protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            QuickUI.Init(this, bundle);
            SetPage(DemoApp.GetMainPage());
        }
        public override bool FinishedLaunching(UIApplication app, NSDictionary options)
        {
            window = new UIWindow(UIScreen.MainScreen.Bounds);

            QuickUI.Init();
            window.RootViewController = DemoApp.GetMainPage().GetViewController();

            window.MakeKeyAndVisible();

            return(true);
        }