按下NSNotification for power按钮

Iqb*_*han 2 iphone objective-c ios

我想知道当用户按下电源按钮锁定设备时会抛出哪个通知.我检查了UIApplicationDidEnterBackgroundNotification,但它无法正常工作.

Ank*_*ava 5

- (void)applicationWillResignActive:(UIApplication *)application
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这是按下电源按钮时应该看到的内容.此命名后也会触发通知..UIApplicationWillResignActiveNotification