pull方式解析xml文件

public class Pull_xml extends Activity {

    private String result = "";  
    private ArrayList<Beauty> beauties = new ArrayList(); 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_pull_xml);
        try {
            // 以流的形式获取src目录下的xml文件（此文件的父文件夹必须是src）
            InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("beauties.xml");
            // 获取一个XmlPullParser
            XmlPullParserFactory xmlPullParserFactory = XmlPullParserFactory.newInstance();
            XmlPullParser parser = xmlPullParserFactory.newPullParser();
            // 设置输入流已经编码方式
            parser.setInput(inputStream, "UTF-8");
            // 获取当前的事件类型
            int eventType = parser.getEventType();
            Beauty beauty = null;
            while (XmlPullParser.END_DOCUMENT != eventType) {
                String nodeName = parser.getName();

                switch (eventType) {
                case XmlPullParser.START_TAG:
                    if (nodeName.equals("beauty")) {
                        beauty = new Beauty();
                    }
                    if (nodeName.equals("name")) {
                        beauty.setName(parser.nextText());
                    }
                    if (nodeName.equals("age")) {
                        beauty.setAge(parser.nextText());
                    }
                    break;

                case XmlPullParser.END_TAG:
                    if (nodeName.equals("beauty") && beauty != null) {
                        beauties.add(beauty);
                    }

                    break;
                default:
                    break;
                }
                // 手动的触发下一个事件
                eventType = parser.next();
                Log.i("PullActivity", eventType + "");
            }

            for (Beauty beauty2 : beauties) {
                result += "/n" + beauty2.toString();
            }
            // result = beauties.size()+"";
            TextView textView = (TextView) findViewById(R.id.show);
            textView.setText("最终结果:"+"\n" + result);

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

}

读取到xml的声明返回数字0 START_DOCUMENT;
读取到xml的结束返回数字1 END_DOCUMENT ;
读取到xml的开始标签返回数字2 START_TAG
读取到xml的结束标签返回数字3 END_TAG
读取到xml的文本返回数字4 TEXT