We can find Dex2Jar tool pre-installed on Kali-Linux under reverse engineering tools, illustrated in below screenshot. With the help of Baksmali, we can disassemble the x file into “.smali” code, Smali does the opposite of Baksmali. The syntax is loosely based on Jasmin’s/dedexer’s syntax and supports the full functionality of the dex format (annotations, debug info, line info, etc.) (From the official website). Smali/Baksmali is an assembler/disassembler for the dex format used by Dalvik, Android’s Java VM implementation. ![]() If you open the “.jar” file with JD-GUI, you can view the source code of the application which is Java classes in a readable format, and it is also very easy to navigate through the code. You can browse the reconstructed source code with the JD-GUI for instant access to methods and fields. JD-GUI is a standalone graphical utility that displays Java source codes of “.class” files. That means you can change the source code of an application directly working with this format. class files and not the actual Java source code that was written by the application developer.Īlso, it is possible to get “.smali” files directly from the x file or vice versa. So, it is possible to view the source code of an Android application using any Java decompiler, and it is completely readable. The core feature of Dex2Jar is to convert the x file of an APK to classes.jar or vice versa. The “.dex” files can be created automatically by Android, by translating the compiled applications written in the Java programming language. Android programs are compiled into “.dex” (Dalvik Executable) files, which are in turn zipped into a single “.apk” file on the device. As you may aware that “.dex” files are compiled Android application code file. Dex2Jar is a freely available tool to work with Android “.dex” and Java “.class” files.
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