The delegate of a preview controller must adopt this protocol.
- iOS 4.0+
- Mac Catalyst 13.0+
The delegate of a
QLPreview object must adopt this protocol to:
Provide a zoom animation for Quick Look previews.
Specify whether or not your application opens a URL that the user taps in a preview.
Respond to the opening or closing of a preview.
The methods described here are optional but expected.