Starting the settings activity with same animation as wallpaper (and widgets tray)

Change-Id: I7744d50c9762200eb2ffea37d8435c9bc221c526

src/com/android/launcher3/Launcher.java

@@ -2784,8 +2784,10 @@ public class Launcher extends Activity
      */
     public void onClickSettingsButton(View v) {
         if (LOGD) Log.d(TAG, "onClickSettingsButton");
-        startActivity(new Intent(Utilities.ACTION_APPLICATION_PREFERENCES)
-                .setPackage(getPackageName()));
+        Intent intent = new Intent(Intent.ACTION_APPLICATION_PREFERENCES)
+                .setPackage(getPackageName());
+        intent.setSourceBounds(getViewBounds(v));
+        startActivity(intent, getActivityLaunchOptions(v));
     }
 
     public View.OnTouchListener getHapticFeedbackTouchListener() {

src/com/android/launcher3/Utilities.java

@@ -183,10 +183,6 @@ public final class Utilities {
         }
     }
 
-    // TODO: Use Intent.ACTION_APPLICATION_PREFERENCES when N SDK is available.
-    public static final String ACTION_APPLICATION_PREFERENCES
-            = "android.intent.action.APPLICATION_PREFERENCES";
-
     public static Bitmap createIconBitmap(Cursor c, int iconIndex, Context context) {
         byte[] data = c.getBlob(iconIndex);
         try {