react-native run-android 出现如下错误什么意思
react-native run-android 出现如下错误什么意思
BUILD FAILED in 34s
Could not install the app on the device, read the error above for details.
Make sure you have an Android emulator running or a device connected and have
set up your Android development environment:
https://facebook.github.io/react-native/docs/android-setup.html