> private class RssFeedTask extends AsyncTask<String, Void, String> {
> String response = "";
>
> @Override
> protected void onPreExecute() {
> // TODO: Dialog
> }
>
> @Override
> protected String doInBackground(String... urls) {
> try {
> String feed = "http://google.com";
> HtmListParser rh = new HtmListParser();
> rssStr = rh.getLatestArticles(feed);
> } catch (Exception e) {
> Log.e("error_connection", "Error in http connection "+e.toString());
> }
> return response;
>
> }
>
> @Override
> protected void onPostExecute(String result) {
> // TODO: dismiss Dialog and set adapter
> }
> }
> public class HtmListParser {
> private RssFeedStructure feedStr = new RssFeedStructure();
> private List<RssFeedStructure> rssList = new ArrayList<RssFeedStructure>();
>
>
> public List<RssFeedStructure> getLatestArticles(String feedUrl) {
> try {
> Document doc = Jsoup.connect(feedUrl).get();
>
> } catch (IOException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> }
>
>
> return null;
> }
>
> }
**and The Exceptions:**
02-07 08:40:47.346: E/AndroidRuntime(1027): FATAL EXCEPTION: AsyncTask #1 02-07 08:40:47.346: E/AndroidRuntime(1027): java.lang.RuntimeException: An error occured while executingdoInBackground() 02-07 08:40:47.346: E/AndroidRuntime(1027): 在 android.os.AsyncTask$3.done(AsyncTask.java:299) 02-07 08:40:47.346: E/AndroidRuntime(1027) : 在 java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352) 02-07 08:40:47.346: E/AndroidRuntime(1027): 在 java.util.concurrent.FutureTask.setException(FutureTask.java:219 ) 02-07 08:40:47.346: E/AndroidRuntime(1027): 在 java.util.concurrent.FutureTask.run(FutureTask.java:239) 02-07 08:40:47.346: E/AndroidRuntime(1027):在 android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230) 02-07 08:40:47.346: E/AndroidRuntime(1027): 在 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080 ) 02-07 08:40:47.346: E/AndroidRuntime(1027): 在 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) 02-07 08:40:47.346: E/AndroidRuntime(1027): 在 java.lang.Thread.run(Thread.java:856) 02-07 08:40:47.346: E/AndroidRuntime(1027): 引起作者：java.lang.NoClassDefFoundError：org.jsoup.Jsoup 02-07 08:40:47.346：E/AndroidRuntime(1027)：在 com.newsinlevels.helper.HtmListParser.getLatestArticles(HtmListParser.java:20) 02-07 08 :40:47.346: E/AndroidRuntime(1027): at com.newsinlevels.activity.MainActivity$RssFeedTask.doInBackground(MainActivity.java:120) 02-07 08:40:47.346: E/AndroidRuntime(1027): at com. newsinlevels.activity.MainActivity$RssFeedTask.doInBackground(MainActivity.java:1) 02-07 08:40:47.346: E/AndroidRuntime(1027): at android.os.AsyncTask$2.call(AsyncTask.java:287) 02- 07 08:40:47.346: E/AndroidRuntime(1027): 在 java.util.concurrent.FutureTask.run(FutureTask.java:234) 02-07 08:40:47.346: E/AndroidRuntime(1027): ... 4 更多