Xamarin Forms View extension (wobble)

wobble.cs

	public static class ViewExtensions
	{
		public static void Wobble (this View view, int wobbles = 4, Action completion = null)
		{
			Task.Run (() => {
				Device.BeginInvokeOnMainThread (async () => {
					uint duration = 50;
					var count = 4;
					await view.RelRotateTo (5.0, duration, Easing.Linear);
					for (var shake = 1; shake < count - 1; shake++) {
						await view.RelRotateTo (-10.0, duration, Easing.Linear);
						await view.RelRotateTo (10.0, duration, Easing.Linear);
					}
					await view.RelRotateTo (-5.0, duration, Easing.Linear);
					if (completion != null) {
						completion ();
					}
				});
			});

		}
	}