blob: 2f68962179e4c8096e98d87d33b03f5e3a7cd9fb [file] [log] [blame]
// This Gradle build file illustrates how to process a program
// library, such that it remains usable as a library.
// Usage:
// gradle -b library.gradle proguard
// Tell Gradle where to find the ProGuard task.
buildscript {
repositories {
flatDir dirs: '../../lib'
dependencies {
classpath ':proguard'
// Define a ProGuard task.
task proguard(type: proguard.gradle.ProGuardTask) {
// You should probably import a more compact ProGuard-style configuration
// file for all static settings, but we're specifying them all here, for
// the sake of the example.
//configuration ''
// Specify the input jars, output jars, and library jars.
// In this case, the input jar is the program library that we want to process.
injars 'in.jar'
outjars 'out.jar'
libraryjars "${System.getProperty('java.home')}/lib/rt.jar"
// Save the obfuscation mapping to a file, so we can de-obfuscate any stack
// traces later on. Keep a fixed source file attribute and all line number
// tables to get line numbers in the stack traces.
// You can comment this out if you're not interested in stack traces.
printmapping ''
renamesourcefileattribute 'SourceFile'
keepattributes 'Exceptions,InnerClasses,Signature,Deprecated,SourceFile,LineNumberTable,EnclosingMethod'
// Preserve all annotations.
keepattributes '*Annotation*'
// Preserve all public classes, and their public and protected fields and
// methods.
keep 'public class * { \
public protected *; \
// Preserve all .class method names.
keepclassmembernames 'class * { \
java.lang.Class class$(java.lang.String); \
java.lang.Class class$(java.lang.String, boolean); \
// Preserve all native method names and the names of their classes.
keepclasseswithmembernames 'class * { \
native <methods>; \
// Preserve the special static methods that are required in all enumeration
// classes.
keepclassmembers 'class * extends java.lang.Enum { \
public static **[] values(); \
public static ** valueOf(java.lang.String); \
// Explicitly preserve all serialization members. The Serializable interface
// is only a marker interface, so it wouldn't save them.
// You can comment this out if your library doesn't use serialization.
// If your code contains serializable classes that have to be backward
// compatible, please refer to the manual.
keepclassmembers 'class * implements { \
static final long serialVersionUID; \
static final[] serialPersistentFields; \
private void writeObject(; \
private void readObject(; \
java.lang.Object writeReplace(); \
java.lang.Object readResolve(); \
// Your library may contain more items that need to be preserved;
// typically classes that are dynamically created using Class.forName:
// keep 'public class mypackage.MyClass'
// keep 'public interface mypackage.MyInterface'
// keep 'public class * implements mypackage.MyInterface'