iOS simulator가 해결되고 나니 이번엔 안드로이드 오류...
CommandError: No Android connected device found, and no emulators could be started automatically. Please connect a device or create an emulator (https://docs.expo.dev/workflow/android-studio-emulator). Then follow the instructions here to enable USB debugging: https://developer.android.com/studio/run/device.html#developer-device-options. If you are using Genymotion go to Settings -> ADB, select "Use custom Android SDK tools", and point it at your Android SDK directory.
Android Studio Emulator 해결방법 ↓↓↓
https://docs.expo.dev/workflow/android-studio-emulator/
Android Studio Emulator
Learn how to set up the Android Emulator to test your app on a virtual Android device.
docs.expo.dev
이제 a를 누르면 Android Studio Emulator가 열립니다
