Could not resolve com.android.support:appcompat-v7:26.1.0 in Android Studio new project

Question

I know about this questions:

Failed to resolve: com.android.support:cardview-v7:26.0.0 android

Could not resolve com.android.support:appcompat-v7:26.1.0 [dup

Answer 1

Just go to File\Settings\Gradle. Deselect the "Offline work" box. Now you can connect and download any necessary or missing dependencies