How to refresh UIViewController programmatically?

Question

I have a ViewController in which the user selects a card (a custom UIButton) out of a UIScrollView. I have intercepted the touch event selecting the card and identified it,

Answer 1

Once you have a handle on your view:

UIView *v = ...;
[v removeFromSuperview];

You could also call the setNeedsDisplay method on your scroll view after calling removeFromSuperview.