@Override
 public void onResume() {
   super.onResume();
   if (listAdapter != null) {
     listAdapter.notifyDataSetChanged();
   }
 }
 @Override
 public void onFragmentDestroy() {
   try {
     if (receiverRegistered) {
       ApplicationLoader.applicationContext.unregisterReceiver(receiver);
     }
   } catch (Exception e) {
     FileLog.e("tmessages", e);
   }
   super.onFragmentDestroy();
 }