Could not connect to React Native development server on Android

Question

When I run react-native run-android, it gives me the following error:

Could not connect to development server

Answer 1

Easiest for MAC. Get ip address of your wifi network via ipconfig getifaddr en0. Then write that ip to your DEV settings -> Debug server host & port for device adding :8081 example. 192.21.22.143:8081. Then reload. That's it