Pull解析xml文件

<?xml version="1.0" encoding="utf-8"?>
    <books>  
        <book>  
            <id>1001</id>  
            <name>Thinking In Java</name>  
            <price>80.00</price>  
        </book>  
        <book>  
            <id>1002</id>  
            <name>Core Java</name>  
            <price>90.00</price>  
        </book>  
        <book>  
            <id>1003</id>  
            <name>Hello, Andriod</name>  
            <price>100.00</price>  
        </book>  
    </books>  
微 2016/3/30 19:45:14

package test.bwie.com.lianxi0302;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.util.Xml;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by Administrator on 2016/3/3.
 */
public class XmlJiexi extends Activity {

    List<Book> books = null;
    Book book = null;
    private ArrayAdapter adapter;
    private ListView listviwe;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.xmljie);

        listviwe = (ListView)findViewById(R.id.listview);

        XmlPullParser parser = Xml.newPullParser(); //由android.util.Xml创建一个XmlPullParser实例
        try {
            InputStream is = getAssets().open("books.xml");
            parser.setInput(is, "UTF-8"); //设置输入流 并指明编码方式
            int eventType = parser.getEventType();
            while (eventType != XmlPullParser.END_DOCUMENT) {
                switch (eventType) {
                    case XmlPullParser.START_DOCUMENT:
                        books = new ArrayList<Book>();
                        break;
                    case XmlPullParser.START_TAG:
                        if (parser.getName().equals("book")) {
                            book = new Book();
                        } else if (parser.getName().equals("id")) {
                            eventType = parser.next();
                            book.setId(Integer.parseInt(parser.getText()));
                        } else if (parser.getName().equals("name")) {
                            eventType = parser.next();
                            book.setName(parser.getText());
                        } else if (parser.getName().equals("price")) {
                            eventType = parser.next();
                            book.setPrice(Float.parseFloat(parser.getText()));
                        }
                        break;
                    case XmlPullParser.END_TAG:
                        if (parser.getName().equals("book")) {
                            books.add(book);
                            Log.e("Tag","books====="+books);
                            book = null;
                        }
                        break;
                }
                eventType = parser.next();
            }
           
        } catch (IOException e1) {
            e1.printStackTrace();
        } catch (XmlPullParserException e) {
            e.printStackTrace();
        }
        adapter = new ArrayAdapter(XmlJiexi.this,android.R.layout.simple_list_item_1,books);
        listviwe.setAdapter(adapter);
    }
}