Like all of us, I strive to balance addObserver/removeObserver calls in my app to prevent crashes [..] iOS 7 has complicated this pattern. I can no longer rely on a view controller being torn down when viewWillDisappear is called. I have to expect that it might turn around, yell “just kidding,” and proceed to call viewWillAppear/viewDidAppear all over again.

Author: Tom Insam

programming / london / san francisco / bacon

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