WifiP2P.java

private void initialize(JSONObject data) throws JSONException {
        if (_active) {
            return;
        }

        _active = true;

        Activity activity = Modules.ACTIVITY;
        _intentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION);
        _intentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION);
        _intentFilter.addAction(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION);
        _intentFilter.addAction(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION);

        _manager = (WifiP2pManager) activity.getSystemService(Context.WIFI_P2P_SERVICE);
        _channel = _manager.initialize(activity, activity.getMainLooper(), null);

        _receiver = new WifiP2PReceiver(_manager, _channel, this);
        activity.registerReceiver(_receiver, _intentFilter);

        discoverPeers();
    }

    private void discoverPeers() {
        _manager.discoverPeers(_channel, new WifiP2pManager.ActionListener() {
            @Override
            public void onSuccess() {
                //Log.d("WifiP2P", "successfully looking for peers");
            }

            @Override
            public void onFailure(int reasonCode) {
                JSInterface.sendError("WifiP2P: There was an error trying to discover peers "+Integer.toString(reasonCode));
            }
        });
    }

    @Override
    public void onConnectionInfoAvailable(final WifiP2pInfo info) {
        Log.d("WifiP2P", "got some info about a connection");

        String IP = info.groupOwnerAddress.getHostAddress();

        if (info.groupFormed && info.isGroupOwner) {
            Log.d("WifiP2P", "am group owner");

            HOST = true;
            if (_server == null) {
                _server = new WifiP2PSocketServer(IP, this);
            }

        } else if (info.groupFormed) {
            Log.d("WifiP2P", "need to join the group " + IP);

            _client = new WifiP2PSocketClient(IP, this);

        }
    }