Multiple Row Selection in UIPickerView

multipleRows.mm

- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view {
    UITableViewCell *cell = (UITableViewCell *)view;
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:nil];
        [cell setBackgroundColor:[UIColor clearColor]];
        [cell setBounds:CGRectMake(0, 0, cell.frame.size.width - 20, 44)];
        cell.tab = row UITapGestureRecognizer * singleTapGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(toggleSelection:)];
        singleTapGestureRecognizer.numberOfTapsRequired = 1;
        [cell addGestureRecognizer:singleTapGestureRecognizer];
    }
    if ([selectedItems indexOfObject:[NSNumber numberWithInt:row]] != NSNotFound) {
        [cell setAccessoryType:UITableViewCellAccessoryCheckmark];
    } else { [cell setAccessoryType:UITableViewCellAccessoryNone];
    } cell.textLabel.text = [datasource objectAtIndex:row];
    return cell;
}


- (void)toggleSelection:(UITapGestureRecognizer *)recognizer {
    NSNumber *row = [NSNumber numberWithInt:recognizer.view.tag];
    NSUInteger index = [selectedItems indexOfObject:row];
    if (index != NSNotFound) {
        [selectedItems removeObjectAtIndex:index];
        [(UITableViewCell *)(recognizer.view) setAccessoryType:UITableViewCellAccessoryNone];
    } else { [selectedItems addObject:row];
             [(UITableViewCell *)(recognizer.view) setAccessoryType:UITableViewCellAccessoryCheckmark];
    }
}

@08irfan sure! What is your question?

Thanks for your response :) Got understanding of the issue already. Regards

…

On Thu, Jun 13, 2019 at 4:15 PM Wojtek Siudzinski ***@***.***> wrote: @08irfan <https://github.com/08irfan> sure! What is your question? — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <https://gist.github.com/4722708?email_source=notifications&email_token=ABPEIWN5AHLCZ3DXQGASX5LP2IT5RA5CNFSM4HXTRA3KYY3PNVWWK3TUL52HS4DFVNDWS43UINXW23LFNZ2KUY3PNVWWK3TUL5UWJTQAFTTIE#gistcomment-2942594>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ABPEIWML64WXTBN7CD2A34LP2IT5RANCNFSM4HXTRA3A> .

-- *Muhammad Irfan* Virtual Proz +92332-6990646 Skype: mirfan191 <http://www.facebook.com/irfan191> <http://www.linkedin.com/in/muhammad-irfan-85958745>

Thanks @suda for the reply.
issue resolved already :)