Accessing Webservices using SOAP Example

Android – Accessing Webservices using SOAP Example

Source main.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="@string/hello" />

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Celsius to Farenheit" />

    <EditText

        android:id="@+id/editText1"

        android:layout_width=" fill_parent"

        android:layout_height="wrap_content"

        android:numeric="integer"

        android:singleLine="true" />

    <Button

        android:id="@+id/button1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Convert to Farenheit" />

    <TextView

        android:id="@+id/tv_result"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="" />

</LinearLayout>

Source WebserviceActivity.java

package com.webserviceexample;

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.app.Activity;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

public class WebserviceActivity 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;

            public void onCreate(Bundle savedInstanceState) {

                        super.onCreate(savedInstanceState);

                        setContentView(R.layout.main);

                        et = (EditText) findViewById(R.id.editText1);

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

                        b = (Button) findViewById(R.id.button1);

                        b.setOnClickListener(new OnClickListener() {

                                    public void onClick(View v) {

                                                String result = getFahrenheit(et.getText().toString());

                                                tv.setText(result+"° F");

                                    }

                        });

            }

            public String getFahrenheit(String celsius) {

                        SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);

                        PropertyInfo celsiusPI = new PropertyInfo();

                        celsiusPI.setName("Celsius");

                        celsiusPI.setValue(celsius);

                        celsiusPI.setType(double.class);

                        request.addProperty(celsiusPI);

                        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;

            }

}

Note:

·         Add Internet Permission in your AndroidManifest.xml file.

·         Download ksoap2.jar and add to buildpath.

The output will be