在android中调用soap webservice

问题描述

我需要在Android设备中调用soap webservice。我一直在阅读stackoverflow和其他页面上的很多文章，看视频...但我已经尝试了所有的东西，我无法让它在我的Android设备上工作，我无法在模拟器上测试，因为我的电脑无法处理它们中的任何一个，所以我不知道错误是在代码上还是我的Android设备有问题。

I need to make a call to a soap webservice in an android device. I have been reading a lot of articles in stackoverflow and on other pages, watching videos... But I've tried everythin and I can't make it work in my android device, and I can't test in on an emulator, because my computer can't handle any of them, so I don't know if the error is on the code or if it's a problem of my android device.

layout xml只是一个EditText，一个Button和一个TextView。

The layout xml are only an EditText, a Button, and a TextView.

在这个链接中你可以看到我需要发送到webservice的请求xml（我应该使用SOAP吗？） 1.1或SOAP 1.2？）

In this link you can see the request xml I need to send to the webservice (should I use SOAP 1.1 or SOAP 1.2 ?)http://www.webservicex.net/globalweather.asmx?op=GetCitiesByCountry

这是我的实际代码，我尝试了很多其他方法，但没有一个方法适合我。有帮助吗？ （url，namespace，soap_action和method_name值都是okey，不是吗？）

This is my actual code, and I have tried many other ways, and none of them have worked for me. Any help? (url, namespace, soap_action and method_name values are okey, aren't they?)

package com.example.doazdoas.webservice_prueba;


    import android.app.Activity;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.View;
    import android.widget.Button;
    import android.widget.TextView;

    import org.ksoap2.SoapEnvelope;
    import org.ksoap2.serialization.SoapObject;
    import org.ksoap2.serialization.SoapSerializationEnvelope;
    import org.ksoap2.transport.HttpTransportSE;

    import android.os.AsyncTask;
    import android.widget.Toast;

    import static android.content.ContentValues.TAG;

   public class MainActivity extends Activity{
    private TextView textResult;
    private Button buttonSend;

    String NAMESPACE = "http://www.webserviceX.NET/";
    String METHOD_NAME = "GetCitiesByCountry";
    String SOAP_ACTION = NAMESPACE + METHOD_NAME;
    String URL = "http://www.webservicex.net/globalweather.asmx?WSDL";

    private Object resultsRequestSOAP = null;

    HttpTransportSE androidHttpTransport;

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

        textResult = (TextView)findViewById(R.id.textResultado);
        buttonSend = (Button)findViewById(R.id.buttonEnviar);
        //setContentView(tv);
    }

    public void onClickEnviar(View view){
        AsyncCallWS task = new AsyncCallWS();
        task.execute();
    }

    private class AsyncCallWS extends AsyncTask<Void, Void, Void> {

        @Override
        protected void onPreExecute() {
            Log.i(TAG, "onPreExecute");
        }

        @Override
        protected Void doInBackground(Void... params) {
            Log.i(TAG, "doInBackground");
            sendRequest();
            return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            Log.i(TAG, "onPostExecute");
            Log.d("dump Request: " ,androidHttpTransport.requestDump);
            Log.d("dump response: " ,androidHttpTransport.responseDump);
        }

    }


    public void sendRequest(){
        SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);


        //SoapObject
        request.addProperty("@CountryName", "SPAIN");
        SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);
        envelope.setOutputSoapObject(request);


        androidHttpTransport = new HttpTransportSE(URL);
        try
        {
            androidHttpTransport.call(SOAP_ACTION, envelope);
            resultsRequestSOAP =  envelope.getResponse();
            String[] results = (String[])  resultsRequestSOAP;
            textResult.setText( results[0]);
        }
        catch (Exception aE)
        {
            aE.printStackTrace ();
        }
    }
}

推荐答案

您可以在 doInBackGround 中执行任何与UI相关的操作，因此请在 onPostExecute中移动它们 methnod。

You can do any UI related operations in doInBackGround, So move them in onPostExecute methnod.

因为 doInBackGround 不是UI线程。请仔细阅读AsyncTask文档。无论您从 doInBackGround 返回的数据是什么，它都被视为 onPostExecute 的输入。

Because doInBackGround is not a UI thread. Please read AsyncTask Document carefully. Whatever is the data you are returning from doInBackGround, it is being taken as input to onPostExecute.

所以更改你的代码如下，

So change your code as follows,

    private class AsyncCallWS extends AsyncTask<Void, Void, Void> {

    @Override
    protected void onPreExecute() {
        Log.i(TAG, "onPreExecute");
    }

    @Override
    protected String[] doInBackground(Void... params) {
        Log.i(TAG, "doInBackground");
        String[] data = sendRequest();
        return data;
    }

    @Override
    protected void onPostExecute(String[] result) {
        Log.i(TAG, "onPostExecute");
        if(result != null && result.length > 0){
             textResult.setText( results[0]);
        }
    }

}


private String[] sendRequest(){
    SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);


    //SoapObject
    request.addProperty("@CountryName", "SPAIN");
    SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);
    envelope.setOutputSoapObject(request);


    androidHttpTransport = new HttpTransportSE(URL);
    try
    {
        androidHttpTransport.call(SOAP_ACTION, envelope);
        resultsRequestSOAP =  envelope.getResponse();
        String[] results = (String[])  resultsRequestSOAP;
    }
    catch (Exception aE)
    {
        aE.printStackTrace ();
    }
}

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