Unity 接入 admob 奖励视频广告

private RewardBasedVideoAd rewardBasedVideo;
void Start () {
    rewardBasedVideo = RewardBasedVideoAd.Instance;
}

void OnEnable(){
    this.rewardBasedVideo.OnAdFailedToLoad += this.HandleRewardBasedVideoFailedToLoad;
    this.rewardBasedVideo.OnAdRewarded += this.HandleRewardBasedVideoRewarded;
}
 
void OnDisable(){
    this.rewardBasedVideo.OnAdFailedToLoad -= this.HandleRewardBasedVideoFailedToLoad;
    this.rewardBasedVideo.OnAdRewarded -= this.HandleRewardBasedVideoRewarded;
}

public void RequestRewardBasedVideo()
{
	#if UNITY_EDITOR
		string adUnitId = "unused";
	#elif UNITY_ANDROID
		string adUnitId = android_adUnitId_Interstitial;
	#elif UNITY_IPHONE
		string adUnitId = ios_adUnitId_Interstitial;
	#else
		string adUnitId = "unexpected_platform";
	#endif
 
	AdRequest request = new AdRequest.Builder().Build();
	rewardBasedVideo.LoadAd(request, adUnitId);
}
 
public bool IsRewardAdReady(){
	return rewardBasedVideo.IsLoaded ();
}
 
public void ShowRewardAd()
{
	if (rewardBasedVideo.IsLoaded()) {
		rewardBasedVideo.Show();
	}
}

public void HandleRewardBasedVideoRewarded(object sender, Reward args)
{
	string type = args.Type;
	double amount = args.Amount;
	Debug.Log ("User rewarded with: " + amount.ToString() + " " + type);
}
 
public void HandleRewardBasedVideoFailedToLoad(object sender, AdFailedToLoadEventArgs args)
{
	MonoBehaviour.print(
		"HandleRewardBasedVideoFailedToLoad event received with message: " + args.Message);
}