-(void)onInterstitialLoaded:(LVDOInterstitialView*)interstitialAd; -(void)onInterstitialFailed:(LVDOInterstitialView*)interstitialAd errorCode:(int)errorCode ; -(void)onInterstitialShown:(LVDOInterstitialView*)interstitialAd; -(void)onInterstitialClicked:(LVDOInterstitialView*)interstitialAd; -(void)onInterstitialDismissed:(LVDOInterstitialView*)interstitialAd;