- add TabManager (based on the Fragment Tabs example in

API 4+ Support Demos)
- move to MapFragment, ChartFragment, and StatsFragment
- use android-support-v4-r7-googlemaps.jar to support a map view
  in a fragment.

MyTracks/res/values/strings.xml

@@ -2303,6 +2303,10 @@ limitations under the License.
   </string>
 
   <!-- Track -->
+  <string name="track_detail_chart_tab"
+    translation_description="In the track detail page, the title of the tab showing the chart.">
+    Chart
+  </string>
   <string name="track_detail_delete_confirm_message"
     translation_description="When deleting a track, the confirmation message informing the user that
       the track and its markers will be permanently deleted from the phone.">
@@ -2314,6 +2318,14 @@ limitations under the License.
       Android Market.">
     You need Google Earth to play the track. Do you want to install from the Market?
   </string>
+  <string name="track_detail_map_tab"
+    translation_description="In the track detail page, the title of the tab showing the map.">
+    Map
+  </string>
+  <string name="track_detail_stats_tab"
+    translation_description="In the track detail page, the title of the tab showing the stats.">
+    Stats
+  </string> 
   <string name="track_icon_description"
     translation_description="The accessibility description for the track icon.">
     Track