UIViewController viewWillAppear not called when adding as subView

Question

I have a UIViewController that I am loading from inside another view controller and then adding its view to a UIScrollView.

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Answer 1

The previous answers are correct, but in case it helps someone - if you override loadView in the child view controller, then none of the other UIViewController methods get called.

Took me some time to realize why my code wasn't running properly, until I realized that I had accidentally overridden loadView instead of viewDidLoad.