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iOS Build a Simple iPhone App (iOS7) Understanding Views and View Controllers CGRect and Frame

Richard Lu
Richard Lu
20,185 Points
Posted by Richard Lu
Richard Lu
20,185 Points

viewDidAppear and viewWillAppear

Hi all, What are the differences between viewDidAppear and viewWillAppear?

1 Answer

Stone Preston
Stone Preston
42,016 Points
Stone Preston
Stone Preston
42,016 Points

viewDidAppear gets called after the view appears on the screen. viewWillAppear gets called before it appears on screen. So viewDidAppear is called when the view did appear, and viewWillAppear is called when the view will appear.