How to make pretty animations and transitions in UIKit

Generated on 9/6/2024

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To create pretty animations and transitions in UIKit, you can leverage the new interoperability features between SwiftUI and UIKit introduced in iOS 18. Here are some key points to consider:

  1. SwiftUI Animations in UIKit: You can now use SwiftUI animation types to animate UIKit views. This allows you to utilize the full suite of SwiftUI animations, including custom animations, to create fluid and dynamic transitions in your UIKit apps. This is particularly useful for gesture-driven animations, where the SwiftUI spring animation can maintain continuous velocity across interactive and non-interactive parts of your animation. For more details, you can refer to the session What’s new in UIKit.

  2. Zoom Transitions: iOS 18 introduces a new zoom transition that enhances the sense of continuity in your app by keeping the same UI elements on screen across transitions. This transition is continuously interactive, allowing users to grab and drag elements during the transition. This feature is discussed in the session Enhance your UI animations and transitions.

  3. Bridging Animations: You can bridge SwiftUI animations to UIKit using the new animate method on the context. This allows you to apply any SwiftUI animation to UIView changes, ensuring that animations run perfectly in sync across framework boundaries. This is particularly useful when you have mixed hierarchies of SwiftUI and UIKit views. More information can be found in the session Enhance your UI animations and transitions.

By incorporating these new features, you can create visually appealing and seamless animations and transitions in your UIKit applications.