上一篇文章中了解到了Spinner的简单用法，知道了Spinner的数据源一般有两种形式。
XML文件和数组的方式。这次的内容主要是想在Spinner上实现省市区三级联动，话不多说了
直接上效果图吧！
城市信息我将他放在strings.xml文件中，具体就不给出了，信息太大了
主xml文件如下：
MainAcitivty问价如下：
/** * 省市县联动 * * kiritor * * 2011.3.17 */ package com.kiritor.ui_spinner_baseadapter; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.Spinner; import android.widget.AdapterView.OnItemSelectedListener; public class MainActivity extends Activity { private Spinner province_spinner; private Spinner city_spinner; private Spinner county_spinner; private Integer provinceId, cityId; private EditText display; private String strProvince, strCity, strCounty; //市，自治区集合 private int[] city = { R.array.beijin_province_item, R.array.tianjin_province_item, R.array.heibei_province_item, R.array.shanxi1_province_item, R.array.neimenggu_province_item, R.array.liaoning_province_item, R.array.jilin_province_item, R.array.heilongjiang_province_item, R.array.shanghai_province_item, R.array.jiangsu_province_item, R.array.zhejiang_province_item, R.array.anhui_province_item, R.array.fujian_province_item, R.array.jiangxi_province_item, R.array.shandong_province_item, R.array.henan_province_item, R.array.hubei_province_item, R.array.hunan_province_item, R.array.guangdong_province_item, R.array.guangxi_province_item, R.array.hainan_province_item, R.array.chongqing_province_item, R.array.sichuan_province_item, R.array.guizhou_province_item, R.array.yunnan_province_item, R.array.xizang_province_item, R.array.shanxi2_province_item, R.array.gansu_province_item, R.array.qinghai_province_item, R.array.linxia_province_item, R.array.xinjiang_province_item, R.array.hongkong_province_item, R.array.aomen_province_item, R.array.taiwan_province_item }; private int[] countyOfBeiJing = { R.array.beijin_city_item }; private int[] countyOfTianJing = { R.array.tianjin_city_item }; private int[] countyOfHeBei = { R.array.shijiazhuang_city_item, R.array.tangshan_city_item, R.array.qinghuangdao_city_item, R.array.handan_city_item, R.array.xingtai_city_item, R.array.baoding_city_item, R.array.zhangjiakou_city_item, R.array.chengde_city_item, R.array.cangzhou_city_item, R.array.langfang_city_item, R.array.hengshui_city_item }; private int[] countyOfShanXi1 = { R.array.taiyuan_city_item, R.array.datong_city_item, R.array.yangquan_city_item, R.array.changzhi_city_item, R.array.jincheng_city_item, R.array.shuozhou_city_item, R.array.jinzhong_city_item, R.array.yuncheng_city_item, R.array.xinzhou_city_item, R.array.linfen_city_item, R.array.lvliang_city_item }; private int[] countyOfNeiMengGu = { R.array.huhehaote_city_item, R.array.baotou_city_item, R.array.wuhai_city_item, R.array.chifeng_city_item, R.array.tongliao_city_item, R.array.eerduosi_city_item, R.array.hulunbeier_city_item, R.array.bayannaoer_city_item, R.array.wulanchabu_city_item, R.array.xinganmeng_city_item, R.array.xilinguolemeng_city_item, R.array.alashanmeng_city_item }; private int[] countyOfLiaoNing = { R.array.shenyang_city_item, R.array.dalian_city_item, R.array.anshan_city_item, R.array.wushun_city_item, R.array.benxi_city_item, R.array.dandong_city_item, R.array.liaoning_jinzhou_city_item, R.array.yingkou_city_item, R.array.fuxin_city_item, R.array.liaoyang_city_item, R.array.panjin_city_item, R.array.tieling_city_item, R.array.zhaoyang_city_item, R.array.huludao_city_item }; private int[] countyOfJiLin = { R.array.changchun_city_item, R.array.jilin_city_item, R.array.siping_city_item, R.array.liaoyuan_city_item, R.array.tonghua_city_item, R.array.baishan_city_item, R.array.songyuan_city_item, R.array.baicheng_city_item, R.array.yanbian_city_item }; private int[] countyOfHeiLongJiang = { R.array.haerbing_city_item, R.array.qiqihaer_city_item, R.array.jixi_city_item, R.array.hegang_city_item, R.array.shuangyashan_city_item, R.array.daqing_city_item, R.array.heilongjiang_yichun_city_item, R.array.jiamusi_city_item, R.array.qitaihe_city_item, R.array.mudanjiang_city_item, R.array.heihe_city_item, R.array.suihua_city_item, R.array.daxinganling_city_item }; private int[] countyOfShangHai = { R.array.shanghai_city_item }; private int[] countyOfJiangSu = { R.array.nanjing_city_item, R.array.wuxi_city_item, R.array.xuzhou_city_item, R.array.changzhou_city_item, R.array.nanjing_suzhou_city_item, R.array.nantong_city_item, R.array.lianyungang_city_item, R.array.huaian_city_item, R.array.yancheng_city_item, R.array.yangzhou_city_item, R.array.zhenjiang_city_item, R.array.jiangsu_taizhou_city_item, R.array.suqian_city_item }; private int[] countyOfZheJiang = { R.array.hangzhou_city_item, R.array.ningbo_city_item, R.array.wenzhou_city_item, R.array.jiaxing_city_item, R.array.huzhou_city_item, R.array.shaoxing_city_item, R.array.jinhua_city_item, R.array.quzhou_city_item, R.array.zhoushan_city_item, R.array.zejiang_huzhou_city_item, R.array.lishui_city_item }; private int[] countyOfAnHui = { R.array.hefei_city_item, R.array.wuhu_city_item, R.array.bengbu_city_item, R.array.huainan_city_item, R.array.maanshan_city_item, R.array.huaibei_city_item, R.array.tongling_city_item, R.array.anqing_city_item, R.array.huangshan_city_item, R.array.chuzhou_city_item, R.array.fuyang_city_item, R.array.anhui_suzhou_city_item, R.array.chaohu_city_item, R.array.luan_city_item, R.array.haozhou_city_item, R.array.chizhou_city_item, R.array.xuancheng_city_item }; private int[] countyOfFuJian = { R.array.huzhou_city_item, R.array.xiamen_city_item, R.array.putian_city_item, R.array.sanming_city_item, R.array.quanzhou_city_item, R.array.zhangzhou_city_item, R.array.nanp_city_item, R.array.longyan_city_item, R.array.ningde_city_item }; private int[] countyOfJiangXi = { R.array.nanchang_city_item, R.array.jingdezhen_city_item, R.array.pingxiang_city_item, R.array.jiujiang_city_item, R.array.xinyu_city_item, R.array.yingtan_city_item, R.array.ganzhou_city_item, R.array.jian_city_item, R.array.jiangxi_yichun_city_item, R.array.jiangxi_wuzhou_city_item, R.array.shangrao_city_item }; private int[] countyOfShanDong = { R.array.jinan_city_item, R.array.qingdao_city_item, R.array.zaobo_city_item, R.array.zaozhuang_city_item, R.array.dongying_city_item, R.array.yantai_city_item, R.array.weifang_city_item, R.array.jining_city_item, R.array.taian_city_item, R.array.weihai_city_item, R.array.rizhao_city_item, R.array.laiwu_city_item, R.array.linxi_city_item, R.array.dezhou_city_item, R.array.liaocheng_city_item, R.array.shandong_bingzhou_city_item, R.array.heze_city_item }; private int[] countyOfHeNan = { R.array.zhenshou_city_item, R.array.kaifang_city_item, R.array.luoyang_city_item, R.array.kaipingshan_city_item, R.array.anyang_city_item, R.array.hebi_city_item, R.array.xinxiang_city_item, R.array.jiaozuo_city_item, R.array.buyang_city_item, R.array.xuchang_city_item, R.array.leihe_city_item, R.array.sanmenxia_city_item, R.array.nanyang_city_item, R.array.shangqiu_city_item, R.array.xinyang_city_item, R.array.zhoukou_city_item, R.array.zhumadian_city_item }; private int[] countyOfHuBei = { R.array.wuhan_city_item, R.array.huangshi_city_item, R.array.shiyan_city_item, R.array.yichang_city_item, R.array.xiangpan_city_item, R.array.erzhou_city_item, R.array.jinmen_city_item, R.array.xiaogan_city_item, R.array.hubei_jinzhou_city_item, R.array.huanggang_city_item, R.array.xianning_city_item, R.array.suizhou_city_item, R.array.enshi_city_item, R.array.shenglongjia_city_item }; private int[] countyOfHuNan = { R.array.changsha_city_item, R.array.zhuzhou_city_item, R.array.xiangtan_city_item, R.array.hengyang_city_item, R.array.shaoyang_city_item, R.array.yueyang_city_item, R.array.changde_city_item, R.array.zhangjiajie_city_item, R.array.yiyang_city_item, R.array.hunan_bingzhou_city_item, R.array.yongzhou_city_item, R.array.huaihua_city_item, R.array.loudi_city_item, R.array.xiangxi_city_item }; private int[] countyOfGuangDong = { R.array.guangzhou_city_item, R.array.shaoguan_city_item, R.array.shenzhen_city_item, R.array.zhuhai_city_item, R.array.shantou_city_item, R.array.foshan_city_item, R.array.jiangmen_city_item, R.array.zhangjiang_city_item, R.array.maoming_city_item, R.array.zhaoqing_city_item, R.array.huizhou_city_item, R.array.meizhou_city_item, R.array.shanwei_city_item, R.array.heyuan_city_item, R.array.yangjiang_city_item, R.array.qingyuan_city_item, R.array.dongguan_city_item, R.array.zhongshan_city_item, R.array.chaozhou_city_item, R.array.jiyang_city_item, R.array.yunfu_city_item }; private int[] countyOfGuangXi = { R.array.nanning_city_item, R.array.liuzhou_city_item, R.array.guilin_city_item, R.array.guangxi_wuzhou_city_item, R.array.beihai_city_item, R.array.fangchenggang_city_item, R.array.qinzhou_city_item, R.array.guigang_city_item, R.array.yuelin_city_item, R.array.baise_city_item, R.array.hezhou_city_item, R.array.hechi_city_item, R.array.laibing_city_item, R.array.chuangzuo_city_item }; private int[] countyOfHaiNan = { R.array.haikou_city_item, R.array.sanya_city_item }; private int[] countyOfChongQing = { R.array.chongqing_city_item }; private int[] countyOfSiChuan = { R.array.chengdu_city_item, R.array.zigong_city_item, R.array.panzhihua_city_item, R.array.luzhou_city_item, R.array.deyang_city_item, R.array.mianyang_city_item, R.array.guangyuan_city_item, R.array.suining_city_item, R.array.neijiang_city_item, R.array.leshan_city_item, R.array.nanchong_city_item, R.array.meishan_city_item, R.array.yibing_city_item, R.array.guangan_city_item, R.array.dazhou_city_item, R.array.yaan_city_item, R.array.bazhong_city_item, R.array.ziyang_city_item, R.array.abei_city_item, R.array.ganmu_city_item, R.array.liangshan_city_item }; private int[] countyOfGuiZhou = { R.array.guiyang_city_item, R.array.lupanshui_city_item, R.array.zhunyi_city_item, R.array.anshun_city_item, R.array.tongren_city_item, R.array.qingxinan_city_item, R.array.biji_city_item, R.array.qingdongnan_city_item, R.array.qingnan_city_item }; private int[] countyOfYunNan = { R.array.kunming_city_item, R.array.qujing_city_item, R.array.yuexi_city_item, R.array.baoshan_city_item, R.array.zhaotong_city_item, R.array.lijiang_city_item, R.array.simao_city_item, R.array.lingcang_city_item, R.array.chuxiong_city_item, R.array.honghe_city_item, R.array.wenshan_city_item, R.array.xishuangbanna_city_item, R.array.dali_city_item, R.array.dehuang_city_item, R.array.nujiang_city_item, R.array.diqing_city_item }; private int[] countyOfXiZang = { R.array.lasa_city_item, R.array.changdu_city_item, R.array.shannan_city_item, R.array.rgeze_city_item, R.array.naqu_city_item, R.array.ali_city_item, R.array.linzhi_city_item }; private int[] countyOfShanXi2 = { R.array.xian_city_item, R.array.tongchuan_city_item, R.array.baoji_city_item, R.array.xianyang_city_item, R.array.weinan_city_item, R.array.yanan_city_item, R.array.hanzhong_city_item, R.array.yulin_city_item, R.array.ankang_city_item, R.array.shangluo_city_item }; private int[] countyOfGanSu = { R.array.lanzhou_city_item, R.array.jiayuguan_city_item, R.array.jinchang_city_item, R.array.baiyin_city_item, R.array.tianshui_city_item, R.array.wuwei_city_item, R.array.zhangyue_city_item, R.array.pingliang_city_item, R.array.jiuquan_city_item, R.array.qingyang_city_item, R.array.dingxi_city_item, R.array.longnan_city_item, R.array.linxia_city_item, R.array.gannan_city_item }; private int[] countyOfQingHai = { R.array.xining_city_item, R.array.haidong_city_item, R.array.haibai_city_item, R.array.huangnan_city_item, R.array.hainan_city_item, R.array.guluo_city_item, R.array.yushu_city_item, R.array.haixi_city_item }; private int[] countyOfNingXia = { R.array.yinchuan_city_item, R.array.shizuishan_city_item, R.array.wuzhong_city_item, R.array.guyuan_city_item, R.array.zhongwei_city_item }; private int[] countyOfXinJiang = { R.array.wulumuqi_city_item, R.array.kelamayi_city_item, R.array.tulyfan_city_item, R.array.hami_city_item, R.array.changji_city_item, R.array.boertala_city_item, R.array.bayinguolen_city_item, R.array.akesu_city_item, R.array.kemuleisu_city_item, R.array.geshen_city_item, R.array.hetian_city_item, R.array.yili_city_item, R.array.tacheng_city_item, R.array.aleitai_city_item, R.array.shihezi_city_item, R.array.alaer_city_item, R.array.tumushihe_city_item, R.array.wujiaqu_city_item }; private int[] countyOfHongKong = {}; private int[] countyOfAoMen = {}; private int[] countyOfTaiWan = {}; private ArrayAdapter province_adapter; private ArrayAdapter city_adapter; private ArrayAdapter county_adapter; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); loadSpinner(); } private void loadSpinner() { display = (EditText) findViewById(R.id.display_edit); province_spinner = (Spinner) findViewById(R.id.province_spinner); //绑定省份的数据 province_spinner.setPrompt("请选择省份"); province_adapter = ArrayAdapter.createFromResource(this, R.array.province_item, android.R.layout.simple_spinner_item); province_adapter .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); province_spinner.setAdapter(province_adapter); // select(province_spinner, province_adapter, R.array.province_item); //添加监听，一开始的时候城市，县区的内容是不显示的而是根据省的内容进行联动 province_spinner .setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView arg0, View arg1, int arg2, long arg3) { provinceId = province_spinner.getSelectedItemPosition(); strProvince = province_spinner.getSelectedItem() .toString();//得到选择的内容，也就是省的名字 city_spinner = (Spinner) findViewById(R.id.city_spinner); if (true) { System.out.println("province: " + province_spinner.getSelectedItem() .toString() + provinceId.toString()); county_spinner = (Spinner) findViewById(R.id.county_spinner); city_spinner = (Spinner) findViewById(R.id.city_spinner); city_spinner.setPrompt("请选择城市");//设置标题 select(city_spinner, city_adapter, city[provinceId]);//城市一级的数据绑定 /*通过这个city[provinceId]指明了该省市的City集合 * R。array.beijing*/ city_spinner .setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected( AdapterView arg0, View arg1, int arg2, long arg3) { cityId = city_spinner .getSelectedItemPosition();//得到city的id strCity = city_spinner .getSelectedItem() .toString();//得到city的内容 Log.v("test", "city: " + city_spinner .getSelectedItem() .toString()//输出测试一下 + cityId.toString()); if (true) { //这里开始设置县区一级的内容 county_spinner = (Spinner) findViewById(R.id.county_spinner); county_spinner .setPrompt("请选择县区"); switch (provinceId) { case 0: select(county_spinner, county_adapter, countyOfBeiJing[cityId]); break; case 1: select(county_spinner, county_adapter, countyOfTianJing[cityId]); break; case 2: select(county_spinner, county_adapter, countyOfHeBei[cityId]); break; case 3: select(county_spinner, county_adapter, countyOfShanXi1[cityId]); break; case 4: select(county_spinner, county_adapter, countyOfNeiMengGu[cityId]); break; case 5: select(county_spinner, county_adapter, countyOfLiaoNing[cityId]); break; case 6: select(county_spinner, county_adapter, countyOfJiLin[cityId]); break; case 7: select(county_spinner, county_adapter, countyOfHeiLongJiang[cityId]); break; case 8: select(county_spinner, county_adapter, countyOfShangHai[cityId]); break; case 9: select(county_spinner, county_adapter, countyOfJiangSu[cityId]); break; case 10: select(county_spinner, county_adapter, countyOfZheJiang[cityId]); break; case 11: select(county_spinner, county_adapter, countyOfAnHui[cityId]); break; case 12: select(county_spinner, county_adapter, countyOfFuJian[cityId]); break; case 13: select(county_spinner, county_adapter, countyOfJiangXi[cityId]); break; case 14: select(county_spinner, county_adapter, countyOfShanDong[cityId]); break; case 15: select(county_spinner, county_adapter, countyOfHeNan[cityId]); break; case 16: select(county_spinner, county_adapter, countyOfHuBei[cityId]); break; case 17: select(county_spinner, county_adapter, countyOfHuNan[cityId]); break; case 18: select(county_spinner, county_adapter, countyOfGuangDong[cityId]); break; case 19: select(county_spinner, county_adapter, countyOfGuangXi[cityId]); break; case 20: select(county_spinner, county_adapter, countyOfHaiNan[cityId]); break; case 21: select(county_spinner, county_adapter, countyOfChongQing[cityId]); break; case 22: select(county_spinner, county_adapter, countyOfSiChuan[cityId]); break; case 23: select(county_spinner, county_adapter, countyOfGuiZhou[cityId]); break; case 24: select(county_spinner, county_adapter, countyOfYunNan[cityId]); break; case 25: select(county_spinner, county_adapter, countyOfXiZang[cityId]); break; case 26: select(county_spinner, county_adapter, countyOfShanXi2[cityId]); break; case 27: select(county_spinner, county_adapter, countyOfGanSu[cityId]); break; case 28: select(county_spinner, county_adapter, countyOfQingHai[cityId]); break; case 29: select(county_spinner, county_adapter, countyOfNingXia[cityId]); break; case 30: select(county_spinner, county_adapter, countyOfXinJiang[cityId]); break; case 31: select(county_spinner, county_adapter, countyOfHongKong[cityId]); break; case 32: select(county_spinner, county_adapter, countyOfAoMen[cityId]); break; case 33: select(county_spinner, county_adapter, countyOfTaiWan[cityId]); break; default: break; } county_spinner .setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected( AdapterView arg0, View arg1, int arg2, long arg3) { strCounty = county_spinner .getSelectedItem() .toString(); display.setText(strProvince + "-" + strCity + "-" + strCounty); } @Override public void onNothingSelected( AdapterView arg0) { } }); } } @Override public void onNothingSelected( AdapterView arg0) { // TODO Auto-generated method stub } }); } } @Override public void onNothingSelected(AdapterView arg0) { } }); } /*通过方法动态的添加适配器*/ private void select(Spinner spin, ArrayAdapter adapter, int arry) { //注意这里的arry不仅仅但是一个×××，他代表了一个数组！ adapter = ArrayAdapter.createFromResource(this, arry, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spin.setAdapter(adapter); // spin.setSelection(0,true); } } 完整的项目代码如下：
http://download.csdn.net/detail/kiritor/5159556