A guest post detailing how the Coreviz Studio mobile app recreates the iOS Photos pinch-to-zoom grid interaction in pure React Native/Expo. The key insight: instead of dynamically changing column counts on a single FlashList (which causes janky layout recalculations), the approach stacks multiple pre-rendered grids with fixed
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Why Expo?Challenge: The Zoomable GridThe trick: Stop morphing, start fadingWoah, but isn’t that like very expensive, performance wise?And thus, react-native-zoom-grid is born.See it in action – Studio appSort: