激励广告

@Composable
fun RewardedBlock(adUnitId: String) {
    val loader = rememberRewardedAdLoader()
    val scope = rememberCoroutineScope()
    var rewardedAd by remember { mutableStateOf<RewardedAd?>(null) }
    var isLoading by remember { mutableStateOf(false) }

    Button(
        onClick = {
            isLoading = true
            scope.launch {
                try {
                    rewardedAd = loader.loadAd(AdRequest(adUnitId = adUnitId))
                } catch (e: Exception) {
                    // Ad failed to load with AdRequestError.
                    // Attempting to load a new ad from the onAdFailedToLoad() method is strongly discouraged.
                }
                isLoading = false
            }
        },
        enabled = !isLoading,
    ) {
        Text(if (isLoading) "加载中..." else "加载激励广告")
    }

    Button(
        onClick = {
            rewardedAd?.show()
            rewardedAd = null
        },
        enabled = rewardedAd != null,
    ) {
        Text("展示激励广告")
    }
}

val ad = rewardedAd ?: return
ad.setAdEventListener(
    object : RewardedAdEventListener {
        override fun onAdShown() {
            // Called when an ad is shown.
        }

        override fun onAdFailedToShow(adError: AdError) {
            // Called when an ad failed to show.
        }

        override fun onAdDismissed() {
            // Called when ad is dismissed. Preload the next rewarded ad if appropriate.
        }

        override fun onAdClicked() {
            // Called when a click is recorded for an ad.
        }

        override fun onAdImpression(impressionData: ImpressionData?) {
            // Called when an impression is recorded for an ad.
        }

        override fun onRewarded(reward: Reward) {
            // Grant currency: reward.type, reward.amount
        }
    },
)
ad.show()