Android project obfuscation and Decompilation

I. obfuscation of engineering documents

Mixed File Download: http://download.csdn.net/detail/lxq_xsyu/6328751

1. Add the progard. cfg file to the root directory.

2. Open project. properties and add proguard. config = proguard. cfg below

# This file is automatically generated by Android Tools.# Do not modify this file -- YOUR CHANGES WILL BE ERASED!## This file must be checked in Version Control Systems.## To customize properties used by the Ant build system edit# "ant.properties", and override values to adapt the script to your# project structure.## To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):#proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt# Project target.target=android-18proguard.config=proguard.cfg

If no other jar package is added to your project, it will be OK.

Ii. decompilation of apk files

Tool download: http://download.csdn.net/detail/lxq_xsyu/6329011

1. decompress the dex2jar.zip File

2. decompress the apk File

3. Put the classes. dex file into the folder where the dex2jar. bat file is located in the dex2jar package after decompression.

4. ctrl + r

5. Enter cmd.

6. Go to the console and go to the directory where dex2jar. bat is located and run dex2jar. bat classes. dex.

7. Open the classes_dex2jar.jarfile in the directory with jd-gui.exe

In this case, OK.