当我的应用程序第一次启动时，iAd拒绝在第一个屏幕上加载广告

当我的应用程序启动时，iAd拒绝在第一个屏幕上加载广告。没有错误信息，没有。如果我切换屏幕（转到另一个屏幕），即使我回到第一个屏幕，它也会开始获取广告并提供服务。当我的应用程序第一次启动时，iAd拒绝在第一个屏幕上加载广告

我正在使用ApplicationDelegate中的一个iAd实例。我试图在viewDidAppear中链接iAdBanner，并在viewWillDisappear中取消链接。

的viewDidAppear方法：

- (void)viewDidAppear:(BOOL)animated 
{ 
    NSLog(@"view did appear"); 
    [super viewDidAppear:animated]; 

    ADBannerView *adBanner = SharedAdBannerView; 

    adBanner.requiredContentSizeIdentifiers = (&ADBannerContentSizeIdentifierPortrait != nil) ? 
    [NSSet setWithObjects:ADBannerContentSizeIdentifierPortrait, ADBannerContentSizeIdentifierLandscape, nil] : 
    [NSSet setWithObjects:ADBannerContentSizeIdentifier320x50, ADBannerContentSizeIdentifier480x32, nil]; 


    [self.view addSubview:adBanner]; 
    // set the delegate to self, so that we are notified of ad responses 
    [adBanner setDelegate:self]; 
    isAdShown = [adBanner isBannerLoaded]; 
    [self layoutForCurrentOrientation:animated]; 
}

布局方法：

- (void)layoutForCurrentOrientation:(BOOL)animated 
{ 
    //TODO: this only handles bottom-located elements 


    ADBannerView *adBanner = SharedAdBannerView; 

    CGFloat animationDuration = animated ? 0.2f : 0.0f; 
    // by default content consumes the entire view area 
    CGRect contentFrame = contentView.bounds; 
    CGRect owningViewFrame = [self view].bounds; 
    // the banner still needs to be adjusted further, but this is a reasonable starting point 
    // the y value will need to be adjusted by the banner height to get the final position 
    CGPoint bannerOrigin = CGPointMake(CGRectGetMinX(owningViewFrame), CGRectGetMaxY(owningViewFrame)); 
    CGFloat bannerHeight = 0.0f; 

    // First, setup the banner's content size and adjustment based on the current orientation 
    if(UIInterfaceOrientationIsLandscape(self.interfaceOrientation)) 
     adBanner.currentContentSizeIdentifier = (&ADBannerContentSizeIdentifierLandscape != nil) ? ADBannerContentSizeIdentifierLandscape : ADBannerContentSizeIdentifier480x32; 
    else 
     adBanner.currentContentSizeIdentifier = (&ADBannerContentSizeIdentifierPortrait != nil) ? ADBannerContentSizeIdentifierPortrait : ADBannerContentSizeIdentifier320x50; 
    bannerHeight = adBanner.bounds.size.height; 

    // Depending on if the banner has been loaded, we adjust the content frame and banner location 
    // to accomodate the ad being on or off screen. 
    // This layout is for an ad at the bottom of the view. 
    if (isAdShown) 
    { 
     NSLog(@"Banner is loaded"); 
     contentFrame.size.height = owningViewFrame.size.height - bannerHeight; 
     bannerOrigin.y -= bannerHeight; 
    } 
    else 
    { 
     NSLog(@"Banner is not loaded"); 
     bannerOrigin.y += bannerHeight; 
     contentFrame.size.height = owningViewFrame.size.height; 
    } 
    NSLog(@"Banner content Frame: (%f, %f), (%f, %f)", bannerOrigin.x, bannerOrigin.y, contentFrame.size.width, contentFrame.size.height); 
    // And finally animate the changes, running layout for the content view if required. 
    [UIView animateWithDuration:animationDuration 
        animations:^{ 
         contentView.frame = contentFrame; 
         [contentView layoutIfNeeded]; 
         adBanner.frame = CGRectMake(bannerOrigin.x, bannerOrigin.y, adBanner.frame.size.width, adBanner.frame.size.height); 
        }]; 
}

和viewWillDisappear方法：

-(void)viewWillDisappear:(BOOL)animated 
{ 
    NSLog(@"View will disappear"); 
    [super viewWillDisappear:animated]; 
    [self removeLinkToAdBanner:animated]; 
} 
-(void)removeLinkToAdBanner:(BOOL)animated 
{ 
    ADBannerView *adBanner = SharedAdBannerView; 
    if ([adBanner delegate] == self) { 
     adBanner.delegate = nil; 
     [adBanner removeFromSuperview]; 
    } 
}

真正的失望是这是在模拟器上工作，我之前升级到xcode 4.我升级了，突然它停止了工作。其他人看到过这样的行为？任何想法我可以做什么来解决它？行为发生在4.x（4.0到4.3）的所有测试版本上的模拟器中。

来源

2011-05-07 aperkins

我也许应该也注意到，我让它坐了几分钟，并没有看到在所有的iAd的委托任何电话，或到主视图任何变化，但此刻我去不同的观点，它开始正确工作。 – aperkins 2011-05-07 00:54:23

如何定义SharedAdBannerView？ – 2011-05-07 02:01:00

#define SharedAdBannerView（（VNApplicationDelegate *）[[UIApplication sharedApplication] delegate]）。adBanner其中VNApplicationDelegate是我的应用程序代理 – aperkins 2011-05-07 02:09:43

我遇到了同样的问题，修复方法是在AppDelegate的bannerViewDidLoadAd方法中。您需要在那里调用您的showBanner方法才能让广告最初显示。

- (void)bannerViewDidLoadAd:(ADBannerView *)banner 
{ 
    [_currentController showBannerView:_bannerView animated:YES]; 
}

请检查新的iAdSuite示例代码，我把它拿出来了。

iAdSuite Sample Code Updated 10/31/11

来源

2011-11-03 23:26:34

感谢您的信息 - 我会看看这个。 – aperkins 2011-11-04 01:33:47

当我的应用程序第一次启动时，iAd拒绝在第一个屏幕上加载广告

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