let current =  UNUserNotificationCenter.current();

        current.getNotificationSettings(completionHandler:
        {
            (settings) in

            if settings.authorizationStatus == .notDetermined
            {
                // self.window = UIWindow(frame: UIScreen.main.bounds);
                self.window = UIWindow(frame: UIScreen.main.bounds)

                let aViewController = AViewController();

                self.window?.rootViewController = aViewController;

                self.window?.makeKeyAndVisible();
            }
            else
            {
                // self.window = UIWindow(frame: UIScreen.main.bounds);
                self.window = UIWindow(frame: UIScreen.main.bounds)

                let bViewController = BViewController();

                self.window?.rootViewController = bViewController;

                self.window?.makeKeyAndVisible();
            }
        });

        // Override point for customization after application launch.

        return true
    }