UI scroll hitch

Asked on 03/03/2025

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It seems like you're interested in UI scroll hitches, which can be related to the performance and smoothness of scroll views in an app. At WWDC 2024, there were several sessions that discussed enhancements and customizations for scroll views in SwiftUI, which might help address issues like scroll hitches.

  1. Create custom visual effects with SwiftUI: This session explores how to create custom scroll effects using SwiftUI, including scroll transitions that can change the rotation and offset of elements based on their position in the scroll view. This can help create unique and smooth scrolling experiences. You can learn more about these techniques in the Scroll effects chapter.

  2. What’s new in SwiftUI: This session highlights new programmatic controls over scroll views, such as more scroll positions and the ability to turn off bouncing along a given axis. These enhancements can help you fine-tune the scrolling experience to reduce hitches. Check out the Scrolling enhancements chapter for more details.

  3. Migrate your TVML app to SwiftUI: This session discusses new view modifiers specific to scroll views in tvOS 18, which can be used to manage the visibility of elements as they scroll off-screen. This can help in creating a more seamless scrolling experience. You can explore these techniques in the Catalogs chapter.

These sessions provide insights into how you can enhance the scrolling experience in your apps using SwiftUI, potentially addressing issues like scroll hitches.

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