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React and React Native

You're reading from   React and React Native Build cross-platform JavaScript apps with native power for mobile, web and desktop

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781786465658
Length 500 pages
Edition 1st Edition
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Author (1):
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Adam Boduch Adam Boduch
Author Profile Icon Adam Boduch
Adam Boduch
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Table of Contents (27) Chapters Close

Preface 1. Why React? FREE CHAPTER 2. Rendering with JSX 3. Understanding Properties and State 4. Event Handling – The React Way 5. Crafting Reusable Components 6. The React Component Lifecycle 7. Validating Component Properties 8. Extending Components 9. Handling Navigation with Routes 10. Server-Side React Components 11. Mobile-First React Components 12. Why React Native? 13. Kickstarting React Native Projects 14. Building Responsive Layouts with Flexbox 15. Navigating Between Screens 16. Rendering Item Lists 17. Showing Progress 18. Geolocation and Maps 19. Collecting User Input 20. Alerts, Notifications, and Confirmation 21. Responding to User Gestures 22. Controlling Image Display 23. Going Offline 24. Handling Application State 25. Why Relay and GraphQL? 26. Building a Relay React App

Chapter 21. Responding to User Gestures

All of the examples that you've implemented so far in this book have relied on user gestures. In traditional web applications, you generally worry about mouse events. However, touchscreens rely on the user manipulating elements with their fingers—fundamentally different from the mouse.

The goal of this chapter is to show you how the gesture response system inside of React Native works and some of the ways this system is exposed to us through components.

We'll begin with scrolling. This is probably the common gesture, besides touch. Then, we'll talk about giving the user the appropriate level of feedback when they interact with our components. Finally, we'll implement components that can be swiped.

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