Previews in Xcode become more powerful every year. Previews in Xcode are not about SwiftUI; you can use them even with UIKit. This week, we will talk about enhancing Previewable and PreviewModifier types, allowing us to build reusable preview environments.

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Discover the enhanced capabilities of previews in Xcode, especially with the recent updates in Xcode 16. Using the Previewable macro type, you can now simplify state definition within the Preview macro, reducing clutter in your codebase. Additionally, the PreviewModifier protocol allows for the creation of reusable preview environments, significantly improving performance and efficiency when previewing multiple instances with shared traits.

The power of previews in Xcode