@Override
 public void onLoadMoreContents(@IndicatorPosition int position) {
   // Only supports load from end, skip START flag
   if ((position & IndicatorPosition.START) != 0) return;
   super.onLoadMoreContents(position);
   if (position == 0) return;
   final Bundle loaderArgs = new Bundle(getArguments());
   loaderArgs.putBoolean(EXTRA_FROM_USER, true);
   loaderArgs.putInt(EXTRA_PAGE, mPage + 1);
   getLoaderManager().restartLoader(0, loaderArgs, this);
 }