public class MainActivity extends Activity {

 private List<Person> persons;

 @Override

 protected void onCreate(Bundle savedInstanceState)

 {

 super.onCreate(savedInstanceState);

 setContentView(R.layout.main);

 //获取资源文件的输入流对象

 //InputStream inputstram=this.getClass().getClassLoader().getResourceAsStream("person.xml");

 try

 {

 persons=new ArrayList<Person>();

 File file=new File(Environment.getExternalStorageDirectory().getAbsolutePath(),"a.xml");

 Person p=new Person(25, "ggg", "21", "men", "1234562");

 persons.add(p);

 FileOutputStream stram=new FileOutputStream(file);

 savexml(persons,stram);

 System.out.println("保存成功");

 }

 catch (Exception e) {

 e.printStackTrace();

 }

 }

 public void savexml(List<Person> person,OutputStream out)

 {

 /**

 * 类似于这样格式的文件

 * <?xml version='1.0' encoding='UTF-8' standalone='yes' ?>

 <persons>

 <person id="25">

 <name>ggg</name>

 <sex>men</sex>

 <age>21</age>

 <phone>1234562</phone>

 </person>

 </persons>

 */

 try

 {

 //xml解析器

 XmlSerializer xml=Xml.newSerializer();

 //设置xml文件的输出方向

 xml.setOutput(out, "UTF-8");

 //设置xml的开始文档内容及编码格式

 xml.startDocument("UTF-8", true);

 //设置xml的开始节点

 xml.startTag(null, "persons");

 for(Person p:person)

 {

 xml.startTag(null, "person");

 String id=String.valueOf(p.getId());

 xml.attribute(null, "id",id);

 //设置开始name节点

 xml.startTag(null, "name");

 //设置name的值

 xml.text(p.getName());

 xml.endTag(null, "name");

 //设置name的结束节点

 xml.startTag(null, "sex");

 xml.text(p.getSex());

 xml.endTag(null, "sex");

 xml.startTag(null, "age");

 xml.text(p.getAge());

 xml.endTag(null, "age");

 xml.startTag(null, "phone");

 xml.text(p.getPhone());

 xml.endTag(null, "phone");

 //结束节点

 xml.endTag(null, "person");

 }

 //xml的结束节点

 xml.endTag(null, "persons");

 //结束文档

 xml.endDocument();

 } catch (Exception e)

 {

 // TODO Auto-generated catch block

 e.printStackTrace();

 }

 try

 {

 out.flush();

 out.close();

 }

 catch (IOException e)

 {

 e.printStackTrace();

 }

 }

 @Override

 public boolean onCreateOptionsMenu(Menu menu) {

 // Inflate the menu; this adds items to the action bar if it is present.

 getMenuInflater().inflate(R.menu.main, menu);

 return true;

 }

 }

 public class Person

 {

 private int id;

 private String name;

 private String age;

 private String sex;

 private String phone;

 public int getId() {

 return id;

 }

 public void setId(int id) {

 this.id = id;

 }

 public String getName() {

 return name;

 }

 public void setName(String name) {

 this.name = name;

 }

 public String getAge() {

 return age;

 }

 public void setAge(String age) {

 this.age = age;

 }

 public String getSex() {

 return sex;

 }

 public void setSex(String sex) {

 this.sex = sex;

 }

 public Person(int id, String name, String age, String sex, String phone) {

 super();

 this.id = id;

 this.name = name;

 this.age = age;

 this.sex = sex;

 this.phone = phone;

 }

 public String getPhone() {

 return phone;

 }

 public void setPhone(String phone) {

 this.phone = phone;

 }

 public Person(){}

 }