Android proguard, keep inner class

Question

My android program has a class A, which has two static inner class. They are found to be stripped from .dex after applying proguard.

Answer 1

This is what I had to do for my config

-keep class com.xxx.A { *; }
-keep class com.xxx.A$B { *; }
-keep class com.xxx.A$C { *; }