1.XmlSerializer;
+
+/**
+ * Converter from GData objects to Maps objects.
+ */
+public class MapsGDataConverter {
+
+  private final XmlSerializer xmlSerializer;
+
+  public MapsGDataConverter() throws XmlPullParserException {
+    xmlSerializer = XmlPullParserFactory.newInstance().newSerializer();
+  }
+
+  public static MapsMapMetadata getMapMetadataForEntry(
+      MapFeatureEntry entry) {
+    MapsMapMetadata metadata = new MapsMapMetadata();
+    if ("public".equals(entry.getPrivacy())) {
+      metadata.setSearchable(true);
+    } else {
+      metadata.setSearchable(false);
+    }
+    metadata.setTitle(entry.getTitle());
+    metadata.setDescription(entry.getSummary());
+
+    String editUri = entry.getEditUri();
+    if (editUri != null) {
+      metadata.setGDataEditUri(editUri);
+    }
+
+    return metadata;
+  }
+
+  public static String getMapidForEntry(Entry entry) {
+    return MapsClient.getMapIdFromMapEntryId(entry.getId());
+  }
+
+  public static Entry getMapEntryForMetadata(MapsMapMetadata metadata) {
+    MapFeatureEntry entry = new MapFeatureEntry();
+    entry.setEditUri(metadata.getGDataEditUri());
+    entry.setTitle(metadata.getTitle());
+    entry.setSummary(metadata.getDescription());
+    entry.setPrivacy(metadata.getSearchable() ? "public" : "unlisted");
+    entry.setAuthor("android");
+    entry.setEmail("nobody@google.com");
+    return entry;
+  }
+
+  public MapFeatureEntry getEntryForFeature(MapsFeature feature) {
+    MapFeatureEntry entry = new MapFeatureEntry();
+    entry.setTitle(feature.getTitle());
+    entry.setAuthor("android");
+    entry.setEmail("nobody@google.com");
+    entry.setCategoryScheme("http://schemas.google.com/g/2005#kind");
+    entry.setCategory("http://schemas.google.com/g/2008#mapfeature");
+    entry.setEditUri("");
+    if (!StringUtils.isEmpty(feature.getAndroidId())) {
+      entry.setAttribute("_androidId", feature.getAndroidId());
+    }
+    try {
+      StringWriter writer = new StringWriter();
+      xmlSerializer.setOutput(writer);
+      xmlSerializer.startTag(null, "Placemark");
+      xmlSerializer.attribute(null, "xmlns", "http://earth.google.com/kml/2.2");
+      xmlSerializer.startTag(null, "Style");
+      if (feature.getType() == MapsFeature.MARKER) {
+        xmlSerializer.startTag(null, "IconStyle");
+        xmlSerializer.startTag(null, "Icon");
+        xmlSerializer.startTag(null, "href");
+        xmlSerializer.text(feature.getIconUrl());
+        xmlSerializer.endTag(null, "href");
+        xmlSerializer.endTag(null, "Icon");
+        xmlSerializer.endTag(null, "IconStyle");
+      } else {
+        xmlSerializer.startTag(null, "LineStyle");
+        xmlSerializer.startTag(null, "color");
+        int color = feature.getColor();
+        // Reverse the color because KML is ABGR and Android is ARGB
+        xmlSerializer.text(Integer.toHexString(
+            Color.argb(Color.alpha(color), Color.blue(color),
+            Color.green(color), Color.red(color))));
+        xmlSerializer.endTag(null, "color");
+        xmlSerializer.startTag(null, "width");
+        xmlSerializer.text(Integer.toString(feature.getLineWidth()));
+        xmlSerializer.endTag(null, "width");
+        xmlSerializer.endTag(null, "LineStyle");
+
+        if (feature.getType() == MapsFeature.SHAPE) {
+          xmlSerializer.startTag(null, "PolyStyle");
+          xmlSerializer.startTag(null, "color");
+          int fcolor = feature.getFillColor();
+          // Reverse the color because KML is ABGR and Android is ARGB
+          xmlSerializer.text(Integer.toHexString(Color.argb(Color.alpha(fcolor),
+              Color.blue(fcolor), Color.green(fcolor), Color.red(fcolor))));
+          xmlSerializer.endTag(null, "color");
+          xmlSerializer.startTag(null, "fill");
+          xmlSerializer.text("1");
+          xmlSerializer.endTag(null, "fill");
+          xmlSerializer.startTag(null, "outline");
+          xmlSerializer.text("1");
+          xmlSerializer.endTag(null, "outline");
+          xmlSerializer.endTag(null, "PolyStyle");
+        }
+      }
+      xmlSerializer.endTag(null, "Style");
+      xmlSerializer.startTag(null, "name");
+      xmlSerializer.text(feature.getTitle());
+      xmlSerializer.endTag(null, "name");
+      xmlSerializer.startTag(null, "description");
+      xmlSerializer.cdsect(feature.getDescription());
+      xmlSerializer.endTag(null, "description");
+      StringBuilder pointBuilder = new StringBuilder();
+      for (int i = 0; i < feature.getPointCount(); ++i) {
+        if (i > 0) {
+          pointBuilder.append('\n');
+        }
+        pointBuilder.append(feature.getPoint(i).getLongitudeE6() / 1e6);
+        pointBuilder.append(',');
+        pointBuilder.append(feature.getPoint(i).getLatitudeE6() / 1e6);
+        pointBuilder.append(",0.000000");
+      }
+      String pointString = pointBuilder.toString();
+      if (feature.getType() == MapsFeature.MARKER) {
+        xmlSerializer.startTag(null, "Point");
+        xmlSerializer.startTag(null, "coordinates");
+        xmlSerializer.text(pointString);
+        xmlSerializer.endTag(null, "coordinates");
+        xmlSerializer.endTag(null, "Point");
+      } else if (feature.getType() == MapsFeature.LINE) {
+        xmlSerializer.startTag(null, "LineString");
+        xmlSerializer.startTag(null, "tessellate");
+        xmlSerializer.text("1");
+        xmlSerializer.endTag(null, "tessellate");
+        xmlSerializer.startTag(null, "coordinates");
+        xmlSerializer.text(pointString);
+        xmlSerializer.endTag(null, "coordinates");
+        xmlSerializer.endTag(null, "LineString");
+      } else {
+        xmlSerializer.startTag(null, "Polygon");
+        xmlSerializer.startTag(null, "outerBoundaryIs");
+        xmlSerializer.startTag(null, "LinearRing");
+        xmlSerializer.startTag(null, "tessellate");
+        xmlSerializer.text("1");
+        xmlSerializer.endTag(null, "tessellate");
+        xmlSerializer.startTag(null, "coordinates");
+        xmlSerializer.text(pointString + "\n"
+            + Double.toString(feature.getPoint(0).getLongitudeE6() / 1e6)
+            + ","
+            + Double.toString(feature.getPoint(0).getLatitudeE6() / 1e6)
+            + ",0.000000");
+        xmlSerializer.endTag(null, "coordinates");
+        xmlSerializer.endTag(null, "LinearRing");
+        xmlSerializer.endTag(null, "outerBoundaryIs");
+        xmlSerializer.endTag(null, "Polygon");
+      }
+      xmlSerializer.endTag(null, "Placemark");
+      xmlSerializer.flush();
+      entry.setContent(writer.toString());
+      Log.d("My Google Maps", "Edit URI: " + entry.getEditUri());
+    } catch (IOException e) {
+      e.printStackTrace();
+    }
+    return entry;
+  }
+}

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

@@ -0,0 +1,52 @@
+// Copyright 2009 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+/**
+ * Metadata about a Google Maps map.
+ */
+public class MapsMapMetadata {
+
+  private String title;
+  private String description;
+  private String gdataEditUri;
+  private boolean searchable;
+
+  public MapsMapMetadata() {
+    title = "";
+    description = "";
+    gdataEditUri = "";
+    searchable = false;
+  }
+
+  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 boolean getSearchable() {
+    return searchable;
+  }
+
+  public void setSearchable(boolean searchable) {
+    this.searchable = searchable;
+  }
+
+  public String getGDataEditUri() {
+    return gdataEditUri;
+  }
+
+  public void setGDataEditUri(String editUri) {
+    this.gdataEditUri = editUri;
+  }
+}

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

@@ -0,0 +1,163 @@
+// Copyright 2009 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+import com.google.wireless.gdata.data.Entry;
+import com.google.wireless.gdata.data.Feed;
+import com.google.wireless.gdata.data.XmlUtils;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata.parser.xml.XmlGDataParser;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Parser for XML gdata maps data.
+ */
+class XmlMapsGDataParser extends XmlGDataParser {
+
+  public XmlMapsGDataParser(InputStream is, XmlPullParser xpp)
+      throws ParseException {
+    super(is, xpp);
+  }
+
+  @Override
+  protected Feed createFeed() {
+    return new Feed();
+  }
+
+  @Override
+  protected Entry createEntry() {
+    return new MapFeatureEntry();
+  }
+
+  @Override
+  protected void handleExtraElementInFeed(Feed feed) {
+    // Do nothing
+  }
+
+  @Override
+  protected void handleExtraLinkInEntry(
+      String rel, String type, String href, Entry entry)
+      throws XmlPullParserException, IOException {
+    if (!(entry instanceof MapFeatureEntry)) {
+      throw new IllegalArgumentException("Expected MapFeatureEntry!");
+    }
+    if (rel.endsWith("#view")) {
+      return;
+    }
+    super.handleExtraLinkInEntry(rel, type, href, entry);
+  }
+
+  /**
+   * Parses the current entry in the XML document. Assumes that the parser is
+   * currently pointing just after an <entry>.
+   * 
+   * @param plainEntry The entry that will be filled.
+   * @throws XmlPullParserException Thrown if the XML cannot be parsed.
+   * @throws IOException Thrown if the underlying inputstream cannot be read.
+   */
+  @Override
+  protected void handleEntry(Entry plainEntry)
+      throws XmlPullParserException, IOException, ParseException {
+    XmlPullParser parser = getParser();
+    if (!(plainEntry instanceof MapFeatureEntry)) {
+      throw new IllegalArgumentException("Expected MapFeatureEntry!");
+    }
+    MapFeatureEntry entry = (MapFeatureEntry) plainEntry;
+
+    int eventType = parser.getEventType();
+    entry.setPrivacy("public");
+    while (eventType != XmlPullParser.END_DOCUMENT) {
+      switch (eventType) {
+        case XmlPullParser.START_TAG:
+          String name = parser.getName();
+          if ("entry".equals(name)) {
+            // stop parsing here.
+            return;
+          } else if ("id".equals(name)) {
+            entry.setId(XmlUtils.extractChildText(parser));
+          } else if ("title".equals(name)) {
+            entry.setTitle(XmlUtils.extractChildText(parser));
+          } else if ("link".equals(name)) {
+            String rel = parser.getAttributeValue(null /* ns */, "rel");
+            String type = parser.getAttributeValue(null /* ns */, "type");
+            String href = parser.getAttributeValue(null /* ns */, "href");
+            if ("edit".equals(rel)) {
+              entry.setEditUri(href);
+            } else if ("alternate".equals(rel) && "text/html".equals(type)) {
+              entry.setHtmlUri(href);
+            } else {
+              handleExtraLinkInEntry(rel, type, href, entry);
+            }
+          } else if ("summary".equals(name)) {
+            entry.setSummary(XmlUtils.extractChildText(parser));
+          } else if ("content".equals(name)) {
+            StringBuilder contentBuilder = new StringBuilder();
+            int parentDepth = parser.getDepth();
+            while (parser.getEventType() != XmlPullParser.END_DOCUMENT) {
+              int etype = parser.next();
+              switch (etype) {
+                case XmlPullParser.START_TAG:
+                  contentBuilder.append('<');
+                  contentBuilder.append(parser.getName());
+                  contentBuilder.append('>');
+                  break;
+                case XmlPullParser.TEXT:
+                  contentBuilder.append("<![CDATA[");
+                  contentBuilder.append(parser.getText());
+                  contentBuilder.append("]]>");
+                  break;
+                case XmlPullParser.END_TAG:
+                  if (parser.getDepth() > parentDepth) {
+                    contentBuilder.append("</");
+                    contentBuilder.append(parser.getName());
+                    contentBuilder.append('>');
+                  }
+                  break;
+              }
+              if (etype == XmlPullParser.END_TAG
+                  && parser.getDepth() == parentDepth) {
+                break;
+              }
+            }
+            entry.setContent(contentBuilder.toString());
+          } else if ("category".equals(name)) {
+            String category = parser.getAttributeValue(null /* ns */, "term");
+            if (category != null && category.length() > 0) {
+              entry.setCategory(category);
+            }
+            String categoryScheme =
+                parser.getAttributeValue(null /* ns */, "scheme");
+            if (categoryScheme != null && category.length() > 0) {
+              entry.setCategoryScheme(categoryScheme);
+            }
+          } else if ("published".equals(name)) {
+            entry.setPublicationDate(XmlUtils.extractChildText(parser));
+          } else if ("updated".equals(name)) {
+            entry.setUpdateDate(XmlUtils.extractChildText(parser));
+          } else if ("deleted".equals(name)) {
+            entry.setDeleted(true);
+          } else if ("draft".equals(name)) {
+            String draft = XmlUtils.extractChildText(parser);
+            entry.setPrivacy("yes".equals(draft) ? "unlisted" : "public");
+          } else if ("customProperty".equals(name)) {
+            String attrName = parser.getAttributeValue(null, "name");
+            String attrValue = XmlUtils.extractChildText(parser);
+            entry.setAttribute(attrName, attrValue);
+          } else if ("deleted".equals(name)) {
+            entry.setDeleted(true);
+          } else {
+            handleExtraElementInEntry(entry);
+          }
+          break;
+        default:
+          break;
+      }
+
+      eventType = parser.next();
+    }
+  }
+}

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

@@ -0,0 +1,94 @@
+// Copyright 2010 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+import com.google.wireless.gdata.client.GDataParserFactory;
+import com.google.wireless.gdata.data.Entry;
+import com.google.wireless.gdata.parser.GDataParser;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata.parser.xml.XmlGDataParser;
+import com.google.wireless.gdata.parser.xml.XmlParserFactory;
+import com.google.wireless.gdata.serializer.GDataSerializer;
+import com.google.wireless.gdata.serializer.xml.XmlEntryGDataSerializer;
+
+import android.util.Log;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.xmlpull.v1.XmlPullParserException;
+
+/**
+ * Factory of Xml parsers for gdata maps data.
+ */
+public class XmlMapsGDataParserFactory implements GDataParserFactory {
+  private XmlParserFactory xmlFactory;
+
+  public XmlMapsGDataParserFactory(XmlParserFactory xmlFactory) {
+    this.xmlFactory = xmlFactory;
+  }
+
+  @Override
+  public GDataParser createParser(InputStream is) throws ParseException {
+    is = maybeLogCommunication(is);
+    try {
+      return new XmlGDataParser(is, xmlFactory.createParser());
+    } catch (XmlPullParserException e) {
+      e.printStackTrace();
+      return null;
+    }
+  }
+
+  @SuppressWarnings({ "unchecked", "rawtypes" })
+  @Override
+  public GDataParser createParser(Class cls, InputStream is)
+      throws ParseException {
+    is = maybeLogCommunication(is);
+    try {
+      return createParserForClass(cls, is);
+    } catch (XmlPullParserException e) {
+      e.printStackTrace();
+      return null;
+    }
+  }
+
+  private InputStream maybeLogCommunication(InputStream is)
+      throws ParseException {
+    if (MapsClient.LOG_COMMUNICATION) {
+      StringBuilder builder = new StringBuilder();
+      byte[] buffer = new byte[2048];
+      try {
+        for (int n = is.read(buffer); n >= 0; n = is.read(buffer)) {
+          String part = new String(buffer, 0, n);
+          builder.append(part);
+          Log.d("Response part", part);
+        }
+      } catch (IOException e) {
+        throw new ParseException("Could not read stream", e);
+      }
+      String whole = builder.toString();
+      Log.d("Response", whole);
+      is = new ByteArrayInputStream(whole.getBytes());
+    }
+    return is;
+  }
+
+  private GDataParser createParserForClass(
+      Class<? extends Entry> cls, InputStream is)
+      throws ParseException, XmlPullParserException {
+    if (cls == MapFeatureEntry.class) {
+      return new XmlMapsGDataParser(is, xmlFactory.createParser());
+    } else {
+      return new XmlGDataParser(is, xmlFactory.createParser());
+    }
+  }
+
+  @Override
+  public GDataSerializer createSerializer(Entry en) {
+    if (en instanceof MapFeatureEntry) {
+      return new XmlMapsGDataSerializer(xmlFactory, (MapFeatureEntry) en);
+    } else {
+      return new XmlEntryGDataSerializer(xmlFactory, en);
+    }
+  }
+}

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

@@ -0,0 +1,262 @@
+// Copyright 2010 Google Inc. All Rights Reserved.
+package com.google.android.apps.mytracks.io.gdata.maps;
+
+import com.google.wireless.gdata.data.StringUtils;
+import com.google.wireless.gdata.parser.ParseException;
+import com.google.wireless.gdata.parser.xml.XmlGDataParser;
+import com.google.wireless.gdata.parser.xml.XmlParserFactory;
+import com.google.wireless.gdata.serializer.xml.XmlEntryGDataSerializer;
+
+import android.util.Log;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Map;
+
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlSerializer;
+
+/**
+ * Serializer of maps data for GData.
+ */
+class XmlMapsGDataSerializer extends XmlEntryGDataSerializer {
+
+  private static final String APP_NAMESPACE = "http://www.w3.org/2007/app";
+
+  private MapFeatureEntry entry;
+  private XmlParserFactory factory;
+  private OutputStream stream;
+
+  public XmlMapsGDataSerializer(XmlParserFactory factory, MapFeatureEntry entry) {
+    super(factory, entry);
+
+    this.factory = factory;
+    this.entry = entry;
+  }
+
+  @Override
+  public void serialize(OutputStream out, int format)
+      throws IOException, ParseException {
+    XmlSerializer serializer = null;
+    try {
+      serializer = factory.createSerializer();
+    } catch (XmlPullParserException e) {
+      throw new ParseException("Unable to create XmlSerializer.", e);
+    }
+
+    ByteArrayOutputStream printStream;
+
+    if (MapsClient.LOG_COMMUNICATION) {
+      printStream = new ByteArrayOutputStream();
+
+      serializer.setOutput(printStream, "UTF-8");
+    } else {
+      serializer.setOutput(out, "UTF-8");
+    }
+
+    serializer.startDocument("UTF-8", Boolean.FALSE);
+
+    declareEntryNamespaces(serializer);
+    serializer.startTag(XmlGDataParser.NAMESPACE_ATOM_URI, "entry");
+
+    if (MapsClient.LOG_COMMUNICATION) {
+      stream = printStream;
+    } else {
+      stream = out;
+    }
+    serializeEntryContents(serializer, format);
+
+    serializer.endTag(XmlGDataParser.NAMESPACE_ATOM_URI, "entry");
+    serializer.endDocument();
+    serializer.flush();
+
+    if (MapsClient.LOG_COMMUNICATION) {
+      Log.d("Request", printStream.toString());
+      out.write(printStream.toByteArray());
+      stream = out;
+    }
+  }
+
+  private final void declareEntryNamespaces(XmlSerializer serializer)
+      throws IOException {
+    serializer.setPrefix(
+        "" /* default ns */, XmlGDataParser.NAMESPACE_ATOM_URI);
+    serializer.setPrefix(
+        XmlGDataParser.NAMESPACE_GD, XmlGDataParser.NAMESPACE_GD_URI);
+    declareExtraEntryNamespaces(serializer);
+  }
+
+  private final void serializeEntryContents(XmlSerializer serializer,
+      int format) throws IOException {
+    if (format != FORMAT_CREATE) {
+      serializeId(serializer, entry.getId());
+    }
+
+    serializeTitle(serializer, entry.getTitle());
+
+    if (format != FORMAT_CREATE) {
+      serializeLink(serializer,
+          "edit" /* rel */, entry.getEditUri(), null /* type */);
+      serializeLink(serializer,
+          "alternate" /* rel */, entry.getHtmlUri(), "text/html" /* type */);
+    }
+
+    serializeSummary(serializer, entry.getSummary());
+    serializeContent(serializer, entry.getContent());
+    serializeAuthor(serializer, entry.getAuthor(), entry.getEmail());
+    serializeCategory(serializer,
+        entry.getCategory(), entry.getCategoryScheme());
+
+    if (format == FORMAT_FULL) {
+      serializePublicationDate(serializer, entry.getPublicationDate());
+    }
+
+    if (format != FORMAT_CREATE) {
+      serializeUpdateDate(serializer, entry.getUpdateDate());
+    }
+
+    serializeExtraEntryContents(serializer, format);
+  }
+
+  private static void serializeId(XmlSerializer serializer, String id)
+      throws IOException {
+    if (StringUtils.isEmpty(id)) {
+      return;
+    }
+    serializer.startTag(null /* ns */, "id");
+    serializer.text(id);
+    serializer.endTag(null /* ns */, "id");
+  }
+
+  private static void serializeTitle(XmlSerializer serializer, String title)
+      throws IOException {
+    if (StringUtils.isEmpty(title)) {
+      return;
+    }
+    serializer.startTag(null /* ns */, "title");
+    serializer.text(title);
+    serializer.endTag(null /* ns */, "title");
+  }
+
+  public static void serializeLink(XmlSerializer serializer, String rel,
+      String href, String type) throws IOException {
+    if (StringUtils.isEmpty(href)) {
+      return;
+    }
+    serializer.startTag(null /* ns */, "link");
+    serializer.attribute(null /* ns */, "rel", rel);
+    serializer.attribute(null /* ns */, "href", href);
+    if (!StringUtils.isEmpty(type)) {
+      serializer.attribute(null /* ns */, "type", type);
+    }
+    serializer.endTag(null /* ns */, "link");
+  }
+
+  private static void serializeSummary(XmlSerializer serializer, String summary)
+      throws IOException {
+    if (StringUtils.isEmpty(summary)) {
+      return;
+    }
+    serializer.startTag(null /* ns */, "summary");
+    serializer.text(summary);
+    serializer.endTag(null /* ns */, "summary");
+  }
+
+  private void serializeContent(XmlSerializer serializer, String content)
+      throws IOException {
+    if (content == null) {
+      return;
+    }
+    serializer.startTag(null /* ns */, "content");
+    if (content.contains("</Placemark>")) {
+      serializer.attribute(
+          null /* ns */, "type", "application/vnd.google-earth.kml+xml");
+      serializer.flush();
+      stream.write(content.getBytes());
+    } else {
+      serializer.text(content);
+    }
+    serializer.endTag(null /* ns */, "content");
+  }
+
+  private static void serializeAuthor(XmlSerializer serializer, String author,
+      String email) throws IOException {
+    if (StringUtils.isEmpty(author) || StringUtils.isEmpty(email)) {
+      return;
+    }
+    serializer.startTag(null /* ns */, "author");
+    serializer.startTag(null /* ns */, "name");
+    serializer.text(author);
+    serializer.endTag(null /* ns */, "name");
+    serializer.startTag(null /* ns */, "email");
+    serializer.text(email);
+    serializer.endTag(null /* ns */, "email");
+    serializer.endTag(null /* ns */, "author");
+  }
+
+  private static void serializeCategory(XmlSerializer serializer,
+      String category, String categoryScheme) throws IOException {
+    if (StringUtils.isEmpty(category) && StringUtils.isEmpty(categoryScheme)) {
+      return;
+    }
+    serializer.startTag(null /* ns */, "category");
+    if (!StringUtils.isEmpty(category)) {
+      serializer.attribute(null /* ns */, "term", category);
+    }
+    if (!StringUtils.isEmpty(categoryScheme)) {
+      serializer.attribute(null /* ns */, "scheme", categoryScheme);
+    }
+    serializer.endTag(null /* ns */, "category");
+  }
+
+  private static void serializePublicationDate(XmlSerializer serializer,
+      String publicationDate) throws IOException {
+    if (StringUtils.isEmpty(publicationDate)) {
+      return;
+    }
+    serializer.startTag(null /* ns */, "published");
+    serializer.text(publicationDate);
+    serializer.endTag(null /* ns */, "published");
+  }
+
+  private static void serializeUpdateDate(XmlSerializer serializer,
+      String updateDate) throws IOException {
+    if (StringUtils.isEmpty(updateDate)) {
+      return;
+    }
+    serializer.startTag(null /* ns */, "updated");
+    serializer.text(updateDate);
+    serializer.endTag(null /* ns */, "updated");
+  }
+
+  @Override
+  protected void serializeExtraEntryContents(XmlSerializer serializer,
+      int format) throws IOException {
+    Map<String, String> attrs = entry.getAllAttributes();
+    for (Map.Entry<String, String> attr : attrs.entrySet()) {
+      serializer.startTag("http://schemas.google.com/g/2005", "customProperty");
+      serializer.attribute(null, "name", attr.getKey());
+      serializer.text(attr.getValue());
+      serializer.endTag("http://schemas.google.com/g/2005", "customProperty");
+    }
+    String privacy = entry.getPrivacy();
+    if (!StringUtils.isEmpty(privacy)) {
+      serializer.setPrefix("app", APP_NAMESPACE);
+      if ("public".equals(privacy)) {
+        serializer.startTag(APP_NAMESPACE, "control");
+        serializer.startTag(APP_NAMESPACE, "draft");
+        serializer.text("no");
+        serializer.endTag(APP_NAMESPACE, "draft");
+        serializer.endTag(APP_NAMESPACE, "control");
+      }
+      if ("unlisted".equals(privacy)) {
+        serializer.startTag(APP_NAMESPACE, "control");
+        serializer.startTag(APP_NAMESPACE, "draft");
+        serializer.text("yes");
+        serializer.endTag(APP_NAMESPACE, "draft");
+        serializer.endTag(APP_NAMESPACE, "control");
+      }
+    }
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/maps/ChooseMapActivity.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.io.maps;
+
+import com.google.android.apps.mytracks.io.gdata.maps.MapsMapMetadata;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendRequest;
+import com.google.android.apps.mytracks.util.DialogUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+
+/**
+ * An activity to choose a Google Map.
+ *
+ * @author Jimmy Shih
+ */
+public class ChooseMapActivity extends Activity {
+
+  private static final int DIALOG_PROGRESS_ID = 0;
+  private static final int DIALOG_ERROR_ID = 1;
+
+  private SendRequest sendRequest;
+  private ChooseMapAsyncTask asyncTask;
+  @VisibleForTesting
+  ArrayAdapter<ListItem> arrayAdapter;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    sendRequest = getIntent().getParcelableExtra(SendRequest.SEND_REQUEST_KEY);
+    setContentView(R.layout.choose_map);
+
+    arrayAdapter = new ArrayAdapter<ListItem>(this, R.layout.choose_map_item, new ArrayList<
+        ListItem>()) {
+      @Override
+      public View getView(int position, View convertView, ViewGroup parent) {
+        if (convertView == null) {
+          convertView = getLayoutInflater().inflate(R.layout.choose_map_item, parent, false);
+        }
+        MapsMapMetadata mapData = getItem(position).getMapData();
+        
+        TextView title = (TextView) convertView.findViewById(R.id.choose_map_item_title);
+        title.setText(mapData.getTitle());
+        
+        TextView description = (TextView) convertView.findViewById(
+            R.id.choose_map_item_description);
+        String descriptionText = mapData.getDescription();
+        if (descriptionText == null || descriptionText.equals("")) {
+          description.setVisibility(View.GONE);
+        } else {
+          description.setVisibility(View.VISIBLE);
+          description.setText(descriptionText);
+        }
+
+        TextView searchStatus = (TextView) convertView.findViewById(
+            R.id.choose_map_item_search_status);
+        searchStatus.setTextColor(mapData.getSearchable() ? Color.RED : Color.GREEN);
+        searchStatus.setText(mapData.getSearchable() ? R.string.maps_list_public_label
+            : R.string.maps_list_unlisted_label);
+        return convertView;
+      }
+    };
+
+    ListView list = (ListView) findViewById(R.id.choose_map_list_view);
+    list.setEmptyView(findViewById(R.id.choose_map_empty_view));
+    list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+      @Override
+      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        startNextActivity(arrayAdapter.getItem(position).getMapId());
+      }
+    });
+    list.setAdapter(arrayAdapter);
+
+    Object retained = getLastNonConfigurationInstance();
+    if (retained instanceof ChooseMapAsyncTask) {
+      asyncTask = (ChooseMapAsyncTask) retained;
+      asyncTask.setActivity(this);
+    } else {
+      asyncTask = new ChooseMapAsyncTask(this, sendRequest.getAccount());
+      asyncTask.execute();
+    }
+  }
+
+  @Override
+  public Object onRetainNonConfigurationInstance() {
+    asyncTask.setActivity(null);
+    return asyncTask;
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    switch (id) {
+      case DIALOG_PROGRESS_ID:
+        return DialogUtils.createSpinnerProgressDialog(
+            this, R.string.maps_list_progress_message, new DialogInterface.OnCancelListener() {
+              @Override
+              public void onCancel(DialogInterface dialog) {
+                asyncTask.cancel(true);
+                finish();
+              }
+            });
+      case DIALOG_ERROR_ID:
+        return new AlertDialog.Builder(this)
+            .setCancelable(true)
+            .setIcon(android.R.drawable.ic_dialog_alert)
+            .setMessage(R.string.maps_list_error)
+            .setOnCancelListener(new DialogInterface.OnCancelListener() {
+              @Override
+              public void onCancel(DialogInterface dialog) {
+                finish();
+              }
+            })
+            .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+              @Override
+              public void onClick(DialogInterface dialog, int arg1) {
+                finish();
+              }
+            })
+            .setTitle(R.string.generic_error_title)
+            .create();
+      default:
+        return null;
+    }
+  }
+
+  /**
+   * Invokes when the associated AsyncTask completes.
+   *
+   * @param success true if success
+   * @param mapIds an array of map ids
+   * @param mapData an array of map data
+   */
+  public void onAsyncTaskCompleted(
+      boolean success, ArrayList<String> mapIds, ArrayList<MapsMapMetadata> mapData) {
+    removeProgressDialog();
+    if (success) {
+      arrayAdapter.clear();
+      // To prevent displaying the emptyView message momentarily before the
+      // arrayAdapter is set, don't set the emptyView message in the xml layout.
+      // Instead, set it only when needed.
+      if (mapIds.size() == 0) {
+        TextView emptyView = (TextView) findViewById(R.id.choose_map_empty_view);
+        emptyView.setText(R.string.maps_list_no_maps);
+      } else {
+        for (int i = 0; i < mapIds.size(); i++) {
+          arrayAdapter.add(new ListItem(mapIds.get(i), mapData.get(i)));
+        }
+      }
+    } else {
+      showErrorDialog();
+    }
+  }
+
+  /**
+   * Shows the progress dialog.
+   */
+  public void showProgressDialog() {
+    showDialog(DIALOG_PROGRESS_ID);
+  }
+  
+  /**
+   * Shows the error dialog.
+   */
+  @VisibleForTesting
+  void showErrorDialog() {
+    showDialog(DIALOG_ERROR_ID);
+  }
+  
+  /**
+   * Remove the progress dialog.
+   */
+  @VisibleForTesting
+  void removeProgressDialog() {
+    removeDialog(DIALOG_PROGRESS_ID);
+  }
+
+  /**
+   * Starts the next activity, {@link SendMapsActivity}.
+   * 
+   * @param mapId the chosen map id
+   */
+  private void startNextActivity(String mapId) {
+    sendRequest.setMapId(mapId);
+    Intent intent = IntentUtils.newIntent(this, SendMapsActivity.class)
+        .putExtra(SendRequest.SEND_REQUEST_KEY, sendRequest);
+    startActivity(intent);
+    finish();
+  }
+
+  /**
+   * A class containing {@link ChooseMapActivity} list item.
+   *
+   * @author Jimmy Shih
+   */
+  @VisibleForTesting
+  class ListItem {
+    private String mapId;
+    private MapsMapMetadata mapData;
+
+    private ListItem(String mapId, MapsMapMetadata mapData) {
+      this.mapId = mapId;
+      this.mapData = mapData;
+    }
+
+    /**
+     * Gets the map id.
+     */
+    public String getMapId() {
+      return mapId;
+    }
+
+    /**
+     * Gets the map data.
+     */
+    public MapsMapMetadata getMapData() {
+      return mapData;
+    }
+  }
+}

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

@@ -0,0 +1,247 @@
+/*
+ * 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.maps;
+
+import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.io.gdata.GDataClientFactory;
+import com.google.android.apps.mytracks.io.gdata.maps.MapFeatureEntry;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsClient;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsConstants;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsGDataConverter;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsMapMetadata;
+import com.google.android.apps.mytracks.io.gdata.maps.XmlMapsGDataParserFactory;
+import com.google.android.common.gdata.AndroidXmlParserFactory;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.wireless.gdata.client.GDataClient;
+import com.google.wireless.gdata.client.HttpException;
+import com.google.wireless.gdata.parser.GDataParser;
+import com.google.wireless.gdata.parser.ParseException;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.accounts.AuthenticatorException;
+import android.accounts.OperationCanceledException;
+import android.content.Context;
+import android.os.AsyncTask;
+import android.util.Log;
+
+import java.io.IOException;
+import java.util.ArrayList;
+
+/**
+ * AsyncTask for {@link ChooseMapActivity} to get all the maps from Google Maps.
+ *
+ * @author Jimmy Shih
+ */
+public class ChooseMapAsyncTask extends AsyncTask<Void, Integer, Boolean> {
+  private static final String TAG = ChooseMapAsyncTask.class.getSimpleName();
+
+  private ChooseMapActivity activity;
+  private final Account account;
+  private final Context context;
+  private final GDataClient gDataClient;
+  private final MapsClient mapsClient;
+
+  /**
+   * True if can retry sending to Google Fusion Tables.
+   */
+  private boolean canRetry;
+
+  /**
+   * True if the AsyncTask has completed.
+   */
+  private boolean completed;
+
+  /**
+   * True if the result is success.
+   */
+  private boolean success;
+
+  // The following variables are for per request states
+  private String authToken;
+  private ArrayList<String> mapIds;
+  private ArrayList<MapsMapMetadata> mapData;
+
+  public ChooseMapAsyncTask(ChooseMapActivity activity, Account account) {
+    this(activity, account, activity.getApplicationContext(), GDataClientFactory
+        .getGDataClient(activity.getApplicationContext()), new MapsClient(
+        GDataClientFactory.getGDataClient(activity.getApplicationContext()),
+        new XmlMapsGDataParserFactory(new AndroidXmlParserFactory())));
+  }
+
+	/**
+	 * Creates this constructor for test.
+	 */
+	public ChooseMapAsyncTask(ChooseMapActivity activity, Account account,
+			Context context, GDataClient gDataClient, MapsClient mapsClient) {
+		this.activity = activity;
+		this.account = account;
+
+		this.context = context;
+		this.gDataClient = gDataClient;
+		this.mapsClient = mapsClient;
+
+		canRetry = true;
+		completed = false;
+		success = false;
+	}
+
+  /**
+   * Sets the activity associated with this AyncTask.
+   *
+   * @param activity the activity.
+   */
+  public void setActivity(ChooseMapActivity activity) {
+    this.activity = activity;
+    if (completed && activity != null) {
+      activity.onAsyncTaskCompleted(success, mapIds, mapData);
+    }
+  }
+
+  @Override
+  protected void onPreExecute() {
+    activity.showProgressDialog();
+  }
+
+  @Override
+  protected Boolean doInBackground(Void... params) {
+    try {
+      return getMaps();
+    } finally {
+      if (gDataClient != null) {
+        gDataClient.close();
+      } 
+    }
+  }
+
+  @Override
+  protected void onPostExecute(Boolean result) {
+    success = result;
+    completed = true;
+    if (activity != null) {
+      activity.onAsyncTaskCompleted(success, mapIds, mapData);
+    }
+  }
+
+  /**
+   * Gets all the maps from Google Maps.
+   *
+   * @return true if success.
+   */
+  @VisibleForTesting
+  boolean getMaps() {
+    // Reset the per request states
+    authToken = null;
+    mapIds = new ArrayList<String>();
+    mapData = new ArrayList<MapsMapMetadata>();
+
+    try {
+      authToken = AccountManager.get(context).blockingGetAuthToken(
+          account, MapsConstants.SERVICE_NAME, false);
+    } catch (OperationCanceledException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryUpload();
+    } catch (AuthenticatorException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryUpload();
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryUpload();
+    }
+
+    if (isCancelled()) {
+      return false;
+    }
+    GDataParser gDataParser = null;
+    try {
+      gDataParser = mapsClient.getParserForFeed(
+          MapFeatureEntry.class, MapsClient.getMapsFeed(), authToken);
+      gDataParser.init();
+      while (gDataParser.hasMoreData()) {
+        MapFeatureEntry entry = (MapFeatureEntry) gDataParser.readNextEntry(null);
+        mapIds.add(MapsGDataConverter.getMapidForEntry(entry));
+        mapData.add(MapsGDataConverter.getMapMetadataForEntry(entry));
+      }
+    } catch (ParseException e) {
+      Log.d(TAG, "Unable to get maps", e);
+      return retryUpload();
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to get maps", e);
+      return retryUpload();
+    } catch (HttpException e) {
+      Log.d(TAG, "Unable to get maps", e);
+      return retryUpload();
+    } finally {
+      if (gDataParser != null) {
+        gDataParser.close();
+      }
+    }
+
+    return true;
+  }
+
+  /**
+   * Retries upload. Invalidates the authToken. If can retry, invokes
+   * {@link ChooseMapAsyncTask#getMaps()}. Returns false if cannot retry.
+   */
+  @VisibleForTesting
+  boolean retryUpload() {
+    if (isCancelled()) {
+      return false;
+    }
+
+    AccountManager.get(context).invalidateAuthToken(Constants.ACCOUNT_TYPE, authToken);
+    if (canRetry) {
+      canRetry = false;
+      return getMaps();
+    }
+    return false;
+  }
+  
+  /**
+   * Gets the complete status of task.
+   */
+  @VisibleForTesting
+  boolean getCompleted() {
+    return completed;
+  }
+  
+  /**
+   * Sets the complete status of task.
+   * @param completed
+   */
+  @VisibleForTesting
+  void setCompleted(boolean completed) {
+    this.completed = completed;
+  }
+  
+  /**
+   * Sets the status of canRetry.
+   * @param canRetry status of canRetry
+   */
+  @VisibleForTesting
+  void setCanRetry(boolean canRetry) {
+    this.canRetry = canRetry;
+  }
+  
+  /**
+   * Gets the status of canRetry.
+   */
+  @VisibleForTesting
+  boolean getCanRetry() {
+    return canRetry;
+  }
+}

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

@@ -0,0 +1,72 @@
+/*
+ * 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.maps;
+
+import com.google.android.apps.mytracks.io.docs.SendDocsActivity;
+import com.google.android.apps.mytracks.io.fusiontables.SendFusionTablesActivity;
+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.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 Maps.
+ *
+ * @author Jimmy Shih
+ */
+public class SendMapsActivity extends AbstractSendActivity {
+
+  @Override
+  protected AbstractSendAsyncTask createAsyncTask() {
+    return new SendMapsAsyncTask(
+        this, sendRequest.getTrackId(), sendRequest.getAccount(), sendRequest.getMapId());
+  }
+
+  @Override
+  protected String getServiceName() {
+    return getString(R.string.send_google_maps);
+  }
+
+  @Override
+  protected void startNextActivity(boolean success, boolean isCancel) {
+    sendRequest.setMapsSuccess(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.isSendFusionTables()) {
+        return SendFusionTablesActivity.class;
+      } else if (request.isSendDocs()) {
+        return SendDocsActivity.class;
+      } else {
+        return UploadResultActivity.class;
+      }
+    }
+  }
+}

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

@@ -0,0 +1,543 @@
+/*
+ * 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.maps;
+
+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.io.gdata.GDataClientFactory;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsClient;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsConstants;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsGDataConverter;
+import com.google.android.apps.mytracks.io.gdata.maps.XmlMapsGDataParserFactory;
+import com.google.android.apps.mytracks.io.sendtogoogle.AbstractSendAsyncTask;
+import com.google.android.apps.mytracks.io.sendtogoogle.SendToGoogleUtils;
+import com.google.android.apps.mytracks.stats.DoubleBuffer;
+import com.google.android.apps.mytracks.stats.TripStatisticsBuilder;
+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.common.gdata.AndroidXmlParserFactory;
+import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.wireless.gdata.client.GDataClient;
+import com.google.wireless.gdata.client.HttpException;
+import com.google.wireless.gdata.parser.ParseException;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.accounts.AuthenticatorException;
+import android.accounts.OperationCanceledException;
+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.List;
+import java.util.Vector;
+
+import org.xmlpull.v1.XmlPullParserException;
+
+/**
+ * AsyncTask to send a track to Google Maps.
+ * <p>
+ * IMPORTANT: While this code is Apache-licensed, please notice that usage of
+ * the Google Maps servers through this API is only allowed for the My Tracks
+ * application. Other applications looking to upload maps data should look into
+ * using the Google Fusion Tables API.
+ *
+ * @author Jimmy Shih
+ */
+public class SendMapsAsyncTask extends AbstractSendAsyncTask {
+  private static final String START_ICON_URL =
+      "http://maps.google.com/mapfiles/ms/micons/green-dot.png";
+  private static final String END_ICON_URL =
+      "http://maps.google.com/mapfiles/ms/micons/red-dot.png";
+  private static final int MAX_POINTS_PER_UPLOAD = 500;
+
+  private static final int PROGRESS_FETCH_MAP_ID = 5;
+  @VisibleForTesting
+  static final int PROGRESS_UPLOAD_DATA_MIN = 10;
+  @VisibleForTesting
+  static final int PROGRESS_UPLOAD_DATA_MAX = 90;
+  private static final int PROGRESS_UPLOAD_WAYPOINTS = 95;
+  private static final int PROGRESS_COMPLETE = 100;
+
+  private static final String TAG = SendMapsAsyncTask.class.getSimpleName();
+
+  private final long trackId;
+  private final Account account;
+  private final String chooseMapId;
+  private final MyTracksProviderUtils myTracksProviderUtils;
+  private final Context context;
+  private final GDataClient gDataClient;
+  private final MapsClient mapsClient;
+
+  // The following variables are for per upload states
+  private MapsGDataConverter mapsGDataConverter;
+  private String authToken;
+  private String mapId;
+  int currentSegment;
+
+  public SendMapsAsyncTask(SendMapsActivity activity, long trackId, Account account,
+      String chooseMapId) {
+    this(activity, trackId, account, chooseMapId, MyTracksProviderUtils.Factory.get(activity
+        .getApplicationContext()));
+  }
+  
+  /**
+   * This constructor is created for test.
+   */
+  @VisibleForTesting
+  public SendMapsAsyncTask (
+      SendMapsActivity activity, long trackId, Account account, String chooseMapId, MyTracksProviderUtils myTracksProviderUtils) {
+    super(activity);
+    this.trackId = trackId;
+    this.account = account;
+    this.chooseMapId = chooseMapId;
+    this.myTracksProviderUtils = myTracksProviderUtils;
+    context = activity.getApplicationContext();
+    
+    gDataClient = GDataClientFactory.getGDataClient(context);
+    mapsClient = new MapsClient(
+        gDataClient, new XmlMapsGDataParserFactory(new AndroidXmlParserFactory()));
+  }
+
+  @Override
+  protected void closeConnection() {
+    if (gDataClient != null) {
+      gDataClient.close();
+    }
+  }
+
+  @Override
+  protected void saveResult() {
+    Track track = myTracksProviderUtils.getTrack(trackId);
+    if (track == null) {
+      Log.d(TAG, "No track for " + trackId);
+      return;
+    }
+    track.setMapId(mapId);
+    myTracksProviderUtils.updateTrack(track);
+  }
+
+  @Override
+  protected boolean performTask() {
+    // Reset the per upload states
+    mapsGDataConverter = null;
+    authToken = null;
+    mapId = null;
+    currentSegment = 1;
+
+    // Create a maps gdata converter
+    try {
+      mapsGDataConverter = new MapsGDataConverter();
+    } catch (XmlPullParserException e) {
+      Log.d(TAG, "Unable to create a maps gdata converter", e);
+      return false;
+    }
+    
+    // Get auth token
+    try {
+      authToken = AccountManager.get(context).blockingGetAuthToken(
+          account, MapsConstants.SERVICE_NAME, false);
+    } catch (OperationCanceledException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryTask();
+    } catch (AuthenticatorException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryTask();
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to get auth token", e);
+      return retryTask();
+    }
+
+    // Get the track
+    Track track = myTracksProviderUtils.getTrack(trackId);
+    if (track == null) {
+      Log.d(TAG, "No track for " + trackId);
+      return false;
+    }
+
+    // Fetch the mapId, create a new map if necessary
+    publishProgress(PROGRESS_FETCH_MAP_ID);
+    if (!fetchSendMapId(track)) {
+      Log.d("TAG", "Unable to upload all track points");
+      return retryTask();
+    }
+
+    // Upload all the track points plus the start and end markers
+    publishProgress(PROGRESS_UPLOAD_DATA_MIN);
+    if (!uploadAllTrackPoints(track)) {
+      Log.d("TAG", "Unable to upload all track points");
+      return retryTask();
+    }
+
+    // Upload all the waypoints
+    publishProgress(PROGRESS_UPLOAD_WAYPOINTS);
+    if (!uploadWaypoints()) {
+      Log.d("TAG", "Unable to upload waypoints");
+      return false;
+    }
+
+    publishProgress(PROGRESS_COMPLETE);
+    return true;
+  }
+
+  @Override
+  protected void invalidateToken() {
+    AccountManager.get(context).invalidateAuthToken(Constants.ACCOUNT_TYPE, authToken);
+  }
+
+  /**
+   * Fetches the {@link SendMapsAsyncTask#mapId} instance variable for
+   * sending a track to Google Maps.
+   *
+   * @param track the Track
+   * @return true if able to fetch the mapId variable.
+   */
+  @VisibleForTesting
+  boolean fetchSendMapId(Track track) {
+    if (isCancelled()) {
+      return false;
+    }
+  
+    if (chooseMapId != null) {
+      mapId = chooseMapId;
+      return true;
+    } else {
+      boolean defaultMapPublic = PreferencesUtils.getBoolean(
+          context, R.string.default_map_public_key, PreferencesUtils.DEFAULT_MAP_PUBLIC_DEFAULT);
+      try {
+        String description = track.getCategory() + "\n" + track.getDescription() + "\n"
+            + context.getString(R.string.send_google_by_my_tracks, "", "");
+        mapId = SendMapsUtils.createNewMap(
+            track.getName(), description, defaultMapPublic, mapsClient, authToken);
+      } catch (ParseException e) {
+        Log.d(TAG, "Unable to create a new map", e);
+        return false;
+      } catch (HttpException e) {
+        Log.d(TAG, "Unable to create a new map", e);
+        return false;
+      } catch (IOException e) {
+        Log.d(TAG, "Unable to create a new map", e);
+        return false;
+      }
+      return mapId != null;
+    }
+  }
+
+  /**
+   * Uploads all the points in a track.
+   *
+   * @param track the track
+   * @return true if success.
+   */
+  @VisibleForTesting
+  boolean uploadAllTrackPoints(Track track) {
+    Cursor locationsCursor = null;
+    try {
+      boolean metricUnits = PreferencesUtils.getBoolean(
+          context, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
+
+      locationsCursor = myTracksProviderUtils.getLocationsCursor(trackId, 0, -1, false);
+      if (locationsCursor == null) {
+        Log.d(TAG, "Location cursor is null");
+        return false;
+      }
+      int locationsCount = locationsCursor.getCount();
+      List<Location> locations = new ArrayList<Location>(MAX_POINTS_PER_UPLOAD);
+      Location lastLocation = null;
+
+      // For chart server, limit the number of elevation readings to 250.
+      int elevationSamplingFrequency = Math.max(1, (int) (locationsCount / 250.0));
+      TripStatisticsBuilder tripStatisticsBuilder = new TripStatisticsBuilder(
+          track.getTripStatistics().getStartTime());
+      DoubleBuffer elevationBuffer = new DoubleBuffer(Constants.ELEVATION_SMOOTHING_FACTOR);
+      Vector<Double> distances = new Vector<Double>();
+      Vector<Double> elevations = new Vector<Double>();
+
+      for (int i = 0; i < locationsCount; i++) {
+        locationsCursor.moveToPosition(i);
+
+        Location location = myTracksProviderUtils.createLocation(locationsCursor);
+        locations.add(location);
+
+        if (i == 0) {
+          // Create a start marker
+          if (!uploadMarker(context.getString(R.string.marker_label_start, track.getName()), "",
+              START_ICON_URL, location)) {
+            Log.d(TAG, "Unable to create a start marker");
+            return false;
+          }
+        }
+
+        // Add to the distances and elevations vectors
+        if (LocationUtils.isValidLocation(location)) {
+          tripStatisticsBuilder.addLocation(location, location.getTime());
+          // All points go into the smoothing buffer
+          elevationBuffer.setNext(metricUnits ? location.getAltitude()
+              : location.getAltitude() * UnitConversions.M_TO_FT);
+          if (i % elevationSamplingFrequency == 0) {
+            distances.add(tripStatisticsBuilder.getStatistics().getTotalDistance());
+            elevations.add(elevationBuffer.getAverage());
+          }
+          lastLocation = location;
+        }
+
+        // Upload periodically
+        int readCount = i + 1;
+        if (readCount % MAX_POINTS_PER_UPLOAD == 0) {
+          if (!prepareAndUploadPoints(track, locations, false)) {
+            Log.d(TAG, "Unable to upload points");
+            return false;
+          }
+          updateProgress(readCount, locationsCount);
+          locations.clear();
+        }
+      }
+
+      // Do a final upload with the remaining locations
+      if (!prepareAndUploadPoints(track, locations, true)) {
+        Log.d(TAG, "Unable to upload points");
+        return false;
+      }
+
+      // Create an end marker
+      if (lastLocation != null) {
+        distances.add(tripStatisticsBuilder.getStatistics().getTotalDistance());
+        elevations.add(elevationBuffer.getAverage());
+        
+        track.setDescription(getTrackDescription(track, distances, elevations));
+        if (!uploadMarker(context.getString(R.string.marker_label_end, track.getName()),
+            track.getDescription(), END_ICON_URL, lastLocation)) {
+          Log.d(TAG, "Unable to create an end marker");
+          return false;
+        }
+      }
+      return true;
+    } finally {
+      if (locationsCursor != null) {
+        locationsCursor.close();
+      }
+    }
+  }
+  
+  /**
+   * Gets the description of a track.
+   * 
+   * @param track the track
+   * @param distances distance vectors
+   * @param elevations elevation vectors
+   * @return the description of a track.
+   */
+  @VisibleForTesting
+  String getTrackDescription(Track track, Vector<Double> distances, Vector<Double> elevations) {
+    DescriptionGenerator descriptionGenerator = new DescriptionGeneratorImpl(context);
+    return "<p>" + track.getDescription() + "</p><p>"
+        + descriptionGenerator.generateTrackDescription(track, distances, elevations, true)
+        + "</p>";
+  }
+  
+  /**
+   * Prepares and uploads a list of locations from a track.
+   *
+   * @param track the track
+   * @param locations the locations from the track
+   * @param lastBatch true if it is the last batch of locations
+   * @return true if success.
+   */
+  @VisibleForTesting
+  boolean prepareAndUploadPoints(Track track, List<Location> locations, boolean lastBatch) {
+    // Prepare locations
+    ArrayList<Track> splitTracks = SendToGoogleUtils.prepareLocations(track, locations);
+
+    // Upload segments
+    boolean onlyOneSegment = lastBatch && currentSegment == 1 && splitTracks.size() == 1;
+    for (Track segment : splitTracks) {
+      if (!onlyOneSegment) {
+        segment.setName(context.getString(
+            R.string.send_google_track_part_label, segment.getName(), currentSegment));
+      }
+      if (!uploadSegment(segment.getName(), segment.getLocations())) {
+        Log.d(TAG, "Unable to upload segment");
+        return false;
+      }
+      currentSegment++;
+    }
+    return true;
+  }
+
+  /**
+   * Uploads a marker.
+   * 
+   * @param title marker title
+   * @param description marker description
+   * @param iconUrl marker marker icon
+   * @param location marker location
+   * @return true if success.
+   */
+  @VisibleForTesting
+  boolean uploadMarker(
+      String title, String description, String iconUrl, Location location) {
+    if (isCancelled()) {
+      return false;
+    }
+    try {
+      if (!SendMapsUtils.uploadMarker(mapId, title, description, iconUrl, location, mapsClient,
+          authToken, mapsGDataConverter)) {
+        Log.d(TAG, "Unable to upload marker");
+        return false;
+      }
+    } catch (ParseException e) {
+      Log.d(TAG, "Unable to upload marker", e);
+      return false;
+    } catch (HttpException e) {
+      Log.d(TAG, "Unable to upload marker", e);
+      return false;
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to upload marker", e);
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Uploads a segment
+   * 
+   * @param title segment title
+   * @param locations segment locations
+   * @return true if success
+   */
+  private boolean uploadSegment(String title, ArrayList<Location> locations) {
+    if (isCancelled()) {
+      return false;
+    }
+    try {
+      if (!SendMapsUtils.uploadSegment(
+          mapId, title, locations, mapsClient, authToken, mapsGDataConverter)) {
+        Log.d(TAG, "Unable to upload track points");
+        return false;
+      }
+    } catch (ParseException e) {
+      Log.d(TAG, "Unable to upload track points", e);
+      return false;
+    } catch (HttpException e) {
+      Log.d(TAG, "Unable to upload track points", e);
+      return false;
+    } catch (IOException e) {
+      Log.d(TAG, "Unable to upload track points", e);
+      return false;
+    }
+    return true;
+  }
+  
+  /**
+   * Uploads all the waypoints.
+   *
+   * @return true if success.
+   */
+  @VisibleForTesting
+  boolean uploadWaypoints() {
+    Cursor cursor = null;
+    try {
+      cursor = myTracksProviderUtils.getWaypointsCursor(
+          trackId, 0, 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()) {
+          if (isCancelled()) {
+            return false;
+          }
+          Waypoint waypoint = myTracksProviderUtils.createWaypoint(cursor);
+          try {
+            if (!SendMapsUtils.uploadWaypoint(
+                mapId, waypoint, mapsClient, authToken, mapsGDataConverter)) {
+              Log.d(TAG, "Unable to upload waypoint");
+              return false;
+            }
+          } catch (ParseException e) {
+            Log.d(TAG, "Unable to upload waypoint", e);
+            return false;
+          } catch (HttpException e) {
+            Log.d(TAG, "Unable to upload waypoint", e);
+            return false;
+          } catch (IOException e) {
+            Log.d(TAG, "Unable to upload waypoint", e);
+            return false;
+          }
+        }
+      }
+      return true;
+    } finally {
+      if (cursor != null) {
+        cursor.close();
+      }
+    }
+  }
+
+  /**
+   * Updates the progress based on the number of locations uploaded.
+   *
+   * @param uploaded the number of uploaded locations
+   * @param total the number of total locations
+   */
+  @VisibleForTesting
+  void updateProgress(int uploaded, int total) {
+    publishProgress(getPercentage(uploaded, total));
+  }
+  
+  
+  /**
+   * Count the percentage of the number of locations uploaded.
+   *
+   * @param uploaded the number of uploaded locations
+   * @param total the number of total locations
+   */
+  @VisibleForTesting
+  static int getPercentage(int uploaded, int total) {
+    double totalPercentage = (double) uploaded / total;
+    double scaledPercentage = totalPercentage
+        * (PROGRESS_UPLOAD_DATA_MAX - PROGRESS_UPLOAD_DATA_MIN) + PROGRESS_UPLOAD_DATA_MIN;
+    return (int) scaledPercentage;
+  }
+  
+  /**
+   * Gets the mapID.
+   * 
+   * @return mapId
+   */
+  @VisibleForTesting
+  String getMapId() {
+    return mapId;
+  }
+   
+  /**
+   * Sets the value of mapsGDataConverter.
+   * 
+   * @param mapsGDataConverter new value of mapsGDataConverter
+   */
+  @VisibleForTesting
+  void setMapsGDataConverter(MapsGDataConverter mapsGDataConverter) {
+    this.mapsGDataConverter = mapsGDataConverter;
+  }
+}

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

@@ -0,0 +1,228 @@
+/*
+ * 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.maps;
+
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.content.Waypoint;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsClient;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsFeature;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsGDataConverter;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsMapMetadata;
+import com.google.android.maps.GeoPoint;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.wireless.gdata.client.HttpException;
+import com.google.wireless.gdata.data.Entry;
+import com.google.wireless.gdata.parser.ParseException;
+
+import android.location.Location;
+import android.text.TextUtils;
+import android.util.Log;
+
+import java.io.IOException;
+import java.util.ArrayList;
+
+/**
+ * Utilities for sending a track to Google Maps.
+ *
+ * @author Jimmy Shih
+ */
+public class SendMapsUtils {
+
+  private static final String EMPTY_TITLE = "-";
+  private static final int LINE_COLOR = 0x80FF0000;
+  private static final String TAG = SendMapsUtils.class.getSimpleName();
+
+  private SendMapsUtils() {}
+
+  /**
+   * Gets the Google Maps url for a track.
+   *
+   * @param track the track
+   * @return the url if available.
+   */
+  public static String getMapUrl(Track track) {
+    if (track == null 
+        || track.getMapId() == null 
+        || track.getMapId().length() == 0) {
+      Log.e(TAG, "Invalid track");
+      return null;
+    }
+    return MapsClient.buildMapUrl(track.getMapId());
+  }
+
+  /**
+   * Creates a new Google Map.
+   *
+   * @param title title of the map
+   * @param description description of the map
+   * @param isPublic true if the map can be public
+   * @param mapsClient the maps client
+   * @param authToken the auth token
+   * @return map id of the created map if successful.
+   */
+  public static String createNewMap(
+      String title, String description, boolean isPublic, MapsClient mapsClient, String authToken)
+      throws ParseException, HttpException, IOException {
+    String mapFeed = MapsClient.getMapsFeed();
+    MapsMapMetadata metaData = new MapsMapMetadata();
+    metaData.setTitle(title);
+    metaData.setDescription(description);
+    metaData.setSearchable(isPublic);
+    Entry entry = MapsGDataConverter.getMapEntryForMetadata(metaData);
+    Entry result = mapsClient.createEntry(mapFeed, authToken, entry);
+    if (result == null) {
+      Log.d(TAG, "No result when creating a new map");
+      return null;
+    }
+    return MapsClient.getMapIdFromMapEntryId(result.getId());
+  }
+
+  /**
+   * Uploads a start/end marker to Google Maps.
+   *
+   * @param mapId the map id
+   * @param title the marker title
+   * @param description the marker description
+   * @param iconUrl the marker icon URL
+   * @param location the marker location
+   * @param mapsClient the maps client
+   * @param authToken the auth token
+   * @param mapsGDataConverter the maps gdata converter
+   * @return true if success.
+   */
+  public static boolean uploadMarker(String mapId, String title, String description, String iconUrl,
+      Location location, MapsClient mapsClient, String authToken,
+      MapsGDataConverter mapsGDataConverter) throws ParseException, HttpException, IOException {
+    String featuresFeed = MapsClient.getFeaturesFeed(mapId);
+    MapsFeature mapsFeature = buildMapsMarkerFeature(
+        title, description, iconUrl, getGeoPoint(location));
+    Entry entry = mapsGDataConverter.getEntryForFeature(mapsFeature);
+    try {
+      mapsClient.createEntry(featuresFeed, authToken, entry);
+    } catch (IOException e) {
+      // Retry once (often IOException is thrown on a timeout)
+      Log.d(TAG, "Retry upload marker", e);
+      mapsClient.createEntry(featuresFeed, authToken, entry);
+    }
+    return true;
+  }
+
+  /**
+   * Uploads a waypoint as a marker feature to Google Maps.
+   *
+   * @param mapId the map id
+   * @param waypoint the waypoint
+   * @param mapsClient the maps client
+   * @param authToken the auth token
+   * @param mapsGDataConverter the maps gdata converter
+   * @return true if success.
+   */
+  public static boolean uploadWaypoint(String mapId, Waypoint waypoint, MapsClient mapsClient,
+      String authToken, MapsGDataConverter mapsGDataConverter)
+      throws ParseException, HttpException, IOException {
+    String featuresFeed = MapsClient.getFeaturesFeed(mapId);
+    MapsFeature feature = buildMapsMarkerFeature(waypoint.getName(), waypoint.getDescription(),
+        waypoint.getIcon(), getGeoPoint(waypoint.getLocation()));
+    Entry entry = mapsGDataConverter.getEntryForFeature(feature);
+    try {
+      mapsClient.createEntry(featuresFeed, authToken, entry);
+    } catch (IOException e) {
+      // Retry once (often IOException is thrown on a timeout)
+      Log.d(TAG, "Retry upload waypoint", e);
+      mapsClient.createEntry(featuresFeed, authToken, entry);
+    }
+    return true;
+  }
+
+  /**
+   * Uploads a segment as a line feature to Google Maps.
+   *
+   * @param mapId the map id
+   * @param title the segment title
+   * @param locations the segment locations
+   * @param mapsClient the maps client
+   * @param authToken the auth token
+   * @param mapsGDataConverter the maps gdata converter
+   * @return true if success.
+   */
+  public static boolean uploadSegment(String mapId, String title, ArrayList<Location> locations,
+      MapsClient mapsClient, String authToken, MapsGDataConverter mapsGDataConverter)
+      throws ParseException, HttpException, IOException {
+    String featuresFeed = MapsClient.getFeaturesFeed(mapId);
+    Entry entry = mapsGDataConverter.getEntryForFeature(buildMapsLineFeature(title, locations));
+    try {
+      mapsClient.createEntry(featuresFeed, authToken, entry);
+    } catch (IOException e) {
+      // Retry once (often IOException is thrown on a timeout)
+      Log.d(TAG, "Retry upload track points", e);
+      mapsClient.createEntry(featuresFeed, authToken, entry);
+    }
+    return true;
+  }
+
+  /**
+   * Builds a map marker feature.
+   *
+   * @param title feature title
+   * @param description the feature description
+   * @param iconUrl the feature icon URL
+   * @param geoPoint the marker
+   */
+  @VisibleForTesting
+  static MapsFeature buildMapsMarkerFeature(
+      String title, String description, String iconUrl, GeoPoint geoPoint) {
+    MapsFeature mapsFeature = new MapsFeature();
+    mapsFeature.setType(MapsFeature.MARKER);
+    mapsFeature.generateAndroidId();
+    // Feature must have a name (otherwise GData upload may fail)
+    mapsFeature.setTitle(TextUtils.isEmpty(title) ? EMPTY_TITLE : title);
+    mapsFeature.setDescription(description.replaceAll("\n", "<br>"));
+    mapsFeature.setIconUrl(iconUrl);
+    mapsFeature.addPoint(geoPoint);
+    return mapsFeature;
+  }
+
+  /**
+   * Builds a maps line feature from a set of locations.
+   *
+   * @param title the feature title
+   * @param locations set of locations
+   */
+  @VisibleForTesting
+  static MapsFeature buildMapsLineFeature(String title, ArrayList<Location> locations) {
+    MapsFeature mapsFeature = new MapsFeature();
+    mapsFeature.setType(MapsFeature.LINE);
+    mapsFeature.generateAndroidId();
+    // Feature must have a name (otherwise GData upload may fail)
+    mapsFeature.setTitle(TextUtils.isEmpty(title) ? EMPTY_TITLE : title);
+    mapsFeature.setColor(LINE_COLOR);
+    for (Location location : locations) {
+      mapsFeature.addPoint(getGeoPoint(location));
+    }
+    return mapsFeature;
+  }
+
+  /**
+   * Gets a {@link GeoPoint} from a {@link Location}.
+   *
+   * @param location the location
+   */
+  @VisibleForTesting
+  static GeoPoint getGeoPoint(Location location) {
+    return new GeoPoint(
+        (int) (location.getLatitude() * 1E6), (int) (location.getLongitude() * 1E6));
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/sendtogoogle/AbstractSendActivity.java

@@ -0,0 +1,134 @@
+/*
+ * 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.sendtogoogle;
+
+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.app.ProgressDialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+
+/**
+ * The abstract class for activities sending a track to Google.
+ * <p>
+ * The activity gets recreated when the screen rotates. To support the activity
+ * displaying a progress dialog, we do the following:
+ * <ul>
+ * <li>use one instance of an AyncTask to send the track</li>
+ * <li>save that instance as the last non configuration instance of the activity
+ * </li>
+ * <li>when a new activity is created, pass the activity to the AsyncTask so
+ * that the AsyncTask can update the progress dialog of the activity</li>
+ * </ul>
+ *
+ * @author Jimmy Shih
+ */
+public abstract class AbstractSendActivity extends Activity {
+
+  private static final int DIALOG_PROGRESS_ID = 0;
+
+  protected SendRequest sendRequest;
+  private AbstractSendAsyncTask asyncTask;
+  private ProgressDialog progressDialog;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    sendRequest = getIntent().getParcelableExtra(SendRequest.SEND_REQUEST_KEY);
+
+    Object retained = getLastNonConfigurationInstance();
+    if (retained instanceof AbstractSendAsyncTask) {
+      asyncTask = (AbstractSendAsyncTask) retained;
+      asyncTask.setActivity(this);
+    } else {
+      asyncTask = createAsyncTask();
+      asyncTask.execute();
+    }
+  }
+
+  @Override
+  public Object onRetainNonConfigurationInstance() {
+    asyncTask.setActivity(null);
+    return asyncTask;
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    if (id != DIALOG_PROGRESS_ID) {
+      return null;
+    }
+    progressDialog = DialogUtils.createHorizontalProgressDialog(
+        this, R.string.send_google_progress_message, new DialogInterface.OnCancelListener() {
+          @Override
+          public void onCancel(DialogInterface dialog) {
+            asyncTask.cancel(true);
+            startNextActivity(false, true);
+          }
+        }, getServiceName());
+    return progressDialog;
+  }
+
+  /**
+   * Invokes when the associated AsyncTask completes.
+   *
+   * @param success true if the AsyncTask is successful
+   */
+  public void onAsyncTaskCompleted(boolean success) {
+    startNextActivity(success, false);
+  }
+
+  /**
+   * Shows the progress dialog.
+   */
+  public void showProgressDialog() {
+    showDialog(DIALOG_PROGRESS_ID);
+  }
+
+  /**
+   * Sets the progress dialog value.
+   *
+   * @param value the dialog value
+   */
+  public void setProgressDialogValue(int value) {
+    if (progressDialog != null) {
+      progressDialog.setIndeterminate(false);
+      progressDialog.setProgress(value);
+      progressDialog.setMax(100);
+    }
+  }
+
+  /**
+   * Creates the AsyncTask.
+   */
+  protected abstract AbstractSendAsyncTask createAsyncTask();
+
+  /**
+   * Gets the service name.
+   */
+  protected abstract String getServiceName();
+
+  /**
+   * Starts the next activity.
+   *
+   * @param success true if this activity is successful
+   * @param isCancel true if it is a cancel request
+   */
+  protected abstract void startNextActivity(boolean success, boolean isCancel);
+}

MyTracks/src/com/google/android/apps/mytracks/io/sendtogoogle/AbstractSendAsyncTask.java

@@ -0,0 +1,145 @@
+/*
+ * 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.sendtogoogle;
+
+import android.os.AsyncTask;
+
+/**
+ * The abstract class for AsyncTasks sending a track to Google.
+ *
+ * @author Jimmy Shih
+ */
+public abstract class AbstractSendAsyncTask extends AsyncTask<Void, Integer, Boolean> {
+
+  /**
+   * The activity associated with this AsyncTask.
+   */
+  private AbstractSendActivity activity;
+
+  /**
+   * True if the AsyncTask result is success.
+   */
+  private boolean success;
+
+  /**
+   * True if the AsyncTask has completed.
+   */
+  private boolean completed;
+
+  /**
+   * True if can retry the AsyncTask.
+   */
+  private boolean canRetry;
+
+  /**
+   * Creates an AsyncTask.
+   *
+   * @param activity the activity currently associated with this AsyncTask
+   */
+  public AbstractSendAsyncTask(AbstractSendActivity activity) {
+    this.activity = activity;
+    success = false;
+    completed = false;
+    canRetry = true;
+  }
+
+  /**
+   * Sets the current activity associated with this AyncTask.
+   *
+   * @param activity the current activity, can be null
+   */
+  public void setActivity(AbstractSendActivity activity) {
+    this.activity = activity;
+    if (completed && activity != null) {
+      activity.onAsyncTaskCompleted(success);
+    }
+  }
+
+  @Override
+  protected void onPreExecute() {
+    activity.showProgressDialog();
+  }
+
+  @Override
+  protected Boolean doInBackground(Void... params) {
+    try {
+      return performTask();
+    } finally {
+      closeConnection();
+    }
+  }
+
+  @Override
+  protected void onProgressUpdate(Integer... values) {
+    if (activity != null) {
+      activity.setProgressDialogValue(values[0]);
+    }
+  }
+
+  @Override
+  protected void onPostExecute(Boolean result) {
+    success = result;
+    completed = true;
+    if (success) {
+      saveResult();
+    }
+    if (activity != null) {
+      activity.onAsyncTaskCompleted(success);
+    }
+  }
+
+  /**
+   * Retries the task. First, invalidates the auth token. If can retry, invokes
+   * {@link #performTask()}. Returns false if cannot retry.
+   *
+   * @return the result of the retry.
+   */
+  protected boolean retryTask() {
+    if (isCancelled()) {
+      return false;
+    }
+
+    invalidateToken();
+    if (canRetry) {
+      canRetry = false;
+      return performTask();
+    }
+    return false;
+  }
+
+  /**
+   * Closes any AsyncTask connection.
+   */
+  protected abstract void closeConnection();
+
+  /**
+   * Saves any AsyncTask result.
+   */
+  protected abstract void saveResult();
+
+  /**
+   * Performs the AsyncTask.
+   *
+   * @return true if success
+   */
+  protected abstract boolean performTask();
+
+  /**
+   * Invalidates the auth token.
+   */
+  protected abstract void invalidateToken();
+}

MyTracks/src/com/google/android/apps/mytracks/io/sendtogoogle/AccountChooserActivity.java

@@ -0,0 +1,295 @@
+/*
+ * 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.sendtogoogle;
+
+import com.google.android.apps.mytracks.Constants;
+import com.google.android.apps.mytracks.io.docs.SendDocsActivity;
+import com.google.android.apps.mytracks.io.fusiontables.SendFusionTablesActivity;
+import com.google.android.apps.mytracks.io.fusiontables.SendFusionTablesUtils;
+import com.google.android.apps.mytracks.io.gdata.docs.DocumentsClient;
+import com.google.android.apps.mytracks.io.gdata.docs.SpreadsheetsClient;
+import com.google.android.apps.mytracks.io.gdata.maps.MapsConstants;
+import com.google.android.apps.mytracks.io.maps.ChooseMapActivity;
+import com.google.android.apps.mytracks.io.maps.SendMapsActivity;
+import com.google.android.apps.mytracks.util.IntentUtils;
+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.accounts.AccountManagerCallback;
+import android.accounts.AccountManagerFuture;
+import android.accounts.AuthenticatorException;
+import android.accounts.OperationCanceledException;
+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.util.Log;
+import android.widget.Toast;
+
+import java.io.IOException;
+
+/**
+ * A chooser to select an account.
+ *
+ * @author Jimmy Shih
+ */
+public class AccountChooserActivity extends Activity {
+
+  private static final String TAG = AccountChooserActivity.class.getSimpleName();
+  
+  private static final int DIALOG_NO_ACCOUNT_ID = 0;
+  private static final int DIALOG_CHOOSER_ID = 1;
+
+  /**
+   * A callback after getting the permission to access a Google service.
+   *
+   * @author Jimmy Shih
+   */
+  private interface PermissionCallback {
+   
+    /**
+     * To be invoked when the permission is granted.
+     */
+    public void onSuccess();
+
+    /**
+     * To be invoked when the permission is not granted.
+     */
+    public void onFailure();
+  }
+
+  private SendRequest sendRequest;
+  private Account[] accounts;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    sendRequest = getIntent().getParcelableExtra(SendRequest.SEND_REQUEST_KEY);
+    accounts = AccountManager.get(this).getAccountsByType(Constants.ACCOUNT_TYPE);
+
+    if (accounts.length == 0) {
+      showDialog(DIALOG_NO_ACCOUNT_ID);
+      return;
+    }
+    
+    if (accounts.length == 1) {
+      sendRequest.setAccount(accounts[0]);
+      PreferencesUtils.setString(this, R.string.google_account_key, accounts[0].name);
+      getPermission(MapsConstants.SERVICE_NAME, sendRequest.isSendMaps(), mapsCallback);
+      return;
+    }
+
+    String googleAccount = PreferencesUtils.getString(this, R.string.google_account_key,
+        PreferencesUtils.GOOGLE_ACCOUNT_DEFAULT);
+    for (int i = 0; i < accounts.length; i++) {
+      if (accounts[i].name.equals(googleAccount)) {
+        sendRequest.setAccount(accounts[i]);
+        getPermission(MapsConstants.SERVICE_NAME, sendRequest.isSendMaps(), mapsCallback);
+        return;
+      }
+    }
+    showDialog(DIALOG_CHOOSER_ID);
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    switch (id) {
+      case DIALOG_NO_ACCOUNT_ID:
+        return new AlertDialog.Builder(this)
+            .setCancelable(true)
+            .setMessage(R.string.send_google_no_account_message)
+            .setOnCancelListener(new DialogInterface.OnCancelListener() {
+              @Override
+              public void onCancel(DialogInterface dialog) {
+                finish();
+              }
+            })
+            .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+              public void onClick(DialogInterface dialog, int which) {
+                finish();
+              }
+            })
+            .setTitle(R.string.send_google_no_account_title)
+            .create();
+      case DIALOG_CHOOSER_ID:
+        return createChooserDialog();
+      default:
+        return null;
+    }
+  }
+
+  /**
+   * Creates a chooser dialog.
+   */
+  private Dialog createChooserDialog() {
+    String[] choices = new String[accounts.length];
+    for (int i = 0; i < accounts.length; i++) {
+      choices[i] = accounts[i].name;
+    }
+    return new AlertDialog.Builder(this)
+        .setCancelable(true)
+        .setNegativeButton(R.string.generic_cancel, new DialogInterface.OnClickListener() {
+          public void onClick(DialogInterface dialog, int which) {
+            finish();
+          }
+        })
+        .setOnCancelListener(new DialogInterface.OnCancelListener() {
+          @Override
+          public void onCancel(DialogInterface dialog) {
+            finish();
+          }
+        })
+        .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+          public void onClick(DialogInterface dialog, int which) {
+            int position = ((AlertDialog) dialog).getListView().getCheckedItemPosition();
+            Account account = accounts[position];
+            PreferencesUtils.setString(
+                AccountChooserActivity.this, R.string.google_account_key, account.name);
+            sendRequest.setAccount(account);
+            getPermission(MapsConstants.SERVICE_NAME, sendRequest.isSendMaps(), mapsCallback);
+          }
+        })
+        .setSingleChoiceItems(choices, 0, null)
+        .setTitle(R.string.send_google_choose_account_title)
+        .create();
+  }
+  
+  private PermissionCallback spreadsheetsCallback = new PermissionCallback() {
+    @Override
+    public void onSuccess() {
+      startNextActivity();
+    }  
+    @Override
+    public void onFailure() {
+      handleNoAccountPermission();
+    }
+  };
+  
+  private PermissionCallback docsCallback = new PermissionCallback() {
+    @Override
+    public void onSuccess() {
+      getPermission(SpreadsheetsClient.SERVICE, sendRequest.isSendDocs(), spreadsheetsCallback);
+    }  
+    @Override
+    public void onFailure() {
+      handleNoAccountPermission();
+    }
+  };
+  
+  private PermissionCallback fusionTablesCallback = new PermissionCallback() {
+    @Override
+    public void onSuccess() {
+      getPermission(DocumentsClient.SERVICE, sendRequest.isSendDocs(), docsCallback);
+    }  
+    @Override
+    public void onFailure() {
+      handleNoAccountPermission();
+    }
+  };
+  
+  private PermissionCallback mapsCallback = new PermissionCallback() {
+    @Override
+    public void onSuccess() {
+      getPermission(
+          SendFusionTablesUtils.SERVICE, sendRequest.isSendFusionTables(), fusionTablesCallback);
+    }
+    @Override
+    public void onFailure() {
+      handleNoAccountPermission();
+    }
+  };
+  
+  /**
+   * Gets the user permission to access a service.
+   * 
+   * @param authTokenType the auth token type of the service
+   * @param needPermission true if need the permission
+   * @param callback callback after getting the permission
+   */
+  private void getPermission(
+      String authTokenType, boolean needPermission, final PermissionCallback callback) {
+    if (needPermission) {
+      AccountManager.get(this).getAuthToken(sendRequest.getAccount(), authTokenType, null, this,
+          new AccountManagerCallback<Bundle>() {
+            @Override
+            public void run(AccountManagerFuture<Bundle> future) {
+              try {
+                if (future.getResult().getString(AccountManager.KEY_AUTHTOKEN) != null) {
+                  callback.onSuccess();
+                } else {
+                  Log.d(TAG, "auth token is null");
+                  callback.onFailure();
+                }
+              } catch (OperationCanceledException e) {
+                Log.d(TAG, "Unable to get auth token", e);
+                callback.onFailure();
+              } catch (AuthenticatorException e) {
+                Log.d(TAG, "Unable to get auth token", e);
+                callback.onFailure();
+              } catch (IOException e) {
+                Log.d(TAG, "Unable to get auth token", e);
+                callback.onFailure();
+              }
+            }
+          }, null);
+    } else {
+      callback.onSuccess();
+    }
+  }
+
+  /**
+   * Starts the next activity. If
+   * <p>
+   * sendMaps and newMap -> {@link SendMapsActivity}
+   * <p>
+   * sendMaps and !newMap -> {@link ChooseMapActivity}
+   * <p>
+   * !sendMaps && sendFusionTables -> {@link SendFusionTablesActivity}
+   * <p>
+   * !sendMaps && !sendFusionTables && sendDocs -> {@link SendDocsActivity}
+   * <p>
+   * !sendMaps && !sendFusionTables && !sendDocs -> {@link UploadResultActivity}
+   *
+   */
+  private void startNextActivity() {
+    Class<?> next;
+    if (sendRequest.isSendMaps()) {
+      next = sendRequest.isNewMap() ? SendMapsActivity.class : ChooseMapActivity.class;
+    } else if (sendRequest.isSendFusionTables()) {
+      next = SendFusionTablesActivity.class;
+    } else if (sendRequest.isSendDocs()) {
+      next = SendDocsActivity.class;
+    } else {
+      next = UploadResultActivity.class;
+    }
+    Intent intent = IntentUtils.newIntent(this, next)
+        .putExtra(SendRequest.SEND_REQUEST_KEY, sendRequest);
+    startActivity(intent);
+    finish();
+  }
+  
+  /**
+   * Handles when not able to get account permission.
+   */
+  private void handleNoAccountPermission() {
+    Toast.makeText(this, R.string.send_google_no_account_permission, Toast.LENGTH_LONG).show();
+    finish();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/sendtogoogle/ConfirmSharingActivity.java

@@ -0,0 +1,105 @@
+/*
+ * 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.sendtogoogle;
+
+import com.google.android.apps.mytracks.util.DialogUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+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.view.View;
+import android.widget.CheckBox;
+import android.widget.TextView;
+
+/**
+ * An interstitial to confirm sharing with friends.
+ * 
+ * @author Jimmy Shih
+ */
+public class ConfirmSharingActivity extends Activity {
+
+  private static final int DIALOG_ID = 0;
+
+  private SendRequest sendRequest;
+  private CheckBox checkBox;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    sendRequest = getIntent().getParcelableExtra(SendRequest.SEND_REQUEST_KEY);
+    if (PreferencesUtils.getBoolean(this, R.string.show_confirm_sharing_dialog_key,
+        PreferencesUtils.SHOW_CONFIRM_SHARING_DIALOG_DEFAULT)) {
+      showDialog(DIALOG_ID);
+    } else {
+      startNextActivity();
+    }
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    if (id != DIALOG_ID) {
+      return null;
+    }
+    View view = getLayoutInflater().inflate(R.layout.confirm_sharing, null);
+    
+    TextView textView = (TextView) view.findViewById(R.id.confirm_sharing_text_view);
+    textView.setText(getString(
+        R.string.share_track_confirm_message, getString(R.string.maps_public_unlisted_url)));
+    
+    checkBox = (CheckBox) view.findViewById(R.id.confirm_sharing_check_box);
+    DialogInterface.OnClickListener okListener = new DialogInterface.OnClickListener() {
+        @Override
+      public void onClick(DialogInterface dialog, int button) {
+        PreferencesUtils.setBoolean(ConfirmSharingActivity.this,
+            R.string.show_confirm_sharing_dialog_key, !checkBox.isChecked());
+        startNextActivity();
+      }
+    };
+    DialogInterface.OnClickListener cancelListener = new DialogInterface.OnClickListener() {
+        @Override
+      public void onClick(DialogInterface dialog, int button) {
+        finish();
+      }
+    };
+  
+    Dialog dialog = DialogUtils.createConfirmationDialog(
+        this, -1, view, okListener, cancelListener);
+    dialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
+        @Override
+      public void onCancel(DialogInterface dialogInterface) {
+        finish();
+      }
+    });
+    return dialog;
+  }
+
+  /**
+   * Starts the next activity for sharing with friends and finishes this
+   * activity.
+   */
+  private void startNextActivity() {
+    Intent intent = IntentUtils.newIntent(this, AccountChooserActivity.class)
+        .putExtra(SendRequest.SEND_REQUEST_KEY, sendRequest);
+    startActivity(intent);
+    finish();
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/sendtogoogle/SendRequest.java

@@ -0,0 +1,289 @@
+/*
+ * 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.sendtogoogle;
+
+import android.accounts.Account;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * Send request states for sending a track to Google Maps, Google Fusion Tables,
+ * and Google Docs.
+ *
+ * @author Jimmy Shih
+ */
+public class SendRequest implements Parcelable {
+
+  public static final String SEND_REQUEST_KEY = "sendRequest";
+
+  private long trackId = -1L;
+  private String sharingAppPackageName = null;
+  private String sharingAppClassName = null;
+  private boolean sendMaps = false;
+  private boolean sendFusionTables = false;
+  private boolean sendDocs = false;
+  private boolean newMap = false;
+  private Account account = null;
+  private String mapId = null;
+  private boolean mapsSuccess = false;
+  private boolean docsSuccess = false;
+  private boolean fusionTablesSuccess = false;
+
+  /**
+   * Creates a new send request.
+   *
+   * @param trackId the track id
+   */
+  public SendRequest(long trackId) {
+    this.trackId = trackId;
+  }
+
+  /**
+   * Get the track id.
+   */
+  public long getTrackId() {
+    return trackId;
+  }
+
+  /**
+   * Gets the sharing app package name.
+   */
+  public String getSharingAppPackageName() {
+    return sharingAppPackageName;
+  }
+
+  /**
+   * Sets the sharing app package name.
+   * 
+   * @param sharingAppPackageName the sharing app package name
+   */
+  public void setSharingAppPackageName(String sharingAppPackageName) {
+    this.sharingAppPackageName = sharingAppPackageName;
+  }
+
+  /**
+   * Gets the sharing app class name.
+   */
+  public String getSharingAppClassName() {
+    return sharingAppClassName;
+  }
+
+  /**
+   * Sets the sharing app class name.
+   * 
+   * @param sharingAppClassName the sharing app class name
+   */
+  public void setSharingAppClassName(String sharingAppClassName) {
+    this.sharingAppClassName = sharingAppClassName;
+  }
+
+  /**
+   * True if the user has selected the send to Google Maps option.
+   */
+  public boolean isSendMaps() {
+    return sendMaps;
+  }
+
+  /**
+   * Sets the send to Google Maps option.
+   *
+   * @param sendMaps true if the user has selected the send to Google Maps
+   *          option
+   */
+  public void setSendMaps(boolean sendMaps) {
+    this.sendMaps = sendMaps;
+  }
+
+  /**
+   * True if the user has selected the send to Google Fusion Tables option.
+   */
+  public boolean isSendFusionTables() {
+    return sendFusionTables;
+  }
+
+  /**
+   * Sets the send to Google Fusion Tables option.
+   *
+   * @param sendFusionTables true if the user has selected the send to Google
+   *          Fusion Tables option
+   */
+  public void setSendFusionTables(boolean sendFusionTables) {
+    this.sendFusionTables = sendFusionTables;
+  }
+
+  /**
+   * True if the user has selected the send to Google Docs option.
+   */
+  public boolean isSendDocs() {
+    return sendDocs;
+  }
+
+  /**
+   * Sets the send to Google Docs option.
+   *
+   * @param sendDocs true if the user has selected the send to Google Docs
+   *          option
+   */
+  public void setSendDocs(boolean sendDocs) {
+    this.sendDocs = sendDocs;
+  }
+
+  /**
+   * True if the user has selected to create a new Google Maps.
+   */
+  public boolean isNewMap() {
+    return newMap;
+  }
+
+  /**
+   * Sets the new map option.
+   *
+   * @param newMap true if the user has selected to create a new Google Maps.
+   */
+  public void setNewMap(boolean newMap) {
+    this.newMap = newMap;
+  }
+
+  /**
+   * Gets the account.
+   */
+  public Account getAccount() {
+    return account;
+  }
+
+  /**
+   * Sets the account.
+   *
+   * @param account the account
+   */
+  public void setAccount(Account account) {
+    this.account = account;
+  }
+
+  /**
+   * Gets the selected map id if the user has selected to send a track to an
+   * existing Google Maps.
+   */
+  public String getMapId() {
+    return mapId;
+  }
+
+  /**
+   * Sets the map id.
+   *
+   * @param mapId the map id
+   */
+  public void setMapId(String mapId) {
+    this.mapId = mapId;
+  }
+
+  /**
+   * True if sending to Google Maps is success.
+   */
+  public boolean isMapsSuccess() {
+    return mapsSuccess;
+  }
+
+  /**
+   * Sets the Google Maps result.
+   *
+   * @param mapsSuccess true if sending to Google Maps is success
+   */
+  public void setMapsSuccess(boolean mapsSuccess) {
+    this.mapsSuccess = mapsSuccess;
+  }
+
+  /**
+   * True if sending to Google Fusion Tables is success.
+   */
+  public boolean isFusionTablesSuccess() {
+    return fusionTablesSuccess;
+  }
+
+  /**
+   * Sets the Google Fusion Tables result.
+   *
+   * @param fusionTablesSuccess true if sending to Google Fusion Tables is
+   *          success
+   */
+  public void setFusionTablesSuccess(boolean fusionTablesSuccess) {
+    this.fusionTablesSuccess = fusionTablesSuccess;
+  }
+
+  /**
+   * True if sending to Google Docs is success.
+   */
+  public boolean isDocsSuccess() {
+    return docsSuccess;
+  }
+
+  /**
+   * Sets the Google Docs result.
+   *
+   * @param docsSuccess true if sending to Google Docs is success
+   */
+  public void setDocsSuccess(boolean docsSuccess) {
+    this.docsSuccess = docsSuccess;
+  }
+
+  private SendRequest(Parcel in) {
+    trackId = in.readLong();
+    sharingAppPackageName = in.readString();
+    sharingAppClassName = in.readString();
+    sendMaps = in.readByte() == 1;
+    sendFusionTables = in.readByte() == 1;
+    sendDocs = in.readByte() == 1;
+    newMap = in.readByte() == 1;
+    account = in.readParcelable(null);
+    mapId = in.readString();
+    mapsSuccess = in.readByte() == 1;
+    fusionTablesSuccess = in.readByte() == 1;
+    docsSuccess = in.readByte() == 1;
+  }
+
+  @Override
+  public int describeContents() {
+    return 0;
+  }
+
+  @Override
+  public void writeToParcel(Parcel out, int flags) {
+    out.writeLong(trackId);
+    out.writeString(sharingAppPackageName);
+    out.writeString(sharingAppClassName);
+    out.writeByte((byte) (sendMaps ? 1 : 0));
+    out.writeByte((byte) (sendFusionTables ? 1 : 0));
+    out.writeByte((byte) (sendDocs ? 1 : 0));
+    out.writeByte((byte) (newMap ? 1 : 0));
+    out.writeParcelable(account, 0);
+    out.writeString(mapId);
+    out.writeByte((byte) (mapsSuccess ? 1 : 0));
+    out.writeByte((byte) (fusionTablesSuccess ? 1 : 0));
+    out.writeByte((byte) (docsSuccess ? 1 : 0));
+  }
+
+  public static final Parcelable.Creator<SendRequest> CREATOR = new Parcelable.Creator<
+      SendRequest>() {
+    public SendRequest createFromParcel(Parcel in) {
+      return new SendRequest(in);
+    }
+
+    public SendRequest[] newArray(int size) {
+      return new SendRequest[size];
+    }
+  };
+}

MyTracks/src/com/google/android/apps/mytracks/io/sendtogoogle/SendToGoogleUtils.java

@@ -0,0 +1,135 @@
+/*
+ * 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.sendtogoogle;
+
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.stats.TripStatistics;
+import com.google.android.apps.mytracks.util.LocationUtils;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.location.Location;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Commons utilities for sending a track to Google.
+ * 
+ * @author Jimmy Shih
+ */
+public class SendToGoogleUtils {
+
+  private static final String TAG = SendToGoogleUtils.class.getSimpleName();
+
+  private SendToGoogleUtils() {}
+
+  /**
+   * Prepares a list of locations to send to Google Maps or Google Fusion
+   * Tables. Splits the locations into segments if necessary.
+   *
+   * @param track the track
+   * @param locations the list of locations
+   * @return an array of split segments.
+   */
+  public static ArrayList<Track> prepareLocations(Track track, List<Location> locations) {
+    ArrayList<Track> splitTracks = new ArrayList<Track>();
+
+    // Create a new segment
+    Track segment = new Track();
+    segment.setId(track.getId());
+    segment.setName(track.getName());
+    segment.setDescription("");
+    segment.setCategory(track.getCategory());
+
+    TripStatistics segmentStats = segment.getTripStatistics();
+    TripStatistics trackStats = track.getTripStatistics();
+    segmentStats.setStartTime(trackStats.getStartTime());
+    segmentStats.setStopTime(trackStats.getStopTime());
+    boolean startNewTrackSegment = false;
+    for (Location loc : locations) {
+      // Latitude is greater than 90 if the location is invalid. Do not add to
+      // the segment.
+      if (loc.getLatitude() > 90) {
+        startNewTrackSegment = true;
+      }
+
+      if (startNewTrackSegment) {
+        // Close the last segment
+        prepareTrackSegment(segment, splitTracks);
+
+        startNewTrackSegment = false;
+        segment = new Track();
+        segment.setId(track.getId());
+        segment.setName(track.getName());
+        segment.setDescription("");
+        segment.setCategory(track.getCategory());
+        segmentStats = segment.getTripStatistics();
+      }
+
+      if (loc.getLatitude() <= 90) {
+        segment.addLocation(loc);
+
+        // For a new segment, sets its start time using the first available
+        // location time.
+        if (segmentStats.getStartTime() < 0) {
+          segmentStats.setStartTime(loc.getTime());
+        }
+      }
+    }
+
+    prepareTrackSegment(segment, splitTracks);
+
+    return splitTracks;
+  }
+
+  /**
+   * Prepares a track segment for sending to Google Maps or Google Fusion
+   * Tables. The main steps are:
+   * <ul>
+   * <li>make sure the segment has at least 2 points</li>
+   * <li>set the segment stop time if necessary</li>
+   * <li>decimate locations precision</li>
+   * </ul>
+   * The prepared track will be added to the splitTracks.
+   *
+   * @param segment the track segment
+   * @param splitTracks an array of track segments
+   */
+  @VisibleForTesting
+  static boolean prepareTrackSegment(Track segment, ArrayList<Track> splitTracks) {
+    // Make sure the segment has at least 2 points
+    if (segment.getLocations().size() < 2) {
+      Log.d(TAG, "segment has less than 2 points");
+      return false;
+    }
+
+    // For a new segment, sets it stop time
+    TripStatistics segmentStats = segment.getTripStatistics();
+    if (segmentStats.getStopTime() < 0) {
+      Location lastLocation = segment.getLocations().get(segment.getLocations().size() - 1);
+      segmentStats.setStopTime(lastLocation.getTime());
+    }
+
+    // Decimate to 2 meter precision. Google Maps and Google Fusion Tables do
+    // not like the locations to be too precise.
+    LocationUtils.decimate(segment, 2.0);
+
+    splitTracks.add(segment);
+    return true;
+  }
+}

MyTracks/src/com/google/android/apps/mytracks/io/sendtogoogle/UploadResultActivity.java

@@ -0,0 +1,177 @@
+/*
+ * 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.sendtogoogle;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.content.Track;
+import com.google.android.apps.mytracks.fragments.ChooseActivityDialogFragment;
+import com.google.android.apps.mytracks.io.fusiontables.SendFusionTablesUtils;
+import com.google.android.apps.mytracks.io.maps.SendMapsUtils;
+import com.google.android.apps.mytracks.util.IntentUtils;
+import com.google.android.maps.mytracks.R;
+import com.google.common.annotations.VisibleForTesting;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.app.FragmentActivity;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+/**
+ * A dialog to show the result of uploading to Google services.
+ * 
+ * @author Jimmy Shih
+ */
+public class UploadResultActivity extends FragmentActivity {
+
+  private static final String TAG = UploadResultActivity.class.getSimpleName();
+  @VisibleForTesting
+  static final int DIALOG_RESULT_ID = 0;
+  @VisibleForTesting
+  protected View view;
+
+  private SendRequest sendRequest;
+  private String shareUrl;
+  private Dialog resultDialog;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    sendRequest = getIntent().getParcelableExtra(SendRequest.SEND_REQUEST_KEY);
+    shareUrl = null;
+
+    Track track = MyTracksProviderUtils.Factory.get(this).getTrack(sendRequest.getTrackId());
+    if (track == null) {
+      Log.d(TAG, "No track for " + sendRequest.getTrackId());
+      finish();
+      return;
+    }
+    
+    if (sendRequest.isSendMaps() && sendRequest.isMapsSuccess()) {
+      shareUrl = SendMapsUtils.getMapUrl(track);
+      if (sendRequest.getSharingAppPackageName() != null) {
+        Intent intent = IntentUtils.newShareUrlIntent(this, sendRequest.getTrackId(), shareUrl,
+            sendRequest.getSharingAppPackageName(), sendRequest.getSharingAppClassName());
+        startActivity(intent);
+        finish();
+        return;
+      }
+    }
+    if (shareUrl == null && sendRequest.isSendFusionTables()
+        && sendRequest.isFusionTablesSuccess()) {
+      shareUrl = SendFusionTablesUtils.getMapUrl(track);
+    }
+    showDialog(DIALOG_RESULT_ID);
+  }
+
+  @Override
+  protected Dialog onCreateDialog(int id) {
+    if (id != DIALOG_RESULT_ID) {
+      return null;
+    }
+    view = getLayoutInflater().inflate(R.layout.upload_result, null);
+
+    LinearLayout mapsResult = (LinearLayout) view.findViewById(R.id.upload_result_maps_result);
+    LinearLayout fusionTablesResult = (LinearLayout) view.findViewById(
+        R.id.upload_result_fusion_tables_result);
+    LinearLayout docsResult = (LinearLayout) view.findViewById(R.id.upload_result_docs_result);
+
+    ImageView mapsResultIcon = (ImageView) view.findViewById(R.id.upload_result_maps_result_icon);
+    ImageView fusionTablesResultIcon = (ImageView) view.findViewById(
+        R.id.upload_result_fusion_tables_result_icon);
+    ImageView docsResultIcon = (ImageView) view.findViewById(R.id.upload_result_docs_result_icon);
+
+    TextView successFooter = (TextView) view.findViewById(R.id.upload_result_success_footer);
+    TextView errorFooter = (TextView) view.findViewById(R.id.upload_result_error_footer);
+
+    boolean hasError = false;
+    if (!sendRequest.isSendMaps()) {
+      mapsResult.setVisibility(View.GONE);
+    } else {
+      if (!sendRequest.isMapsSuccess()) {
+        mapsResultIcon.setImageResource(R.drawable.failure);
+        mapsResultIcon.setContentDescription(getString(R.string.generic_error_title));
+        hasError = true;
+      }
+    }
+
+    if (!sendRequest.isSendFusionTables()) {
+      fusionTablesResult.setVisibility(View.GONE);
+    } else {
+      if (!sendRequest.isFusionTablesSuccess()) {
+        fusionTablesResultIcon.setImageResource(R.drawable.failure);
+        fusionTablesResultIcon.setContentDescription(getString(R.string.generic_error_title));
+        hasError = true;
+      }
+    }
+
+    if (!sendRequest.isSendDocs()) {
+      docsResult.setVisibility(View.GONE);
+    } else {
+      if (!sendRequest.isDocsSuccess()) {
+        docsResultIcon.setImageResource(R.drawable.failure);
+        docsResultIcon.setContentDescription(getString(R.string.generic_error_title));
+        hasError = true;
+      }
+    }
+
+    if (hasError) {
+      successFooter.setVisibility(View.GONE);
+    } else {
+      errorFooter.setVisibility(View.GONE);
+    }
+
+    AlertDialog.Builder builder = new AlertDialog.Builder(this)
+        .setCancelable(true)
+        .setIcon(hasError ? android.R.drawable.ic_dialog_alert : android.R.drawable.ic_dialog_info)
+        .setOnCancelListener(new DialogInterface.OnCancelListener() {
+            @Override
+          public void onCancel(DialogInterface dialog) {
+            finish();
+          }
+        })
+        .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+            @Override
+          public void onClick(DialogInterface dialog, int which) {
+            finish();
+          }
+        })
+        .setTitle(hasError ? R.string.generic_error_title : R.string.generic_success_title)
+        .setView(view);
+
+    // Add a Share URL button if shareUrl exists
+    if (shareUrl != null) {
+      builder.setNegativeButton(
+          R.string.share_track_share_url, new DialogInterface.OnClickListener() {
+              @Override
+            public void onClick(DialogInterface dialog, int which) {
+              ChooseActivityDialogFragment.newInstance(sendRequest.getTrackId(), shareUrl).show(
+                  getSupportFragmentManager(),
+                  ChooseActivityDialogFragment.CHOOSE_ACTIVITY_DIALOG_TAG);
+            }
+          });
+    }
+    resultDialog = builder.create();
+    return resultDialog;
+  }
+
+}