React Native Quick Start Guide

A comprehensive introduction to building native mobile apps with React

What is React Native?

React Native is a framework developed by Facebook that allows you to build native mobile applications using JavaScript and React. It enables you to create mobile apps that can run on both iOS and Android platforms using a single codebase.

Cross-Platform JavaScript Native Performance

Core Concepts

  • Components as building blocks
  • Native bridge architecture
  • Platform-specific code
  • Flexbox layout system

Key Benefits

  • Write once, run anywhere
  • Native performance
  • Hot reloading
  • Large ecosystem

Development Setup

  • Node.js & npm
  • React Native CLI
  • Xcode (iOS)
  • Android Studio

Basic Component Example

import React from 'react';
import { View, Text, StyleSheet } from 'react-native';

const HelloWorld = () => {
    return (
        
            
                Hello, React Native!
            
        
    );
};

const styles = StyleSheet.create({
    container: {
        flex: 1,
        justifyContent: 'center',
        alignItems: 'center',
    },
    text: {
        fontSize: 24,
        fontWeight: 'bold',
    },
});

export default HelloWorld;

Essential Glossary