Question

我目前正在开发一个Spritekit项目。

我有3个场景：MainMenu，Game，Gameover

我希望只有当用户在游戏场景和Gameover场景时才会有iAd节目。

这是我在ViewController.m中的iAd的当前代码：

- (void) viewWillLayoutSubviews
{

        // For iAds
        _bannerView = [[ADBannerView alloc] initWithAdType:ADAdTypeBanner];
        _bannerView.frame = CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height);
        _bannerView.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth;
        _bannerView.delegate = self;
        _bannerView.hidden = YES;
        [self.view addSubview:_bannerView];
}

#pragma mark - iAds delegate methods
    - (void)bannerViewDidLoadAd:(ADBannerView *)banner {
        // Occurs when an ad loads successfully
        _bannerView.hidden = NO;
    }

    - (void)bannerView:(ADBannerView *)banner didFailToReceiveAdWithError:(NSError *)error {
        // Occurs when an ad fails to load
        _bannerView.hidden = YES;
    }

    - (BOOL)bannerViewActionShouldBegin:(ADBannerView *)banner willLeaveApplication:(BOOL)willLeave {
        // Occurs when the user taps on ad and opens it


        return YES;
    }

    - (void)bannerViewActionDidFinish:(ADBannerView *)banner {
        // Occurs when the ad finishes full screen
    }

问题是，由于MainMenu场景是第一个要显示的场景，因此横幅会在成功加载广告时显示。如何仅在用户处于游戏场景和Gameover场景时才显示？

Answer 1

这里最好的方法是使用NSNotificationCenter:

在您的(void) viewWillLayoutSubviews

中注册通知

 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleNotification:) name:@"hideAd" object:nil];
 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleNotification:) name:@"showAd" object:nil];

并在此处理通知

- (void)handleNotification:(NSNotification *)notification
 { 
    if ([notification.name isEqualToString:@"hideAd"])
        {
             // hide your banner;
    }else if ([notification.name isEqualToString:@"showAd"]) 
        {
             // show your banner
    }
 }

在你的风景中

[[NSNotificationCenter defaultCenter] postNotificationName:@"showAd" object:nil]; //Sends message to viewcontroller to show ad.

 [[NSNotificationCenter defaultCenter] postNotificationName:@"hideAd" object:nil]; //Sends message to viewcontroller to hide ad.

谢谢，祝你好运。

Spritekit - 如何在特定场景中隐藏iAd横幅？

1 个答案: