Enable Proguard for only two packages in large Android application

Question

Background

I am developing an Android application that relies on multiple external libraries (8 added as library project dependencies, 14 added as j

Answer 1

The correct syntax is a comma-separated list without any parentheses:

-keep class !com.google.zxing.**,!com.example.app.** { *; }

See the ProGuard manual > Usage > Filters.

Note that this single line already implies the two other lines for interfaces and enums. You can imply the -keep options for all subpackages by not letting the last wildcard match subpackages:

-keep class !com.google.zxing.**,!com.example.app.* { *; }