ClockLayer SetupBackgroundLayer() 
		{
			// Create the color animation
			var rg = CABasicAnimation.FromKeyPath ("clockColor");
			rg.Duration = 3;
			rg.From = new NSObject (red.Handle);
			rg.To = new NSObject (green.Handle);

			var gb = CABasicAnimation.FromKeyPath ("clockColor");
			gb.Duration = 3;
			gb.BeginTime = 3;
			gb.From = rg.To;
			gb.To = new NSObject (blue.Handle);

			var br = CABasicAnimation.FromKeyPath ("clockColor");
			br.Duration = 3;
			br.BeginTime = 6;
			br.From = gb.To;
			br.To = rg.From;
			
			backgroundAnimation = new CAAnimationGroup ();
			backgroundAnimation.RepeatCount = 1000;
			backgroundAnimation.Duration = 9;
			backgroundAnimation.Animations = new CAAnimation [] { rg, gb, br };

			// Create the background layer
			backgroundLayer = new ClockLayer ();
			backgroundLayer.ClockColor = new CGColor (0.5f, 1f, 0f, 1.0f);
			backgroundLayer.AddAnimation (backgroundAnimation, "colorAnimation");

			CAConstraintLayoutManager layout = CAConstraintLayoutManager.LayoutManager;
			backgroundLayer.LayoutManager = layout;
			
			return backgroundLayer;
		}
        ClockLayer SetupBackgroundLayer()
        {
            // Create the color animation
            var rg = CABasicAnimation.FromKeyPath("clockColor");

            rg.Duration = 3;
            rg.From     = new NSObject(red.Handle);
            rg.To       = new NSObject(green.Handle);

            var gb = CABasicAnimation.FromKeyPath("clockColor");

            gb.Duration  = 3;
            gb.BeginTime = 3;
            gb.From      = rg.To;
            gb.To        = new NSObject(blue.Handle);

            var br = CABasicAnimation.FromKeyPath("clockColor");

            br.Duration  = 3;
            br.BeginTime = 6;
            br.From      = gb.To;
            br.To        = rg.From;

            backgroundAnimation             = new CAAnimationGroup();
            backgroundAnimation.RepeatCount = 1000;
            backgroundAnimation.Duration    = 9;
            backgroundAnimation.Animations  = new CAAnimation [] { rg, gb, br };

            // Create the background layer
            backgroundLayer            = new ClockLayer();
            backgroundLayer.ClockColor = new CGColor(0.5f, 1f, 0f, 1.0f);
            backgroundLayer.AddAnimation(backgroundAnimation, "colorAnimation");

            CAConstraintLayoutManager layout = CAConstraintLayoutManager.LayoutManager;

            backgroundLayer.LayoutManager = layout;

            return(backgroundLayer);
        }
 private CALayer SetupLayers()
 {
     backgroundLayer = SetupBackgroundLayer();
     backgroundLayer.AddSublayer(SetupClockFaceLayer());
     return(backgroundLayer);
 }
		private CALayer SetupLayers()
		{
			backgroundLayer = SetupBackgroundLayer ();
			backgroundLayer.AddSublayer (SetupClockFaceLayer ());
			return backgroundLayer;
		}