Android Open Source - tum-campus Gallery

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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  .j  a v a2 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.GridView;
import android.widget.SimpleCursorAdapter;
import android.widget.SlidingDrawer;
import android.widget.SlidingDrawer.OnDrawerOpenListener;
import de.tum.in.tumcampus.models.GalleryManager;
import de.tum.in.tumcampus.services.DownloadService;

/**
 * Activity to show gallery items (name, image, etc.)
 */
public class Gallery extends Activity implements OnItemClickListener {

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

    // 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 images from database
    GalleryManager gm = new GalleryManager(this);
    Cursor c = gm.getFromDb();

    SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, R.layout.gallery_image, c, c.getColumnNames(),
        new int[] { R.id.image });

    GridView gridview = (GridView) findViewById(R.id.gridview);
    gridview.setAdapter(adapter);
    gridview.setOnItemClickListener(this);

    SlidingDrawer sd = (SlidingDrawer) findViewById(R.id.slider);
    sd.setOnDrawerOpenListener(new OnDrawerOpenListener() {

      @Override
      public void onDrawerOpened() {
        GalleryManager gm = new GalleryManager(Gallery.this);
        Cursor c = gm.getFromDbArchive();

        SimpleCursorAdapter adapter = new SimpleCursorAdapter(Gallery.this, R.layout.gallery_image, c, c
            .getColumnNames(), new int[] { R.id.image });

        GridView gridview2 = (GridView) findViewById(R.id.gridview2);
        gridview2.setAdapter(adapter);
        gridview2.setOnItemClickListener(Gallery.this);
      }
    });

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

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

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

  @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 gallery items
    Intent service = new Intent(this, DownloadService.class);
    service.putExtra("action", "gallery");
    startService(service);
    return true;
  }
}

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