Problem with Service using AIDL?

Question

Here is my AIDL PlayerHandleService.aidl:

interface PlayerHandleService {
    void changeTextView();
}

The oncreate() on my Activity: Player_Activity:

@Override
protected void onCreate(Bundle savedInstanceState) {
    this.bindService(new Intent(this,PlayerService.class), mConnection, Context.BIND_AUTO_CREATE);
}

The mConnection:

private ServiceConnection mConnection = new ServiceConnection() {

    @Override
    public void onServiceDisconnected(ComponentName name) {
        // TODO Auto-generated method stub
        mpInterface=null;
    }

    @Override
    public void onServiceConnected(ComponentName name, IBinder service) {
        // TODO Auto-generated method stub
        mpInterface = PlayerHandleService.Stub.asInterface(service);
    }
};

Now, on my activity (Player_Activity) have an TextView and I want to use method changeTextView() in the AIDL to change the content of that TextView, how I can do that?

Answer 1

You don't. Your activity changes its own TextView.

If your service wants to tell the activity to do something, you can use some sort of custom listener, or a broadcast Intent, or a Messenger, or createPendingResult(), or probably other techniques as well.