Aspects


vs


Viewdidappear

UIViewController instance method that notifies the view controller that its view was added to a view hierarchy.

Viewwillappear

UIViewController instance method that notifies the view controller that its view is about to be added to a view hierarchy.

Others

Quality Example
More

"In this case viewdidappear behaves more like viewwillappear .."

from question "Why does viewDidAppear in UITabBarController exec before the view appears?"

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