Question

guys, I have UITableView with some images, which are loading from internet. Images is very little, but my tableview isn’t work perfect.
My code:

static NSString *CellIdentifier = @"Cell";
        TDBadgedCell *cell = [[[TDBadgedCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
        cell.badgeColor = [UIColor colorWithRed:((float)128 / 255.0f) green:((float)161 / 255.0f) blue:((float)176 / 255.0f) alpha:1];
        NSDictionary *dict = nil;
        if (searching == NO) {
            dict = [companies objectAtIndex:indexPath.row];
        } else {
            dict = [copyListOfItems objectAtIndex:indexPath.row];
        }
        cell.badgeString = [NSString stringWithFormat:@"%@",[dict objectForKey:@"rating"]];
        cell.textLabel.numberOfLines = 2;
        cell.textLabel.text = [dict objectForKey:@"title"];
        cell.textLabel.textColor = [UIColor colorWithRed:((float)80 / 255.0f) green:((float)80 / 255.0f) blue:((float)80 / 255.0f) alpha:1];
        cell.textLabel.font = [UIFont fontWithName:@"Verdana" size:17.0];
        UIImage *img = [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:[dict objectForKey:@"image"]]]] scaleToFitSize:CGSizeMake(16, 16)];
        cell.imageView.image = img;

        [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
        return cell;

TDBadgedCell can’t be reason, because without images it works perfect.
I’m using open sourse classes to resize UIImage. You can found it here.

Have you any ideas?

Answer 1

I have posted code that shows you to deal with this. We have a class MyImageDownloader that downloads an image on request and posts a notification when it arrives:

https://github.com/mattneub/Programming-iOS-4-Book-Examples/blob/master/p754p772downloader/p754downloader/MyImageDownloader.m

The table view data source supplies a placeholder if a MyImageDownloader has no image, and supplies the image if it has one:

https://github.com/mattneub/Programming-iOS-4-Book-Examples/blob/master/p754p772downloader/p754downloader/RootViewController.m

Thus, all we have to do is reload the table when an image arrives. m.