can we adjust size of bottomAccessory
Asked on 2025-08-26
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Yes, you can adjust the size of the bottom accessory in a UIKit app. To do this, you create a UITabAccessory
with your content view and set the bottom accessory property on the UITabBarController
. When the accessory is in line with the tab bar, there is less space available to display it, so you may need to adjust the content of your accessory view accordingly. You can observe changes to the Tab Accessory Environment Trait and update the view if needed. For more details, you can refer to the session Build a UIKit app with the new design.

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.

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.