Why do I get “All com.android.support libraries must use the exact same version specification” in Android Studio 3.2.1?

Question

I have read the article All com.android.support libraries must use the exact same version specification

But I still get the following information after I add the c

Answer 1

For now, just include noninspection to suppresses the warning

//noinspection GradleCompatible
implementation 'com.google.android.gms:play-services-ads:17.0.0'

//noinspection GradleCompatible
implementation 'com.android.support:support-v4:28.0.0'
implementation 'com.android.support:design:28.0.0'
implementation 'com.android.support:appcompat-v7:28.0.0'

implementation 'com.android.support:recyclerview-v7:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'

Everything will work fine.