First app design window isn't working

#1

so while making the first app (printing hello world), it’s showing “design editor is unavailable until a successful build”… how do i fix this??

#2

Hi Varsha,
I am sorry, some doubts remained unresolved in the past. I was going through them all right now. Just wanted to ask if you were able to figure out this?
If not, you need to run “Rebuild Project” to get this error fixed. If it still persists, let me know.