Android Apk 反编译，Apk 修改以后再编译打包，签名
一：Android反编译工具：Apktool?
Android apktool是一个用来处理APK文件的工具,可以对APK进行反编译生成程序的源代码和图片、XML配置、语言资源等文件,也可以添加新的功能到APK文件中。用该工具来汉化Android软件然后重新打包发布是相当简单的。
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1、安装
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1）.首先安装需要JAVA环境，先下载JDK/JRE，请下载，已经有JAVA环境的可跳过此步
2）.到code.google上下载apktool.jar以及相关文件：http://code.google.com/p/android-apktool/downloads/list
点击下载apktool-1.0.0.tar.bz2 和apktool-install-windows-2.1_r01-1.zip
3）.解压apktool-install-windows.zip到任意文件夹，然后解压apktool.jar 到apktool-install-windows.zip所在的文件夹下。
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4）.点击开始菜单，运行，输入CMD回车，用cd命令转到刚刚解压apktool-install-windows所在的文件夹，输入apktool，出现一些命令说明即成功安装。
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C:\android\android-apktool\apktool-install-windows-r04-brut1>apktool.bat
Apktool v1.4.1 - a tool for reengineering Android apk files
Copyright 2010 Ryszard Wi?niewski <brut.alll@gmail.com>
Apache License 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
Usage: apktool [-v|--verbose]COMMAND [...] ? -- 熟悉dos命令的很容易可以看懂
COMMANDs are:
??? d[ecode] [OPTS] <file.apk> [<dir>]
??????? Decode <file.apk> to <dir>.
??????? OPTS:
??????? -s, --no-src
??????????? Do not decode sources.
??????? -r, --no-res
??????????? Do not decode resources.
??????? -d, --debug
??????????? Decode in debug mode. Check project page for more info.
??????? -f, --force
??????????? Force delete destination directory.
??????? -t <tag>, --frame-tag <tag>
??????????? Try to use framework files tagged by <tag>.
??????? --keep-broken-res
??????????? Use if there was an error and some resources were dropped, e.g.:
??????????? "Invalid config flags detected. Dropping resources", but you
??????????? want to decode them anyway, even with errors. You will have to
??????????? fix them manually before building.
??? b[uild] [OPTS] [<app_path>] [<out_file>]
??????? Build an apk from already decoded application located in <app_path>.
??????? It will automatically detect, whether files was changed and perform
??????? needed steps only.
??????? If you omit <app_path> then current directory will be used.
??????? If you omit <out_file> then <app_path>/dist/<name_of_original.apk> -- 这个需要注意,生成新的apk所在的目录
??????? will be used.
??????? OPTS:
??????? -f, --force-all
??????????? Skip changes detection and build all files.
??????? -d, --debug
??????????? Build in debug mode. Check project page for more info.
??? if|install-framework <framework.apk> [<tag>]
??????? Install framework file to your system.
For additional info, see: http://code.google.com/p/android-apktool/
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2、使用
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apktool d? XXX.apk ABC??? 反编译XXX.apk到文件夹ABC
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apktool b? ABC?????????????? 从文件夹ABC重建APK，输出到ABC/dist/out.apk
例子：
C:\android\android-apktool\apktool-install-windows-r04-brut1>apktool d C:\android\参考\simple.apk SIMPLE
I: Baksmaling...
testI: Loading resource table...
I: Loaded.
I: Loading resource table from file: C:\Documents and Settings\Administrator\apk
tool\framework\1.apk
I: Loaded.
I: Decoding file-resources...
I: Decoding values*/* XMLs...
I: Done.
I: Copying assets and libs...
C:\android\android-apktool\apktool-install-windows-r04-brut1>apktool b SIMPLE
I: Checking whether sources has changed...
I: Smaling...
I: Checking whether resources has changed...
I: Building resources...
I: Building apk file...
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3、apk-sign签名apk文件：
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1）下载文件件附件apk-sign.rar，解压到任意文件夹A；
2）将XXX.apk文件解压到XXX文件夹，然后将XXX文件夹复制到A文件夹中，并且直接拖到apk-sign文件中的sign_pack.bat批处理文件上以执行，弹出cmd执行窗口，等待执行完即可；
3）生成新文件夹XXX_signed中的apk文件即为已签名；
4）在apk-sign文件夹中会多出一个文件夹，里面就是签名过的Apk
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