Because Admob Interstitial Ads Won't Display?

What is the error?Because admob interstital ads won't display? public class MainActivity extends Activity implements AdListener { private InterstitialAd interstitial;

Solution 1:

Just follow below example

import com.google.android.gms.ads.*;

publicclassBannerExampleextendsActivity {

private InterstitialAd interstitial;

@OverridepublicvoidonCreate(Bundle savedInstanceState) {

     super.onCreate(savedInstanceState);
     setContentView(R.layout.main);

// Create the interstitial.
     interstitial = newInterstitialAd(this);
     interstitial.setAdUnitId(MY_AD_UNIT_ID);

// Create ad request.AdRequestadRequest=newAdRequest.Builder().build();

// Begin loading your interstitial.
     interstitial.loadAd(adRequest);
}
//Invoke displayInterstitial() when you are ready to display an interstitial.publicvoiddisplayInterstitial() {

    if (interstitial.isLoaded()) {
        interstitial.show();
      }
}
}

Solution 2:

Your should add the .build() at the end of the creation of the AdRequest.

// Create ad requestAdRequestadRequest=newAdRequest().build();