使用者可選擇與獎勵廣告互動,換取應用程式內獎勵。本指南 說明如何將 AdMob 的獎勵廣告 整合至 iOS 應用程式。 請參閱一些客戶成功案例: 案例 1、 案例 2。
必要條件
- 完成入門指南。
一律使用測試廣告進行測試
建構及測試應用程式時,請務必使用測試廣告,而非實際的正式廣告。否則帳戶可能會遭到停權。
如要載入測試廣告,最簡單的方法是使用 iOS 專用的測試廣告單元 ID,測試獎勵廣告:
ca-app-pub-3940256099942544/1712485313
這個 ID 經過特別設定,可針對每項要求傳回測試廣告,您可以在編寫、測試及偵錯時,自由地在自己的應用程式中使用。發布應用程式前,請務必將其替換為您自己的廣告單元 ID。
如要進一步瞭解 Mobile Ads SDK 測試廣告的運作方式,請參閱「測試廣告」。
導入作業
整合獎勵廣告的主要步驟如下:
- 載入廣告
- [選用] 驗證 SSV 回呼
- 註冊回呼
- 顯示廣告並處理獎勵事件
載入廣告
載入廣告時,請使用 GADRewardedAd
類別的 load(adUnitID:request)
方法。
Swift
func loadRewardedAd() async {
do {
rewardedAd = try await RewardedAd.load(
// Replace this ad unit ID with your own ad unit ID.
with: "ca-app-pub-3940256099942544/1712485313", request: Request())
rewardedAd?.fullScreenContentDelegate = self
} catch {
print("Rewarded ad failed to load with error: \(error.localizedDescription)")
}
}
SwiftUI
import GoogleMobileAds
class RewardedViewModel: NSObject, ObservableObject, FullScreenContentDelegate {
@Published var coins = 0
private var rewardedAd: RewardedAd?
func loadAd() async {
do {
rewardedAd = try await RewardedAd.load(
with: "ca-app-pub-3940256099942544/1712485313", request: Request())
rewardedAd?.fullScreenContentDelegate = self
} catch {
print("Failed to load rewarded ad with error: \(error.localizedDescription)")
}
}
Objective-C
// Replace this ad unit ID with your own ad unit ID.
[GADRewardedAd loadWithAdUnitID:@"ca-app-pub-3940256099942544/1712485313"
request:[GADRequest request]
completionHandler:^(GADRewardedAd *ad, NSError *error) {
if (error) {
NSLog(@"Rewarded ad failed to load with error: %@", [error localizedDescription]);
return;
}
self.rewardedAd = ad;
self.rewardedAd.fullScreenContentDelegate = self;
}];
[選用] 驗證伺服器端驗證 (SSV) 回呼
如果應用程式需要在伺服器端驗證回呼中取得額外資料,請使用獎勵廣告的自訂資料功能。在獎勵廣告物件上設定的任何字串值,都會傳遞至 SSV 回呼的 custom_data
查詢參數。如果未設定任何自訂資料值,SSV 回呼中就不會出現 custom_data
查詢參數值。
以下程式碼範例示範如何在要求廣告前,於已放送獎勵廣告的物件上設定自訂資料:
Swift
do {
rewardedAd = try await RewardedAd.load(
// Replace this ad unit ID with your own ad unit ID.
with: "ca-app-pub-3940256099942544/1712485313", request: Request())
let options = ServerSideVerificationOptions()
options.customRewardText = "SAMPLE_CUSTOM_DATA_STRING"
rewardedAd?.serverSideVerificationOptions = options
} catch {
print("Rewarded ad failed to load with error: \(error.localizedDescription)")
}
Objective-C
// Replace this ad unit ID with your own ad unit ID.
[GADRewardedAd loadWithAdUnitID:@"ca-app-pub-3940256099942544/1712485313"
request:[GADRequest request]
completionHandler:^(GADRewardedAd *ad, NSError *error) {
if (error) {
NSLog(@"Rewarded ad failed to load with error: %@", error.localizedDescription);
return;
}
self.rewardedAd = ad;
GADServerSideVerificationOptions *options =
[[GADServerSideVerificationOptions alloc] init];
options.customRewardString = @"SAMPLE_CUSTOM_DATA_STRING";
ad.serverSideVerificationOptions = options;
}];
註冊回呼
如要接收簡報事件的通知,請指派傳回廣告的 GADFullScreenContentDelegate to the
fullScreenContentDelegate` 屬性:
Swift
rewardedAd?.fullScreenContentDelegate = self
SwiftUI
rewardedAd?.fullScreenContentDelegate = self
Objective-C
self.rewardedAd.fullScreenContentDelegate = self;
GADFullScreenContentDelegate
通訊協定會處理廣告成功或無法顯示,以及廣告遭到關閉時的回呼。以下程式碼說明如何實作通訊協定:
Swift
func adDidRecordImpression(_ ad: FullScreenPresentingAd) {
print("\(#function) called.")
}
func adDidRecordClick(_ ad: FullScreenPresentingAd) {
print("\(#function) called.")
}
func adWillPresentFullScreenContent(_ ad: FullScreenPresentingAd) {
print("\(#function) called.")
}
func adWillDismissFullScreenContent(_ ad: FullScreenPresentingAd) {
print("\(#function) called.")
}
func adDidDismissFullScreenContent(_ ad: FullScreenPresentingAd) {
print("\(#function) called.")
// Clear the rewarded ad.
rewardedAd = nil
}
func ad(
_ ad: FullScreenPresentingAd,
didFailToPresentFullScreenContentWithError error: Error
) {
print("\(#function) called with error: \(error.localizedDescription).")
}
SwiftUI
func adDidRecordImpression(_ ad: FullScreenPresentingAd) {
print("\(#function) called")
}
func adDidRecordClick(_ ad: FullScreenPresentingAd) {
print("\(#function) called")
}
func ad(
_ ad: FullScreenPresentingAd,
didFailToPresentFullScreenContentWithError error: Error
) {
print("\(#function) called")
}
func adWillPresentFullScreenContent(_ ad: FullScreenPresentingAd) {
print("\(#function) called")
}
func adWillDismissFullScreenContent(_ ad: FullScreenPresentingAd) {
print("\(#function) called")
}
func adDidDismissFullScreenContent(_ ad: FullScreenPresentingAd) {
print("\(#function) called")
// Clear the rewarded ad.
rewardedAd = nil
}
Objective-C
- (void)adDidRecordImpression:(id<GADFullScreenPresentingAd>)ad {
NSLog(@"%s called", __PRETTY_FUNCTION__);
}
- (void)adDidRecordClick:(id<GADFullScreenPresentingAd>)ad {
NSLog(@"%s called", __PRETTY_FUNCTION__);
}
- (void)adWillPresentFullScreenContent:(id<GADFullScreenPresentingAd>)ad {
NSLog(@"%s called", __PRETTY_FUNCTION__);
}
- (void)adWillDismissFullScreenContent:(id<GADFullScreenPresentingAd>)ad {
NSLog(@"%s called", __PRETTY_FUNCTION__);
}
- (void)adDidDismissFullScreenContent:(id<GADFullScreenPresentingAd>)ad {
NSLog(@"%s called", __PRETTY_FUNCTION__);
// Clear the rewarded ad.
self.rewardedAd = nil;
}
- (void)ad:(id)ad didFailToPresentFullScreenContentWithError:(NSError *)error {
NSLog(@"%s called with error: %@", __PRETTY_FUNCTION__, error.localizedDescription);
}
顯示廣告並處理獎勵事件
向使用者顯示獎勵廣告前,請務必向使用者提供明確的選項,讓他們選擇觀看獎勵廣告內容以換取獎勵。使用者必須選擇觀看獎勵廣告。
顯示廣告時,您必須提供 GADUserDidEarnRewardHandler
物件,處理使用者的獎勵。
下列程式碼顯示顯示獎勵廣告的最佳方法:
Swift
rewardedAd.present(from: self) {
let reward = rewardedAd.adReward
print("Reward received with currency \(reward.amount), amount \(reward.amount.doubleValue)")
// TODO: Reward the user.
}
SwiftUI
監聽檢視區塊中的 UI 事件,判斷何時顯示廣告。
var body: some View {
VStack(spacing: 20) {
Button("Watch video for additional 10 coins") {
viewModel.showAd()
showWatchVideoButton = false
}
從檢視畫面模型顯示獎勵廣告:
func showAd() {
guard let rewardedAd = rewardedAd else {
return print("Ad wasn't ready.")
}
rewardedAd.present(from: nil) {
let reward = rewardedAd.adReward
print("Reward amount: \(reward.amount)")
self.addCoins(reward.amount.intValue)
}
}
Objective-C
[self.rewardedAd presentFromRootViewController:self
userDidEarnRewardHandler:^{
GADAdReward *reward = self.rewardedAd.adReward;
NSString *rewardMessage = [NSString
stringWithFormat:@"Reward received with currency %@ , amount %lf",
reward.type, [reward.amount doubleValue]];
NSLog(@"%@", rewardMessage);
// TODO: Reward the user.
}];
常見問題
- 可以提供
GADRewardedAd
的獎勵詳細資料嗎? - 可以。如果需要在觸發
userDidEarnReward
回呼前取得獎勵金額,GADRewardedAd
具有adReward
屬性,您可以在廣告載入後檢查該屬性,確認獎勵金額。 - 初始化呼叫是否會逾時?
- 10 秒後,Google Mobile Ads SDK 會叫用提供給
GADInitializationCompletionHandler
startWithCompletionHandler:
方法的 ,即使中介服務聯播網尚未完成初始化也一樣。 - 如果我收到初始化回呼時,部分中介服務聯播網尚未準備就緒,該怎麼辦?
建議您在
GADInitializationCompletionHandler
內載入廣告。即使中介服務聯播網尚未準備就緒,Google Mobile Ads SDK 仍會向該聯播網要求廣告。因此,如果中介服務聯播網在逾時後完成初始化,仍可在該工作階段中處理日後的廣告請求。您可以在整個應用程式工作階段中呼叫
GADMobileAds.initializationStatus
,持續輪詢所有轉接程式的初始化狀態。- 如何找出特定中介服務聯播網未就緒的原因?
GADAdapterStatus
物件的description
屬性會說明介面卡無法處理廣告要求的原因。userDidEarnRewardHandler
完成處理常式是否一律會在adDidDismissFullScreenContent:
委派方法之前呼叫?如果是 Google 廣告,所有
userDidEarnRewardHandler
呼叫都會在adDidDismissFullScreenContent:
之前發生。如果是透過中介服務放送的廣告,回呼順序取決於第三方廣告聯播網 SDK 的實作方式。如果廣告聯播網 SDK 提供單一委派方法和獎勵資訊,中介服務轉接程式會先叫用userDidEarnRewardHandler
,再叫用adDidDismissFullScreenContent:
。
GitHub 上的範例
查看您偏好語言的完整獎勵廣告範例:
後續步驟
進一步瞭解使用者隱私權。