Error : Program type already present: android.support.design.widget.CoordinatorLayout$Behavior

Question

I am getting the following error while building the project. haven\'t used CoordinatorLayout in this project. just added as a dependency in build.gradle :

I am usin

Answer 1

It worked when I downgrade the support appcompat gradle dependency, like follwing :

implementation 'com.android.support:appcompat-v7:27.0.2'

previously it was

implementation 'com.android.support:appcompat-v7:27.1.0'

OR

Also this can be fixed by just adding support design dependency of version 27.1.0 or above to your app level build.gradle as following :

implementation 'com.android.support:design:27.1.0'