[转载]使用android-rss库实现从网络中获取rss信息，并通过ListView显示 - 移动开发团队 - 博客园

package com.jouhu.reader;
 
import java.util.ArrayList;
import java.util.HashMap;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import org.mcsoxford.rss.*;
 
public class WPReaderActivity extends Activity {
    /** Called when the activity is first created. */
    public String tag = "WPReaderActivity";
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        //创建一个RSSReader
        RSSReader reader = new RSSReader();
        String url = "http://feeds.bbci.co.uk/news/world/rss.xml";
        //创建一个ArrayList用于存储rss数据
        ArrayList<HashMap<String, Object>> listItem = new ArrayList<HashMap<String, Object>>();
        try {
            //这是最核心的方法，reader.load会解析url上面的xml文件
            RSSFeed feed = reader.load(url);
            EditText et = (EditText)findViewById(R.id.editText1);
            et.setText(feed.getDescription());
            Integer it = feed.getItems().size();
            //将所有的解析到的数据加入到listItem中
            for(int i = 0 ; i < it ; i ++)
            {
                RSSItem item = feed.getItems().get(i);
                HashMap<String, Object> map = new HashMap<String, Object>();
                map.put("itemtitle", item.getTitle());
                //map.put("itemcontent", item.getDescription());
                map.put("itemcontent", "");
                listItem.add(map);
            }
        } catch (RSSReaderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        ListView lv = (ListView)findViewById(R.id.listView1);
        //构造一个Adapter
        SimpleAdapter listItemAdapter =
            new SimpleAdapter(this, listItem,R.layout.item, new String[]{"itemtitle","itemcontent"}, new int[]{R.id.title,R.id.content});
        lv.setAdapter(listItemAdapter);
    }
}

import org.xml.sax.*;
import org.xml.sax.helpers.*;
import java.io.*;
public class MyDefaultHandler extends DefaultHandler {
    private StringBuffer buf;
    public void startDocument() throws SAXException {
        buf=new StringBuffer();
        System.out.println("*******开始解析文档*******");
    }
    public void endDocument() throws SAXException {
        System.out.println("*******解析文档结束*******");
    }
    public void startPrefixMapping( String prefix, String uri ) {
System.out.println("\n前缀映射: " + prefix +" 开始!"+ "  它的URI是:"+uri);
    }
    public void endPrefixMapping( String prefix ) {
       System.out.println("\n前缀映射: "+prefix+" 结束!");
    }
    public void startElement( String namespaceURI, String localName,
                                  String fullName, Attributes attributes )
                          throws SAXException {
        System.out.println("\n元素: " + "["+fullName+"]" +" 开始解析!");
        // 打印出属性信息
        for ( int i = 0; i < attributes.getLength(); i++ ) {
            System.out.println("\t属性名称:" + attributes.getLocalName(i)
                + " 属性值:" + attributes.getValue(i));
        }
    }
    public void endElement( String namespaceURI, String localName,
                                                      String fullName )
                          throws SAXException {
       //打印出非空的元素内容并将StringBuffer清空
       String nullStr="";
       if (!buf.toString().trim().equals(nullStr)){
          System.out.println("\t内容是: " + buf.toString().trim());
       }
       buf.setLength(0);
       //打印元素解析结束信息
        System.out.println("元素: "+"["+fullName+"]"+" 解析结束!");
    }
    public void characters( char[] chars, int start, int length )
                                throws SAXException {
       //将元素内容累加到StringBuffer中
       buf.append(chars,start,length);
    }
    public void warning( SAXParseException exception ) {
        System.out.println("*******WARNING******");
        System.out.println("\t行:\t" + exception.getLineNumber());
        System.out.println("\t列:\t" + exception.getColumnNumber());
        System.out.println("\t错误信息:\t" + exception.getMessage());
        System.out.println("********************");
    }
    public void error( SAXParseException exception ) throws SAXException{
        System.out.println("******* ERROR ******");
        System.out.println("\t行:\t" + exception.getLineNumber());
        System.out.println("\t列:\t" + exception.getColumnNumber());
        System.out.println("\t错误信息:\t" + exception.getMessage());
        System.out.println("********************");
    }
    public void fatalError( SAXParseException exception ) throws SAXException {
        System.out.println("******** FATAL ERROR ********");
        System.out.println("\t行:\t" + exception.getLineNumber());
        System.out.println("\t列:\t" + exception.getColumnNumber());
        System.out.println("\t错误信息:\t" + exception.getMessage());
        System.out.println("*****************************");
    }
}