public class NotificationView extends Activity
{
    @Override
    public void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.notification);
            
        //---look up the notification manager service---
        NotificationManager nm = (NotificationManager) 
            getSystemService(NOTIFICATION_SERVICE);

        //---cancel the notification that we started--- 
        nm.cancel(getIntent().getExtras().getInt("notificationID"));
    }
}