Select first UITextField or UITextView of a UITableViewCell

focus_cell.m

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
    NSArray *subviews = [cell.contentView subviews];
    
    for(UIView *subview in subviews) {
        if([subview isKindOfClass:[UITextField class]] || [subview isKindOfClass:[UITextView class]]) {
            [subview becomeFirstResponder];
            break;
        }
    }
}