<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:padding="8dp" >
    <Spinner
        android:id="@+id/spin_province"
        android:layout_width="80dp"
        android:layout_height="wrap_content" />

    <Spinner
        android:id="@+id/spin_city"
        android:layout_width="112dp"
        android:layout_height="wrap_content" />

    <Spinner
        android:id="@+id/spin_county"
        android:layout_width="100dp"
        android:layout_height="wrap_content" />
</LinearLayout>

package com.example.android.demo.spinner;

import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;

public class MainActivity extends Activity
{
    private Spinner provinceSpinner = null;  //省級（省、直轄市）
    private Spinner citySpinner = null;     //地級市
    private Spinner countySpinner = null;    //縣級（區(qū)、縣、縣級市）
    ArrayAdapter<String> provinceAdapter = null;  //省級適配器
    ArrayAdapter<String> cityAdapter = null;    //地級適配器
    ArrayAdapter<String> countyAdapter = null;    //縣級適配器
    static int provincePosition = 3;

   
    //省級選項值
    private String[] province = new String[] {"北京","上海","天津","廣東"};//,"重慶","黑龍江","江蘇","山東","浙江","香港","澳門"};
    //地級選項值
    private String[][] city = new String[][]
            {
                    { "東城區(qū)", "西城區(qū)", "崇文區(qū)", "宣武區(qū)", "朝陽區(qū)", "海淀區(qū)", "豐臺區(qū)", "石景山區(qū)", "門頭溝區(qū)",
                            "房山區(qū)", "通州區(qū)", "順義區(qū)", "大興區(qū)", "昌平區(qū)", "平谷區(qū)", "懷柔區(qū)", "密云縣",
                            "延慶縣" },
                    { "長寧區(qū)", "靜安區(qū)", "普陀區(qū)", "閘北區(qū)", "虹口區(qū)" },
                    { "和平區(qū)", "河東區(qū)", "河西區(qū)", "南開區(qū)", "河北區(qū)", "紅橋區(qū)", "塘沽區(qū)", "漢沽區(qū)", "大港區(qū)",
                            "東麗區(qū)" },
                    { "廣州", "深圳", "韶關(guān)" // ,"珠海","汕頭","佛山","湛江","肇慶","江門","茂名","惠州","梅州",
                    // "汕尾","河源","陽江","清遠","東莞","中山","潮州","揭陽","云浮"
                    }
            };

    //縣級選項值
    private String[][][] county = new String[][][]
            {
                    {   //北京
                        {"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"},
                        {"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"}
                    },
                    {    //上海
                        {"無"},{"無"},{"無"},{"無"},{"無"}
                    },
                    {    //天津
                        {"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"},{"無"}
                    },
                    {    //廣東
                        {"海珠區(qū)","荔灣區(qū)","越秀區(qū)","白云區(qū)","蘿崗區(qū)","天河區(qū)","黃埔區(qū)","花都區(qū)","從化市","增城市","番禺區(qū)","南沙區(qū)"}, //廣州
                        {"寶安區(qū)","福田區(qū)","龍崗區(qū)","羅湖區(qū)","南山區(qū)","鹽田區(qū)"}, //深圳
                        {"武江區(qū)","湞江區(qū)","曲江區(qū)","樂昌市","南雄市","始興縣","仁化縣","翁源縣","新豐縣","乳源縣"}  //韶關(guān)
                    }
            };

   
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        setSpinner();
    }

   
    /*
     * 設(shè)置下拉框
     */
    private void setSpinner()
    {       
        provinceSpinner = (Spinner)findViewById(R.id.spin_province);
        citySpinner = (Spinner)findViewById(R.id.spin_city);
        countySpinner = (Spinner)findViewById(R.id.spin_county);

        //綁定適配器和值
        provinceAdapter = new ArrayAdapter<String>(MainActivity.this,
                android.R.layout.simple_spinner_item, province);
        provinceSpinner.setAdapter(provinceAdapter);
        provinceSpinner.setSelection(3,true);  //設(shè)置默認選中項，此處為默認選中第4個值

        cityAdapter = new ArrayAdapter<String>(MainActivity.this,
                android.R.layout.simple_spinner_item, city[3]);
        citySpinner.setAdapter(cityAdapter);
        citySpinner.setSelection(0,true);  //默認選中第0個

        countyAdapter = new ArrayAdapter<String>(MainActivity.this,
                android.R.layout.simple_spinner_item, county[3][0]);
        countySpinner.setAdapter(countyAdapter);
        countySpinner.setSelection(0, true);

       
        //省級下拉框監(jiān)聽
        provinceSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener()
        {

            // 表示選項被改變的時候觸發(fā)此方法，主要實現(xiàn)辦法：動態(tài)改變地級適配器的綁定值
            @Override
            public void onItemSelected(AdapterView<?> arg0, View arg1, int position, long arg3)
            {
                //position為當前省級選中的值的序號

                //將地級適配器的值改變?yōu)閏ity[position]中的值
                cityAdapter = new ArrayAdapter<String>(
                        MainActivity.this, android.R.layout.simple_spinner_item, city[position]);
                // 設(shè)置二級下拉列表的選項內(nèi)容適配器
                citySpinner.setAdapter(cityAdapter);
                provincePosition = position;    //記錄當前省級序號，留給下面修改縣級適配器時用
            }

            @Override
            public void onNothingSelected(AdapterView<?> arg0)
            {

            }

        });

       
        //地級下拉監(jiān)聽
        citySpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener()
        {

            @Override
            public void onItemSelected(AdapterView<?> arg0, View arg1,
                    int position, long arg3)
            {
                countyAdapter = new ArrayAdapter<String>(MainActivity.this,
                        android.R.layout.simple_spinner_item, county[provincePosition][position]);
                countySpinner.setAdapter(countyAdapter);
            }

            @Override
            public void onNothingSelected(AdapterView<?> arg0)
            {

            }
        });
    }
}