Type Property

didReceiveMemoryWarningNotification

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

Declaration

class let didReceiveMemoryWarningNotification: NSNotification.Name

Discussion

This notification does not contain a userInfo dictionary.

See Also

Responding to Environment Changes

func applicationProtectedDataDidBecomeAvailable(UIApplication)

Tells the delegate that protected files are available now.

func applicationProtectedDataWillBecomeUnavailable(UIApplication)

Tells the delegate that the protected files are about to become unavailable.

func applicationDidReceiveMemoryWarning(UIApplication)

Tells the delegate when the app receives a memory warning from the system.

func applicationSignificantTimeChange(UIApplication)

Tells the delegate when there is a significant change in the time.

class let protectedDataDidBecomeAvailableNotification: NSNotification.Name

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

class let protectedDataWillBecomeUnavailableNotification: NSNotification.Name

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

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.