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      1 #
      2 # This ProGuard configuration file illustrates how to process a program
      3 # library, such that it remains usable as a library.
      4 # Usage:
      5 #     java -jar proguard.jar @library.pro
      6 #
      7 
      8 # Specify the input jars, output jars, and library jars.
      9 # In this case, the input jar is the program library that we want to process.
     10 
     11 -injars  in.jar
     12 -outjars out.jar
     13 
     14 -libraryjars  <java.home>/lib/rt.jar
     15 
     16 # Save the obfuscation mapping to a file, so we can de-obfuscate any stack
     17 # traces later on. Keep a fixed source file attribute and all line number
     18 # tables to get line numbers in the stack traces.
     19 # You can comment this out if you're not interested in stack traces.
     20 
     21 -printmapping out.map
     22 -keepparameternames
     23 -renamesourcefileattribute SourceFile
     24 -keepattributes Exceptions,InnerClasses,Signature,Deprecated,
     25                 SourceFile,LineNumberTable,EnclosingMethod
     26 
     27 # Preserve all annotations.
     28 
     29 -keepattributes *Annotation*
     30 
     31 # Preserve all public classes, and their public and protected fields and
     32 # methods.
     33 
     34 -keep public class * {
     35     public protected *;
     36 }
     37 
     38 # Preserve all .class method names.
     39 
     40 -keepclassmembernames class * {
     41     java.lang.Class class$(java.lang.String);
     42     java.lang.Class class$(java.lang.String, boolean);
     43 }
     44 
     45 # Preserve all native method names and the names of their classes.
     46 
     47 -keepclasseswithmembernames class * {
     48     native <methods>;
     49 }
     50 
     51 # Preserve the special static methods that are required in all enumeration
     52 # classes.
     53 
     54 -keepclassmembers class * extends java.lang.Enum {
     55     public static **[] values();
     56     public static ** valueOf(java.lang.String);
     57 }
     58 
     59 # Explicitly preserve all serialization members. The Serializable interface
     60 # is only a marker interface, so it wouldn't save them.
     61 # You can comment this out if your library doesn't use serialization.
     62 # If your code contains serializable classes that have to be backward
     63 # compatible, please refer to the manual.
     64 
     65 -keepclassmembers class * implements java.io.Serializable {
     66     static final long serialVersionUID;
     67     static final java.io.ObjectStreamField[] serialPersistentFields;
     68     private void writeObject(java.io.ObjectOutputStream);
     69     private void readObject(java.io.ObjectInputStream);
     70     java.lang.Object writeReplace();
     71     java.lang.Object readResolve();
     72 }
     73 
     74 # Your library may contain more items that need to be preserved; 
     75 # typically classes that are dynamically created using Class.forName:
     76 
     77 # -keep public class mypackage.MyClass
     78 # -keep public interface mypackage.MyInterface
     79 # -keep public class * implements mypackage.MyInterface
     80