“Cannot find symbol R” error after renaming package name

Question

After renaming my project package name (with Refactor), I got this error:

Error:(7, 44) error: cannot find symbol class R

All of my R

Answer 1

Try the following :

Try deleting your R.java file , android studio will regenerate it.

Clean Project

Rebuild Project

And check:

Check the AndroidManifest.xml, there's a package attribute on the top-level element

(Well it depends on how you renamed your package name)