未在後臺收到Firebase通知或關閉應用程序

該應用程序在關閉或後臺未收到通知。下面是處理通知的我的服務類。只有當唯一的應用程序正在運行時，通知纔有效。未在後臺收到Firebase通知或關閉應用程序

public class MyFirebaseMessagingService extends FirebaseMessagingService { 

    private static final String TAG = "MyFMService"; 
    Random random = new Random(); 
    int NOTIFICATION_ID = random.nextInt(9999 - 1000) + 1000; 

    @Override 
    public void onMessageReceived(RemoteMessage remoteMessage) { 
     sendNotification(); 


    } 

    private void sendNotification() { 
     Intent intent = new Intent(this, NotificationDisplay.class); 
     intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); 
     PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, 
       PendingIntent.FLAG_ONE_SHOT); 

     Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); 
     NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this) 
       .setSmallIcon(R.drawable.ic_bouddha_icon) 
       .setContentTitle("Bouddha Meridian School") 
       .setAutoCancel(true) 
       .setSound(defaultSoundUri) 
       .setContentIntent(pendingIntent); 

     NotificationManager notificationManager = 
       (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); 

     notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build()); 
    } 
}

來源

2017-05-01 kenji

如何發送通知控制檯或服務器？ –

你下載了google-service.json並放在應用程序文件夾中嗎？遵循參考下面這個例子：http://www.androidhive.info/2012/10/android-push-notifications-using-google-cloud-messaging-gcm-php-and-mysql/

來源

2017-05-01 08:23:51

當應用程序是在messagerecieve類背景不會伊特所以你必須在做有效載荷發送有效載荷similer這個時間從服務器到喊得。

{ 
    "to" : "zzzzz", 
    "notification": { 
    "body": "", 
    "title": "", 
    "icon": "" 
}, 
"data" : { 
"name" : "" 

} 
    }

來源

2017-05-01 11:34:39

未在後臺收到Firebase通知或關閉應用程序

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