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Thread: Problems with my code

  1. #1
    Junior Member
    Join Date
    Jan 2012
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    Default Problems with my code


    I have to problems with this code:

    package tingsholm.app.pwar;

    import java.net.URL;

    import javax.xml.parsers.DocumentBuilder;
    import javax.xml.parsers.DocumentBuilderFactory;

    import org.w3c.dom.CharacterData;
    import org.w3c.dom.Document;
    import org.w3c.dom.Node;
    import org.w3c.dom.NodeList;

    import android.app.Activity;
    import android.os.Bundle;
    import android.sax.Element;
    import android.widget.TextView;

    public class Nyhetsflöde extends Activity {
    public void onCreate(Bundle savedInstanceState) {

    TextView textview = new TextView(this);
    textview.setText("This is the Nyhetflöde tab");

    private static Nyhetsflöde instance = null;
    private Nyhetsflöde() {
    public static Nyhetsflöde getInstance() {
    if(instance == null)
    instance = new Nyhetsflöde();
    return instance;
    public void writeNews() {
    try {
    DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBu ilder();
    URL u = new URL("http://test.medieprogrammet.eu/#home"); // your feed url
    Document doc = builder.parse(u.openStream());
    NodeList nodes = doc.getElementsByTagName("item");
    for(int i=0;i<nodes.getLength();i++) {
    Element element = (Element)nodes.item(i);
    System.out.println("Title: " + getElementValue(element,"title"));
    System.out.println("Link: " + getElementValue(element,"link"));
    System.out.println("Publish Date: " + getElementValue(element,"pubDate"));
    System.out.println("Author: " + getElementValue(element,"dc:creator"));
    System.out.println("Description: " + getElementValue(element,"description"));
    catch(Exception ex) {
    private String getCharacterDataFromElement(Element e) {
    try {
    Node child = e.getFirstChild();
    if(child instanceof CharacterData) {
    CharacterData cd = (CharacterData) child;
    return cd.getData();
    }catch(Exception ex) {

    return "";
    } //private String getCharacterDataFromElement
    protected float getFloat(String value) {
    if(value != null && !value.equals(""))
    return Float.parseFloat(value);
    return 0;
    protected String getElementValue(Element parent,String label) {
    return getCharacterDataFromElement((Element)parent.getElementsByTagName(label).item(0));
    public static void main(String[] args) {
    Nyhetsflöde reader = Nyhetsflöde.getInstance();

    Problem number one: The method getFirstChild() is undefined for the type Element
    Problem number two: The method getElementsByTagName(String) is undefined for the type Element

    I have marked the errors in red color.
    I would be very pleased if I get an as easy answer as possible because I'm new at this.


  2. #2
    Member OA-OD-JD1's Avatar
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    Default Re: Problems with my code

    In future, please use the Java highlighting code.


    Be sure to post in the right section also.

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