预加载激励视频广告

/**
* 激励视频广告--预加载激励视频广告
*/
- (void)loadRewardedAd:(RewardVideoInfo *)rewardVideoInfo;

// 监听开启消息回调通知

// 广告加载成功（此时可调起广告播放了）
[[NSNotificationCenter defaultCenter] addObserver:self
                                         selector:@selector(onRewardedAdLoaded:)
                                             name:NOTIFICATION_REWARDEDAD_LOADED
                                           object:nil]; 
// 广告加载失败   
[[NSNotificationCenter defaultCenter] addObserver:self
                                         selector:@selector(onRewardedAdLoadFailed:)
                                             name:NOTIFICATION_REWARDEDAD_LOADED_FAILED
                                           object:nil]; 

// 加载激励广告
RewardVideoInfo *rewardVideoInfo = [[RewardVideoInfo alloc] init];
rewardVideoInfo.adUnitId = @"xxxxxxxx"; // 广告位ID
rewardVideoInfo.adType = 0; // 广告类型
rewardVideoInfo.adSceneTag = @""; // 广告位标签
[SDKManager.getInstance loadRewardedAd:rewardVideoInfo];


// 回调方法
- (void)onRewardedAdLoaded:(NSNotification *)notif
{
    NSString *tip = [NSString stringWithFormat:@"激励广告加载成功"];
}

- (void)onRewardedAdLoadFailed:(NSNotification *)notif
{
    NSDictionary *errorInfo = notif.userInfo;
    NSInteger errorCode = [[errorInfo objectForKey:KEY_ERROR_CODE] integerValue];
    NSString *errorMsg = [errorInfo objectForKey:KEY_ERROR_MSG];
    NSString *tip = [NSString stringWithFormat:@"激励广告加载失败errorCode = %ld - errormsg = %@",errorCode ,errorMsg];
//    激励视频加载失败
//    游戏提示玩家失败，让玩家自行重试
}