Android Open Source - tum-campus Events

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License

The source code is released under:
GNU General Public License
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Java Source Code

?package de.tum.in.tumcampus;
/*w  w w  . java  2 s  . c o  m*/
import android.app.Activity;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.SlidingDrawer;
import android.widget.SimpleCursorAdapter.ViewBinder;
import android.widget.SlidingDrawer.OnDrawerOpenListener;
import android.widget.TextView;
import de.tum.in.tumcampus.models.EventManager;
import de.tum.in.tumcampus.services.DownloadService;

/**
 * Activity to show events (name, location, image, etc.)
 */
public class Events extends Activity implements OnItemClickListener, ViewBinder {

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.events);

    // get toast feedback and resume activity
    registerReceiver(DownloadService.receiver, new IntentFilter(DownloadService.broadcast));
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    unregisterReceiver(DownloadService.receiver);
  }

  @Override
  protected void onResume() {
    super.onResume();

    // get current and upcoming events from database
    EventManager em = new EventManager(this);
    Cursor c = em.getNextFromDb();

    SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, R.layout.events_listview, c, c.getColumnNames(),
        new int[] { R.id.icon, R.id.name, R.id.infos });

    adapter.setViewBinder(this);

    ListView lv = (ListView) findViewById(R.id.listView);
    lv.setAdapter(adapter);
    lv.setOnItemClickListener(this);

    SlidingDrawer sd = (SlidingDrawer) findViewById(R.id.slider);
    sd.setOnDrawerOpenListener(new OnDrawerOpenListener() {
      @Override
      public void onDrawerOpened() {
        // get past events from database
        EventManager em = new EventManager(Events.this);
        Cursor c = em.getPastFromDb();

        SimpleCursorAdapter adapter = new SimpleCursorAdapter(Events.this, R.layout.events_listview, c, c
            .getColumnNames(), new int[] { R.id.icon, R.id.name, R.id.infos });
        adapter.setViewBinder(Events.this);

        ListView lv2 = (ListView) findViewById(R.id.listView2);
        lv2.setAdapter(adapter);
        lv2.setOnItemClickListener(Events.this);
      }
    });

    // reset new items counter
    EventManager.lastInserted = 0;
  }

  @Override
  public void onItemClick(AdapterView<?> av, View v, int position, long id) {
    Cursor c = (Cursor) av.getAdapter().getItem(position);

    // open event details when clicking an event in the list
    Intent intent = new Intent(this, EventsDetails.class);
    intent.putExtra("id", c.getString(c.getColumnIndex("_id")));
    startActivity(intent);
  }

  @Override
  public boolean setViewValue(View view, Cursor c, int index) {

    /**
     * <pre>
     * Show event info text as:
     * Week-Day, Start DateTime - End Time
     * location
     * </pre>
     */
    if (view.getId() == R.id.infos) {
      String[] weekDays = "So,Mo,Di,Mi,Do,Fr,Sa".split(",");

      TextView infos = (TextView) view;
      infos.setText(weekDays[c.getInt(c.getColumnIndex("weekday"))] + ", "
          + c.getString(c.getColumnIndex("start_de")) + " - " + c.getString(c.getColumnIndex("end_de"))
          + "\n" + c.getString(c.getColumnIndex("location")));
      return true;
    }
    return false;
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    super.onCreateOptionsMenu(menu);
    MenuItem m = menu.add(0, Menu.FIRST, 0, "Aktualisieren");
    m.setIcon(R.drawable.ic_menu_refresh);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // download latest events
    Intent service = new Intent(this, DownloadService.class);
    service.putExtra("action", "events");
    startService(service);
    return true;
  }
}
Java Source Code List
