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◎위챗 : speedseoul
http://www.androidhive.info/2011/08/android-tab-layout-tutorial/
http://mnd777.blog.me/20044205264
http://alvinalexander.com/android/android-honeycomb-put-menu-item-in-actionbar
http://twigstechtips.blogspot.kr/2011/01/android-how-to-load-xml-layout-onto.html