PreviewViewControllerDelegate

public protocol PreviewViewControllerDelegate : AnyObject, UnimplementedLogging

PreviewViewControllerDelegate allows to observe Banner presentation and dismissal events.


                    
                    
                    previewViewController(_:willPresent:)

Default implementation

Tells the delegate that the Banner is about to be presented on the screen.

UnimplementedLogging prints a warning to standard output the first time this method is called.

Swift

func previewViewController(_ previewViewController: PreviewViewController,
                           willPresent banner: Banner)

`previewViewController`	`PreviewViewController` instance that performs banner presentation.
`banner`	`Banner` that will be presented.


                    
                    
                    previewViewController(_:didPresent:)

Default implementation

Tells the delegate that the Banner was presented on the screen.

UnimplementedLogging prints a warning to standard output the first time this method is called.

Swift

func previewViewController(_ previewViewController: PreviewViewController,
                           didPresent banner: Banner)

`previewViewController`	`PreviewViewController` instance that performs banner presentation.
`banner`	`Banner` that was presented.


                    
                    
                    previewViewController(_:willDismiss:)

Default implementation

Tells the delegate that the Banner will disappear from the screen.

UnimplementedLogging prints a warning to standard output the first time this method is called.

Swift

func previewViewController(_ previewViewController: PreviewViewController,
                           willDismiss banner: Banner)

`previewViewController`	`PreviewViewController` instance that performs banner dismissal.
`banner`	`Banner` that will be dismissed.


                    
                    
                    previewViewController(_:didDismiss:)

Default implementation

Tells the delegate that the Banner disappeared from the screen.

UnimplementedLogging prints a warning to standard output the first time this method is called.

Swift

func previewViewController(_ previewViewController: PreviewViewController,
                           didDismiss banner: Banner)

`previewViewController`	`PreviewViewController` instance that performs banner dismissal.
`banner`	`Banner` that was dismissed.