- iOS 2.0+
- macOS 10.5+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- Core Animation
An object that manages image-based content and allows you to perform animations on that content.
Methods your app can implement to respond to layer-related events.
A representation of a single layout constraint between two layers.
Methods that allow an object to manage the layout of a layer and its sublayers.
An object that provides a constraint-based layout manager.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software