废话少说，直接看代码

package cn.qing.xmltest;

import java.io.*;

import org.xmlpull.v1.XmlSerializer;

import android.app.Activity;

import android.os.*;

import android.util.*;

import android.widget.TextView;

public class wrXml extends Activity {

  /** Called when the activity is first created. */

  private String appDir;

  private String xmlFileName;

  StringBuilder sb;

  TextView tv;

  public wrXml(){

  }

  @Override

  public void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    appDir = this.getApplicationContext().getFilesDir().getAbsolutePath();

    xmlFileName = appDir + "/test.xml";

    tv = new TextView(this);

    sb = new StringBuilder();

    writeXml();

    tv.setText(sb.toString());

    setContentView(tv);

  }

  private void writeXml() {

    File xmlFile = new File(xmlFileName);

    try {

      xmlFile.createNewFile();

    } catch (IOException e) {

      Log.e("IOException", "exception in createNewFile() method");

    }

    FileOutputStream fileos = null;

    try {

      fileos = new FileOutputStream(xmlFile);

    } catch (FileNotFoundException e) {

      Log.e("FileNotFoundException", "can't create FileOutputStream");

    }

    XmlSerializer serializer = Xml.newSerializer();

    try {

      serializer.setOutput(fileos, "UTF-8");

      serializer.startDocument(null, Boolean.valueOf(true));

      serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output",true);

      serializer.startTag(null, "root");

      serializer.startTag(null, "child1");

      serializer.endTag(null, "child1");

      serializer.startTag(null, "child2");

      serializer.attribute(null, "attribute", "value");

      serializer.endTag(null, "child2");

      serializer.startTag(null, "child3");

      serializer.text("some text inside child3");

      serializer.endTag(null, "child3");

      serializer.endTag(null, "root");

      serializer.endDocument();

      serializer.flush();

      fileos.close();

      sb.append("file has been created");

    } catch (Exception e) {

      Log.e("Exception", "error occurred while creating xml file");

      sb.append("Create file error");

    }

  }

}



	
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