gradle - Could not find com.google.android.gms:play-services:3.1.36 3.2.25 4.0.30 4.2.40 4.2.42 4.3.23 - Stack Overflow

Check if you also installed the "Google Repository". If not, you also have to install the "Google Repository" in your SDK Manager.

Also be aware that there might be 2 SDK installations - one coming from AndroidStudio and one you might have installed. Better consolidate this to one installation - this is a common pitfall - that you have it installed in one installation but it fails when you build with the other installation.

Read full article from gradle - Could not find com.google.android.gms:play-services:3.1.36 3.2.25 4.0.30 4.2.40 4.2.42 4.3.23 - Stack Overflow