EventBus简单使用

compile 'org.greenrobot:eventbus:3.0.0'

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

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

EventBus.getDefault().post("SecondActivity发起的通知");

@Subscribe
    public void onEventMainThread(String event) {
        mTextView.setText(event);
        Toast.makeText(this, event, Toast.LENGTH_SHORT).show();
    }

@Subscribe(threadMode = ThreadMode.MAIN)

1 ThreadMode: POSTING
2 ThreadMode: MAIN
3 ThreadMode: BACKGROUND
4 ThreadMode: ASYNC