I’m probably misunderstanding this, but I’m trying the Appstore Billing Compatibility SDK with my existing Google Play Kotlin code. It has a declaration on ProductDetailsResponseListener as follows: override fun onProductDetailsResponse(billingResult: BillingResult, productDetailsList: MutableList<…

Hi eggheadgames, Thank you for your patience with this issue. We got the confirmation that even though Billing Compatibility SDK strives to create similar interfaces as that of Google, but it might not be able to do so always. In this case, Product details can be null. This occurs when the SDK is u…

Billing Compatibility SDK onProductDetailsResponse returning NULL ProductDetails

Fire Devices & Appstore Q&A

system Closed May 23, 2024, 7:21am 11

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Changelog for appstore-billing-compatibility-4.2.0?

Topic		Replies	Views
Changelog for appstore-billing-compatibility-4.2.0? Q&A appstore-iap	4	102	June 14, 2025
Please congratulate the Billing Compatibility SDK team Q&A appstore-sdk	2	243	May 31, 2024
Appstore-billing-compatibility with Google version 8.0.0 Q&A appstore-iap	5	144	October 13, 2025
Receipt is null (Amazon Appstore DevTest for IAP) Q&A	14	73	December 15, 2025
Testing Amazon Billing Compatibility SDK integration without LAT Q&A appstore-iap	2	81	February 14, 2025

Billing Compatibility SDK onProductDetailsResponse returning NULL ProductDetails

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