what's the api to make clear glass ?
Asked on 06/12/2025
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To create a clear glass effect in your app, you can use the Liquid Glass API introduced by Apple. Specifically, you can use the UIVisualEffectView with a UIGlassEffect in UIKit or the NSGlassEffectView in AppKit.
For UIKit, you can customize the glass effect using the new corner configuration API, which allows the glass to adapt its appearance based on its size and the selected user interface style. You can also add content like labels and images using the Visual Effects view's content view. Here's a brief overview of how to implement it:
- Create a
UIVisualEffectView. - Set a
UIGlassEffectin an animation block to make the glass appear. - Customize the shape using the corner configuration API.
- Add content to the glass using the content view.
For AppKit, you can use the NSGlassEffectView to place your content on glass. You can customize the appearance of the glass using properties like corner radius and tint color.
For more detailed guidance, you can refer to the session Build a UIKit app with the new design (19:15) and Build an AppKit app with the new design (17:30) from WWDC 2025.
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 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.
Meet Liquid Glass
Liquid Glass unifies Apple platform design language while providing a more dynamic and expressive user experience. Get to know the design principles of Liquid Glass, explore its core optical and physical properties, and learn where to use it and why.