Subi o emulador e deixei ele rodando entao dei o comando react-native start na pasta do projeto e o no outro terminal dei react-native run-android mas recebi este erro
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring root project 'InstaluraMobile'.
> Could not resolve all dependencies for configuration ':classpath'.
> Could not resolve com.android.tools.build:gradle:2.2.3.
Required by:
:InstaluraMobile:unspecified
> Could not resolve com.android.tools.build:gradle:2.2.3.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/2.2.3/gradle-2.2.3.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/gradle/2.2.3/gradle-2.2.3.pom'.
> jcenter.bintray.com
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.