UIViewControllerPreviewing
A set of methods that define the interface for configuring a previewing view controller on devices that support 3D Touch.
Declaration
@MainActor protocol UIViewControllerPreviewing : NSObjectProtocolOverview
The system returns a context object conforming to this protocol when you call a view controller’s registerForPreviewing(with:sourceView:) method. This method registers the view controller to participate in 3D Touch preview (peek) and commit (pop) behaviors.
To learn about 3D Touch, read Adopting 3D Touch on iPhone.