Book Image

React and React Native - Fourth Edition

By : Adam Boduch, Roy Derks, Mikhail Sakhniuk
Book Image

React and React Native - Fourth Edition

By: Adam Boduch, Roy Derks, Mikhail Sakhniuk

Overview of this book

Over the years, React and React Native has proven itself among JavaScript developers as a popular choice for a complete and practical guide to the React ecosystem. This fourth edition comes with the latest features, enhancements, and fixes to align with React 18, while also being compatible with React Native. It includes new chapters covering critical features and concepts in modern cross-platform app development with React. From the basics of React to popular components such as Hooks, GraphQL, and NativeBase, this definitive guide will help you become a professional React developer in a step-by-step manner. You'll begin by learning about the essential building blocks of React components. As you advance through the chapters, you'll work with higher-level functionalities in application development and then put your knowledge to work by developing user interface components for the web and native platforms. In the concluding chapters, you'll learn how to bring your application together with robust data architecture. By the end of this book, you'll be able to build React applications for the web and React Native applications for multiple mobile platforms.
Table of Contents (36 chapters)
1
Part 1 – React
15
Part 2 – React Native
31
Part 3 – React Architecture

Rendering icons

In the final section of this chapter, you'll learn how to render icons in React Native components. Using icons to indicate meaning makes web applications more usable. So, why should native mobile applications be any different?

We'll use the @expo/vector-icons package to pull various vector font packages into your React Native app. This package is already part of the Expo project that we use as base of the app and now, you can import Icon components and render them. Let's implement an example that renders several FontAwesome icons based on a selected icon category:

import React, { useState, useEffect } from "react";
import { View, FlatList, Text } from "react-native";
import { Picker } from "@react-native-picker/picker";
import Icon from "@expo/vector-icons/FontAwesome";
import styles from "./styles";
import iconNames from "./icon-names.json";
export default function RenderingIcons() {
...