In iOS26 how do I customize the cornerradius of the sheets.
Asked on 2026-01-13
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In iOS 26, you can customize the corner radius of sheets using the new design system. The sheets in iOS 26 have an updated design that adapts their appearance from smaller to larger heights, taking advantage of the new glass appearance. To customize the corner radius, you can use the new corner configuration API, which allows the corners to automatically adapt to their container. This means that as the view moves closer to the container's corner, its corner radius adapts automatically, and when moving further away, the corner radius decreases.
For more detailed information on how to implement this, you can refer to the session Build a UIKit app with the new design (13:31) where presentations and their customization are discussed.
Build a UIKit app with the new design
Update your UIKit app to take full advantage of the new design system. We’ll dive into key changes to tab views, split views, bars, presentations, search, and controls, and show you how to use Liquid Glass in your custom UI. To get the most out of this video, we recommend first watching “Get to know the new design system” for general design guidance.
Build a SwiftUI app with the new design
Explore the ways Liquid Glass transforms the look and feel of your app. Discover how this stunning new material enhances toolbars, controls, and app structures across platforms, providing delightful interactions and seamlessly integrating your app with the system. Learn how to adopt new APIs that can help you make the most of Liquid Glass.
Make your UIKit app more flexible
Find out how your UIKit app can become more flexible on iPhone, iPad, Mac, and Apple Vision Pro by using scenes and container view controllers. Learn to unlock your app’s full potential by transitioning from an app-centric to a scene-based lifecycle, including enhanced window resizing and improved multitasking. Explore enhancements to UISplitViewController, such as interactive column resizing and first-class support for inspector columns. And make your views and controls more adaptive by adopting new layout APIs.