Private Sub B4XPage_Created (Root1 As B4XView)
...
RestorePurchases
...
End Sub
Private Sub RestorePurchases
Wait For (billing.ConnectIfNeeded) Billing_Connected (Result As BillingResult)
If Result.IsSuccess Then
Wait For (billing.QueryPurchases("inapp")) Billing_PurchasesQueryCompleted (Result As BillingResult, Purchases As List)
Log("Query completed: " & Result.IsSuccess)
If Result.IsSuccess Then
For Each p As Purchase In Purchases
If p.Sku.StartsWith("bse.echocalc.donate") Then HandleAdsPurchase(p)
Next
End If
End If
End Sub
Public Sub PurchaseDonation (sProductID As String)
' called from a menu click on a page
'make sure that the store service is connected
Wait For (billing.ConnectIfNeeded) Billing_Connected (Result As BillingResult)
If Result.IsSuccess Then
'get the sku details
Dim sf As Object = billing.QuerySkuDetails("inapp", Array(sProductID))
Wait For (sf) Billing_SkuQueryCompleted (Result As BillingResult, SkuDetails As List)
If Result.IsSuccess Then
If SkuDetails.Size >= 1 Then
Result = billing.LaunchBillingFlow(SkuDetails.Get(0))
If Result.IsSuccess Then Return
End If
End If
End If
ToastMessageShow("Error starting billing process", True)
End Sub
Sub billing_PurchasesUpdated (Result As BillingResult, Purchases As List)
'This event will be raised when the status of one or more of the purchases has changed.
'It will usually happen as a result of calling LaunchBillingFlow however it can be called in other cases as well.
If Result.IsSuccess Then
For Each p As Purchase In Purchases
If p.Sku.StartsWith("bse.echocalc.donate") Then
HandleAdsPurchase(p)
Else
Log("Unexpected product: " & p.Sku)
End If
Next
End If
End Sub
Private Sub HandleAdsPurchase (p As Purchase)
Dim dDonated As Double
Dim sValue As String
If p.PurchaseState <> p.STATE_PURCHASED Then Return
'Verify the purchase signature.
'This cannot be done with the test id.
If (p.Sku.StartsWith("bse.echocalc.donate") = False) And (billing.VerifyPurchase(p, BILLING_KEY) = False) Then
Log("Invalid purchase")
Return
End If
'we either acknowledge the product or consume it.
'If p.IsAcknowledged = False Then
'Wait For (billing.AcknowledgePurchase(p.PurchaseToken, "")) Billing_AcknowledgeCompleted (Result As BillingResult)
'Log("Acknowledged: " & Result.IsSuccess)
'End If
'SKU = bse.echocalc.donate2 or bse.echocalc.donate5 or bse.echocalc.donate10
sValue = p.Sku.SubString (19)
If IsNumber (sValue) Then
wait For (billing.Consume(p.PurchaseToken, "")) Billing_ConsumeCompleted (Result As BillingResult)
Log("Consumed: " & Result.IsSuccess)
dDonated = Assets.GetSetting ("Donated")
dDonated = dDonated + sValue
Assets.SetSetting ("Donated", dDonated)
Log("Donation confirmed")
Patient.UpdateDonationStatus
Else
Log("Error with purchase: " & p.Sku)
End If
End Sub
