Preview is not working in Android Studio

Question

I just started with Android Studio , but the preview doesn't work , it shows me this message: " Preview is unavailable until successful build?" What can I do to solve this issue ? Thanks

Answer 1

you gradle has some problem and it can't build your app correctly. Dose it have an error like this at the top??
gradle sync fail

Answer 2

It says Gradle project sync failed and " design editor is unavailable until a successful build "

Answer 3

ok , you must do several works to solve this. first go to file>setting and deselect wrap , instead select local Gradle path .

Answer 4

Oh Ok I'll try it !! Thx