android中调用.net web service

package com. android;

import java.util.ArrayList;
import java.util.Hash Map;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapPrimitive;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.AndroidHttpTransport;

import android. app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view. View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget. ListView;
import android.widget.SimpleAdapter;

public class MainActivity extends Activity {
        //显示结果的listview
        ListView listView=null;
        //输入文本框
        EditText provinceEdit=null;
        //用于存放 数据的集合list
        List<Map<String, Object>> data=null;
        //提示对话框
        ProgressDialog myDialog=null;
        //搜索按钮
        Button searchButton=null;
       
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        //获得文本输入框
        provinceEdit=(EditText) this.findViewById(R.id.provinceEdit);
        //获得搜索按钮
        searchButton=(Button) this.findViewById(R.id.searchButton);
        //为搜索按钮添加单击监听事件
        searchButton.setOnClickListener(new OnClickListener(){

                        public void onClick(View v) {
                                //响应按钮单击事件的函数
                                ResponseOnClick();
                               
                        }
               
        });
    }
   
    //响应按钮单击事件的函数
   public  void  ResponseOnClick(){
          
            //创建一个线程
           HttpThread thread=new HttpThread(handler);
          
           //构造请求参数
           HashMap <String ,Object> params=new HashMap<String ,Object>();
           try{
                   CharSequence etValue=provinceEdit.getText();
                   String name="";
                   if(etValue!=null){
                           //字符转码
                            name=new String(etValue.toString().getBytes(),"UTF-8");
                           
                   }
                   params.put("byProvinceName", name);
           }catch(Exception ex){
                   ex.printStackTrace();
           }
          
           //
           String url="http://webservice.webxml.com.cn/Web Services/WeatherWebService.asmx";
          // String url = "http://webservice.webxml.com.cn/WebServices/WeatherWebService.asmx";  
       String nameSpace = "http://WebXml.com.cn/";  
       String methodName = "getSupportCity";  
       // 开始新线程进行WebService请求  
       thread.doStart(url, nameSpace, methodName, params);  
          
    }
   /**
    * 捕获消息队列
    *
    */
   Handler handler=new Handler(){
          
         public void handleMessage(Message m){
                 ArrayList <String> myList=(ArrayList<String>)m.getData().getStringArrayList("data");
                
                 if(myList !=null){
                         if(data !=null){
                                 data.clear();
                         }else{
                                 data=new ArrayList<Map <String, Object>>();
                         }
                        
                         for(int i=0;i<myList.size();i++){
                                 Map<String, Object> item=new HashMap<String, Object>();
                                 item.put("text", myList.get(i));
                                 data.add(item);
                         }
                        
                         /**
                          * 列表显示
                          *
                          */
                         SimpleAdapter simpleAdapter=new SimpleAdapter(MainActivity.this
                        ,data,R.layout.listlayout,new String[] {"text"},new int []{R.id.showData});
                         listView=(ListView) findViewById(R.id.showListView);
                         listView.setAdapter(simpleAdapter);
                 }
         } 
   };
  /**
   * 线程类
   * @author Administrator
   *
   */
  
   public class HttpThread extends Thread{
           private Handler handle=null;
           String url=null;
           String nameSpace=null;
           String methodName=null;
           HashMap <String ,Object> params=null;
           ProgressDialog progressDialog=null;
          
           //构造函数
           public HttpThread(Handler hander){
                   handle=hander;
           }
          
           /**
            * 启动线程
            */
           public void doStart(String url, String nameSpace, String methodName,
                                HashMap<String, Object> params) {
                        // TODO Auto-generated method stub
                   this.url=url;
                   this.nameSpace=nameSpace;
                   this.methodName=methodName;
                   this.params=params;
                 
                   progressDialog=ProgressDialog.show(MainActivity.this, "提示","正在请求请稍等......", true);
                   this.start();
                }
           /**
            * 线程 运行
            */
        @Override
        public void run() {
                // TODO Auto-generated method stub
                System.out.println("jack");
                super.run();
                try{
                        //web service请求
                        SoapObject result=(SoapObject) CallWebService();
                        //构造数据
                        ArrayList<String> list=null;
                        if(result !=null && result.getPropertyCount() > 0){
                                list=new ArrayList<String>();
                               
                                for(int i=0;i<result.getPropertyCount();i++){
                                        SoapPrimitive value=(SoapPrimitive) result.getProperty(i);
                                        list.add(value.toString());
                                }
                               
                                //a取消进度对话框
                                progressDialog.dismiss();
                                //构造消息
                                Message message=handle.obtainMessage();
                                Bundle b=new Bundle();
                                b.putStringArrayList("data", list);
                                message.setData(b);
                                handle.sendMessage(message);
                        }
                }catch(Exception ex){
                        ex.printStackTrace();
                }finally{
                       
                }
        }
       
        /**
         * 请求web service
         */
        protected Object CallWebService(){
                String SOAP_ACTION = nameSpace + methodName;
                //创建SoapObject 实例
                SoapObject request=new SoapObject(nameSpace,methodName);
                //生成调用web service方法的soap请求消息
                SoapSerializationEnvelope envelope=new SoapSerializationEnvelope(SoapEnvelope.VER11);
                // 设置.net web service
                envelope.dotNet=true;
                //发送请求
                envelope.setOutputSoapObject(request);
                //请求参数
                if(params != null && !params.isEmpty() ){
                        for(Iterator it=params.entrySet().iterator();it.hasNext();){
                                Map.Entry e=(Entry) it.next();
                                request.addProperty(e.getKey().toString(),e.getValue());
                        }
                }
                //
                AndroidHttpTransport androidHttpTrandsport=new AndroidHttpTransport(url);
                SoapObject result=null;
                try{
                        //web service请求
                        androidHttpTrandsport.call(SOAP_ACTION, envelope);
                        //得到返回结果
                        result=(SoapObject) envelope.getResponse();
                }catch(Exception ex){
                        ex.printStackTrace();
                }
                return result;
               
        }
   }
}