在Android中调用WebService实例

<span style="font-size:16px;"><?xml version="1.0" encoding="utf-8"?> 
<soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope"> 
 <soap12:Body> 
  <getMobileCodeInfo xmlns="http://WebXml.com.cn/"> 
   <mobileCode>$mobile</mobileCode> 
   <userID></userID> 
  </getMobileCodeInfo> 
 </soap12:Body> 
</soap12:Envelope></span>

<span style="font-size:16px;"><?xml version="1.0" encoding="utf-8"?> 
<LinearLayout 
  xmlns:android="http://schemas.android.com/apk/res/android" 
  android:orientation="vertical" 
  android:layout_width="fill_parent" 
  android:layout_height="fill_parent"> 
  <TextView 
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="手机号码" /> 
  <EditText 
    android:id="@+id/mobileNum"  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="" 
    /> 
  <Button 
    android:id="@+id/btnSearch" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="查询" 
    /> 
  <TextView 
    android:id="@+id/mobileAddress" 
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    /> 
</LinearLayout></span> 

<span style="font-size:16px;">package com.szy.webservice; 
 
 
import java.io.ByteArrayOutputStream; 
import java.io.InputStream; 
import java.io.OutputStream; 
import java.net.HttpURLConnection; 
import java.net.URL; 
import java.util.HashMap; 
import java.util.Map; 
import java.util.regex.Matcher; 
import java.util.regex.Pattern; 
 
 
import org.xmlpull.v1.XmlPullParser; 
 
 
import android.app.Activity; 
import android.os.Bundle; 
import android.util.Log; 
import android.util.Xml; 
import android.view.View; 
import android.widget.Button; 
import android.widget.EditText; 
import android.widget.TextView; 
import android.widget.Toast; 
 
 
/** 
 * @author coolszy 
 * @date 2012-3-8 
 * @blog http://blog.92coding.com 
 */ 
public class MainActivity extends Activity 
{ 
  private EditText mobileNum; 
  private TextView mobileAddress; 
  private static final String TAG = "MainActivity"; 
 
 
  @Override 
  public void onCreate(Bundle savedInstanceState) 
  { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 
 
 
    mobileNum = (EditText) this.findViewById(R.id.mobileNum); 
    mobileAddress = (TextView) this.findViewById(R.id.mobileAddress); 
    Button btnSearch = (Button) this.findViewById(R.id.btnSearch); 
    btnSearch.setOnClickListener(new View.OnClickListener() 
    { 
      @Override 
      public void onClick(View v) 
      { 
        // 获取电话号码 
        String mobile = mobileNum.getText().toString(); 
        // 读取xml文件 
        InputStream inStream = this.getClass().getClassLoader().getResourceAsStream("mobilesoap.xml"); 
        try 
        { 
          // 显示电话号码地理位置，该段代码不合理，仅供参考 
          mobileAddress.setText(getMobileAddress(inStream, mobile)); 
        } catch (Exception e) 
        { 
          Log.e(TAG, e.toString()); 
          Toast.makeText(MainActivity.this, "查询失败", 1).show(); 
        } 
      } 
    }); 
  } 
 
 
  /** 
   * 获取电话号码地理位置 
   * 
   * @param inStream 
   * @param mobile 
   * @return 
   * @throws Exception 
   */ 
  private String getMobileAddress(InputStream inStream, String mobile) throws Exception 
  { 
    // 替换xml文件中的电话号码 
    String soap = readSoapFile(inStream, mobile); 
    byte[] data = soap.getBytes(); 
    // 提交Post请求 
    URL url = new URL("http://webservice.webxml.com.cn/WebServices/MobileCodeWS.asmx"); 
    HttpURLConnection conn = (HttpURLConnection) url.openConnection(); 
    conn.setRequestMethod("POST"); 
    conn.setConnectTimeout(5 * 1000); 
    conn.setDoOutput(true); 
    conn.setRequestProperty("Content-Type", "application/soap+xml; charset=utf-8"); 
    conn.setRequestProperty("Content-Length", String.valueOf(data.length)); 
    OutputStream outStream = conn.getOutputStream(); 
    outStream.write(data); 
    outStream.flush(); 
    outStream.close(); 
    if (conn.getResponseCode() == 200) 
    { 
      // 解析返回信息 
      return parseResponseXML(conn.getInputStream()); 
    } 
    return "Error"; 
  } 
 
 
  private String readSoapFile(InputStream inStream, String mobile) throws Exception 
  { 
    // 从流中获取文件信息 
    byte[] data = readInputStream(inStream); 
    String soapxml = new String(data); 
    // 占位符参数 
    Map<String, String> params = new HashMap<String, String>(); 
    params.put("mobile", mobile); 
    // 替换文件中占位符 
    return replace(soapxml, params); 
  } 
 
 
  /** 
   * 读取流信息 
   * 
   * @param inputStream 
   * @return 
   * @throws Exception 
   */ 
  private byte[] readInputStream(InputStream inputStream) throws Exception 
  { 
    byte[] buffer = new byte[1024]; 
    int len = -1; 
    ByteArrayOutputStream outSteam = new ByteArrayOutputStream(); 
    while ((len = inputStream.read(buffer)) != -1) 
    { 
      outSteam.write(buffer, 0, len); 
    } 
    outSteam.close(); 
    inputStream.close(); 
    return outSteam.toByteArray(); 
  } 
 
 
  /** 
   * 替换文件中占位符 
   * 
   * @param xml 
   * @param params 
   * @return 
   * @throws Exception 
   */ 
  private String replace(String xml, Map<String, String> params) throws Exception 
  { 
    String result = xml; 
    if (params != null && !params.isEmpty()) 
    { 
      for (Map.Entry<String, String> entry : params.entrySet()) 
      { 
        String name = "\\$" + entry.getKey(); 
        Pattern pattern = Pattern.compile(name); 
        Matcher matcher = pattern.matcher(result); 
        if (matcher.find()) 
        { 
          result = matcher.replaceAll(entry.getValue()); 
        } 
      } 
    } 
    return result; 
  } 
 
 
  /** 
   * 解析XML文件 
   * @param inStream 
   * @return 
   * @throws Exception 
   */ 
  private static String parseResponseXML(InputStream inStream) throws Exception 
  { 
    XmlPullParser parser = Xml.newPullParser(); 
    parser.setInput(inStream, "UTF-8"); 
    int eventType = parser.getEventType();// 产生第一个事件 
    while (eventType != XmlPullParser.END_DOCUMENT) 
    { 
      // 只要不是文档结束事件 
      switch (eventType) 
      { 
      case XmlPullParser.START_TAG: 
        String name = parser.getName();// 获取解析器当前指向的元素的名称 
        if ("getMobileCodeInfoResult".equals(name)) 
        { 
          return parser.nextText(); 
        } 
        break; 
      } 
      eventType = parser.next(); 
    } 
    return null; 
  } 
}</span> 

<span style="font-size:16px;"><uses-permission android:name="android.permission.INTERNET"/></span>