Android Open Source - radiogeek Main Activity

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From Project

Back to project page radiogeek.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.farnabaz.android.radiogeek;
//w  w  w  .  java  2s.c  o m
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.net.MalformedURLException;

import com.actionbarsherlock.view.MenuItem.OnMenuItemClickListener;
import com.farnabaz.android.FActivity;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;

import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.ArrayAdapter;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends FActivity {

  private boolean isDownloadInProgress;

  private ArrayList<Item> episodesList;
  private PodcastListAdapter listAdapter;
  private PullToRefreshListView listView;

  DataHandler dh;

  class RSSUpdator extends AsyncTask<Integer, Integer, Integer> {
    private RSSParser parser = null;

    @Override
    protected void onPreExecute() {
      if (isConnectedToNetwork()) {
        if (!isDownloadInProgress) {
          parser = new RSSParser();
        } else {
          showShortMessageInToast(R.string.downloading);
        }
      } else {
        showShortMessageInToast(R.string.no_internet);
      }
      setDownloadState(true);
      super.onPreExecute();
    }

    @Override
    protected Integer doInBackground(Integer... params) {
      if (parser != null)
        try {
          parser.setUrl(new URL(DataHandler.PODCAST_URL));
          parser.parse();
        } catch (MalformedURLException e) {
          // Log.e(TAG, "URL Error " + e.getMessage());
        }
      return null;
    }

    @Override
    protected void onPostExecute(Integer result) {
      if (parser != null)
        if (parser.hasItem()) {
          showShortMessageInToast(R.string.feed_updated);
          checkFeedList(parser.getRSS());
          listAdapter.notifyDataSetChanged();
        } else {
          showShortMessageInToast(R.string.feed_update_error);
        }
      setDownloadState(false);
      super.onPostExecute(result);
    }
  }

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

    episodesList = new ArrayList<Item>();
    listAdapter = new PodcastListAdapter(this,
        android.R.layout.simple_list_item_1, episodesList);
    listView = (PullToRefreshListView) findViewById(R.id.podcast_list);
    listView.setAdapter(listAdapter);

    registerForContextMenu(listView.getRefreshableView());
    listView.setOnRefreshListener(new PullToRefreshListView.OnRefreshListener<ListView>() {

      @Override
      public void onRefresh(PullToRefreshBase<ListView> refreshView) {
        new RSSUpdator().execute();
      }
    });

    dh = new DataHandler(this);
    dh.openDB();
    dh.getEpisodesList(episodesList);
    dh.closeDB();

    listAdapter.notifyDataSetChanged();

    if (!DataHandler.checkSDCard()) {
      Toast.makeText(this,
          "radiogeek folder could not created on SDCARD",
          Toast.LENGTH_LONG).show();
    }
  }

  @Override
  public void onCreateContextMenu(ContextMenu menu, View v,
      ContextMenuInfo menuInfo) {
    super.onCreateContextMenu(menu, v, menuInfo);
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.podcast_list_context, menu);
  }

  @Override
  public boolean onContextItemSelected(android.view.MenuItem item) {
    AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
        .getMenuInfo();
    Item i;
    switch (item.getItemId()) {
    case R.id.mark_read:
      i = episodesList.get(info.position - 1);
      i.played = Item.ITEM_COMPLETELY_PLAYED;
      dh.openDB();
      dh.setItemPlayed(i.getId(), Item.ITEM_COMPLETELY_PLAYED);
      dh.closeDB();
      listAdapter.notifyDataSetChanged();
      break;
    case R.id.mark_unread:
      i = episodesList.get(info.position - 1);
      i.played = Item.ITEM_NOT_PLAYED;
      dh.openDB();
      dh.setItemPlayed(i.getId(), Item.ITEM_NOT_PLAYED);
      dh.closeDB();
      listAdapter.notifyDataSetChanged();
      break;
    case R.id.view_podcast_page:
      Intent browse = new Intent(Intent.ACTION_VIEW,
          Uri.parse(episodesList.get(info.position - 1).link));
      startActivity(browse);
    default:
      break;
    }
    return super.onContextItemSelected(item);
  }

  @Override
  public boolean onCreateOptionsMenu(com.actionbarsherlock.view.Menu menu) {
    menu.add(R.string.about)
        .setOnMenuItemClickListener(new OnMenuItemClickListener() {

          @Override
          public boolean onMenuItemClick(
              com.actionbarsherlock.view.MenuItem item) {
            startActivity(new Intent(MainActivity.this,
                AboutActivity.class));
            return true;
          }
        })
        .setShowAsAction(
            com.actionbarsherlock.view.MenuItem.SHOW_AS_ACTION_NEVER);

    return super.onCreateOptionsMenu(menu);
  }

  private void checkFeedList(ArrayList<Item> items) {
    dh.openDB();
    int max = episodesList.size() == 0 ? -1 : episodesList.get(0).getId();
    for (int i = items.size() - 1; i >= 0; i--) {
      Item item = items.get(i);
      if (item.getId() > max) {
        dh.setEpisode(item);
        episodesList.add(0, item);
      }
    }
    dh.closeDB();
  }

  /**
   * change download state
   * 
   * @param state
   */
  private void setDownloadState(boolean state) {
    isDownloadInProgress = state;
    if (state) {
      listView.setRefreshing(true);
    } else {
      listView.onRefreshComplete();
    }
  }

  class PodcastListAdapter extends ArrayAdapter<Item> implements
      OnClickListener {
    FActivity _context;

    public PodcastListAdapter(FActivity context, int textViewResourceId,
        List<Item> objects) {
      super(context, textViewResourceId, objects);
      _context = context;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
      if (convertView == null) {
        LayoutInflater inf = _context.getLayoutInflater();
        convertView = inf.inflate(R.layout.layout_podcast_list_item,
            null);
      }
      Item item = getItem(position);
      TextView number = (TextView) convertView
          .findViewById(R.id.podcast_list_item_number);
      TextView title = (TextView) convertView
          .findViewById(R.id.podcast_list_item_title);
      ImageButton image = (ImageButton) convertView
          .findViewById(R.id.podcast_list_item_button);
      ImageView status = (ImageView) convertView
          .findViewById(R.id.podcast_list_item_status);
      number.setText(item.getId() + "");
      String s = (item.description.length() > 100) ? item.description
          .substring(0, 100) + " ..." : item.description;
      ((TextView) convertView
          .findViewById(R.id.podcast_list_item_description))
          .setText(s);

      title.setText(item.title);
      switch (item.played) {
      case Item.ITEM_NOT_PLAYED:
        status.setImageResource(R.drawable.ic_w8_new);
        break;
      case Item.ITEM_PARTIALY_PLAYED:
        status.setImageResource(R.drawable.ic_w8_half);
        break;
      default:
        status.setImageDrawable(null);
        break;
      }
      image.setFocusable(false);
      image.setTag(item);
      image.setOnClickListener(this);
      if (!DataHandler.episodeAudio(item.getId()).exists()) {
        image.setImageResource(R.drawable.ic_w8_download);
      } else {
        image.setImageResource(R.drawable.ic_w8_online);
      }

      return convertView;
    }

    @Override
    public void onClick(View arg0) {
      if (arg0 instanceof ImageButton) {
        ImageButton image = (ImageButton) arg0;
        Item item = (Item) image.getTag();
        if (DataHandler.episodeAudio(item.getId()).exists()) {
          Intent i = PodcastActivity.createIntent(MainActivity.this);
          i.putExtra("podcast_number", item.getId());
          startActivity(i);
        } else {
          if (!isDownloadServiceRunning()) {
            Intent msgIntent = new Intent(MainActivity.this,
                DownloadService.class);
            msgIntent.putExtra("id", item.getId());
            msgIntent.putExtra("url", item.getUrl());
            msgIntent.putExtra("destination", DataHandler
                .episodeAudio(item.getId()).getAbsolutePath());
            msgIntent.putExtra("title", item.title);
            startService(msgIntent);
            showProgressDialog();
          } else {
            showShortMessageInToast(R.string.download_only_one);
          }
        }
      }
    }

  }

  @Override
  protected void onDownloadFinish() {
    showShortMessageInToast(R.string.download_finish);
    listAdapter.notifyDataSetChanged();
  }

  @Override
  protected void onDownloadStopped() {

  }
}

Java Source Code List

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