How to Make Smart Banner Show Again

Banner ads occupy a spot inside an app's layout, either at the pinnacle or lesser of the device screen. They stay on screen while users are interacting with the app, and can refresh automatically after a certain menses of time. If y'all're new to mobile advertising, they're a great place to showtime. Instance study.

This guide shows yous how to integrate imprint ads from AdMob into an Android app. In addition to code snippets and instructions, it also includes information almost sizing banners properly and links to additional resources.

Prerequisites

• Import the Google Mobile Ads SDK, either by itself or equally part of Firebase.

Add AdView to the layout

The showtime step toward displaying a banner is to place AdView in the layout for the Activeness or Fragment in which you'd similar to display it. The easiest style to do this is to add ane to the respective XML layout file. Here's an case that shows an action's AdView:

# main_activity.xml ...   <com.google.android.gms.ads.AdView       xmlns:ads="http://schemas.android.com/apk/res-auto"       android:id="@+id/adView"       android:layout_width="wrap_content"       android:layout_height="wrap_content"       android:layout_centerHorizontal="true"       android:layout_alignParentBottom="true"       ads:adSize="Banner"       ads:adUnitId="ca-app-pub-3940256099942544/6300978111">   </com.google.android.gms.ads.AdView> ...        

Annotation the following required attributes:

• ads:adSize - Set up this to the ad size you lot'd like to apply. If you don't want to apply the standard size defined past the abiding, you tin set a custom size instead. Come across the banner size section below for details.
• ads:adUnitId - Set this to the unique identifier given to the ad unit in your app where ads are to be displayed. If you evidence banner ads in dissimilar activities, each would require an ad unit.

You tin can alternatively create AdView programmatically:

Java

AdView adView = new AdView(this);  adView.setAdSize(AdSize.Banner);  adView.setAdUnitId("ca-app-pub-3940256099942544/6300978111"); // TODO: Add adView to your view bureaucracy.            

Kotlin

val adView = AdView(this)  adView.adSize = AdSize.BANNER  adView.adUnitId = "ca-app-pub-3940256099942544/6300978111" // TODO: Add together adView to your view bureaucracy.            

Always test with test ads

When building and testing your apps, make sure you use test ads rather than live, production ads. Failure to do and so can lead to suspension of your business relationship.

The easiest way to load examination ads is to utilise our dedicated examination ad unit ID for Android banners:

ca-app-pub-3940256099942544/6300978111

It'due south been specially configured to return test ads for every request, and you're free to use it in your own apps while coding, testing, and debugging. But make certain you lot replace information technology with your own advertisement unit of measurement ID before publishing your app.

For more than information about how the Mobile Ads SDK's exam ads work, meet Test Ads.

Load an advertizing

Once the AdView is in identify, the side by side step is to load an advertising. That'southward washed with the loadAd() method in the AdView course. It takes an AdRequest parameter, which holds runtime data (such equally targeting info) nigh a single ad request.

Here'due south an example that shows how to load an advertisement in the onCreate() method of an Activity:

MainActivity (excerpt)

Java

package ...  import ... import com.google.android.gms.ads.AdRequest; import com.google.android.gms.ads.AdView;  public class MainActivity extends AppCompatActivity {     individual AdView mAdView;              protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);          MobileAds.initialize(this, new OnInitializationCompleteListener() {             @Override             public void onInitializationComplete(InitializationStatus initializationStatus) {             }         });          mAdView = findViewById(R.id.adView);         AdRequest adRequest = new AdRequest.Builder().build();         mAdView.loadAd(adRequest);     }              }

Kotlin

package ...  import ... import com.google.android.gms.ads.AdRequest import com.google.android.gms.ads.AdView  class MainActivity : AppCompatActivity() {      lateinit var mAdView : AdView              override fun onCreate(savedInstanceState: Bundle?) {         super.onCreate(savedInstanceState)         setContentView(R.layout.activity_main)          MobileAds.initialize(this) {}          mAdView = findViewById(R.id.adView)         val adRequest = AdRequest.Builder().build()         mAdView.loadAd(adRequest)     }              }

That's it! Your app is at present ready to display banner ads.

Ad events

To farther customize the behavior of your advertizement, you can hook onto a number of events in the advert's lifecycle: loading, opening, closing, so on. You can listen for these events through the AdListener class.

To use an AdListener with AdView, phone call the setAdListener() method:

Java

mAdView.setAdListener(new AdListener() {     @Override     public void onAdLoaded() {         // Code to be executed when an advertizing finishes loading.     }      @Override     public void onAdFailedToLoad(LoadAdError adError) {         // Code to be executed when an ad request fails.     }      @Override     public void onAdOpened() {         // Code to be executed when an advert opens an overlay that         // covers the screen.     }      @Override     public void onAdClicked() {         // Lawmaking to be executed when the user clicks on an advert.     }      @Override     public void onAdClosed() {         // Code to be executed when the user is about to return         // to the app after tapping on an ad.     } });            

Kotlin

mAdView.adListener = object: AdListener() {     override fun onAdLoaded() {         // Code to be executed when an advertising finishes loading.     }      override fun onAdFailedToLoad(adError : LoadAdError) {         // Lawmaking to be executed when an ad request fails.     }      override fun onAdOpened() {         // Code to be executed when an advertizement opens an overlay that         // covers the screen.     }      override fun onAdClicked() {         // Code to be executed when the user clicks on an advert.     }      override fun onAdClosed() {         // Code to be executed when the user is about to return         // to the app later on borer on an advertizing.     } }            

Each of the overridable methods in AdListener corresponds to an event in the lifecycle of an ad.

Overridable methods
onAdLoaded()	The onAdLoaded() method is executed when an advertizing has finished loading. If you want to delay adding the AdView to your action or fragment until you're sure an advertizement volition exist loaded, for example, yous can practice so here.
onAdFailedToLoad()	The onAdFailedToLoad() method is the just ane that includes a parameter. The error parameter of blazon LoadAdError describes what fault occurred. For more than information, refer to the Debugging Advertisement Load Errors documentation.
onAdOpened()	This method is invoked when the user taps on an ad.
onAdClosed()	When a user returns to the app after viewing an advertisement's destination URL, this method is invoked. Your app tin use it to resume suspended activities or perform whatsoever other work necessary to make itself ready for interaction. Refer to the AdMob AdListener example for an implementation of the ad listener methods in the Android API Demo app.

The tabular array below lists the standard imprint sizes.

Size in dp (WxH)	Description	Availability	AdSize constant
320x50	Banner	Phones and Tablets	BANNER
320x100	Large Imprint	Phones and Tablets	LARGE_BANNER
300x250	IAB Medium Rectangle	Phones and Tablets	MEDIUM_RECTANGLE
468x60	IAB Full-Size Imprint	Tablets	FULL_BANNER
728x90	IAB Leaderboard	Tablets	LEADERBOARD
Provided width x Adaptive peak	Adaptive banner	Phones and Tablets	N/A
Screen width 10 32|50|ninety	Smart banner	Phones and Tablets	SMART_BANNER
Learn more than about Adaptive Banners, intended to supervene upon Smart Banners.

To define a custom banner size, set your desired AdSize, as shown here:

Java

AdSize adSize = new AdSize(300, 50);

Kotlin

val adSize = AdSize(300, l)

Hardware dispatch for video ads

In order for video ads to show successfully in your banner ad views, hardware dispatch must be enabled.

Hardware dispatch is enabled by default, just some apps may choose to disable it. If this applies to your app, we recommend enabling hardware acceleration for Activity classes that utilise ads.

Enabling hardware dispatch

If your app does not acquit properly with hardware dispatch turned on globally, you can command it for private activities as well. To enable or disable hardware acceleration, you lot can use the android:hardwareAccelerated attribute for the <application> and <activity> elements in your AndroidManifest.xml. The following case enables hardware dispatch for the entire app but disables information technology for ane activeness:

          <application android:hardwareAccelerated="true">     <!-- For activities that use ads, hardwareAcceleration should exist truthful. -->     <activeness android:hardwareAccelerated="true" />     <!-- For activities that don't use ads, hardwareAcceleration tin can be false. -->     <activity android:hardwareAccelerated="false" /> </application>                  

See the HW acceleration guide for more information nigh options for controlling hardware dispatch. Note that individual ad views cannot be enabled for hardware dispatch if the Activeness is disabled, so the Activity itself must have hardware acceleration enabled.

Additional resources

Examples on GitHub

• Banner ads example: Java | Kotlin

• Advanced features demo: Coffee | Kotlin

• Banner RecyclerView sample app: Java

Mobile Ads Garage video tutorials

• Banner Implementation
• Imprint Best Practices

Success stories

• Sample use case

goodridgetwout1977.blogspot.com

Source: https://developers.google.com/admob/android/banner

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