展示系统定义的原生广告格式
加载原生广告后,您的应用会通过
GADAdLoaderDelegate
协议消息。然后,您的应用将负责
展示广告(但不一定要立即执行此操作)。
为了更轻松地展示系统定义的广告格式,SDK 提供了一些实用功能,
资源。
GADNativeAdView
对于GADNativeAd
,有相应的“广告视图”
类:
GADNativeAdView
。
此广告视图类是 UIView
,供发布商用来展示广告。
例如,单个 GADNativeAdView
可以显示
一个 GADNativeAd
。用于展示该广告内容的每个 UIView
对象
资源应该是该 GADNativeAdView
对象的子视图。
例如,如果您在 UITableView
中展示广告,
其中一个单元格的视图层次结构可能如下所示:
GADNativeAdView
类还提供了 IBOutlets
用于注册
每个资产使用的视图,以及一个用于注册
GADNativeAd
对象本身。以这种方式注册视图可让 SDK 自动
处理以下任务:
- 记录点击。
- 记录展示次数(当第一个像素出现在屏幕上时)。
- 显示“广告选择”叠加层。
“广告选择”叠加层
对于间接销售的原生广告(通过 Ad Manager 投放) 投放补余广告,或者通过 Ad Exchange 或 AdSense 投放)广告, 。 按您的首选语言留下空间 角 自动插入“广告选择”徽标的原生广告视图。此外, 确保将“广告选择”叠加层放置在允许显示图标的内容上 。 有关叠加层外观和功能的详情,请参见 程序化原生广告植入指南。
程序化原生广告的广告标示
在展示程序化原生广告时,您必须展示广告标示 指明该视图是一个通告。 有关详情,请参阅我们的政策指南。代码示例
让我们来看看如何使用动态加载的视图展示原生广告
。在使用 GADAdLoaders
时,这可能是一种非常有用的方法
配置为请求多种格式
布置 UIView
第一步是布置展示原生广告素材资源的 UIViews
。
您可以在 Interface Builder 中执行此操作,就像创建其他任何
xib 文件中。下面介绍了
广告的呈现效果:
请注意图片右上角的自定义类值。它设置为
GADNativeAdView
。
这是用于显示 GADNativeAd
的广告视图类。
您还需要为 GADMediaView
设置自定义类,
来展示广告的视频或图片。
将输出口与视图相关联
创建好视图,并将正确的广告视图类分配给
在布局中,将广告视图的素材资源输出口与您创建的 UIViews
相关联。
以下是将广告视图的素材资源输出口与创建的 UIViews
相关联的方法
:
在插座面板中,GADNativeAdView
中的插座已关联到
Interface Builder 中提供的 UIViews
。这样,
SDK 知道哪个 UIView
显示了哪个素材资源。
另外还需要注意的是,这些输出口代表
可以点击广告。
展示广告
在完成布局并且关联插座后,添加以下代码 在加载后展示广告的应用:
Swift
// Mark: - GADNativeAdLoaderDelegate
func adLoader(_ adLoader: GADAdLoader, didReceive nativeAd: GADNativeAd) {
print("Received native ad: \(nativeAd)")
refreshAdButton.isEnabled = true
// Create and place ad in view hierarchy.
let nibView = Bundle.main.loadNibNamed("NativeAdView", owner: nil, options: nil)?.first
guard let nativeAdView = nibView as? GADNativeAdView else {
return
}
setAdView(nativeAdView)
// Set ourselves as the native ad delegate to be notified of native ad events.
nativeAd.delegate = self
// Populate the native ad view with the native ad assets.
// The headline and mediaContent are guaranteed to be present in every native ad.
(nativeAdView.headlineView as? UILabel)?.text = nativeAd.headline
nativeAdView.mediaView?.mediaContent = nativeAd.mediaContent
// This app uses a fixed width for the GADMediaView and changes its height to match the aspect
// ratio of the media it displays.
if let mediaView = nativeAdView.mediaView, nativeAd.mediaContent.aspectRatio > 0 {
let heightConstraint = NSLayoutConstraint(
item: mediaView,
attribute: .height,
relatedBy: .equal,
toItem: mediaView,
attribute: .width,
multiplier: CGFloat(1 / nativeAd.mediaContent.aspectRatio),
constant: 0)
heightConstraint.isActive = true
}
// These assets are not guaranteed to be present. Check that they are before
// showing or hiding them.
(nativeAdView.bodyView as? UILabel)?.text = nativeAd.body
nativeAdView.bodyView?.isHidden = nativeAd.body == nil
(nativeAdView.callToActionView as? UIButton)?.setTitle(nativeAd.callToAction, for: .normal)
nativeAdView.callToActionView?.isHidden = nativeAd.callToAction == nil
(nativeAdView.iconView as? UIImageView)?.image = nativeAd.icon?.image
nativeAdView.iconView?.isHidden = nativeAd.icon == nil
(nativeAdView.starRatingView as? UIImageView)?.image = imageOfStars(
fromStarRating: nativeAd.starRating)
nativeAdView.starRatingView?.isHidden = nativeAd.starRating == nil
(nativeAdView.storeView as? UILabel)?.text = nativeAd.store
nativeAdView.storeView?.isHidden = nativeAd.store == nil
(nativeAdView.priceView as? UILabel)?.text = nativeAd.price
nativeAdView.priceView?.isHidden = nativeAd.price == nil
(nativeAdView.advertiserView as? UILabel)?.text = nativeAd.advertiser
nativeAdView.advertiserView?.isHidden = nativeAd.advertiser == nil
// For the SDK to process touch events properly, user interaction should be disabled.
nativeAdView.callToActionView?.isUserInteractionEnabled = false
// Associate the native ad view with the native ad object. This is
// required to make the ad clickable.
// Note: this should always be done after populating the ad views.
nativeAdView.nativeAd = nativeAd
}
SwiftUI
创建视图模型
创建一个视图模型,用于加载原生广告并发布原生广告数据 更改:
import GoogleMobileAds
class NativeAdViewModel: NSObject, ObservableObject, GADNativeAdLoaderDelegate {
@Published var nativeAd: GADNativeAd?
private var adLoader: GADAdLoader!
func refreshAd() {
adLoader = GADAdLoader(
adUnitID: "ca-app-pub-3940256099942544/3986624511",
// The UIViewController parameter is optional.
rootViewController: nil,
adTypes: [.native], options: nil)
adLoader.delegate = self
adLoader.load(GADRequest())
}
func adLoader(_ adLoader: GADAdLoader, didReceive nativeAd: GADNativeAd) {
// Native ad data changes are published to its subscribers.
self.nativeAd = nativeAd
nativeAd.delegate = self
}
func adLoader(_ adLoader: GADAdLoader, didFailToReceiveAdWithError error: Error) {
print("\(adLoader) failed with error: \(error.localizedDescription)")
}
}
创建 UIViewRepresentable
创建
UIViewRepresentable
GADNativeView
,并订阅ViewModel
类:
private struct NativeAdView: UIViewRepresentable {
typealias UIViewType = GADNativeAdView
// Observer to update the UIView when the native ad value changes.
@ObservedObject var nativeViewModel: NativeAdViewModel
func makeUIView(context: Context) -> GADNativeAdView {
return
Bundle.main.loadNibNamed(
"NativeAdView",
owner: nil,
options: nil)?.first as! GADNativeAdView
}
func updateUIView(_ nativeAdView: GADNativeAdView, context: Context) {
guard let nativeAd = nativeViewModel.nativeAd else { return }
// Each UI property is configurable using your native ad.
(nativeAdView.headlineView as? UILabel)?.text = nativeAd.headline
nativeAdView.mediaView?.mediaContent = nativeAd.mediaContent
(nativeAdView.bodyView as? UILabel)?.text = nativeAd.body
(nativeAdView.iconView as? UIImageView)?.image = nativeAd.icon?.image
(nativeAdView.starRatingView as? UIImageView)?.image = imageOfStars(from: nativeAd.starRating)
(nativeAdView.storeView as? UILabel)?.text = nativeAd.store
(nativeAdView.priceView as? UILabel)?.text = nativeAd.price
(nativeAdView.advertiserView as? UILabel)?.text = nativeAd.advertiser
(nativeAdView.callToActionView as? UIButton)?.setTitle(nativeAd.callToAction, for: .normal)
// For the SDK to process touch events properly, user interaction should be disabled.
nativeAdView.callToActionView?.isUserInteractionEnabled = false
// Associate the native ad view with the native ad object. This is required to make the ad
// clickable.
// Note: this should always be done after populating the ad views.
nativeAdView.nativeAd = nativeAd
}
将视图添加到视图层次结构中
以下代码演示了如何将 UIViewRepresentable
添加到视图中
层次结构:
struct NativeContentView: View {
// Single source of truth for the native ad data.
@StateObject private var nativeViewModel = NativeAdViewModel()
var body: some View {
ScrollView {
VStack(spacing: 20) {
NativeAdView(nativeViewModel: nativeViewModel) // Updates when the native ad data changes.
.frame(minHeight: 300) // minHeight determined from xib.
Objective-C
#pragma mark GADNativeAdLoaderDelegate implementation
- (void)adLoader:(GADAdLoader *)adLoader didReceiveNativeAd:(GADNativeAd *)nativeAd {
NSLog(@"Received native ad: %@", nativeAd);
self.refreshButton.enabled = YES;
// Create and place ad in view hierarchy.
GADNativeAdView *nativeAdView =
[[NSBundle mainBundle] loadNibNamed:@"NativeAdView" owner:nil options:nil].firstObject;
[self setAdView:nativeAdView];
// Set the mediaContent on the GADMediaView to populate it with available
// video/image asset.
nativeAdView.mediaView.mediaContent = nativeAd.mediaContent;
// Populate the native ad view with the native ad assets.
// The headline is present in every native ad.
((UILabel *)nativeAdView.headlineView).text = nativeAd.headline;
// These assets are not guaranteed to be present. Check that they are before
// showing or hiding them.
((UILabel *)nativeAdView.bodyView).text = nativeAd.body;
nativeAdView.bodyView.hidden = nativeAd.body ? NO : YES;
[((UIButton *)nativeAdView.callToActionView)setTitle:nativeAd.callToAction
forState:UIControlStateNormal];
nativeAdView.callToActionView.hidden = nativeAd.callToAction ? NO : YES;
((UIImageView *)nativeAdView.iconView).image = nativeAd.icon.image;
nativeAdView.iconView.hidden = nativeAd.icon ? NO : YES;
((UIImageView *)nativeAdView.starRatingView).image = [self imageForStars:nativeAd.starRating];
nativeAdView.starRatingView.hidden = nativeAd.starRating ? NO : YES;
((UILabel *)nativeAdView.storeView).text = nativeAd.store;
nativeAdView.storeView.hidden = nativeAd.store ? NO : YES;
((UILabel *)nativeAdView.priceView).text = nativeAd.price;
nativeAdView.priceView.hidden = nativeAd.price ? NO : YES;
((UILabel *)nativeAdView.advertiserView).text = nativeAd.advertiser;
nativeAdView.advertiserView.hidden = nativeAd.advertiser ? NO : YES;
// In order for the SDK to process touch events properly, user interaction
// should be disabled.
nativeAdView.callToActionView.userInteractionEnabled = NO;
// Associate the native ad view with the native ad object. This is
// required to make the ad clickable.
nativeAdView.nativeAd = nativeAd;
}
GitHub 上的完整示例
查看在 Swift、SwiftUI 和 访问相应的 GitHub 链接,获取 Objective-C。
Swift 自定义呈现示例 SwiftUI 原生广告示例 Objective-C 自定义渲染示例
GADMediaView
图片和视频素材资源通过
GADMediaView
。
这是一个可在 xib 文件中定义或动态构建的 UIView
。
它应放在 GADNativeAdView
的视图层次结构中,如同
任何其他素材资源视图
与所有素材资源视图一样,媒体视图也需要有内容
填充。您可以使用
mediaContent
属性位于 GADMediaView
上。通过
mediaContent
属性
GADNativeAd
包含可传递到
GADMediaView
。
以下是来自
自定义呈现示例
(Swift
|Objective-C)
显示如何使用 GADMediaView
来自GADNativeAd
的GADMediaContent
:
Swift
nativeAdView.mediaView?.mediaContent = nativeAd.mediaContent
Objective-C
nativeAdView.mediaView.mediaContent = nativeAd.mediaContent;
在原生广告视图的 Interface Builder 文件中,
视图自定义类设置为 GADMediaView
,且您已将其连接到
mediaView
插座。
更改图片内容模式
GADMediaView
类遵循 UIView
contentMode
属性。如果您想要更改图片的缩放方式
GADMediaView
,请设置相应的
UIViewContentMode
来实现此目的。contentMode
GADMediaView
例如,要在图片显示时填充 GADMediaView
(广告中没有
视频):
Swift
nativeAdView.mediaView?.contentMode = .aspectFill
Objective-C
nativeAdView.mediaView.contentMode = UIViewContentModeAspectFill;
GADMediaContent
GADMediaContent
类包含与原生广告的媒体内容相关的数据,媒体内容是
使用 GADMediaView
类显示。在 GADMediaView
上设置时
mediaContent
属性:
如果有视频素材资源可用,则系统会对其进行缓冲,并开始在
GADMediaView
。您可以通过查看hasVideoContent
。如果广告不包含视频素材资源,则会下载
mainImage
素材资源 并改为放置在GADMediaView
内。
后续步骤
详细了解用户隐私。