expo Webview 적용

https://docs.expo.dev/versions/latest/sdk/webview/

npx expo install react-native-webview

source={{ uri: 'https://expo.dev' }}

이거 하면 잘되는데

source={{ uri: 'http://localhost:3000/' }}

안됌!
https://stackoverflow.com/questions/44702554/cant-connect-to-localhost-in-react-native-webview
에보면

화면 바로뜸!!