Banner ads

Swift

- (void)viewDidLoad {
  [super viewDidLoad];
  ...

  self.bannerView.adUnitID = @"/361045431/example/banner";
  self.bannerView.rootViewController = self;
}

Objective-C

- (void)viewDidLoad {
  [super viewDidLoad];
  ...

  self.bannerView.adUnitID = @"/361045431/example/banner";
  self.bannerView.rootViewController = self;
}