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POextract the images from rss feed
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  1. POextract the images from rss feed
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    copied!<p>I'm new to android development application and i suppose to parse rss url into a listview. the code is working but we want to extract the images from the rss feed and display it into the listview.</p> <p>RssItem.java</p> <pre><code>public class RssItem { // item title private String title; // item link private String link; public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getLink() { return link; } public void setLink(String link) { this.link = link; } @Override public String toString() { return title; } } </code></pre> <p>ListListener.java</p> <pre><code>public class ListListener implements OnItemClickListener { // List item's reference List&lt;RssItem&gt; listItems; // Calling activity reference Activity activity; public ListListener(List&lt;RssItem&gt; aListItems, Activity anActivity) { listItems = aListItems; activity = anActivity; } /** * Start a browser with url from the rss item. */ public void onItemClick(AdapterView&lt;?&gt; parent, View view, int pos, long id) { Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(listItems.get(pos).getLink())); activity.startActivity(i); } } </code></pre> <p>RssParseHandler.java</p> <pre><code> public class RssParseHandler extends DefaultHandler { private List&lt;RssItem&gt; rssItems; // Used to reference item while parsing private RssItem currentItem; // Parsing title indicator private boolean parsingTitle; // Parsing link indicator private boolean parsingLink; public RssParseHandler() { rssItems = new ArrayList&lt;RssItem&gt;(); } public List&lt;RssItem&gt; getItems() { return rssItems; } @Override public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { if ("item".equals(qName)) { currentItem = new RssItem(); } else if ("title".equals(qName)) { parsingTitle = true; } else if ("link".equals(qName)) { parsingLink = true; } } @Override public void endElement(String uri, String localName, String qName) throws SAXException { if ("item".equals(qName)) { rssItems.add(currentItem); currentItem = null; } else if ("title".equals(qName)) { parsingTitle = false; } else if ("link".equals(qName)) { parsingLink = false; } } @Override public void characters(char[] ch, int start, int length) throws SAXException { if (parsingTitle) { if (currentItem != null) currentItem.setTitle(new String(ch, start, length)); } else if (parsingLink) { if (currentItem != null) { currentItem.setLink(new String(ch, start, length)); parsingLink = false; } } } } </code></pre> <p>RssReader.java</p> <pre><code> public class RssReader { private String rssUrl; /** * Constructor * * @param rssUrl */ public RssReader(String rssUrl) { this.rssUrl = rssUrl; } /** * Get RSS items. * * @return */ public List&lt;RssItem&gt; getItems() throws Exception { // SAX parse RSS data SAXParserFactory factory = SAXParserFactory.newInstance(); SAXParser saxParser = factory.newSAXParser(); RssParseHandler handler = new RssParseHandler(); saxParser.parse(rssUrl, handler); return handler.getItems(); } } </code></pre> <p>ITCutiesReaderAppActivity.java</p> <pre><code>public class ITCutiesReaderAppActivity extends Activity { // A reference to the local object private ITCutiesReaderAppActivity local; /** * This method creates main application view */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Set view setContentView(R.layout.main); // Set reference to this activity local = this; GetRSSDataTask task = new GetRSSDataTask(); // Start download RSS task task.execute("http://www.itcuties.com/feed/#sthash.YI6YrEet.dpuf"); // Debug the thread name Log.d("ITCRssReader", Thread.currentThread().getName()); } public class GetRSSDataTask extends AsyncTask&lt;String, Void, List&lt;RssItem&gt; &gt; { @Override protected List&lt;RssItem&gt; doInBackground(String... urls) { // Debug the task thread name Log.d("ITCRssReader", Thread.currentThread().getName()); try { // Create RSS reader RssReader rssReader = new RssReader(urls[0]); // Parse RSS, get items return rssReader.getItems(); } catch (Exception e) { Log.e("ITCRssReader", e.getMessage()); } return null; } @Override protected void onPostExecute(List&lt;RssItem&gt; result) { // Get a ListView from main view ListView itcItems = (ListView) findViewById(R.id.listMainView1); // Create a list adapter ArrayAdapter&lt;RssItem&gt; adapter = new ArrayAdapter&lt;RssItem&gt; (local,android.R.layout.simple_list_item_1, result); // Set list adapter for the ListView itcItems.setAdapter(adapter); // Set list view item click listener itcItems.setOnItemClickListener(new ListListener(result, local)); } } } </code></pre>
 

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