Android Studio 打包成jar文件并混淆代码
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参考博文:http://www.jianshu.com/p/0a3ce6e9ab85
开展项目合作时,基于模块化思想,对方要用到你的程序,而你又不想将源代码给对方,通常会将程序进行打包生成jar,并作混淆处理。
1、创建项目
【File】——【New Module】——【Android Library】,命名,然后编辑代码。
二、编辑library路径下的build.gradle
AS中进行代码混淆需要在build.gradle文件和proguard-rules.pro文件中进行设置(可以通过jd-gui工具对比混淆前后效果):
1、配置build.gradle文件
你的library库下打开build.gradle文件,在末尾加上下述代码。
task makeJar(type: proguard.gradle.ProGuardTask, dependsOn: "build") { //删除已有的jar包 delete 'build/outputs/ips.jar' // 未混淆的jar路径 injars 'build/intermediates/bundles/release/classes.jar'// 混淆后的jar输出路径 outjars 'build/outputs/ips.jar' // 混淆协议 configuration 'proguard-rules.pro'}说明:(1)AS会自动对library进行打包,即build/intermediates/bundles/release/classes.jar,只是未进行混淆工作而已;
(2)在delete和injars中的ips.jar是你要打包的jar包名字。
2、配置proguard-rules.pro文件
(1)把AS自带的协议配置进来
# This is a configuration file for ProGuard.# http://proguard.sourceforge.net/index.html#manual/usage.html## Starting with version 2.2 of the Android plugin for Gradle, these files are no longer used. Newer# versions are distributed with the plugin and unpacked at build time. Files in this directory are# no longer maintained.#表示混淆时不使用大小写混合类名-dontusemixedcaseclassnames#表示不跳过library中的非public的类-dontskipnonpubliclibraryclasses#打印混淆的详细信息-verbose# Optimization is turned off by default. Dex does not like code run# through the ProGuard optimize and preverify steps (and performs some# of these optimizations on its own).-dontoptimize##表示不进行校验,这个校验作用 在java平台上的-dontpreverify# Note that if you want to enable optimization, you cannot just# include optimization flags in your own project configuration file;# instead you will need to point to the# "proguard-android-optimize.txt" file instead of this one from your# project.properties file.-keepattributes *Annotation*-keep public class com.google.vending.licensing.ILicensingService-keep public class com.android.vending.licensing.ILicensingService# For native methods, see http://proguard.sourceforge.net/manual/examples.html#native-keepclasseswithmembernames class * { native <methods>;}# keep setters in Views so that animations can still work.# see http://proguard.sourceforge.net/manual/examples.html#beans-keepclassmembers public class * extends android.view.View { void set*(***); *** get*();}# We want to keep methods in Activity that could be used in the XML attribute onClick-keepclassmembers class * extends android.app.Activity { public void *(android.view.View);}# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations-keepclassmembers enum * { public static **[] values(); public static ** valueOf(java.lang.String);}-keepclassmembers class * implements android.os.Parcelable { public static final android.os.Parcelable$Creator CREATOR;}-keepclassmembers class **.R$* { public static <fields>;}# The support library contains references to newer platform versions.# Don't warn about those in case this app is linking against an older# platform version. We know about them, and they are safe.-dontwarn android.support.**# Understand the @Keep support annotation.-keep class android.support.annotation.Keep-keep @android.support.annotation.Keep class * {*;}-keepclasseswithmembers class * { @android.support.annotation.Keep <methods>;}-keepclasseswithmembers class * { @android.support.annotation.Keep <fields>;}-keepclasseswithmembers class * { @android.support.annotation.Keep <init>(...);}
参考http://www.jianshu.com/p/0a3ce6e9ab85。
(2)引入依赖包路径
#引入依赖包rt.jar(jdk路径)-libraryjars 'D:\Android_Studio\Android_Studio_Install\jre\jre\lib\rt.jar'#引入依赖包android.jar(android SDK路径)-libraryjars 'D:\Android_Studio\Android_SDK\platforms\android-25\android.jar'#如果用到其他包,需要引入#忽略警告-ignorewarnings#保证是独立的jar,没有任何项目引用,如果不写就会认为我们所有的代码是无用的,从而把所有的代码压缩掉,导出一个空的jar-dontshrink#保护泛型-keepattributes Signature(3)加入自己不想混淆的配置
这个根据实际情况选择性配置
#自己不想混淆的配置,保证com下的类名不被混淆-keep class ips.casm.com.**{public *;}看下添加(3)和不添加(3)的效果
不混淆 混淆
3、执行打包命令
在Terminal 窗口输入下面代码:
gradlew makeJar提示BUILD SUCCESSFUL表示打包成功!
说明:上面的命令是在windows下,而在mac下则需要输入
./gradlew makeJar
4、jar包路径
ipslibrary(你的library)/build/outputs/ips.jar(你的jar包名称)
三、用jd_gui或导入到AS查看jar打包效果
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