ksoap2 を使用して Android から .net Web サービスに接続しようとしていますが、null の出力が表示され"null°F"
ます。以下のログ ファイルを見つけて、これをクリアするのを手伝ってください。Web サービスから KSOAP を使用します
package com.example.webservice;
import org.ksoap2.SoapEnvelope;
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 android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class WebService extends Activity {
private final String NAMESPACE = "http://tempuri.org/";
private final String URL = "http://www.w3schools.com/webservices/tempconvert.asmx";
private final String SOAP_ACTION = "http://tempuri.org/CelsiusToFahrenheit";
private final String METHOD_NAME = "CelsiusToFahrenheit";
Button b;
TextView tv;
EditText et;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_web_service);
et=(EditText)findViewById(R.id.editText1);
tv=(TextView)findViewById(R.id.Result);
b=(Button)findViewById(R.id.button1);
b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String result=getFarenheit(et.getText().toString());
tv.setText(result+"°F");
}
});
}
public String getFarenheit(String celsius){
SoapObject request= new SoapObject(NAMESPACE, METHOD_NAME);
PropertyInfo celsuiusPI= new PropertyInfo();
celsuiusPI.setName("Celsius");
celsuiusPI.setValue(celsius);
celsuiusPI.setType(double.class);
request.addProperty(celsuiusPI);
SoapSerializationEnvelope envelope=new SoapSerializationEnvelope (SoapEnvelope.VER11);
envelope.dotNet=true;
envelope.setOutputSoapObject(request);
HttpTransportSE androidHttpTransport=new HttpTransportSE(URL);
try{
androidHttpTransport.call(SOAP_ACTION, envelope);
SoapPrimitive response=(SoapPrimitive)envelope.getResponse();
Log.i("WebService output", response.toString());
return response.toString();
}
catch(Exception e){
e.printStackTrace();
}
//return null;
return null;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_web_service, menu);
return true;
}
}
誰かが私のプログラムの欠点を教えてもらえますか