pull解析XML文档

Xml代码 
<?xml version="1.0" encoding="UTF-8"?> 
<books> 
    <book id="12"> 
        <name>thinking in java</name> 
        <price>85.5</price> 
    </book> 
    <book id="15"> 
        <name>Spring in Action</name> 
        <price>39.0</price> 
    </book> 
</books> 
 
 
public static readLocalXml throws Exception {
                    // 创建Pull解析
                   InputStream inputStream =  getResources().openRawResource(R.raw.frist);
                   XmlPullParser pullParser= Xml.newPullParser();
                   // 解析XML
                   pullParser.setInput(inputStream, "utf-8");
                   // 开始
                   int eventType = pullParser.getEventType();
                 
                   List<Book> books = null;
                   Book book = null;
                   while (eventType != XmlPullParser.END_DOCUMENT) {
                            String nodeName = pullParser.getName();
                            switch (eventType) {
                            // 文档开始
                            case XmlPullParser.START_DOCUMENT: