Notifies you when the size, orientation, or traits of a scene change.
- iOS 13.0+
- Mac Catalyst 13.0+
The window scene object whose environment changed.
The previous coordinate space of the scene. Get the current coordinate space from the
coordinateproperty of the
The previous interface orientation for your content. Get the current interface orientation from the
interfaceproperty of the
The previous traits for the window. Get the current window traits from the
traitproperty of the
The window scene environment typically changes in response to user actions. For example, the interface orientation changes in response to device orientation changes. Similarly, the user may resize scenes on iPad, which causes UIKit to report a change to the scene's coordinate space. Use these changes to make any needed changes to your scene's content or interface.