@Override
 public void onClick(View v) {
   switch (v.getId()) {
     case R.id.logged_btn_logout:
       MyUser.setIsLoggedIn(false);
       ChangeFragment(R.id.content_frame, new UserFragment(), false);
       break;
     case R.id.logged_btn_consume_history:
       String query = "username="******"/consumehistory?" + query;
       new SubmitAsyncTask().execute(url);
       break;
   }
 }
  @Override
  public View onCreateView(
      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_user_logged, container, false);

    txtUsername = (TextView) view.findViewById(R.id.logged_txt_username);
    txtUsername.setText(MyUser.getUsername());

    btnLogout = (Button) view.findViewById(R.id.logged_btn_logout);
    btnHistory = (Button) view.findViewById(R.id.logged_btn_consume_history);

    btnLogout.setOnClickListener(this);
    btnHistory.setOnClickListener(this);
    return view;
  }