Followed the steps here to try react-native android on a windows box.
cmd + M (Ctrl + M for windows) to open your dev menu for the emulator (Please make sure your react-native app is open in the active window of the android emulator before using this command)Dev SettingsDebugging select Debug server host & port for device10.0.2.2:8088Once you do that you can reload your application and it should work.