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插页式激励广告（Beta 版）

插页式激励广告是一种激励用户的广告格式，采用这种格式时，您可以通过在应用中的自然过渡点自动展示的广告向用户提供奖励。与激励广告不同，用户无需自行选择即可观看插页式激励广告。

前提条件

Google 移动广告 SDK 7.60.0 或更高版本。
完成入门指南。

实现

植入插页式激励广告的主要步骤如下所示：

加载广告
[可选] 验证 SSV 回调
注册回调
展示广告并处理奖励事件

加载广告

广告的加载是通过对 GADRewardedInterstitialAd 类使用 load(adUnitID:request) 方法完成的。

Swift

import GoogleMobileAds
import UIKit

class ViewController: UIViewController {

  private var rewardedInterstitialAd: GADRewardedInterstitialAd?

  override func viewDidLoad() {
    super.viewDidLoad()

    Task {
      do {
        rewardedInterstitialAd = try await GADRewardedInterstitialAd.load(
          withAdUnitID: "/21775744923/example/rewarded-interstitial", request: GAMRequest())
      } catch {
        print("Failed to load rewarded interstitial ad with error: \(error.localizedDescription)")
      }
    }
  }
}

SwiftUI

import GoogleMobileAds

class RewardedInterstitialViewModel: NSObject, ObservableObject,
  GADFullScreenContentDelegate
{
  @Published var coins = 0
  private var rewardedInterstitialAd: GADRewardedInterstitialAd?

  func loadAd() async {
    do {
      rewardedInterstitialAd = try await GADRewardedInterstitialAd.load(
        withAdUnitID: "ca-app-pub-3940256099942544/6978759866", request: GADRequest())
      rewardedInterstitialAd?.fullScreenContentDelegate = self
    } catch {
      print(
        "Failed to load rewarded interstitial ad with error: \(error.localizedDescription)")
    }
  }RewardedInterstitialViewModel.swift

Objective-C

#import "ViewController.h"

@interface ViewController ()
@property(nonatomic, strong) GADRewardedInterstitialAd* rewardedInterstitialAd;
@end

@implementation ViewController

- (void)viewDidLoad {
  [super viewDidLoad];

  [GADRewardedInterstitialAd
      loadWithAdUnitID:@"<var label='the ad unit ID'>/21775744923/example/rewarded-interstitial</var>"
                request:[GAMRequest request]
      completionHandler:^(
          GADRewardedInterstitialAd* _Nullable rewardedInterstitialAd,
          NSError* _Nullable error) {
        if (!error) {
          self.rewardedInterstitialAd = rewardedInterstitialAd;
        }
      }
  ];
}

[可选] 验证服务器端验证 (SSV) 回调

对于需要服务器端验证回调中额外数据的应用，应使用激励广告的自定义数据功能。在激励广告对象上设置的任何字符串值都将传递给 SSV 回调的 custom_data 查询参数。如果未设置自定义数据值，custom_data 查询参数值不会出现在 SSV 回调中。

以下代码示例演示了如何在请求广告之前对插页式激励广告对象设置自定义数据。

Swift

do {
  rewardedInterstitialAd = try await GADRewardedInterstitialAd.load(
    withAdUnitID: "/21775744923/example/rewarded-interstitial", request: GAMRequest())
  let options = GADServerSideVerificationOptions()
  options.customRewardString = "SAMPLE_CUSTOM_DATA_STRING"
  rewardedInterstitialAd.serverSideVerificationOptions = options
} catch {
  print("Rewarded ad failed to load with error: \(error.localizedDescription)")
}

Objective-C

[GADRewardedInterstitialAd
    loadWithAdUnitID:@"/21775744923/example/rewarded-interstitial"
              request:GAMRequest
    completionHandler:^(GADRewardedInterstitialAd *ad, NSError *error) {
      if (error) {
        // Handle Error
        return;
      }
      self.rewardedInterstitialAd = ad;
      GADServerSideVerificationOptions *options =
          [[GADServerSideVerificationOptions alloc] init];
      options.customRewardString = @"SAMPLE_CUSTOM_DATA_STRING";
      ad.serverSideVerificationOptions = options;
    }];

注册回调

为了接收有关展示事件的通知，您必须实现 GADFullScreenContentDelegate 协议并将其分配给所返回广告的 fullScreenContentDelegate 属性。GADFullScreenContentDelegate 协议会在广告成功展示或展示失败，以及用户关闭广告时处理回调。以下代码演示了如何实现此协议并将其分配给广告：

Swift

import GoogleMobileAds
import UIKit

class ViewController: UIViewController, GADFullScreenContentDelegate {

  private var rewardedInterstitialAd: GADRewardedInterstitialAd?

  override func viewDidLoad() {
    super.viewDidLoad()

    Task {
      do {
        rewardedInterstitialAd = try await GADRewardedInterstitialAd.load(
          withAdUnitID: "/21775744923/example/rewarded-interstitial", request: GAMRequest())
        self.rewardedInterstitialAd?.fullScreenContentDelegate = self
      } catch {
        print("Failed to load rewarded interstitial ad with error: \(error.localizedDescription)")
      }
    }
  }

  /// Tells the delegate that the ad failed to present full screen content.
  func ad(_ ad: GADFullScreenPresentingAd, didFailToPresentFullScreenContentWithError error: Error) {
    print("Ad did fail to present full screen content.")
  }

  /// Tells the delegate that the ad will present full screen content.
  func adWillPresentFullScreenContent(_ ad: GADFullScreenPresentingAd) {
    print("Ad will present full screen content.")
  }

  /// Tells the delegate that the ad dismissed full screen content.
  func adDidDismissFullScreenContent(_ ad: GADFullScreenPresentingAd) {
    print("Ad did dismiss full screen content.")
  }
}

SwiftUI

将 fullScreenContentDelegate 属性分配给返回的广告：

rewardedInterstitialAd?.fullScreenContentDelegate = selfRewardedInterstitialViewModel.swift

实现该协议：

func adDidRecordImpression(_ ad: GADFullScreenPresentingAd) {
  print("\(#function) called")
}

func adDidRecordClick(_ ad: GADFullScreenPresentingAd) {
  print("\(#function) called")
}

func ad(
  _ ad: GADFullScreenPresentingAd,
  didFailToPresentFullScreenContentWithError error: Error
) {
  print("\(#function) called")
}

func adWillPresentFullScreenContent(_ ad: GADFullScreenPresentingAd) {
  print("\(#function) called")
}

func adWillDismissFullScreenContent(_ ad: GADFullScreenPresentingAd) {
  print("\(#function) called")
}

func adDidDismissFullScreenContent(_ ad: GADFullScreenPresentingAd) {
  print("\(#function) called")
  // Clear the rewarded interstitial ad.
  rewardedInterstitialAd = nil
}RewardedInterstitialViewModel.swift

Objective-C

@interface ViewController () <GADFullScreenContentDelegate>
@property(nonatomic, strong) GADRewardedInterstitialAd *rewardedInterstitialAd;
@end

@implementation ViewController

- (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view.

  [GADRewardedInterstitialAd
      loadWithAdUnitID:@"/21775744923/example/rewarded-interstitial"
                request:[GAMRequest request]
      completionHandler:^(
          GADRewardedInterstitialAd *_Nullable rewardedInterstitialAd,
          NSError *_Nullable error) {
        if (!error) {
          self.rewardedInterstitialAd = rewardedInterstitialAd;
          self.rewardedInterstitialAd.fullScreenContentDelegate = self;
        }
      }];
}

/// Tells the delegate that the ad failed to present full screen content.
- (void)ad:(nonnull id<GADFullScreenPresentingAd>)ad
didFailToPresentFullScreenContentWithError:(nonnull NSError *)error {
    NSLog(@"Ad did fail to present full screen content.");
}

/// Tells the delegate that the ad will present full screen content.
- (void)adWillPresentFullScreenContent:(nonnull id<GADFullScreenPresentingAd>)ad {

    NSLog(@"Ad will present full screen content.");
}

/// Tells the delegate that the ad dismissed full screen content.
- (void)adDidDismissFullScreenContent:(nonnull id<GADFullScreenPresentingAd>)ad {
  NSLog(@"Ad did dismiss full screen content.");
}

展示广告并处理奖励事件

展示广告时，您必须提供 GADUserDidEarnRewardHandler 对象，用于处理用户奖励。

以下代码演示了展示插页式激励广告的最佳方法。

Swift

func show() {
  guard let rewardedInterstitialAd = rewardedInterstitialAd else {
    return print("Ad wasn't ready.")
  }

  // The UIViewController parameter is an optional.
  rewardedInterstitialAd.present(fromRootViewController: nil) {
    let reward = rewardedInterstitialAd.adReward
    print("Reward received with currency \(reward.amount), amount \(reward.amount.doubleValue)")
    // TODO: Reward the user.
  }
}

SwiftUI

监听视图中的界面事件以展示广告。

var rewardedInterstitialBody: some View {
  // ...
  }
  .onChange(
    of: showAd,
    perform: { newValue in
      if newValue {
        viewModel.showAd()
      }
    }
  )RewardedInterstitialContentView.swift

从视图模型中展示插页式激励广告：

func showAd() {
  guard let rewardedInterstitialAd = rewardedInterstitialAd else {
    return print("Ad wasn't ready.")
  }

  rewardedInterstitialAd.present(fromRootViewController: nil) {
    let reward = rewardedInterstitialAd.adReward
    print("Reward amount: \(reward.amount)")
    self.addCoins(reward.amount.intValue)
  }
}RewardedInterstitialViewModel.swift

Objective-C

- (void)show {
  // The UIViewController parameter is nullable.
  [_rewardedInterstitialAd presentFromRootViewController:nil
                                userDidEarnRewardHandler:^{

                                  GADAdReward *reward =
                                      self.rewardedInterstitialAd.adReward;
                                  // TODO: Reward the user.
                                }];
}

GitHub 上的示例

查看以您的首选语言提供的完整插页式激励广告示例：

后续步骤

不妨详细了解用户隐私权。