pull 解析xml

来源：互联网发布：计算机应用与软件编辑：程序博客网时间：2024/06/06 01:22
public class MainActivity extends Activity {
// 成员变量private List<Bean> list = new ArrayList<Bean>();private List<Bean> two = new ArrayList<Bean>();private Bean bean;private XListView xlv;private MyAdapter adapter;private int j = 0;@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    into("刷新");    xlv = (XListView) findViewById(R.id.lv);    // 激活加载更多    xlv.setPullLoadEnable(true);    // 激活下拉刷新    xlv.setPullRefreshEnable(true);    // 设置xlistView上拉加载下拉刷新的监听    xlv.setXListViewListener(new IXListViewListener() {        @Override        // 下拉刷新的回调方法        public void onRefresh() {            j += 1;            // 下拉刷新,应该展示最新数据,所以清空集合            into("刷新");            // 设置刷新时间            xlv.setRefreshTime(dateFormat());            // 停止加载更多            xlv.stopLoadMore();            // 停止刷新            xlv.stopRefresh();        }        @Override        // //上拉加载的回调方法        public void onLoadMore() {            j += 1;            into("加载");            // 停止加载更多            xlv.stopLoadMore();            // 停止刷新            xlv.stopRefresh();        }    });}//加载时间protected String dateFormat() {    long currentTimeMillis = System.currentTimeMillis();    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd  hh:mm:ss");    String format = dateFormat.format(currentTimeMillis);    return format;}private void into(final String num) {    final String path = "http://www.oschina.net/action/api/tweet_list?Uid=0&pageIndex=" + j + "&pageSize=5";    Toast.makeText(this, ""+j, 0).show();    new Thread() {        public void run() {            HttpURLConnection con;            try {                con = (HttpURLConnection) new URL(path).openConnection();                con.setConnectTimeout(15000);                con.setRequestMethod("GET");                int i = con.getResponseCode();                if (i == 200) {                    InputStream input = con.getInputStream();                    XmlPullParser parser = Xml.newPullParser();                    parser.setInput(input, "UTF-8");                    int event = parser.getEventType();                    String str = null;                    // XmlPullParser.END_DOCUMENT文档结束                    while (event != XmlPullParser.END_DOCUMENT) {                        switch (event) {                        case XmlPullParser.START_DOCUMENT:                            break;                        // XmlPullParser.START_TAG节点                        case XmlPullParser.START_TAG:                            str = parser.getName();                            if ("tweet".equals(str)) {                                bean = new Bean();                            }                            break;                        // XmlPullParser.TEXT内容                        case XmlPullParser.TEXT:                            if ("id".equals(str)) {                                bean.setId(parser.getText().trim());                            }                            if ("portrait".equals(str)) {                                bean.setPortrait(parser.getText().trim());                            }                            if ("author".equals(str)) {                                bean.setAuthor(parser.getText().trim());                            }                            if ("authorid".equals(str)) {                                bean.setAuthorid(parser.getText().trim());                            }                            if ("body".equals(str)) {                                bean.setBody(parser.getText().trim());                            }                            if ("pubDate".equals(str)) {                                bean.setPubDate(parser.getText().trim());                            }                            break;                        case XmlPullParser.END_TAG:                            str = parser.getName();                            if ("tweet".equals(str)) {                                if (num.equals("刷新")) {                                    list.add(bean);                                    two.addAll(0, list);                                } else {                                    two.addAll(list);                                }                                // 更新UI                                runOnUiThread(new Runnable() {                                    @Override                                    public void run() {                                        intoviewp();                                    }                                });                                bean = null;                            }                            str = "";                            break;                        }                        event = parser.next();                    }                }            } catch (Exception e) {                e.printStackTrace();            }        };    }.start();}//适配器private void intoviewp() {    if (adapter == null) {        adapter = new MyAdapter(two, getApplicationContext());        xlv.setAdapter(adapter);    } else {        adapter.notifyDataSetChanged();    }}
}
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