저는 Android 개발을 처음 접했고 한 번에 두 개 이상의 태그를 구문 분석하여 ListView
에 표시하려고 애 쓰고 있습니다.TITLE 태그 만 구문 분석 할 수 있습니다 - 링크, 설명, PUBDATE 및 기타 구문 분석하지 않습니다. (RSS/SAX)
SAX 파서를 사용하고 있습니다. 내 RssParseHandler
코드입니다.
public class ReaderAppActivity extends Fragment {
private ReaderAppActivity local;
private ListView mList;
/**
* This method creates main application view
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
//super.onCreate(savedInstanceState);
// Set view
//setContentView(R.layout.fragment_rss);
local = this;
//int position = getArguments().getInt("position");
// String url = getArguments().getString("url");
// List of rivers
String[] menus = getResources().getStringArray(R.array.menus);
// Creating view corresponding to the fragment
View v = inflater.inflate(R.layout.fragment_rss, container, false);
// Set reference to this activity
//local = this;
GetRSSDataTask task = new GetRSSDataTask();
// Start download RSS task
task.execute("http://thechurchofwhatshappeningnow.libsyn.com/rss");
//task.execute(url);
// Debug the thread name
Log.d("ITCRssReader", Thread.currentThread().getName());
//mList = (ListView) findViewById(R.id.rssListMainView);
return v;
}
private class GetRSSDataTask extends AsyncTask<String, Void, List<RssItem> > {
@Override
protected List<RssItem> 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<RssItem> result) {
// Get a ListView from main view
ListView mList = (ListView) getView().findViewById(R.id.rssListMainView);
// Create a list adapter
ArrayAdapter<RssItem> adapter = new ArrayAdapter<RssItem>(getActivity(),R.layout.rss_text, result);
//ArrayAdapter<RssItem> adapter = new ArrayAdapter<RssItem>(getActivity(),R.layout.fragment_rss, result);
// Set list adapter for the ListView
mList.setAdapter(adapter);
// Set list view item click listener
mList.setOnItemClickListener(new ListListener(result, getActivity()));
}
}
}
내가 잘못 뭐하는 거지 : 여기
public class RssParseHandler extends DefaultHandler {
private List<RssItem> rssItems;
private RssItem currentMessage;
//private StringBuilder builder;
private boolean parseLink;
private boolean parseTitle;
private boolean parseDate;
private boolean parseDes;
public RssParseHandler() {
rssItems = new ArrayList();
}
public List<RssItem> getItems() {
return this.rssItems;
}
@Override
public void startElement(String uri, String localName, String name,
Attributes attributes) throws SAXException {
super.startElement(uri, localName, name, attributes);
if (localName.equalsIgnoreCase("item")) {
this.currentMessage = new RssItem();
} else if (localName.equalsIgnoreCase("title")) {
//currentMessage.setTitle(builder.toString());
parseTitle = true;
} else if (localName.equalsIgnoreCase("link")) {
//currentMessage.setLink(builder.toString());
parseLink = true;
} else if (localName.equalsIgnoreCase("description")) {
//currentMessage.setDescription(builder.toString());
parseDes = true;
} else if (localName.equalsIgnoreCase("pubDate")) {
//currentMessage.setDate(builder.toString());
parseDate = true;
}
//parsing enclosure tag
else if ("enclosure".equals(localName)) {
// Get tags attributes number
int attrsLength = attributes.getLength();
for (int i = 0; i < attrsLength; i++) {
String attrName = attributes.getQName(i); // attribute name
if ("url".equals(attrName)) // This tag has only one attribute but it is better to check it name is correct
currentMessage.getLink();
}
}
}
@Override
public void endElement(String uri, String localName, String name)
throws SAXException {
super.endElement(uri, localName, name);
if (this.currentMessage != null) {
if (localName.equalsIgnoreCase("item")) {
rssItems.add(currentMessage);
//currentMessage = null;
} else if (localName.equalsIgnoreCase("link")) {
//currentMessage.setLink(builder.toString());
//parseLink = false;
} else if (localName.equalsIgnoreCase("description")) {
//currentMessage.setDescription(builder.toString());
//parseDes = false;
} else if (localName.equalsIgnoreCase("pubDate")){
//currentMessage.setDate(builder.toString());
parseDate = false;
} else if (localName.equalsIgnoreCase("title")) {
//currentMessage.setTitle(builder.toString());
parseTitle = false;
}
//builder.setLength(0);
}
}
@Override
public void characters(char[] ch, int start, int length)
throws SAXException {
super.characters(ch, start, length);
//builder.append(ch, start, length);
if (parseTitle) {
if (currentMessage != null)
currentMessage.setTitle(new String(ch, start, length));
} else if (parseLink) {
if (currentMessage != null) {
currentMessage.setLink(new String(ch, start, length));
//parseLink = false;
}
} else if (parseDes) {
if (currentMessage != null)
currentMessage.setDescription(new String(ch, start, length));
//parseLink = false;
} else if (parseDate) {
if (currentMessage != null) {
currentMessage.setDate(new String(ch, start, length));
//currentMessage.setDate(new String(ch, start, length));
//parseDesc = false;
}
}
}
}
리스트 뷰에 대한 코드? 나는 그것을 이해할 수 없다. 나는 링크, 설명, pubDate를 파싱하고 ListView에 전달하려고합니다. 이상적으로는 listview에 제목과 에피소드 번호 만 표시하고 다른 태그는 String으로 전달하므로 listView에서 항목을 클릭하면이를 표시 할 수 있습니다.
ListView에서 항목을 클릭 할 때 호출되는 SingleMenuItem이라는 또 다른 클래스를 만들었습니다. 필자가 지금 필자는 항목을 파싱하지 않았기 때문에 아무것도 표시하지 않습니다.
도움을 주시면 감사하겠습니다. 당신의 RssParseHandler
에
public class ReaderAppActivity extends Fragment {
private ReaderAppActivity local;
private ListView mList;
/**
* This method creates main application view
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
//super.onCreate(savedInstanceState);
// Set view
//setContentView(R.layout.fragment_rss);
local = this;
//int position = getArguments().getInt("position");
// String url = getArguments().getString("url");
// List of rivers
String[] menus = getResources().getStringArray(R.array.menus);
// Creating view corresponding to the fragment
View v = inflater.inflate(R.layout.fragment_rss, container, false);
// Set reference to this activity
//local = this;
GetRSSDataTask task = new GetRSSDataTask();
// Start download RSS task
task.execute("http://thechurchofwhatshappeningnow.libsyn.com/rss");
//task.execute(url);
// Debug the thread name
Log.d("ITCRssReader", Thread.currentThread().getName());
//mList = (ListView) findViewById(R.id.rssListMainView);
return v;
}
private class GetRSSDataTask extends AsyncTask<String, Void, List<RssItem> > {
@Override
protected List<RssItem> 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<RssItem> result) {
// Get a ListView from main view
ListView mList = (ListView) getView().findViewById(R.id.rssListMainView);
// Create a list adapter
ArrayAdapter<RssItem> adapter = new ArrayAdapter<RssItem>(getActivity(),R.layout.rss_text, result);
//ArrayAdapter<RssItem> adapter = new ArrayAdapter<RssItem>(getActivity(),R.layout.fragment_rss, result);
// Set list adapter for the ListView
mList.setAdapter(adapter);
// Set list view item click listener
mList.setOnItemClickListener(new ListListener(result, getActivity()));
}
}
}