xml解析（一） XmlPullParser的使用

XmlPullParser是android自带的xml解析器

public static ArrayList<TvUrl> getChannelsData(InputStream is) {
ArrayList<TvUrl> list = null;
TvUrl tvurl = null;
XmlPullParserFactory pullFactory;
try {
pullFactory = XmlPullParserFactory.newInstance();
XmlPullParser xmlPullParser = pullFactory.newPullParser();
if(is == null)
{
return null;
}
xmlPullParser.setInput(is, "UTF-8");
int eventType = xmlPullParser.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
String tagName = xmlPullParser.getName();
switch (eventType) {
case XmlPullParser.START_DOCUMENT:
list =  new ArrayList<TvUrl>();
break;
case XmlPullParser.START_TAG:
if("tv".equals(tagName))
{
tvurl = new TvUrl();
}
else if ("channelid".equals(tagName)) {
tvurl.setid(xmlPullParser.nextText());
//						Log.i(tvurl.getid());
}
else if("name".equals(tagName))
{
tvurl.setName(xmlPullParser.nextText());
//						Log.i(tvurl.getName());
}
else if("url".equals(tagName))
{
String str = xmlPullParser.nextText();
tvurl.AddUrl(str);
//						Log.i(str);
}
break;
case XmlPullParser.END_TAG:
if ("tv".equals(tagName) && tvurl != null) {
list.add(tvurl);
}
break;
default:
break;
}
eventType = xmlPullParser.next();
}

} catch (XmlPullParserException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return list;
}

xmlPullParser.nextText() 是解析xml某个标签的值。

xmlPullParser.getAttributeValue(0) 是解析xml某个标签下中属性值，0代表位置为0的属性