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React and React Native

You're reading from   React and React Native Build cross-platform JavaScript and TypeScript apps for the web, desktop, and mobile

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Product type Paperback
Published in Apr 2024
Publisher Packt
ISBN-13 9781805127307
Length 508 pages
Edition 5th Edition
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Authors (3):
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Adam Boduch Adam Boduch
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Adam Boduch
Mikhail Sakhniuk Mikhail Sakhniuk
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Mikhail Sakhniuk
Roy Derks Roy Derks
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Roy Derks
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Toc

Table of Contents (33) Chapters Close

Preface 1. Part I: React
2. Why React? FREE CHAPTER 3. Rendering with JSX 4. Understanding React Components and Hooks 5. Event Handling in the React Way 6. Crafting Reusable Components 7. Type-Checking and Validation with TypeScript 8. Handling Navigation with Routes 9. Code Splitting Using Lazy Components and Suspense 10. User Interface Framework Components 11. High-Performance State Updates 12. Fetching Data from a Server 13. State Management in React 14. Server-Side Rendering 15. Unit Testing in React 16. Part II: React Native
17. Why React Native? 18. React Native under the Hood 19. Kick-Starting React Native Projects 20. Building Responsive Layouts with Flexbox 21. Navigating Between Screens 22. Rendering Item Lists 23. Geolocation and Maps 24. Collecting User Input 25. Responding to User Gestures 26. Showing Progress 27. Displaying Modal Screens 28. Using Animations 29. Controlling Image Display 30. Going Offline 31. Other Books You May Enjoy
32. Index

The Animated API

The Animated API is the most common tool used to animate components in React Native. It has a set of methods that help you to create an animation object, control its state, and process it. The main benefit is that it can be used with any component, and not just animated components such as View or Text.

But, at the same time, this API has been implemented in the old architecture of React Native. Asynchronous communications between JavaScript and UI Native threads are used with the Animated API, delaying updates by at least one frame and lasting approximately 16 ms. Sometimes, the delay may last even longer if the JavaScript thread is running React’s diff algorithm and comparing or processing network requests simultaneously. The problem of dropped or delayed frames can be solved with the React Native Reanimated library, which is based on the new architecture and processes all business logic from the JavaScript thread in the UI thread.

React Native Reanimated...

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