BillingResponseCode

Annotation class that represents the possible values in a general response of the Android Billing SDK.

Name	Value	Description
FEATURE_NOT_SUPPORTED	-2	Feature requested is not supported for the current Billing SDK Version, Billing Service or any of the User parameters (eg: `device`).
OK	0	Success.
USER_CANCELED	1	User pressed back or canceled the interaction.
SERVICE_UNAVAILABLE	2	The network connection is down.
BILLING_UNAVAILABLE	3	This billing API version is not supported for the type requested.
ITEM_UNAVAILABLE	4	Requested SKU is not available for purchase.
DEVELOPER_ERROR	5	Invalid arguments provided to the API or incorrect invocation of the Methods.
ERROR	6	Fatal error during the API action.
ITEM_ALREADY_OWNED	7	Failure to purchase since item is already owned.
ITEM_NOT_OWNED	8	Failure to consume since item is not owned.