tvOS Settings-style table view cell

SettingCell.swift

class SettingCell: UITableViewCell {
    
    @IBOutlet var customTextLabel: UILabel!
    @IBOutlet var customDetailTextLabel: UILabel!
    
    private let unfocusedBackgroundColor: UIColor? = UIColor(white: 1, alpha: 0.2)
    
    override func awakeFromNib() {
        super.awakeFromNib()
        backgroundColor = unfocusedBackgroundColor
        layer.cornerRadius = 5
        layer.masksToBounds = true
    }
    
    override func didUpdateFocusInContext(context: UIFocusUpdateContext, withAnimationCoordinator coordinator: UIFocusAnimationCoordinator) {
        super.didUpdateFocusInContext(context, withAnimationCoordinator: coordinator)
        coordinator.addCoordinatedAnimations({
            self.backgroundColor = self.focused ? UIColor.clearColor() : self.unfocusedBackgroundColor
            self.layer.masksToBounds = !self.focused
            }, completion: nil)
    }
}