C:\Users\wytrzeszcz\Documents\git\react-native-camera\Example>react-native run-android
Starting JS server...
'adb' is not recognized as an internal or external command,
operable program or batch file.
Building and installing the app on the device (cd android && gradlew.bat installDebug)...

FAILURE: Build failed with an exception.

* Where:
Build file 'C:\Users\wytrzeszcz\Documents\git\react-native-camera\Example\android\build.gradle' line: 24

* What went wrong:
A problem occurred evaluating root project 'Example'.
> Could not find method android() for arguments [build_30jmx9eqbxkzx18r3qab0zswt$_run_closure2@397ef2] on root project 'Example'.

* 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: 3.69 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

(node:9080) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 2): TypeError: Cannot read property 'message' of undefined
(node:9080) DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

C:\Users\wytrzeszcz\Documents\git\react-native-camera\Example>