~/talk

Declarative future of gestures and animations in React Native

Talkat ReactEurope 2018 · on Thursday, 2018-05-17· [react-native]

Argues that moving gesture recognition and animation logic off the JS thread prevents frame drops, demonstrates JS fps falling from ~60 to ~20 when JS blocks, and shows a working declarative image preview built without imperative callbacks. Uses react-native-gesture-handler to run gesture logic on the native/UI thread, leverages the useNativeDriver idea for events, and introduces reanimated as a JavaScript-based animation engine that is 100% imperative-free and successfully reproduces bouncy pinch/decay interactions.

AI-written summary · about

  1. 0:00Introduction
  2. 1:25Understanding animations
  3. 10:30Gesture handler system
  4. 15:21React Native Gesture Handler
  5. 22:00Reanimated library
  6. 27:14Conclusion
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