Posted when a split view controller is expanded or collapsed.
- iOS 8.0+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
When a view controller is using
showDetailViewController:sender:, it may need to know when a split view controller higher in the view hierarchy has changed. This notification is sent when a split view controller expands or collapses. The object of this notification is the view controller that caused the change.
Presenting a View Controller
A Boolean value indicating whether the view controller enforces a modal behavior.
A Boolean value that indicates whether this view controller's view is covered when the view controller or one of its descendants presents a view controller.
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