Android Studio Layout preview not showing design

Question

I am currently working on a project and everything was fine. Today, while I opened android studio, the design/layout preview showing white screen only. (Like the picture)

Answer 1

I was also facing same issue resolved following this steps: https://www.youtube.com/watch?v=hMbIUVogWTo

In short answer is change appcompact-v7 "beta01" to "alpha1"