SOAP IMPLEMENTATION WITH GENERIC CALLBACK METHOD IN ANDROID

package com.oodles.network;

import java.util.Enumeration;
import java.util.Hashtable;

import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.HttpTransportSE;

import android.content.Context;

public class NetworkCall {
	String SOAPNameSpace = "Your SOAP name space";
	String SOAPUrl = "Your SOAP url";
	int networkTimeOut = 30 * 1000;// 30 seconds
	Context mContext;

	public NetworkCall(Context context) {
		mContext = context;
	}

	// Get SOAP Action Name
	public String getSoapAction(String method) {
		return "\"" + SOAPNameSpace + method + "\"";
	}

	public String postDataToSOAPService(Hashtable<string, string> hashTable,
			String methodName) throws Exception {
		
		//Create a SOAP Object.
		SoapObject request = new SoapObject(SOAPNameSpace, methodName);
		
		//HashTable Enumeration for passing number of params along with there keys
		Enumeration<string> enumer = hashTable.keys();
		while (enumer.hasMoreElements()) {
			String key = (String) enumer.nextElement();
			request.addProperty(key, hashTable.get(key));
		}
		
		//Create a serializable Object.
		SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
				SoapEnvelope.VER11);
		
		//SOAP is implemented in dotNet true/false.
		envelope.dotNet = true;
		
		//Set request data into envelope and send request using HttpTransport
		envelope.setOutputSoapObject(request);
		HttpTransportSE androidHttpTransport = new HttpTransportSE(SOAPUrl,
				networkTimeOut);
		androidHttpTransport.call(getSoapAction(methodName), envelope);
		
		//Get Response Data in form of SOAPObject
		SoapObject result = (SoapObject) envelope.bodyIn;
		
		
		//Free all the object after use for better performance 
		request = null;
		envelope = null;
		androidHttpTransport = null;
		
		
		//Return Result Response Data
		return result.toString();
	}
}

package com.oodles.network;

import java.util.Hashtable;

import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;

public class NetworkTask extends AsyncTask<string, string> {

	Context mContext;
	NetworkTaskCompleteListener mListener;
	Hashtable<string, string> mHashTable;
	Boolean mProgress = true;

	public NetworkTask(Context context, Hashtable<string, string> hashTable,
			boolean progress) {
		mContext = context;
		mListener = (NetworkTaskCompleteListener) context;
		mHashTable = hashTable;
		mProgress = progress;

	}

	ProgressDialog pd;
	@Override
	protected void onPreExecute() {
		// TODO Auto-generated method stub
		super.onPreExecute();
		if (mProgress) {
			pd = ProgressDialog.show(mContext, null, "Loading");
		}
	}

	@Override
	protected String doInBackground(String... params) {
		// TODO Auto-generated method stub
		String result = null;
		try {
			result = new NetworkCall(mContext).postDataToSOAPService(
					mHashTable, params[0]);
		} catch (Exception ee) {
		}
		return result;
	}

	@Override
	protected void onPostExecute(String result) {
		// TODO Auto-generated method stub
		super.onPostExecute(result);
		if (mProgress) {
			pd.dismiss();
		}
		mListener.onNetworkComplete(result);
	}

}

package com.oodles.network;

public interface NetworkTaskCompleteListener {
	public void onNetworkComplete(String result);
}

package com.oodles.soapdemo;

import java.util.Hashtable;

import com.oodles.network.NetworkTask;
import com.oodles.network.NetworkTaskCompleteListener;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity implements NetworkTaskCompleteListener{
	
	Context mContext = MainActivity.this;
	Button b1;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		b1 = (Button) findViewById(R.id.button1);
		b1.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View v) {
//------------------------------------------------------------------------------------------------
				
				//Create a Hash Table for passing the params and keys
				Hashtable<string, string> ht = new Hashtable<string, string>();
				//Keys String Array
				String[] keys = { "username", "password" };
				String[] values = {"demo", "demo"};
				
				//Put key and value into hashTable
				for (int i = 0; i < keys.length; i++) {
					ht.put(keys[i], values[i]);
				}
				
				//Network calling
				new NetworkTask(mContext, ht, true)
						.execute("Soap method name");
				ht = null;
				
//--------------------------------------------------------------------------------------------------
			}
		});
	}

	//This method is responsible for network callback
	@Override
	public void onNetworkComplete(String result) {
		
		//Show network response result
		Toast.makeText(mContext, result, Toast.LENGTH_LONG).show();
	}

}