what is alternative of .glassEffectUnion in UIKit
Asked on 2025-10-14
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The alternative to .glassEffectUnion in UIKit is the use of the new Liquid Glass material. To achieve similar effects, you can use the UIVisualEffectView with a custom UIGlassEffect. This allows you to create interactive layers that float above your content, providing a distinct control layer. You can customize the appearance of the glass using the corner configuration API and adapt it to light or dark mode based on the user interface style.
For more detailed guidance on implementing this in your UIKit app, you can refer to the session Build a UIKit app with the new design (19:15).

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.

What’s new in UIKit
Modernize your app with the latest APIs in UIKit, including enhanced menu bar support, automatic observation tracking, a new UI update method, and improvements to animations. We’ll also cover how you can include SwiftUI scenes in your UIKit app and explore SF Symbols, HDR color pickers, and more.

Build an AppKit app with the new design
Update your AppKit 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.
