How to implement interstitial Ads in android Studio 2020

In this video, I'm showing how to implement Admob Interstitials ads in android studio show watch till the end. make sure don't forget to subscribe to my channels. Here is code https://eduandroids.blogspot.com/ Public class .................................... InterstitialAd mInterstitialAd; private InterstitialAd interstitial; .................................... // Prepare the Interstitial Ad interstitial = new InterstitialAd(DashAcrivity.this); // Insert the Ad Unit ID interstitial.setAdUnitId(getString(R.string.admob_interstitial_id)); interstitial.loadAd(adRequest); // Prepare an Interstitial Ad Listener interstitial.setAdListener(new AdListener() { public void onAdLoaded() { // Call displayInterstitial() function displayInterstitial(); } }); .......................................... public void displayInterstitial() { // If Ads are loaded, show Interstitial else show nothing. if (interstitial.isLoaded()) { interstitial.show(); } }