Handle multiple Notifications / Stacking Notifications from GCM

Question

I just implemented GCM and notifications in my Android app, coming from an Apache/PHP-based webserver.
The notifications are already working, but I\'m stuck at stacking the

Answer 1

I finally found the solution and ended up using atomic integers, but in a seperated class:

import java.util.concurrent.atomic.AtomicInteger;

public class Global {
    public static AtomicInteger Counter1 = new AtomicInteger();
    public static AtomicInteger Counter2 = new AtomicInteger();
}

To reset the counter after the application opening, i put this in my MainActivity (called in onCreate() and onResume():

private void clearNotifications(){        
    NotificationManager mNotificationManager;
    mNotificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
    mNotificationManager.cancelAll();

    Global.Counter1.set(0);
    Global.Counter2.set(0);
}

When I create the notification, I check the counter:

Counter1 = Global.Counter1.incrementAndGet();
ContentText = (Counter1 < 2) ? /* Single notification */ : /* Stacking */;