New posts in Viewwillappear

react-navigation: Detect when screen, tabbar is activated / appear / focus / blur

UIViewController viewWillAppear not called when adding as subView

What similar functionality method (viewWillAppear) exists on UIView?

Why does viewWillAppear not get called when an app comes back from the background?

UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?