web services - Ksoap2 Runtime Exception SoapObject ClassDefNotFound in Android -

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i trying use .net service in android application using ksoap2 library. added reference jar of ksoap2-android-assembly-2.6.5-jar-with-dependencies in project. when run code runtime exception saying 

java.lang.noclassdeffound : org.ksoap2.serialization.soapobject.

can please ? code.

soapobject request = new soapobject(namespace, method_name);     soapserializationenvelope envelope =          new soapserializationenvelope(soapenvelope.ver11);      envelope.dotnet = true;     envelope.setoutputsoapobject(request);       httptransportse androidhttptransport = new httptransportse(url);      try {         androidhttptransport.call(soap_action, envelope);         soapobject resultsrequestsoap = (soapobject) envelope.bodyin;         tvtemp.settext("received :" + resultsrequestsoap.tostring());     } catch (exception e) {         e.printstacktrace();     }

i solved problem using link provided first commentator on question. leaving answer here in case programmer faces same problem , comes across question.

the solution problem create folder named "libs" in project directory , copying external jar files there.

for further explanation, 1 can refer link. http://tools.android.com/recent/dealingwithdependenciesinandroidprojects


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