How to obfuscate only package names using Proguard

Question

I want to rename only package name in my application from com. company1 .utils --> com. company2 .utils.

How to do this using ProGuard? I Don't want to apply any optimizations in this except changing my package names.

Answer 1

ProGuard doesn't have a standard option to rename packages yet keep their simple class names.

You could create a ProGuard mapping file manually, with lines like:

com.example.MyClass -> a.MyClass:
com.example.MyOtherClass -> a.MyOtherClass:

also with this command: -applymapping mapping.txt

https://stackoverflow.com/a/15792982/4960200

Answer 2

This might be totally weird, but since your package name is "utils" and we faced a similar issue on our project https://github.com/coding-blocks/CBOnlineApp , I can tell you that renaming our package from utils to util solved the proguard issue that it removes the entire package.

This needs deeper digging, but maybe some internal configuration problem leads proguard to remove packages named "utils"