“This application is modifying the autolayout engine from a background thread”
问题 I am having an error of: This application is modifying the autolayout engine from a background thread, which can lead to engine corruption and weird crashes whenever I try to load an image view into a table view. The relevant code is as follows: override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { let cellIdentifier = "ArticleCell" let cell = tableView.dequeueReusableCellWithIdentifier(cellIdentifier, forIndexPath: indexPath) as!