【第三篇】学习 android 事件总线androidEventbus之发布事件，子线程中接收

发送和接收消息的方式类似其他的发送和接收消息的事件总线一样，不同的点或者应该注意的地方：

1，比如在子线程构造方法里面进行实现总线的注册操作；

2，要想子线程中接收消息的功能执行，必须启动线程。

3，添加tag和不添加tag类似其他。

 package com.example.mysimpleeventbus;

 import java.util.ArrayList;
 import java.util.List;

 import org.simple.eventbus.EventBus;
 import org.simple.eventbus.Subscriber;
 import org.simple.eventbus.ThreadMode;

 import android.content.Intent;
 import android.os.Bundle;
 import android.support.v7.app.ActionBarActivity;
 import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 import android.widget.Toast;

 public class MainActivity extends ActionBarActivity implements OnClickListener {

     private Button button;
     private Button ansyBtn;
     private Button ansy1Btn;
     private Button sendListBtn;
     private Button sendToThreadBtn;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         initView();
         // 1 首先注册事件总线
         EventBus.getDefault().register(this);
         MyThread myThread = new MyThread();
         myThread.start();
     }

     private void initView() {
         button = (Button) findViewById(R.id.button);
         ansyBtn = (Button) findViewById(R.id.ansyBtn);
         ansy1Btn = (Button) findViewById(R.id.ansy1Btn);
         sendListBtn = (Button) findViewById(R.id.sendListBtn);
         sendToThreadBtn = (Button) findViewById(R.id.sendToThreadBtn);

         button.setOnClickListener(this);
         ansyBtn.setOnClickListener(this);
         ansy1Btn.setOnClickListener(this);
         sendListBtn.setOnClickListener(this);
         sendToThreadBtn.setOnClickListener(this);
     }

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

     @Override
     public void onClick(View view) {
         switch (view.getId()) {
         case R.id.button:

             postSticky();

             break;

         case R.id.ansyBtn:

             postAnsy();

             break;
         case R.id.ansy1Btn:

             postAnsyInMainActivity();

             break;
         case R.id.sendListBtn:

             // postListDate();
             postListToOtherActivity();
             break;
         case R.id.sendToThreadBtn:

             postToThread();

             break;
         default:
             break;
         }
     }

     /**
 93      * 发送事件总线到线程里面去接收
 94      */
 95     private void postToThread() {
 96         EventBus.getDefault().post(new User("soyoungboy", "西安财经学院"),"thread");
 97     }

     class MyThread extends Thread{

         public MyThread() {
             EventBus.getDefault().register(this);
         }

         /**
106          * 接收其他线程发来的消息
107          * @param user
108          */
109         @Subscriber(tag = "thread")
110         private void receiveUser(User user) {
111             Log.i("thread --thread == ", user.toString());
112         }
         @Override
         public void run() {
             super.run();
         }
     }

     private void postListToOtherActivity() {
         List<User> users = new ArrayList<User>();
         User user;
         for (int i = 0; i < 10; i++) {
             user = new User("帅哥" + i, "清华大学");
             users.add(user);
         }

         EventBus.getDefault().postSticky(users);
         gotoOtherActivity();
     }

     /**
      * List数据的传递
      */
     private void postListDate() {
         List<User> users = new ArrayList<User>();
         User user;
         for (int i = 0; i < 10; i++) {
             user = new User("帅哥" + i, "清华大学");
             users.add(user);
         }

         EventBus.getDefault().post(users);
     }

     @Subscriber
     private void reveiveList(List<User> users) {
         for (int i = 0; i < users.size(); i++) {
             Toast.makeText(getApplicationContext(), users.get(i).toString(),
                     Toast.LENGTH_SHORT).show();
         }
     }

     /**
      * Ansy事件传递，多个Activity之间必须postSticky
      */
     private void postAnsy() {
         // 将目标函数执行在异步线程中
         EventBus.getDefault().postSticky(new User("soyoungboy", "西安财经学院"),
                 "ansy");
         gotoOtherActivity();
     }

     /**
      * 在本Activity中进行Ansy事件发布操作
      */
     private void postAnsyInMainActivity() {
         EventBus.getDefault().post(new User("soyoungboy", "西安财经学院"), "ansy");
     }

     /**
      * 在本Activity中进行Ansy事件接受操作
      *
      * @param user
      */
     @Subscriber(tag = "ansy", mode = ThreadMode.ASYNC)
     private void ansy(User user) {
         Log.i("user", user.toString());
         Log.i("ThreadName", Thread.currentThread().getName());
     }

     private void postSticky() {
         // 2 发送Sticky事件
         EventBus.getDefault().postSticky(new User("soyoungboy", "西安财经学院"),
                 "soyoungboy");

         gotoOtherActivity();
     }

     private void gotoOtherActivity() {
         // 跳转页面
         Intent intent = new Intent(MainActivity.this, OtherActivity.class);
         startActivity(intent);
     }
 }