I get a ClassNotFoundException when using flutter_native_admob

[d0mmi]

When the App tries to display the ad i get an ClassNotFoundException:

E/MethodChannel#flutter/platform_views( 6591): android.view.InflateException: Binary XML file line #5 in com.araapp.ara_app:layout/native_admob_banner_view: Binary XML file line #5 in com.araapp.ara_app:layout/native_admob_banner_view: Error inflating class com.google.android.gms.ads.formats.UnifiedNativeAdView
E/MethodChannel#flutter/platform_views( 6591): Caused by: android.view.InflateException: Binary XML file line #5 in com.araapp.ara_app:layout/native_admob_banner_view: Error inflating class com.google.android.gms.ads.formats.UnifiedNativeAdView
E/MethodChannel#flutter/platform_views( 6591): Caused by: java.lang.ClassNotFoundException: com.google.android.gms.ads.formats.UnifiedNativeAdView
E/MethodChannel#flutter/platform_views( 6591):  at java.lang.Class.classForName(Native Method)
E/MethodChannel#flutter/platform_views( 6591):  at java.lang.Class.forName(Class.java:454)
E/MethodChannel#flutter/platform_views( 6591):  at android.view.LayoutInflater.createView(LayoutInflater.java:815)
E/MethodChannel#flutter/platform_views( 6591):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:1006)
E/MethodChannel#flutter/platform_views( 6591):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:961)
E/MethodChannel#flutter/platform_views( 6591):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:1123)
E/MethodChannel#flutter/platform_views( 6591):  at android.view.LayoutInflater.inflate(LayoutInflater.java:656)
E/MethodChannel#flutter/platform_views( 6591):  at android.view.LayoutInflater.inflate(LayoutInflater.java:534)
E/MethodChannel#flutter/platform_views( 6591):  at com.nover.flutternativeadmob.NativeAdView.<init>(NativeAdView.kt:52)
E/MethodChannel#flutter/platform_views( 6591):  at com.nover.flutternativeadmob.NativeAdView.<init>(NativeAdView.kt:23)
E/MethodChannel#flutter/platform_views( 6591):  at com.nover.flutternativeadmob.NativePlatformView.<init>(FlutterNativeAdmobPlugin.kt:97)
E/MethodChannel#flutter/platform_views( 6591):  at com.nover.flutternativeadmob.ViewFactory.create(FlutterNativeAdmobPlugin.kt:76)
E/MethodChannel#flutter/platform_views( 6591):  at io.flutter.plugin.platform.SingleViewPresentation.onCreate(SingleViewPresentation.java:186)
E/MethodChannel#flutter/platform_views( 6591):  at android.app.Dialog.dispatchOnCreate(Dialog.java:421)
E/MethodChannel#flutter/platform_views( 6591):  at android.app.Dialog.show(Dialog.java:315)
E/MethodChannel#flutter/platform_views( 6591):  at android.app.Presentation.show(Presentation.java:250)
E/MethodChannel#flutter/platform_views( 6591):  at io.flutter.plugin.platform.VirtualDisplayController.<init>(VirtualDisplayController.java:95)
E/MethodChannel#flutter/platform_views( 6591):  at io.flutter.plugin.platform.VirtualDisplayController.create(VirtualDisplayController.java:48)
E/MethodChannel#flutter/platform_views( 6591):  at io.flutter.plugin.platform.PlatformViewsController$1.createVirtualDisplayForPlatformView(PlatformViewsController.java:207)
E/MethodChannel#flutter/platform_views( 6591):  at io.flutter.embedding.engine.systemchannels.PlatformViewsChannel$1.create(PlatformViewsChannel.java:104)
E/MethodChannel#flutter/platform_views( 6591):  at io.flutter.embedding.engine.systemchannels.PlatformViewsChannel$1.onMethodCall(PlatformViewsChannel.java:59)
E/MethodChannel#flutter/platform_views( 6591):  at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:233)
E/MethodChannel#flutter/platform_views( 6591):  at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:85)
E/MethodChannel#flutter/platform_views( 6591):  at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:818)
E/MethodChannel#flutter/platform_views( 6591):  at android.os.MessageQueue.nativePollOnce(Native Method)
E/MethodChannel#flutter/platform_views( 6591):  at android.os.MessageQueue.next(MessageQueue.java:336)
E/MethodChannel#flutter/platform_views( 6591):  at android.os.Looper.loop(Looper.java:174)
E/MethodChannel#flutter/platform_views( 6591):  at android.app.ActivityThread.main(ActivityThread.java:7356)
E/MethodChannel#flutter/platform_views( 6591):  at java.lang.reflect.Method.invoke(Native Method)
E/MethodChannel#flutter/platform_views( 6591):  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
E/MethodChannel#flutter/platform_views( 6591):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
E/MethodChannel#flutter/platform_views( 6591): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.ads.formats.UnifiedNativeAdView" on path: DexPathList[[zip file "/data/app/com.araapp.ara_app-QtmvM_hijlpxjPpcLK-2yA==/base.apk"],nativeLibraryDirectories=[/data/app/com.araapp.ara_app-QtmvM_hijlpxjPpcLK-2yA==/lib/x86, /data/app/com.araapp.ara_app-QtmvM_hijlpxjPpcLK-2yA==/base.apk!/lib/x86, /system/lib, /system/product/lib]]
E/MethodChannel#flutter/platform_views( 6591):  at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:196)
E/MethodChannel#flutter/platform_views( 6591):  at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
E/MethodChannel#flutter/platform_views( 6591):  at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
E/MethodChannel#flutter/platform_views( 6591):  ... 31 more

I am using version flutter_native_admob: "2.1.0+3" i have these dependencies in the android/build.gradle

dependencies {
        classpath 'com.android.tools.build:gradle:4.1.0'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'com.google.gms:google-services:4.3.0'
    }

i have the apply plugin at the end of the app/build.gradle: apply plugin: 'com.google.gms.google-services' and i have a correct APPLICATION_ID in the Android Manifest and a valid adUnitID for the nativeAd am i still missing something?

[ghost]

Facing same issue here !🤔🧐

[sanchaykasturey]

Hi @d0mmi, are you using google_mobile_ads package in your app?

[d0mmi]

Hi @d0mmi, are you using google_mobile_ads package in your app?

no, should i? i use:

  expandable: ^5.0.1
  awesome_dialog:
  titled_navigation_bar: ^4.1.0
  http: 0.13.0
  cached_network_image:
  shared_preferences:
  swipe_stack: ^1.0.0
  firebase_core:
  firebase_analytics:
  flutter_native_admob: "2.1.0+3"
  carousel_slider: ^2.2.1

[sanchaykasturey]

Hi @d0mmi, are you using google_mobile_ads package in your app?

no, should i? i use:

  expandable: ^5.0.1
  awesome_dialog:
  titled_navigation_bar: ^4.1.0
  http: 0.13.0
  cached_network_image:
  shared_preferences:
  swipe_stack: ^1.0.0
  firebase_core:
  firebase_analytics:
  flutter_native_admob: "2.1.0+3"
  carousel_slider: ^2.2.1

You can use it for native ads, its just complex as compared to what you will be doing with this package but it works. You can use it.

[d0mmi]

You can use it for native ads, its just complex as compared to what you will be doing with this package but it works. You can use it.

Yeah i wanted to avoid that, but if i can not fix this error i will switch to that

[ramonpaolo]

@d0mmi hi bro, i have the same problem here.... How you fixed it?

[d0mmi]

@d0mmi hi bro, i have the same problem here.... How you fixed it?

I could not fix it

[hicnar]

@d0mmi, @ramonpaolo @hussam132 There are plenty of forks where this problem (and some others) are fixed. You can try from my copy.

[frostextreme11]

@d0mmi, @ramonpaolo @hussam132 There are plenty of forks where this problem (and some others) are fixed. You can try from my copy.

hi @hicnar thank you, this fix my problem :D