public override void ViewWillAppear(bool animated)
        {
            base.ViewWillAppear(animated);

            // Get correct view to show
            switch (PageIndex)
            {
            case 0:
                var page1VC = new IntroPage1ViewController();
                setPage1View(page1VC);
                break;

            case 1:
                var page2VC = new IntroPage2ViewController();
                setPage2View(page2VC);
                break;

            case 2:
                var page3VC = new IntroPage3ViewController();
                setPage3View(page3VC);
                break;

            case 3:
                var page4VC = new IntroPage4ViewController();
                setPage4View(page4VC);
                break;

            case 4:
                var pageCalibrationVC = new IntroPageCalibrationViewController();
                setPageCalibrationView(pageCalibrationVC);
                break;

            case 5:
                var page5VC = new IntroPage5ViewController();
                setPage5View(page5VC);
                break;

            case 6:
                var page6VC = new IntroPage6ViewController();
                page6VC.IntroVC = IntroVC;
                setPage6View(page6VC);
                break;

            default:
                Log.Debug("Introduction page not found");
                break;
            }
        }
        private void setPage1View(IntroPage1ViewController content)
        {
            this.AddChildViewController(content);
            UIView destView = ((IntroPage1ViewController)content).View;

            destView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
            destView.Frame            = new RectangleF(
                0,
                0, (float)this.View.Frame.Size.Width,
                (float)this.View.Frame.Size.Height - ((float)(this.View.Frame.Size.Height) / (float)resizeBottomConst));
            this.View.AddSubview(destView);
            (content).DidMoveToParentViewController(this);

            img1.Image = UIImage.FromBundle("ic_launcher");
            img2.Image = UIImage.FromBundle("ic_launcher_disabled");
            img3.Image = UIImage.FromBundle("ic_launcher_disabled");
            img4.Image = UIImage.FromBundle("ic_launcher_disabled");
            img5.Image = UIImage.FromBundle("ic_launcher_disabled");
            img6.Image = UIImage.FromBundle("ic_launcher_disabled");
            img7.Image = UIImage.FromBundle("ic_launcher_disabled");
        }