ListView下拉刷新
http://www.oschina.net/code/snippet_131153_6366


http://www.cnblogs.com/stay/archive/2011/08/22/2146134.html


自定义ListView背景
http://www.cnblogs.com/ylligang/

listView下拉刷新(仿sina微博Android客户端效果)，注释完整
http://blog.csdn.net/aomandeshangxiao/article/details/7325383