Android:開機自啟動並接收推送訊息
首先是開機自啟動的功能實現,代碼如下:1. AndroidManifest.xml中添加如下代碼: 複製代碼 1 <!-- 抓取系統啟動事件 --> 2 <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" /> 3 4 <application> 5 ….. 6 <service 7 android:name="com.demo.notification.NotificationService" 8 android:icon="@drawable/icon" 9 android:label="@string/app_name" >10 </service>11 12 <receiver android:name="com.demo.notification.MyScheduleReceiver" >13 <intent-filter>14 <action android:name="android.intent.action.BOOT_COMPLETED" />15 </intent-filter>16 </receiver>17 </application>複製代碼2. 接著是實現MyScheduleReceiver代碼,這是當Android啟動後會自動啟動的程式。 複製代碼1 public class MyScheduleReceiver extends BroadcastReceiver {2 3 @Override4 public void onReceive(Context context, Intent intent) {5 6 Intent service = new Intent(context, NotificationService.class);7 context.startService(service);8 }9 }複製代碼 3. 實現NotificationService代碼,用來接收推送訊息 複製代碼 1 public class NotificationService extends Service { 2 private final IBinder mBinder = new MyBinder(); 3 4 @Override 5 public int onStartCommand(Intent intent, int flags, int startId) { 6 // 將接收推送訊息任務放入後台執行 7 new ZeroMQMessageTask().execute(); 8 9 return Service.START_STICKY;10 }11 12 @Override13 public IBinder onBind(Intent arg0) {14 return mBinder;15 }16 17 public class MyBinder extends Binder {18 public NotificationService getService() {19 return NotificationService.this;20 }21 }22 23 private class ZeroMQMessageTask extends AsyncTask<String, Void, String> {24 25 public ZeroMQMessageTask() {26 }27 28 @Override29 protected String doInBackground(String... params) {30 31 ZMQ.Context context = ZMQ.context(1);32 ZMQ.Socket subscriber = context.socket(ZMQ.SUB);33 subscriber.subscribe(ZMQ.SUBSCRIPTION_ALL);34 subscriber.connect("tcp://x.x.x.x:xxxx");35 while (true) { // 通過不終止的迴圈來保證接收訊息36 message = subscriber.recvStr();37 if (!message.equals("0")) { // 0是由我自己定義的空訊息標識,可以替換成自訂的其它標識38 39 // 顯示推送訊息40 String ns = Context.NOTIFICATION_SERVICE;41 NotificationManager mNotificationManager = (NotificationManager) getSystemService(ns);42 43 int icon = R.drawable.icon;44 CharSequence tickerText = "Demo - " + message;45 long when = System.currentTimeMillis();46 47 Notification notification = new Notification(icon,48 tickerText, when);49 notification.flags |= Notification.FLAG_AUTO_CANCEL;50 Context uiContext = getApplicationContext();51 CharSequence contentTitle = "Demo";52 CharSequence contentText = message;53 Intent notificationIntent = new Intent(uiContext,54 NotificationService.class);55 PendingIntent contentIntent = PendingIntent56 .getActivity(uiContext, 0, notificationIntent, 0);57 58 notification.setLatestEventInfo(uiContext, contentTitle,59 contentText, contentIntent);60 61 mNotificationManager.notify(1, notification);62 }63 }64 }65 66 @Override67 protected void onPostExecute(String result) {68 }69 }70 }