@interface SYRewardVideoAd : SYAd

@property(nonatomic,copy) NSString *userId; //userId尽量传真实的userId

@property(nonatomic,weak) id<SYRewardVideoAdDelegate> delegate;

- (instancetype)initWithPlacementId:(NSString *)placementId userId:(NSString *)userId;

/**
  发起拉取广告请求，只拉取不展示
  详解：广告素材及广告图片拉取成功后会回调splashAdDidLoad方法，
  当拉取失败时会回调splashAdFailToPresent方法
*/
- (void)loadAd;

- (void)showAdInViewController:(UIViewController*)viewController;
@end

@protocol SYRewardVideoAdDelegate <NSObject>

@optional
/**
广告数据加载成功回调
请勿在该回调内调用 showAdInViewController:方法（需视频下载完成）
@param rewardedVideoAd SYRewardVideoAd 实例
*/
- (void)sy_rewardVideoAdDidLoad:(SYRewardVideoAd *)rewardedVideoAd;

/**
 视频数据下载成功回调，已经下载过的视频会直接回调，在这里调用展示广告的方法。
 ✅ showAdInViewController: 方法请在该回调中执行 ， 广告展示需要在视频下载完成后才能展示，
@param rewardedVideoAd SYRewardVideoAd 实例
*/
- (void)sy_rewardVideoAdVideoDidLoad:(SYRewardVideoAd *)rewardedVideoAd;

/**
 视频广告展示
 @param rewardedVideoAd SYRewardVideoAd 实例
 */
- (void)sy_rewardVideoAdDidShow:(SYRewardVideoAd *)rewardedVideoAd;

/**
 视频播放页关闭
 @param rewardedVideoAd SYRewardVideoAd 实例
 */
- (void)sy_rewardVideoAdDidClose:(SYRewardVideoAd *)rewardedVideoAd;

/**
 视频广告信息点击
 @param rewardedVideoAd SYRewardVideoAd 实例
 */
- (void)sy_rewardVideoAdDidClicked:(SYRewardVideoAd *)rewardedVideoAd;

/**
 奖励触发
 @param rewardedVideoAd SYRewardVideoAd 实例
 */
- (void)sy_rewardVideoAdDidRewardEffective:(SYRewardVideoAd *)rewardedVideoAd;

/**
 视频广告视频播放完成
 @param rewardedVideoAd SYRewardVideoAd 实例
 */
- (void)sy_rewardVideoAdDidPlayFinish:(SYRewardVideoAd *)rewardedVideoAd;

/**
 视频广告各种错误信息回调
 @param rewardedVideoAd SYRewardVideoAd 实例
 @param error 具体错误信息
 */
- (void)sy_rewardVideoAd:(SYRewardVideoAd *)rewardedVideoAd didFailWithError:(NSError *)error;

/**
  点击跳过按钮触发的事件
*/
- (void)sy_rewardVideoAdDidClickSkip:(SYRewardVideoAd *)rewardedVideoAd;

// 广告详情页关闭回调
- (void)sy_rewardVideoAdDidCloseOtherController:(SYRewardVideoAd *)rewardedVideoAd;

// 进入广告详情页回调
- (void)sy_rewardVideoAdDidPresentFullScreen:(SYRewardVideoAd *)rewardedVideoAd;

@end

self.rewardVideoAd = [[SYRewardVideoAd alloc] initWithPlacementId:@"KS90010001" userId:@"robin6666"];
// optional. reward name.
self.rewardVideoAd.reward_name = @"奖励欢乐豆";
//optional. number of rewards.
self.rewardVideoAd.reward_amount = 10;
//optional. serialized string.
self.rewardVideoAd.extra = @"123";
self.rewardVideoAd.delegate = self;
[self.rewardVideoAd loadAd];