Using preferences' apply() instead of commit() on Gingerbread.

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

@@ -16,6 +16,7 @@
 
 package com.google.android.apps.mytracks;
 
+import com.google.android.apps.mytracks.util.ApiFeatures;
 import com.google.android.maps.mytracks.R;
 
 import android.app.Activity;
@@ -82,7 +83,8 @@ class CheckUnits {
   }
 
   private static void recordCheckPerformed(SharedPreferences preferences) {
-    preferences.edit().putBoolean(PREFERENCE_UNITS_CHECKED, true).commit();
+    ApiFeatures.getInstance().getApiPlatformAdapter().applyPreferenceChanges(
+        preferences.edit().putBoolean(PREFERENCE_UNITS_CHECKED, true));
   }
 
   private CheckUnits() {

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

@@ -15,6 +15,7 @@
  */
 package com.google.android.apps.mytracks;
 
+import com.google.android.apps.mytracks.util.ApiFeatures;
 import com.google.android.apps.mytracks.util.ResourceUtils;
 import com.google.android.maps.mytracks.R;
 
@@ -77,7 +78,8 @@ class Eula {
   }
 
   private static void accept(Activity activity, SharedPreferences preferences) {
-    preferences.edit().putBoolean(PREFERENCE_EULA_ACCEPTED, true).commit();
+    ApiFeatures.getInstance().getApiPlatformAdapter().applyPreferenceChanges(
+        preferences.edit().putBoolean(PREFERENCE_EULA_ACCEPTED, true));
     Intent startIntent = new Intent(activity, WelcomeActivity.class);
     activity.startActivityForResult(startIntent, MyTracksConstants.WELCOME);
   }

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

@@ -1064,10 +1064,10 @@ public class MyTracks extends TabActivity implements OnTouchListener,
    * @param trackId the id of the track
    */
   public void setSelectedTrackId(final long trackId) {
-    sharedPreferences
+    ApiFeatures.getInstance().getApiPlatformAdapter().applyPreferenceChanges(
-        .edit()
+        sharedPreferences
-        .putLong(getString(R.string.selected_track_key), trackId)
+            .edit()
-        .commit();
+            .putLong(getString(R.string.selected_track_key), trackId));
   }
 
   long getSelectedTrackId() {

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

@@ -16,6 +16,7 @@
 package com.google.android.apps.mytracks;
 
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
+import com.google.android.apps.mytracks.util.ApiFeatures;
 import com.google.android.maps.mytracks.R;
 
 import android.app.AlertDialog;
@@ -63,7 +64,7 @@ public class MyTracksDeleteAllTracks extends Handler {
                 context.getSharedPreferences(MyTracksSettings.SETTINGS_NAME, 0);
             SharedPreferences.Editor editor = prefs.edit();
             editor.putLong(context.getString(R.string.selected_track_key), -1);
-            editor.commit();
+            ApiFeatures.getInstance().getApiPlatformAdapter().applyPreferenceChanges(editor);
             if (done != null) {
               Handler h = new Handler();
               h.post(done);

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

@@ -18,6 +18,7 @@ package com.google.android.apps.mytracks.util;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.Service;
+import android.content.SharedPreferences;
 import android.os.HandlerThread;
 
 /**
@@ -58,6 +59,12 @@ public interface ApiPlatformAdapter {
    */
   boolean stopHandlerThread(HandlerThread handlerThread);
 
+  /**
+   * Applies all changes done to the given preferences editor.
+   * Changes may or may not be applied immediately.
+   */
+  void applyPreferenceChanges(SharedPreferences.Editor editor);
+  
   /**
    * Enables strict mode where supported, only if this is a development build.
    */

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

@@ -18,6 +18,7 @@ package com.google.android.apps.mytracks.util;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.Service;
+import android.content.SharedPreferences.Editor;
 import android.os.HandlerThread;
 
 /**
@@ -51,6 +52,11 @@ public class CupcakePlatformAdapter implements ApiPlatformAdapter {
     return false;
   }
 
+  @Override
+  public void applyPreferenceChanges(Editor editor) {
+    editor.commit();
+  }
+
   @Override
   public void enableStrictMode() {
     // Not supported

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

@@ -18,6 +18,7 @@ package com.google.android.apps.mytracks.util;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.Service;
+import android.content.SharedPreferences.Editor;
 import android.os.HandlerThread;
 
 /**
@@ -46,6 +47,11 @@ public class EclairPlatformAdapter implements ApiPlatformAdapter {
     return handlerThread.quit();
   }
 
+  @Override
+  public void applyPreferenceChanges(Editor editor) {
+    editor.commit();
+  }
+
   @Override
   public void enableStrictMode() {
     // Not supported

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

@@ -2,6 +2,7 @@ package com.google.android.apps.mytracks.util;
 
 import com.google.android.apps.mytracks.MyTracksConstants;
 
+import android.content.SharedPreferences.Editor;
 import android.os.StrictMode;
 import android.util.Log;
 
@@ -12,6 +13,12 @@ import android.util.Log;
  * @author Rodrigo Damazio
  */
 public class GingerbreadPlatformAdapter extends EclairPlatformAdapter {
+  @Override
+  public void applyPreferenceChanges(Editor editor) {
+    // Apply asynchronously
+    editor.apply();
+  }
+
   @Override
   public void enableStrictMode() {
     Log.d(MyTracksConstants.TAG, "Enabling strict mode");