如何獲得android的RSS提要

Question

public class SoccerActivity extends Activity { 

    private WebView webView; 

    /** Called when the activity is first created. */ 

    @Override 

    public void onCreate(Bundle savedInstanceState) { 

    super.onCreate(savedInstanceState); 

    setContentView(R.layout.soccer); 

    webView = (WebView)findViewById(R.id.webview); 

    String soccerString = QueryYahooSoccer(); 


    Document soccerDoc = convertStringToDocument(soccerString); 


    String soccerResult = parseSoccerDescription(soccerDoc); 

    webView.loadData(soccerResult, "text/html", "UTF-8"); 


    } 

    private String parseSoccerDescription(Document srcDoc){ 


    String soccerDescription=""; 

    NodeList nodeListDescription = srcDoc.getElementsByTagName("description"); 

    if(nodeListDescription.getLength()>=0){ 

     for(int i=0; i<nodeListDescription.getLength(); i++){ 

     soccerDescription += nodeListDescription.item(i).getTextContent()+"<br/>"; 

     } 

    }else{ 

     soccerDescription = ("No Description!"); 

    } 

    return soccerDescription; 

    } 

    private Document convertStringToDocument(String src){ 

    Document dest = null; 


    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance(); 

    DocumentBuilder parser; 


    try { 
     parser = dbFactory.newDocumentBuilder(); 

     dest = parser.parse(new ByteArrayInputStream(src.getBytes())); 


    } catch (ParserConfigurationException e1) { 

     e1.printStackTrace(); 

     Toast.makeText(SoccerActivity.this, e1.toString(), Toast.LENGTH_LONG).show(); 

    } catch (SAXException e) { 

     e.printStackTrace(); 

     Toast.makeText(SoccerActivity.this, e.toString(), Toast.LENGTH_LONG).show(); 

    } catch (IOException e) { 

     e.printStackTrace(); 

     Toast.makeText(SoccerActivity.this, e.toString(), Toast.LENGTH_LONG).show(); 

    } 

    return dest; 

    } 

    private String QueryYahooSoccer(){ 

    String qResult = ""; 

    String queryString = "http://news.yahoo.com/rss/soccer"; 

    HttpClient httpClient = new DefaultHttpClient(); 

    HttpGet httpGet = new HttpGet(queryString); 

    try { 
     HttpEntity httpEntity = httpClient.execute(httpGet).getEntity(); 

     if (httpEntity != null){ 

     InputStream inputStream = httpEntity.getContent(); 

     Reader in = new InputStreamReader(inputStream); 

     BufferedReader bufferedreader = new BufferedReader(in); 

     StringBuilder stringBuilder = new StringBuilder(); 

     String stringReadLine = null; 

     while ((stringReadLine = bufferedreader.readLine()) != null) { 

      stringBuilder.append(stringReadLine + "\n"); 

     } 

     qResult = stringBuilder.toString(); 

     } 

    } catch (ClientProtocolException e) { 

     e.printStackTrace(); 

     Toast.makeText(SoccerActivity.this, e.toString(), Toast.LENGTH_LONG).show(); 

    } catch (IOException e) { 

     e.printStackTrace(); 

     Toast.makeText(SoccerActivity.this, e.toString(), Toast.LENGTH_LONG).show(); 

    } 

    return qResult; 
    } 

} 

我創建的足球rss像上面那樣運行後運行一個android應用程序它只顯示信息標題鏈接不顯示。什麼是問題你可以任何身體知道請幫助我..

Answer 1

下面是完整的Document和example code.