Android读取XML文件中的数据

<?xml version="1.0" encoding="UTF-8"?>
<Languages cat="it">
 <lan id="1">
 <name>Java</name>
 <ide>Eclipse</ide>
 <type>面向对象</type>
 </lan>
 <lan id="2">
 <name>C</name>
 <ide>VS</ide>
 <type>面向过程</type>
 </lan>
 <lan id="3">
 <name>C#</name>
 <ide>vs</ide>
 <type>面向对象</type>
 </lan>
 
</Languages>

import java.io.IOException;
 
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
 
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
 
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
 
public class MainActivity extends Activity {
 
 TextView text;
 
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 
 text = (TextView) findViewById(R.id.text);
 
 try {
  DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
  DocumentBuilder builder;
  builder = builderFactory.newDocumentBuilder();
  Document document = builder.parse(getAssets().open("xmlfile.xml"));
  Element element = document.getDocumentElement();
  NodeList nodeList = element.getElementsByTagName("lan");
  text.append("n");
  for (int i = 0; i < nodeList.getLength(); i++) {
  Element lan = (Element) nodeList.item(i);
  text.append(lan.getAttribute("id") + "n");
  text.append(lan.getElementsByTagName("name").item(0).getTextContent() + " ");
  text.append(lan.getElementsByTagName("ide").item(0).getTextContent() + " ");
  text.append(lan.getElementsByTagName("type").item(0).getTextContent() + " ");
  text.append("n");
  }
 
 } catch (ParserConfigurationException e) {
  e.printStackTrace();
 } catch (SAXException e) {
  e.printStackTrace();
 } catch (IOException e) {
  e.printStackTrace();
 }
 }
}