Android Open Source - RSSReader Main

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License

The source code is released under:

"THE BEER-WARE LICENSE" (Revision 42): <raphaelbussa@gmail.com> wrote this file. As long as you retain this notice you can do whatever you want with this stuff. If we meet some day, and you think this...

Java Source Code

package rebus.rssreader;
//from ww  w  . java 2  s  .  co m
import java.util.ArrayList;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.webkit.WebView;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class Main extends Activity {

  private ArrayList<String> title;
  private ArrayList<String> description;
  private ArrayList<String> url;
  private ArrayList<String> data;

  private ProgressDialog loading;
  
  private String feed_rss = "http://feeds.bbci.co.uk/news/rss.xml";
  private ListView list;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    list = (ListView) findViewById(R.id.listView1);
    ParsingRSS parsingFeed = new ParsingRSS();
    parsingFeed.execute("");
  }

  private class ParsingRSS extends AsyncTask<String,String,String> {

    

    @Override
    protected void onPreExecute()
    {
      loading = new ProgressDialog(Main.this);
      loading.setMessage(getResources().getText(R.string.loading));
      loading.setCancelable(false);
      loading.show();
      title = new ArrayList<String>();
      description = new ArrayList<String>();
      url = new ArrayList<String>();
      data = new ArrayList<String>();
    }

    @Override
    protected String doInBackground(String... params) {
      try {
        Document doc = Jsoup.connect(feed_rss)
            .userAgent("Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.172 Safari/537.22")
            .timeout((int) (9999 * 9999)).get();

        Elements elemento2 = doc.getElementsByTag("item");

        for(Element elemento3 : elemento2) {
          String title_parsed = elemento3.getElementsByTag("title").first().text();
          String url_parsed = elemento3.getElementsByTag("guid").first().text();
          String data_parsed = elemento3.getElementsByTag("pubDate").first().text();
          String description_parsed = elemento3.getElementsByTag("description").first().text();

          Log.d("title: ", title_parsed);
          Log.d("url: ", url_parsed);
          Log.d("data: ", data_parsed);
          Log.d("description: ", description_parsed);
          title.add(title_parsed);
          url.add(url_parsed);
          data.add(data_parsed);
          description.add(description_parsed);
        }

      } catch (Exception e) {
        Log.e("error", "parsing");
        
      }
      return null;
    }

    @Override
    protected void onPostExecute(String result) {
      loading.dismiss();
      if (title.size() == 0) {
        Toast toast = Toast.makeText(Main.this,
              getResources().getText(R.string.error),
                Toast.LENGTH_LONG);
                toast.show();
        finish();
      }
      String[] list_title = title.toArray(new String[title.size()]);
      ArrayAdapter<String> adapter = new ArrayAdapter<String>(Main.this, android.R.layout.simple_list_item_1, list_title);
      list.setAdapter(adapter);
      list.setOnItemClickListener(new OnItemClickListener() {
        public void onItemClick(AdapterView<?> parent, View view,
            final int pos, long id) {
          String article = data.get(pos) + "<br><br>" + description.get(pos);
          AlertDialog.Builder details = new AlertDialog.Builder(Main.this);
          details.setTitle(title.get(pos));
          WebView webview = new WebView(Main.this);
          webview.loadData(article, "text/html; charset=UTF-8", "UTF-8");
          details.setView(webview);
          details.setNegativeButton(getResources().getText(R.string.share), new DialogInterface.OnClickListener() {
              @Override
              public void onClick(DialogInterface dialog, int id) {
                Intent i=new Intent(android.content.Intent.ACTION_SEND);
              i.setType("text/plain");
              i.putExtra(android.content.Intent.EXTRA_TEXT, title.get(pos) + "\n\n" + url.get(pos));
              startActivity(Intent.createChooser(i,getResources().getText(R.string.share)));
              }
          });
          details.setPositiveButton(getResources().getText(R.string.browser), new DialogInterface.OnClickListener() {
              @Override
              public void onClick(DialogInterface dialog, int id) {
                Intent openBrowser = new Intent(Intent.ACTION_VIEW);
                openBrowser.setData(Uri.parse(url.get(pos)));
              Main.this.startActivity(openBrowser);
              }
          });
          details.show();
        }
      });
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch(item.getItemId())
    {
    case R.id.refresh:
      ParsingRSS parsingFeed = new ParsingRSS();
      parsingFeed.execute("");
      return true;
    }
    return true;

  }

}

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