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

    UINavigationBar.Appearance.SetTitleTextAttributes(new UITextAttributes
    {
        TextColor = UIColor.Black,
        Font = UIFont.FromName("ComicSansMS", 24)
    });

    LoadApplication(new App());

    return base.FinishedLaunching(app, options);
}