Ionic framework application Adding AdMob 

Start a new Ionic blank project

1	ionic create IonicAdMobTest blank

Add the platform

ionic platform add android

Add the cordova-plugin-admob 

cordova plugin add com.cordova.plugin.admob

 add app.js file

.run(function($ionicPlatform) {

    $ionicPlatform.ready(function() {

        // Hide the accessory bar by default (remove this to show the accessory bar above the keyboard

        // for form inputs)

        if (window.cordova && window.cordova.plugins.Keyboard) {

            cordova.plugins.Keyboard.hideKeyboardAccessoryBar(true);

        }

        if (window.StatusBar) {

            // org.apache.cordova.statusbar required

            StatusBar.styleDefault();

        }

        if(window.plugins && window.plugins.AdMob) {

            var admob_key = device.platform == "Android" ? "ca-app-pub-7957971173858308/3666912163" : "ca-app-pub-7957971173858308/3666912163";

            var admob = window.plugins.AdMob;

            admob.createBannerView(

                {

                    'publisherId': admob_key,

                    'adSize': admob.AD_SIZE.BANNER,

                    'bannerAtTop': false

                },

                function() {

                    admob.requestAd(

                        { 'isTesting': false },

                        function() {

                            admob.showAd(true);

                        },

                        function() { console.log('failed to request ad'); }

                    );

                },

                function() { console.log('failed to create banner view'); }

            );

        }

    });

})

Start the emulator

ionic build android