Error: Program type already present: android.support.v4.accessibilityservice.AccessibilityServiceInfoCompat

Question

After upgrading to Android Studio 3.1, I started to get following error during build. Project uses multidex and DX is enabled by default as you would notice in the error. I

Answer 1

In y case I've resolved issue by

implementation 'com.android.support:appcompat-v7:26.0.0'

to

 implementation 'com.android.support:appcompat-v7:27.1.1'