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/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();
+  }
+}