1234567

repositories {  mavenCentral()}
dependencies {  implementation 'io.primer:android:latest.version'}

12345

android {    kotlinOptions {        freeCompilerArgs += '-Xjvm-default=all'    }}

123456789101112131415161718192021

class CheckoutActivity : AppCompatActivity() {
  private val listener = object : PrimerHeadlessUniversalCheckoutListener {
    // 👇 [Required] This function will return the list of payment methods    override fun onAvailablePaymentMethodsLoaded(paymentMethods: List<PrimerHeadlessUniversalCheckoutPaymentMethod>) {      // Use it to enable users to select a payment method    }
    // 👇 [Required] This function is called when the checkout has been completed    override fun onCheckoutCompleted(checkoutData: PrimerCheckoutData) {      // Show an order confirmation screen, fulfil the order...      // checkoutData contains the payment that has been created    }
    // 👇 [Required] This function is called if something goes wrong    override fun onFailed(error: PrimerError, checkoutData: PrimerCheckoutData?) {      // your custom method to show an error view    }  }}

123456789101112131415161718192021222324

class CheckoutActivity : AppCompatActivity() {
  // other code goes here  private val listener = object : PrimerHeadlessUniversalCheckoutListener {    // ...  }
  private fun setupObservers() {    viewModel.clientToken.observe(this) { clientToken ->      // Start the headless checkout session upon reception of the client token      startHeadlessUniversalCheckout(clientToken)    }  }
  private fun startHeadlessUniversalCheckout(clientToken: String) {    // 👇 Start Headless Universal Checkout with your session's client token    PrimerHeadlessUniversalCheckout.current.start(      this,      clientToken,      PrimerSettings(),      listener,    )  }}

12345678910111213

private val listener = object : PrimerHeadlessUniversalCheckoutListener {
  override fun onAvailablePaymentMethodsLoaded(    paymentMethods: List<PrimerHeadlessUniversalCheckoutPaymentMethod>  ) {    paymentMethods.forEach { setupPaymentMethod(it.paymentMethodType) }  }}
// your custom method to render list of payment method buttons UI.private fun setupPaymentMethod(paymentMethodType: String) {  // implement payment method UI}

123456789101112131415161718192021222324252627282930313233343536373839404142434445

private val listener = object : PrimerHeadlessUniversalCheckoutListener {
  override fun onAvailablePaymentMethodsLoaded(    paymentMethods: List<PrimerHeadlessUniversalCheckoutPaymentMethod>  ) {    paymentMethods.forEach { setupPaymentMethod(it.paymentMethodType) }  }}
// your custom method to render the list of payment method buttonsprivate fun setupPaymentMethod(paymentMethodType: String) {  val paymentMethodResource = try {    // 👇 Retrieve the assets of a specific payment method    PrimerHeadlessUniversalCheckoutAssetsManager.getPaymentMethodResource(      this,      paymentMethodType    )  } catch (e: SdkUninitializedException) {    null  }
  when (paymentMethodResource) {    is PrimerPaymentMethodAsset -> {      // 👇 Example of setting background color for your button      paymentMethodResource.paymentMethodBackgroundColor.colored?.let { color ->        setBackgroundColor(color)      }
      // 👇 Example of setting drawable for your button      paymentMethodResource.paymentMethodLogo.colored?.let { drawable ->        setImageDrawable(drawable)      }    }
    is PrimerPaymentMethodNativeView -> {      val paymentMethodView = paymentMethodResource.createView(        requireContext()      )    }
    null -> {      // this should never happen in case SDK is initialized    }  }}

12345678910111213141516171819202122

class CheckoutActivity : AppCompatActivity() {    // other code goes here    private fun onPaymentMethodSelected(      paymentMethodType: String,      sessionIntent: PrimerSessionIntent    ) {      try {        // 👇 Create the payment method manager        val nativeUiManager =          PrimerHeadlessUniversalCheckoutNativeUiManager.newInstance(paymentMethodType)
        // 👇 Show the payment method        nativeUiManager.showPaymentMethod(this, sessionIntent)      } catch (e: SdkUninitializedException) {        // handle exception      } catch (e: UnsupportedPaymentIntentException) {        // handle exception      } catch (e: UnsupportedPaymentMethodException) {        // handle exception      }    }}

123456789101112131415161718192021222324252627282930

class CheckoutActivity : AppCompatActivity() {
    // val submitButton = findViewById<Button>(R.id.pay_with_card)
    private lateinit var rawDataManager: PrimerHeadlessUniversalCheckoutRawDataManagerInterface
    private val rawDataManagerListener: PrimerHeadlessUniversalCheckoutRawDataManagerListener =        object : PrimerHeadlessUniversalCheckoutRawDataManagerListener {            override fun onValidationChanged(                isValid: Boolean,                errors: List<PrimerInputValidationError>            ) {            }        }
    private fun setupManager(paymentMethodType: String) {        try {            // 👇 Initialize the raw data manager            rawDataManager =                PrimerHeadlessUniversalCheckoutRawDataManager.newInstance(paymentMethodType)
            // 👇 Set the manager listener            rawDataManager.setListener(rawDataManagerListener)        } catch (e: SdkUninitializedException) {            // handle exception        } catch (e: UnsupportedPaymentMethodException) {            // handle exception        }    }}

123456789101112131415161718192021222324252627282930313233

class CheckoutActivity : AppCompatActivity() {
  private fun createForm(paymentMethodType: String) {    // 👇 Get the list of input fields to render    val requiredInputElementTypes = rawDataManager.getRequiredInputElementTypes()    // simple example of creating inputs based on type    val inputElements = requiredInputElementTypes.map { type ->      TextInputLayout(this).apply {        tag = type        hint = type.name        addView(TextInputEditText(context).apply {          id = View.generateViewId()          doAfterTextChanged {            rawDataManager.setRawData(getRawData(paymentMethodType))          }          layoutParams = LinearLayout.LayoutParams(            LinearLayout.LayoutParams.MATCH_PARENT,            LinearLayout.LayoutParams.WRAP_CONTENT,          )        })      }    }
    val formContainer = findViewById<ViewGroup>(R.id.formContainer)
    inputElements.forEach { formContainer.addView(it) }  }
  private fun getInputTypeValue(inputElementType: PrimerInputElementType) =      findViewById<ViewGroup>(R.id.formContainer).findViewWithTag<TextInputLayout>(          inputElementType      ).editText?.text?.trim().toString()}

123456789

data class PrimerCardData(    val cardNumber: String, // e.g. 4242424242424242    val expiryDate: String, // e.g. 01/2024, 1/2024, 12/2024...    val cvv: String, // e.g. 244    val cardholderName: String? = null,)
// 👇 Set your raw data on the managerrawDataManager.setRawData(getRawData(paymentMethodType))

1234567891011

private val rawDataManagerListener: PrimerHeadlessUniversalCheckoutRawDataManagerListener =  object : PrimerHeadlessUniversalCheckoutRawDataManagerListener {    // 👇 Implement the validation function to receive updates on the raw data validation changes    override fun onValidationChanged(      isValid: Boolean,      errors: List<PrimerInputValidationError>    ) {      // Enable your submit button when `isValid == true`      submitButton.isEnabled = isValid    }  }

12

// 👇 Submit the data that have been set in prior stepssubmitButton.setOnClickListener { rawDataManager.submit() }

1

rawDataManager.cleanup()

12345

private val listener = object : PrimerHeadlessUniversalCheckoutUiListener {  override fun onPreparationStarted(paymentMethodType: String) {    // e.g. show a loading screen.  }}

12345

private val listener = object : PrimerHeadlessUniversalCheckoutListener {    override fun onTokenizationStarted(paymentMethodType: String) {        // e.g. hide a loading screen.    }}

12345

private val listener = object : PrimerHeadlessUniversalCheckoutUiListener {    override fun onPaymentMethodShowed(paymentMethodType: String) {        // e.g. hide a loading screen.    }}

123456

private val listener = object : PrimerHeadlessUniversalCheckoutListener {    override fun onFailed(error: PrimerError, checkoutData: PrimerCheckoutData?) {        // your custom method to show an error view        showErrorView(error)    }}