Which Activity lifecycle methods are best to register/unregister to event bus?

Question

What is the best place to register and unregister to an event bus (like otto, EventBus, or tinybus) in an Activity and why?

1. onCre

Answer 1

Form EventBus Documentation that I found and it's works fine for me:

@Override
 public void onStart() {
     super.onStart();
     EventBus.getDefault().register(this);
 }

 @Override
 public void onStop() {
     super.onStop();
     EventBus.getDefault().unregister(this);
 }

And if you need to send the EventBus reference to the child then:

private EventBus eventBus = EventBus.getDefault();
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        .......
}

@Override
public void onStart() {
    super.onStart();
    if(!eventBus.isRegistered(this)){
        eventBus.register(this);
    }else{
        Log.e(TAG, "EventBus is registered");
    }
}

@Override
public void onStop() {
    super.onStop();
    if(eventBus.isRegistered(this)){
       eventBus.unregister(this);
    }else{
       Log.e(TAG, "EventBus is not registered");
    }
}