Posted when the user changes the preferred content size setting.
SDKs
- iOS 7.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
Framework
- UIKit
Declaration
const NSNotification Name UIContentSizeCategoryDidChangeNotification;
Discussion
This notification is sent when the value in the preferred
property changes. The user
dictionary of the notification contains the UIContent
key, which reflects the new setting.