当用户按下主页按钮并再次双击它以返回时，调用哪些方法 [英] Which methods are called when user presses home button and double presses it again to return

问题描述

我想知道当用户按下主页按钮时调用哪些方法（事件）并再次按下它以返回我的应用程序。

I want to know which methods (events) are called when user presses home button and double presses it again to return to my app.

推荐答案

applicationDidEnterBackground
applicationWillEnterForeground

这些所有在app app delegate中调用

These all called in the app delegate

所有细节都可以在这里找到： http://developer.apple.com/library/ios/#documentation/uikit/reference/UIApplicationDelegate_Protocol/Reference/Reference.html

All details can be found here: http://developer.apple.com/library/ios/#documentation/uikit/reference/UIApplicationDelegate_Protocol/Reference/Reference.html

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