Proguard errors with external jar - returns error code 1

Question

While exporting my Android Application, Proguard returned with error code 1. I am using twitter4j external jars in my app.

I already added library jars, rt.jar (For

Answer 1

Given these -dontwarn options, you can't be getting these warnings from your build. You should double-check that you are editing the proper configuration file (proguard-project.txt as of Android SDK r20).