开发时经常会用到一些不知道的系统通知，或者有需求，不知道系统有没有的通知，这里给自己做一个笔记整理、记录，希望也能帮到大家
Accounts.framework
头文件：./Headers/ACAccountStore.h
ACAccountStoreDidChangeNotification NS_AVAILABLE(NA, 5_0);
AssetsLibrary.framework
头文件：./Headers/ALAssetsLibrary.h
ALAssetsLibraryChangedNotification __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_4_0);
AVFoundation.framework
头文件：./Headers/AVAudioSession.h
AVAudioSessionInterruptionNotification NS_AVAILABLE_IOS(6_0);
AVAudioSessionRouteChangeNotification NS_AVAILABLE_IOS(6_0);
AVAudioSessionMediaServicesWereLostNotification NS_AVAILABLE_IOS(7_0);
AVAudioSessionMediaServicesWereResetNotification NS_AVAILABLE_IOS(6_0);
AVCaptureDeviceWasConnectedNotification NS_AVAILABLE(10_7, 4_0);
头文件：./Headers/AVCaptureDevice.h
AVCaptureDeviceWasDisconnectedNotification NS_AVAILABLE(10_7, 4_0);
AVCaptureDeviceSubjectAreaDidChangeNotification NS_AVAILABLE_IOS(5_0);
头文件：./Headers/AVCaptureInput.h
AVCaptureInputPortFormatDescriptionDidChangeNotification NS_AVAILABLE(10_7, 4_0);
头文件：./Headers/AVCaptureSession.h
AVCaptureSessionRuntimeErrorNotification NS_AVAILABLE(10_7, 4_0);
AVCaptureSessionDidStartRunningNotification NS_AVAILABLE(10_7, 4_0);
AVCaptureSessionDidStopRunningNotification NS_AVAILABLE(10_7, 4_0);
AVCaptureSessionWasInterruptedNotification NS_AVAILABLE_IOS(4_0);
AVCaptureSessionInterruptionEndedNotification NS_AVAILABLE_IOS(4_0);
头文件：./Headers/AVPlayerItem.h
AVPlayerItemTimeJumpedNotification NS_AVAILABLE(10_7, 5_0);
AVPlayerItemDidPlayToEndTimeNotification NS_AVAILABLE(10_7, 4_0);
AVPlayerItemFailedToPlayToEndTimeNotification NS_AVAILABLE(10_7, 4_3);
AVPlayerItemPlaybackStalledNotification NS_AVAILABLE(10_9, 6_0);
AVPlayerItemNewAccessLogEntryNotification NS_AVAILABLE(10_9, 6_0);
AVPlayerItemNewErrorLogEntryNotification NS_AVAILABLE(10_9, 6_0);
CoreBluetooth.framework
头文件：./Headers/CBCentralManagerConstants.h
CBConnectPeripheralOptionNotifyOnNotificationKey NS_AVAILABLE(NA, 6_0);
CoreData.framework
头文件：./Headers/NSManagedObjectContext.h
NSManagedObjectContextWillSaveNotification NS_AVAILABLE(10_5, 3_0);
NSManagedObjectContextDidSaveNotification NS_AVAILABLE(10_4, 3_0);
NSManagedObjectContextObjectsDidChangeNotification NS_AVAILABLE(10_4, 3_0);
头文件：./Headers/NSPersistentStoreCoordinator.h
NSPersistentStoreCoordinatorStoresWillChangeNotification NS_AVAILABLE(10_9, 7_0);
NSPersistentStoreCoordinatorStoresDidChangeNotification NS_AVAILABLE(10_4, 3_0);
NSPersistentStoreCoordinatorWillRemoveStoreNotification NS_AVAILABLE(10_5, 3_0);
NSPersistentStoreDidImportUbiquitousContentChangesNotification NS_AVAILABLE(10_7, 5_0);
MIDINetworkNotificationContactsDidChange __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_4_2);
CoreMIDI.framework
头文件：./Headers/MIDINetworkSession.h
MIDINetworkNotificationSessionDidChange __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_4_2);
CoreTelephony.framework
头文件：./Headers/CTTelephonyNetworkInfo.h
CTRadioAccessTechnologyDidChangeNotification __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_7_0);
EventKit.framework
头文件：./Headers/EKEventStore.h
EKEventStoreChangedNotification __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_4_0);
ExternalAccessory.framework
头文件：./Headers/EAAccessoryManager.h
EAAccessoryDidConnectNotification __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_3_0);
EAAccessoryDidDisconnectNotification __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_3_0);
Foundation.framework
头文件：./Headers/NSBundle.h
NSBundleDidLoadNotification;
头文件：./Headers/NSCalendar.h
NSCalendarDayChangedNotification NS_AVAILABLE(10_9, __NSCALENDAR_COND_IOS_7_0);
NSSystemClockDidChangeNotification NS_AVAILABLE(10_6, 4_0);
头文件：./Headers/NSFileHandle.h
NSFileHandleReadCompletionNotification;
NSFileHandleReadToEndOfFileCompletionNotification;
NSFileHandleConnectionAcceptedNotification;
NSFileHandleDataAvailableNotification;
NSFileHandleNotificationDataItem;
NSFileHandleNotificationFileHandleItem;
NSFileHandleNotificationMonitorModes NS_DEPRECATED(10_0, 10_7, 2_0, 5_0);
头文件：./Headers/NSFileManager.h
NSUbiquityIdentityDidChangeNotification NS_AVAILABLE(10_8, 6_0);
头文件：./Headers/NSHTTPCookieStorage.h
NSHTTPCookieManagerAcceptPolicyChangedNotification;
NSHTTPCookieManagerCookiesChangedNotification;
头文件：./Headers/NSKeyValueObserving.h
NSKeyValueChangeNotificationIsPriorKey NS_AVAILABLE(10_5, 2_0);
头文件：./Headers/NSLocale.h
NSCurrentLocaleDidChangeNotification NS_AVAILABLE(10_5, 2_0);
头文件：./Headers/NSMetadata.h
NSMetadataQueryDidStartGatheringNotification NS_AVAILABLE(10_4, 5_0);
NSMetadataQueryGatheringProgressNotification NS_AVAILABLE(10_4, 5_0);
NSMetadataQueryDidFinishGatheringNotification NS_AVAILABLE(10_4, 5_0);
NSMetadataQueryDidUpdateNotification NS_AVAILABLE(10_4, 5_0);
头文件：./Headers/NSPort.h
NSPortDidBecomeInvalidNotification;
头文件：./Headers/NSThread.h
NSWillBecomeMultiThreadedNotification;
NSDidBecomeSingleThreadedNotification;
NSThreadWillExitNotification;
头文件：./Headers/NSTimeZone.h
NSSystemTimeZoneDidChangeNotification NS_AVAILABLE(10_5, 2_0);
头文件：./Headers/NSUbiquitousKeyValueStore.h
NSUbiquitousKeyValueStoreDidChangeExternallyNotification NS_AVAILABLE(10_7, 5_0);
头文件：./Headers/NSUndoManager.h
NSUndoManagerCheckpointNotification NS_AVAILABLE(10_0, 3_0);
NSUndoManagerWillUndoChangeNotification NS_AVAILABLE(10_0, 3_0);
NSUndoManagerWillRedoChangeNotification NS_AVAILABLE(10_0, 3_0);
NSUndoManagerDidUndoChangeNotification NS_AVAILABLE(10_0, 3_0);
NSUndoManagerDidRedoChangeNotification NS_AVAILABLE(10_0, 3_0);
NSUndoManagerDidOpenUndoGroupNotification NS_AVAILABLE(10_0, 3_0);
NSUndoManagerWillCloseUndoGroupNotification NS_AVAILABLE(10_0, 3_0);
NSUndoManagerDidCloseUndoGroupNotification NS_AVAILABLE(10_7, 5_0);
头文件：./Headers/NSURLCredentialStorage.h
NSURLCredentialStorageChangedNotification;
头文件：./Headers/NSUserDefaults.h
NSUserDefaultsDidChangeNotification;
GameController.framework
头文件：./Headers/GCController.h
GCControllerDidConnectNotification;
GCControllerDidDisconnectNotification;
GameKit.framework
头文件：./Headers/GKLocalPlayer.h
GKPlayerAuthenticationDidChangeNotificationName __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_4_1);
头文件：./Headers/GKPlayer.h
GKPlayerDidChangeNotificationName;
MapKit.framework
头文件：./Headers/MKAnnotationView.h
MKAnnotationCalloutInfoDidChangeNotification;
MediaPlayer.framework
头文件：./Headers/MPMediaLibrary.h
MPMediaLibraryDidChangeNotification;
头文件：./Headers/MPMediaPlayback.h
MPMediaPlaybackIsPreparedToPlayDidChangeNotification NS_AVAILABLE_IOS(3_2);
头文件：./Headers/MPMoviePlayerController.h
MPMoviePlayerScalingModeDidChangeNotification;
MPMoviePlayerPlaybackDidFinishNotification;
MPMoviePlayerPlaybackStateDidChangeNotification NS_AVAILABLE_IOS(3_2);
MPMoviePlayerLoadStateDidChangeNotification NS_AVAILABLE_IOS(3_2);
MPMoviePlayerNowPlayingMovieDidChangeNotification NS_AVAILABLE_IOS(3_2);
MPMoviePlayerWillEnterFullscreenNotification NS_AVAILABLE_IOS(3_2);
MPMoviePlayerDidEnterFullscreenNotification NS_AVAILABLE_IOS(3_2);
MPMoviePlayerWillExitFullscreenNotification NS_AVAILABLE_IOS(3_2);
MPMoviePlayerDidExitFullscreenNotification NS_AVAILABLE_IOS(3_2);
MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification NS_AVAILABLE_IOS(5_0);
MPMoviePlayerReadyForDisplayDidChangeNotification NS_AVAILABLE_IOS(6_0);
MPMovieMediaTypesAvailableNotification NS_AVAILABLE_IOS(3_2);
MPMovieSourceTypeAvailableNotification NS_AVAILABLE_IOS(3_2); // Posted if the movieSourceType is MPMovieSourceTypeUnknown when preparing for playback.
MPMovieDurationAvailableNotification NS_AVAILABLE_IOS(3_2);
MPMovieNaturalSizeAvailableNotification NS_AVAILABLE_IOS(3_2);
MPMoviePlayerThumbnailImageRequestDidFinishNotification NS_AVAILABLE_IOS(3_2);
MPMoviePlayerTimedMetadataUpdatedNotification NS_AVAILABLE_IOS(4_0);
MPMoviePlayerContentPreloadDidFinishNotification NS_DEPRECATED_IOS(2_0, 3_2);
MPMusicPlayerControllerPlaybackStateDidChangeNotification;
MPMusicPlayerControllerNowPlayingItemDidChangeNotification;
MPMusicPlayerControllerVolumeDidChangeNotification;
头文件：./Headers/MPVolumeView.h
MPVolumeViewWirelessRoutesAvailableDidChangeNotification NS_AVAILABLE_IOS(7_0);
MPVolumeViewWirelessRouteActiveDidChangeNotification NS_AVAILABLE_IOS(7_0);
MessageUI.framework
头文件：./Headers/MFMessageComposeViewController.h
MFMessageComposeViewControllerTextMessageAvailabilityDidChangeNotification __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_5_0);
NewsstandKit.framework
头文件：./Headers/NKIssue.h
NKIssueDownloadCompletedNotification;
PassKit.framework
头文件：./Headers/PKPassLibrary.h
PKPassLibraryDidChangeNotification NS_AVAILABLE_IOS(6_0);
UIKit.framework
头文件：./Headers/NSTextStorage.h
NSTextStorageWillProcessEditingNotification NS_AVAILABLE_IOS(7_0);
NSTextStorageDidProcessEditingNotification NS_AVAILABLE_IOS(7_0);
头文件：./Headers/UIAccessibility.h
UIAccessibilityMonoAudioStatusDidChangeNotification NS_AVAILABLE_IOS(5_0);
UIAccessibilityClosedCaptioningStatusDidChangeNotification NS_AVAILABLE_IOS(5_0);
UIAccessibilityInvertColorsStatusDidChangeNotification NS_AVAILABLE_IOS(6_0);
UIAccessibilityGuidedAccessStatusDidChangeNotification NS_AVAILABLE_IOS(6_0);
头文件：./Headers/UIAccessibilityConstants.h
UIAccessibilityAnnouncementDidFinishNotification NS_AVAILABLE_IOS(6_0);
头文件：./Headers/UIApplication.h
UIApplicationDidEnterBackgroundNotification NS_AVAILABLE_IOS(4_0);
UIApplicationWillEnterForegroundNotification NS_AVAILABLE_IOS(4_0);
UIApplicationDidFinishLaunchingNotification;
UIApplicationDidBecomeActiveNotification;
UIApplicationWillResignActiveNotification;
UIApplicationDidReceiveMemoryWarningNotification;
UIApplicationWillTerminateNotification;
UIApplicationSignificantTimeChangeNotification;
UIApplicationWillChangeStatusBarOrientationNotification; // userInfo contains NSNumber with new orientation
UIApplicationDidChangeStatusBarOrientationNotification; // userInfo contains NSNumber with old orientation
UIApplicationWillChangeStatusBarFrameNotification; // userInfo contains NSValue with new frame
UIApplicationDidChangeStatusBarFrameNotification; // userInfo contains NSValue with old frame
UIApplicationBackgroundRefreshStatusDidChangeNotification NS_AVAILABLE_IOS(7_0);
UIApplicationLaunchOptionsRemoteNotificationKey NS_AVAILABLE_IOS(3_0); // userInfo contains NSDictionary with payload
UIApplicationLaunchOptionsLocalNotificationKey NS_AVAILABLE_IOS(4_0); // userInfo contains a UILocalNotification
UIContentSizeCategoryDidChangeNotification NS_AVAILABLE_IOS(7_0); // userInfo dictionary will contain new value for UIContentSizeCategoryNewValueKey
UIApplicationUserDidTakeScreenshotNotification NS_AVAILABLE_IOS(7_0);
头文件：./Headers/UIDevice.h
UIDeviceOrientationDidChangeNotification;
UIDeviceBatteryStateDidChangeNotification NS_AVAILABLE_IOS(3_0);
UIDeviceBatteryLevelDidChangeNotification NS_AVAILABLE_IOS(3_0);
UIDeviceProximityStateDidChangeNotification NS_AVAILABLE_IOS(3_0);
头文件：./Headers/UIDocument.h
UIDocumentStateChangedNotification NS_AVAILABLE_IOS(5_0);
头文件：./Headers/UILocalNotification.h
UILocalNotificationDefaultSoundName NS_AVAILABLE_IOS(4_0);
头文件：./Headers/UIMenuController.h
UIMenuControllerWillShowMenuNotification;
UIMenuControllerDidShowMenuNotification;
UIMenuControllerWillHideMenuNotification;
UIMenuControllerDidHideMenuNotification;
UIMenuControllerMenuFrameDidChangeNotification;
头文件：./Headers/UIPasteboard.h
UIPasteboardChangedNotification;
UIPasteboardRemovedNotification;
头文件：./Headers/UIScreen.h
UIScreenDidConnectNotification NS_AVAILABLE_IOS(3_2);
UIScreenDidDisconnectNotification NS_AVAILABLE_IOS(3_2);
UIScreenModeDidChangeNotification NS_AVAILABLE_IOS(3_2);
UIScreenBrightnessDidChangeNotification NS_AVAILABLE_IOS(5_0);
头文件：./Headers/UITableView.h
UITableViewSelectionDidChangeNotification;
头文件：./Headers/UITextField.h
UITextFieldTextDidBeginEditingNotification;
UITextFieldTextDidEndEditingNotification;
UITextFieldTextDidChangeNotification;
头文件：./Headers/UITextInput.h
UITextInputCurrentInputModeDidChangeNotification NS_AVAILABLE_IOS(4_2);
头文件：./Headers/UITextView.h
UITextViewTextDidBeginEditingNotification;
UITextViewTextDidChangeNotification;
UITextViewTextDidEndEditingNotification;
头文件：./Headers/UIWindow.h
UIWindowDidBecomeVisibleNotification;
UIWindowDidBecomeHiddenNotification;
UIWindowDidBecomeKeyNotification;
UIWindowDidResignKeyNotification;
UIKeyboardWillShowNotification;
UIKeyboardDidShowNotification;
UIKeyboardWillHideNotification;
UIKeyboardDidHideNotification;
UIKeyboardWillChangeFrameNotification NS_AVAILABLE_IOS(5_0);
