# Metro Bundler/Android Emulator **URL:** \ **Category:** React Native\ **Created:** [August 10, 2021, 9:14pm UTC](https://forum.codewithmosh.com/t/metro-bundler-android-emulator/6717 "2021-08-10T21:14:18Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![dr.mabus](https://avatars.discourse-cdn.com/v4/letter/d/a9a28c/32.png) [@dr.mabus](https://forum.codewithmosh.com/u/dr.mabus)\ **Post date:** [August 10, 2021, 9:14pm UTC](https://forum.codewithmosh.com/t/metro-bundler-android-emulator/6717/1 "2021-08-10T21:14:18Z")
I am currently working thru the react native course. When I try to open an Android Emulator from the metro bundler I get errors and or it just does not work? Any suggestions as how to connect the two? ---
**Author:** ![dr.mabus](https://avatars.discourse-cdn.com/v4/letter/d/a9a28c/32.png) [@dr.mabus](https://forum.codewithmosh.com/u/dr.mabus)\ **Post date:** [August 10, 2021, 11:37pm UTC](https://forum.codewithmosh.com/t/metro-bundler-android-emulator/6717/2 "2021-08-10T23:37:40Z")
This is The error code I get… Couldn’t start project on Android: No Android connected device found, and no emulators could be started automatically. Please connect a device or create an emulator ([Android Studio Emulator - Expo Documentation](https://docs.expo.io/workflow/android-studio-emulator)). Then follow the instructions here to enable USB debugging: [Cómo ejecutar apps en un dispositivo de hardware](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. ---
**Author:** ![dpickut](https://avatars.discourse-cdn.com/v4/letter/d/a87d85/32.png) [@dpickut](https://forum.codewithmosh.com/u/dpickut)\ **Post date:** [August 14, 2021, 12:35pm UTC](https://forum.codewithmosh.com/t/metro-bundler-android-emulator/6717/3 "2021-08-14T12:35:47Z")
I’ve found Expo and Metro Bundler are good at connecting to emulators – if you have one running before you start the app. Do you have Android Studio installed and have you launched an emulator via the “AVD Manager” option in the “Configure” menu?