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Ok so I want to swap out the low res drawables in a widget app for my own higher res ones. Can I do that? not sure what to try first or whether it's possible
Any thoughts would be helpful from the theme centric people
The problem that you are going to run into is that once you modify the signature is going to fail. You could install it in /system/app to bypass the signature verification but either way even if you self sign it, you will no longer get updates from the market.
Apk Manager 4.8 - Makes Modifying Ur Apk A Breeze (Windows/Linux) - xda-developers
That will sign apks for you from what I understand although I havent actually tried it. Theming market apps is more trouble than its worth in my opinion though. Each time an update comes out you have to retheme it either because the app no longer gets updates from the market or because when it updated it replaced all your pngs. If its an app that doesnt get updated often it could be worth it though.