Finishing Sandor's renaming.

MyTracks/AndroidManifest.xml

@@ -52,7 +52,7 @@ limitations under the License.
       </intent-filter>
     </activity>
 
-    <activity android:name="com.google.android.apps.mytracks.MyTracksMap"
+    <activity android:name="com.google.android.apps.mytracks.MapActivity"
               android:label="MyTracks"
               android:exported="false" />
 
@@ -73,7 +73,7 @@ limitations under the License.
     <activity android:name="com.google.android.apps.mytracks.WaypointDetails"
               android:label="@string/waypointdetails_title" />
 
-    <activity android:name="com.google.android.apps.mytracks.MyTracksSettings"
+    <activity android:name="com.google.android.apps.mytracks.SettingsActivity"
               android:label="@string/mytracks_settings" />
 
     <activity android:name="com.google.android.apps.mytracks.AggregatedStatsActivity"
@@ -101,7 +101,7 @@ limitations under the License.
              android:exported="true"
              android:permission="com.google.android.apps.mytracks.WRITE_TRACK_DATA" />
 
-    <receiver android:name="com.google.android.apps.mytracks.MyTracksReceiver">
+    <receiver android:name="com.google.android.apps.mytracks.BootReceiver">
       <intent-filter>
         <action android:name="android.intent.action.BOOT_COMPLETED" />
 	  </intent-filter>

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

@@ -67,7 +67,7 @@ public class AggregatedStatsActivity extends Activity implements
     sv.setScrollBarStyle(ScrollView.SCROLLBARS_OUTSIDE_INSET);
 
     SharedPreferences preferences = getSharedPreferences(
-            MyTracksSettings.SETTINGS_NAME, 0);
+            Constants.SETTINGS_NAME, 0);
     if (preferences != null) {
       metricUnits = preferences.getBoolean(getString(R.string.metric_units_key), true);
       preferences.registerOnSharedPreferenceChangeListener(this);

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

@@ -41,17 +41,17 @@ import android.util.Log;
  * 
  * @author Bartlomiej Niechwiej
  */
-public class MyTracksReceiver extends BroadcastReceiver {
+public class BootReceiver extends BroadcastReceiver {
 
   @Override
   public void onReceive(Context context, Intent intent) {
-    Log.d(TAG, "MyTracksReceiver.onReceive: " + intent.getAction());
+    Log.d(TAG, "BootReceiver.onReceive: " + intent.getAction());
     if (ACTION_BOOT_COMPLETED.equals(intent.getAction())) {
       Intent startIntent = new Intent(context, TrackRecordingService.class);
       startIntent.putExtra(RESUME_TRACK_EXTRA_NAME, true);
       context.startService(startIntent);
     } else {
-      Log.w(TAG, "MyTracksReceiver: unsupported action");
+      Log.w(TAG, "BootReceiver: unsupported action");
     }
   }
 }

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

@@ -27,7 +27,7 @@ import com.google.android.apps.mytracks.services.StatusAnnouncerFactory;
 import com.google.android.apps.mytracks.stats.DoubleBuffer;
 import com.google.android.apps.mytracks.stats.TripStatisticsBuilder;
 import com.google.android.apps.mytracks.util.ApiFeatures;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
 import com.google.android.maps.mytracks.R;
 
@@ -356,7 +356,7 @@ public class ChartActivity extends Activity implements TrackDataListener {
 
   @Override
   public void onNewTrackPoint(Location loc) {
-    if (MyTracksUtils.isValidLocation(loc)) {
+    if (LocationUtils.isValidLocation(loc)) {
       double[] point = new double[6];
       fillDataPoint(loc, point);
       pendingPoints.add(point);

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

@@ -78,7 +78,7 @@ class CheckUnits {
 
   private static void accept(Context context, SharedPreferences preferences) {
     recordCheckPerformed(preferences);
-    Intent startIntent = new Intent(context, MyTracksSettings.class);
+    Intent startIntent = new Intent(context, SettingsActivity.class);
     context.startActivity(startIntent);
   }
 

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

@@ -222,6 +222,20 @@ public abstract class Constants {
   public static final String MAPSHOP_BASE_URL =
     "http://maps.google.com/maps/ms";
 
+  /*
+   * Default values - keep in sync with those in preferences.xml.
+   */
+
+  public static final int DEFAULT_ANNOUNCEMENT_FREQUENCY = -1;
+  public static final int DEFAULT_AUTO_RESUME_TRACK_TIMEOUT = 10;  // In min.
+  public static final int DEFAULT_MAX_RECORDING_DISTANCE = 200;
+  public static final int DEFAULT_MIN_RECORDING_DISTANCE = 5;
+  public static final int DEFAULT_MIN_RECORDING_INTERVAL = 0;
+  public static final int DEFAULT_MIN_REQUIRED_ACCURACY = 200;
+  public static final int DEFAULT_SPLIT_FREQUENCY = 0;
+
+  public static final String SETTINGS_NAME = "SettingsActivity";
+
   /**
    * This is an abstract utility class.
    */

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

@@ -61,7 +61,7 @@ public class DeleteAllTracks extends Handler {
             Log.w(Constants.TAG, "deleting all!");
             MyTracksProviderUtils.Factory.get(context).deleteAllTracks();
             SharedPreferences prefs =
-                context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+                context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
             SharedPreferences.Editor editor = prefs.edit();
             // TODO: Go through data manager
             editor.putLong(context.getString(R.string.selected_track_key), -1);

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

@@ -20,7 +20,7 @@ import com.google.android.apps.mytracks.content.TracksColumns;
 import com.google.android.apps.mytracks.io.TrackWriter;
 import com.google.android.apps.mytracks.io.TrackWriterFactory;
 import com.google.android.apps.mytracks.io.TrackWriterFactory.TrackFileFormat;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.app.Activity;
@@ -113,14 +113,14 @@ public class ExportAllTracks {
    */
   private void aquireLocksAndExport() {
     SharedPreferences prefs =
-        activity.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        activity.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     long recordingTrackId = -1;
     if (prefs != null) {
       recordingTrackId =
     	  prefs.getLong(activity.getString(R.string.recording_track_key), -1);
     }
     if (recordingTrackId != -1) {
-      wakeLock = MyTracksUtils.acquireWakeLock(activity, wakeLock);
+      wakeLock = SystemUtils.acquireWakeLock(activity, wakeLock);
     }
 
     // Now we can safely export everything.

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

@@ -18,7 +18,7 @@ package com.google.android.apps.mytracks;
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
 import com.google.android.apps.mytracks.io.GpxImporter;
 import com.google.android.apps.mytracks.util.FileUtils;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.app.Activity;
@@ -82,13 +82,13 @@ public class ImportAllTracks {
    * track. Acquire a wake lock if there is no current track.
    */
   private void aquireLocksAndImport() {
-    SharedPreferences prefs = activity.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+    SharedPreferences prefs = activity.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     long recordingTrackId = -1;
     if (prefs != null) {
       recordingTrackId = prefs.getLong(activity.getString(R.string.recording_track_key), -1);
     }
     if (recordingTrackId != -1) {
-      wakeLock = MyTracksUtils.acquireWakeLock(activity, wakeLock);
+      wakeLock = SystemUtils.acquireWakeLock(activity, wakeLock);
     }
 
     // Now we can safely import everything.

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

@@ -24,9 +24,8 @@ import com.google.android.apps.mytracks.services.StatusAnnouncerFactory;
 import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.apps.mytracks.util.ApiFeatures;
 import com.google.android.apps.mytracks.util.GeoRect;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.maps.GeoPoint;
-import com.google.android.maps.MapActivity;
 import com.google.android.maps.MapController;
 import com.google.android.maps.MapView;
 import com.google.android.maps.mytracks.R;
@@ -56,7 +55,7 @@ import android.widget.TextView;
  * @author Leif Hendrik Wilden
  * @author Rodrigo Damazio
  */
-public class MyTracksMap extends MapActivity
+public class MapActivity extends com.google.android.maps.MapActivity
     implements View.OnTouchListener, View.OnClickListener,
         TrackDataListener {
 
@@ -85,7 +84,7 @@ public class MyTracksMap extends MapActivity
 
   private RelativeLayout screen;
   private MapView mapView;
-  private MyTracksOverlay mapOverlay;
+  private MapOverlay mapOverlay;
   private LinearLayout messagePane;
   private TextView messageText;
   private LinearLayout busyPane;
@@ -118,7 +117,7 @@ public class MyTracksMap extends MapActivity
 
   @Override
   public void onCreate(Bundle bundle) {
-    Log.d(TAG, "MyTracksMap.onCreate");
+    Log.d(TAG, "MapActivity.onCreate");
     super.onCreate(bundle);
 
     // The volume we want to control is the Text-To-Speech volume
@@ -141,7 +140,7 @@ public class MyTracksMap extends MapActivity
     screen = (RelativeLayout) findViewById(R.id.screen);
     mapView = (MapView) findViewById(R.id.map);
     mapView.requestFocus();
-    mapOverlay = new MyTracksOverlay(this);
+    mapOverlay = new MapOverlay(this);
     mapView.getOverlays().add(mapOverlay);
     mapView.setOnTouchListener(this);
     mapView.setBuiltInZoomControls(true);
@@ -156,7 +155,7 @@ public class MyTracksMap extends MapActivity
 
   @Override
   protected void onRestoreInstanceState(Bundle bundle) {
-    Log.d(TAG, "MyTracksMap.onRestoreInstanceState");
+    Log.d(TAG, "MapActivity.onRestoreInstanceState");
     if (bundle != null) {
       super.onRestoreInstanceState(bundle);
       keepMyLocationVisible =
@@ -174,7 +173,7 @@ public class MyTracksMap extends MapActivity
 
   @Override
   protected void onStart() {
-    Log.d(TAG, "MyTracksMap.onStart");
+    Log.d(TAG, "MapActivity.onStart");
     super.onStart();
 
     dataHub.registerTrackDataListener(this);
@@ -182,7 +181,7 @@ public class MyTracksMap extends MapActivity
 
   @Override
   protected void onSaveInstanceState(Bundle outState) {
-    Log.d(TAG, "MyTracksMap.onSaveInstanceState");
+    Log.d(TAG, "MapActivity.onSaveInstanceState");
     outState.putBoolean(KEY_KEEP_MY_LOCATION_VISIBLE, keepMyLocationVisible);
     if (currentLocation != null) {
       outState.putParcelable(KEY_CURRENT_LOCATION, currentLocation);
@@ -192,7 +191,7 @@ public class MyTracksMap extends MapActivity
 
   @Override
   protected void onStop() {
-    Log.d(TAG, "MyTracksMap.onStop");
+    Log.d(TAG, "MapActivity.onStop");
 
     dataHub.unregisterTrackDataListener(this);
 
@@ -236,7 +235,7 @@ public class MyTracksMap extends MapActivity
     GeoRect r = new GeoRect(center, latSpan, lonSpan);
     r.top += margin;
 
-    GeoPoint geoPoint = MyTracksUtils.getGeoPoint(location);
+    GeoPoint geoPoint = LocationUtils.getGeoPoint(location);
     return r.contains(geoPoint);
   }
 
@@ -251,7 +250,7 @@ public class MyTracksMap extends MapActivity
     mapOverlay.setMyLocation(currentLocation);
     mapView.postInvalidate();
     if (keepMyLocationVisible && !locationIsVisible(currentLocation)) {
-      GeoPoint geoPoint = MyTracksUtils.getGeoPoint(currentLocation);
+      GeoPoint geoPoint = LocationUtils.getGeoPoint(currentLocation);
       MapController controller = mapView.getController();
       controller.animateTo(geoPoint);
     }
@@ -290,7 +289,7 @@ public class MyTracksMap extends MapActivity
       GeoPoint center = new GeoPoint(
           bottom + latSpanE6 / 2,
           left + lonSpanE6 / 2);
-      if (MyTracksUtils.isValidGeoPoint(center)) {
+      if (LocationUtils.isValidGeoPoint(center)) {
         mapView.getController().setCenter(center);
         mapView.getController().zoomToSpan(latSpanE6, lonSpanE6);
       }
@@ -482,7 +481,7 @@ public class MyTracksMap extends MapActivity
           messagePane.setVisibility(View.VISIBLE);
 
           if (bindClick) {
-            messagePane.setOnClickListener(MyTracksMap.this);
+            messagePane.setOnClickListener(MapActivity.this);
           } else {
             messagePane.setOnClickListener(null);
           }
@@ -499,7 +498,7 @@ public class MyTracksMap extends MapActivity
   public void onCurrentLocationChanged(Location location) {
     if (!location.getProvider().equals(Constants.GPS_PROVIDER)) {
       Log.d(TAG,
-          "MyTracksMap: Network location update received (provider '" + location.getProvider() + "'.");
+          "MapActivity: Network location update received (provider '" + location.getProvider() + "'.");
     }
 
     currentLocation = location;
@@ -522,7 +521,7 @@ public class MyTracksMap extends MapActivity
 
   @Override
   public void onNewWaypoint(Waypoint waypoint) {
-    if (MyTracksUtils.isValidLocation(waypoint.getLocation())) {
+    if (LocationUtils.isValidLocation(waypoint.getLocation())) {
       // TODO: Optimize locking inside addWaypoint
       mapOverlay.addWaypoint(waypoint);
     }

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

@@ -16,7 +16,7 @@
 package com.google.android.apps.mytracks;
 
 import com.google.android.apps.mytracks.content.Waypoint;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.maps.GeoPoint;
 import com.google.android.maps.MapView;
 import com.google.android.maps.Overlay;
@@ -45,7 +45,7 @@ import java.util.concurrent.BlockingQueue;
  *
  * @author Leif Hendrik Wilden
  */
-public class MyTracksOverlay extends Overlay {
+public class MapOverlay extends Overlay {
 
   private final Drawable[] arrows;
   private final int arrowWidth, arrowHeight;
@@ -92,12 +92,12 @@ public class MyTracksOverlay extends Overlay {
      * Constructor for a potentially valid cached location.
      */
     public CachedLocation(Location location) {
-      this.valid = MyTracksUtils.isValidLocation(location);
+      this.valid = LocationUtils.isValidLocation(location);
-      this.geoPoint = valid ? MyTracksUtils.getGeoPoint(location) : null; 
+      this.geoPoint = valid ? LocationUtils.getGeoPoint(location) : null; 
     }
   };
 
-  public MyTracksOverlay(Context context) {
+  public MapOverlay(Context context) {
     this.context = context;
     
     this.waypoints = new ArrayList<Waypoint>();
@@ -278,7 +278,7 @@ public class MyTracksOverlay extends Overlay {
     synchronized (waypoints) {;
       for (Waypoint wpt : waypoints) {
         Location loc = wpt.getLocation();
-        drawElement(canvas, projection, MyTracksUtils.getGeoPoint(loc),
+        drawElement(canvas, projection, LocationUtils.getGeoPoint(loc),
             wpt.getType() == Waypoint.TYPE_STATISTICS ? statsMarker
                 : waypointMarker, -(markerWidth / 2) + 3, -markerHeight);
       }
@@ -292,7 +292,7 @@ public class MyTracksOverlay extends Overlay {
     }
 
     Point pt = drawElement(canvas, projection,
-        MyTracksUtils.getGeoPoint(myLocation), arrows[lastHeading],
+        LocationUtils.getGeoPoint(myLocation), arrows[lastHeading],
         -(arrowWidth / 2) + 3, -(arrowHeight / 2));
     // Draw the error circle.
     float radius = projection.metersToEquatorPixels(myLocation.getAccuracy());
@@ -441,7 +441,7 @@ public class MyTracksOverlay extends Overlay {
       return false;
     }
 
-    final Location tapLocation = MyTracksUtils.getLocation(p);
+    final Location tapLocation = LocationUtils.getLocation(p);
     double dmin = Double.MAX_VALUE;
     Waypoint waypoint = null;
     synchronized (waypoints) {

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

@@ -78,7 +78,7 @@ class MenuManager {
         return startActivity(SensorStateActivity.class);
       }
       case R.id.menu_settings: {
-        return startActivity(MyTracksSettings.class);
+        return startActivity(SettingsActivity.class);
       }
       case R.id.menu_aggregated_stats: {
         return startActivity(AggregatedStatsActivity.class);

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

@@ -47,7 +47,7 @@ import com.google.android.apps.mytracks.services.StatusAnnouncerFactory;
 import com.google.android.apps.mytracks.services.TrackRecordingService;
 import com.google.android.apps.mytracks.util.ApiFeatures;
 import com.google.android.apps.mytracks.util.FileUtils;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.app.Activity;
@@ -246,14 +246,14 @@ public class MyTracks extends TabActivity implements OnTouchListener,
     super.onCreate(savedInstanceState);
     instance = this;
     ApiFeatures apiFeatures = ApiFeatures.getInstance();
-    if (!MyTracksUtils.isRelease(this)) {
+    if (!SystemUtils.isRelease(this)) {
       apiFeatures.getApiPlatformAdapter().enableStrictMode();
     }
 
     providerUtils = MyTracksProviderUtils.Factory.get(this);
     dataHub = new TrackDataHub(this, providerUtils);
     menuManager = new MenuManager(this);
-    sharedPreferences = getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+    sharedPreferences = getSharedPreferences(Constants.SETTINGS_NAME, 0);
     dialogManager = new DialogManager(this);
 
     // The volume we want to control is the Text-To-Speech volume
@@ -269,7 +269,7 @@ public class MyTracks extends TabActivity implements OnTouchListener,
     tabHost.addTab(tabHost.newTabSpec("tab1")
         .setIndicator("Map", res.getDrawable(
             android.R.drawable.ic_menu_mapmode))
-        .setContent(new Intent(this, MyTracksMap.class)));
+        .setContent(new Intent(this, MapActivity.class)));
     tabHost.addTab(tabHost.newTabSpec("tab2")
         .setIndicator("Stats", res.getDrawable(R.drawable.menu_stats))
         .setContent(new Intent(this, StatsActivity.class)));
@@ -462,8 +462,8 @@ public class MyTracks extends TabActivity implements OnTouchListener,
         if (results != null) {
           final long waypointId = results.getLongExtra("waypointid", -1);
           if (waypointId >= 0) {
-            MyTracksMap map =
+            MapActivity map =
-                (MyTracksMap) getLocalActivityManager().getActivity("tab1");
+                (MapActivity) getLocalActivityManager().getActivity("tab1");
             if (map != null) {
               getTabHost().setCurrentTab(0);
               map.showWaypoint(waypointId);

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

@@ -54,28 +54,14 @@ import java.util.Set;
  * @author Leif Hendrik Wilden
  * @author Rodrigo Damazio
  */
-public class MyTracksSettings extends PreferenceActivity {
+public class SettingsActivity extends PreferenceActivity {
-
-  public static final String SETTINGS_NAME = "MyTracksSettings";
-
-  /*
-   * Default values - keep in sync with those in preferences.xml.
-   */
-  public static final int DEFAULT_AUTO_RESUME_TRACK_TIMEOUT = 10;  // In min.
-  public static final int DEFAULT_ANNOUNCEMENT_FREQUENCY = -1;
-  public static final int DEFAULT_MAX_RECORDING_DISTANCE = 200;
-  public static final int DEFAULT_MIN_RECORDING_DISTANCE = 5;
-  public static final int DEFAULT_MIN_RECORDING_INTERVAL = 0;
-  public static final int DEFAULT_MIN_REQUIRED_ACCURACY = 200;
-  public static final int DEFAULT_SPLIT_FREQUENCY = 0;
 
   private BackupPreferencesListener backupListener;
-
   private SharedPreferences preferences;
 
   /** Called when the activity is first created. */
   @Override
-  public void onCreate(Bundle icicle) {
+  protected void onCreate(Bundle icicle) {
     super.onCreate(icicle);
 
     // The volume we want to control is the Text-To-Speech volume
@@ -86,7 +72,7 @@ public class MyTracksSettings extends PreferenceActivity {
 
     // Tell it where to read/write preferences
     PreferenceManager preferenceManager = getPreferenceManager();
-    preferenceManager.setSharedPreferencesName(SETTINGS_NAME);
+    preferenceManager.setSharedPreferencesName(Constants.SETTINGS_NAME);
     preferenceManager.setSharedPreferencesMode(0);
 
     // Set up automatic preferences backup
@@ -219,7 +205,7 @@ public class MyTracksSettings extends PreferenceActivity {
           @Override
           public boolean onPreferenceClick(Preference preference) {
             BackupActivityHelper backupHelper =
-                new BackupActivityHelper(MyTracksSettings.this);
+                new BackupActivityHelper(SettingsActivity.this);
             backupHelper.writeBackup();
             return true;
           }
@@ -229,7 +215,7 @@ public class MyTracksSettings extends PreferenceActivity {
           @Override
           public boolean onPreferenceClick(Preference preference) {
             BackupActivityHelper backupHelper =
-                new BackupActivityHelper(MyTracksSettings.this);
+                new BackupActivityHelper(SettingsActivity.this);
             backupHelper.restoreBackup();
             return true;
           }
@@ -373,7 +359,7 @@ public class MyTracksSettings extends PreferenceActivity {
           public void run() {
             // Give feedback to the user.
             Toast.makeText(
-                MyTracksSettings.this,
+                SettingsActivity.this,
                 R.string.settings_reset_done,
                 Toast.LENGTH_SHORT).show();
 

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

@@ -27,7 +27,7 @@ import com.google.android.apps.mytracks.content.Waypoint;
 import com.google.android.apps.mytracks.content.WaypointsColumns;
 import com.google.android.apps.mytracks.services.TrackRecordingService;
 import com.google.android.apps.mytracks.util.ApiFeatures;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.content.ContentResolver;
@@ -251,7 +251,7 @@ public class TrackDataHub {
     listenerHandlerThread.start();
     listenerHandler = new Handler(listenerHandlerThread.getLooper());
 
-    sharedPreferences = ctx.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+    sharedPreferences = ctx.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     preferenceListener = new HubSharedPreferenceListener();
 
     sensorManager = (SensorManager) ctx.getSystemService(Context.SENSOR_SERVICE);
@@ -286,7 +286,7 @@ public class TrackDataHub {
     useMetricUnits = sharedPreferences.getBoolean(METRIC_UNITS_KEY, true);
     reportSpeed = sharedPreferences.getBoolean(SPEED_REPORTING_KEY, true);
     minRequiredAccuracy = sharedPreferences.getInt(MIN_REQUIRED_ACCURACY_KEY,
-        MyTracksSettings.DEFAULT_MIN_REQUIRED_ACCURACY);
+        Constants.DEFAULT_MIN_REQUIRED_ACCURACY);
 
     if (recordingTrackId > 0) {
       Intent startIntent = new Intent(context, TrackRecordingService.class);
@@ -608,7 +608,7 @@ public class TrackDataHub {
       recordingTrackId = sharedPreferences.getLong(RECORDING_TRACK_KEY, -1);
     } else if (key.equals(MIN_REQUIRED_ACCURACY_KEY)) {
       minRequiredAccuracy = sharedPreferences.getInt(RECORDING_TRACK_KEY,
-          MyTracksSettings.DEFAULT_MIN_REQUIRED_ACCURACY);
+          Constants.DEFAULT_MIN_REQUIRED_ACCURACY);
     } else if (key.equals(METRIC_UNITS_KEY)) {
       useMetricUnits = sharedPreferences.getBoolean(METRIC_UNITS_KEY, true);
       notifyUnitsChanged();
@@ -805,7 +805,7 @@ public class TrackDataHub {
           if (cursor != null && cursor.moveToFirst()) {
             do {
               Waypoint waypoint = providerUtils.createWaypoint(cursor);
-              if (!MyTracksUtils.isValidLocation(waypoint.getLocation())) {
+              if (!LocationUtils.isValidLocation(waypoint.getLocation())) {
                 continue;
               }
     
@@ -964,7 +964,7 @@ public class TrackDataHub {
       int numLoadedPoints,
       int pointSamplingFrequency,
       TrackDataListener[] listeners) {
-    boolean isValid = MyTracksUtils.isValidLocation(location);
+    boolean isValid = LocationUtils.isValidLocation(location);
     if (isValid) {
       // Include a point if it fits one of the following criteria:
       // - Has the mod for the sampling frequency (includes first point).

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

@@ -202,7 +202,7 @@ public class TrackList extends ListActivity
     findViewById(R.id.tracklist_btn_import_all).setOnClickListener(this);
 
     SharedPreferences preferences =
-        getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        getSharedPreferences(Constants.SETTINGS_NAME, 0);
     preferences.registerOnSharedPreferenceChangeListener(this);
     metricUnits =
         preferences.getBoolean(getString(R.string.metric_units_key), true);

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

@@ -65,7 +65,7 @@ public class WaypointDetails extends Activity
 
     utils = new StatsUtilities(this);
     SharedPreferences preferences =
-        getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        getSharedPreferences(Constants.SETTINGS_NAME, 0);
     if (preferences != null) {
       boolean useMetric =
           preferences.getBoolean(getString(R.string.metric_units_key), true);

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

@@ -138,7 +138,7 @@ public class WaypointsList extends ListActivity
         (Button) findViewById(R.id.waypointslist_btn_insert_statistics);
     insertStatisticsButton.setOnClickListener(this);
     SharedPreferences preferences =
-        getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        getSharedPreferences(Constants.SETTINGS_NAME, 0);
 
     // TODO: Get rid of selected and recording track IDs
     long selectedTrackId = -1;

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

@@ -15,7 +15,7 @@
  */
 package com.google.android.apps.mytracks;
 
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.app.Activity;
@@ -82,6 +82,6 @@ public class WelcomeActivity extends Activity {
     AlertDialog dialog = builder.create();
     dialog.show();
     ((TextView) dialog.findViewById(R.id.about_version_register)).
-        setText(MyTracksUtils.getMyTracksVersion(this));
+        setText(SystemUtils.getMyTracksVersion(this));
   }
 }

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

@@ -19,7 +19,7 @@ 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.MyTracksUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.apps.mytracks.util.StringUtils;
 
 import android.location.Location;
@@ -362,7 +362,7 @@ public class GpxImporter extends DefaultHandler {
    * @throws SAXException - thrown if track point is invalid
    */
   private void onTrackPointElementEnd() throws SAXException {
-    if (MyTracksUtils.isValidLocation(location)) {
+    if (LocationUtils.isValidLocation(location)) {
       if (statsBuilder == null) {
         // first point did not have a time, start stats builder without it
         statsBuilder = new TripStatisticsBuilder(0);

MyTracks/src/com/google/android/apps/mytracks/io/SendToDocs.java

@@ -17,7 +17,6 @@ package com.google.android.apps.mytracks.io;
 
 import com.google.android.apps.mytracks.MyTracks;
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
 import com.google.android.apps.mytracks.content.Track;
 import com.google.android.apps.mytracks.io.docs.DocsHelper;
@@ -73,7 +72,7 @@ public class SendToDocs {
     this.trackId = trackId;
 
     SharedPreferences preferences = activity.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
     if (preferences != null) {
       metricUnits =
           preferences.getBoolean(activity.getString(R.string.metric_units_key),

MyTracks/src/com/google/android/apps/mytracks/io/SendToFusionTables.java

@@ -16,7 +16,6 @@
 package com.google.android.apps.mytracks.io;
 
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.apps.mytracks.ProgressIndicator;
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
 import com.google.android.apps.mytracks.content.Track;
@@ -25,8 +24,9 @@ import com.google.android.apps.mytracks.io.gdata.GDataWrapper;
 import com.google.android.apps.mytracks.io.gdata.GDataWrapper.QueryFunction;
 import com.google.android.apps.mytracks.stats.DoubleBuffer;
 import com.google.android.apps.mytracks.stats.TripStatistics;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.apps.mytracks.util.StringUtils;
+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;
@@ -141,7 +141,7 @@ public class SendToFusionTables implements Runnable {
     this.providerUtils = MyTracksProviderUtils.Factory.get(context);
 
     GoogleHeaders headers = new GoogleHeaders();
-    headers.setApplicationName("Google-MyTracks-" + MyTracksUtils.getMyTracksVersion(context));
+    headers.setApplicationName("Google-MyTracks-" + SystemUtils.getMyTracksVersion(context));
     headers.gdataVersion = GDATA_VERSION;
 
     transport = new HttpTransport();
@@ -296,7 +296,7 @@ public class SendToFusionTables implements Runnable {
 
   private boolean uploadAllTrackPoints(final Track track, String originalDescription) {
 
-    SharedPreferences preferences = context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+    SharedPreferences preferences = context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     boolean metricUnits = true;
     if (preferences != null) {
       metricUnits = preferences.getBoolean(context.getString(R.string.metric_units_key), true);
@@ -344,7 +344,7 @@ public class SendToFusionTables implements Runnable {
         }
 
         // Add to the elevation profile.
-        if (loc != null && MyTracksUtils.isValidLocation(loc)) {
+        if (loc != null && LocationUtils.isValidLocation(loc)) {
           // All points go into the smoothing buffer...
           elevationBuffer.setNext(metricUnits ? loc.getAltitude()
               : loc.getAltitude() * UnitConversions.M_TO_FT);
@@ -566,12 +566,12 @@ public class SendToFusionTables implements Runnable {
      * Decimate to 2 meter precision. Fusion tables doesn't like too many
      * points:
      */
-    MyTracksUtils.decimate(segment, 2.0);
+    LocationUtils.decimate(segment, 2.0);
 
     /* If the track still has > 2500 points, split it in pieces: */
     final int maxPoints = 2500;
     if (segment.getLocations().size() > maxPoints) {
-      splitTracks.addAll(MyTracksUtils.split(segment, maxPoints));
+      splitTracks.addAll(LocationUtils.split(segment, maxPoints));
     } else if (segment.getLocations().size() >= 2) {
       splitTracks.add(segment);
     }

MyTracks/src/com/google/android/apps/mytracks/io/SendToMyMaps.java

@@ -17,7 +17,6 @@ package com.google.android.apps.mytracks.io;
 
 import static com.google.android.apps.mytracks.Constants.TAG;
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.apps.mytracks.ProgressIndicator;
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
 import com.google.android.apps.mytracks.content.Track;
@@ -25,7 +24,7 @@ import com.google.android.apps.mytracks.content.Waypoint;
 import com.google.android.apps.mytracks.io.mymaps.MapsFacade;
 import com.google.android.apps.mytracks.stats.DoubleBuffer;
 import com.google.android.apps.mytracks.stats.TripStatistics;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.apps.mytracks.util.StringUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
 import com.google.android.maps.mytracks.R;
@@ -117,7 +116,7 @@ public class SendToMyMaps implements Runnable {
       boolean isNewMap = mapId.equals(NEW_MAP_ID);
       if (isNewMap) {
         SharedPreferences preferences = context.getSharedPreferences(
-            MyTracksSettings.SETTINGS_NAME, 0);
+            Constants.SETTINGS_NAME, 0);
         boolean mapPublic = true;
         if (preferences != null) {
           mapPublic = preferences.getBoolean(
@@ -196,7 +195,7 @@ public class SendToMyMaps implements Runnable {
   private boolean uploadAllTrackPoints(
       final Track track, String originalDescription) {
     SharedPreferences preferences = context.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
     boolean metricUnits = true;
     if (preferences != null) {
       metricUnits =
@@ -249,7 +248,7 @@ public class SendToMyMaps implements Runnable {
         }
   
         // Add to the elevation profile.
-        if (loc != null && MyTracksUtils.isValidLocation(loc)) {
+        if (loc != null && LocationUtils.isValidLocation(loc)) {
           // All points go into the smoothing buffer...
           elevationBuffer.setNext(metricUnits ? loc.getAltitude()
               : loc.getAltitude() * UnitConversions.M_TO_FT);
@@ -431,11 +430,11 @@ public class SendToMyMaps implements Runnable {
      * Decimate to 2 meter precision. Mapshop doesn't like too many
      * points:
      */
-    MyTracksUtils.decimate(segment, 2.0);
+    LocationUtils.decimate(segment, 2.0);
   
     /* It the track still has > 500 points, split it in pieces: */
     if (segment.getLocations().size() > 500) {
-      splitTracks.addAll(MyTracksUtils.split(segment, 500));
+      splitTracks.addAll(LocationUtils.split(segment, 500));
     } else if (segment.getLocations().size() >= 2) {
       splitTracks.add(segment);
     }

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

@@ -21,7 +21,7 @@ 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.TrackWriterFactory.TrackFileFormat;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.SystemUtils;
 
 import android.content.Context;
 import android.location.Location;
@@ -236,7 +236,7 @@ public class TcxTrackWriter implements TrackFormatWriter {
     // it.  The TCX schema tightly defined the Version tag, so we can't put it
     // there.  They've similarly constrained the PartNumber tag, so it can't go
     // there either.
-    pw.format("<Name>My Tracks %s by Google</Name>\n", MyTracksUtils.getMyTracksVersion(context));
+    pw.format("<Name>My Tracks %s by Google</Name>\n", SystemUtils.getMyTracksVersion(context));
 
     pw.println("<Build>");
 
@@ -246,11 +246,11 @@ public class TcxTrackWriter implements TrackFormatWriter {
     // signify that this build is newer than the one associated with the
     // version code given in VersionMajor.
     pw.println("<Version>");
-    pw.format("<VersionMajor>%d</VersionMajor>\n", MyTracksUtils.getMyTracksVersion(context));
+    pw.format("<VersionMajor>%d</VersionMajor>\n", SystemUtils.getMyTracksVersion(context));
-    pw.format("<VersionMinor>%d</VersionMinor>\n", MyTracksUtils.isRelease(context) ? 0 : 1);
+    pw.format("<VersionMinor>%d</VersionMinor>\n", SystemUtils.isRelease(context) ? 0 : 1);
     pw.println("</Version>");
 
-    pw.format("<Type>%s</Type>\n", MyTracksUtils.isRelease(context) ? TCX_TYPE_RELEASE
+    pw.format("<Type>%s</Type>\n", SystemUtils.isRelease(context) ? TCX_TYPE_RELEASE
         : TCX_TYPE_INTERNAL);
     pw.println("</Build>");
     pw.format("<LangID>%s</LangID>\n", Locale.getDefault().getLanguage());

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

@@ -22,7 +22,7 @@ import com.google.android.apps.mytracks.content.Track;
 import com.google.android.apps.mytracks.content.Waypoint;
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils.LocationIterator;
 import com.google.android.apps.mytracks.util.FileUtils;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.app.Activity;
@@ -302,7 +302,7 @@ public class TrackWriter {
       while (it.hasNext()) {
         Location loc = it.next();
   
-        boolean isValid = MyTracksUtils.isValidLocation(loc);
+        boolean isValid = LocationUtils.isValidLocation(loc);
         boolean validSegment = isValid && isLastValid;
         if (!wroteFirst && validSegment) {
           // Found the first two consecutive points which are valid

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

@@ -16,7 +16,6 @@
 package com.google.android.apps.mytracks.io.backup;
 
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.apps.mytracks.content.TrackPointsColumns;
 import com.google.android.apps.mytracks.content.TracksColumns;
 import com.google.android.apps.mytracks.content.WaypointsColumns;
@@ -201,7 +200,7 @@ class ExternalFileBackup {
 
       // Dump preferences
       SharedPreferences preferences =
-          context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+          context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
       preferencesHelper.exportPreferences(preferences, outWriter);
     } catch (IOException e) {
       // We tried to delete the partially created file, but do nothing
@@ -253,7 +252,7 @@ class ExternalFileBackup {
 
       // Restore preferences
       SharedPreferences preferences =
-          context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+          context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
       preferencesHelper.importPreferences(reader, preferences);
     } finally {
       compressedStream.close();

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

@@ -16,7 +16,6 @@
 package com.google.android.apps.mytracks.io.backup;
 
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 
 import android.app.backup.BackupAgent;
 import android.app.backup.BackupDataInput;
@@ -42,7 +41,7 @@ public class MyTracksBackupAgent extends BackupAgent {
       ParcelFileDescriptor newState) throws IOException {
     Log.i(Constants.TAG, "Performing backup");
     SharedPreferences preferences = this.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
 
     backupPreferences(data, preferences);
     Log.i(Constants.TAG, "Backup complete");
@@ -92,7 +91,7 @@ public class MyTracksBackupAgent extends BackupAgent {
     }
 
     SharedPreferences preferences = this.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
     PreferenceBackupHelper importer = createPreferenceBackupHelper();
     importer.importPreferences(dataBuffer, preferences);
   }

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

@@ -15,9 +15,9 @@
  */
 package com.google.android.apps.mytracks.io.sendtogoogle;
 
+import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.DialogManager;
 import com.google.android.apps.mytracks.MyTracks;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.maps.mytracks.R;
 
 import android.app.Dialog;
@@ -107,7 +107,7 @@ public class SendDialog extends Dialog {
         R.id.sendtogoogle_send_stats_and_points);
 
     SharedPreferences prefs =
-        getContext().getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        getContext().getSharedPreferences(Constants.SETTINGS_NAME, 0);
     if (prefs != null) {
       sendToMyMapsCheckBox.setChecked(
           prefs.getBoolean(
@@ -138,7 +138,7 @@ public class SendDialog extends Dialog {
   @Override
   protected void onStop() {
     SharedPreferences prefs =
-        getContext().getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        getContext().getSharedPreferences(Constants.SETTINGS_NAME, 0);
     if (prefs != null) {
       Editor editor = prefs.edit();
       if (editor != null) {

MyTracks/src/com/google/android/apps/mytracks/services/DefaultTrackNameFactory.java

@@ -15,7 +15,7 @@
  */
 package com.google.android.apps.mytracks.services;
 
-import com.google.android.apps.mytracks.MyTracksSettings;
+import com.google.android.apps.mytracks.Constants;
 import com.google.android.maps.mytracks.R;
 
 import android.content.Context;
@@ -58,7 +58,7 @@ class DefaultTrackNameFactory {
   /** Determines whether the preferences allow a timestamp-based track name */
   protected boolean useTimestampTrackName() {
     SharedPreferences prefs =
-        context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     return prefs.getBoolean(
         context.getString(R.string.timestamp_track_name_key), true);
   }

MyTracks/src/com/google/android/apps/mytracks/services/PreferenceManager.java

@@ -16,7 +16,6 @@
 package com.google.android.apps.mytracks.services;
 
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.maps.mytracks.R;
 
 import android.content.SharedPreferences;
@@ -45,7 +44,7 @@ public class PreferenceManager implements OnSharedPreferenceChangeListener {
   public PreferenceManager(TrackRecordingService service) {
     this.service = service;
     this.sharedPreferences = service.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
     if (sharedPreferences == null) {
       Log.w(Constants.TAG,
           "TrackRecordingService: Couldn't get shared preferences.");
@@ -97,7 +96,7 @@ public class PreferenceManager implements OnSharedPreferenceChangeListener {
       service.setMinRecordingDistance(
           sharedPreferences.getInt(
               minRecordingDistanceKey,
-              MyTracksSettings.DEFAULT_MIN_RECORDING_DISTANCE));
+              Constants.DEFAULT_MIN_RECORDING_DISTANCE));
       Log.d(Constants.TAG,
           "TrackRecordingService: minRecordingDistance = "
           + service.getMinRecordingDistance());
@@ -105,12 +104,12 @@ public class PreferenceManager implements OnSharedPreferenceChangeListener {
     if (key == null || key.equals(maxRecordingDistanceKey)) {
       service.setMaxRecordingDistance(sharedPreferences.getInt(
           maxRecordingDistanceKey,
-          MyTracksSettings.DEFAULT_MAX_RECORDING_DISTANCE));
+          Constants.DEFAULT_MAX_RECORDING_DISTANCE));
     }
     if (key == null || key.equals(minRecordingIntervalKey)) {
       int minRecordingInterval = sharedPreferences.getInt(
           minRecordingIntervalKey,
-          MyTracksSettings.DEFAULT_MIN_RECORDING_INTERVAL);
+          Constants.DEFAULT_MIN_RECORDING_INTERVAL);
       switch (minRecordingInterval) {
         case -2:
           // Battery Miser
@@ -136,7 +135,7 @@ public class PreferenceManager implements OnSharedPreferenceChangeListener {
     if (key == null || key.equals(minRequiredAccuracyKey)) {
       service.setMinRequiredAccuracy(sharedPreferences.getInt(
           minRequiredAccuracyKey,
-          MyTracksSettings.DEFAULT_MIN_REQUIRED_ACCURACY));
+          Constants.DEFAULT_MIN_REQUIRED_ACCURACY));
     }
     if (key == null || key.equals(announcementFrequencyKey)) {
       service.setAnnouncementFrequency(
@@ -145,7 +144,7 @@ public class PreferenceManager implements OnSharedPreferenceChangeListener {
     if (key == null || key.equals(autoResumeTrackTimeoutKey)) {
       service.setAutoResumeTrackTimeout(sharedPreferences.getInt(
           autoResumeTrackTimeoutKey,
-          MyTracksSettings.DEFAULT_AUTO_RESUME_TRACK_TIMEOUT));
+          Constants.DEFAULT_AUTO_RESUME_TRACK_TIMEOUT));
     }
     if (key == null || key.equals(recordingTrackKey)) {
       long recordingTrackId = sharedPreferences.getLong(recordingTrackKey, -1);

MyTracks/src/com/google/android/apps/mytracks/services/StatusAnnouncerTask.java

@@ -19,7 +19,6 @@ package com.google.android.apps.mytracks.services;
 import static com.google.android.apps.mytracks.Constants.TAG;
 
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.apps.mytracks.util.StringUtils;
 import com.google.android.apps.mytracks.util.UnitConversions;
@@ -176,7 +175,7 @@ public class StatusAnnouncerTask implements PeriodicTask {
   // @VisibleForTesting
   protected String getAnnouncement(TripStatistics stats) {
     SharedPreferences preferences =
-        context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     boolean metricUnits = true;
     boolean reportSpeed = true;
     if (preferences != null) {

MyTracks/src/com/google/android/apps/mytracks/services/TrackRecordingService.java

@@ -20,7 +20,6 @@ import static com.google.android.apps.mytracks.Constants.RESUME_TRACK_EXTRA_NAME
 
 import com.google.android.apps.mytracks.MyTracks;
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.apps.mytracks.content.MyTracksLocation;
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
 import com.google.android.apps.mytracks.content.Sensor;
@@ -36,7 +35,7 @@ import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.apps.mytracks.stats.TripStatisticsBuilder;
 import com.google.android.apps.mytracks.util.ApiFeatures;
 import com.google.android.apps.mytracks.util.ApiPlatformAdapter;
-import com.google.android.apps.mytracks.util.MyTracksUtils;
+import com.google.android.apps.mytracks.util.LocationUtils;
 import com.google.android.apps.mytracks.util.StringUtils;
 import com.google.android.maps.mytracks.R;
 
@@ -81,13 +80,13 @@ public class TrackRecordingService extends Service implements LocationListener {
   private WakeLock wakeLock;
 
   private int minRecordingDistance =
-      MyTracksSettings.DEFAULT_MIN_RECORDING_DISTANCE;
+      Constants.DEFAULT_MIN_RECORDING_DISTANCE;
   private int maxRecordingDistance =
-      MyTracksSettings.DEFAULT_MAX_RECORDING_DISTANCE;
+      Constants.DEFAULT_MAX_RECORDING_DISTANCE;
   private int minRequiredAccuracy =
-      MyTracksSettings.DEFAULT_MIN_REQUIRED_ACCURACY;
+      Constants.DEFAULT_MIN_REQUIRED_ACCURACY;
   private int autoResumeTrackTimeout =
-      MyTracksSettings.DEFAULT_AUTO_RESUME_TRACK_TIMEOUT; 
+      Constants.DEFAULT_AUTO_RESUME_TRACK_TIMEOUT; 
   
   private long recordingTrackId = -1;
 
@@ -215,7 +214,7 @@ public class TrackRecordingService extends Service implements LocationListener {
 
     // Keep track of length along recorded track (needed when a waypoint is
     // inserted):
-    if (MyTracksUtils.isValidLocation(location)) {
+    if (LocationUtils.isValidLocation(location)) {
       if (lastValidLocation != null) {
         length += location.distanceTo(lastValidLocation);
       }
@@ -453,7 +452,7 @@ public class TrackRecordingService extends Service implements LocationListener {
         if (cursor.moveToLast()) {
           do {
             Location location = providerUtils.createLocation(cursor);
-            if (MyTracksUtils.isValidLocation(location)) {
+            if (LocationUtils.isValidLocation(location)) {
               statsBuilder.addLocation(location, location.getTime());
               if (lastValidLocation != null) {
                 length += location.distanceTo(lastValidLocation);
@@ -629,7 +628,7 @@ public class TrackRecordingService extends Service implements LocationListener {
   }
 
   private void addLocationToStats(Location location) {
-    if (MyTracksUtils.isValidLocation(location)) {
+    if (LocationUtils.isValidLocation(location)) {
       long now = System.currentTimeMillis();
       statsBuilder.addLocation(location, now);
       waypointStatsBuilder.addLocation(location, now);
@@ -836,7 +835,7 @@ public class TrackRecordingService extends Service implements LocationListener {
 
     // Check if we haven't exceeded the maximum number of retry attempts.
     SharedPreferences sharedPreferences =
-        getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0); 
+        getSharedPreferences(Constants.SETTINGS_NAME, 0); 
     int retries = sharedPreferences.getInt(
         getString(R.string.auto_resume_track_current_retry_key), 0);
     Log.d(TAG,
@@ -1117,7 +1116,7 @@ public class TrackRecordingService extends Service implements LocationListener {
 
     // Reset the number of auto-resume retries.
     setAutoResumeTrackRetries(
-        getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0), 0);
+        getSharedPreferences(Constants.SETTINGS_NAME, 0), 0);
     // Persist the current recording track.
     prefManager.setRecordingTrack(recordingTrackId);
 

MyTracks/src/com/google/android/apps/mytracks/services/sensors/AntDirectSensorManager.java

@@ -16,7 +16,8 @@
 package com.google.android.apps.mytracks.services.sensors;
 
 import static com.google.android.apps.mytracks.Constants.TAG;
-import com.google.android.apps.mytracks.MyTracksSettings;
+
+import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.Sensor;
 import com.google.android.apps.mytracks.services.sensors.ant.AntChannelIdMessage;
 import com.google.android.apps.mytracks.services.sensors.ant.AntChannelResponseMessage;
@@ -58,7 +59,7 @@ public class AntDirectSensorManager extends AntSensorManager {
 
     // First read the the device id that we will be pairing with.
     SharedPreferences prefs = context.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
     if (prefs != null) {
       deviceNumberHRM =
         (short) prefs.getInt(context.getString(R.string.ant_heart_rate_sensor_id_key), 0);
@@ -133,7 +134,7 @@ public class AntDirectSensorManager extends AntSensorManager {
     Log.i(TAG, "Found device id: " + deviceNumberHRM);
 
     SharedPreferences prefs = context.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, Context.MODE_PRIVATE);
+        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
     SharedPreferences.Editor editor = prefs.edit();
     editor.putInt(context.getString(R.string.ant_heart_rate_sensor_id_key), deviceNumberHRM);
     editor.commit();

MyTracks/src/com/google/android/apps/mytracks/services/sensors/AntSRMSensorManager.java

@@ -16,7 +16,6 @@
 package com.google.android.apps.mytracks.services.sensors;
 
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.apps.mytracks.content.Sensor;
 import com.google.android.maps.mytracks.R;
 
@@ -71,7 +70,7 @@ public class AntSRMSensorManager extends AntSensorManager {
 
     // First read the the device id that we will be announcing.
     SharedPreferences prefs = context.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
     if (prefs != null) {
       deviceId = (byte) prefs.getInt(
           context.getString(R.string.ant_srm_bridge_sensor_id_key),
@@ -133,7 +132,7 @@ public class AntSRMSensorManager extends AntSensorManager {
     Log.i(Constants.TAG, "Found device id: " + deviceId);
 
     SharedPreferences prefs = context.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, Context.MODE_PRIVATE);
+        Constants.SETTINGS_NAME, Context.MODE_PRIVATE);
     SharedPreferences.Editor editor = prefs.edit();
     editor.putInt(context.getString(R.string.ant_srm_bridge_sensor_id_key), deviceId);
     editor.commit();

MyTracks/src/com/google/android/apps/mytracks/services/sensors/BluetoothSensorManager.java

@@ -16,7 +16,6 @@
 package com.google.android.apps.mytracks.services.sensors;
 
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.apps.mytracks.content.Sensor;
 import com.google.android.maps.mytracks.R;
 
@@ -82,7 +81,7 @@ public class BluetoothSensorManager extends SensorManager {
       return;
     }
     SharedPreferences prefs =
-        context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     String address =
       prefs.getString(context.getString(R.string.bluetooth_sensor_key), null);
     if (address == null) {

MyTracks/src/com/google/android/apps/mytracks/services/sensors/SensorManagerFactory.java

@@ -16,7 +16,6 @@
 package com.google.android.apps.mytracks.services.sensors;
 
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
 import com.google.android.maps.mytracks.R;
 
 import android.content.Context;
@@ -40,7 +39,7 @@ public class SensorManagerFactory {
    */
   public static SensorManager getSensorManager(Context context) {
     SharedPreferences prefs =
-        context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     if (prefs == null) {
       return null;
     }

MyTracks/src/com/google/android/apps/mytracks/stats/TripStatisticsBuilder.java

@@ -19,7 +19,7 @@ package com.google.android.apps.mytracks.stats;
 import static com.google.android.apps.mytracks.Constants.TAG;
 
 import com.google.android.apps.mytracks.Constants;
-import com.google.android.apps.mytracks.MyTracksSettings;
+import com.google.android.apps.mytracks.SettingsActivity;
 
 import android.location.Location;
 import android.util.Log;
@@ -93,7 +93,7 @@ public class TripStatisticsBuilder {
   private long totalLocations = 0;
 
   private int minRecordingDistance =
-      MyTracksSettings.DEFAULT_MIN_RECORDING_DISTANCE;
+      Constants.DEFAULT_MIN_RECORDING_DISTANCE;
 
   /**
    * Creates a new trip starting at the given time.

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

@@ -16,7 +16,7 @@
 
 package com.google.android.apps.mytracks.util;
 
-import com.google.android.apps.mytracks.MyTracksSettings;
+import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.Track;
 import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.android.maps.mytracks.R;
@@ -50,7 +50,7 @@ public class ChartURLGenerator {
   public static String getChartUrl(Vector<Double> distances,
       Vector<Double> elevations, Track track, Context context) {
     SharedPreferences preferences =
-        context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     boolean metricUnits = true;
     if (preferences != null) {
       metricUnits = preferences.getBoolean(

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

@@ -21,15 +21,7 @@ import com.google.android.apps.mytracks.stats.TripStatistics;
 
 import com.google.android.maps.GeoPoint;
 
-import android.app.Activity;
-import android.content.Context;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.PackageManager.NameNotFoundException;
-import android.content.pm.Signature;
 import android.location.Location;
-import android.os.PowerManager;
-import android.os.PowerManager.WakeLock;
 import android.util.Log;
 
 import java.util.ArrayList;
@@ -41,9 +33,7 @@ import java.util.Stack;
  * 
  * @author Leif Hendrik Wilden
  */
-public class MyTracksUtils {
+public class LocationUtils {
-  private static final int RELEASE_SIGNATURE_HASHCODE = -1855564782;
-
   /**
    * Computes the distance on the two sphere between the point c0 and the line
    * segment c1 to c2.
@@ -117,7 +107,7 @@ public class MyTracksUtils {
         current = stack.pop();
         maxDist = 0;
         for (idx = current[0] + 1; idx < current[1]; ++idx) {
-          dist = MyTracksUtils.distance(
+          dist = LocationUtils.distance(
               locations.get(idx),
               locations.get(current[0]),
               locations.get(current[1]));
@@ -255,80 +245,9 @@ public class MyTracksUtils {
                         (int) (location.getLongitude() * 1E6));
   }
 
-  /**
-   * Returns whether or not this is a release build.
-   */
-  public static boolean isRelease(Context context) {
-    try {
-      Signature [] sigs = context.getPackageManager().getPackageInfo(
-          context.getPackageName(), PackageManager.GET_SIGNATURES).signatures;
-      for (Signature sig : sigs) {
-        if (sig.hashCode() == RELEASE_SIGNATURE_HASHCODE) {
-          return true;
-        }
-      }
-    } catch (NameNotFoundException e) {
-      Log.e(Constants.TAG, "Unable to get signatures", e);
-    }
-    return false;
-  }
-
-  /**
-   * Get the My Tracks version from the manifest.
-   *
-   * @return the version, or an empty string in case of failure.
-   */
-  public static String getMyTracksVersion(Context context) {
-    try {
-      PackageInfo pi = context.getPackageManager().getPackageInfo(
-          "com.google.android.maps.mytracks",
-          PackageManager.GET_META_DATA);
-      return pi.versionName;
-    } catch (NameNotFoundException e)  {
-      Log.w(Constants.TAG, "Failed to get version info.", e);
-      return "";
-    }
-  }
-  
-  /**
-   * Tries to acquire a partial wake lock if not already acquired. Logs errors
-   * and gives up trying in case the wake lock cannot be acquired.
-   */
-  public static WakeLock acquireWakeLock(Activity activity, WakeLock wakeLock) {
-    Log.i(Constants.TAG, "MyTracksUtils: Acquiring wake lock.");
-    try {
-      PowerManager pm = (PowerManager) activity
-          .getSystemService(Context.POWER_SERVICE);
-      if (pm == null) {
-        Log.e(Constants.TAG, "MyTracksUtils: Power manager not found!");
-        return wakeLock;
-      }
-      if (wakeLock == null) {
-        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
-            Constants.TAG);
-        if (wakeLock == null) {
-          Log.e(Constants.TAG,
-              "MyTracksUtils: Could not create wake lock (null).");
-        }
-        return wakeLock;
-      }
-      if (!wakeLock.isHeld()) {
-        wakeLock.acquire();
-        if (!wakeLock.isHeld()) {
-          Log.e(Constants.TAG,
-              "MyTracksUtils: Could not acquire wake lock.");
-        }
-      }
-    } catch (RuntimeException e) {
-      Log.e(Constants.TAG,
-          "MyTracksUtils: Caught unexpected exception: " + e.getMessage(), e);
-    }
-    return wakeLock;
-  }
-
   /**
    * This is a utility class w/ only static members.
    */
-  protected MyTracksUtils() {
+  private LocationUtils() {
   }
 }

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

@@ -15,7 +15,7 @@
  */
 package com.google.android.apps.mytracks.util;
 
-import com.google.android.apps.mytracks.MyTracksSettings;
+import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.DescriptionGenerator;
 import com.google.android.apps.mytracks.content.Track;
 import com.google.android.apps.mytracks.content.Waypoint;
@@ -245,7 +245,7 @@ public class StringUtils implements DescriptionGenerator {
       Vector<Double> elevations) {
     boolean displaySpeed = true;
     SharedPreferences preferences =
-        context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
+        context.getSharedPreferences(Constants.SETTINGS_NAME, 0);
     if (preferences != null) {
       displaySpeed =
           preferences.getBoolean(context.getString(R.string.report_speed_key), true);

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

@@ -0,0 +1,111 @@
+/*
+ * 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.util;
+
+import com.google.android.apps.mytracks.Constants;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.Signature;
+import android.os.PowerManager;
+import android.os.PowerManager.WakeLock;
+import android.util.Log;
+
+/**
+ * Utility class for acessing basic Android functionality.
+ *
+ * @author Rodrigo Damazio
+ */
+public class SystemUtils {
+
+  private static final int RELEASE_SIGNATURE_HASHCODE = -1855564782;
+
+  /**
+   * Returns whether or not this is a release build.
+   */
+  public static boolean isRelease(Context context) {
+    try {
+      Signature [] sigs = context.getPackageManager().getPackageInfo(
+          context.getPackageName(), PackageManager.GET_SIGNATURES).signatures;
+      for (Signature sig : sigs) {
+        if (sig.hashCode() == RELEASE_SIGNATURE_HASHCODE) {
+          return true;
+        }
+      }
+    } catch (NameNotFoundException e) {
+      Log.e(Constants.TAG, "Unable to get signatures", e);
+    }
+    return false;
+  }
+
+  /**
+   * Get the My Tracks version from the manifest.
+   *
+   * @return the version, or an empty string in case of failure.
+   */
+  public static String getMyTracksVersion(Context context) {
+    try {
+      PackageInfo pi = context.getPackageManager().getPackageInfo(
+          "com.google.android.maps.mytracks",
+          PackageManager.GET_META_DATA);
+      return pi.versionName;
+    } catch (NameNotFoundException e)  {
+      Log.w(Constants.TAG, "Failed to get version info.", e);
+      return "";
+    }
+  }
+
+  /**
+   * Tries to acquire a partial wake lock if not already acquired. Logs errors
+   * and gives up trying in case the wake lock cannot be acquired.
+   */
+  public static WakeLock acquireWakeLock(Activity activity, WakeLock wakeLock) {
+    Log.i(Constants.TAG, "LocationUtils: Acquiring wake lock.");
+    try {
+      PowerManager pm = (PowerManager) activity
+          .getSystemService(Context.POWER_SERVICE);
+      if (pm == null) {
+        Log.e(Constants.TAG, "LocationUtils: Power manager not found!");
+        return wakeLock;
+      }
+      if (wakeLock == null) {
+        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
+            Constants.TAG);
+        if (wakeLock == null) {
+          Log.e(Constants.TAG,
+              "LocationUtils: Could not create wake lock (null).");
+        }
+        return wakeLock;
+      }
+      if (!wakeLock.isHeld()) {
+        wakeLock.acquire();
+        if (!wakeLock.isHeld()) {
+          Log.e(Constants.TAG,
+              "LocationUtils: Could not acquire wake lock.");
+        }
+      }
+    } catch (RuntimeException e) {
+      Log.e(Constants.TAG,
+          "LocationUtils: Caught unexpected exception: " + e.getMessage(), e);
+    }
+    return wakeLock;
+  }
+
+  private SystemUtils() {}
+}

MyTracksTest/src/com/google/android/apps/mytracks/MapOverlayTest.java

@@ -39,17 +39,17 @@ import java.util.List;
  * 
  * @author Bartlomiej Niechwiej
  */
-public class MyTracksOverlayTest extends AndroidTestCase {
+public class MapOverlayTest extends AndroidTestCase {
   private Canvas canvas;
   private MockMyTracksOverlay myTracksOverlay;
   private MapView mockView;
   private Projection mockProjection;
   
   /**
-   * A mock version of {@code MyTracksOverlay} that does not use
+   * A mock version of {@code MapOverlay} that does not use
    * {@class MapView}. 
    */
-  private class MockMyTracksOverlay extends MyTracksOverlay {
+  private class MockMyTracksOverlay extends MapOverlay {
     public MockMyTracksOverlay(Context context) {
       super(context);
     }

MyTracksTest/src/com/google/android/apps/mytracks/services/TrackRecordingServiceTest.java

@@ -17,7 +17,7 @@ package com.google.android.apps.mytracks.services;
 
 import static com.google.android.apps.mytracks.Constants.RESUME_TRACK_EXTRA_NAME;
 
-import com.google.android.apps.mytracks.MyTracksSettings;
+import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.MyTracksProvider;
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
 import com.google.android.apps.mytracks.content.Track;
@@ -152,7 +152,7 @@ public class TrackRecordingServiceTest
     providerUtils = MyTracksProviderUtils.Factory.get(context);
 
     sharedPreferences = context.getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
     // Let's use default values.
     sharedPreferences.edit().clear().commit();
 

MyTracksTest/src/com/google/android/apps/mytracks/services/sensors/AntDirectSensorManagerTest.java

@@ -16,7 +16,7 @@
 package com.google.android.apps.mytracks.services.sensors;
 
 import com.dsi.ant.AntMesg;
-import com.google.android.apps.mytracks.MyTracksSettings;
+import com.google.android.apps.mytracks.Constants;
 import com.google.android.apps.mytracks.content.Sensor;
 import com.google.android.maps.mytracks.R;
 
@@ -31,7 +31,7 @@ public class AntDirectSensorManagerTest extends AndroidTestCase {
 
   public void setUp() {
     sharedPreferences = getContext().getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
     // Let's use default values.
     sharedPreferences.edit().clear().commit();
     manager = new AntDirectSensorManager(getContext());

MyTracksTest/src/com/google/android/apps/mytracks/services/sensors/SensorManagerFactoryTest.java

@@ -1,6 +1,6 @@
 package com.google.android.apps.mytracks.services.sensors;
 
-import com.google.android.apps.mytracks.MyTracksSettings;
+import com.google.android.apps.mytracks.Constants;
 import com.google.android.maps.mytracks.R;
 
 import android.content.SharedPreferences;
@@ -16,7 +16,7 @@ public class SensorManagerFactoryTest extends AndroidTestCase {
     super.setUp();
     
     sharedPreferences = getContext().getSharedPreferences(
-        MyTracksSettings.SETTINGS_NAME, 0);
+        Constants.SETTINGS_NAME, 0);
     // Let's use default values.
     sharedPreferences.edit().clear().commit();
   }