purchaseProduct
fun purchaseProduct( activity: Activity, storeProduct: StoreProduct, upgradeInfo: UpgradeInfo, listener: ProductChangeCallback)
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Make a purchase upgrading from a previous sku.
Parameters
activity
Current activity
storeProduct
The StoreProduct of the product you wish to purchase
upgradeInfo
The upgradeInfo you wish to upgrade from, containing the oldSku and the optional prorationMode. Amazon Appstore doesn't support changing products so upgradeInfo is ignored for Amazon purchases.
listener
The PurchaseCallback that will be called when purchase completes.
fun purchaseProduct( activity: Activity, storeProduct: StoreProduct, callback: PurchaseCallback)
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Make a purchase.
Parameters
activity
Current activity
storeProduct
The StoreProduct of the product you wish to purchase
callback
The PurchaseCallback that will be called when purchase completes.