第一步導入 iAd.framework

#import "ViewController.h"
            #import <iAd/iAd.h>
            //遵守協議
            @interface ViewController ()<ADBannerViewDelegate>
            //廣告的View
            @property (weak, nonatomic) IBOutlet ADBannerView *bannerView;
            //約束 加載完成改變
            @property (weak, nonatomic) IBOutlet NSLayoutConstraint *cons;

            @end

            @implementation ViewController

            - (void)viewDidLoad {
                [super viewDidLoad];

                self.bannerView.delegate = self;

            }
            //加載完廣告會調用
            - (void)bannerViewDidLoadAd:(ADBannerView *)banner
            {
                self.cons.constant = 8;

                [UIView animateWithDuration:2.0 animations:^{

                    [self.view layoutIfNeeded];

                }];
                NSLog(@"加載完畢");
            }

            @end