public class CalendarActivity extends Activity {
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Cursor cursor = getContentResolver().query(
        Calendars.CONTENT_URI, 
        new String[]{Calendars._ID, Calendars.CALENDAR_DISPLAY_NAME, Calendars.CALENDAR_TIME_ZONE}, 
        null, 
        null,
        null);
    SimpleCursorAdapter adapter = new SimpleCursorAdapter(
        this,
        android.R.layout.two_line_list_item,
        cursor,
        new String[]{Calendars.CALENDAR_DISPLAY_NAME, Calendars.CALENDAR_TIME_ZONE},
        new int[] {android.R.id.text1, android.R.id.text2}, 
	0);
    ListView listview = (ListView)findViewById(R.id.listview);
    listview.setAdapter(adapter);
  }
}