A common issue with Android Studio behind Corporate Firewalls is fetching dependencies from HTTPS Urls:
FAILURE: Build failed with an exception.The easy solution is to tick the checkbox that says, Android Studio should fallback to http instead of https:
* What went wrong:
A problem occurred configuring project ':app'.
> Could not resolve all dependencies for configuration ':app:_debugCompile'.
> Could not resolve com.facebook.android:facebook-android-sdk:4.9.0.
Required by:
flirtbox_flirtbox-android:app:unspecified
> Could not resolve com.facebook.android:facebook-android-sdk:4.9.0.
> Could not get resource 'https://jcenter.bintray.com/com/facebook/android/facebook-android-sdk/4.9.0/facebook-android-sdk-4.9.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/facebook/android/facebook-android-sdk/4.9.0/facebook-android-sdk-4.9.0.pom'.
> Connection to https://jcenter.bintray.com refused
> Could not resolve com.facebook.android:facebook-android-sdk:4.9.0.
> Could not get resource 'https://oss.sonatype.org/content/repositories/snapshots/com/facebook/android/facebook-android-sdk/4.9.0/facebook-android-sdk-4.9.0.pom'.
> Could not GET 'https://oss.sonatype.org/content/repositories/snapshots/com/facebook/android/facebook-android-sdk/4.9.0/facebook-android-sdk-4.9.0.pom'.
> Connection to https://oss.sonatype.org refused
> Could not resolve com.facebook.android:facebook-android-sdk:4.9.0.
> Could not get resource 'https://maven.fabric.io/public/com/facebook/android/facebook-android-sdk/4.9.0/facebook-android-sdk-4.9.0.pom'.
> Could not GET 'https://maven.fabric.io/public/com/facebook/android/facebook-android-sdk/4.9.0/facebook-android-sdk-4.9.0.pom'.
> Connection to https://maven.fabric.io refused
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
