public override bool FinishedLaunching(UIApplication app, NSDictionary options) { Shared = this; CommentService.GetInstance().Init(); ParticipantService.GetInstance().Init(); UIApplication.SharedApplication.SetStatusBarStyle(UIStatusBarStyle.LightContent, false); _window = new UIWindow(UIScreen.MainScreen.Bounds); //UINavigationBar.Appearance.SetTitleTextAttributes (new UITextAttributes { // TextColor = UIColor.Blue //}); var loginViewController = new LoginViewController(); _navigation = new UINavigationController(loginViewController); _navigation.NavigationBar.TintColor = UIColor.Blue; _navigation.NavigationBar.BarTintColor = UIColor.White; _navigation.NavigationBar.Translucent = false; _window.RootViewController = _navigation; _window.MakeKeyAndVisible(); return(true); }