could not resolve all dependencies for configuration ':app:debugAPKCopy'

Question

it seems that I got this problem when I try to run the app

Answer 1

Install Android Support Repository in SDK Manager.

Add dedependencies to build.gradle file.

compile 'com.android.support:appcompat-v7:23.1.1'
compile 'com.android.support:recyclerview-v7:23.1.1'