Lesson 5: Running Expo on Real Devices and Simulators

Running Expo on Real Devices and Simulators

1. Running on Real Devices:

   • Install the Expo Go app from the App Store or Google Play Store.
   • Open your Expo project in your code editor.
   • Start the development server:
     expo start

   • Scan the QR code with the Expo Go app to run your project.

2. Setting Up Android Emulator:

   • Download and install Android Studio from Android Studio website.
   • Create a new AVD (Android Virtual Device) and start it.
   • Use expo start to launch your project on the emulator.

3. Setting Up iOS Simulator:

   • Install Xcode from the Mac App Store.
   • Open the simulator from Xcode: Xcode > Open Developer Tool > Simulator.
   • Use expo start to launch your project on the simulator.

4. Real-World Scenario:

   • For “JUST-Learning”, ensure your app works seamlessly on both Android and iOS to provide a smooth learning experience for all users.

Conclusion: Testing your Expo app on real devices and simulators ensures compatibility and helps catch platform-specific issues early in the development process. This practice is crucial for delivering a high-quality user experience.