使用FCM的Android通知

问题描述：

当应用程序被终止数据时，通知中的数据有问题，从意图发送的数据将为null，否则，当应用程序运行时，我可以看到数据.

I'm having an issue with data from the notification when the app is killed data the data which is sent from intent is getting null else if when the app is running I'm able to see the data.

    Intent intent = new Intent(getApplicationContext(), SplashActivity.class);
//you can use your launcher Activity insted of SplashActivity, But if the Activity you used here is not launcher Activty than its not work when App is in background.
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
//Add Any key-value to pass extras to intent
        intent.putExtra("pushnotification", "yes");
        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_ONE_SHOT);

        Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
        NotificationManager mNotifyManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
//For Android Version Orio and greater than orio.
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
            int importance = NotificationManager.IMPORTANCE_LOW;
            NotificationChannel mChannel = new NotificationChannel("Sesame", "Sesame", importance);
            mChannel.setDescription(messageBody);
            mChannel.enableLights(true);
            mChannel.setLightColor(Color.RED);
            mChannel.enableVibration(true);
            mChannel.setVibrationPattern(new long[]{100, 200, 300, 400, 500, 400, 300, 200, 400});

            mNotifyManager.createNotificationChannel(mChannel);
        }
//For Android Version lower than oreo.
        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this, "Seasame");
        mBuilder.setContentTitle(title)
                .setContentText(messageBody)
                .setSmallIcon(R.mipmap.ic_custom_notification)
                .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher))
                .setAutoCancel(true)
                .setSound(defaultSoundUri)
                .setColor(Color.parseColor("#FFD600"))
                .setContentIntent(pendingIntent)
                .setChannelId("Sesame")
                .setPriority(NotificationCompat.PRIORITY_LOW);

        mNotifyManager.notify(getRandomId(), mBuilder.build());

答

更改请求主体，例如:

{ 
"data":{
    "title" : "your_title",
    "body" : "your_body" 
}, 
  "to": "device_token",
  "priority": "high" 
}

和onMessageReceived:

and onMessageReceived:

@Override
public void onMessageReceived(RemoteMessage remoteMessage) {
    if (remoteMessage.getData().size() > 0) {
        Log.d(TAG, "Message data payload: " + remoteMessage.getData());

        String title = remoteMessage.getData().get("title");
        String body = remoteMessage.getData().get("body");
        sendNotification(title,body); // edit for your self
    }
}

现在它可以在应用终止，后台和前台运行时起作用

now it works when app killed, background and foreground

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