Shadow Card
A control that's an empty box with a shadow
iOS (UIKit) is being deprecated
Thumbprint on iOS is transitioning from UIKit to SwiftUI, and this documentation is no longer being supported. Please refer to the SwiftUI documentation when available.
Summary
This control is a UIView
with a default appearance and a highlighted appearance.

let shadowCard = ShadowCard()

shadowCard.isHighlighted = true
It's also possible to provide a custom shadow image.
let shadowCard = ShadowCard(shadowImage: UIImage(named: "funky-shadow"))