1.省,市，区三级关联2.地址数据本地化3.自定义对话框4.支付从xml文件，或对象文件加载部分代码：packagecom.demo.selector;importjava.io.InputStream;importcom.address.selector.City;importcom.address.selector.Country;importcom.address.selector.Province;importcom.address.selector.Region;importcom.demo.address.R;importandroid.app.Dialog;importandroid.conte