ProcessPurchase Not Called on Android after Background Purchase Completion

[chinhnt-imobility]

It seems the issue was happen in long time, but it still not get fixed

Google Play UserCancelled returned although purchase was successful

Description of your issue Initiate a consumable purchase on Google Play Press the X button or tap off of the native payment dialog window and rapidly press the "1-tap buy" button at the same time. Notice that OnPurchaseFailed was called with the UserCancelled status Attempt to purchase the same consumable product Notice that you receive the native payment dialog error window that states "You already own this item." Notice that OnPurchaseFailed was called with the DuplicateTransaction stat…