showInterstitial method
Shows the Interstitial ad if available. @param activity The activity from which the Interstitial ad should be shown. @param callback The callback for Interstitial ad events.
Implementation
Future<void> showInterstitial(AdCallback? callback) {
if (_interstitial == null) {
callback?.onShowFailed("Not ready");
return Future.value();
}
_interstitialCallback = callback;
return _interstitial!.show();
}