matthew as a q.

競技プログラミングメイン

How to solve the failure with react-native run-android

Error Message

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:preparePocketsecReactNativeVectorIconsUnspecifiedLibrary'.
> Could not expand ZIP '${your_application_path}\node_modules\react-native-vector-icons\android\build\outputs\aar\react-native-vector-icons-release.aar'.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 14.768 secs
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

Assumption

Spec

State

  • Android Emulator has beed executed.

How to solve

  • execute following:
adb devices

This command finds and shows a list of android devices. In addition, if daemon is not running, this command make it running. The error I experienced is caused by not running daemon. Therefore, this command helps me.