ScreenApp.java

package com.newsapp;

import java.util.Vector;

import org.ksoap2.SoapEnvelope;
import org.ksoap2.serialization.SoapObject;
import org.ksoap2.serialization.SoapSerializationEnvelope;
import org.ksoap2.transport.HttpTransport;
import org.xmlpull.v1.XmlPullParserException;

import com.newsapp.ui.TableList;

import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.system.DeviceInfo;
import net.rim.device.api.ui.container.MainScreen;

public final class ScreenApp extends MainScreen {
    private Vector _data = null;

    public ScreenApp() {
        setTitle("News App");
        this.startLoad();
    }

    private void startLoad() {
        String WSD_URL = "http://www.domain.com/service.asmx";
        String WSD_NAMESPACE = "http://www.domain.com/service";
        String WSD_ACTION = "http://www.domain.com/service/GetList";

        SoapObject soap = new SoapObject(WSD_NAMESPACE, "GetList");
        int _PIN = DeviceInfo.getDeviceId();
        String PIN = "" + _PIN;

        soap.addProperty("deviceId", PIN);
        soap.addProperty("deviceType", "B");

        SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);
        envelope.dotNet = true;
        envelope.encodingStyle = SoapSerializationEnvelope.XSD;
        envelope.setOutputSoapObject(soap);

        HttpTransport ht = new HttpTransport(WSD_URL);
        ht.setXmlVersionTag("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");

        try {
                ht.call(WSD_ACTION, envelope);
                if(envelope.getResponse() != null) {
                        SoapObject resp = (SoapObject)envelope.getResponse();



                        this.initInterface(resp);
                }
        } catch (XmlPullParserException ex) {

        } catch (Exception e) {
            Item item = new Item("Problem with connection", "Please close app and try again", "");
            this._data = new Vector(1);
            this._data.addElement(item);

            TableList list = new TableList(this._data);
            list.setSize(this._data.size());

            add(list);
        }
    }

    private void initInterface(SoapObject response) {
        int count = response.getPropertyCount();
        this._data = new Vector(count);

        for(int i=0; i<count; i++) {
                String line = response.getProperty(i).toString();
            String title = this.getAttributeElement(line, "Title");
            String description = this.getAttributeElement(line, "Description");
            String link = this.getAttributeElement(line, "Link");

            Item item = new Item(title, description, link);
            this._data.addElement(item);
        }

        TableList list = new TableList(this._data);
        list.setSize(this._data.size());

        add(list);
    }

    private String getAttributeElement(String line, String elem) {
        String attr = line.substring(line.indexOf(elem + "=") + (elem.length() + 1), line.indexOf(";", line.indexOf(elem + "=")));
        return attr;
    }
}