支払いと送金別方式を作成する

import androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import com.stripe.android.paymentsheet.PaymentSheet
import com.stripe.android.paymentsheet.PaymentSheetResult

@Composable
fun App() {
  val paymentSheet = remember { PaymentSheet.Builder(::onPaymentSheetResult) }.build()
}

private fun onPaymentSheetResult(paymentSheetResult: PaymentSheetResult) {
  // implemented in the next steps
}

import androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.setValue
import androidx.compose.ui.platform.LocalContext
import com.stripe.android.PaymentConfiguration
import com.stripe.android.paymentsheet.PaymentSheet
import com.stripe.android.paymentsheet.PaymentSheetResult

@Composable
fun App() {
  val paymentSheet = remember { PaymentSheet.Builder(::onPaymentSheetResult) }.build()
  val context = LocalContext.current
  var customerConfig by remember { mutableStateOf<PaymentSheet.CustomerConfiguration?>(null) }
  var paymentIntentClientSecret by remember { mutableStateOf<String?>(null) }

  LaunchedEffect(context) {
    // Make a request to your own server and retrieve payment configurations
    val networkResult = ...
    if (networkResult.isSuccess) {
        paymentIntentClientSecret = networkResult.paymentIntent
        customerConfig = PaymentSheet.CustomerConfiguration(
          id = networkResult.customer,
          ephemeralKeySecret = networkResult.ephemeralKey
        )
        PaymentConfiguration.init(context, networkResult.publishableKey)
    }
  }
}

private fun onPaymentSheetResult(paymentSheetResult: PaymentSheetResult) {
  // implemented in the next steps
}

import androidx.compose.material.Button
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.platform.LocalContext
import com.stripe.android.PaymentConfiguration
import com.stripe.android.paymentsheet.PaymentSheet
import com.stripe.android.paymentsheet.PaymentSheetResult

@OptIn(ExperimentalCustomerSessionApi::class)
@Composable
fun App() {
  val paymentSheet = remember { PaymentSheet.Builder(::onPaymentSheetResult) }.build()
  val context = LocalContext.current
  var customerConfig by remember { mutableStateOf<PaymentSheet.CustomerConfiguration?>(null) }
  var paymentIntentClientSecret by remember { mutableStateOf<String?>(null) }

  LaunchedEffect(context) {
    // Make a request to your own server and retrieve payment configurations
    val networkResult = ...
    if (networkResult.isSuccess) {
        paymentIntentClientSecret = networkResult.paymentIntent
        customerConfig = PaymentSheet.CustomerConfiguration(
          id = networkResult.customer,
          ephemeralKeySecret = networkResult.ephemeralKey
        )
        PaymentConfiguration.init(context, networkResult.publishableKey)
    }
  }

  Button(
    onClick = {
      val currentConfig = customerConfig
      val currentClientSecret = paymentIntentClientSecret

      if (currentConfig != null && currentClientSecret != null) {
        presentPaymentSheet(paymentSheet, currentConfig, currentClientSecret)
      }
    }
  ) {
    Text("Checkout")
  }
}

private fun presentPaymentSheet(
  paymentSheet: PaymentSheet,
  customerConfig: PaymentSheet.CustomerConfiguration,
  paymentIntentClientSecret: String
) {
  paymentSheet.presentWithPaymentIntent(
    paymentIntentClientSecret,
    PaymentSheet.Configuration.Builder(merchantDisplayName = "My merchant name")
      .customer(customerConfig)
      // Set `allowsDelayedPaymentMethods` to true if your business handles
      // delayed notification payment methods like US bank accounts.
      .allowsDelayedPaymentMethods(true)
      .build()
  )
}

private fun onPaymentSheetResult(paymentSheetResult: PaymentSheetResult) {
  when(paymentSheetResult) {
    is PaymentSheetResult.Canceled -> {
      print("Canceled")
    }
    is PaymentSheetResult.Failed -> {
      print("Error: ${paymentSheetResult.error}")
    }
    is PaymentSheetResult.Completed -> {
      // Display for example, an order confirmation screen
      print("Completed")
    }
  }
}