安卓消费WebService，异常HttpTransportSE.call()

Question

晚上好，我花了很长时间尝试使用一个简单的WS，已经研究并尝试了不同的方法来解决这个错误，但失败了，尝试了不同版本的kSOAP，2.5.2，2.6.0，3.0.0，3.3,0。..Gostaria喜欢知道如何解决问题。每次我调用"transporte.call (SOAP_ACTION sobre);“都会生成一个空异常。PS: WS是免费的，这是他们想要访问的链接：http://www.w3schools.com/webservices/tempconvert.asmx

这是我的代码：

private static final String SOAP_ACTION = "http://tempuri.org/CelsiusT  oFahrenheit";
private static final String METHOD_NAME = "CelsiusToFahrenheit";
private static final String NAMESPACE = "http://tempuri.org";
private static final String URL = "http://www.w3schools.com/webservices/tempconvert.asmx";
TextView tv;

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

    tv  = (TextView)findViewById(R.id.textView1);

    try{

        SoapObject request = new SoapObject(NAMESPACE,METHOD_NAME);
        request.addProperty("Celsius", "32");           

        SoapSerializationEnvelope sobre = new SoapSerializationEnvelope(SoapEnvelope.VER11);
        sobre.dotNet = true;
        sobre.setOutputSoapObject(request);

        HttpTransportSE transporte = new HttpTransportSE(URL, 30000);

        transporte.call(SOAP_ACTION, sobre);

        SoapPrimitive resultado = (SoapPrimitive)sobre.getResponse();

        tv.setText("" + resultado.toString());

    }catch(Exception e){
        tv.setText(e.getMessage());
    }

}

感谢你分享这些知识！

Answer 1

您获得了错误的命名空间、方法和soap操作

private static final String SOAP_ACTION = "http://www.w3schools.com/webservices/CelsiusToFahrenheit";
private static final String METHOD_NAME = "CelsiusToFahrenheit";
private static final String NAMESPACE = "http://www.w3schools.com/webservices/";

希望能有所帮助

编辑：

这是可行的：

private static final String SOAP_ACTION = "http://www.w3schools.com/webservices/CelsiusToFahrenheit";
private static final String METHOD_NAME = "CelsiusToFahrenheit";
//private static final String NAMESPACE = "http://www.w3schools.com/webservices";
private static final String NAMESPACE = "http://www.w3schools.com/webservices/";
//private static final String NAMESPACE = "http://www.w3schools.com/webservices/";
private static final String URL = "http://www.w3schools.com/webservices/tempconvert.asmx";
//private static final String URL = "http://www.w3schools.com/webservices/tempconvert.asmx?WSDL";
String result = ""; 

TextView tv;

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

    tv  = (TextView)findViewById(R.id.textView1);

    try{
        SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
        request.addProperty("Celsius", "32");           

        final SoapSerializationEnvelope sobre = new SoapSerializationEnvelope(SoapEnvelope.VER11);
        sobre.dotNet = true;
        sobre.setOutputSoapObject(request);

        final HttpTransportSE transporte = new HttpTransportSE(URL, 30000);

        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    transporte.call(SOAP_ACTION, sobre);

                    SoapPrimitive resultado = (SoapPrimitive)sobre.getResponse();

                    result = resultado.toString();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }).start();

        int countWait = 5; 
        while (result.isEmpty() && countWait > 0){
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
                break;
            }
            countWait--;
        }
        tv.setText(result);

    }catch(Exception e){
        tv.setText(e.getMessage());
    }

}

问题是你不能在主线程中进行网络操作。加上一些命名空间和其他常量问题。

Answer 2

serge中的代码可以工作，但需要一些东西

看不到线程所以，需要警察在主要踏板访问添加此

StrictMode.ThreadPolicy.Builder().permitAll().build()；策略=新的`StrictMode.ThreadPolicy

StrictMode.setThreadPolicy(策略)；

或者使用asinctask

class DemoTask extends AsyncTask<Void, Void, Void> {

protected Void doInBackground(Void... arg0) {
    //Your implementation 
}

protected void onPostExecute(Void result) {
    // TODO: do something with the feed
}

}