Now u have the code.so far so good. Now point us where u have error? Check ur log? Don't expect someone will copy paste ur code to run n find the error? What abt ur manifest file? Ur prermission? On Jan 12, 2012 12:35 PM, "chowdary nani" <naveenneeli...@gmail.com> wrote:
> Hi All, > I am working on rss parsing i am unable to display the rss feeds and i am > unable to find the problem. > here is my code > > public class RSSReader extends Activity implements OnItemClickListener { > > public final String RSSFEEDOFCHOICE = " > http://www.ibm.com/developerworks/views/rss/customrssatom.jsp?zone_by=XML&zone_by=Java&zone_by=Rational&zone_by=Linux&zone_by=Open+source&zone_by=WebSphere&type_by=Tutorials&search_by=&day=1&month=06&year=2007&max_entries=20&feed_by=rss&isGUI=true&Submit.x=48&Submit.y=14 > "; > > private static final int SELECT = 0; > private static final int REFRESH = 1; > > public final String tag = "RSSReader"; > private RSSFeed feed = null; > > /** Called when the activity is first created. */ > > public void onCreate(Bundle icicle) { > super.onCreate(icicle); > setContentView(R.layout.main); > > // go get our feed! > feed = getFeed(RSSFEEDOFCHOICE); > > // display UI > UpdateDisplay(); > > } > > private RSSFeed getFeed(String urlToRssFeed) { > try { > // setup the url > URL url = new URL(urlToRssFeed); > > // create the factory > SAXParserFactory factory = SAXParserFactory.newInstance(); > // create a parser > SAXParser parser = factory.newSAXParser(); > > // create the reader (scanner) > XMLReader xmlreader = parser.getXMLReader(); > // instantiate our handler > RSSHandler theRssHandler = new RSSHandler(); > // assign our handler > xmlreader.setContentHandler(theRssHandler); > // get our data via the url class > InputSource is = new InputSource(url.openStream()); > // perform the synchronous parse > xmlreader.parse(is); > // get the results - should be a fully populated RSSFeed > instance, > // or null on error > return theRssHandler.getFeed(); > } catch (Exception ee) { > // if we have a problem, simply return null > return null; > } > } > > public boolean onCreateOptionsMenu(Menu menu) { > super.onCreateOptionsMenu(menu); > menu.add(0, RSSReader.SELECT, 0, "Choose RSS Feed").setIcon( > android.R.drawable.ic_menu_mapmode); > // menu.add(0,0,"Choose RSS Feed"); > // menu.add(0,1,"Refresh"); > menu.add(0, RSSReader.REFRESH, 0, "Refresh").setIcon( > android.R.drawable.ic_menu_mapmode); > Log.i(tag, "onCreateOptionsMenu"); > return true; > } > > @Override > public boolean onMenuItemSelected(final int featureId, final MenuItem > item) { > switch (item.getItemId()) { > case RSSReader.SELECT: > > Log.i(tag, "Set RSS Feed"); > return true; > case RSSReader.REFRESH: > Log.i(tag, "Refreshing RSS Feed"); > return true; > } > return false; > } > > private void UpdateDisplay() { > TextView feedtitle = (TextView) findViewById(R.id.feedtitle); > TextView feedpubdate = (TextView) findViewById(R.id.feedpubdate); > ListView itemlist = (ListView) findViewById(R.id.itemlist); > > if (feed == null) { > feedtitle.setText("No RSS Feed Available"); > return; > } > > feedtitle.setText(feed.getTitle()); > feedpubdate.setText(feed.getPubDate()); > > ArrayAdapter<RSSItem> adapter = new ArrayAdapter<RSSItem>(this, > android.R.layout.simple_list_item_1, feed.getAllItems()); > > itemlist.setAdapter(adapter); > > itemlist.setOnItemClickListener(this); > > itemlist.setSelection(0); > > } > > public void onItemClick(AdapterView parent, View v, int position, long > id) { > Log.i(tag, "item clicked! [" + feed.getItem(position).getTitle() + > "]"); > > Intent itemintent = new Intent(this, ShowDescription.class); > > Bundle b = new Bundle(); > b.putString("title", feed.getItem(position).getTitle()); > b.putString("description", > feed.getItem(position).getDescription()); > b.putString("link", feed.getItem(position).getLink()); > b.putString("pubdate", feed.getItem(position).getPubDate()); > > itemintent.putExtra("android.intent.extra.INTENT", b); > > // startSubActivity(itemintent,0); > startActivity(itemintent); > } > > } > public class RSSReader extends Activity implements OnItemClickListener { > > public final String RSSFEEDOFCHOICE = " > http://www.ibm.com/developerworks/views/rss/customrssatom.jsp?zone_by=XML&zone_by=Java&zone_by=Rational&zone_by=Linux&zone_by=Open+source&zone_by=WebSphere&type_by=Tutorials&search_by=&day=1&month=06&year=2007&max_entries=20&feed_by=rss&isGUI=true&Submit.x=48&Submit.y=14 > "; > > private static final int SELECT = 0; > private static final int REFRESH = 1; > > public final String tag = "RSSReader"; > private RSSFeed feed = null; > > /** Called when the activity is first created. */ > > > public void onCreate(Bundle icicle) { > super.onCreate(icicle); > setContentView(R.layout.main); > > // go get our feed! > feed = getFeed(RSSFEEDOFCHOICE); > > // display UI > UpdateDisplay(); > > } > > private RSSFeed getFeed(String urlToRssFeed) { > try { > // setup the url > URL url = new URL(urlToRssFeed); > > // create the factory > SAXParserFactory factory = SAXParserFactory.newInstance(); > // create a parser > SAXParser parser = factory.newSAXParser(); > > // create the reader (scanner) > XMLReader xmlreader = parser.getXMLReader(); > // instantiate our handler > RSSHandler theRssHandler = new RSSHandler(); > // assign our handler > xmlreader.setContentHandler(theRssHandler); > // get our data via the url class > InputSource is = new InputSource(url.openStream()); > // perform the synchronous parse > xmlreader.parse(is); > // get the results - should be a fully populated RSSFeed > instance, > // or null on error > return theRssHandler.getFeed(); > } catch (Exception ee) { > // if we have a problem, simply return null > return null; > } > } > > public boolean onCreateOptionsMenu(Menu menu) { > super.onCreateOptionsMenu(menu); > menu.add(0, RSSReader.SELECT, 0, "Choose RSS Feed").setIcon( > android.R.drawable.ic_menu_mapmode); > // menu.add(0,0,"Choose RSS Feed"); > // menu.add(0,1,"Refresh"); > menu.add(0, RSSReader.REFRESH, 0, "Refresh").setIcon( > android.R.drawable.ic_menu_mapmode); > Log.i(tag, "onCreateOptionsMenu"); > return true; > } > > > private void UpdateDisplay() { > TextView feedtitle = (TextView) findViewById(R.id.feedtitle); > TextView feedpubdate = (TextView) findViewById(R.id.feedpubdate); > ListView itemlist = (ListView) findViewById(R.id.itemlist); > > if (feed == null) { > feedtitle.setText("No RSS Feed Available"); > return; > } > > feedtitle.setText(feed.getTitle()); > feedpubdate.setText(feed.getPubDate()); > > ArrayAdapter<RSSItem> adapter = new ArrayAdapter<RSSItem>(this, > android.R.layout.simple_list_item_1, feed.getAllItems()); > > itemlist.setAdapter(adapter); > > itemlist.setOnItemClickListener(this); > > itemlist.setSelection(0); > > } > > > } > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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