A custom iOS transition between list and grid layouts in UICollectionView with smooth animations.
DisplaySwitcher is an iOS library that enables smooth animated transitions between list and grid layouts in UICollectionView. It solves the problem of jarring layout switches by providing a polished, interactive transition that maintains scroll position and enhances user experience in apps displaying collections of items.
iOS developers building apps with UICollectionView who need to offer users a choice between list and grid views, such as in social networking apps, dating apps, email clients, or any app featuring lists of contacts or items.
Developers choose DisplaySwitcher because it provides a ready-made, production-tested solution for layout transitions with smooth animations, precise scroll position handling, and easy integration via CocoaPods or Carthage, saving development time compared to building custom transition logic from scratch.
Custom transition between two collection view layouts
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Uses CADisplayLink in TransitionManager for precise frame-by-frame timing, ensuring fluid transitions as detailed in the under-the-hood explanation.
BaseLayout implements custom content offset calculations to maintain user scroll position during layout changes, enhancing UX without jarring jumps.
While demoed for contacts, the library works with any UICollectionView content type, as explicitly stated in the use cases section.
Designed with Sketch and Principle for native iOS feel, offering out-of-the-box polished transitions that save development time.
Specifically built for only list-to-grid transitions, not adaptable to other layout combinations without significant code modification.
Requires overriding multiple UICollectionView methods and managing custom layout classes, increasing setup complexity and potential for errors.
Documentation targets Xcode 11 and Swift 5, which may lag behind current iOS development standards and frameworks like SwiftUI.