Instance Method

application(_:willChangeStatusBarFrame:)

Tells the delegate when the frame of the status bar is about to change.

Declaration

optional func application(_ application: UIApplication, willChangeStatusBarFrame newStatusBarFrame: CGRect)

Parameters

application

Your singleton app object.

newStatusBarFrame

The changed frame of the status bar, in screen coordinates.

Discussion

The app calls this method when it receives a setStatusBarOrientation(_:animated:) message and is about to change the interface orientation.

After calling this method, the app also posts a willChangeStatusBarFrameNotification notification to give interested objects a chance to respond to the change.

See Also

Managing Interface Geometry

func application(UIApplication, supportedInterfaceOrientationsFor: UIWindow?) -> UIInterfaceOrientationMask

Asks the delegate for the interface orientations to use for the view controllers in the specified window.

func application(UIApplication, willChangeStatusBarOrientation: UIInterfaceOrientation, duration: TimeInterval)

Tells the delegate when the interface orientation of the status bar is about to change.

Deprecated
func application(UIApplication, didChangeStatusBarOrientation: UIInterfaceOrientation)

Tells the delegate when the interface orientation of the status bar has changed.

Deprecated
func application(UIApplication, didChangeStatusBarFrame: CGRect)

Tells the delegate when the frame of the status bar has changed.

Deprecated
enum UIInterfaceOrientation

The orientation of the app's user interface.

struct UIInterfaceOrientationMask

These constants are mask bits for specifying a view controller’s supported interface orientations.

class let invalidInterfaceOrientationException: NSExceptionName

This exception is thrown if a view controller or the app returns 0 instead of a valid set of supported interface orientation values. It is also thrown if the orientation returned by a view controller’s preferredInterfaceOrientationForPresentation method does not match one of the view controller’s supported orientations.