参考:
http://www.cnblogs.com/qianxudetianxia/archive/2011/06/07/2074326.html
分组的ListView的拖拽
http://www.cnblogs.com/qianxudetianxia/archive/2011/06/13/2079253.html
ListView分页加载数据
http://blog.csdn.net/cjjky/article/details/6898871
转载于:https://www.cnblogs.com/llm-android/archive/2012/07/27/2612133.html