* What went wrong:
A problem occurred configuring project ':react-native-vector-icons'.

> 
> Could not resolve all files for configuration ':react-native-vector-icons:classpath'.
>  Could not find any matches for com.android.tools.build:gradle:2.3.+ as no versions of com.android.tools.build:gradle are available.
>  Searched in the following locations:
>  <https://jcenter.bintray.com/com/android/tools/build/gradle/maven-metadata.xml>
> <https://jcenter.bintray.com/com/android/tools/build/gradle/>
>  Required by:
>  project :react-native-vector-icons
> 
> 
>