public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
        {
            window = new UIWindow (UIScreen.MainScreen.Bounds);
            viewController = new ViewController ();
            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)
		{
			// create a new window instance based on the screen size
			window = new UIWindow (UIScreen.MainScreen.Bounds);
			
			// If you have defined a root view controller, set it here:
			// window.RootViewController = myViewController;
			viewController = new ViewController ();

			window.RootViewController = viewController;
			// make the window visible
			window.MakeKeyAndVisible ();
			
			return true;
		}