How to cancel UIGestureRecognizer if subview's button pressed

Question

I am struggling to get the behaviour I would like from the gesture recognisers, specifically cancelling certain gestures if others have fired.

I have a scrollView set to

Answer 1

You can subclass UIView and overwrite the -touchesBegan selector, or you can play with the opaque property of the subviews to make them "invisible" to the touches (if view.opaque = NO, the view ignores touch events).