onRewardVideo method
激励视频回调
Implementation
void onRewardVideo(ZJEvent event) {
_rewardVideoListener?.call(event);
if (event.action == ZJEventAction.onAdError && event.code == -2) {
// 重复请求的忽略,不需要销毁回调对象
return;
} else {
tryDestroyListener(event, _rewardVideoListener);
}
}