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Dex to Java decompiler
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README.md

JADX

Build Status Build Status Coverage Status Coverity Scan Build Status

jadx - Dex to Java decompiler

Command line and GUI tools for produce Java source code from Android Dex and Apk files

jadx-gui screenshot

Downloads

Building from source

git clone https://github.com/skylot/jadx.git
cd jadx
./gradlew dist

(on Windows, use gradlew.bat instead of ./gradlew)

Scripts for run jadx will be placed in build/jadx/bin and also packed to build/jadx-<version>.zip

Run

Run jadx on itself:

cd build/jadx/
bin/jadx -d out lib/jadx-core-*.jar
#or
bin/jadx-gui lib/jadx-core-*.jar

Usage

jadx[-gui] [options] <input file> (.dex, .apk, .jar or .class)
options:
 -d, --output-dir    - output directory
 -j, --threads-count - processing threads count
 -f, --fallback      - make simple dump (using goto instead of 'if', 'for', etc)
     --cfg           - save methods control flow graph to dot file
     --raw-cfg       - save methods control flow graph (use raw instructions)
 -v, --verbose       - verbose output
 -h, --help          - print this help
Example:
 jadx -d out classes.dex

Troubleshooting

Out of memory error:
  • Reduce processing threads count (-j option)
  • Increase maximum java heap size:
    • command line (example for linux): JAVA_OPTS="-Xmx4G" jadx -j 1 some.apk
    • edit 'jadx' script (jadx.bat on Windows) and setup bigger heap size: DEFAULT_JVM_OPTS="-Xmx2500M"

Contribution

To support this project you can:

  • Post thoughts about new features/optimizations that important to you
  • Submit bug using one of following patterns:
    • Java code examples which decompiles incorrectly
    • Error log and link to public available apk file or app page on Google play

And any other comments will be very helpfull, because at current stage of development it is very time consuming to find new bugs, design and implement new features. Also I need to prioritize these task for complete most important at first.

Licensed under the Apache 2.0 License

Copyright 2014 by Skylot