激励广告

加载激励广告

以下代码展示了如何附加监听器以及加载第一则激励广告：

final String _rewarded_ad_unit_ID = Platform.isAndroid ? "«Android-ad-unit-ID»" : "«iOS-ad-unit-ID»";
const int _maxExponentialRetryCount = 6;
var _rewardedAdRetryAttempt = 0;

void initializeRewardedAd() {

  AppLovinMAX.setRewardedAdListener(RewardedAdListener(onAdLoadedCallback: (ad) {

    // Rewarded ad is ready to show. AppLovinMAX.isRewardedAdReady(_rewarded_ad_unit_ID) now returns 'true'.
    print('Rewarded ad loaded from ' + ad.networkName);

    // Reset retry attempt
    _rewardedAdRetryAttempt = 0;
  }, onAdLoadFailedCallback: (adUnitId, error) {
    // Rewarded ad failed to load.
    // AppLovin recommends that you retry with exponentially higher delays up to a maximum delay (in this case 64 seconds).
    _rewardedAdRetryAttempt = _rewardedAdRetryAttempt + 1;
    if (_rewardedAdRetryAttempt > _maxExponentialRetryCount) return;
    int retryDelay = pow(2, min(_maxExponentialRetryCount, _rewardedAdRetryAttempt)).toInt();
    print('Rewarded ad failed to load with code ' + error.code.toString() + ' - retrying in ' + retryDelay.toString() + 's');

    Future.delayed(Duration(milliseconds: retryDelay * 1000), () {
      AppLovinMAX.loadRewardedAd(_rewarded_ad_unit_ID);
    });
  }, onAdDisplayedCallback: (ad) {
    ⋮
  }, onAdDisplayFailedCallback: (ad, error) {
    ⋮
  }, onAdClickedCallback: (ad) {
    ⋮
  }, onAdHiddenCallback: (ad) {
    ⋮
  }, onAdReceivedRewardCallback: (ad, reward) {
    ⋮
  }));}void loadRewardedAd() {  AppLovinMAX.loadRewardedAd(_rewarded_ad_unit_id);}

显示激励广告

要显示激励广告，请调用 showRewardedAd()：

bool isReady = (await AppLovinMAX.isRewardedAdReady(_rewarded_ad_unit_ID))!;
if (isReady) {
  AppLovinMAX.showRewardedAd(_rewarded_ad_unit_ID);
}

S2S 激励回传

您可以通过货币服务器接收回传。要了解操作方法，请参阅 MAX S2S Rewarded Callback API 指南。随后，在Edit Ad Unit页面更新Server Side Callback URL。

设置激励广告的金额和币种

要设置激励广告的金额和币种，请按照下列步骤操作：

在 Edit Ad Unit 页面点击Add S2S Reward Callback:
添加 Server Side Callback URL、Reward Amount和 Rewarded Currency Name:

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