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Showing posts with label Web service. Show all posts
Showing posts with label Web service. Show all posts

Wednesday 17 July 2013

How to call asp.net web service from android application

create simple drop down menu using jquery
Introduction : -

 In this  article i am explaining how to call the asp.net  asmx web service .This is very nice article for call the asmx web  service for android application.
Setp 1 ->  Open visual studio and create a new project like this

File->new->Project
And write the name of project and click ok

Step 2  -> Write click on project  add ->add new item
select  web service and click ok and write the code as shown below on our webservice.asmx



using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;


[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

public class WebService : System.Web.Services.WebService {

    public WebService () {

        //Uncomment the following line if using designed components
        //InitializeComponent();
    }

  

    [WebMethod]
    public int Add(int a, int b)
    {
        return a + b;
    }

  
  
}

Step 3 -> Run our web service and check the output is proper or not  like this
Click on Add


Enter Values  a=10 and b=10

Then Click on Invoke and output as shown below

 
Start Android Applcation : -

step 1 -> Doble Click on eclipse IDE and  in front of you appear the GUI .
step 2 -> select File->new->Android Application Project
and fill all the filed as show in image


step 3-> Click Next->Next->Next->Next->Finish
Step 4-> On Android Application is Created

Step4->Download the jar file
ksoap2-android-assembly-2.5.5-jar-with-dependencies.jar

Step 5 -> Copy and past in libs folder and write click->Build Path->Configration Build Path

Note - If libs  folder not avable in our project then create new folder name like libs and keep this jar file

step 6 -> Now Write Click on  Project Add->New->Class  [class name like CallSoap.java]

And Write the Code as Shown Below 


import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.PropertyInfo;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.HttpTransportSE;
public class CallSoap {
    public final String SOAP_ACTION = "http://tempuri.org/Add";

    public  final String OPERATION_NAME = "Add";

    public  final String WSDL_TARGET_NAMESPACE = "http://tempuri.org/";

    public  final String SOAP_ADDRESS = "http://179.45.33.245/webservice/WebService.asmx";
    public CallSoap()
    {
    }
    public String Call(int a,int b)
    {
        SoapObject request = new SoapObject(WSDL_TARGET_NAMESPACE,OPERATION_NAME);
        PropertyInfo pi=new PropertyInfo();
        pi.setName("a");
        pi.setValue(a);
        pi.setType(Integer.class);
        request.addProperty(pi);
        pi=new PropertyInfo();
        pi.setName("b");
        pi.setValue(b);
        pi.setType(Integer.class);
        request.addProperty(pi);

        SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
                SoapEnvelope.VER11);
        envelope.dotNet = true;

        envelope.setOutputSoapObject(request);

        HttpTransportSE httpTransport = new HttpTransportSE(SOAP_ADDRESS);
        Object response=null;
        try
        {
            httpTransport.call(SOAP_ACTION, envelope);
            response = envelope.getResponse();
        }
        catch (Exception exception)
        {
            response=exception.toString();
        }
        return response.toString();
    }
}

step 7 -> open activity_main.xml and copy and past the code

<?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="hello" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="230dp"
        android:layout_height="wrap_content" >

        <requestFocus />
    </EditText>

    <EditText
        android:id="@+id/editText2"
        android:layout_width="232dp"
        android:layout_height="wrap_content" />
   
   
  
   

    <Button
        android:id="@+id/button1"
        android:layout_width="229dp"
        android:layout_height="wrap_content"
        android:text="submit" />

   

</LinearLayout>
 
Step 8 -> Open the MainActivity.java

And write the code as shown below

import android.R.string;
import android.os.Bundle;
import android.os.StrictMode;
import android.app.Activity;
import android.app.AlertDialog;
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 MainActivity extends Activity {

    private TextView textDisplay;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (android.os.Build.VERSION.SDK_INT > 9) {
            StrictMode.ThreadPolicy policy =
                new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }
        setContentView(R.layout.activity_main);
        Button b1=(Button)findViewById(R.id.button1);
        //textDisplay =(TextView)findViewById(R.id.text);
        //textDisplay.setText("heloo");
        final  AlertDialog ad=new AlertDialog.Builder(this).create();

        b1.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View arg0) {
                // TODO Auto-generated method stub
                CallSoap cs=new CallSoap();
                //soapshowrecord showrec=new soapshowrecord();               
                try
                {
                    EditText ed1=(EditText)findViewById(R.id.editText1);
                    EditText ed2=(EditText)findViewById(R.id.editText2);
                    int a=Integer.parseInt(ed1.getText().toString());
                    int b=Integer.parseInt(ed2.getText().toString());
                    //EditText ed3=(EditText)findViewById(R.id.text);
                    //String record=(ed3.getText().toString());
                    ad.setTitle("OUTPUT OF ADD of "+a+" and "+b);
                   
                    //String resp1=showrec.Call1(record);
                    //record=resp1;
                   
                    String resp=cs.Call(a, b);
                    ad.setMessage(resp);
                }catch(Exception ex)
                {
                    ad.setTitle("Error!");
                    ad.setMessage(ex.toString());
                }
                ad.show(); }
        });
    }

}

Output as shown Below



 

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