Cannot import class from Library.jar file after ProGuard Obfuscation

Question

I have build a .jar Library file. I can import it normally in my project but after Proguard Obfuscation, I could not call the class/function from that library anymore. My package and classes have been converted to a.class, b.class, c.class as shown in the picture below.

Answer 1

ProGuard renames classes. When distributing a library, you need to configure ProGuard to not rename the API you need to be exposed.

You can add a rule like:

-keep public class * {
     public protected *;
}

This will stop renaming of all public & protected methods in all public classes.