Android in app purchases broke from UE5.2 to 5.4

[Herlehos]

Hello, there is no solution at the moment, except using the source engine.

This bug exists since 1.5 year and Epic refuses to fix it.

500×500 2.84 KB

Crash calling Start an In-App Purchase in Blueprints in Unreal 5.3. Make an In-App Purchase v2 also crashes with the same error. In Unreal 4.27 Make an In-App Purchase v2 works fine. When I use UE 5.3 and Android Target SDK 29 it works perfectly. When I upgrade to Target SDK >=30 a Java JNI crash occurs. The call inside of: AndroidJNI.cpp: AndroidThunkCpp_Iap_BeginPurchase() → FJavaHelper::ToJavaStringArray() is failing on this call: jclass JavaStringClass = AndroidJavaEnv::FindJavaClass…

UE 5.3 Mobile Developer get In-App purchases working without crash on Android

Hello, I am using UE 5.3 and trying to implement in app purchases. Signing in to Google Play and Leaderboards work but the second any of the 2 in app purchases nodes are called, the app crashes. There isn’t anything online about this issue. I have tried different Android Studio versions, different SDK versions, different NDK versions, different JDK versions and still no luck! I am using Blueprints not C++. Error from log: Assertion failed: false && “Java JNI call failed with an exception.” [F…

500×500 2.84 KB

I’m trying for weeks now to implement in-app purchases for a huge update in my game. But the Start In app purchase (and also the deprecated make in app purchase) always fails. Also i’m getting fake IAP items in my game and not the real ones that i have in my google console I’ve did these steps below: Added [OnlineSubsystem] DefaultPlatformService=GooglePlay [OnlineSubsystemGooglePlay.Store] bSupportsInAppPurchasing=True To DefaultEngine.ini and Config/Android/AndroidEngine.ini Tried show…