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Build and Publish Your First Mobile App Using Flutter

AdMob Model

Understand how to implement AdMob interstitial ads in your Flutter app by creating a singleton manager class. Learn to load, show, and refresh ads properly while controlling when ads are displayed to users, enhancing app monetization without disrupting user experience.

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We first need to install the google_mobile_ads package. We can install it by using the following command:

C++
flutter pub add google_mobile_ads

Note: We can also install it by writing google_mobile_ads in the pubspec.yaml file under the dependencies tag.

Code

Let’s analyze the code present in the admob.dart file.

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The AdMob class

This code defines a singleton class called AdMob that is used to manage an interstitial ad in a Flutter app. We have made the class singleton. This means that, globally, this class will have only one single instance at a time. So each time it ...