Error with dex2jar classes.dex file for reverse engineering of apk file

java android reverse-engineering dex2jar
user1844638 picture user1844638 · Dec 20, 2012 · Viewed 9.5k times · Source

I am trying to extract the source code from an apk file and I am following the following steps Is there a way to get the source code from an APK file?

My problem is that when I execute the command dex2jar classes.dex I get a file not found exception.

Answer

user1844638 picture user1844638 · Dec 20, 2012

I found the error in the command prompt I wasn't in the correct folder.

Related questions

decompiling DEX into Java sourcecode

How can one decompile Android DEX (VM bytecode) files into corresponding Java sourcecode?

Read More
Is it really impossible to protect Android apps from reverse engineering?

As we know, Android apps are written in Java. In Java, no matter what you do, it is impossible to protect compiled code from decompilation or reverse-engineering, as the Stack Overflow question How to lock compiled Java classes to prevent …

Read More
Protect string constant against reverse-engineering

I have android application that has hard coded (static string constants) credentials (user/pass) for sending emails via SMTP. The problem is that .dex file in .apk can be easily reverse-engineered and everybody can see my password. Is there a …

Read More