onServiceConnected() not called

Question

I have a problem with using a background service.
I am using the service from 2 activities.

The first activity starts the Service with start

Answer 1

This is what worked for me

Instead of

public IBinder onBind(Intent intent) {
    return null;
}

I used

public IBinder onBind(Intent intent) {
    return mMessenger.getBinder();
}