pollcell.swift

class PollCell: UITableViewCell {
  var header: HeaderView!
  var pollContent: PollMultipleChoicesView!
  
  override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
    super.init(style: style, reuseIdentifier: reuseIdentifier)
    backgroundColor = UIColor.lightGray
    header = HeaderView()
    contentView.addSubview(header)
    header.snp.makeConstraints { (make) in
      make.top.equalTo(0)
      make.left.equalTo(0)
      make.right.equalTo(0)
    }
    
    pollContent = PollMultipleChoicesView()
    contentView.addSubview(pollContent)
    pollContent.snp.makeConstraints { (make) in
      make.top.equalTo(header.snp.bottom)
      make.left.equalTo(0)
      make.right.equalTo(0)
      make.bottom.equalTo(0)
    }
  }
  
  required init?(coder aDecoder: NSCoder) {
    fatalError("init(coder:) has not been implemented")
  }
}

class Table: UITableViewController {
  override func viewDidLoad() {
    tableView.estimatedRowHeight = 100
    tableView.rowHeight = UITableViewAutomaticDimension
    tableView.translatesAutoresizingMaskIntoConstraints = false
  }
  
  override func tableView(_ tableView: UITableView, 
    numberOfRowsInSection section: Int) -> Int {
    return 1
  }
  
  override func tableView(_ tableView: UITableView, 
    cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    return PollCell(style: .default, reuseIdentifier: nil)
  }
}

let tableVC = Table(style: .plain)
PlaygroundPage.current.liveView = tableVC.view