Dealloc vs ViewDidDissapear for memory management?

To understand what's going on you need to understand how viewWillAppear and viewWillDisappear work.

It's kind of strange to release anything in viewWillDisappear, but if you allocate it in viewWillAppear, that's the right thing to do. I think you should be allocating your objects in viewDidLoad, and releasing them in viewDidUnload. In some cases that would avoid unnecessarily recreating them.

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