webservice without parameter

package com.LijslGallery;

import org.ksoap2.serialization.PropertyInfo;
import org.ksoap2.serialization.SoapObject;

import com.LijslGsllery.R;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

public class ImageGalleryActivity extends Activity {
ListView g;
TextView tv;
ImageView iv;

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.gallery);
g = (ListView) findViewById(R.id.listview);
g.setAdapter(new ImageAdapter(this));
startLongRunningOperation();

}


protected void startLongRunningOperation() {

 Thread getproduct = new Thread() {//worker thread or background thread
  public void run() {

 

   SoapObject Soapresponse = Ksoap.CallService(
     "GetPhotoAlbum",0,null);
    Log.e("soap response", Soapresponse.toString());
   try {
    if (Soapresponse != null) {
   
     SoapObject Soapresult = (SoapObject) Soapresponse
       .getProperty(0);
      //Log.e("data", "" + Soapresult.toString());
     if (Soapresult != null) {
      SoapObject Dataset = (SoapObject) Soapresult
        .getProperty(1);
      if (Dataset != null) {
       SoapObject Table = (SoapObject) Dataset
         .getProperty(0);
      }
     }
    }
   } catch (NullPointerException f) {

   } catch (ClassCastException d) {

   } catch (ArrayIndexOutOfBoundsException g) {

   }
 
  }
 };
 getproduct.start();
}
public class ImageAdapter extends BaseAdapter {
public ImageAdapter(Context c) {
mContext = c;
}

public ImageAdapter(OnClickListener onClickListener) {
// TODO Auto-generated constructor stub
}

public int getCount() {
return mThumbIds.length;
}

public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}

public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}

public View getView(int position, View convertView, ViewGroup parent) {
View v;
if ((convertView == null)) {
LayoutInflater li = getLayoutInflater();
v = li.inflate(R.layout.icon1, null);
tv = (TextView) v.findViewById(R.id.icon_text);

iv = (ImageView) v.findViewById(R.id.icon_image);

} else {
v = convertView;
}
tv.setText("position");
iv.setImageResource(mThumbIds[position]);
return v;
}

}

private Context mContext;
Integer[] mThumbIds = new Integer[16];
{
for (int o = 0; o < 16; o++) {
mThumbIds[o] = R.drawable.icon;
}
}

}

note:-internet permission is required for webservice