iap
Version: stable
Functions
iap.buy()
iap.buy(id,options)
Purchase a product.
PARAMETERS
id |
string |
product to buy |
options |
table |
optional parameters as properties. The following parameters can be set
request_id |
string |
Facebook only [icon:facebook]. Optional custom unique request id to set for this transaction. The id becomes attached to the payment within the Graph API. |
token |
string |
Google Play only [icon:googleplay]. Which subscription offer to use when buying a subscription. The token can be retrieved from the subscriptions table returned when calling iap.list() |
|
EXAMPLES
local function iap_listener(self, transaction, error)
if error == nil then
-- purchase is successful.
print(transaction.date)
-- required if auto finish transactions is disabled in project settings
if (transaction.state == iap.TRANS_STATE_PURCHASED) then
-- do server-side verification of purchase here..
iap.finish(transaction)
end
else
print(error.error, error.reason)
end
end
function init(self)
iap.set_listener(iap_listener)
iap.buy("my_iap")
end
iap.finish()
iap.finish(transaction)
Explicitly finish a product transaction. [icon:attention] Calling iap.finish is required on a successful transaction if `auto_finish_transactions` is disabled in project settings. Calling this function with `auto_finish_transactions` set will be ignored and a warning is printed. The `transaction.state` field must equal `iap.TRANS_STATE_PURCHASED`.
PARAMETERS
transaction |
table |
transaction table parameter as supplied in listener callback |
iap.acknowledge()
iap.acknowledge(transaction)
Acknowledge a transaction. [icon:attention] Calling iap.acknowledge is required on a successful transaction on Google Play unless iap.finish is called. The transaction.state field must equal iap.TRANS_STATE_PURCHASED.
PARAMETERS
transaction |
table |
transaction table parameter as supplied in listener callback |
iap.get_provider_id()
iap.get_provider_id()
Get current iap provider
PARAMETERS
None
RETURNS
constant |
|
one of the following values
- `iap.PROVIDER_ID_GOOGLE`
- `iap.PROVIDER_ID_AMAZON`
- `iap.PROVIDER_ID_APPLE`
- `iap.PROVIDER_ID_FACEBOOK` |
iap.list()
iap.list(ids,callback)
Get a list of all avaliable iap products.
PARAMETERS
ids |
table |
table (array) of identifiers to get products from |
callback |
function |
result callback taking the following parameters
self |
object |
The current object. |
products |
table |
a table describing the available iap products.
ident |
string |
The product identifier. |
title |
string |
The product title. |
description |
string |
The product description. |
price |
number |
The price of the product. For Google Play [icon:googleplay] this is used only for in-app products |
price_string |
string |
The price of the product, as a formatted string (amount and currency symbol). For Google Play [icon:googleplay] this is used only for in-app products |
currency_code |
string |
The currency code. For Google Play [icon:googleplay] this is the merchant's locale, instead of the user's. For Google Play [icon:googleplay] this is used only for in-app products |
subscriptions |
table |
Only available for Google Play [icon:googleplay]. List of subscription offers. Each offer contains a token and a list of price and billing options. See https://developer.android.com/reference/com/android/billingclient/api/ProductDetails.PricingPhase
token |
string |
The token associated with the pricing phases for the subscription. |
pricing |
table |
The pricing phases for the subscription.
price_string |
string |
Formatted price for the payment cycle, including currency sign. |
price |
number |
Price of the payment cycle in micro-units. |
currency_code |
string |
ISO 4217 currency code |
billing_period |
string |
Billing period of the payment cycle, specified in ISO 8601 format |
billing_cycle_count |
number |
Number of cycles for which the billing period is applied. |
recurrence_mode |
string |
FINITE, INFINITE or NONE |
|
|
|
error |
table |
a table containing error information. `nil` if there is no error. - `error` (the error message) |
|
EXAMPLES
local function iap_callback(self, products, error)
if error == nil then
for k,p in pairs(products) do
-- present the product
print(p.title)
print(p.description)
end
else
print(error.error)
end
end
function init(self)
iap.list({"my_iap"}, iap_callback)
end
iap.restore()
iap.restore()
Restore previously purchased products.
PARAMETERS
None
RETURNS
boolean |
|
value is `true` if current store supports handling restored transactions, otherwise `false`. |
iap.set_listener()
iap.set_listener(listener)
Set the callback function to receive purchase transaction events.
PARAMETERS
listener |
function |
listener callback function. Pass an empty function if you no longer wish to receive callbacks.
self |
object |
The current object. |
transaction |
table |
a table describing the transaction.
ident |
string |
The product identifier. |
state |
string |
The transaction state. One of the following
- `iap.TRANS_STATE_FAILED`
- `iap.TRANS_STATE_PURCHASED`
- `iap.TRANS_STATE_PURCHASING`
- `iap.TRANS_STATE_RESTORED`
- `iap.TRANS_STATE_UNVERIFIED` |
date |
string |
The date and time for the transaction. |
trans_ident |
string |
The transaction identifier. This field is only set when `state` is `TRANS_STATE_RESTORED`, `TRANS_STATE_UNVERIFIED` or `TRANS_STATE_PURCHASED`. |
receipt |
string |
The transaction receipt. This field is only set when `state` is `TRANS_STATE_PURCHASED` or `TRANS_STATE_UNVERIFIED`. |
original_trans |
string |
Apple only [icon:apple]. The original transaction. This field is only set when `state` is `TRANS_STATE_RESTORED`. |
original_json |
string |
Android only [icon:android]. The purchase order details in JSON format. |
signature |
string |
Google Play only [icon:googleplay]. A string containing the signature of the purchase data that was signed with the private key of the developer. |
request_id |
string |
Facebook only [icon:facebook]. This field is set to the optional custom unique request id `request_id` if set in the `iap.buy()` call parameters. |
user_id |
string |
Amazon Pay only [icon:amazon]. The user ID. |
is_sandbox_mode |
boolean |
Amazon Pay only [icon:amazon]. If `true`, the SDK is running in Sandbox mode. This only allows interactions with the Amazon AppTester. Use this mode only for testing locally. |
cancel_date |
string |
Amazon Pay only [icon:amazon]. The cancel date for the purchase. This field is only set if the purchase is canceled. |
canceled |
string |
Amazon Pay only [icon:amazon]. Is set to `true` if the receipt was canceled or has expired; otherwise `false`. |
|
error |
table |
a table containing error information. `nil` if there is no error. `error` - the error message. `reason` - the reason for the error, value can be one of the following constants
- `iap.REASON_UNSPECIFIED`
- `iap.REASON_USER_CANCELED` |
|
Constants
PROVIDER_ID_AMAZON
provider id for Amazon
PROVIDER_ID_APPLE
provider id for Apple
PROVIDER_ID_FACEBOOK
provider id for Facebook
PROVIDER_ID_GOOGLE
iap provider id for Google
REASON_UNSPECIFIED
unspecified error reason
REASON_USER_CANCELED
user canceled reason
TRANS_STATE_FAILED
transaction failed state
TRANS_STATE_PURCHASED
transaction purchased state
TRANS_STATE_PURCHASING
transaction purchasing state This is an intermediate mode followed by TRANS_STATE_PURCHASED. Store provider support dependent.
TRANS_STATE_RESTORED
transaction restored state This is only available on store providers supporting restoring purchases.
TRANS_STATE_UNVERIFIED
transaction unverified state, requires verification of purchase