How to unzip, edit and zip an android apk

Question

I have an android apk and I deleted my source code and dont have the project again, I want to change the version code of the old apk. my question is how do I unzip and repac

Answer 1

You want to use APKTool. It will handle the unzip and rebuild for you: http://ibotpeaches.github.io/Apktool/