Overview
Set the PrimerHeadlessUniversalCheckoutListener in order to receive different callbacks from Primer SDK.
Callbacks can be used for managing the customer journey and trigger actions after specific events throughout the payment journey. See below for a breakdown of all callbacks supported within the Primer SDK.
onAvailablePaymentMethodsLoaded
This method will return the payment methods that should be displayed based on the current client session data.
123
fun onAvailablePaymentMethodsLoaded( paymentMethods: List<PrimerHeadlessUniversalCheckoutPaymentMethod>)
Parameters
Properties
PrimerPaymentMethodManagerCategory
Indicates that the supported payment method manager for the payment method is PrimerHeadlessUniversalCheckoutNativeUiManager.
Indicates that the supported payment method manager for the payment method is PrimerHeadlessUniversalCheckoutRawDataManager.
Indicates the subclass of the PrimerRawData that must be set using the PrimerHeadlessUniversalCheckoutRawManager.
onCheckoutCompleted
This method will be called when the payment has been completed, returning the payment' data.
This method won't be called when you are using PrimerPaymentHandling.MANUAL flow,
or the PrimerSessionIntent.VAULT session intent.
1fun onCheckoutCompleted(checkoutData: PrimerCheckoutData)Parameters
direct subclasses
direct subclasses
Properties
Properties
onBeforePaymentCreated
This method will be called just before the payment gets created, and lets you decide whether you want to proceed with the payment creation.
This method will be called only when using the PrimerPaymentHandling.AUTO flow.
Please note, that if you override this method, you must call one of the decisionHandler's methods.
1234
fun onBeforePaymentCreated( paymentMethodData: PrimerPaymentMethodData, decisionHandler: PrimerPaymentCreationDecisionHandler)
Parameters
A unique string identifier for the payment method. (e.g. PAYPAL, GOOGLE_PAY)
Methods
Call continuePaymentCreation() when you want to continue with the payment creation.
Call abortPaymentCreation(errorMessage) when you want to abort the payment. Optionally you can provide an error message to get presented on the error screen.
Example
123456789101112
class CheckoutActivity : AppCompatActivity() { // 👇 Add this private val listener = object : PrimerHeadlessUniversalCheckoutListener { // 👇 Add this override fun onBeforePaymentCreated( paymentMethodData: PrimerPaymentMethodData, decisionHandler: PrimerPaymentCreationDecisionHandler ) { decisionHandler.continuePaymentCreation() } } }
onCheckoutAdditionalInfoReceived
This callback is trigger when the payment is not authorized as it’s an asynchronous alternative payment method, such as a voucher payment method.
1fun onCheckoutAdditionalInfoReceived(additionalInfo: PrimerCheckoutAdditionalInfo)direct subclasses
direct subclasses
Properties
Properties
onTokenizeSuccess
This method will be called with the when the payment method has been is tokenized,
returning the payment method's tokenization data. Use the token to create a payment on your backend.
Make sure that you call the decisionHandler once your operation has been completed.
This method will be called when you are using PrimerPaymentHandling.MANUAL flow,
or the PrimerSessionIntent.VAULT session intent.
1234
fun onTokenizeSuccess( paymentMethodTokenData: PrimerPaymentMethodTokenData, decisionHandler: PrimerHeadlessUniversalCheckoutResumeDecisionHandler)
Parameters
Properties
Properties
Properties
Properties
Methods
Call continueWithNewClientToken when the payment has entered in a PENDING state and a required action client token has been provided.
Example
12345678910111213141516171819202122
class CheckoutActivity : AppCompatActivity() { // 👇 Add this private val listener = object : PrimerHeadlessUniversalCheckoutListener { // 👇 Add this override fun onTokenizeSuccess( paymentMethodTokenData: PrimerPaymentMethodTokenData, decisionHandler: PrimerResumeDecisionHandler ) { // Create your payment val paymentResponse = //... val paymentResponse = //... if (paymentResponse.isSuccessful()) { // 👇 Show the success screen, fulfill the order etc.. } else if (paymentResponse.isPending()) { // 👇 Call the decisionHandler with the new client token to continue the flow decisionHandler.continueWithNewClientToken(paymentResponse.requiredAction.clientToken) } else { // 👇 Show the error screen, retry payment... } } }}
onCheckoutResume
This method will be called providing a resumeToken so you can resume the payment.
This method will be called when you are using PrimerPaymentHandling.MANUAL flow
and when the payment is in a PENDING state.
1fun onCheckoutResume(resumeToken: String, decisionHandler: PrimerHeadlessUniversalCheckoutResumeDecisionHandler)Parameters
parameters
Methods
Call continueWithNewClientToken when the payment has entered in a PENDING state and a required action client token has been provided.
Example
123456789101112131415161718192021
class CheckoutActivity : AppCompatActivity() { // 👇 Add this private val listener = object : PrimerHeadlessUniversalCheckoutListener { // 👇 Add this override fun onResumeSuccess( resumeToken: String, decisionHandler: PrimerResumeDecisionHandler ) { // Resume your payment val paymentResponse = //... if (paymentResponse.isSuccessful()) { // 👇 Show the success screen, fulfill the order etc.. } else if (paymentResponse.isPending()) { // 👇 Call the decisionHandler with the new client token to continue the flow decisionHandler.continueWithNewClientToken(paymentResponse.requiredAction.clientToken) } else { // 👇 Show the error screen, retry payment... } } }}
onResumePending
This callback is trigger when the payment is not authorized as it’s an asynchronous alternative payment method, such as a voucher payment method.
This method will be called only when using the PrimerPaymentHandling.MANUAL flow.
1fun onResumePending(additionalInfo: PrimerCheckoutAdditionalInfo)Parameters
direct subclasses
direct subclasses
Properties
Properties
onBeforeClientSessionUpdated
This method will be called to notify you that the client session will be updated, e.g. a surcharge needs to be applied when a payment method has been chosen.
1fun onBeforeClientSessionUpdated()onClientSessionUpdated
This method will be called to notify you that the client session has been updated, e.g. surcharge has been applied when a payment method has been chosen.
1fun onClientSessionUpdated(clientSession: PrimerClientSession)Parameters
onFailed
This method will be called when an error occurs. It may return PrimerCheckoutData if the error occurs after the payment creation.
1fun onFailed(error: PrimerError, checkoutData: PrimerCheckoutData?)