@Override
 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
   super.onCreateContextMenu(menu, v, menuInfo);
   toBeProcessUser =
       (EaseUser) listView.getItemAtPosition(((AdapterContextMenuInfo) menuInfo).position);
   toBeProcessUsername = toBeProcessUser.getUsername();
   getActivity()
       .getMenuInflater()
       .inflate(com.xuhai.telescopes.R.menu.em_context_contact_list, menu);
 }