Integrate Google AdMob in Android

How to Integrate Google AdMob in your Android App

AdMob is a multi-platform mobile ad network that allows you to monetize your android app. By integrating AdMob you can start earning right away. It is very useful particularly when you are publishing a free app and want to earn some money from it.

Integrating AdMob is such an easy task that it takes not more than 5mins. In this article we’ll build a simple app with two screen to show the different types of ads that AdMob supports.

1. Type of Ads – Banner and Interstitial

AdMob currently support two kinds of ad units. One is Banner ad which occupies a portion of the screen. Other is Interstitial ad which occupies device full screen. Interstitial completely blocks your app UI and places the ad on top it.

2. Creating Ad Units

1. Sign into your AdMob account.

2. Click on Monetize tab.

3. Select or Create the app and choose the platform.

4. Select the ad format either Banner or Interstitial and give the ad unit a name.

5. Once the ad unit is created, you can notice the Ad unit ID on the dashboard. An example of ad unit id look like ca-app-pub-066457076332243242/3326342124

Create as many ad units required for your app.

Banner Ad

Banner ads occupies only a portion of the screen. I am adding a banner ad in my main activity aligning to bottom of the screen

Interstitial Ad (Fullscreen Ad)

Interstitial ads occupies full screen of the app. Adding interstitial ad doesn’t require an AdView element to be added in the xml layout. Rather we load the ad programatically from the activity. Normally these ads will be populated when user is moving between activities or moving to next level when playing a game.

We’ll test this ad by creating a second activity and popup the full screen ad when the second activity is launched.

Creating New Project

1. Create a new project in Android Studio from File ⇒ New Project. When it prompts you to select the default activity, select Empty Activity and proceed.

2. Open build.gradle and add play services dependency as AdMob requires it.

compile ‘com.google.android.gms:play-services-ads:9.0.0’

Open AndroidManifest.xml and add the below mentioned permissions and other properties.

> Add INTERNET permissions.

 <uses-permission android:name="android.permission.INTERNET" />

Add Linear Layout in main activity.

<LinearLayout
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:id="@+id/ad"
    android:layout_alignParentBottom="true"
    android:background="@android:color/transparent"
    android:orientation="horizontal"
    />

Now open and edit main activity java class

public class MainActivity extends AppCompatActivity {



    AdView adView;

    LinearLayout linearLayout;

    InterstitialAd interstitialAd;

@Override

protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

    setContentView(R.layout.activity_main);

    linearLayout = (LinearLayout) findViewById(R.id.ad);



    adView = new AdView(this);



    interstitialAd = new InterstitialAd(this);



    initAd();



    new Handler().postDelayed(new Runnable() {

        @Override

        public void run() {

          displayInterstialAd();

        }

    },2000);

}



 public void initAd(){

     adView.setAdUnitId("ca-app-pub-2049596536820731/9402866166");

     adView.setAdSize(AdSize.SMART_BANNER);

     AdRequest adRequest=new AdRequest.Builder().build();

     if(adView.getAdSize()!= null || adView.getAdUnitId()!= null){

         Log.e("","Banner Requested");

         adView.loadAd(adRequest);

     }else{

         Log.e(""," AdSize: "+adView.getAdSize()+" AdUnitID: "+adView.getAdUnitId());

     }





     linearLayout.addView(adView);

 }





    public void showInterstetial(){

        interstitialAd.setAdUnitId("ca-app-pub-2049596536820731/2995926838");

        interstitialAd.setAdListener(new AdListener() {

            @Override

            public void onAdLoaded() {

                super.onAdLoaded();

                displayInterstialAd();

            }

        });

    }



    public void displayInterstialAd(){

        if(interstitialAd.isLoaded()) {

            Toast.makeText(this,"showing ads..",Toast.LENGTH_LONG).show();

            interstitialAd.show();

        }else{

            Log.e("","Ads not loaded");

        }

    }



}