Best way to refresh/reload UIScrollView

Question

I have a method that adds some subviews (images/buttons) to my ScrollView.

The thing is that from outside of the ScrollView the user can tap a button that will chang

Answer 1

Upon removing any unneeded views (which I'm assuming you're not going to be able to work around) call [myScrollView setNeedsDisplay]; to refresh the UIScrollView on the next drawing cycle.