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Modifying an existing apk

mm1983

Lurker
I wanted to know how to go about modifying an existing apk file. Below is what I am doing.

1. Copied the .apk file to my computer
2. Used apk_manager to decompile the apk
3. Made a small change in one of the xml files
4. Used apk_manager to compile the apk and the sign it
5. Sideload it using the Sideload Wonder Machine

In this process do I need to uninstall the existing app before sideloading its modified version? Or just giving it a new name would work? Thanks.

-mm
 
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