I had the same problem,and you can change your version of android to render the layouts in the preview window .
See this post:
change the android version used to render layouts from Android Studio
back to “API 23: Android 6.0
I had the same problem,and you can change your version of android to render the layouts in the preview window .
See this post:
change the android version used to render layouts from Android Studio
back to “API 23: Android 6.0
