ads

private InterstitialAd interstitialAd;
private com.google.android.gms.ads.InterstitialAd mInterstitialAd;
onCreate
MobileAds.initialize(getActivity(), new OnInitializationCompleteListener() {
    @Override
    public void onInitializationComplete(InitializationStatus initializationStatus) {}
});
mInterstitialAd = new com.google.android.gms.ads.InterstitialAd(getActivity());
mInterstitialAd.setAdUnitId("ca-app-pub-3744018609707534/3930596177");
mInterstitialAd.loadAd(new AdRequest.Builder().build());

onclick

 StartAppAd.showAd(getActivity());
showAdWithDelay();

private void setfbInter() {
    interstitialAd = new InterstitialAd(getActivity(), getString(R.string.interstitial_placement));
        for load add
    // load the ad
    interstitialAd.loadAd();

}
private void showAdWithDelay() {


    /**
     * Here is an example for displaying the ad with delay;
     * Please do not copy the Handler into your project
     */
    // Handler handler = new Handler();
    new Handler().postDelayed(new Runnable() {
        public void run() {

            if (mInterstitialAd.isLoaded()) {
                mInterstitialAd.show();
            } else {
                // Check if interstitialAd has been loaded successfully
                if (interstitialAd == null || !interstitialAd.isAdLoaded()) {
                    StartAppAd.showAd(getActivity());
                    return;
                }
                // Check if ad is already expired or invalidated, and do not show ad if that is the case. You will not get paid to show an invalidated ad.
                if (interstitialAd.isAdInvalidated()) {
                    StartAppAd.showAd(getActivity());
                    return;
                }
                // Show the ad
                interstitialAd.show();

            }
        }
    }, 200); // Show the ad after 15 minutes
}