UITableView and Selecting Items

问题:

I am currently creating a simple grouped UITableView that when the user selects for example "Apple" I would like a image I have in my project to be loaded into a Image View of a Apple.

I have seen some examples on the internet but I am trying to see what else is out there.

Any suggestions would be greatly appreciated. Thanks.

回答1:

Either set the cell.imageView.highlightedImage, or in the didSelectRowAtIndexPath method, change the cell.imageView.image from nil to some [UIImage imageNamed:@"myImage.png"]:

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    static NSString *kCustomCellID = @"com.me.foo.cell";
    UITableViewCell *cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:kCustomCellID] autorelease];
    cell.textLabel.highlightedTextColor = [UIColor blueColor];
    cell.imageView.image = nil;
    cell.imageView.highlightedImage = [UIImage imageNamed:@"myImage.png"];
    return cell;
}

- (void)tableView:(UITableView *)tableView willDisplayCell:(iPadRootViewControllerTableCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {
    cell.imageView.contentMode = UIViewContentModeScaleAspectFit;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    // Do this if you didnt set the highlightedImage in cellForRowAtIndexPath
    // [self tableView:tableView cellForRowAtIndexPath:indexPath].imageView.image = [UIImage imageNamed:@"myApple.png"];
}