传递消息--第三方开源--EventBus的简单使用

EventBus下载地址：https://github.com/greenrobot/EventBus

MyEvent:

 1 package com.zzw.testeventbus;
 2 
 3 public class MyEvent {
 4     public int id;
 5     public String content;
 6     
 7     public MyEvent() {
 8         super();
 9         
10     }
11 
12     @Override
13     public String toString() {
14         return "MyEvent [id=" + id + ", content=" + content + "]";
15     }
16     
17 }

MyEvent

MainActivity：

 1 package com.zzw.testeventbus;
 2 
 3 import android.app.Activity;
 4 import android.content.Intent;
 5 import android.graphics.Color;
 6 import android.os.Bundle;
 7 import android.util.Log;
 8 import android.view.View;
 9 import android.view.View.OnClickListener;
10 import android.widget.TextView;
11 import de.greenrobot.event.EventBus;
12 
13 public class MainActivity extends Activity {
14     TextView tv;
15     public static final String TAG = "MainActivity";
16 
17     @Override
18     protected void onCreate(Bundle savedInstanceState) {
19         super.onCreate(savedInstanceState);
20         setContentView(R.layout.activity_main);
21         tv = (TextView) findViewById(R.id.tv);
22 
23         EventBus.getDefault().register(this);
24 
25         findViewById(R.id.bt).setOnClickListener(new OnClickListener() {
26             @Override
27             public void onClick(View v) {
28                 Intent intent = new Intent(MainActivity.this, EventService.class);
29                 startService(intent);
30             }
31         });
32     }
33     // Main线程，这个与Android UI线程密切相关，可以在里面设置UI值，不要阻塞它！
34     public void onEventMainThread(MyEvent event) {
35         Log.d(TAG + "--" + "onEventMainThread", event.toString());
36         tv.setText(event.content);
37         int id = event.id % 3;
38         if (id == 0) {
39             tv.setTextColor(Color.RED);
40         } else if (id == 1) {
41             tv.setTextColor(Color.GREEN);
42         } else if (id == 2) {
43             tv.setTextColor(Color.BLUE);
44         }
45     }
46 
47     // 后台线程中接收处理
48     public void onEventBackgroundThread(MyEvent event) {
49         Log.e(TAG + "--" + "onEventBackgroundThread", event.toString());
50     }
51 
52     // 异步线程中接收处理
53     public void onEventAsync(MyEvent event) {
54         Log.i(TAG + "--" + "onEventAsync", event.toString());
55     }
56 
57     @Override
58     protected void onDestroy() {
59         EventBus.getDefault().unregister(this);
60     }
61 }

EventService:

 1 package com.zzw.testeventbus;
 2 
 3 import android.app.Service;
 4 import android.content.Intent;
 5 import android.os.IBinder;
 6 import android.os.SystemClock;
 7 import de.greenrobot.event.EventBus;
 8 
 9 public class EventService extends Service {
10 
11     @Override
12     public void onCreate() {
13 
14         super.onCreate();
15     }
16 
17     private void task() {
18         new Thread(new Runnable() {
19 
20             @Override
21             public void run() {
22                 for (int i = 1; i <= 100; i++) {
23                     MyEvent event = new MyEvent();
24                     event.id = i;
25                     event.content = "傻逼" + i;
26                     EventBus.getDefault().post(event);
27                     SystemClock.sleep(1000);
28                 }
29             }
30         }).start();
31     }
32 
33     @Override
34     public int onStartCommand(Intent intent, int flags, int startId) {
35         task();
36         return super.onStartCommand(intent, flags, startId);
37     }
38 
39     @Override
40     public void onDestroy() {
41         super.onDestroy();
42     }
43 
44     @Override
45     public IBinder onBind(Intent intent) {
46         return null;
47     }
48 
49 }