Adapter
|__ListAdapter----------------------|
| |__WrapperListAdapter
|__SpinnerAdapter------------------|-BaseAdapter
|__
http://www.cnblogs.com/allin/archive/2010/05/11/1732200.html
android-adapter,布布扣,bubuko.com
原文：http://www.cnblogs.com/daishuguang/p/3655542.html