FCM背景通知问题android

Question

我在我的android项目中使用FCM，并且在应用运行时工作正常。但是当应用程序被杀或关闭onReceiveMessage没有被调用。我曾尝试通过仅使用数据播放器发送消息，但它仍然无法正常工作。有没有任何解决方案。在此先感谢

Answer 1

试试这个代码它会解决您的问题。在MainActivity通过getIntent()MyFirebaseMessagingService.java

public class MyFirebaseMessagingService extends FirebaseMessagingService { 

    private static final String TAG = "MyFirebaseMsgService"; 

/** 
* Called when message is received. 
* 
* @param remoteMessage Object representing the message received from Firebase Cloud Messaging. 
*/ 
// [START receive_message] 
@Override 
public void onMessageReceived(RemoteMessage remoteMessage) { 
    // If the application is in the foreground handle both data and notification messages here. 
    // Also if you intend on generating your own notifications as a result of a received FCM 
    // message, here is where that should be initiated. See sendNotification method below. 

    Log.d(TAG, "From: " + remoteMessage.getFrom()); 
    Log.d(TAG, "Notification Message Title: " + remoteMessage.getNotification().getTitle()); 
    Log.d(TAG, "Notification Message Body: " + remoteMessage.getNotification().getBody()); 
    sendNotification("", ""); 
} 
// [END receive_message] 

/** 
* Create and show a simple notification containing the received FCM message. 
* 
* @param messageBody FCM message body received. 
*/ 
private void sendNotification(String xyz, String abc) { 
    Intent intent = new Intent(this, MainActivity.class); 
    Bundle b = new Bundle(); 


     b.putString("key", xyz); 
     b.putString("key", abc); 

    intent.putExtras(b); 

    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); 
    PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, intent, 
      PendingIntent.FLAG_ONE_SHOT); 

    Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); 
    NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this) 
      .setContentTitle("title") 
      .setContentText("body") 
      .setAutoCancel(true) 
      .setSound(defaultSoundUri) 
      .setContentIntent(pendingIntent); 

    boolean useSilhouette = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP; 
    if (useSilhouette) { 
     try { 
      notificationBuilder.setSmallIcon(R.mipmap.ic_sillate); 
     } catch (Exception e) { 
      notificationBuilder.setSmallIcon(R.mipmap.ic_sillate); 
     } 
    } else { 
     notificationBuilder.setSmallIcon(R.mipmap.ic_launcher); 
    } 

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


    //Random id number for notification 
    Random random = new Random(); 
    int m = random.nextInt(9999 - 1000) + 1000; 

    notificationManager.notify(m/* ID of notification */,   notificationBuilder.build()); 
    } 
    } 

获取值，做你想做的事;）