React Native.md

React Native

Setup Overview

Development Tools

• Xcode
• Xcode Command Line Tools
• CocoaPods
• Android Studio
• Node
• Watchman
• OpenJDK

Base Setup

Install base environment

brew install node
brew install watchman

Android Setup

Install Java 11 JDK

brew install --cask homebrew/cask-versions/zulu11

Install Android Studio

brew install --cask android-studio

Android environment setup instructions

• https://reactnative.dev/docs/environment-setup
• Refer to: React Native CLI Quickstart -> macOS -> Android

iOS Setup

Install iOS environment

• Manually install Xcode via the Apple App Store

Install Cocoapods (iOS)

sudo gem install cocoapods

iOS environment setup instructions

• https://reactnative.dev/docs/environment-setup
• Refer to: React Native CLI Quickstart -> macOS -> iOS

React Native CLI

Run React Native CLI commands

npx react-native <command>

Show system and React Native info

npx react-native info

Projects

Create Project

Initialize new project

npx react-native init <app-name>
cd <app-name>

Run Server

Start server (and optionally reset cache)

npx react-native start
npx react-native start --reset-cache

Install and Run App

Build, install and run app on iOS Simulator / Android Emulator

npx react-native run-ios
npx react-native run-android

Emulator / Simulator Commands

Show development / debug menu

• CMD + M (Android)
• CMD + D (iOS)
• Shake (Hardware Device)

Reload application

• R + R (Android)
• R (iOS)

Android Tips

Unable to connect to remote debugger

Open in browser first

http://localhost:8081/debugger-ui/

Configure reverse socket connection for react native server

adb reverse tcp:8081 tcp:8081

iOS Tips

Install pods (run from within project directory)

npx pod-install