public interface LVDOInterstitialListener {

    // The interstitial has been cached and is ready to be shown.
    public void onInterstitialLoaded(LVDOInterstitialAd interstitialAd);

    // The interstitial has failed to load. Inspect errorCode for additional information.
    public void onInterstitialFailed(LVDOInterstitialAd interstitialAd, LVDOConstants.LVDOErrorCode errorCode) { 
    Log.v(TAG, "Interstitial Failed" + errorCode.toString()); 
    }

    // The interstitial has been shown. Pause / save state accordingly.
    public void onInterstitialShown(LVDOInterstitialAd interstitialAd);

    // The interstitial has been clicked. Take actions accordingly.
    public void onInterstitialClicked(LVDOInterstitialAd interstitialAd);

    // The interstitial has been dismissed. Resume / load state accordingly.
    public void onInterstitialDismissed(LVDOInterstitialAd interstitialAdl);
}