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

"Program type already exists" Remove your /build directory contents, it has some Dex(?) problem with the generated binary files. Got to those answers just like you, they helped to resolve this problem but created many others. Build contents removal works for all.