/// <summary>
/// Eliminates the needs to implement the UIScrollView in the xib.
/// You can build out the screens as necessary, then call this method to
/// wrap the view in a scroll view.
///
/// NOTE: The controls in the xib MUST have top to bottom constraints in
/// order for the scroll view to determine it's vertical content size.
/// Usually, this can be done by adding a ">= NUM" constraint on the last
/// control to the superview's bottom.
/// </summary>
public static void MakeScrollable(this UIViewController viewController, UIColor backgroundColor)
{
var contentView = viewController.View;
contentView.BackgroundColor = backgroundColor;
var newView = new UIView {
BackgroundColor = backgroundColor
};
var scrollView = new UIScrollView();
newView.AddSubview(scrollView);
scrollView.AddConstraintsToFillSuperview();
scrollView.AddSubview(contentView);
contentView.AddConstraintsToFillSuperview();
contentView.WidthAnchor.ConstraintEqualTo(newView.WidthAnchor).Active = true;
viewController.View = newView;
}
