Table View Insets

MyViewController.swift

import UIKit
import PlaygroundSupport

class MyViewController: UIViewController {

  let tableView: UITableView

  init() {
    tableView = UITableView()
    super.init(nibName: nil, bundle: nil)
    setup()
  }
  
  required init?(coder aDecoder: NSCoder) {
    fatalError("init(coder:) has not been implemented")
  }

  override func viewDidLayoutSubviews() {
    super.viewDidLayoutSubviews()
    tableView.contentInset = UIEdgeInsets(top: 0, left: 20, bottom: 0, right: 20)
  }

  override func viewDidLoad() {
    super.viewDidLoad()
    automaticallyAdjustsScrollViewInsets = false
  }

  private func setup() {
    tableView.delegate = self
    tableView.dataSource = self
    view.backgroundColor = .white
    view.addSubview(tableView)

    tableView.translatesAutoresizingMaskIntoConstraints = false
    tableView.leftAnchor.constraint(equalTo: view.leftAnchor).isActive = true
    tableView.rightAnchor.constraint(equalTo: view.rightAnchor).isActive = true
    tableView.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
    tableView.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
  }

}

extension MyViewController: UITableViewDelegate {

}

extension MyViewController: UITableViewDataSource {
  func numberOfSections(in tableView: UITableView) -> Int {
    return 1
  }

  func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return 10
  }

  func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    return UITableViewCell()
  }
}

let vc = MyViewController()

PlaygroundPage.current.liveView = vc