Reverse Engineer Android APK to get code? [duplicate]

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Android: Getting source code from an APK file

Is it possible to reverse engineer a APK file to get the actual code? Please advice. Thank you.

You can use http://code.google.com/p/dex2jar/ to convert to a JAR file then open it using http://java.decompiler.free.fr/?q=jdgui

Its possible to get the dalvik byte code and the resources decompiled using Apk Tool

for Reverse engineering process or getting code from the apk file http://ibotpeaches.github.io/Apktool/