XML Parser ( Attribute)

<?xml version="1.0" encoding="UTF-8"?>
<menu>
    <item>
        <id>1</id>
        <name>Margherita</name>
        <cost>155</cost>
        <description>Single cheese topping</description>
    </item>
    <item>
        <id>2</id>
        <name>Double Cheese Margherita</name>
        <cost>225</cost>
        <description>Loaded with Extra Cheese</description>
    </item>
    <item>
        <id>3</id>
        <name>Fresh Veggie</name>
        <cost>110</cost>
        <description>Oninon and Crisp capsicum</description>
    </item>
    <item>
        <id>4</id>
        <name>Peppy Paneer</name>
        <cost>155</cost>
        <description>Paneer, Crisp capsicum and Red pepper</description>
    </item>
    <item>
        <id>5</id>
        <name>Mexican Green Wave</name>
        <cost>445</cost>
        <description>Onion, Crip capsicum, Tomato with mexican herb</description>
    </item>
</menu>

<item type="Pizza">
        <id>1</id>
        <name>Margherita</name>
        <cost>155</cost>
        <description>Single cheese topping</description>
    </item>

public class AndroidXMLParsingActivity extends ListActivity {
 
    // All static variables
    static final String URL = "http://api.androidhive.info/pizza/?format=xml";
    // XML node keys
    static final String KEY_ITEM = "item"; // parent node
    static final String KEY_ID = "id";
    static final String KEY_NAME = "name";
    static final String KEY_COST = "cost";
    static final String KEY_DESC = "description";
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
 
        ArrayList<HashMap<String, String>> menuItems = new ArrayList<HashMap<String, String>>();
 
        XMLParser parser = new XMLParser();
        String xml = parser.getXmlFromUrl(URL); // getting XML
        Document doc = parser.getDomElement(xml); // getting DOM element
 
        NodeList nl = doc.getElementsByTagName(KEY_ITEM);
        // looping through all item nodes <item>
        for (int i = 0; i < nl.getLength(); i++) {
            // creating new HashMap
            HashMap<String, String> map = new HashMap<String, String>();
            Element e = (Element) nl.item(i);
            // adding each child node to HashMap key => value
            map.put(KEY_ID, parser.getValue(e, KEY_ID));
            map.put(KEY_NAME, parser.getValue(e, KEY_NAME));
            map.put(KEY_COST, "Rs." + parser.getValue(e, KEY_COST));
            map.put(KEY_DESC, parser.getValue(e, KEY_DESC));
 
            // adding HashList to ArrayList
            menuItems.add(map);
        }
 
        // Adding menuItems to ListView
        ListAdapter adapter = new SimpleAdapter(this, menuItems,
                R.layout.list_item,
                new String[] { KEY_NAME, KEY_DESC, KEY_COST }, new int[] {
                        R.id.name, R.id.desciption, R.id.cost });
 
        setListAdapter(adapter);
 
        // selecting single ListView item
        ListView lv = getListView();
                // listening to single listitem click
        lv.setOnItemClickListener(new OnItemClickListener() {
 
            @Override
            public void onItemClick(AdapterView<?> parent, View view,
                    int position, long id) {
                // getting values from selected ListItem
                String name = ((TextView) view.findViewById(R.id.name)).getText().toString();
                String cost = ((TextView) view.findViewById(R.id.cost)).getText().toString();
                String description = ((TextView) view.findViewById(R.id.desciption)).getText().toString();
 
                // Starting new intent
                Intent in = new Intent(getApplicationContext(), SingleMenuItemActivity.class);
                in.putExtra(KEY_NAME, name);
                in.putExtra(KEY_COST, cost);
                in.putExtra(KEY_DESC, description);
                startActivity(in);
 
            }
        });
    }
}