public AlertView(string title, string message)
{
ShadowOpacity = 0.15f;
ContainerWidth = 300;
ButtonHeight = 50;
CornerRadius = 6;
titleLabel = new UILabel();
titleLabel.Text = title;
titleLabel.Font = TitleFont;
messageLabel = new UILabel();
messageLabel.Text = message;
messageLabel.Font = MessageFont;
Frame = UIScreen.MainScreen.Bounds;
BackgroundColor = UIColor.FromWhiteAlpha(0, 0.2f);
containerView = new UIView();
containerView.Layer.CornerRadius = CornerRadius;
containerView.Layer.MasksToBounds = true;
shadowView.Layer.ShadowColor = UIColor.Black.CGColor;
shadowView.Layer.ShadowOffset = CoreGraphics.CGSize.Empty;
shadowView.Layer.ShadowOpacity = ShadowOpacity;
}