C# UIWindow类代码示例

        //
        // This method is invoked when the application has loaded and is ready to run. In this
        // method you should instantiate the window, load the UI into it and then make the window
        // visible.
        //
        // You have 17 seconds to return from this method, or iOS will terminate your application.
        //
        public override bool FinishedLaunching(UIApplication app, NSDictionary options)
        {
            // create a new window instance based on the screen size
            MainWindow = new UIWindow(UIScreen.MainScreen.Bounds);

            var currentHomeUiViewController = new SplashViewController();
            RootNavigationController = new UINavigationController(currentHomeUiViewController);
            MainWindow.RootViewController = RootNavigationController;

            var titleTextAttributes = new UITextAttributes();
            titleTextAttributes.TextColor = UIColor.FromRGB(25, 83, 135);
            titleTextAttributes.TextShadowColor = UIColor.Clear;
            titleTextAttributes.Font = UIFont.SystemFontOfSize(16);

            //			if (IsIOS5OrGreater)
            //			{
            //				UINavigationBar.Appearance.SetTitleTextAttributes(titleTextAttributes);
            //				UINavigationBar.Appearance.SetBackgroundImage(UIImage.FromBundle("/Images/top_bar_bg"), UIBarMetrics.Default);
            //			}
            //

            MainWindow.MakeKeyAndVisible();

            return true;
        }

 protected virtual void OnSetupWindow()
 {
     UIWindow window = new UIWindow(UIScreen.MainScreen.Bounds);
     window.RootViewController = NavigationController;
     window.MakeKeyAndVisible();
     var result = _navigationProvider.NavigateAsync(MainPageViewModelType);
 }

		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
		{
			Forms.Init ();


			// http://forums.xamarin.com/discussion/21148/calabash-and-xamarin-forms-what-am-i-missing
			Forms.ViewInitialized += (object sender, ViewInitializedEventArgs e) => {

				// http://developer.xamarin.com/recipes/testcloud/set-accessibilityidentifier-ios/
				if (null != e.View.StyleId) {
					e.NativeView.AccessibilityIdentifier = e.View.StyleId;
					Console.WriteLine("Set AccessibilityIdentifier: " + e.View.StyleId);
				}
			};


			window = new UIWindow (UIScreen.MainScreen.Bounds);
			
			window.RootViewController = App.GetMainPage ().CreateViewController ();
			window.MakeKeyAndVisible ();


			#if DEBUG
			// requires Xamarin Test Cloud Agent component
			Xamarin.Calabash.Start();
			#endif


			return true;
		}

		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
		{
			// create our window
			window = new UIWindow (UIScreen.MainScreen.Bounds);
			window.MakeKeyAndVisible ();
			
			// are we running an iPhone or an iPad?
			DetermineCurrentDevice ();

			// instantiate our main navigatin controller and add it's view to the window
			mainNavController = new UINavigationController ();
			
			switch (CurrentDevice)
			{
				case DeviceType.iPhone:
					iPhoneHome = new HandlingRotation.Screens.iPhone.Home.HomeScreen ();
					mainNavController.PushViewController (iPhoneHome, false);
					break;
				
				case DeviceType.iPad:
					iPadHome = new HandlingRotation.Screens.iPad.Home.HomeScreenPad ();
					mainNavController.PushViewController (iPadHome, false);
					break;
			}

			window.RootViewController = mainNavController;

			return true;
		}

        //
        // This method is invoked when the application has loaded and is ready to run. In this
        // method you should instantiate the window, load the UI into it and then make the window
        // visible.
        //
        // You have 17 seconds to return from this method, or iOS will terminate your application.
        //
        public override bool FinishedLaunching(UIApplication app, NSDictionary options)
        {
            window = new UIWindow (UIScreen.MainScreen.Bounds);
            UIApplication.SharedApplication.StatusBarStyle = UIStatusBarStyle.BlackTranslucent;
            viewController = new FlyOutNavigationController ();
            viewController.NavigationRoot = new RootElement ("")
            {
                new Section ("Section 1"){
                    new StringElement ("View 1"),
                    new ImageStringElement("View 2",UIImage.FromFile("jhill.jpeg")),
                    new StringElement ("View 3"),
                },
                new Section ("Section 2"){
                    new StringElement ("View 1"),
                    new StringElement ("View 2"),
                }
            };
            viewController.ViewControllers = new UIViewController[]{
                 new UINavigationController (new BaseDialogViewController (viewController, new RootElement ("Section 1"){new Section (){new StringElement ("View 1")}}))
                ,new UINavigationController (new BaseDialogViewController (viewController, new RootElement ("Section 1"){new Section (){new StringElement ("View 2")}}))
                ,new UINavigationController (new BaseDialogViewController (viewController, new RootElement ("Section 1"){new Section (){new StringElement ("View 3")}}))
                ,new UINavigationController (new BaseDialogViewController (viewController, new RootElement ("Section 2"){new Section (){new StringElement ("View 1")}}))
                ,new UINavigationController (new BaseDialogViewController (viewController, new RootElement ("Section 2"){new Section (){new StringElement ("View 2")}}))
            };
            window.RootViewController = viewController;
            window.MakeKeyAndVisible ();

            return true;
        }

        //
        // This method is invoked when the application has loaded and is ready to run. In this
        // method you should instantiate the window, load the UI into it and then make the window
        // visible.
        //
        // You have 17 seconds to return from this method, or iOS will terminate your application.
        //
        public override bool FinishedLaunching(UIApplication app, NSDictionary options)
        {
            //
            // ENTER YOUR LICENSE INFO HERE
            //
            PXEngine.LicenseKeyForUser("SERIAL NUMBER", "USER NAME");

            // create a new window instance based on the screen size
            window = new UIWindow (UIScreen.MainScreen.Bounds);

            window.RootViewController = new MyViewController();

            // make the window visible
            window.MakeKeyAndVisible ();

            PXEngine shared = PXEngine.SharedInstance();

            // Print the version an build date
            Console.WriteLine("Pixate Engine v{0} {1}", shared.Version, shared.BuildDate);

            // Print the location of the current application-level stylesheet
            Console.WriteLine("CSS File location: {0}", PXStylesheet.CurrentApplicationStylesheet().FilePath);

            // Monitor for changes in the stylesheet and update styles live
            PXStylesheet.CurrentApplicationStylesheet().MonitorChanges = true;

            return true;
        }

        //
        // This method is invoked when the application has loaded and is ready to run. In this
        // method you should instantiate the window, load the UI into it and then make the window
        // visible.
        //
        // You have 17 seconds to return from this method, or iOS will terminate your application.
        //
        public override bool FinishedLaunching(UIApplication app, NSDictionary options)
        {
            window = new UIWindow (UIScreen.MainScreen.Bounds);

            viewController = new UINavigationController ();
            viewController.PushViewController(new MainScreenGroup(), true);
            viewController.NavigationBar.Opaque = true;

            window.MakeKeyAndVisible ();

            #if LITE
            AdManager.LoadBanner();
            #endif

            // On iOS5 we use the new window.RootViewController, on older versions, we add the subview
            if (UIDevice.CurrentDevice.CheckSystemVersion (5, 0))
                window.RootViewController = viewController;
            else
                window.AddSubview (viewController.View);

            #if LITE
            Apprater = new Appirater(527002436);
            #else
            Apprater = new Appirater(526844540);
            #endif
            Apprater.AppLaunched();
            return true;
        }

		//
		// This method is invoked when the application has loaded and is ready to run. In this 
		// method you should instantiate the window, load the UI into it and then make the window
		// visible.
		//
		// You have 17 seconds to return from this method, or iOS will terminate your application.
		//
		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
		{
			window = new UIWindow (UIScreen.MainScreen.Bounds);

			var root = new RootElement("MBProgressHUD")
			{
				new Section ("Samples")
				{
					new StringElement ("Simple indeterminate progress", ShowSimple),
					new StringElement ("With label", ShowWithLabel),
					new StringElement ("With details label", ShowWithDetailsLabel),
					new StringElement ("Determinate mode", ShowWithLabelDeterminate),
					new StringElement ("Annular determinate mode", ShowWIthLabelAnnularDeterminate),
					new StringElement ("Custom view", ShowWithCustomView),
					new StringElement ("Mode switching", ShowWithLabelMixed),
					new StringElement ("Using handlers", ShowUsingHandlers),
					new StringElement ("On Window", ShowOnWindow),
					new StringElement ("NSURLConnection", ShowUrl),
					new StringElement ("Dim background", ShowWithGradient),
					new StringElement ("Text only", ShowTextOnly),
					new StringElement ("Colored", ShowWithColor),
				}
			};

			dvcDialog = new DialogViewController(UITableViewStyle.Grouped, root, false);
			navController = new UINavigationController(dvcDialog);

			window.RootViewController = navController;
			window.MakeKeyAndVisible ();
			
			return true;
		}

        private void InitPanoramaSample()
        {
            this.window = new UIWindow(UIScreen.MainScreen.Bounds);

            this.window.RootViewController = new TestPanorama();
            this.window.MakeKeyAndVisible();
        }

        private MXTouchContainer(MXApplication theApp, UIApplicationDelegate appDelegate, UIWindow window)
            : base(theApp, appDelegate, window)
        {
            touchNavigation = new MXTouchNavigation(appDelegate, window);

            ViewGroups = new List<MXTouchViewGroup>();
        }

		public override bool FinishedLaunching (UIApplication application, NSDictionary launchOptions)
		{
			// Override point for customization after application launch.
			// If not required for your application you can safely delete this method

			// Code to start the Xamarin Test Cloud Agent
			#if ENABLE_TEST_CLOUD
			Xamarin.Calabash.Start();
			#endif

			Window = new UIWindow (UIScreen.MainScreen.Bounds);

			application.StatusBarHidden = true;
			application.ApplicationSupportsShakeToEdit = true;

			var path = NSBundle.MainBundle.PathForResource("appdata", "json");
			var json = File.ReadAllText (path);
			var data = Newtonsoft.Json.JsonConvert.DeserializeObject<AppData>(json);

			Window.BackgroundColor = UIColor.White;
			_tabViewController = new FlashCardSetTabViewController (data);
			Window.RootViewController = _tabViewController;

			Window.MakeKeyAndVisible ();

			return true;
		}

        public LoginPageRenderer()
        {
            dialog = new DialogViewController(new RootElement("Login"));

            window = new UIWindow(UIScreen.MainScreen.Bounds);
            window.RootViewController = new UINavigationController(dialog);
            window.MakeKeyAndVisible();

            if (App.IsGoogleLogin && !App.IsLoggedIn)
            {
                var myAuth = new GoogleAuthenticator("730990345527-h7r23gcdmdllgke4iud4di76b0bmpnbb.apps.googleusercontent.com",
                    "https://www.googleapis.com/auth/userinfo.email",
                    "https://accounts.google.com/o/oauth2/auth",
                    "https://www.googleapis.com/plus/v1/people/me");
				UIViewController vc = myAuth.authenticator.GetUI();

                myAuth.authenticator.Completed += async (object sender, AuthenticatorCompletedEventArgs eve) =>
                {
                    //dialog.DismissViewController(true, null);
                    window.Hidden = true;
                    dialog.Dispose();
                    window.Dispose();
                    if (eve.IsAuthenticated)
                    {
                        var user = await myAuth.GetProfileInfoFromGoogle(eve.Account.Properties["access_token"].ToString());
						await App.SaveUserData(user,true);
						//dialog.DismissViewController(true, null);
						App.IsLoggedIn = true;
						App.SuccessfulLoginAction.Invoke();
                    }
                };

                dialog.PresentViewController(vc, true, null);
            }
        }

    public override bool FinishedLaunching(UIApplication app, NSDictionary options)
    {
        UIApplication.SharedApplication.StatusBarHidden = true;

        image = new UIImageView (UIScreen.MainScreen.Bounds) {
            Image = UIImage.FromFile ("Background.png")
        };
        text = new UITextField (new RectangleF (44, 32, 232, 31)) {
            BorderStyle = UITextBorderStyle.RoundedRect,
            TextColor = UIColor.Black,
            BackgroundColor = UIColor.Black,
            ClearButtonMode = UITextFieldViewMode.WhileEditing,
            Placeholder = "Hello world",
        };
        text.ShouldReturn = delegate (UITextField theTextfield) {
            text.ResignFirstResponder ();

            label.Text = text.Text;
            return true;
        };

        label = new UILabel (new RectangleF (20, 120, 280, 44)){
            TextColor = UIColor.Gray,
            BackgroundColor = UIColor.Black,
            Text = text.Placeholder
        };

        var vc = new ViewController (this) { image, text, label };

        window = new UIWindow (UIScreen.MainScreen.Bounds){ vc.View };

        window.MakeKeyAndVisible ();

        return true;
    }

		public override bool FinishedLaunching (UIApplication app, NSDictionary options)
		{
			window = new UIWindow (UIScreen.MainScreen.Bounds);
			runner = new TouchRunner (window);

			// tests can be inside the main assembly
			runner.Add (Assembly.GetExecutingAssembly ());
#if false
			// you can use the default or set your own custom writer (e.g. save to web site and tweet it ;-)
			runner.Writer = new TcpTextWriter ("10.0.1.2", 16384);
			// start running the test suites as soon as the application is loaded
			runner.AutoStart = true;
			// crash the application (to ensure it's ended) and return to springboard
			runner.TerminateAfterExecution = true;
#endif
#if false
			// you can get NUnit[2-3]-style XML reports to the console or server like this
			// replace `null` (default to Console.Out) to a TcpTextWriter to send data to a socket server
			// replace `NUnit2XmlOutputWriter` with `NUnit3XmlOutputWriter` for NUnit3 format
			runner.Writer = new NUnitOutputTextWriter (runner, null, new NUnitLite.Runner.NUnit2XmlOutputWriter ());
			// the same AutoStart and TerminateAfterExecution can be used for build automation
#endif
			window.RootViewController = new UINavigationController (runner.GetViewController ());
			window.MakeKeyAndVisible ();
			return true;
		}

 public override bool FinishedLaunching(UIApplication app, NSDictionary options)
 {
     Window = new UIWindow (UIScreen.MainScreen.Bounds);
     Window.RootViewController = new ViewController ();
     Window.MakeKeyAndVisible ();
     return true;
 }