i got "R" error after update gradle in android studio

Question

i got "R" error after update gradle in android studio

Answer 1

Ah, thanks for the heads up. I now know you got "R" error after updating your Gradle.

...
Nah, just joking.

Did you try to rebuild your project, and then synchronize it with the updated Gradle?

Build -> Rebuild Project
Tools -> Android -> Sync Project with Gradle Files.

Answer 2

yes but still got error