private static final int AUTO_REFRESH_INTERVAL_MS = 15000;

    private Netplay netplay;

    private RoomlistAdapter adapter;

    private CountDownTimer autoRefreshTimer = new CountDownTimer(Long.MAX_VALUE, AUTO_REFRESH_INTERVAL_MS) {

        @Override

        public void onTick(long millisUntilFinished) {

            netplay.sendRoomlistRequest();

        }

        @Override

        public void onFinish() { }

    };

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        netplay = Netplay.getAppInstance(getActivity().getApplicationContext());

        adapter = new RoomlistAdapter(getActivity());

        adapter.setSource(netplay.roomList);

        setListAdapter(adapter);

    }

    @Override

    public View onCreateView(LayoutInflater inflater, ViewGroup container,

            Bundle savedInstanceState) {

        return inflater.inflate(R.layout.fragment_roomlist, container, false);

    }

    @Override

    public void onActivityCreated(Bundle savedInstanceState) {

        super.onActivityCreated(savedInstanceState);

        getListView().setOnItemClickListener(this);

    }

    @Override

    public void onResume() {

        super.onResume();

        autoRefreshTimer.start();

    }

    @Override

    public void onPause() {

        super.onPause();

        autoRefreshTimer.cancel();

    }

    @Override

    public void onDestroy() {

        super.onDestroy();

        adapter.invalidate();

    }

    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

        netplay.sendJoinRoom(adapter.getItem(position).room.name);

    }