EventBus

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    EventBus.getDefault().register(this);
}

@Override
protected void onDestroy() {
    super.onDestroy();
    EventBus.getDefault().unregister(this);
}

public class MessageEvent {
    public String name;
    public String password;

    public MessageEvent(String name, String password) {
        this.name = name;
        this.password = password;
    }
}

@Subscribe(threadMode = ThreadMode.MAIN)
public void messageEventBus(MessageEvent event){
	tv_result.setText("name:"+event.name+" passwrod:"+event.password);
}

public class StickyEvent {
    public String msg;

    public StickyEvent(String msg) {
        this.msg = msg;
    }
}

//注意,和之前的方法一样,只是多了一个 sticky = true 的属性.
@Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
public void onEvent(StickyEvent event){
	tv_c_result.setText(event.msg);
}

 // 接收粘性事件数据按钮的点击事件处理
bt_eventbus_send_sticky.setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View v) {
		if(isFirstFlag) {
			isFirstFlag = false;
			// 4 注册
			EventBus.getDefault().register(EventBusSendActivity.this);
		}
	}
});

EventBus.getDefault().removeAllStickyEvents();
EventBus.getDefault().unregister(CActivity.class);