In MyTracks onDestroy, set trackDataHub to null to save memory

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

@@ -249,7 +249,7 @@ public class MyTracks extends TabActivity implements OnTouchListener {
   protected void onDestroy() {
     Log.d(TAG, "MyTracks.onDestroy");
     serviceConnection.unbind();
-
+    ((MyTracksApplication) getApplication()).clearTrackDataHub();
     super.onDestroy();
   }
 

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

@@ -26,9 +26,7 @@ public class MyTracksApplication extends Application {
     return trackDataHub;
   }
   
-  @Override
+  public void clearTrackDataHub() {
-  public void onTerminate() {
     trackDataHub = null;
-    super.onTerminate();
+  }
-  }  
 }