Android Interstitial Ads Google AdMob
Let's create an app to display full screen Interstitial Ads of Google AdMob on its layout.
File: build.gradle file
Add the required google ads dependencies in build.gradle file.
Add the required user permission in AndroidMenifest.xml file
Create an activity.xml file according to your design layout required.
File: MainActivity.java file
Create another layout activity on which interstitial ad displays.
Note: Ads is display on android real device not in android emulator.