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POandroid -How to pass double value to service using ksoap
 

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    <p>In My application i want to pass the <code>double value</code> to the <code>web service</code> using <code>ksoap</code> but i am getting the <code>NPE</code>. In the code "exit_distance" is double value. can any body find the error in that and send the sample example</p> <p><strong>code here</strong></p> <pre><code>//valus required for test RB_Constant.RB_Webservice_URL = ? RB_Constant.RB_Webservice_Namespace = ? public String getExitsRestaurants() throws SoapFault { String data = ""; String serviceUrl = RB_Constant.RB_Webservice_URL; String serviceNamespace = RB_Constant.RB_Webservice_Namespace; String soapAction = "http://www.roadbrake.com/GetExitDetailsExtn"; String type_of_soap = "GetExitDetailsExtn"; try { SoapObject Request = new SoapObject(serviceNamespace, type_of_soap); PropertyInfo HighwayIdObj = new PropertyInfo (); HighwayIdObj.name = "HighwayId"; HighwayIdObj.type = PropertyInfo.INTEGER_CLASS; Request.addProperty("ExitNo", 7); Request.addProperty(HighwayIdObj, highwayid); Request.addProperty("HighwayName", 95); Request.addProperty("exit_distance", 1.2); System.out.println("Request Value-&gt;"+Request.toString()); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet = true; MarshalDouble md = new MarshalDouble(); md.register(envelope); envelope.setOutputSoapObject(Request); try { HttpTransportSE androidHttpTransport = new HttpTransportSE(serviceUrl); androidHttpTransport.call(soapAction, envelope); } catch(Exception e) { System.out.println("Webservice calling error -&gt;"+e.toString()); } SoapPrimitive response = (SoapPrimitive)envelope.getResponse(); data = response.toString(); System.out.println("web service response-&gt;"+response.toString()); } catch(Exception e) { System.out.println("Soap Method Error -&gt;"+e.toString()); } return data; } public class MarshalDouble implements Marshal { @Override public Object readInstance(XmlPullParser parser, String namespace, String name, PropertyInfo expected) throws IOException, XmlPullParserException { return Double.parseDouble(parser.nextText()); } public void register(SoapSerializationEnvelope cm) { cm.addMapping(cm.xsd, exit_distance, Double.class, this); } @Override public void writeInstance(XmlSerializer writer, Object obj) throws IOException { writer.text(obj.toString()); } } </code></pre>
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