You can refer installation process described by react as following
https://facebook.github.io/react-native/docs/getting-started.html
It mentions that emulator manager can be invoked by
android avb
However, it is unavailable for newly version of Android Studio and it shows
What happen if we ignore the above and execute react-native run-android ?
No doubt, errors show to break my heart. React tells you that running android emulator is required for running react-native android app.
In order to solve the problem, you have to find android first. In mac, it would be
~/Library/Android/sdk/tools
then run
emulator -list-avds
If you have completed installation process of android studio and configured emulator properly, you will show available device name.
* If it does not display any device, you must config emulator device from android studio
next run
emulator -avd <device name>
Please replace <device name> as your available devices, for example
emulator -avd Nexus_5_API_25
then, emulator will be invoked
After booting, you can run react-native app by executing
react-native run-andriod
* about :app:installDebug FAILED, please check whether VM is running in your environment such as Docker. Before you start android emulator, please stop those VMs
