android studio 3.1 Warning: The rule `-keep public class *extends java.lang.annotation.Annotation {

Question

i recently upgraded android studio but im not able to find the source of the following issue reported in android studio 3.1:

Warning: The rule `-keep public clas         


        

Answer 1

Gradle version: 3.1.4

MultiDex: Enabled

In my case, I forgot to add translation for some string resources. No error/warning after adding.