get UIButton inside an UIScrollView absolute screen location
问题 It may be a dumb question, but I can't find an answer to this ... I have an UIScrollView and inside a number of UIButtons. When I press a button, I want to know the screen location of the button. If I use button.frame it gives me the position inside UIScrollView, which is normal. How can I find x and y relative to screen of the button pressed? Thanks in advance. 回答1: Your objection was right- instead, use - (CGPoint)convertPoint:(CGPoint)point toView:(UIView *)view from UIView, like [button