Gradle Build Android Project “Could not resolve all dependencies” error

Question

I\'m trying to build my first project with Gradle and I think my gradle files and settings are correct.

I\'m using only one module and Support V4 + AppCompatBar libr

Answer 1

I had this message in Android Studio 2.1.1 in the Gradle Build tab. I installed a lot of files from the SDK Manager but it did not help.

I needed to click the next tab "Gradle Sync". There was a link "Install Repository and sync project" which installed the "Android Support Repository".