RSS Reader Problem :/

1public class AndroidRssReader extends ListActivity {
2
3 private RSSFeed myRssFeed = null;
4
5 TextView feedTitle;
6 TextView feedDescribtion;
7 TextView feedPubdate;
8 TextView feedLink;
9
10 public class MyCustomAdapter extends ArrayAdapter<RSSItem> {
11
12 public MyCustomAdapter(Context context, int textViewResourceId,
13 List<RSSItem> list) {
14 super(context, textViewResourceId, list);
15 }
16
17 @Override
18 public View getView(int position, View convertView, ViewGroup parent) {
19 // TODO Auto-generated method stub
20 //return super.getView(position, convertView, parent);
21
22 View row = convertView;
23
24 if(row==null){
25 LayoutInflater inflater=getLayoutInflater();
26 row=inflater.inflate(R.layout.row, parent, false);
27 }
28
29 TextView listTitle=(TextView)row.findViewById(R.id.listtitle);
30 listTitle.setText(myRssFeed.getList().get(position).getTitle());
31 TextView listPubdate=(TextView)row.findViewById(R.id.listpubdate);
32 listPubdate.setText(myRssFeed.getList().get(position).getPubdate());
33
34 if (position%2 == 0){
35 listTitle.setBackgroundColor(0xff101010);
36 listPubdate.setBackgroundColor(0xff101010);
37 }
38 else{
39 listTitle.setBackgroundColor(0xff080808);
40 listPubdate.setBackgroundColor(0xff080808);
41 }
42
43 return row;
44 }
45 }
46
47 /** Called when the activity is first created. */
48 @Override
49 public void onCreate(Bundle savedInstanceState) {
50 super.onCreate(savedInstanceState);
51 setContentView(R.layout.main);
52
53 feedTitle = (TextView)findViewById(R.id.feedtitle);
54 feedDescribtion = (TextView)findViewById(R.id.feeddescribtion);
55 feedPubdate = (TextView)findViewById(R.id.feedpubdate);
56 feedLink = (TextView)findViewById(R.id.feedlink);
57
58 readRss();
59 }
60
61 private void readRss(){
62
63 feedTitle.setText("--- wait ---");
64 feedDescribtion.setText("");
65 feedPubdate.setText("");
66 feedLink.setText("");
67 setListAdapter(null);
68
69 Toast.makeText(this, "News werden geladen...", Toast.LENGTH_LONG).show();
70
71 try {
72 URL rssUrl = new URL("meinLink");
73 SAXParserFactory mySAXParserFactory = SAXParserFactory.newInstance();
74 SAXParser mySAXParser = mySAXParserFactory.newSAXParser();
75 XMLReader myXMLReader = mySAXParser.getXMLReader();
76 RSSHandler myRSSHandler = new RSSHandler();
77 myXMLReader.setContentHandler(myRSSHandler);
78 InputSource myInputSource = new InputSource(rssUrl.openStream());
79 myXMLReader.parse(myInputSource);
80
81 myRssFeed = myRSSHandler.getFeed();
82
83 } catch (MalformedURLException e) {
84 // TODO Auto-generated catch block
85 e.printStackTrace();
86 } catch (ParserConfigurationException e) {
87 // TODO Auto-generated catch block
88 e.printStackTrace();
89 } catch (SAXException e) {
90 // TODO Auto-generated catch block
91 e.printStackTrace();
92 } catch (IOException e) {
93 // TODO Auto-generated catch block
94 e.printStackTrace();
95 }
96
97 if (myRssFeed!=null)
98 {
99 Calendar c = Calendar.getInstance();
100 String strCurrentTiime = "\n(Time of Reading - "
101 + c.get(Calendar.HOUR_OF_DAY)
102 + " : "
103 + c.get(Calendar.MINUTE) + ")\n";
104
105 feedTitle.setText(myRssFeed.getTitle() + strCurrentTiime);
106 feedDescribtion.setText(myRssFeed.getDescription());
107 feedPubdate.setText(myRssFeed.getPubdate());
108 feedLink.setText(myRssFeed.getLink());
109
110
111 MyCustomAdapter adapter =
112 new MyCustomAdapter(this, R.layout.row, myRssFeed.getList());
113 setListAdapter(adapter);
114
115 }
116 }
117
118 @Override
119 protected void onListItemClick(ListView l, View v, int position, long id) {
120 // TODO Auto-generated method stub
121 Uri feedUri = Uri.parse(myRssFeed.getItem(position).getLink());
122 Intent myIntent = new Intent(Intent.ACTION_VIEW, feedUri);
123 startActivity(myIntent);
124 }
125
126 @Override
127 public boolean onCreateOptionsMenu(Menu menu) {
128 // TODO Auto-generated method stub
129 menu.add(0, 0, 0, "Refresh");
130 return true;
131 }
132
133 @Override
134 public boolean onOptionsItemSelected(MenuItem item) {
135 // TODO Auto-generated method stub
136 switch(item.getItemId()){
137 case (0): readRss();
138 break;
139 default:
140 break;
141 }
142
143 return true;
144 }
145
146
147}

1public class RSSFeed {
2 private String title = null;
3 private String description = null;
4 private String link = null;
5 private String pubdate = null;
6 private List<RSSItem> itemList;
7
8 RSSFeed(){
9 itemList = new Vector<RSSItem>(0);
10 }
11
12 void addItem(RSSItem item){
13 itemList.add(item);
14 }
15
16 RSSItem getItem(int location){
17 return itemList.get(location);
18 }
19
20 List<RSSItem> getList(){
21 return itemList;
22 }
23
24 void setTitle(String value)
25 {
26 title = value;
27 }
28 void setDescription(String value)
29 {
30 description = value;
31 }
32 void setLink(String value)
33 {
34 link = value;
35 }
36 void setPubdate(String value)
37 {
38 pubdate = value;
39 }
40
41 String getTitle()
42 {
43 return title;
44 }
45 String getDescription()
46 {
47 return description;
48 }
49 String getLink()
50 {
51 return link;
52 }
53 String getPubdate()
54 {
55 return pubdate;
56 }
57
58}

1public class RSSHandler extends DefaultHandler {
2
3 final int state_unknown = 0;
4 final int state_title = 1;
5 final int state_description = 2;
6 final int state_link = 3;
7 final int state_pubdate = 4;
8 int currentState = state_unknown;
9
10 RSSFeed feed;
11 RSSItem item;
12
13 boolean itemFound = false;
14
15 RSSHandler(){
16 }
17
18 RSSFeed getFeed(){
19 return feed;
20 }
21
22 @Override
23 public void startDocument() throws SAXException {
24 // TODO Auto-generated method stub
25 feed = new RSSFeed();
26 item = new RSSItem();
27
28 }
29
30 @Override
31 public void endDocument() throws SAXException {
32 // TODO Auto-generated method stub
33 }
34
35 @Override
36 public void startElement(String uri, String localName, String qName,
37 Attributes attributes) throws SAXException {
38 // TODO Auto-generated method stub
39
40 if (localName.equalsIgnoreCase("item")){
41 itemFound = true;
42 item = new RSSItem();
43 currentState = state_unknown;
44 }
45 else if (localName.equalsIgnoreCase("title")){
46 currentState = state_title;
47 }
48 else if (localName.equalsIgnoreCase("description")){
49 currentState = state_description;
50 }
51 else if (localName.equalsIgnoreCase("link")){
52 currentState = state_link;
53 }
54 else if (localName.equalsIgnoreCase("pubdate")){
55 currentState = state_pubdate;
56 }
57 else{
58 currentState = state_unknown;
59 }
60
61 }
62
63 @Override
64 public void endElement(String uri, String localName, String qName)
65 throws SAXException {
66 // TODO Auto-generated method stub
67 if (localName.equalsIgnoreCase("item")){
68 feed.addItem(item);
69 }
70 }
71
72 @Override
73 public void characters(char[] ch, int start, int length)
74 throws SAXException {
75 // TODO Auto-generated method stub
76
77 String strCharacters = new String(ch,start,length);
78
79 if (itemFound==true){
80 // "item" tag found, it's item's parameter
81 switch(currentState){
82 case state_title:
83 item.setTitle(strCharacters);
84 break;
85 case state_description:
86 item.setDescription(strCharacters);
87 break;
88 case state_link:
89 item.setLink(strCharacters);
90 break;
91 case state_pubdate:
92 item.setPubdate(strCharacters);
93 break;
94 default:
95 break;
96 }
97 }
98 else{
99 // not "item" tag found, it's feed's parameter
100 switch(currentState){
101 case state_title:
102 feed.setTitle(strCharacters);
103 break;
104 case state_description:
105 feed.setDescription(strCharacters);
106 break;
107 case state_link:
108 feed.setLink(strCharacters);
109 break;
110 case state_pubdate:
111 feed.setPubdate(strCharacters);
112 break;
113 default:
114 break;
115 }
116 }
117
118 currentState = state_unknown;
119 }
120
121
122}

1public class RSSItem {
2
3 private String title = null;
4 private String description = null;
5 private String link = null;
6 private String pubdate = null;
7
8 RSSItem(){
9 }
10
11 void setTitle(String value)
12 {
13 title =value;
14 }
15 void setDescription(String value)
16 {
17 description = value;
18 }
19 void setLink(String value)
20 {
21 link = value;
22 }
23 void setPubdate(String value)
24 {
25 pubdate = value;
26 }
27
28 String getTitle()
29 {
30 return title;
31 }
32 String getDescription()
33 {
34 return description;
35 }
36 String getLink()
37 {
38 return link;
39 }
40 String getPubdate()
41 {
42 return pubdate;
43 }
44
45 /*@Override
46 public String toString() {
47 // TODO Auto-generated method stub
48 return title;
49 }*/
50
51
52
53}