iOS系统NSNotificationCenter中的常用通知名称

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//音频 

AVF_EXPORT NSString *const AVAudioSessionInterruptionNotification   //音频中断出现 

AVF_EXPORT NSString *const AVAudioSessionRouteChangeNotification   //系统的音频线路发生改变 

AVF_EXPORT NSString *const AVAudioSessionMediaServicesWereLostNotification                  //媒体服务终止 

AVF_EXPORT NSString *const AVAudioSessionMediaServicesWereResetNotification                 //媒体服务重新启动 

   

//视频 

AVF_EXPORT NSString *const AVPlayerItemTimeJumpedNotification                               // 播放时间跳跃 

AVF_EXPORT NSString *const AVPlayerItemDidPlayToEndTimeNotification                         // 播放结束 

AVF_EXPORT NSString *const AVPlayerItemFailedToPlayToEndTimeNotification                    // 没能播放到最后 

AVF_EXPORT NSString *const AVPlayerItemPlaybackStalledNotification                          // 播放抛锚 

AVF_EXPORT NSString *const AVPlayerItemNewAccessLogEntryNotification                        // 添加新的访问日志条目 

AVF_EXPORT NSString *const AVPlayerItemNewErrorLogEntryNotification                         // 添加新的错误日志条目 

    

MP_EXTERN NSString *const MPMediaLibraryDidChangeNotification;                              //媒体库发生改变 

MP_EXTERN NSString *const MPMediaPlaybackIsPreparedToPlayDidChangeNotification           //后台准备播放发生改变 

MP_EXTERN NSString *const MPMoviePlayerScalingModeDidChangeNotification;           //视频缩放填充模式发生改变 

MP_EXTERN NSString *const MPMoviePlayerPlaybackDidFinishNotification;              //媒体播放完成或用户手动退出 

MP_EXTERN NSString *const MPMoviePlayerPlaybackStateDidChangeNotification                   //播放状态改变 

MP_EXTERN NSString *const MPMoviePlayerLoadStateDidChangeNotification                       //媒体网络加载状态改变 

MP_EXTERN NSString *const MPMoviePlayerNowPlayingMovieDidChangeNotification //当前播放的媒体内容发生改变 

MP_EXTERN NSString *const MPMoviePlayerWillEnterFullscreenNotification                      //将进入全屏 

MP_EXTERN NSString *const MPMoviePlayerDidEnterFullscreenNotification                       //进入全屏后 

MP_EXTERN NSString *const MPMoviePlayerWillExitFullscreenNotification                       //将要退出全屏 

MP_EXTERN NSString *const MPMoviePlayerDidExitFullscreenNotification                        //退出全屏后 

MP_EXTERN NSString *const MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification         //当媒体开始通过AirPlay播放或者结束AirPlay 

MP_EXTERN NSString *const MPMoviePlayerReadyForDisplayDidChangeNotification                 //视频显示状态改变 

MP_EXTERN NSString *const MPMovieMediaTypesAvailableNotification                            //确定了媒体可用类型后 

MP_EXTERN NSString *const MPMovieSourceTypeAvailableNotification                            // 确定了媒体来源后 

MP_EXTERN NSString *const MPMovieDurationAvailableNotification                              //确定了媒体播放时长后 

MP_EXTERN NSString *const MPMovieNaturalSizeAvailableNotification                           //确定了媒体的实际尺寸后 

MP_EXTERN NSString *const MPMoviePlayerThumbnailImageRequestDidFinishNotification         //缩略图请求完成之后 

MP_EXTERN NSString *const MPMoviePlayerTimedMetadataUpdatedNotification                     //同步元数据发生更新 

MP_EXTERN NSString *const MPMoviePlayerContentPreloadDidFinishNotification                  //媒体内容预加载完成 

MP_EXTERN NSString *const MPMusicPlayerControllerPlaybackStateDidChangeNotification;        //播放状态改变 

MP_EXTERN NSString *const MPMusicPlayerControllerNowPlayingItemDidChangeNotification;       //播放内容改变 

MP_EXTERN NSString *const MPMusicPlayerControllerVolumeDidChangeNotification;               //音量发生改变 

   

   

//拍照/录像 

AVF_EXPORT NSString *const AVCaptureDeviceWasConnectedNotification                          //输入设备已连接 

AVF_EXPORT NSString *const AVCaptureDeviceWasDisconnectedNotification                       //输入设备失去连接 

AVF_EXPORT NSString *const AVCaptureDeviceSubjectAreaDidChangeNotification                  //捕获区域发生改变 

AVF_EXPORT NSString *const AVCaptureInputPortFormatDescriptionDidChangeNotification   //输入设备端口描述改变 

AVF_EXPORT NSString *const AVCaptureSessionRuntimeErrorNotification                         //媒体会话运行错误 

AVF_EXPORT NSString *const AVCaptureSessionDidStartRunningNotification                      //媒体会话开始运行 

AVF_EXPORT NSString *const AVCaptureSessionDidStopRunningNotification                       //媒体会话停止运行 

AVF_EXPORT NSString *const AVCaptureSessionWasInterruptedNotification                       //媒体会话中断 

AVF_EXPORT NSString *const AVCaptureSessionInterruptionEndedNotification                    //媒体会话中断停止 

   

//常用视图 

UIKIT_EXTERN NSString *const UITableViewSelectionDidChangeNotification;                     //TableView选中发生改变 

   

UIKIT_EXTERN NSString *const UITextFieldTextDidBeginEditingNotification;                    //TextField开始编辑 

UIKIT_EXTERN NSString *const UITextFieldTextDidEndEditingNotification;                      //TextField发生改变 

UIKIT_EXTERN NSString *const UITextFieldTextDidChangeNotification;                          //TextField结束编辑 

   

UIKIT_EXTERN NSString * const UITextViewTextDidBeginEditingNotification;                    //TextView开始编辑 

UIKIT_EXTERN NSString * const UITextViewTextDidChangeNotification;                          //TextView发生改变 

UIKIT_EXTERN NSString * const UITextViewTextDidEndEditingNotification;                      //TextView结束编辑 

   

UIKIT_EXTERN NSString *const UIWindowDidBecomeVisibleNotification;  //window激活并展示在界面的时候触发 

UIKIT_EXTERN NSString *const UIWindowDidBecomeHiddenNotification;                           //当window隐藏的时候触发 

UIKIT_EXTERN NSString *const UIWindowDidBecomeKeyNotification;      //当window被设置为keyWindow时触发 

UIKIT_EXTERN NSString *const UIWindowDidResignKeyNotification;                   //当window的key位置被取代时触发 

UIKIT_EXTERN NSString *const UIKeyboardWillShowNotification;                                //键盘将弹出 

UIKIT_EXTERN NSString *const UIKeyboardDidShowNotification;                                 //键盘弹出 

UIKIT_EXTERN NSString *const UIKeyboardWillHideNotification;                                //键盘将要隐藏 

UIKIT_EXTERN NSString *const UIKeyboardDidHideNotification;                                 //键盘隐藏 

UIKIT_EXTERN NSString *const UIKeyboardWillChangeFrameNotification                       //键盘frame将发生改变 

UIKIT_EXTERN NSString *const UIKeyboardDidChangeFrameNotification                        //键盘frame发生改变后 

   

   

//日期，时间 

FOUNDATION_EXPORT NSString * const NSCalendarDayChangedNotification                         //日期发生改变 

FOUNDATION_EXPORT NSString * const NSSystemClockDidChangeNotification                       //系统时钟发生改变 

FOUNDATION_EXPORT NSString * const NSSystemTimeZoneDidChangeNotification                    //系统时区发生改变 

   

   

//线程 

FOUNDATION_EXPORT NSString * const NSWillBecomeMultiThreadedNotification;                   //将变成多线程 

FOUNDATION_EXPORT NSString * const NSDidBecomeSingleThreadedNotification;                   //变成了单线程 

FOUNDATION_EXPORT NSString * const NSThreadWillExitNotification;                            //线程退出 

   

   

//程序 

UIKIT_EXTERN NSString *const UIApplicationDidEnterBackgroundNotification                    //程序进入后台 

UIKIT_EXTERN NSString *const UIApplicationWillEnterForegroundNotification                   //程序将进入前台 

UIKIT_EXTERN NSString *const UIApplicationDidFinishLaunchingNotification;                   //程序加载完成 

UIKIT_EXTERN NSString *const UIApplicationDidBecomeActiveNotification;                      //程序变成激活状态 

UIKIT_EXTERN NSString *const UIApplicationWillResignActiveNotification;                     //程序将失去激活状态 

UIKIT_EXTERN NSString *const UIApplicationDidReceiveMemoryWarningNotification;              //接收到内存警告 

UIKIT_EXTERN NSString *const UIApplicationWillTerminateNotification;                        //程序将终止 

UIKIT_EXTERN NSString *const UIApplicationSignificantTimeChangeNotification;         //新的一天开始或时区发生变化 

UIKIT_EXTERN NSString *const UIApplicationWillChangeStatusBarOrientationNotification;       //将改变状态栏方向 

UIKIT_EXTERN NSString *const UIApplicationDidChangeStatusBarOrientationNotification;        //状态栏方向以改变 

UIKIT_EXTERN NSString *const UIApplicationWillChangeStatusBarFrameNotification;             //将改变状态栏frame 

UIKIT_EXTERN NSString *const UIApplicationDidChangeStatusBarFrameNotification;              //状态栏frame发生改变 

UIKIT_EXTERN NSString *const UIApplicationBackgroundRefreshStatusDidChangeNotification //后台刷新状态改变 

UIKIT_EXTERN NSString *const UIApplicationUserDidTakeScreenshotNotification                 //截屏时触发通知 

   

//硬件设备 

UIKIT_EXTERN NSString *const UIDeviceOrientationDidChangeNotification;                      //设备方向改变 

UIKIT_EXTERN NSString *const UIDeviceBatteryStateDidChangeNotification                      //电池状态改变 

UIKIT_EXTERN NSString *const UIDeviceBatteryLevelDidChangeNotification                      //电池电量改变 

UIKIT_EXTERN NSString *const UIDeviceProximityStateDidChangeNotification                    //距离感应器状态发生改变 

   

//其它 

UIKIT_EXTERN NSString *const UILocalNotificationDefaultSoundName                            //本地通知声音 

   

UIKIT_EXTERN NSString *const UIPasteboardChangedNotification;                               //粘贴板发生改变 

UIKIT_EXTERN NSString *const UIPasteboardRemovedNotification;                               //粘贴板内容移除 

    

FOUNDATION_EXPORT NSString * const NSUserDefaultsDidChangeNotification;               //NSUserDefaults发生改变 

FOUNDATION_EXPORT NSString * const NSBundleDidLoadNotification;                             //bundle加载完成