QGC can be connected via TCP, but the dronekit-android connection is not successful. #1889

The QGC client can be successfully connected with the TCP connection device, but it is not successful for the dronekit-android phone to run on the phone. Is there any difference? Thank you very much!

`
@OverRide
protected void initData() {
final Context context = getApplicationContext();
this.controlTower = new ControlTower(context);
this.drone = new Drone(context);
mainHandler = new Handler(getApplicationContext().getMainLooper());

}

@OverRide
public void onStart() {
super.onStart();
this.controlTower.connect(this);
}

@OverRide
public void onStop() {
super.onStop();
if (this.drone.isConnected()) {
this.drone.disconnect();
}

this.controlTower.unregisterDrone(this.drone);
this.controlTower.disconnect();

}

@OverRide
protected void onDestroy() {
super.onDestroy();
}

//TowerSTART******
@OverRide
public void onTowerConnected() {//DroneKit-Android Connected
this.controlTower.registerDrone(this.drone, this.handler);
this.drone.registerDroneListener(this);

//开始连接目标设备
startConnect();

}

@OverRide
public void onTowerDisconnected() {//DroneKit-Android Interrupted
}
`

`
public void startConnect() {
if (this.drone.isConnected()) {
this.drone.disconnect();
}
ConnectionParameter connectionParams = ConnectionParameter.newTcpConnection("192.168.17.254",8081, null, 0L);

this.drone.connect(connectionParams,this);

}
`