Android Proguard, removing all Log statements and merging packages

Question

1. I have about 5 packages in my project, is it possible to merge all the packages into one large package, I want to do this to make hacking more difficult.

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Answer 1

The option -repackageclasses moves obfuscated classes into a single given package:

http://proguard.sourceforge.net/manual/usage.html#repackageclasses

You can optionally combine it with -allowaccessmodification for better results.