Type Property

willTerminateNotification

Posted when the app is about to terminate.

Declaration

class let willTerminateNotification: NSNotification.Name

Discussion

This notification is associated with the delegate applicationWillTerminate(_:) method. This notification does not contain a userInfo dictionary.

See Also

Responding to App Life-Cycle Events

func applicationDidBecomeActive(UIApplication)

Tells the delegate that the app has become active.

func applicationWillResignActive(UIApplication)

Tells the delegate that the app is about to become inactive.

func applicationDidEnterBackground(UIApplication)

Tells the delegate that the app is now in the background.

func applicationWillEnterForeground(UIApplication)

Tells the delegate that the app is about to enter the foreground.

func applicationWillTerminate(UIApplication)

Tells the delegate when the app is about to terminate.

class let didEnterBackgroundNotification: NSNotification.Name

Posted when the app enters the background.

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Posted when the app is no longer active and loses focus.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

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