public override void ViewDidLoad() { base.ViewDidLoad(); View.BackgroundColor = UIColor.FromRGBA(0.176471f, 0.701961f, 0.203922f, 1.0f); button = new AnimatedCheckButton(); button.Frame = new RectangleF(0, 0, 140, 140); button.Center = View.Center; View.AddSubview(button); }