Android Open Source - 2014-Droid-code Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package cs518.sample.usecalendarcontentprovider;
/*//  w  ww. j  av  a 2 s. c om
 * Uses the Calendar Content Provider
 * needs the following in the manifest
 *  <uses-permission android:name="android.permission.READ_CALENDAR" />
 *  If you add writing functionality you will also need:
 *  <uses-permission android:name="android.permission.WRITE_CALENDAR" />
 *     
 *  following 
 *  http://developer.android.com/guide/topics/providers/content-providers.html
 *  http://developer.android.com/guide/topics/providers/calendar-provider.html
 *  This is a simple implementation I leave it to you to implement 
 *  a CursorAdapter and an AdapterView and and other functionality.
 */
import android.app.Activity;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.CalendarContract.Calendars;
import android.widget.TextView;
import cs518.sample.usecontactcontentprovider.R;

public class MainActivity extends Activity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    TextView tView = (TextView) findViewById(R.id.calendarview);
    Cursor cursor = getCalendar();

    while (cursor.moveToNext() ) {
      String displayName = cursor.getString(cursor
          .getColumnIndex(Calendars.NAME));
      tView.append("Name: ");
      tView.append(displayName);
      tView.append("\n");
    }
    cursor.close();
  }
  private Cursor getCalendar() {
    // Run query, read all calendars on device 
    Uri uri = Calendars.CONTENT_URI;
    String[] projection = new String[] { Calendars._ID,
        Calendars.NAME, 
        Calendars.ACCOUNT_NAME,
        Calendars.ACCOUNT_TYPE};

    String selection = Calendars.VISIBLE + " = '"
        + ("1") + "'";
    String[] selectionArgs = null;

    String sortOrder = Calendars._ID 
        + " COLLATE LOCALIZED ASC";
    /**
     * Not using SQLiteDatabawe.query(table, ...)
     * using ContentResolver.query(uri, ...)
     */
    return getContentResolver().query(uri, projection, selection, selectionArgs,
        sortOrder);
  }

}

Java Source Code List

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