I have been trying to implement in-app purchase, following guidelines in
https://www.b4x.com/android/forum/threads/googleplaybilling-in-app-purchases.109945/#content
I have copied all the necessary class from the example project, and set my app with the ID and key (key shortened here to keep legibility).
'--- Billing ---
Public billing As BillingClient
Public AdsRemoved As Boolean
Public const ADS_SDK_ID As String = "com.bujardet.checkprinter" '"android.test.purchased"
Public const BILLING_KEY As String = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlEHo5et/XIqI6r69unK8GAjl.../..."
Public billing As BillingClient
Public InAppSupported As Boolean
The app has been added as in-app purchases in the Play Store:
When I do a test buy while logged with my developer account, I get the test buy dialog:
Now, when I use my buyer account, I get either "This version of the application is not configured for billing through Google Play", or "The item you requested is not available for purchase".
I have read and read again these:
Using Google Play's billing system, you can offer in-app products that charge users on a one-time basis. In-app products can include items like virtual goods (for example, game levels
support.google.com
I don't know what to do. I am probably thick, and am sorry, but I am at a loss, here.
Any help will be most appreciated.