android service 学习

核心提示：首先要定义一个Receiver，并继承BroadcastReceiver，android service 学习(5)，然后在AndroidManifest.xml中进行注册：view sourceprint?12345Receiver的实现：MusicReceiver.javaview sourceprint?01/*

首先要定义一个Receiver，并继承BroadcastReceiver，然后在AndroidManifest.xml中进行注册：

view sourceprint?1

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Receiver的实现：

MusicReceiver.java

view sourceprint?01/**

02 * @author allin.dev

03 * http://allin.cnblogs.com/

04 *

05 */

06public class MusicReceiver extends BroadcastReceiver {

07

08 private static final String TAG = "MusicReceiver";

09 @Override

10 public void onReceive(Context context, Intent intent) {

11 Log.d(TAG, "onReceive");

12 Intent it = new Intent("org.allin.android.musicService");

13 Bundle bundle = intent.getExtras();

14 it.putExtras(bundle);

15

16 if(bundle != null){

17 int op = bundle.getInt("op");

18 if(op == 4){

19 context.stopService(it);

20 }else{

21 context.startService(it);

22 }

23 }

24

25 }

26

27}

然后对PlayMusic中的onclick方法进行些改造，把Intent指向Receiver

Intent intent = new Intent("org.allin.android.musicReceiver");

intent中绑定的操作码都不变，再调用sendBroadcast(intent);把intentg广播出去。

当MusicReceiver接受到广播后根据操作码进行相应的操作。

接下来的例子就是使用bindService来启动Service

首先一样是写一个Activity

view sourceprint?01public class PlayBindMusic extends Activity implements OnClickListener {

02

03 private static final String TAG = "PlayBindMusic";

04 private Button playBtn;

05 private Button stopBtn;

06 private Button pauseBtn;

07 private Button exitBtn;

08

09 private BindMusicService musicService;

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11 @Override