Book Image

React Native Cookbook. - Second Edition

By : Daniel Ward
4 (1)
Book Image

React Native Cookbook. - Second Edition

4 (1)
By: Daniel Ward

Overview of this book

If you are a developer looking to create mobile applications with maximized code reusability and minimized cost, React Native is what you need. With this practical guide, you’ll be able to build attractive UIs, tackle common problems in mobile development, and achieve improved performance in mobile environments. This book starts by covering the common techniques for React Native customization and helps you set up your development platforms. Over the course of the book, you’ll work through a wide variety of recipes that help you create, style, and animate your apps with built-in React Native and custom third-party components. You’ll also develop real-world browser-based authentication, build a fully functional audio player, and integrate Google Maps in your apps. This book will help you explore different strategies for working with data, including leveraging the popular Redux library and optimizing your app’s dataflow. You’ll also learn how to write native device functionality for new and existing React Native projects and how app deployment works. By the end of this book, you'll be equipped with tips and tricks to write efficient code and have the skills to build full iOS and Android applications using React Native.
Table of Contents (17 chapters)

Getting the most out of ListView

React Native provides a pretty performant list component out of the box. It is extremely flexible, supports rendering almost any component you can imagine inside of it, and renders them rather quickly. If you'd like to read some more examples of how to work with ListView, there are a couple of recipes in this book, including Displaying a list of items in Chapter 2, Creating a Simple React Native App, that use it. The React Native ListView is built on top of ScrollView to achieve the flexibility of rendering variable-height rows with any view component.

The major performance and resource drawback of the ListView component occurs when you are working with an extremely large list. As the user scrolls through the list, the next page of rows is rendered at the bottom. The invisible rows at the top can be set to be removed from the render tree,...