Scroll to the search bar when tapping the magnifying glass

gistfile1.m

- (NSInteger)tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index
{
    if (index == 0) {
        CGRect searchBarFrame = self.searchDisplayController.searchBar.frame;
        [tableView scrollRectToVisible:searchBarFrame animated:NO];
        return -1;
    }
    
    return index;
}