Fail to reg listener to AppStateEventNotifier.AppStateChanged

[Tran Tri]

iI try to show some ads on my unity app, when i try add listener to AppStateEventNotifier.AppStateChanged for show App open ads, but it always throw exception below:

2024/12/24 16:49:35.799 13091 13110 Error Unity Caused by: java.lang.ClassNotFoundException: androidx.lifecycle.DefaultLifecycleObserver

I use unity 6 (lts verion), 

goolge mobile ads 9.4.0 (i tried update lastest version but nothing change)

any help?

[Mobile Ads SDK Forum Advisor]

Hi,

Our sample app runs without an issue on both iOS and Android, and displays the app state correctly when going background and foreground. Please review your implementation or use our sample app as a reference. If you are still encountering problems, please provide us a sample project demonstrating the issue.
 

This message is in relation to case "ref:!00D1U01174p.!5004Q02vGqPZ:ref" (ADR-00279752)

Thanks,
 

Mobile Ads SDK Team

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