Ignore external libraries with Android proguard

Question

I want to use Proguard mainly for obfuscation reasons.

I have a problem with proguard in Android. I used simpleframework to parse XML; its external.

In prog

Answer 1

Thanks to eXistPierre post, this is the minimum I needed to get it working:

-libraryjars /lib/rt.jar(java/**,javax/**)
-keep public class org.simpleframework.**{ *; }
-keep class org.simpleframework.xml.**{ *; }
-keep class org.simpleframework.xml.core.**{ *; }
-keep class org.simpleframework.xml.util.**{ *; }
-keepattributes *Annotation*
-keepattributes Signature

I also needed to add the following so I could read and write my class objects:

-keepclassmembers class com.package.app.ClassItem{ *; }