GradientButton.cs

        public override bool TouchesBegan(IEnumerable<Point> points)
        {
            base.TouchesBegan(points);
            this.ScaleTo(0.96, 65, Easing.CubicInOut);
            return true;
        }

        public override bool TouchesCancelled(IEnumerable<Point> points)
        {
            base.TouchesCancelled(points);
            this.ScaleTo(1.0, 65, Easing.CubicInOut);
            return true;
        }

        public override bool TouchesEnded(IEnumerable<Point> points)
        {
            base.TouchesEnded(points);
            this.ScaleTo(1.0, 65, Easing.CubicInOut);
            return true;
        }