Android读取XML文件中的数据

<?  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. .parsers.DocumentBuilder;
import javax. .parsers.DocumentBuilderFactory;
import javax. .parsers.ParserConfigurationException;
 
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org. .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(\" file. \"));
  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();
 }
 }
}