ZXing library tutorial

I have read about Zxing library and I have also searched information in the hom开发者_JAVA技巧e page of the project (http://code.google.com/p/zxing/) but I need a good tutorial to learn how to develop applications using this library.

Thanks in advance.

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http://mcondev.wordpress.com/2011/06/24/zxing-1-7-for-android-on-eclipse/

... but you haven't really said what you are trying to do, and what you've tried, what didn't work, and so what your specific question is.