how to use proguard in android 2.3

one of the features in android 2.3 is integrated proguard obfuscation when doing rele开发者_Go百科ase builds. but how do i enable this obfuscation when creating my apk?

thanks!

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add the following into default.properties

proguard.config=proguard.cfg 

For details visit here

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I just used it with maven. If you are using maven as well, I would recommend you reading this blog post.