Decompile the APK file using dex2jar and xjad to view the source code.

Required Software: http://download.csdn.net/detail/suixiang888/4788195 credit is not enough, please trust me

1. First find classes. Dex in the android installation package

Change the APK file name to .zip, and decompress the classes file. dex file, which is compiled by a Java file and then packaged by the DX tool. Now we use the two tools mentioned above to export the Java source file in reverse direction.

2. Copy classes. Dex to the directory where dex2jar. bat is located.
In Windows:
In command line mode, locate the directory where dex2jar. bat is located and run dex2jar. Bat classes. Dex to generate classes. Dex. dex2jar. jar.

In ubuntu:

Locate the directory of dex2jar. Sh in the terminal and run
Sh dex2jar. Sh classes. Dex

You can generate classes. Dex. dex2jar. Jar

3. Run the xjad tool (it is green and does not need to be installed)
Open the JAR File above and you will see the source code

If the project uses a dynamic link library file written in C, it cannot be successful ..