View Controllers(Chapter 7 of iOS Programming: The Big Nerd Ranch Guide)-白红宇

View Controllers(Chapter 7 of iOS Programming: The Big Nerd Ranch Guide)

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发布时间：2019-06-15

本文共 451 字，大约阅读时间需要 1 分钟。

UIViewController has several methods that get called at certain times:

viewWillAppear: when its view is about to be added to the window

viewDidAppear: when its view has been added to the window

viewWillDisappear: when its view is about to be dismissed, covered, or otherwise hidden from view

viewDidDisappear: when its view has been dismissed, covered, or otherwise hidden from view

转载于:https://www.cnblogs.com/zhtf2014/archive/2011/11/11/2245814.html

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