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Mastering React Native

You're reading from   Mastering React Native Learn Once, Write Anywhere

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Product type Paperback
Published in Jan 2017
Publisher Packt
ISBN-13 9781785885785
Length 496 pages
Edition 1st Edition
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Authors (2):
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Eric Masiello Eric Masiello
Author Profile Icon Eric Masiello
Eric Masiello
Jacob Friedmann Jacob Friedmann
Author Profile Icon Jacob Friedmann
Jacob Friedmann
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Table of Contents (13) Chapters Close

Preface 1. Building a Foundation in React FREE CHAPTER 2. Saying HelloWorld in React Native 3. Styling and Layout in React Native 4. Starting our Project with React Native Components 5. Flux and Redux 6. Integrating with the NYT API and Redux 7. Navigation and Advanced APIs 8. Animation and Gestures in React Native 9. Refactoring for Android 10. Using and Writing Native Modules 11. Preparing for Production 12. React Native Tools and Resources

Running on physical devices

Up to this point, we've been running our application strictly on simulated hardware. It is important that we take it one step further and run on actual mobile devices to be sure the application performs in the way that we expect. In this section, we'll discuss running React Native applications on both iOS and Android devices.

Debugging on an iOS device

Before submitting your app to the App Store, it's highly recommended that you first test your app on physical hardware. In fact, the more devices you can test on, the better. Simulators are great for rapid development testing, but they don't give you an honest sense of how the app feels in your hands. Are the touch targets large enough? Are the animations smooth on lower end hardware? Does the app feel responsive? These are all questions that are best answered with actual device testing.

Not long ago, Apple required that developers pay $99/year to join the Apple Developer Program in order test...

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