ERROR: Failed to resolve: com.android.support:support-v4:26.0.0-alpha1
Add Google Maven repository and sync project
Show in Project Structure dialog
Affected Modules: app

ERROR: Failed to resolve: com.android.support:recyclerview-v7:26.0.0-alpha1
Add Google Maven repository and sync project
Show in Project Structure dialog
Affected Modules: app

ERROR: Failed to resolve: com.android.support:appcompat-v7:26.0.0-alpha1
Add Google Maven repository and sync project
Show in Project Structure dialog
Affected Modules: app