Example code for WorldClock.query(ContentResolver cr, String[] projection)

gistfile1.java

// Set this to null to get all Column.
String[] projections = new String [] {
    WorldClock.Columns.CITY_UID,
    WorldClock.Columns.NAME,
    WorldClock.Columns.LONGITUDE,
    WorldClock.Columns.TIMEZONE
};
 
Cursor cur = WorldClock.query(getContext().getContentResolver(),
                              projections
                             );

while (cur.moveToNext()) {
    for (int i = 0; i <cur.getColumnCount(); i++) {
        WorldClock.Location wcl = WorldClock.getLocationFromCursor(cur);

        // Do something useful with the ID and NAME of the calendars.
    }
}