Klarna による支払い方法を受け付ける

plugins {
    id("com.android.application")
}

android { ... }

dependencies {
  // ...

  // Stripe Android SDK
  implementation("com.stripe:stripe-android:21.17.0")
  // Include the financial connections SDK to support US bank account as a payment method
  implementation("com.stripe:financial-connections:21.17.0")
}

import com.stripe.android.PaymentConfiguration

class MyApp : Application() {
    override fun onCreate() {
        super.onCreate()
        PaymentConfiguration.init(
            applicationContext,
            
"pk_test_TYooMQauvdEDq54NiTphI7jx"
        )
    }
}

curl https://api.stripe.com/v1/payment_intents \
  -u "
sk_test_BQokikJOvBiI2HlWgH4olfQ2
:" \
  -d "payment_method_types[]"=klarna \
  -d amount=1099 \
  -d currency=eur

class KlarnaPaymentActivity: AppCompatActivity() {
    private lateinit var paymentIntentClientSecret: String

    override fun onCreate(savedInstanceState: Bundle?) {
        // ...
        startCheckout()
    }


    private fun startCheckout() {
        // Request a PaymentIntent from your server and store its client secret
    }
}

class KlarnaPaymentActivity : AppCompatActivity() {
    // ...
    private lateinit var paymentIntentClientSecret: String
    private val paymentLauncher: PaymentLauncher by lazy {
        val paymentConfiguration = PaymentConfiguration.getInstance(applicationContext)
        PaymentLauncher.Companion.create(
            this,
            paymentConfiguration.publishableKey,
            paymentConfiguration.stripeAccountId,
            ::onPaymentResult
        )
    }

    private fun startCheckout() {
        // ...

        val confirmParams = ConfirmPaymentIntentParams
            .createWithPaymentMethodCreateParams(
                paymentMethodCreateParams = paymentMethodCreateParams,
                clientSecret = paymentIntentClientSecret,
                shipping = shippingDetails
            )
        paymentLauncher.confirm(confirmParams)
    }

    private fun onPaymentResult(paymentResult: PaymentResult) {
        when (paymentResult) {
            is PaymentResult.Completed -> {
                // show success UI
            }
            is PaymentResult.Canceled -> {
                // handle cancel flow
            }
            is PaymentResult.Failed -> {
                // handle failures
                // (for example, the customer may need to choose a new payment
                // method)
            }
        }
    }
}