@Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (resultCode == RESULT_OK) {
      try {
        ChatActivity.activityInstance.finish();
      } catch (Exception e) {
      }
      Intent intent = new Intent(this, ChatActivity.class);
      if (selectUser == null) return;
      // it is single chat
      intent.putExtra("userId", selectUser.getUsername());
      intent.putExtra("forward_msg_id", forward_msg_id);
      startActivity(intent);
      finish();
    }

    super.onActivityResult(requestCode, resultCode, data);
  }
 @Override
 protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   forward_msg_id = getIntent().getStringExtra("forward_msg_id");
 }