下载映像后调整表格单元格大小

Question

I am using SDWebImage library to download image and load into image view inside a table cell.

I want to resize the table cell after the image is downloaded. Please advice. Many thanks.

Cell is not resize correctly after image set into image view

Cell resize correctly after dequeue and load again

func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {

    let cell = tableView.dequeueReusableCellWithIdentifier(GagListTableViewCell.cellId, forIndexPath: indexPath) as! GagListTableViewCell
    cell.layoutMargins = UIEdgeInsetsZero
    let gagDataCommand = gagDataSource[indexPath.row]

    if let caption = gagDataCommand.caption {
        cell.captionLabel.text = caption
    }

    if let imageUrlStr = gagDataCommand.images?.normal {
        if let imageUrl = NSURL(string: imageUrlStr) {                
            cell.gagImage.sd_setImageWithURL(imageUrl, placeholderImage: UIImage(named: AppConstants.imagePlaceHolderName), completed: { (image, error, cacheType, url) in
                 //guess I need to redraw the layout here
            })
        } else {
            //fail to get image url, set placeholder image to the cell instead
            cell.gagImage.image = UIImage(named: AppConstants.imagePlaceHolderName)
        }
    }

    return cell
}

Answer 1

您可以为表格单元格使用自动尺寸。

tableView.rowHeight = UITableViewAutomaticDimension