Android Open Source - bbcplayer Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.rmgoncalo.bbcplayer;
/*from  ww w .  j av  a2  s  . c  om*/
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;

import org.xmlpull.v1.XmlPullParserException;

import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
import android.widget.ListView;

public class MainActivity extends Activity {

  private static final String URL = "http://feeds.bbc.co.uk/iplayer/categories/films/tv/list";
  private static final String logtag = "MainActivity";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    new DownloadXmlTask().execute(URL);

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  // Implementation of AsyncTask used to download XML feed
  private class DownloadXmlTask extends AsyncTask<String, Void, List<Entry>> {
    @Override
    protected List<Entry> doInBackground(String... urls) {
      try {
        return loadXmlFromNetwork(urls[0]);
      } catch (IOException e) {
        Log.d(logtag, "doInBackground IOException");
        return null;
      } catch (XmlPullParserException e) {
        Log.d(logtag, "doInBackground XmlPullParserException");
        return null;
      }
    }

    @Override
    protected void onPostExecute(List<Entry> entries) {
      setContentView(R.layout.activity_main);
      final ListView lv = (ListView) findViewById(R.id.list);
      
      // TODO: make sortList static
      Util u = new Util();
      u.sortList(entries);
      
      

      lv.setAdapter(new EntryArrayAdapter(getApplicationContext(),
          entries));
    }
  }

  // Uploads XML and parses it

  private List<Entry> loadXmlFromNetwork(String urlString)
      throws XmlPullParserException, IOException {
    InputStream stream = null;
    // Instantiate the parser
    XmlParser xmlParser = new XmlParser();
    List<Entry> entries = null;

    try {
      stream = downloadUrl(urlString);
      entries = xmlParser.parse(stream);

      // Makes sure that the InputStream is closed after the app is
      // finished using it.
    } finally {
      if (stream != null) {
        stream.close();
      }
    }

    return entries;
  }

  // Given a string representation of a URL, sets up a connection and gets
  // an input stream.
  private InputStream downloadUrl(String urlString) throws IOException {
    URL url = new URL(urlString);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setReadTimeout(10000 /* milliseconds */);
    conn.setConnectTimeout(15000 /* milliseconds */);
    conn.setRequestMethod("GET");
    conn.setDoInput(true);
    // Starts the query
    conn.connect();
    return conn.getInputStream();
  }

}

Java Source Code List

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