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Banner Ad Customization

In the Get Started guide, you learned how to deploy the SDK and display a test banner ad. This guide goes into further customizations that are possible with banner ads.

The following ad formats are supported:

Size (WxH) Description Availability AdSize Constant
320x50 Standard Banner Phones and Tablets BANNER
320x100 Large Banner Phones and Tablets LARGE_BANNER
300x250 IAB Medium Rectangle Phones and Tablets MEDIUM_RECTANGLE
468x60 IAB Full-Size Banner Tablets FULL_BANNER
728x90 IAB Leaderboard Tablets LEADERBOARD
Screen width x 32|50|90 Smart Banner Phones and Tablets SMART_BANNER

The SDK will request whatever size the requesting AdView was instantiated with. If there isn't enough space on the device's screen to display the ad, nothing will be shown.

Smart Banners

Smart Banners are ad units that will render screen-wide banner ads on any screen size across different devices in either orientation. Smart Banners help deal with increasing screen fragmentation across different devices by "smartly" detecting the width of the phone in its current orientation, and making the ad view that size.

Three ad heights (in dp, density-independent pixel) are available:

  • 32 - used when the screen height of a device is less than 400
  • 50 - used when the screen height of a device is between 400 and 720
  • 90 - used when the screen height of a device is greater than 720

For some devices, such as phones, the height of the device will vary with its orientation. Typically, smart banner ads on phones are full width x 50dp in portrait and full width x 32dp in landscape, while on tablets ads are full width x 90dp in both orientations.

When an image ad won't take up the entire allotted space for the banner, we'll center the image and use a hexagonal textile filler (see image) to fill up the remaining space. Note that AdSense backfill ads will be centered and have "transparent" filler.

To use Smart Banners, specify the constant SMART_BANNER for the ad size:

AdView adView = new AdView(this);
adView.setAdSize(AdSize.SMART_BANNER);

Ad lifecycle event callbacks

You may optionally track ad lifecycle events like request failures or "click-through" by passing an object to AdView.setAdListener that extends com.google.android.gms.ads.AdListener.

public abstract class AdListener {
  public void onAdLoaded();
  public void onAdFailedToLoad(int errorCode);
  public void onAdOpened();
  public void onAdClosed();
  public void onAdLeftApplication();
}

A separate class extending AdListener may be defined, or you can choose to inline an AdListener object:

adView.setAdListener(new AdListener() {
  @Override
  public void onAdOpened() {
    // Save app state before going to the ad overlay.
  }
});

AdListener provides a default empty implementation for all of its ad lifecycle events. You only need to override the ad events you wish to implement.

public void onAdLoaded()
Called when an ad is received.
public void onAdFailedToLoad(int errorCode)

Called when an ad request failed. The error code is usually one of the following:

  • AdRequest.ERROR_CODE_INTERNAL_ERROR
  • AdRequest.ERROR_CODE_INVALID_REQUEST
  • AdRequest.ERROR_CODE_NETWORK_ERROR
  • AdRequest.ERROR_CODE_NO_FILL
public void onAdOpened()

Called when an ad opens an overlay that covers the screen.

public void onAdClosed()

Called when the user is about to return to the app after clicking on an ad.

public void onAdLeftApplication()

Called when an ad leaves the app (e.g., to go to the browser).

You can download an example project containing a sample AdListener here.

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Mobile Ads SDK for Android