Using CardView and RecyclerView in my layout files throws an exception

Question

So I\'ve been taking a shot at the Material Design of Android Preview L. I imported both the CardView and the RecyclerView libraries.

I use the

Answer 1

This is a bug in Android Studio. The preview tool does not know how do initialize the widgets. I believe so, because the same exception is thrown from your app if you forget to call recyclerView.setLayoutManager() in your code.