Failed to resolve: com.android.support:appcompat-v7:25.1.0

Question

My Android Studio is full of error android studio cannot identify libraries.

Error:(27, 13) Failed to resolve: com.android.support:appcompat-v7:25.1.0
         


        

Answer 1

1. At first change your buildToolsVersion version 23.0.1 to 25.0.1
2. Set compileSdkVersion 25

Finally

compileSdkVersion 25
buildToolsVersion "25.0.1"

Make sure you update your support repository . Then Clean-Rebuild-Run.