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http://blog.csdn.net/springsky_/article/details/8213898
http://www.eoeandroid.com/thread-305581-1-1.html
http://www.eoeandroid.com/forum.php?mod=viewthread&tid=275151&page=1
http://aokunsang.iteye.com/blog/1295813
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原文地址：http://www.cnblogs.com/niray/p/4181446.html
