Esto es lo que yo uso:
-libraryjars ${android.jar}
-injars temp.jar
-outjars proguard.jar
#-printseeds: Prints the un-obfuscated filenames
-printseeds
-printmapping mapping-used-to-retrace-exceptions.txt
-verbose
#-dontusemixedcaseclassnames: Necessary when building on windows where x.class and X.class is the same file
-dontusemixedcaseclassnames
#-repackageclasses: Adds further obfuscation, Counter-indication: classes that look for resource files in their package directories will no longer work properly if they are moved elsewhere. When in doubt, just leave the packaging untouched by not using this option.
-repackageclasses ''
#-dontskipnonpubliclibraryclasses: Counter-indication: you probably shouldn't use this option when processing code that is to be used as a library, since classes and class members that weren't designed to be public in the API may become public.
-dontskipnonpubliclibraryclasses
-keep public class * extends android.app.Activity
-keep public class * extends android.app.Service
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.content.ContentProvider
-keep class * extends android.view.View {
public <init>(android.content.Context);
public <init>(android.content.Context, android.util.AttributeSet);
public <init>(android.content.Context, android.util.AttributeSet, int);
public void set*(...);
}
-keep class * extends android.preference.Preference {
public <init>(android.content.Context);
public <init>(android.content.Context, android.util.AttributeSet);
public <init>(android.content.Context, android.util.AttributeSet, int);
public void set*(...);
}
# LVL License binder class
-keep class com.android.vending.licensing.ILicensingService
# This is necessary for LVL among others. According to proguard doc java accesses enum fields by introspection.
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
#Optimization settings
-dontoptimize
Se ofusca pública, pero mantiene los métodos públicos y nombre de la clase de clases necesarias por Android. Como solicitó, no se optimiza: es más probable que las optimizaciones rompan su programa debido a los métodos y constructores eliminados.
Si usted quiere probar que incluyen optimizaciones aquí es lo que hago (no olvide quitar la opción -dontoptimize anterior)
#Optimization settings
# Keep (ie. don't remove) all public constructors of all public classes, but still obfuscate+optimize their content. This is necessary because optimization removes constructors which I use through reflection.
-keepclassmembers class * {
<init>(...);
}
-optimizationpasses 7
-allowaccessmodification
# The -optimizations option disables some arithmetic simplifications that Dalvik 1.0 and 1.5 can't handle.
-optimizations !code/simplification/arithmetic
uso Proguard 4.5, pero otras versiones, probablemente funcionará igual de bien.
¡Hola! ¿Has encontrado solución a tu pregunta? También me enfrenté con el mismo problema. https://stackoverflow.com/questions/47716524/proguard-android-execution-failed-for-task-presentationtransformclasseswith – yozhik