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  • iOS系统消息

    一、键盘

    1、UIKeyboardWillShowNotification-将要弹出键盘
    2、UIKeyboardDidShowNotification-显示键盘
    3、UIKeyboardWillHideNotification-将要隐藏键盘
    4、UIKeyboardDidHideNotification-键盘已经隐藏
    5、UIKeyboardWillChangeFrameNotification-键盘将要改变frame
    6、UIKeyboardDidChangeFrameNotification-键盘已经改变frame

    二、窗口
    1、UIWindowDidBecomeVisibleNotification-窗口可见
    2、UIWindowDidBecomeHiddenNotification-窗口隐藏
    3、UIWindowDidBecomeKeyNotification
    4、UIWindowDidResignKeyNotification
    三、程序消息
    1、UIApplicationDidBecomeActiveNotification-程序从后台激活
    2、UIApplicationDidChangeStatusBarFrameNotification-状态栏frame改变
    3、UIApplicationDidChangeStatusBarOrientationNotification-状态栏方向改变
    4、UIApplicationDidEnterBackgroundNotification-进入后台
    5、UIApplicationDidFinishLaunchingNotification-程序加载完成
    6、UIApplicationDidReceiveMemoryWarningNotification-内存警告
    7、UIApplicationProtectedDataDidBecomeAvailable
    8、UIApplicationProtectedDataWillBecomeUnavailable
    9、UIApplicationSignificantTimeChangeNotification 重要的时间变化(新的一天开始或时区变化)
    10、UIApplicationWillChangeStatusBarOrientationNotification-将要改变状态栏方向
    11、UIApplicationWillChangeStatusBarFrameNotification-将要改变状态栏frame
    12、UIApplicationWillEnterForegroundNotification
    13、UIApplicationWillResignActiveNotification
    14、UIApplicationWillTerminateNotification

    四、电池、方向、传感器
    1、UIDeviceBatteryLevelDidChangeNotification //电池电量
    2、UIDeviceBatteryStateDidChangeNotification //电池状态
    3、UIDeviceOrientationDidChangeNotification //方向
    4、UIDeviceProximityStateDidChangeNotification //近距离传感器

    五、音视频
    1、MPMediaLibraryDidChangeNotification
    2、MPMusicPlayerControllerPlaybackStateDidChangeNotification
    3、MPMusicPlayerControllerNowPlayingItemDidChangeNotification
    4、MPMusicPlayerControllerVolumeDidChangeNotification

    六、其他 
    1、NSUserDefaultsDidChangeNotification 用户默认设置变化
    2   NSCurrentLocaleDidChangeNotification 本地化语言变化

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  • 原文地址:https://www.cnblogs.com/Free-Thinker/p/6478697.html
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