Android Learning Pull Parsing xml

One, pull parse xml

 Public StaticList<person> xmlparser (inputstream XML)throwsException {List<Person> persons=NULL; Person P=NULL; Xmlpullparser Parser=Xml.newpullparser (); Parser.setinput (XML,"UTF-8"); intEvent=Parser.geteventtype ();  while(event!=xmlpullparser.end_document) {            Switch(event) { CaseXmlPullParser.START_DOCUMENT:persons=NewArraylist<person>();  Break;  CaseXmlpullparser.start_tag:if(Parser.getname (). Equals ("Person") ) {p=NewPerson (); P.setid (Integer.parseint (Parser.getattributevalue (0))); }                if(Parser.getname (). Equals ("name") {p.setname (Parser.nexttext ()); }                if(Parser.getname (). Equals ("Age") {p.setage (Integer.parseint (Parser.nexttext ())); }                 Break;  CaseXmlpullparser.end_tag:if(Parser.getname (). Equals ("Person") {persons.add (P); P=NULL; }                 Break; } Event=Parser.next (); }        returnpersons; }

Ii. saving information in XML format

 Public Static voidSaveasxml (list<person> persons,outputstream OS)throwsException {XmlSerializer xmlserial=Xml.newserializer (); Xmlserial.setoutput (OS,"UTF-8"); Xmlserial.startdocument ("UTF-8",true); Xmlserial.starttag (NULL, "persons");  for(person person:persons) {Xmlserial.starttag (NULL, "Person"); Xmlserial.attribute (NULL, "id", String.valueof (Person.getid ())); Xmlserial.starttag (NULL, "name");            Xmlserial.text (Person.getname ()); Xmlserial.endtag (NULL, "name"); Xmlserial.starttag (NULL, "Age");            Xmlserial.text (String.valueof (Person.getage ())); Xmlserial.endtag (NULL, "Age"); Xmlserial.endtag (NULL, "Person"); } Xmlserial.endtag (NULL, "persons");        Xmlserial.enddocument ();        Os.flush ();    Os.close (); }