在Android上解析RSS

Question

我有几个RSS源我需要解析我的应用程序,我按照这里的优秀教程:http://w2davids.wordpress.com/android-rssatom-feeds-parsing-with-rome /.我稍微修改了一下样本并让它做我需要的东西.所以,我把它集成到我的应用程序中,每次我尝试显示帖子列表时都会一直强制退出.我修改后的代码版本如下.将适配器连接到ListView时似乎总是失败,所以我认为我的适配器设置不正确.有什么奇怪的是,在调试器中,我可以查看适配器并查看我正在尝试获取的数据.

提前致谢:

public class View1 extends Activity
{
    /** Called when the activity is first created. */
    private final ArrayList<String> list = new ArrayList<String>();
    private ListView listView;
    private ArrayAdapter<String> adapter = null;
    private SyndContent desc;
    private ArrayList<String> d = new ArrayList<String>() ;

    @Override
    public void onCreate(Bundle savedInstanceState)
        {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
            adapter = new ArrayAdapter<String>(this, R.layout.dataview, R.id.ListItemView);             
            getRSS("http://www.example.com/wp/?feed=gigpress&artist=1");
            listView.setAdapter(adapter);


            listView = (ListView) this.findViewById(R.id.ListView);

            listView.setOnItemClickListener(new OnItemClickListener()
                {
                    @Override
                    public void onItemClick(AdapterView<?> parent, View view, int position, long duration)
                        {                               
                            Intent intent = new Intent();
                            intent.setClassName("com.example.idtb", "com.example.idtb.ViewRssDescription");
                            intent.putExtra("desc", d.get(position));
                            startActivity(intent);
                        }
                });             

        }

    private void getRSS(String rss)
        {

            URL feedUrl;
            try
                {
                    Log.d("DEBUG", "Entered:" + rss);
                    feedUrl = new URL(rss);

                    SyndFeedInput input = new SyndFeedInput();
                    SyndFeed feed = input.build(new XmlReader(feedUrl));
                    List entries = feed.getEntries();

                    Iterator iterator = entries.listIterator();
                    while (iterator.hasNext())
                        {
                            SyndEntry ent = (SyndEntry) iterator.next();
                            String title = ent.getTitle();
                            desc = ent.getDescription();
                            d.add(desc.getValue());
                            adapter.add(title);
                        }
                    adapter.notifyDataSetChanged();

                }
            catch (MalformedURLException e)
                {
                    e.printStackTrace();
                }
            catch (IllegalArgumentException e)
                {
                    e.printStackTrace();
                }
            catch (FeedException e)
                {
                    e.printStackTrace();
                }
            catch (IOException e)
                {
                    e.printStackTrace();
                }
        }
}

Answer 1

我认为适配器应该是这样的：

final ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, lst);