Native Ads

Native ads let you monetize your app in a way that’s consistent with its existing design. The AppLovin MAX Flutter plugin v3.0.0 gives you access to an ad’s individual assets. This allows you to design the ad layout to be consistent with the look and feel of your app. The SDK automatically handles image caching and metrics tracking. You can focus on how, when, and where to display ads.

The plugin currently supports only manual integration: you can manually load native ad assets into your custom views. This integration method involves three high-level steps:

Declare Flutter UI components.
Refresh the native ad.
Destroy the native ad.

To use the manual API, select the Manual template in the Create New Ad Unit screen:

Template: ☐ Small, ☐ Medium, ☒ Manual

Declare Flutter UI Components

MaxNativeAdView is the container that holds your native ad components. When it mounts, it automatically loads a native ad for the adUnitId attribute you provide.

The plugin provides various components that render various assets of the native ad. You can style these components as you do with other components in your app. As per AppLovin’s policy, your ad must contain the Privacy Information icon. This icon links to an important privacy notice. You can bind to it by using the MaxNativeOptionsView component.

The following table shows the various components that can help you to render native ad assets:

Component	Type
`MaxNativeAdAdvertiserView`	`Text`
`MaxNativeAdBodyView`	`Text`
`MaxNativeAdCallToActionView`	`ElevatedButton`
`MaxNativeAdIconView`	`Container`
`MaxNativeAdMediaView`	`Container`
`MaxNativeAdOptionsView`	`Container`
`MaxNativeAdStarRatingView`	`Container`
`MaxNativeAdTitleView`	`Text`

The following code sample illustrates a sample native ad that utilizes all of these native ad components. AppLovin does not guarantee a network will return certain assets. For a complete working example, see the example app at the AppLovin-MAX-Flutter GitHub project.

Container(
  margin: const EdgeInsets.all(8.0),
  height: 300,
  child: MaxNativeAdView(
    adUnitId: widget.adUnitId,
    controller: _nativeAdViewController,
    listener: NativeAdListener(onAdLoadedCallback: (ad) {
      logStatus('Native ad loaded from ${ad.networkName}');
      setState(() {
        _mediaViewAspectRatio = ad.nativeAd?.Mediacontentaspectratio ?? _kMediaViewAspectRatio;
      });
    }, onAdLoadFailedCallback: (adUnitId, error) {
      logStatus('Native ad failed to load with error code ${error.code} and message: ${error.message}');
    }, onAdClickedCallback: (ad) {
      logStatus('Native ad clicked');
    }, onAdRevenuePaidCallback: (ad) {
      logStatus('Native ad revenue paid: ${ad.revenue}');
    }),
    child: Container(
      color: const Color(0xffefefef),
      padding: const EdgeInsets.all(8.0),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Container(
                padding: const EdgeInsets.all(4.0),
                child: const MaxNativeAdIconView(
                  width: 48,
                  height: 48,
                ),
              ),
              Flexible(
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.start,
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    MaxNativeAdTitleView(
                      style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16),
                      maxLines: 1,
                      overflow: TextOverflow.visible,
                    ),
                    MaxNativeAdAdvertiserView(
                      style: TextStyle(fontWeight: FontWeight.normal, fontSize: 10),
                      maxLines: 1,
                      overflow: TextOverflow.fade,
                    ),
                    MaxNativeAdStarRatingView(
                      size: 10,
                    ),
                  ],
                ),
              ),
              const MaxNativeAdOptionsView(
                width: 20,
                height: 20,
              ),
            ],
          ),
          Row(
            mainAxisAlignment: MainAxisAlignment.start,
            children: [
              Flexible(
                child: MaxNativeAdBodyView(
                  style: TextStyle(fontWeight: FontWeight.normal, fontSize: 14),
                  maxLines: 3,
                  overflow: TextOverflow.ellipsis,
                ),
              ),
            ],
          ),
          const SizedBox(height: 8),
          Expanded(
            child: AspectRatio(
              aspectRatio: _mediaViewAspectRatio,
              child: const MaxNativeAdMediaView(),
            ),
          ),
          const SizedBox(
            width: double.infinity,
            child: MaxNativeAdCallToActionView(
              style: ButtonStyle(
                backgroundColor: MaterialStatePropertyAll(Color(0xff2d545e)),
                textStyle: MaterialStatePropertyAll(TextStyle(fontSize: 20, fontWeight: FontWeight.bold)),
              ),
            ),
          ),
        ],
      ),
    ),
  ),
),

Ad Reloading

The AppLovin Flutter plugin automatically loads the first native ad when the MaxNativeAdView mounts. After it mounts, you can load the next ad by calling the load() method of MaxNativeAdViewController.

final MaxNativeAdViewController _nativeAdViewController = MaxNativeAdViewController();
_nativeAdViewController.loadAd();

Asset Sizes

AppLovin recommends that you incorporate as many native elements as are appropriate in the context of what the rest of your app looks like. Such elements may include the Title and Media View or Icon. Giving the user more information helps them decide whether they want to click on the ad.

For AppLovin Exchange demand, the maximum numbers of characters allowed for Title, Description, and CTA are as follows:

Asset	Maximum Character Count
Title	50 characters
Description	150 characters. You can add an ellipsis (`…`) after 149 characters, as the 150th character.
CTA	15 characters

For SDK-mediated networks, the network sets the maximum character counts.

How to Get the Media Content Aspect Ratio

You can retrieve the Media Content Aspect Ratio for MediaView from adInfo. This is an argument of the onAdLoaded callback:

ad.nativeAd?mediaContentAspectRatio

Supported Adapter Versions

Ad Network	Adapter Version
BidMachine	Android 1.9.10.5 / iOS 1.9.5.0.2
Criteo	Android 4.8.1.1 / iOS 4.5.0.6
Google Ad Manager	Android 22.1.0.1 / iOS 10.3.0.2
Google Bidding and Google AdMob	Android 22.1.0.1 / iOS 10.3.0.2
InMobi	Android 10.1.2.1 / iOS 10.1.1.1
LINE	Android 2022.2.16.3 / iOS 2.4.20220630.1
Meta Audience Network	Android 6.12.0.1 / iOS 6.12.0.1
Mintegral	Android 16.2.61.2 / iOS 7.2.6.0.1
Pangle	Android 4.8.0.8.2 / iOS 4.7.0.8.2
Smaato	Android 21.8.5.1 / iOS 21.7.8.1
VK Ad Network	Android 5.16.0.1 / iOS 5.16.0.1
Yandex	Android only 5.3.0.1

Star Rating

You can access and render the star rating for the advertised app. The value, if available, is a floating point number in the range of [0.0, 5.0].

The AppLovin MAX Flutter plugin automatically renders the stars in the MaxNativeAdStarRatingView component. If the network does not provide the star rating, the AppLovin MAX Flutter plugin leaves the star rating component empty. You are responsible for adjusting your layout accordingly.

You can retrieve the star rating for the current ad from ad.nativeAd?starRating.

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