📒The Google Mobile Ads SDK was initialized without AppMeasurement

/// Tells the delegate that an ad request successfully received an ad. The delegate may want to add
/// the banner view to the view hierarchy if it hasn't been added yet.
- (void)bannerViewDidReceiveAd:(nonnull GADBannerView *)bannerView;
 
/// Tells the delegate that an ad request failed. The failure is normally due to network
/// connectivity or ad availablility (i.e., no fill).
- (void)bannerView:(nonnull GADBannerView *)bannerView
    didFailToReceiveAdWithError:(nonnull NSError *)error;
 
/// Tells the delegate that an impression has been recorded for an ad.
- (void)bannerViewDidRecordImpression:(nonnull GADBannerView *)bannerView;

- (BOOL)needShowFullAd {
  NSDate *now = [NSDate date];
  NSTimeInterval timeIntervalBetweenNowAndLoadTime = [now timeIntervalSinceDate:self.loadTime];
  double secondsPerHour = 60 * 20;
  double intervalInHours = timeIntervalBetweenNowAndLoadTime / secondsPerHour;
  return intervalInHours < n;
}
 
- (void)requestAppOpenAd {
  self.appOpenAd = nil;
     
    NSString *unitId = @"ca-app-pub-xxxxxxxxxxxxxxxxxxx";
#ifdef DEBUG
    unitId = @"ca-app-pub-3940256099942544/5662855259";
#endif
  [GADAppOpenAd loadWithAdUnitID:unitId
                         request:[GADRequest request]
                     orientation:UIInterfaceOrientationPortrait
               completionHandler:^(GADAppOpenAd *_Nullable appOpenAd, NSError *_Nullable error) {
                 if (error) {
                   NSLog(@"Failed to load app open ad: %@", error);
                   return;
                 }
                 self.appOpenAd = appOpenAd;
                 self.appOpenAd.fullScreenContentDelegate = self;
                 self.loadTime = [NSDate date];
               }];
}
 
#pragma mark - GADFullScreenContentDelegate
 
/// Tells the delegate that the ad failed to present full screen content.
- (void)ad:(nonnull id<GADFullScreenPresentingAd>)ad
    didFailToPresentFullScreenContentWithError:(nonnull NSError *)error {
  NSLog(@"didFailToPresentFullSCreenCContentWithError");
  [self requestAppOpenAd];
 
}
 
/// Tells the delegate that the ad presented full screen content.
- (void)adDidPresentFullScreenContent:(nonnull id<GADFullScreenPresentingAd>)ad {
  NSLog(@"adDidPresentFullScreenContent");
}
 
/// Tells the delegate that the ad dismissed full screen content.
- (void)adDidDismissFullScreenContent:(nonnull id<GADFullScreenPresentingAd>)ad {
  NSLog(@"adDidDismissFullScreenContent");
  [self requestAppOpenAd];
}
 
- (void)tryToPresentAd {
  GADAppOpenAd *ad = self.appOpenAd;
  self.appOpenAd = nil;
  if (ad &amp;&amp; [self needShowFullAd]) {
      UIViewController *rootController = self.window.rootViewController;
      [ad presentFromRootViewController:rootController];
 
  } else {
    // If you don't have an ad ready, request one.
      [self requestAppOpenAd];
  }
}