Instance Method

applicationProtectedDataDidBecomeAvailable(_:)

Tells the delegate that protected files are available now.

Declaration

optional func applicationProtectedDataDidBecomeAvailable(_ application: UIApplication)

Parameters

application

Your singleton app object.

Discussion

On a device that uses content protection, protected files are stored in an encrypted form and made available only at certain times, usually when the device is unlocked. This notification lets your app know that the device is now unlocked and that you may access certain types of protected files again.

See Also

Responding to Environment Changes

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 didReceiveMemoryWarningNotification: NSNotification.Name

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

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.

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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