Create project with expo - React Native

Question

I tried create a new project with expo, but I follow steps of expo page. - Install Node.js - npm install expo-cli --global - expo init my-new-project - cd my-new-project - expo start

And when is open Expo DevTools in http://localhost:19002 and appear

- Starting Metro Bundler on port 19001.

- Successfully ran `adb reverse`. Localhost URLs should work on the connected Android device.

- Tunnel ready.

I scan QR, or press run on Android device, this error appears:

Couldn't start project on Android: Cannot read property 'readConfigJsonAsync' of undefined

What happen!!?

Answer 1

Just roll back expo cli to version 2.21.2:

npm install -g [email protected]

Also happened to me after making updates on Yarn, NPM and Expo CLI.

Answer 2

first install expo npm install -g expo-cli

then run this command for create app in react-native with expo expo init AppName

after go to your app cd Appname then run expo app command npm start