คำแนะนำการผสานรวมในแอปสำหรับโปรแกรมข้อเสนอภายนอก

var billingClient = BillingClient.newBuilder(context)
  .enableExternalOffer()
  .build()

private BillingClient billingClient = BillingClient.newBuilder(context)
    .enableExternalOffer()
    .build();

billingClient.isExternalOfferAvailableAsync(
  object : ExternalOfferAvailabilityListener {
    override fun onExternalOfferAvailabilityResponse(
      billingResult: BillingResult) {
        if (billingResult.responseCode !=  BillingResponseCode.OK) {
            // Handle failures such as retrying due to network errors,
            // handling external offers unavailable, etc.
            return
        }

        // External offers are available. Continue with steps in the
        // guide.
})

billingClient.isExternalOfferAvailableAsync(
  new ExternalOfferAvailabilityListener() {
    @Override
    public void onExternalOfferAvailabilityResponse(
      BillingResult billingResult) {
        if (billingResult.getResponseCode() != BillingResponseCode.OK) {
            // Handle failures such as retrying due to network errors,
            // handling external offers being unavailable, etc.
            return;
        }
        // External offers are available. Continue with steps in the
        // guide.
      }

});

billingClient.createExternalOfferReportingDetailsAsync(
  object : ExternalOfferReportingDetailsListener {
    override fun onExternalOfferReportingDetailsResponse(
      billingResult: BillingResult,
      externalOfferReportingDetails: ExternalOfferReportingDetails?) {
        if (billingResult.responseCode !=  BillingResponseCode.OK) {
            // Handle failures such as retrying due to network errors.
            return
        }
        val externalTransactionToken =
            externalOfferReportingDetails?.externalTransactionToken
        // Persist the transaction token locally. Pass it to the external
        // website when showExternalOfferInformationDialog is called.
    }
})

billingClient.createExternalOfferReportingDetailsAsync(
  new ExternalOfferReportingDetailsListener() {
    @Override
    public void onExternalOfferReportingDetailsResponse(
      BillingResult billingResult,
      @Nullable ExternalOfferReportingDetails
        externalOfferReportingDetails) {
        if (billingResult.getResponseCode() != BillingResponseCode.OK) {
            // Handle failures such as retrying due to network errors.
            return;
        }

        String transactionToken =
          externalOfferReportingDetails.getExternalTransactionToken();

        // Persist the external transaction token locally. Pass it to the
        // external website when showExternalOfferInformationDialog is
        // called.
      }
});

// An activity reference from which the external offers information dialog
// will be launched.
val activity : Activity = ...;

val listener : ExternalOfferInformationDialogListener =
  ExternalOfferInformationDialogListener {
      override fun onExternalOfferInformationDialogResponse(
        billingResult: BillingResult){
        // Check billingResult
    }
}

val billingResult = billingClient.showExternalOfferInformationDialog(
  activity, listener)

// An activity reference from which the external offers information dialog
// will be launched.
Activity activity = ...;

ExternalOfferInformationDialogListener listener =
  new ExternalOfferInformationDialogListener() {
    @Override
    public void onExternalOfferInformationDialogResponse(
      BillingResult billingResult) {
        if (billingResult.responseCode !=  BillingResponseCode.OK) {
          // Handle failures such as retrying due to network errors.
        }
        // Open the external website, passing along the external transaction
        // token as a URL parameter. If the user purchases an item, be sure
        // to report the transaction to Google Play.
      }
}

BillingResult billingResult =
  billingClient.showExternalOfferInformationDialog(activity, listener);