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Install Node.js
Node.js: https://nodejs.org -
Create a new project
# Create new Expo project
npx create-expo-app hello-world
# Move into project folder
cd hello-world
# Start Expo development server
npx expo start
(If npx expo start doesn't work try npx expo start --tunnel)
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Open the app in Expo GoLinks to an external site. on your phone.
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Replace the default text with your own custom message.
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Change the background color of the main view.
This is an Expo project created with create-expo-app.
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Install dependencies
npm install
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Start the app
npx expo start
In the output, you'll find options to open the app in a
- development build
- Android emulator
- iOS simulator
- Expo Go, a limited sandbox for trying out app development with Expo
You can start developing by editing the files inside the app directory. This project uses file-based routing.
When you're ready, run:
npm run reset-projectThis command will move the starter code to the app-example directory and create a blank app directory where you can start developing.
To learn more about developing your project with Expo, look at the following resources:
- Expo documentation: Learn fundamentals, or go into advanced topics with our guides.
- Learn Expo tutorial: Follow a step-by-step tutorial where you'll create a project that runs on Android, iOS, and the web.
Join our community of developers creating universal apps.
- Expo on GitHub: View our open source platform and contribute.
- Discord community: Chat with Expo users and ask questions.