Android调用webservice（线程实现）

本文是在Android环境下调用c#写的webservice，由于楼主也是入门初学者，所以过程一波三折 ，由于android4.0后不允许在主线连接网络，直接在主线程中写运行会出错，主线程不能直接访问WebService，需要新建一个线程访问WebService，然后把消息传回更改TextView。所以楼主写一下自己学习他人代码，然后利用线程实现的过程

第一步：新建一个安卓项目，导入webservice所需要的jar包ksoap2-android-assembly-2.4-jar-with-dependencies.jar

第二步：编写布局文件activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="${relativePackage}.${activityClass}" >

<TextView
android:id="@+id/result"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>

</RelativeLayout>

第三步：编写WebServiceUtils

public class WebServiceUtils {
public static final String WEB_SERVER_URL = "http://192.168.1.100:80/WebService1.asmx";
// 含有3个线程的线程池
private static final ExecutorService executorService = Executors
.newFixedThreadPool(1);
// 命名空间
private static final String NAMESPACE = "http://tempuri.org/";

/**
*
* @param url
*            WebService服务器地址
* @param methodName
*            WebService的调用方法名
* @param properties
*            WebService的参数
* @param webServiceCallBack
*            回调接口
*/
public static void callWebService(String url, final String methodName,
final WebServiceCallBack webServiceCallBack) {
// 创建HttpTransportSE对象，传递WebService服务器地址
final HttpTransportSE httpTransportSE = new HttpTransportSE(url);
// 创建SoapObject对象
SoapObject soapObject = new SoapObject(NAMESPACE, methodName);

// 实例化SoapSerializationEnvelope，传入WebService的SOAP协议的版本号
final SoapSerializationEnvelope soapEnvelope = new SoapSerializationEnvelope(
SoapEnvelope.VER12);
// 设置是否调用的是.Net开发的WebService
soapEnvelope.setOutputSoapObject(soapObject);
soapEnvelope.dotNet = true;
httpTransportSE.debug = true;

// 用于子线程与主线程通信的Handler
final Handler mHandler = new Handler() {

@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
// 将返回值回调到callBack的参数中
webServiceCallBack.callBack((SoapObject) msg.obj);
}

};

// 开启线程去访问WebService
executorService.submit(new Runnable() {

@Override
public void run() {
SoapObject resultSoapObject = null;

try {
httpTransportSE.call(NAMESPACE + methodName, soapEnvelope);

System.out.println("soap envelop"+soapEnvelope.getResponse());
if (soapEnvelope.getResponse() != null) {

// 获取服务器响应返回的SoapObject
resultSoapObject = (SoapObject) soapEnvelope.bodyIn;
}
} catch (HttpResponseException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (XmlPullParserException e) {
e.printStackTrace();
} finally {
// 将获取的消息利用Handler发送到主线程
mHandler.sendMessage(mHandler.obtainMessage(0,
resultSoapObject));
}
}
});
}

public interface WebServiceCallBack {
public void callBack(SoapObject result);
}

}

第四步：编写ProgressDialogUtils

public class ProgressDialogUtils {
private static ProgressDialog mProgressDialog;

/**
* 显示ProgressDialog
* @param context
* @param message
*/
public static void showProgressDialog(Context context, CharSequence message){
if(mProgressDialog == null){
mProgressDialog = ProgressDialog.show(context, "", message);
}else{
mProgressDialog.show();
}
}

/**
* 关闭ProgressDialog
*/
public static void dismissProgressDialog(){
if(mProgressDialog != null){
mProgressDialog.dismiss();
mProgressDialog = null;
}
}
}

第五步：在配置文件AndroidManifest.xml中加入 <uses-permission android:name="android.permission.INTERNET"/>入网许可 最后运行结果