MoPub iOS sdk with Swift

AdTableViewCell.swift

import UIKit

class AdTableViewCell: UITableViewCell {
  
  // MARK: Subviews
  
  // Add subviews and constraints...
  
}

extension AdTableViewCell: MPNativeAdRendering {
  
  static func sizeWithMaximumWidth(maximumWidth: CGFloat) -> CGSize {
      return CGSize(width: maximumWidth, height: 280)
  }
  
  func layoutAdAssets(adObject: MPNativeAd!) {
    adObject.loadIconIntoImageView(iconImageView)
    adObject.loadTitleIntoLabel(titleLabel)
    adObject.loadCallToActionTextIntoButton(callToActionButton)
    adObject.loadImageIntoImageView(mainImageView)
    adObject.loadTextIntoLabel(mainTextLabel)
  }
}

TableViewController.swift

import UIKit
import MoPub

class TableViewController: UIViewController {
  
  // MARK: Data
  
  var items: [Item]! {
    didSet {
      tableView.mp_reloadData()
    }
  }
  
  // MARK: Subviews
  
  var tableView: UITableView!
  
  // MARK: AdPlacer
  
  var placer: MPTableViewAdPlacer!
  
  // MARK: UIViewController
  
  overrider viewDidLoad() {
    tableView = UITableView(frame: view.bounds)
    view.addSubview(tableView)
    
    tableView.mp_setDataSource(self)
    tableView.mp_setDelegate(self)
    
    setPlacer()
  }
  
  private func setPlacer() {
    let positioning = MPServerAdPositioning()
    // Set up your preferred ad positioning in the MoPub UI in the ad unit settings page.
    
    // This is a sample ad unit ID configured to place ads at cell positions 2, 10, and every
    // 10th position afterwards. You should replace this with your own ad unit ID from the
    // MoPub website.
    let sampleAdUnitID = "76a3fefaced247959582d2d2df6f4757"
    
    var targeting: MPNativeAdRequestTargeting! = MPNativeAdRequestTargeting()
    targeting.desiredAssets = NSSet(objects: kAdIconImageKey, kAdMainImageKey, kAdCTATextKey, kAdTextKey, kAdTitleKey) as Set<NSObject>
    
    // Creates a table view ad placer that uses a sample cell for its layout.
    // Replace the defaultAdRenderingClass with your own subclass that implements MPAdRendering.
    placer = MPTableViewAdPlacer(tableView: tableView, viewController: self, defaultAdRenderingClass: AdTableViewCell.self)
    
    placer.loadAdsForAdUnitID(sampleAdUnitID, targeting: targeting)
  }
}

extension TableViewController: UITableViewDataSource {
  func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return items.count
  }
  
  func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
    let cell = tableView.mp_dequeueReusableCellWithIdentifier(reuseIdentifier, forIndexPath: indexPath) as! TableViewCellitems[indexPath.row]

    cell.item = items[indexPath.row]
    
    return cell
  }
}