legibleMenuController(_:didRequestCaptionPreviewForProfileID:)
Declaration
optional func legibleMenuController(_ menuController: AVLegibleMediaOptionsMenuController, didRequestCaptionPreviewForProfileID profileID: String)Parameters
- menuController:
The legible options menu controller.
- profileID:
MACaptionAppearance profile ID as an NSString for the caption style to preview
Discussion
Called when a caption preview should be displayed
The client should display a caption preview using the MACaptionAppearance profile ID provided. The client is responsible for rendering and positioning the preview.