isProductPurchased static method
Checks whether a product is actively purchased or not.
With calling isProductPurchased method of the SDK you can check whether a product is purchased or not. Once you query a product with productId, a boolean response comes back.
True means that the product is purchased. After consumption, it will respond a false value. These are accepted as purchased:
- Purchased but not consumed consumable products.
- Non-consumable products.
- Ongoing subscription products.
productId
Id of the product to be checked.
Callbacks boolean
and GenericError in case of failure.
Implementation
static Future<BaseResponse> isProductPurchased(String productId) async {
List<Object?>? response = await _channel
.invokeMethod('isProductPurchased', {"productId": productId});
BaseResponse result = new BaseResponse(false, null);
if (response != null) {
if (response[0] != null) {
result = new BaseResponse(response[0].toString() == "true", null);
}
if (response[1] != null) {
GenericError error =
GenericError.fromJson(json.decode(response[1]!.toString()));
result = new BaseResponse(false, error);
}
return result;
}
return result;
}