iOS 8 UITableView separator inset 0 not working

Question

I have an app where the UITableView\'s separator inset is set to custom values - Right 0, Left 0. This works perfectly in iOS 7.

Answer 1

After much investigation...

Here's the only way to fully control this stuff (that I could find)

To fully control both separator insets and layout margins on each cell. Do this in the willDisplayCell method on your UITableviewDelegate.

func tableView(tableView: UITableView, willDisplayCell cell: UITableViewCell, forRowAtIndexPath indexPath: NSIndexPath) {
    cell.layoutMargins = UIEdgeInsetsZero
    cell.contentView.layoutMargins = UIEdgeInsetsMake(0, 10, 0, 10)
    cell.separatorInset = UIEdgeInsetsMake(0, 0, 0, 0)
}

The cell object controls the separator, and the contentView controls everything else. If your separator inset spaces are showing up in an unexpected color this should solve it:

cell.backgroundColor = cell.contentView.backgroundColor