http://www.cnblogs.com/tianjian/archive/2012/07/08/2581509.html
http://marakana.com/s/post/1250/android_fragments_tutorial
http://blog.csdn.net/cs_lht/article/details/8090643
http://www.cnblogs.com/tianjian/archive/2012/07/08/2581509.html
http://marakana.com/s/post/1250/android_fragments_tutorial
http://blog.csdn.net/cs_lht/article/details/8090643