What's the UITableView index magnifying glass character?

Question

In Apple\'s iPhone apps (like Contacts), they have a nice magnifying glass icon at the top of the table view index. Since the table view index API is character-based, I assu

Answer 1

In tableView:sectionForSectionIndexTitle:AtIndex: explicitly scroll to the top and return NSNotFound:

- (NSInteger) tableView:(UITableView *)tableView
sectionForSectionIndexTitle:(NSString *)title
                atIndex:(NSInteger)index {
    if (index == 0) {
        [tableView setContentOffset:CGPointZero animated:NO];
        return NSNotFound;
    }
    return index;
}