@OptionsItem(R.id.action_settings)
 protected void openSettings() {
   MainSettingsActivity_.intent(getActivity()).start();
 }
 @TargetApi(Build.VERSION_CODES.HONEYCOMB)
 @OptionsItem(android.R.id.home)
 protected void navigateUp() {
   MainSettingsActivity_.intent(this).flags(Intent.FLAG_ACTIVITY_CLEAR_TOP).start();
 }