Type Property

protectedDataWillBecomeUnavailableNotification

Posted shortly before protected files are locked down and become inaccessible.

Declaration

class let protectedDataWillBecomeUnavailableNotification: NSNotification.Name

Discussion

Upon receiving this notification, clients should release any references to protected files. This notification does not contain a userInfo dictionary.

See Also

Notifications

class let backgroundRefreshStatusDidChangeNotification: NSNotification.Name

Posted when the app’s status for downloading content in the background changes.

class let didChangeStatusBarFrameNotification: NSNotification.Name

Posted when the frame of the status bar changes.

class let didChangeStatusBarOrientationNotification: NSNotification.Name

Posted when the orientation of the app’s user interface changes.

class let didEnterBackgroundNotification: NSNotification.Name

Posted when the app enters the background.

class let didFinishLaunchingNotification: NSNotification.Name

Posted immediately after the app finishes launching.

class let didReceiveMemoryWarningNotification: NSNotification.Name

Posted when the app receives a warning from the operating system about low memory availability.

class let protectedDataDidBecomeAvailableNotification: NSNotification.Name

Posted when the protected files become available for your code to access.

class let significantTimeChangeNotification: NSNotification.Name

Posted when there is a significant change in time, for example, change to a new day (midnight), carrier time update, and change to or from daylight savings time.

class let userDidTakeScreenshotNotification: NSNotification.Name

Posted when the user presses the Home and Lock buttons to take a screenshot.

class let willChangeStatusBarOrientationNotification: NSNotification.Name

Posted when the app is about to change the orientation of its interface.

class let willChangeStatusBarFrameNotification: NSNotification.Name

Posted when the app is about to change the frame of the status bar.

class let willEnterForegroundNotification: NSNotification.Name

Posted shortly before an app leaves the background state on its way to becoming the active app.

class let willResignActiveNotification: NSNotification.Name

Posted when the app is no longer active and loses focus.

class let willTerminateNotification: NSNotification.Name

Posted when the app is about to terminate.

static let didChangeNotification: NSNotification.Name

Posted when the user changes the preferred content size setting.