How to run React Native App using Android Studio Emulator

In this article, we take a look at how to run React Native App in Android Studio Emulator, step-by-step.

1. Install NodeJS.

   Windows: Download Setup - https://nodejs.org

   Mac (macOS): Follow Tutorial: https://code2care.org/tutorial/quick-steps-to-install-nodejs-on-macos

2. Install React Native CLI using npm,

   % npm install -g react-native-cli

3. Create a react-native project,

   % react-native init my_android_app

4. Create and run Android Emulator using Android Studio,
   
5. Create environment variable ANDROID_HOME as C:\Users\c2c\AppData\Local\Android\sdk
6. Run the app using the command,

   % npx react-native run-android

If you do not launch the emulator you get an error,

error Failed to launch the emulator. Reason: No emulators found as an output of `emulator -list-avds`.
warn Please launch an emulator manually or connect a device. Otherwise, the app may fail to launch.