B4A Library Unity Ads Library

Pendrush · Jul 28, 2020

Original library: https://github.com/Unity-Technologies/unity-ads-android
Based on Unity Ads Library v4.15.0 (28 May 2025).
Banner, Interstitial and Rewarded Video.

If you have problem compiling app please check THIS post.

app-ads.txt: https://docs.unity.com/ads/en-us/manual/app-ads-txt

Tutorial for AdMob mediation: AdMob mediation - UnityAds (not tested).

UnityAds

Author: Author: Unity - B4a Wrapper: Pendrush
Version: 4.92

UnityAdsBanner

Events:

OnBannerClick

OnBannerFailedToLoad (Error As String)

OnBannerLeftApplication

OnBannerLoaded

OnBannerShown

OnInitializationComplete

OnInitializationFailed (Error As String)

Functions:

BringToFront

Initialize (arg1 As String)

InitializeBanner (EventName As String, GameID As String, TestMode As Boolean, PlacementID As String)
Initializes banner 320x50
EventName - Event name
GameID - The Unity Game ID for your Project, located in the developer dashboard.
TestMode - When set to true, only test ads display.
PlacementID - The Placement ID, located on the developer dashboard.
UnityAdsBanner.InitializeBanner("BannerAd", "3054608", True, "banner")
Activity.AddView(UnityAdsBanner, 100%x/2-160dip, 0, 320dip, 50dip)

InitializeBanner300x250 (EventName As String, GameID As String, TestMode As Boolean, PlacementID As String)
Initializes banner 300x250
EventName - Event name
GameID - The Unity Game ID for your Project, located in the developer dashboard.
TestMode - When set to true, only test ads display.
PlacementID - The Placement ID, located on the developer dashboard.
UnityAdsBanner.InitializeBanner300x250("BannerAd", "3054608", True, "banner")
Activity.AddView(UnityAdsBanner, 100%x/2-150dip, 0, 300dip, 250dip)

InitializeBanner300x300 (EventName As String, GameID As String, TestMode As Boolean, PlacementID As String)
Initializes banner 300x300
EventName - Event name
GameID - The Unity Game ID for your Project, located in the developer dashboard.
TestMode - When set to true, only test ads display.
PlacementID - The Placement ID, located on the developer dashboard.
UnityAdsBanner.InitializeBanner300x300("BannerAd", "3054608", True, "banner")
Activity.AddView(UnityAdsBanner, 100%x/2-150dip, 0, 300dip, 300dip)

InitializeBanner450x450 (EventName As String, GameID As String, TestMode As Boolean, PlacementID As String)
Initializes banner 450x450
EventName - Event name
GameID - The Unity Game ID for your Project, located in the developer dashboard.
TestMode - When set to true, only test ads display.
PlacementID - The Placement ID, located on the developer dashboard.
UnityAdsBanner.InitializeBanner450x450("BannerAd", "3054608", True, "banner")
Activity.AddView(UnityAdsBanner, 100%x/2-225dip, 0, 450dip, 450dip)

Invalidate

Invalidate2 (arg0 As android.graphics.Rect)

Invalidate3 (arg0 As Int, arg1 As Int, arg2 As Int, arg3 As Int)

IsInitialized As Boolean

LoadBanner
Load banner Ad.

onInitializationComplete

onInitializationFailed (error As com.unity3d.ads.UnityAds.UnityAdsInitializationError, message As String)

RemoveView

RequestFocus As Boolean

SendToBack

SetBackgroundImage (arg0 As android.graphics.Bitmap) As BitmapDrawable

SetColorAnimated (arg0 As Int, arg1 As Int, arg2 As Int)

SetLayout (arg0 As Int, arg1 As Int, arg2 As Int, arg3 As Int)

SetLayoutAnimated (arg0 As Int, arg1 As Int, arg2 As Int, arg3 As Int, arg4 As Int)

SetVisibleAnimated (arg0 As Int, arg1 As Boolean)

Properties:

Background As android.graphics.drawable.Drawable

Color As Int [write only]

Enabled As Boolean

Height As Int

Left As Int

Padding As Int()

Parent As Object [read only]

Tag As Object

Top As Int

Visible As Boolean

Width As Int

UnityAdsInterstitial

Events:

OnUnityAdsAdLoaded (PlacementID As String)

OnUnityAdsFailedToLoad (Error As String)

OnUnityAdsShowClick (PlacementID As String)

OnUnityAdsShowComplete (PlacementID As String, State As String)

OnUnityAdsShowFailure (Error As String)

OnUnityAdsShowStart (PlacementID As String)

Functions:

InitializeInterstitial (EventName As String, GameID As String, TestMode As Boolean, PlacementID As String)
EventName - Event name
GameID - The Unity Game ID for your Project, located in the developer dashboard.
TestMode - When set to true, only test ads display.
PlacementID - The Placement ID, located on the developer dashboard.
UnityAdsInterstitial.InitializeInterstitial("InterstitialAds", "14851", True, "rewardedVideo")

IsInitialized As Boolean

LoadAd
Load Interstitial/Rewarded Ad.

ShowAd
Show Ad

Add this code to main:

340758:

    #MultiDex: True
    #AdditionalJar: androidx.asynclayoutinflater:asynclayoutinflater
    #AdditionalJar: androidx.collection:collection
    #AdditionalJar: androidx.concurrent:concurrent-futures
    #AdditionalJar: androidx.coordinatorlayout:coordinatorlayout
    #AdditionalJar: androidx.cursoradapter:cursoradapter
    #AdditionalJar: androidx.datastore:datastore
    #AdditionalJar: androidx.documentfile:documentfile
    #AdditionalJar: androidx.fragment:fragment
    #AdditionalJar: androidx.interpolator:interpolator
    #AdditionalJar: androidx.legacy:legacy-support-core-ui
    #AdditionalJar: androidx.legacy:legacy-support-core-utils
    #AdditionalJar: androidx.lifecycle:lifecycle-common
    #AdditionalJar: androidx.lifecycle:lifecycle-livedata
    #AdditionalJar: androidx.lifecycle:lifecycle-livedata-core
    #AdditionalJar: androidx.lifecycle:lifecycle-process
    #AdditionalJar: androidx.lifecycle:lifecycle-runtime
    #AdditionalJar: androidx.lifecycle:lifecycle-runtime-ktx
    #AdditionalJar: androidx.lifecycle:lifecycle-service
    #AdditionalJar: androidx.lifecycle:lifecycle-viewmodel
    #AdditionalJar: androidx.lifecycle:lifecycle-viewmodel-ktx
    #AdditionalJar: androidx.lifecycle:lifecycle-viewmodel-savedstate
    #AdditionalJar: androidx.localbroadcastmanager:localbroadcastmanager
    #AdditionalJar: androidx.print:print
    #AdditionalJar: androidx.profileinstaller:profileinstaller
    #AdditionalJar: androidx.sqlite:sqlite
    #AdditionalJar: androidx.sqlite:sqlite-framework
    #AdditionalJar: androidx.work:work-runtime
    #AdditionalJar: androidx.work:work-runtime-ktx
    #AdditionalJar: androidx.webkit:webkit
    #AdditionalJar: com.google.android.gms:play-services-cronet
    #AdditionalJar: com.google.android.gms:play-services-base
    #AdditionalJar: com.google.android.gms:play-services-basement
    #AdditionalJar: com.google.android.gms:play-services-tasks
    #AdditionalJar: com.google.protobuf:protobuf-java-lite
    #AdditionalJar: com.google.protobuf:protobuf-kotlin-lite
    #AdditionalJar: org.chromium.net:cronet-api
    #AdditionalJar: room-common-2.2.5
    #AdditionalJar: room-runtime-2.2.5.aar

Add this in your manifest:

B4X:

AddManifestText(<queries>
        <intent>
            <action android:name="com.attribution.REFERRAL_PROVIDER" />
        </intent>
    </queries>)

AddApplicationText(<activity
            android:name="com.unity3d.services.ads.adunit.AdUnitActivity"
            android:configChanges="fontScale|keyboard|keyboardHidden|locale|mnc|mcc|navigation|orientation|screenLayout|screenSize|smallestScreenSize|uiMode|touchscreen"
            android:exported="false"
            android:hardwareAccelerated="true"
            android:theme="@android:style/Theme.NoTitleBar.Fullscreen" />
        <activity
            android:name="com.unity3d.services.ads.adunit.AdUnitTransparentActivity"
            android:configChanges="fontScale|keyboard|keyboardHidden|locale|mnc|mcc|navigation|orientation|screenLayout|screenSize|smallestScreenSize|uiMode|touchscreen"
            android:exported="false"
            android:hardwareAccelerated="true"
            android:theme="@android:style/Theme.Translucent.NoTitleBar.Fullscreen" />
        <activity
            android:name="com.unity3d.services.ads.adunit.AdUnitTransparentSoftwareActivity"
            android:configChanges="fontScale|keyboard|keyboardHidden|locale|mnc|mcc|navigation|orientation|screenLayout|screenSize|smallestScreenSize|uiMode|touchscreen"
            android:exported="false"
            android:hardwareAccelerated="false"
            android:theme="@android:style/Theme.Translucent.NoTitleBar.Fullscreen" />
        <activity
            android:name="com.unity3d.services.ads.adunit.AdUnitSoftwareActivity"
            android:configChanges="fontScale|keyboard|keyboardHidden|locale|mnc|mcc|navigation|orientation|screenLayout|screenSize|smallestScreenSize|uiMode|touchscreen"
            android:exported="false"
            android:hardwareAccelerated="false"
            android:theme="@android:style/Theme.NoTitleBar.Fullscreen" />
        <activity
            android:name="com.unity3d.ads.adplayer.FullScreenWebViewDisplay"
            android:configChanges="fontScale|keyboard|keyboardHidden|locale|mnc|mcc|navigation|orientation|screenLayout|screenSize|smallestScreenSize|uiMode|touchscreen"
            android:exported="false"
            android:hardwareAccelerated="true"
            android:theme="@android:style/Theme.NoTitleBar.Fullscreen" />
        <provider
            android:name="androidx.startup.InitializationProvider"
            android:authorities="${applicationId}.androidx-startup" >
            <meta-data
                android:name="androidx.lifecycle.ProcessLifecycleInitializer"
                android:value="androidx.startup" />
            <meta-data
                android:name="com.unity3d.services.core.configuration.AdsSdkInitializer"
                android:value="androidx.startup" />
        </provider>)

Versions:

v4.90

Added new banners: 300x250, 300x300 and 450x450.
Updated example app.

v4.91

Update for original library. Changelog.
Updated example app (Manifest changes).

v4.92

Update for original library. Changelog.

Download library from: https://mega.nz/file/MBxQGQjT#qFjWMIaOk7Umxn74nsBHqT7x-eorzbSBpd6Ue2AUWFU

omo · 2026-05-21T16:12:26+0100

Thank you once again @Erel, I just tested the app again and your solution solves it a go without issues

B4A Library Unity Ads Library

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