You know what I\'m talking about: for example when you get multiple new emails the notification icon in the status bar is augmented with a little red circle that contains number
A good example of how to use the notification bar can be found in this tutorial:
http://www.firstdroid.com/2010/05/09/learn-by-example-using-notification-bar/
Hope it helps, Adrian.
This one is nice and easy, just change Notification.number to whatever number you want to appear on your Notification, e.g.:
Notification notification = new Notification(icon, tickerText, when);
notification.number = 4;