dragInteraction(_:sessionWillBegin:)
Tells the delegate the lift animation has finished and the user is starting to move the items across the screen.
Declaration
optional func dragInteraction(_ interaction: UIDragInteraction, sessionWillBegin session: any UIDragSession)Parameters
- interaction:
The interaction that called this method.
- session:
The current drag session.
Discussion
Implement this method when you need to perform some action after the user starts dragging the items; for instance, dimming the view to show that its contents are being dragged.