Lesson 2: Setting Up Your Development Environment

Setting Up Your Development Environment

1. Install Node.js and npm:

   • Download and install Node.js from Node.js official website.
   • Verify installation:
     node -v
npm -v


2. Install Expo CLI:

   • Expo CLI is a command-line tool that helps you build Expo apps.
     npm install -g expo-cli


3. Install a Code Editor:

   • Use Visual Studio Code, a powerful and popular code editor for JavaScript development.
   • Download from Visual Studio Code website.

4. Set Up Mobile Devices for Testing:

   • Expo Go App: Install the Expo Go app on your iOS or Android device.
   • Emulators/Simulators: Set up Android Studio or Xcode for running your app on virtual devices.

Example Code Section:

Run the above commands to create a new Expo project and start the development server.

Conclusion: Setting up your development environment is a crucial first step in building mobile applications with Expo. With Node.js, npm, Expo CLI, and a suitable code editor, you’re ready to start developing and testing your Expo applications.