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Android Call WebService
- 博客分类：
- Android
android端与服务器交互 一般情况下,我们可以使用SOCKET,HTTP(GET,POST)等,我们也可以使用另外一种方式,webservice,
它是一种基于SAOP协议的远程调用标准，通过webservice可以将不同操作系统平台，不同语言，不同技术整合到一起。说白了就是一种中间件技术.
我们在android客户端中，有时需要一些库，比如XFire,Axis2,CXF等等来支持访问WebService，由于android sdk等并没有提供这些库,所以并不适合我们资源有限的android手机客户端，这里有KSOAP这个第三方的类库，可以帮助我们获取服务器端webService调用，KSOAP已经提供了基于android版本的jar包.
先下载KSOAP包：ksoap2-android-assembly-2.5.4-jar-with-dependencies.jar包
然后新建一个android项目：并把下载的KSOAP包放在android项目的lib目录下：右键->build path->configure build path--选择Libraries，如图：
以下分为七个步骤来调用WebService方法：
第一：实例化SoapObject 对象，指定webService的命名空间（从相关WSDL文档中可以查看命名空间），以及调用方法名称。
public final static String NAMESPACE = "http://tempuri.org/";
public static String wsdl ="http://jinhesoft.com/Service1.asmx";
private final static String defaultAddress ="jinhesoft.com";
private final static String defaultPage = "service1.asmx";
public final static String CONFIG_PATH = "/data/data/org.DigitalCM/DigitalCMWebserviceConfig.dat";
第二步：假设方法有参数的话,设置调用方法参数
request.addProperty("参数名称","参数值");
第三步：设置SOAP请求信息(参数部分为SOAP协议版本号，与你要调用的webService中版本号一致):
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
SoapEnvelope.VER10);
envelope.setOutputSoapObject(request);
// envelope.bodyOut = request;
第四步：构建传输对象，并指明WSDL文档URL：
HttpTransportSE ht = new HttpTransportSE(wsdl);
第五步：调用WebService(其中参数为1：命名空间+方法名称，2：Envelope对象):
ht.call(SOAP_ACTION, envelope);// 调用webservice（其中参数一SOAP_ACTION为命名空间+方法名，参数二为envelope）
第六步：解析返回数据：
resultObject = envelope.getResponse();// 第7步：使用getResponse方法获得WebService方法的返回结果
原理和步骤过程了解后，我们下面结合具体项目实例给大家分享下,我们还是以之前的一篇文章: 登陆界面软件自动更新功能的实现http://blog.csdn.net/jindegegesun/article/details/7232779
为例进行,简化更改一个登陆过程。
1、新建一个登陆的布局界面
第二步：建立登陆的Activity
第四步：添加程序所用的权限：
注意：在第一个DigitalCity .activity的login()方法调用了webservice返回的数据，先贴出代码；
以上的红色字体部分就是具体调用webservice的具体步骤，最后一步，也就是第六步将会提供结果给调用webservice的方法，然后login()方法将通过
result = WSUtil.getSoapObjectByCallingWS(
WebServiceConfig.NAMESPACE, "login", params,
WebServiceConfig.wsdl);
得到第六步返回的结果。
当返回的结果与登陆界面输入的帐号和密码匹配后，登陆就成功了。
当然与服务器交互，这里还需要写接口,关键是其中的sql语句，我是在visual studio 2008上用c#写的一个login接口，如下：
本文转自：http://blog.csdn.net/jindegegesun/article/details/7267813
它是一种基于SAOP协议的远程调用标准，通过webservice可以将不同操作系统平台，不同语言，不同技术整合到一起。说白了就是一种中间件技术.
我们在android客户端中，有时需要一些库，比如XFire,Axis2,CXF等等来支持访问WebService，由于android sdk等并没有提供这些库,所以并不适合我们资源有限的android手机客户端，这里有KSOAP这个第三方的类库，可以帮助我们获取服务器端webService调用，KSOAP已经提供了基于android版本的jar包.
先下载KSOAP包：ksoap2-android-assembly-2.5.4-jar-with-dependencies.jar包
然后新建一个android项目：并把下载的KSOAP包放在android项目的lib目录下：右键->build path->configure build path--选择Libraries，如图：
以下分为七个步骤来调用WebService方法：
第一：实例化SoapObject 对象，指定webService的命名空间（从相关WSDL文档中可以查看命名空间），以及调用方法名称。
public final static String NAMESPACE = "http://tempuri.org/";
public static String wsdl ="http://jinhesoft.com/Service1.asmx";
private final static String defaultAddress ="jinhesoft.com";
private final static String defaultPage = "service1.asmx";
public final static String CONFIG_PATH = "/data/data/org.DigitalCM/DigitalCMWebserviceConfig.dat";
第二步：假设方法有参数的话,设置调用方法参数
request.addProperty("参数名称","参数值");
第三步：设置SOAP请求信息(参数部分为SOAP协议版本号，与你要调用的webService中版本号一致):
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
SoapEnvelope.VER10);
envelope.setOutputSoapObject(request);
// envelope.bodyOut = request;
第四步：构建传输对象，并指明WSDL文档URL：
HttpTransportSE ht = new HttpTransportSE(wsdl);
第五步：调用WebService(其中参数为1：命名空间+方法名称，2：Envelope对象):
ht.call(SOAP_ACTION, envelope);// 调用webservice（其中参数一SOAP_ACTION为命名空间+方法名，参数二为envelope）
第六步：解析返回数据：
resultObject = envelope.getResponse();// 第7步：使用getResponse方法获得WebService方法的返回结果
原理和步骤过程了解后，我们下面结合具体项目实例给大家分享下,我们还是以之前的一篇文章: 登陆界面软件自动更新功能的实现http://blog.csdn.net/jindegegesun/article/details/7232779
为例进行,简化更改一个登陆过程。
1、新建一个登陆的布局界面
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/main_bg"
android:orientation="vertical" >
<ScrollView
android:id="@+id/Main_LinearLayout"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_above="@+id/bottommenu"
android:layout_alignParentTop="true" >
<LinearLayout
android:id="@+id/Main_LinearLayout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<ImageView
android:id="@+id/TitleBG"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@drawable/title_bg" >
</ImageView>
<TextView
android:id="@+id/system_name"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:paddingTop="20dip"
android:text="@string/login_name"
android:textColor="@drawable/black"
android:textSize="30sp" >
</TextView>
<TableLayout
android:id="@+id/TableLayout01"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingLeft="20dip"
android:paddingRight="20dip"
android:paddingTop="20dip"
android:shrinkColumns="1"
android:stretchColumns="1" >
<TableRow android:paddingTop="15dip" >
<TextView
android:id="@+id/TextView01"
android:padding="10dip"
android:text="@string/user_code_text"
android:textColor="@drawable/black"
android:textSize="18sp" >
</TextView>
<EditText
android:id="@+id/user_code"
android:hint="@string/username_hint"
android:padding="10dip"
android:textSize="16sp" />
</TableRow>
<TableRow android:paddingTop="15dip" >
<TextView
android:id="@+id/TextView02"
android:padding="10dip"
android:text="@string/password_text"
android:textColor="@drawable/black"
android:textSize="18sp" >
</TextView>
<EditText
android:id="@+id/user_pwd"
android:hint="@string/password_hint"
android:padding="10dip"
android:password="true"
android:textSize="16sp" />
</TableRow>
<TableRow
android:gravity="center"
android:paddingTop="10dip" >
<CheckBox
android:id="@+id/remember_pwd"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="true"
android:text="@string/rememberpwd_text"
android:textColor="@drawable/black" />
</TableRow>
</TableLayout>
</LinearLayout>
</ScrollView>
<LinearLayout
android:id="@id/bottommenu"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="horizontal"
android:padding="10dip" >
<Button
android:id="@+id/login"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="@string/login_text" >
</Button>
<Button
android:id="@+id/exit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="@string/exit_text" >
</Button>
</LinearLayout>
</RelativeLayout>
第二步：建立登陆的Activity
package cn.jindegegesun.activity;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import org.DigitalCM.entities.UserInfo;
import org.ksoap2.serialization.SoapObject;
import cn.jindegegesun.util.PropertyUtil;
import cn.jindegegesun.webservice.WSObjectMapUtil;
import cn.jindegegesun.webservice.WSObjectUtil;
import cn.jindegegesun.webservice.WSUtil;
import cn.jindegegesun.webservice.WebServiceConfig;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.app.SearchManager.OnCancelListener;
import android.app.SearchManager.OnDismissListener;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
public class DigitalCity extends ContextActivity implements OnClickListener {
public final static int PROGRESS_DIALOG = 1;
public final static int DIALOG_LOGIN_FAIELD = 2;
public final static int DIALOG_CONNECT_ERROR = 3;
public final static int DIALOG_USER_PWD_EMPTY = 4;
public final static int DIALOG_EXIT_PROMPT = 5;
public final static int DIALOG_VERSION_UPDATE = 6;
private Button login = null;
private Button exit = null;
private EditText userCode = null;
private EditText password = null;
private CheckBox rememberpwd = null;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.login);
findViews();
loadConfig();
setOnClickListener();
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
}
public void setOnClickListener() {
/* 为 Button 注册点击事件监听对象，采用了匿名内部类的方式。 */
login.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
login();
}
}
);
/* 为 Button 注册点击事件监听对象，采用了匿名内部类的方式。 */
exit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
exitApp();
}
});
}
public void findViews() {
userCode = (EditText) findViewById(R.id.user_code);
password = (EditText) findViewById(R.id.user_pwd);
rememberpwd = (CheckBox)
findViewById(R.id.remember_pwd);
login = (Button) findViewById(R.id.login);
exit = (Button) findViewById(R.id.exit);
// outlineLogin = (CheckBox)
// contextActivity.findViewById(R.id.outline_login);
}
@SuppressWarnings("static-access")
public void login() {
new Thread(){
public void run(){
if (!validate(userCode.getText().toString(), password.getText()
.toString()));
Map<String, Object> params = new HashMap<String, Object>();
params.put("userName", userCode.getText().toString().trim()
.toLowerCase());
params.put("userPwd", password.getText().toString());
SoapObject result = null;
try {
result = WSUtil.getSoapObjectByCallingWS(
WebServiceConfig.NAMESPACE, "login", params,
WebServiceConfig.wsdl);
//log("SSSSSSSSSSSS");
} catch (Exception ex) {
showDialog(DIALOG_CONNECT_ERROR);
Log.e("Exception", ex.getMessage());
}
if (result == null) {
loginFailed();
}
WSObjectUtil wsObjectUtil = new WSObjectUtil();
SoapObject dataSet = null;
try {
dataSet = wsObjectUtil.getDataSetObject(result);
} catch (Exception e) {
loginFailed();
}
if (dataSet == null) {
loginFailed();
}
List<Map<String, Object>> rowMapList = WSObjectMapUtil
.getRowMapList(dataSet);
UserInfo.setUserInfo(rowMapList.get(0));
Intent intent =new Intent(DigitalCity.this,Main.class);
startActivity(intent);
}
}.start();
}
private Boolean validate(String user_code, String password) {
if (user_code == null || user_code.trim().equals("")
|| password == null || password.trim().equals("")) {
showDialog(DIALOG_USER_PWD_EMPTY);
return false;
}
return true;
}
public void loadConfig() {
Properties properties = PropertyUtil
.loadConfig(WebServiceConfig.CONFIG_PATH);
String username = properties.getProperty("username");
String pwd = properties.getProperty("password");
properties = PropertyUtil.loadConfig(WebServiceConfig.CONFIG_PATH);
username = properties.getProperty("username");
pwd = properties.getProperty("password");
if (pwd != null && !pwd.equals("")) {
rememberpwd.setChecked(true);
password.setText(pwd);
} else {
rememberpwd.setChecked(false);
}
userCode.setText(username);
}
private void loginFailed() {
showDialog(DIALOG_LOGIN_FAIELD);
}
private void exitApp() {
showDialog(DIALOG_EXIT_PROMPT);
}
@Override
protected Dialog onCreateDialog(int id) {
// TODO Auto-generated method stub
switch(id){
case LoginActions.DIALOG_LOGIN_FAIELD:
return new AlertDialog.Builder(this)
.setTitle(R.string.error_title)
.setMessage(R.string.login_failed)
.setPositiveButton(R.string.OK_text,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int arg1) {
// TODO Auto-generated method stub
dialog.cancel();
}
}).show();
case LoginActions.DIALOG_CONNECT_ERROR:
return new AlertDialog.Builder(this)
.setTitle(R.string.message_title)
.setMessage(R.string.connection_error)
.setPositiveButton(R.string.OK_text,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
// TODO Auto-generated method stub
dialog.cancel();
}
}).show();
case LoginActions.DIALOG_USER_PWD_EMPTY:
return new AlertDialog.Builder(this)
.setTitle(R.string.message_title)
.setMessage(R.string.usercode_or_password_empty_warning)
.setPositiveButton(R.string.OK_text,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
// TODO Auto-generated method stub
dialog.cancel();
}
}).show();
case LoginActions.DIALOG_EXIT_PROMPT:
return new AlertDialog.Builder(this)
.setTitle(R.string.message_title)
.setMessage(R.string.exit_prompt)
.setPositiveButton(R.string.OK_text,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
finish();
}
})
.setNegativeButton(R.string.cancel_text,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
dialog.cancel();
}
}).show();
}
return super.onCreateDialog(id);
}
}
package cn.jindegegesun.activity;
import android.app.Activity;
import android.os.Bundle;
import android.view.Window;
public class Main extends Activity {
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);//设置全屏
setContentView(R.layout.main);
}
}
第四步：添加程序所用的权限：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="cn.jindegegesun.activity"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="7" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".DigitalCity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:label="@string/login_name"
android:name="cn.jindegegesun.activity.Main" >
</activity>
</application>
<uses-permission android:name="android.permission.INTERNET" />
</manifest>
注意：在第一个DigitalCity .activity的login()方法调用了webservice返回的数据，先贴出代码；
package cn.jindegegesun.webservice;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Vector;
import org.kobjects.base64.Base64;
import org.ksoap2.SoapEnvelope;
import org.ksoap2.SoapFault;
import org.ksoap2.serialization.PropertyInfo;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapPrimitive;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.HttpTransportSE;
import org.xmlpull.v1.XmlPullParserException;
import android.app.Activity;
import android.util.Log;
public class WSUtil {
public static Boolean getBooleanByCallingWS(String nameSpace,
String methodName, Map<String, Object> params, String wsdl)
throws IOException, XmlPullParserException {
return (Boolean) getObjectByCallingWS(nameSpace, methodName, params,
wsdl);
}
@SuppressWarnings("unchecked")
public static Vector<SoapObject> getSoapObjectVectorByCallingWS(
String nameSpace, String methodName, Map<String, Object> params,
String wsdl) throws IOException, XmlPullParserException {
return (Vector<SoapObject>) getObjectByCallingWS(nameSpace, methodName,
params, wsdl);
}
public static SoapObject getSoapObjectByCallingWS(String nameSpace,
String methodName, Map<String, Object> params, String wsdl)
throws IOException, XmlPullParserException {
return (SoapObject) getObjectByCallingWS(nameSpace, methodName, params,
wsdl);
}
public static SoapPrimitive getSoapPrimitiveByCallingWS(String nameSpace,
String methodName, Map<String, Object> params, String wsdl)
throws IOException, XmlPullParserException {
return (SoapPrimitive) getObjectByCallingWS(nameSpace, methodName,
params, wsdl);
}
public static Object getObjectByCallingWS(String nameSpace,
String methodName, Map<String, Object> params, String wsdl)
throws IOException, XmlPullParserException {
final String SOAP_ACTION = nameSpace + methodName;
Object soapPrimitiveResult = null;
SoapSerializationEnvelope envelope = constructRequestObject2(nameSpace,
methodName, params);
soapPrimitiveResult = callWebservice(SOAP_ACTION, wsdl, envelope);
return soapPrimitiveResult;
}
private static SoapSerializationEnvelope constructRequestObject2(
String nameSpace, String methodName, Map<String, Object> params) {
<span style="color:#ff0000;">SoapObject request = new SoapObject(nameSpace, methodName);// 第一步，实例化SoapObject对象，并指定命名空间和方法名
</span> if (params != null && !params.isEmpty()) {
for (Iterator<Map.Entry<String, Object>> it = params.entrySet()
.iterator(); it.hasNext();) {
Map.Entry<String, Object> e = it.next();
if (e.getValue() instanceof byte[]) {
byte[] d = (byte[]) e.getValue();
String data = new String(Base64.encode(d));
// request.addProperty(e.getKey(), new
// SoapPrimitive(SoapEnvelope.ENC, "base64Binary", data));
<span style="color:#ff0000;">request.addProperty(e.getKey(), data);// 第二步，设置调用参数方法，包括参数名称和参数值
</span> } else {
request.addProperty(e.getKey().toString(), e.getValue());
}
}
}
<span style="color:#ff0000;">// 第三步，设置SOAP请求信息（参数部分为SOAP协议版本号，与你要调用到的WEBSERVICE中的版本号一致）
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
SoapEnvelope.VER10);
envelope.setOutputSoapObject(request);
</span> // envelope.bodyOut = request;
envelope.dotNet = true;
envelope.encodingStyle = SoapSerializationEnvelope.ENC;
return envelope;
}
public static SoapPrimitive getSoapPrimitiveByCallingWSWithFile(
String nameSpace, String methodName, Map<String, Object> params,
String wsdl) throws IOException, XmlPullParserException {
final String SOAP_ACTION = nameSpace + methodName;
SoapPrimitive soapPrimitiveResult = null;
SoapObject request = constructRequestObjectWithFile(nameSpace,
methodName, params);
SoapSerializationEnvelope envelope = getEncEnvelope(request);
soapPrimitiveResult = (SoapPrimitive) callWebservice(SOAP_ACTION, wsdl,
envelope);
return soapPrimitiveResult;
}
public static Object callWebservice(String SOAP_ACTION, String wsdl,
SoapSerializationEnvelope envelope) throws IOException,
XmlPullParserException {
// registerObjects(envelope);
Object resultObject = null;
<span style="color:#ff0000;">HttpTransportSE ht = new HttpTransportSE(wsdl); // 第四步，构建传输对象，并指明wsdl文档url
</span> try {
<span style="color:#ff0000;">ht.call(SOAP_ACTION, envelope);// 第五步，调用webservice（其中参数一SOAP_ACTION为命名空间+方法名，参数二为envelope）
</span> } catch (IOException e) {
Log.e("IOException:", e.getMessage());
// androidHT.reset();
throw e;
} catch (XmlPullParserException e1) {
Log.e("XmlPullParserException", e1.getMessage());
throw e1;
}
try {
<span style="color:#ff0000;">resultObject = envelope.getResponse();// 第6步：使用getResponse方法获得WebService方法的返回结果
</span> } catch (SoapFault e) {
Log.e("SoapFault", e.getMessage());
}
return resultObject;
}
public static SoapObject constructRequestObject(String nameSpace,
String methodName, Map<String, Object> params) {
SoapObject request = new SoapObject(nameSpace, methodName);
if (params != null && !params.isEmpty()) {
for (Iterator<Map.Entry<String, Object>> it = params.entrySet()
.iterator(); it.hasNext();) {
Map.Entry<String, Object> e = it.next();
request.addProperty(e.getKey().toString(), e.getValue());
}
}
return request;
}
public static SoapObject constructRequestObjectWithFile(String nameSpace,
String methodName, Map<String, Object> params) {
SoapObject request = new SoapObject(nameSpace, methodName);
if (params != null && !params.isEmpty()) {
for (Iterator<Map.Entry<String, Object>> it = params.entrySet()
.iterator(); it.hasNext();) {
Map.Entry<String, Object> e = it.next();
if (e.getValue() instanceof byte[]) {
byte[] d = (byte[]) e.getValue();
String data = new String(Base64.encode(d));
request.addProperty(e.getKey(), new SoapPrimitive(
SoapEnvelope.ENC, "base64Binary", data));
} else {
request.addProperty(e.getKey().toString(), e.getValue());
}
}
}
return request;
}
public static SoapSerializationEnvelope getEncEnvelope(SoapObject request) {
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
SoapEnvelope.VER11);
envelope.setOutputSoapObject(request);
// envelope.bodyOut = request;
envelope.dotNet = true;
envelope.encodingStyle = SoapSerializationEnvelope.ENC;
return envelope;
}
public static SoapSerializationEnvelope getEnvelope(SoapObject request) {
// SoapSerializationEnvelope envelope=new
// SoapSerializationEnvelope(SoapEnvelope.VER10);//SOAP 1.0
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
SoapEnvelope.VER10);// SOAP 1.1
// SoapSerializationEnvelope envelope=new
// SoapSerializationEnvelope(SoapEnvelope.VER12);//SOAP 1.2
envelope.dotNet = true;
// envelope.bodyOut = request;
envelope.setOutputSoapObject(request);
return envelope;
}
public static Map<String, String> getDatabyWebservicesMap(
Activity activity, HashMap<String, Object> params, String servies) {
SoapObject queryResult = null;
ArrayList<List<String>> rows = null;
try {
queryResult = WSUtil.getSoapObjectByCallingWS(
WebServiceConfig.NAMESPACE, servies, params,
WebServiceConfig.wsdl);
} catch (Exception e) {
/*
* new
* AlertDialog.Builder(activity.getApplicationContext()).setTitle
* (R.string.message_title) .setMessage(R.string.connection_error)
* .setPositiveButton(R.string.OK_text, null).show();
* activity.finish();
*/
// return;
}
return WSUtil.handleResultMap(queryResult);
}
public static Map<String, String> handleResultMap(SoapObject queryResult) {
WSObjectUtil wsObjectUtil = new WSObjectUtil();
SoapObject dataset = WSUtil.getDataRow(queryResult, 0);
if (dataset == null) {
// noResult();
return null;
}
return (Map<String, String>) WSUtil.getPropertiesMap(dataset);
}
public static SoapObject getDataRow(SoapObject o, Integer index) {
SoapObject row = null;
try {
SoapObject diffgram = (SoapObject) o.getProperty(1);
SoapObject rows = (SoapObject) diffgram.getProperty(0);
row = (SoapObject) rows.getProperty(index);
} catch (Exception e) {
Log.e("Exception", e.getMessage());
}
return row;
}
public static Map<String, String> getPropertiesMap(SoapObject o) {
Map<String, String> propertiesMap = new HashMap<String, String>();
for (int i = 0; i < o.getPropertyCount(); i++) {
PropertyInfo propertyInfo = new PropertyInfo();
o.getPropertyInfo(i, propertyInfo);
String propertyName = propertyInfo.getName();
propertiesMap.put(propertyName, o.getProperty(i).toString());
}
return propertiesMap;
}
public static ArrayList<List<String>> handleResult(SoapObject queryResult) {
WSObjectUtil wsObjectUtil = new WSObjectUtil();
SoapObject dataset = wsObjectUtil.getDataTableObject(queryResult);
if (dataset == null) {
// noResult();
return null;
}
ArrayList<List<String>> rowparameter = new ArrayList<List<String>>();
rowparameter = (ArrayList<List<String>>) WSUtil
.getPropertiesTableList(dataset);
return rowparameter;
}
public static List<List<String>> getPropertiesTableList(SoapObject o) {
List<List<String>> propertiesTableList = new ArrayList<List<String>>();
try {
for (int i = 0; i < o.getPropertyCount(); i++) {
propertiesTableList.add(getPropertiesList((SoapObject) o
.getProperty(i)));
}
} catch (Exception e) {
Log.e("Exception", e.getMessage());
}
return propertiesTableList;
}
public static List<String> getPropertiesList(SoapObject o) {
List<String> propertiesList = new ArrayList<String>();
try {
for (int i = 0; i < o.getPropertyCount(); i++) {
propertiesList.add(o.getProperty(i).toString());
}
} catch (Exception e) {
Log.e("Exception", e.getMessage());
}
return propertiesList;
}
}
以上的红色字体部分就是具体调用webservice的具体步骤，最后一步，也就是第六步将会提供结果给调用webservice的方法，然后login()方法将通过
result = WSUtil.getSoapObjectByCallingWS(
WebServiceConfig.NAMESPACE, "login", params,
WebServiceConfig.wsdl);
得到第六步返回的结果。
当返回的结果与登陆界面输入的帐号和密码匹配后，登陆就成功了。
当然与服务器交互，这里还需要写接口,关键是其中的sql语句，我是在visual studio 2008上用c#写的一个login接口，如下：
[WebMethod(Description = "Android 接口： 登陆 userName 用户名 userPwd 用户密码")]
public DataSet login(string userName, string userPwd)
{
DataSet ds = null;
string strSql = string.Format("select userid, username, password, deptid, realname, tel, email, usermemo, starttime, endtime, mapid, dwid, zw, deptname, purviewmid, dwmc from V_USERS t where t.username = '{0}' and t.password='{1}'", userName, userPwd);
try
{
RetStrSql(strSql);
ds = RetDataSet();
return ds;
}
catch (Exception ex)
{
//throw new Exception(ex.Message);
return null;
}
}
本文转自：http://blog.csdn.net/jindegegesun/article/details/7267813
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