我正在使用James的Plugin.InAppBilling库进行iOS和Android订阅。到目前为止,它基本上是正确工作的,只是偶尔在iOS上,InAppBillingPurchase.PurchaseToken从对PurchaseAsync和GetPurchasesAsync的调用中返回null。var purchases = await CrossInAppBilling.Current.GetPurchasesAsync(ItemType.Subscription);
// Sometimes we receive purcha