Open specific Activity when notification clicked in FCM

Question

I am working on App in which I am required to show notification. For notification, i am using FireBase Cloud Messaging (FCM). I am able to get Notification

Answer 1

AndroidManifest.xml

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Your FirebaseMessagingService.java file onMessageReceived method:

public void onMessageReceived(RemoteMessage remoteMessage){
    String title=remoteMessage.getNotification().getTitle();
    String message=remoteMessage.getNotification().getBody();
    String click_action=remoteMessage.getNotification().getClickAction();
    Intent intent=new Intent(click_action);
    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
    PendingIntent pendingIntent=PendingIntent.getActivity(this,0,intent,PendingIntent.FLAG_ONE_SHOT);
    NotificationCompat.Builder notificationBuilder=new NotificationCompat.Builder(this);
    notificationBuilder.setContentTitle(title);
    notificationBuilder.setContentText(message);
    notificationBuilder.setSmallIcon(R.mipmap.ic_launcher);
    notificationBuilder.setAutoCancel(true);
    notificationBuilder.setContentIntent(pendingIntent);
    NotificationManager notificationManager=(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
    notificationManager.notify(0,notificationBuilder.build());
}

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Your cloud function/server code for notification:

    notification: {
        title: "TITLE OF NOTIFICATION",
        body: "NOTIFICATION MESSAGE",
        sound: "default",
        click_action: "com.example.myapplication_YOUR_NOTIFICATION_NAME"
    }