MonoTouch animation helper by @alex_york and @follesoe

AnimationService.cs

	public static class AnimationService
	{		
		public static void FadeOut(this UIView view, float duration = 1.0f, float opacity = 0.0f)
		{			
			Animate(duration, () => { 
				view.Layer.Opacity = opacity;
			});
		}
		
		public static void Animate(double duration, Action block)
		{
			UIView.BeginAnimations(Guid.NewGuid().ToString());
			UIView.SetAnimationDuration(duration);
			
			block();
			
			UIView.CommitAnimations();
		}		
	}