AppDelegate.cs

using Foundation;
using UIKit;
using VideoManager.iOS.Sources.ViewModel;

namespace VideoManager.iOS.Sources
{
	// The UIApplicationDelegate for the application. This class is responsible for launching the
	// User Interface of the application, as well as listening (and optionally responding) to application events from iOS.
	[Register ("AppDelegate")]
	public class AppDelegate : UIApplicationDelegate
	{

		#region Properties

		public static AppDelegate App
		{
			get;
			private set;
		}

		public override UIWindow Window {
			get;
			set;
		}

		public ViewModelLocator Locator
		{
			get;
			private set;
		}

		#endregion

		#region Constructors

		public AppDelegate() : base()
		{
			App = this;
		}

		#endregion

		#region Override Methods

		public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
		{
			Locator = new ViewModelLocator();
			var navigationService = Locator.NavigationService as AppNavigationService;
			navigationService.Initialize(Window.RootViewController as UINavigationController);

			return true;
		}

		public override void OnResignActivation(UIApplication application)
		{
			// Invoked when the application is about to move from active to inactive state.
			// This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) 
			// or when the user quits the application and it begins the transition to the background state.
			// Games should use this method to pause the game.
		}

		public override void DidEnterBackground(UIApplication application)
		{
			// Use this method to release shared resources, save user data, invalidate timers and store the application state.
			// If your application supports background exection this method is called instead of WillTerminate when the user quits.
		}

		public override void WillEnterForeground(UIApplication application)
		{
			// Called as part of the transiton from background to active state.
			// Here you can undo many of the changes made on entering the background.
		}

		public override void OnActivated(UIApplication application)
		{
			// Restart any tasks that were paused (or not yet started) while the application was inactive. 
			// If the application was previously in the background, optionally refresh the user interface.
		}

		public override void WillTerminate(UIApplication application)
		{
			// Called when the application is about to terminate. Save data, if needed. See also DidEnterBackground.
		}

		#endregion

	}
}