@Override
 protected void onPostExecute(Boolean aBoolean) {
   super.onPostExecute(aBoolean);
   if (aBoolean) {
     ((CommentListAdapter) timeLineAdapter).removeItem(positon);
   }
 }
 @Override
 protected void onCancelled(Boolean aBoolean) {
   super.onCancelled(aBoolean);
   if (Utility.isAllNotNull(getActivity(), this.e)) {
     Toast.makeText(getActivity(), e.getError(), Toast.LENGTH_SHORT).show();
   }
 }