Update.Java

package com.lookedpath.firstlesson;



import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;



    public class Update extends Activity {
        private TextView testo2;
        @Override
        public void onCreate(Bundle savedInstanceState) {
            setContentView(R.layout.update);
            super.onCreate(savedInstanceState);
            testo2= (TextView) findViewById(R.id.textView2);

        }


        public void goToUpdate (View v) {
            new connection().execute();
        }

        public class connection extends AsyncTask<Void, Void, Boolean> {



            protected Boolean doInBackground(Void...params) {
                 boolean updated=false;
                 final String URL = "http://www.lookedpath.tk/apps/firstapp/version.xml";
                 final String VERSION = "version";
                 XMLParser parser = new XMLParser();
                 String xml = parser.getXmlFromUrl(URL); // getting XML
                 Document doc = parser.getDomElement(xml); // getting DOM element

                 NodeList nl = doc.getElementsByTagName(VERSION);
                 Element e = (Element) nl.item(0);
                 String version = parser.getValue(e, VERSION); // name child value
                 String actver = getString(R.string.version);
                 if(actver==version){ updated=true;

            }
                 return updated;
            }
            protected void onPostExecute(Boolean updated) {
                if(updated==false){
                    testo2.setText(R.string.newversion);
                } else {
                        testo2.setText(R.string.nonewversion);
                }

            }



        }
    }