public class XMLParser {	/**	 * 解析服务器的配置文件	 * @param is 从服务器获得配置的文件的流	 */	public static UpdateInfo parser(InputStream is){		UpdateInfo info=null;		try {			//获得pull解析实例			XmlPullParserFactory factory=XmlPullParserFactory.newInstance();			XmlPullParser xmlParser=factory.newPullParser();		//初始化解析器			xmlParser.setInput(is, "UTF-8");			int eventType=xmlParser.getEventType();			//文档没有解析完			while(eventType!=XmlPullParser.END_DOCUMENT){				switch (eventType) {				case XmlPullParser.START_TAG:					if(xmlParser.getName().equals("info")){						info=new UpdateInfo();											}else if(xmlParser.getName().equals("version")){						info.setVersion(xmlParser.nextText());											}else if(xmlParser.getName().equals("desc")){						info.setDesc(xmlParser.nextText());					}else if(xmlParser.getName().equals("apkurl")){						info.setApkUrl(xmlParser.nextText());					}					break;				}				eventType=xmlParser.next();											}					} catch (XmlPullParserException e) {			// TODO Auto-generated catch block			e.printStackTrace();		} catch (IOException e) {			// TODO Auto-generated catch block			e.printStackTrace();		}				return info;			}}

对应的update.xml

<?xml version="1.0" encoding="utf-8"?><info><version>2.0</version><description>xxxxxxxxxx</description><apkurl>http://192.168.253.1:8080/xxxxxxx.apk</apkurl></info>

XML文件解析工具类pull解析