如何在特定时间发送Firebase通知？ [英] How to send the Firebase notification on particular time?

问题描述

我试图安排特定时间，并希望使用Firebase发送通知。我正在进行项目，在比赛开始前我必须发送通知。目前我的通知正在实时工作，但我找不到任何方法来安排它的具体时间。

对于实时我使用这个特定的代码。

  // Class扩展服务，因为它是一个后台运行的服务
 public class NotificationFirebaseListener extends FirebaseMessagingService {
 
 private static final String TAG =MyFirebaseMsgService; 
 
字符串测试; 
 
 $ b @Override 
 public void onMessageReceived（RemoteMessage remoteMessage）{
 
 Log.e（TAG，From：+ remoteMessage.getFrom（） ）; 
 Log.e（TAG，Notification Message Body：+ remoteMessage.getNotification（）。getBody（）+=====>）; （remoteMessage.getData（）。size（）> 0）{
 Log.e（TAG，Message data payload：+ remoteMessage.getData（））; 
 
。 
 test = String.valueOf（remoteMessage.getData（））; 
 
} 
 
 
 sendNotification（test）; 
 
 
 
 
 private void sendNotification（String messageBody）{
 Intent intent = new Intent（this，MainActivity.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.mipmap.ic_launcher）
 .setContentTitle（Bus Tracking）
 .setContentText（messageBody） 
 .setAutoCancel（true）
 .setSound（defaultSoundUri）
 .setContentIntent（pendingIntent）; 
 
 NotificationManager notificationManager = 
（NotificationManager）getSystemService（Context.NOTIFICATION_SERVICE）; 
 
 notificationManager.notify（0，notificationBuilder.build（））; 
 
 
 
 
 $ b 
解决方案实现此目的的最佳方式是使用Firebase通知撰写程序为您的应用程序安排通知： https://firebase.google.com/docs/notifications/  
 
 
 
如果您想通过另一种方式实现这些代码，我建议您使用ScheduledThreadPool来安排您的通知。您可以在oracle文档中阅读更多关于此的信息： https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/ScheduledThreadPoolExecutor.html  
 
 
 
祝您好运！ / p> 
I am trying to schedule particular time and want to send notification using Firebase. I am working on the project where I have to send the notification before the match start. Currently my notification is working on real time but I can't found any way to schedule it for the specific time.

For the real time I am using this particular code.
 //Class extending service as it is a service that will run in background
public class NotificationFirebaseListener extends FirebaseMessagingService {

private static final String TAG = "MyFirebaseMsgService";

String test;


@Override
public void onMessageReceived(RemoteMessage remoteMessage) {

    Log.e(TAG, "From: " + remoteMessage.getFrom());
    Log.e(TAG, "Notification Message Body: " + remoteMessage.getNotification().getBody() + "=====>");

    if (remoteMessage.getData().size() > 0) {
        Log.e(TAG, "Message data payload: " + remoteMessage.getData());
        test = String.valueOf(remoteMessage.getData());

    }


    sendNotification(test);


    }


private void sendNotification(String messageBody) {
    Intent intent = new Intent(this, MainActivity.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.mipmap.ic_launcher)
            .setContentTitle("Bus Tracking")
            .setContentText(messageBody)
            .setAutoCancel(true)
            .setSound(defaultSoundUri)
            .setContentIntent(pendingIntent);

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

    notificationManager.notify(0, notificationBuilder.build());
    }


   }

解决方案
The best way to achieve this is use the Firebase Notification composer to schedule your notifications for your app: https://firebase.google.com/docs/notifications/

If you want another way to achieve these via code, I suggest you to schedule your notification using a ScheduledThreadPool. You can read more about this in the oracle documentation: https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/ScheduledThreadPoolExecutor.html

Good luck!

                        
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