Samouczek

Jeśli Twoja aplikacja na Androida jest dystrybuowana w Sklepie Google Play, możesz ją zintegrować z Google Pay API. Możesz też skonfigurować w niej akceptowanie kart płatniczych. Aby zintegrować swoją aplikację i skonfigurować akceptowanie kart płatniczych, wykonaj czynności opisane w tym samouczku.

Krok 1. Określ wersję Google Pay API

Zadeklaruj, jakiej wersji Google Pay API używa Twoja aplikacja. Główne i pomocnicze numery wersji zawarte w odpowiedzi wpływają na pola, które powinny być określone w każdym przekazywanym obiekcie.

Utwórz podstawowy obiekt żądania, który zawiera właściwości znajdujące się we wszystkich pozostałych obiektach żądań.

Kotlin

    private val baseRequest = JSONObject().apply {
        put("apiVersion", 2)
        put("apiVersionMinor", 0)
    }

Java

  private static JSONObject getBaseRequest() throws JSONException {
    return new JSONObject().put("apiVersion", 2).put("apiVersionMinor", 0);
  }

Krok 2. Poproś o token płatności dla Twojego dostawcy usług płatniczych

Google szyfruje informacje o wybranej przez płatnika karcie, by zapewnić bezpieczne przetwarzanie operacji przez dostawcę usług płatniczych.

Kotlin

private fun gatewayTokenizationSpecification(): JSONObject {
    return JSONObject().apply {
        put("type", "PAYMENT_GATEWAY")
        put("parameters", JSONObject(mapOf(
                "gateway" to "example",
                "gatewayMerchantId" to "exampleGatewayMerchantId")))
    }
}

Java

  private static JSONObject getGatewayTokenizationSpecification() throws JSONException {
    return new JSONObject() {{
      put("type", "PAYMENT_GATEWAY");
      put("parameters", new JSONObject() {{
        put("gateway", "example");
        put("gatewayMerchantId", "exampleGatewayMerchantId");
      }});
    }};
  }

Zastąp example i exampleGatewayMerchantId odpowiednimi wartościami dla Twojego dostawcy usług płatniczych. Znajdź w poniższej tabeli konkretne wartości gateway i gatewayMerchantId dla Twojego dostawcy:

Brama Parametry i dokumenty
ACI
  "gateway": "aciworldwide"
  "gatewayMerchantId": "YOUR_ENTITY_ID"

Dokumentacja dla deweloperów

Acquired.com
  "gateway": "acquired"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Adyen
  "gateway": "adyen"
  "gatewayMerchantId": "YOUR_MERCHANT_ACCOUNT_NAME"

Dokumentacja dla deweloperów

Alfa-Bank
  "gateway": "alfabank"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

AllPayments
  "gateway": "allpayments"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

APPEX
  "gateway": "epos"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

AsiaBill
  "gateway": "asiabill"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

Assist
  "gateway": "assist"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Aurus
  "gateway": "auruspay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Axerve
  "gateway": "gestpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Barion
  "gateway": "barion"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

bePaid
  "gateway": "ecomcharge"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Billing Systems
  "gateway": "billingsystems"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Bizzon
  "gateway": "bizzon"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Blocks
  "gateway": "blocks"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Blue Media
  "gateway": "bluemedia"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

BlueSnap
  "gateway": "bluesnap"
  "gatewayMerchantId": "YOUR_shopToken"

Dokumentacja dla deweloperów

Braintree
  "gateway": "braintree"
  "braintree:apiVersion": "v1"
  "braintree:sdkVersion": "braintree.client.VERSION"
  "braintree:merchantId": "YOUR_BRAINTREE_MERCHANT_ID"
  "braintree:clientKey": "YOUR_BRAINTREE_TOKENIZATION_KEY"

Dokumentacja dla deweloperów

Braspag
  "gateway": "cielo"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

CardConnect
  "gateway": "cardconnect"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Cardknox
  "gateway": "cardknox"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Cardstream
  "gateway": "crst"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Cashflows
  "gateway": "cashflowsgateway"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Cathay United Bank
  "gateway": "cathaybk"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Chase Merchant Services
  "gateway": "chase"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Checkout.com
  "gateway": "checkoutltd"
  "gatewayMerchantId": "YOUR_PUBLIC_KEY"

Dokumentacja dla deweloperów

Cloud9 Payment Gateway (C9PG)
  "gateway": "c9pg"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

CloudPayments
  "gateway": "cloudpayments"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Computop
  "gateway": "computop"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

ConcordPay
  "gateway": "concordpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

ConnexPay
  "gateway": "connexpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Corefy
  "gateway": "paycoreio"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Credorax
  "gateway": "credorax"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

CTBC Bank
  "gateway": "ctbcbank"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Cybersource
  "gateway": "cybersource"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Datatrans
  "gateway": "datatrans"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

dLocal
  "gateway": "dlocal"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

DNA Payments
  "gateway": "dnapayments"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Dojo
  "gateway": "dojo"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Dotpay
  "gateway": "dotpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

e-SiTef – Software Express
  "gateway": "softwareexpress"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

EasyPay
  "gateway": "easypay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

EBANX
  "gateway": "ebanx"
  "gatewayMerchantId": "YOUR_PUBLIC_INTEGRATION_KEY"

Dokumentacja dla deweloperów

EBANX Pay
  "gateway": "ebanxpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

eCard
  "gateway": "ecard"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

ECOMMPAY
  "gateway": "ecommpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

ECPay
  "gateway": "ecpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

eGHL
  "gateway": "eghl"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Elavon (Converge)
  "gateway": "convergepay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

emspay
  "gateway": "emsonline"
  "gatewayMerchantID": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

EpicPay
  "gateway": "epicpay"
  "gatewayMerchantID": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Suntech
  "gateway": "esafe"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

Evopay
  "gateway": "evopay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Evo Payment Gateway
  "gateway": "evopaymentgateway"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

Fat Zebra
  "gateway": "fatzebra"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Finix
  "gateway": "finix"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

First Data (Payeezy)
  "gateway": "firstdata"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

FIS Biller Solutions
  "gateway": "fisglobalbsp"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Fluid Pay
  "gateway": "fluidpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Freedom Finance Bank
  "gateway": "axayscom"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

FreedomPay
  "gateway": "freedompay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Freepay
  "gateway": "freepay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Frontstream
  "gateway": "frontstreampayments"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

GBPayments
  "gateway": "gbpayments"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Global One Pay
  "gateway": "globalonepay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

Global Payments
  "gateway": "globalpayments"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

GMO Payment Gateway
  "gateway": "gmopg"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

GoPay
  "gateway": "gopay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

GP Webpay
  "gateway": "gpwebpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

Gravity Payments
  "gateway": "gravitypayments"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Helcim
  "gateway": "helcim"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

HIPS
  "gateway": "hips"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

HiTrust
  "gateway": "hitrustpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

IMOJE
  "gateway": "imoje"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Impaya
  "gateway": "impayarus"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

InPlat
  "gateway": "inplat"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

InstaMed
  "gateway": "instamed"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

IntellectMoney
  "gateway": "intellectmoney"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

iPay88
  "gateway": "ipay88"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

iQmetrix
  "gateway": "iqmetrixpaymentservicesgateway"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

IXOPAY
  "gateway": "ixopay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

JudoPay
  "gateway": "judopay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

Kassa
  "gateway": "kassacom"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Kineox
  "gateway": "kineox"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

LiqPay
  "gateway": "liqpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Littlepay
  "gateway": "littlepay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

LogPay
  "gateway": "logpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Loyale
  "gateway": "loyale"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Lyra
  "gateway": "lyra"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Mastercard Payment Gateway Services
  "gateway": "mpgs"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

MITEC
  "gateway": "mitecmx"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

MIXPLAT
  "gateway": "mixplat"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

MOBI.Money
  "gateway": "mobimoney"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Modulbank
  "gateway": "modulbank"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Molpay
  "gateway": "molpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

Mondido
  "gateway": "mondido"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Moneris
  "gateway": "moneris"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Moneta
  "gateway": "moneta"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

Monext
  "gateway": "monext"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Money.Mail.Ru
  "gateway": "moneymailru"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Multicarta
  "gateway": "mulitcarta"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Mundipagg
  "gateway": "mundipagg"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

MyCheck
  "gateway": "mycheck"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

MyPay
  "gateway": "mypay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

myPOS
  "gateway": "mypos"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

NCCC
  "gateway": "nccc"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Neon Pay
  "gateway": "neonpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Netopia
  "gateway": "netopia"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Newebpay (dawniej STPath, Pay2Go)
  "gateway": "newebpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Nexi
  "gateway": "nexi"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

NMI
  "gateway": "gatewayservices"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

NTT DATA
  "gateway": "nttdatahk"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Nuvei
  "gateway": "nuvei"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Onelya
  "gateway": "onelya"
  "gatewayMerchantId": "YOUR_GATWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

OnPay
  "gateway": "onpayio"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayEase
  "gateway": "payeasenet"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayFabric
  "gateway": "payfabric"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayFacto
  "gateway": "payfacto"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

paygent
  "gateway": "paygent"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Payhub
  "gateway": "payhub"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayLane
  "gateway": "paylane"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Payler
  "gateway": "payler"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayLink®
  "gateway": "paylink"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Payload
  "gateway": "payload"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Paymark
  "gateway": "paymark"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Payment Fusion
  "gateway": "paymentfusion"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Paymentwall
  "gateway": "paymentwall"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Paymo
  "gateway": "paymo"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayNearMe
  "gateway": "paynearme"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Pay.nl
  "gateway": "paynl"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Paynopain
  "gateway": "paynopain"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayOnline
  "gateway": "payonline"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayPlus
  "gateway": "payplus"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Paysafe
  "gateway": "paysafe"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Paysoft
  "gateway": "paysoft"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Payture
  "gateway": "payture"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayU
  "gateway": "payu"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayU Romania
  "gateway": "payuro"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PayU Russia
  "gateway": "payuru"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Payway
  "gateway": "payway"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Pikassa
  "gateway": "pikassa"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PingPong
  "gateway": "pingpongx"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Pin Payments
  "gateway": "pinpayments"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Planet
  "gateway": "cccpayment"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Plategka.com
  "gateway": "plategkacom"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Platon
  "gateway": "platon"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Pomelo
  "gateway": "pomelopay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Portmone
  "gateway": "portmonecom"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Primer
  "gateway": "primer"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

ProcessOut
  "gateway": "processout"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Przelewy24
  "gateway": "przelewy24"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PSB Bank
  "gateway": "psbank"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

PSCB
  "gateway": "pscbru"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

QIWI
  "gateway": "qiwi"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Qualpay
  "gateway": "qualpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Qvalent
  "gateway": "qvalent"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Radial
  "gateway": "radial"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

RBK.money
  "gateway": "rbkmoney"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Rebilly
  "gateway": "Rebilly"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Redsys
  "gateway": "redsys"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Reepay
  "gateway": "reepay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Russian Standard Bank
  "gateway": "rsb"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Sberbank
  "gateway": "sberbank"
  "gatewayMerchantId": "YOUR_ORGANIZATION_NAME"

Dokumentacja dla deweloperów

SH Start High
  "gateway": "shstartpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Sipay
  "gateway": "sipay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Softbank Payment Service
  "gateway": "sbps"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Solid
  "gateway": "solid"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Sony Payment Services
  "gateway": "sonypaymentservices"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Splitit
  "gateway": "splitit"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Spreedly
  "gateway": "spreedly"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Square
  "gateway": "square"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Stripe
  "gateway": "stripe"
  "stripe:version": "2018-10-31"
  "stripe:publishableKey": "YOUR_PUBLIC_STRIPE_KEY"

Dokumentacja dla deweloperów

TabaPay
  "gateway": "tabapay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

TapPay (Cherri Tech)
  "gateway": "tappay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

TAS Link
  "gateway": "taslink"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Tatra banka (CardPay)
  "gateway": "tatrabanka"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Brak dostępnej dokumentacji dla deweloperów

TEKO
  "gateway": "teko"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Tinkoff
  "gateway": "tinkoff"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

theMAP
  "gateway": "themap"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

TPay.com
  "gateway": "tpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Transaction Services Network
  "gateway": "tns"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Tranzzo
  "gateway": "tranzzo"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

TrustPay
  "gateway": "trustpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Trust Payments
  "gateway": "trustpayments"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Tuna
  "gateway": "tuna"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

2can&ibox
  "gateway": "twocan"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

UAPAY
  "gateway": "uapay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

UBRR
  "gateway": "ubrrpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

UkrGasBank Pay
  "gateway": "ukrgasbankpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Uniteller
  "gateway": "uniteller"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Unitpay
  "gateway": "unitpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

UPC
  "gateway": "upc"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Vantiv
  "gateway": "vantiv"
  "vantiv:merchantPayPageId": "YOUR_PAY_PAGE_ID"
  "vantiv:merchantOrderId": "YOUR_ORDER_ID"
  "vantiv:merchantTransactionId": "YOUR_TRANSACTION_ID"
  "vantiv:merchantReportGroup": "*web"

Dokumentacja dla deweloperów

Veritrans
  "gateway": "veritrans"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Vindicia
  "gateway": "vindicia"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Walletto
  "gateway": "walletto"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

WayForPay
  "gateway": "wayforpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

WEAT
  "gateway": "weatpay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Windcave
  "gateway": "windcave"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Wirecard
  "gateway": "wirecard"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Worldline (GlobalCollect)
  "gateway": "globalcollect"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Worldline - Ingenico (WL Online Checkout)
  "gateway": "worldlineingenicoogone"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Worldnet
  "gateway": "worldnet"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Worldpay
  "gateway": "worldpay"
  "gatewayMerchantId": "YOUR_WORLDPAY_MERCHANT_ID"

Dokumentacja dla deweloperów

WSPay
  "gateway": "wspay"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

ЮKassa (YooKassa)
  "gateway": "yoomoney"
  "gatewayMerchantId": "YOUR_SHOP_ID"

Dokumentacja dla deweloperów

ZEN.com
  "gateway": "zen"
  "gatewayMerchantId": "YOUR_GATEWAY_MERCHANT_ID"

Dokumentacja dla deweloperów

Najpopularniejszym sposobem implementacji płatności kartą w Google Pay API przez sprzedawców jest typ tokenizacji PAYMENT_GATEWAY. Jeśli Twój dostawca usług płatniczych nie jest obsługiwany, możesz zaakceptować Google Pay przez integrację DIRECT. Więcej informacji znajdziesz w dokumentacji tokenizacji bezpośredniej.

Krok 3. Określ obsługiwane sieci kart płatniczych

Określ sieci kart akceptowane w Twojej aplikacji.

Kotlin

private val allowedCardNetworks = JSONArray(listOf(
        "AMEX",
        "DISCOVER",
        "INTERAC",
        "JCB",
        "MASTERCARD",
        "VISA"))

Java

private static JSONArray getAllowedCardNetworks() {
  return new JSONArray()
      .put("AMEX")
      .put("DISCOVER")
      .put("INTERAC")
      .put("JCB")
      .put("MASTERCARD")
      .put("VISA");
}

Google Pay API może zwrócić listę kart zapisanych na stronie Google.com (PAN_ONLY) lub token urządzenia z Androidem uwierzytelniany za pomocą kryptogramu 3-D Secure (CRYPTOGRAM_3DS).

Kotlin

private val allowedCardAuthMethods = JSONArray(listOf(
        "PAN_ONLY",
        "CRYPTOGRAM_3DS"))

Java

private static JSONArray getAllowedCardAuthMethods() {
  return new JSONArray()
      .put("PAN_ONLY")
      .put("CRYPTOGRAM_3DS");
}

Więcej informacji znajdziesz w opisie CardParameters w dokumentacji obiektów JSON. Aby uzyskać pomoc dotyczącą tokenów urządzeń z Androidem, skontaktuj się z bramą lub firmą obsługującą płatności w obsługiwanych sieciach kart.

Krok 4. Opisz dozwolone formy płatności

Aby opisać obsługę formy płatności CARD przez aplikację, połącz obsługiwane metody uwierzytelniania i obsługiwane sieci kart.

Kotlin

    private fun baseCardPaymentMethod(): JSONObject {
        return JSONObject().apply {

            val parameters = JSONObject().apply {
                put("allowedAuthMethods", allowedCardAuthMethods)
                put("allowedCardNetworks", allowedCardNetworks)
                put("billingAddressRequired", true)
                put("billingAddressParameters", JSONObject().apply {
                    put("format", "FULL")
                })
            }

            put("type", "CARD")
            put("parameters", parameters)
        }
    }

Java

  private static JSONObject getBaseCardPaymentMethod() throws JSONException {
    JSONObject cardPaymentMethod = new JSONObject();
    cardPaymentMethod.put("type", "CARD");

    JSONObject parameters = new JSONObject();
    parameters.put("allowedAuthMethods", getAllowedCardAuthMethods());
    parameters.put("allowedCardNetworks", getAllowedCardNetworks());
    // Optionally, you can add billing address/phone number associated with a CARD payment method.
    parameters.put("billingAddressRequired", true);

    JSONObject billingAddressParameters = new JSONObject();
    billingAddressParameters.put("format", "FULL");

    parameters.put("billingAddressParameters", billingAddressParameters);

    cardPaymentMethod.put("parameters", parameters);

    return cardPaymentMethod;
  }

Rozszerz podstawowy obiekt formy płatności kartą, aby opisać, jakie informacje mają być zwracane do aplikacji, łącznie z danymi płatności tokenizowanych.

Kotlin

    private fun cardPaymentMethod(): JSONObject {
        val cardPaymentMethod = baseCardPaymentMethod()
        cardPaymentMethod.put("tokenizationSpecification", gatewayTokenizationSpecification())

        return cardPaymentMethod
    }

Java

  private static JSONObject getCardPaymentMethod() throws JSONException {
    JSONObject cardPaymentMethod = getBaseCardPaymentMethod();
    cardPaymentMethod.put("tokenizationSpecification", getGatewayTokenizationSpecification());

    return cardPaymentMethod;
  }

Więcej informacji na temat obsługiwanych parameters znajdziesz w sekcji CardParameters w dokumentacji obiektów JSON.

Oprócz CARD Google Pay obsługuje również formę płatności PAYPAL. Więcej informacji o dodawaniu PayPala jako formy płatności w Google Pay znajdziesz w dokumentacji PayPal dla deweloperów.

Krok 5. Utwórz wystąpienie PaymentsClient

Utwórz wystąpienie PaymentsClient w metodzie onCreate w Activity. Wystąpienie PaymentsClient jest używane w interakcjach z Google Pay API.

Kotlin

    fun createPaymentsClient(activity: Activity): PaymentsClient {
        val walletOptions = Wallet.WalletOptions.Builder()
                .setEnvironment(Constants.PAYMENTS_ENVIRONMENT)
                .build()

        return Wallet.getPaymentsClient(activity, walletOptions)
    }

Java

  public static PaymentsClient createPaymentsClient(Activity activity) {
    Wallet.WalletOptions walletOptions =
        new Wallet.WalletOptions.Builder().setEnvironment(Constants.PAYMENTS_ENVIRONMENT).build();
    return Wallet.getPaymentsClient(activity, walletOptions);
  }

Krok 6. Określ gotowość do płacenia za pomocą Google Pay API

Użyj poniższego fragmentu kodu, aby dodać obsługiwane formy płatności do podstawowego obiektu żądania:

Kotlin

    fun isReadyToPayRequest(): JSONObject? {
        return try {
            baseRequest.apply {
                put("allowedPaymentMethods", JSONArray().put(baseCardPaymentMethod()))
            }

        } catch (e: JSONException) {
            null
        }
    }

Java

  public static Optional<JSONObject> getIsReadyToPayRequest() {
    try {
      JSONObject isReadyToPayRequest = getBaseRequest();
      isReadyToPayRequest.put(
          "allowedPaymentMethods", new JSONArray().put(getBaseCardPaymentMethod()));

      return Optional.of(isReadyToPayRequest);

    } catch (JSONException e) {
      return Optional.empty();
    }
  }

Przed wyświetleniem przycisku Google Pay wywołaj isReadyToPay API, aby określić, czy użytkownik może płacić przy użyciu Google Pay API. Pełną listę właściwości konfiguracji znajdziesz w dokumentacji obiektu JSON IsReadyToPayRequest.

Kotlin

    private fun possiblyShowGooglePayButton() {

        val isReadyToPayJson = PaymentsUtil.isReadyToPayRequest() ?: return
        val request = IsReadyToPayRequest.fromJson(isReadyToPayJson.toString()) ?: return

        // The call to isReadyToPay is asynchronous and returns a Task. We need to provide an
        // OnCompleteListener to be triggered when the result of the call is known.
        val task = paymentsClient.isReadyToPay(request)
        task.addOnCompleteListener { completedTask ->
            try {
                completedTask.getResult(ApiException::class.java)?.let(::setGooglePayAvailable)
            } catch (exception: ApiException) {
                // Process error
                Log.w("isReadyToPay failed", exception)
            }
        }
    }

Java

  private void possiblyShowGooglePayButton() {

    final Optional<JSONObject> isReadyToPayJson = PaymentsUtil.getIsReadyToPayRequest();
    if (!isReadyToPayJson.isPresent()) {
      return;
    }

    // The call to isReadyToPay is asynchronous and returns a Task. We need to provide an
    // OnCompleteListener to be triggered when the result of the call is known.
    IsReadyToPayRequest request = IsReadyToPayRequest.fromJson(isReadyToPayJson.get().toString());
    Task<Boolean> task = paymentsClient.isReadyToPay(request);
    task.addOnCompleteListener(this,
        new OnCompleteListener<Boolean>() {
          @Override
          public void onComplete(@NonNull Task<Boolean> task) {
            if (task.isSuccessful()) {
              setGooglePayAvailable(task.getResult());
            } else {
              Log.w("isReadyToPay failed", task.getException());
            }
          }
        });
  }

Jak widać na przykładzie, najlepiej jest wyświetlać Google Pay jako opcję płatności dopiero po odebraniu pozytywnego wyniku z funkcji isReadyToPay. Podczas wdrażania opcji płatności wyświetlanie przycisku płatności Google Pay jest najczęściej konfigurowane w układzie include. Więcej informacji o przyciskach płatności, logo i znakach Google Pay, które możesz wykorzystać w aplikacji, znajdziesz we wskazówkach dotyczących marki.

Krok 7. Utwórz obiekt PaymentDataRequest

Obiekt JSON PaymentDataRequest opisuje informacje, o które prosisz płatnika w arkuszu płatności Google Pay.

Podaj cenę transakcji i stan ceny. Więcej informacji znajdziesz w dokumentacji obiektu JSON TransactionInfo.

Poniższy przykład pokazuje, jak uzyskać informacje o cenie, stanie ceny i walucie transakcji.

Kotlin

    private fun getTransactionInfo(price: String): JSONObject {
        return JSONObject().apply {
            put("totalPrice", price)
            put("totalPriceStatus", "FINAL")
            put("countryCode", Constants.COUNTRY_CODE)
            put("currencyCode", Constants.CURRENCY_CODE)
        }
    }

Java

  private static JSONObject getTransactionInfo(String price) throws JSONException {
    JSONObject transactionInfo = new JSONObject();
    transactionInfo.put("totalPrice", price);
    transactionInfo.put("totalPriceStatus", "FINAL");
    transactionInfo.put("countryCode", Constants.COUNTRY_CODE);
    transactionInfo.put("currencyCode", Constants.CURRENCY_CODE);
    transactionInfo.put("checkoutOption", "COMPLETE_IMMEDIATE_PURCHASE");

    return transactionInfo;
  }

Podaj nazwę sprzedawcy widoczną dla użytkowników. Więcej informacji znajdziesz w dokumentacji obiektu JSON MerchantInfo.

Poniższy przykład pokazuje, jak uzyskać nazwę sprzedawcy:

Kotlin

private val merchantInfo: JSONObject =
        JSONObject().put("merchantName", "Example Merchant")

Java

  private static JSONObject getMerchantInfo() throws JSONException {
    return new JSONObject().put("merchantName", "Example Merchant");
  }

Przypisz podstawowy obiekt żądania do nowego obiektu JSON PaymentDataRequest. Potem dodaj formy płatności obsługiwane w Twojej aplikacji razem z konfiguracją i innymi danymi, które powinna zawierać odpowiedź. Na koniec dodaj informacje o transakcji i sprzedawcy, który wysłał żądanie.

Ten przykład ilustruje, jak wysłać żądanie o dane płatności:

Kotlin

fun getPaymentDataRequest(price: String): JSONObject? {
    try {
        return baseRequest.apply {
            put("allowedPaymentMethods", JSONArray().put(cardPaymentMethod()))
            put("transactionInfo", getTransactionInfo(price))
            put("merchantInfo", merchantInfo)

            // An optional shipping address requirement is a top-level property of the
            // PaymentDataRequest JSON object.
            val shippingAddressParameters = JSONObject().apply {
                put("phoneNumberRequired", false)
                put("allowedCountryCodes", JSONArray(listOf("US", "GB")))
            }
            put("shippingAddressParameters", shippingAddressParameters)
            put("shippingAddressRequired", true)
        }
    } catch (e: JSONException) {
        return null
    }
}

Java


  public static Optional<JSONObject> getPaymentDataRequest(long priceCents) {

    final String price = PaymentsUtil.centsToString(priceCents);

    try {
      JSONObject paymentDataRequest = PaymentsUtil.getBaseRequest();
      paymentDataRequest.put(
          "allowedPaymentMethods", new JSONArray().put(PaymentsUtil.getCardPaymentMethod()));
      paymentDataRequest.put("transactionInfo", PaymentsUtil.getTransactionInfo(price));
      paymentDataRequest.put("merchantInfo", PaymentsUtil.getMerchantInfo());

      /* An optional shipping address requirement is a top-level property of the PaymentDataRequest
      JSON object. */
      paymentDataRequest.put("shippingAddressRequired", true);

      JSONObject shippingAddressParameters = new JSONObject();
      shippingAddressParameters.put("phoneNumberRequired", false);

      JSONArray allowedCountryCodes = new JSONArray(Constants.SHIPPING_SUPPORTED_COUNTRIES);

      shippingAddressParameters.put("allowedCountryCodes", allowedCountryCodes);
      paymentDataRequest.put("shippingAddressParameters", shippingAddressParameters);
      return Optional.of(paymentDataRequest);

    } catch (JSONException e) {
      return Optional.empty();
    }
  }

Więcej informacji znajdziesz w dokumentacji obiektu JSON PaymentDataRequest.

Krok 8. Zarejestruj moduł obsługi zdarzeń za pomocą gestów

Aby poprosić o wyświetlanie arkusza płatności Google Pay po aktywacji przycisku płatności Google Pay przez użytkownika, zdefiniuj OnClickListener.

Kotlin

        googlePayButton.setOnClickListener { requestPayment() }

Java

    googlePayButton.setOnClickListener(
        new View.OnClickListener() {
          @Override
          public void onClick(View view) {
            requestPayment(view);
          }
        });

Obiekt PaymentDataRequest to obiekt Parcelable, który reprezentuje żądanie danych płatności. PaymentDataRequest zawiera informacje niezbędne do obsługi płatności. Użyj klasy AutoResolveHelper, aby automatycznie rozwiązać zadanie Task, a potem przetworzyć jego wynik w metodzie onActivityResult Twojej klasy Activity.

Krok 9. Przetwórz obiekt odpowiedzi

Gdy płatnik poda wymagane informacje w arkuszu płatności Google Pay, obiekt PaymentData zostanie zwrócony do onActivityResult.

Przekonwertuj pozytywną odpowiedź do obiektu JSON, aby przekazać dane karty do firmy obsługującej płatności i wyświetlić użytkownikowi potwierdzenie zakupu. Jeśli obiekt transactionInfo.totalPriceStatus przekazany do PaymentDataRequest ma wartość ESTIMATED, to przed obciążeniem zwróconej formy płatności musisz pokazać cenę końcową.

Wyodrębnij token płatności z odpowiedzi paymentData. Jeśli implementujesz integrację bramy, przekaż ten token do swojej bramy bez żadnych modyfikacji.

Kotlin

    public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        when (requestCode) {
            // Value passed in AutoResolveHelper
            LOAD_PAYMENT_DATA_REQUEST_CODE -> {
                when (resultCode) {
                    RESULT_OK ->
                        data?.let { intent ->
                            PaymentData.getFromIntent(intent)?.let(::handlePaymentSuccess)
                        }

                    RESULT_CANCELED -> {
                        // The user cancelled the payment attempt
                    }

                    AutoResolveHelper.RESULT_ERROR -> {
                        AutoResolveHelper.getStatusFromIntent(data)?.let {
                            handleError(it.statusCode)
                        }
                    }
                }

                // Re-enables the Google Pay payment button.
                googlePayButton.isClickable = true
            }
        }
    }

Java

  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    switch (requestCode) {
      // value passed in AutoResolveHelper
      case LOAD_PAYMENT_DATA_REQUEST_CODE:
        switch (resultCode) {

          case Activity.RESULT_OK:
            PaymentData paymentData = PaymentData.getFromIntent(data);
            handlePaymentSuccess(paymentData);
            break;

          case Activity.RESULT_CANCELED:
            // The user cancelled the payment attempt
            break;

          case AutoResolveHelper.RESULT_ERROR:
            Status status = AutoResolveHelper.getStatusFromIntent(data);
            handleError(status.getStatusCode());
            break;
        }

        // Re-enables the Google Pay payment button.
        googlePayButton.setClickable(true);
    }
  }

Więcej informacji o zawartości i strukturze odpowiedzi znajdziesz w dokumentacji obiektu JSON PaymentData.

Połącz wszystkie elementy

Pokazany poniżej fragment zawiera kompletny przykład prawidłowo skonfigurowanego projektu. Instrukcje konfiguracji na poziomie projektu znajdziesz w artykule Konfigurowanie projektu.

CheckoutActivity.kt (Kotlin)

Ten przykład Activity zakłada, że Twój układ zawiera przycisk płatności Google Pay z atrybutem id o wartości googlepay_button.

/*
 * Copyright 2018 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.gms.samples.wallet.activity

import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.text.Html
import android.util.Log
import android.view.View
import android.widget.Toast
import com.google.android.gms.common.api.ApiException
import com.google.android.gms.samples.wallet.util.PaymentsUtil
import com.google.android.gms.samples.wallet.R
import com.google.android.gms.samples.wallet.util.Json
import com.google.android.gms.wallet.*
import kotlinx.android.synthetic.main.activity_checkout.*
import org.json.JSONArray
import org.json.JSONException
import org.json.JSONObject

/**
 * Checkout implementation for the app
 */
class CheckoutActivity : Activity() {

    private val SHIPPING_COST_CENTS = 9 * PaymentsUtil.CENTS.toLong()

    /**
     * A client for interacting with the Google Pay API.
     *
     * @see [PaymentsClient](https://developers.google.com/android/reference/com/google/android/gms/wallet/PaymentsClient)
     */
    private lateinit var paymentsClient: PaymentsClient

    private lateinit var garmentList: JSONArray
    private lateinit var selectedGarment: JSONObject

    /**
     * Arbitrarily-picked constant integer you define to track a request for payment data activity.
     *
     * @value #LOAD_PAYMENT_DATA_REQUEST_CODE
     */
    private val LOAD_PAYMENT_DATA_REQUEST_CODE = 991

    /**
     * Initialize the Google Pay API on creation of the activity
     *
     * @see Activity.onCreate
     */
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_checkout)

        // Set up the mock information for our item in the UI.
        selectedGarment = fetchRandomGarment()
        displayGarment(selectedGarment)

        // Initialize a Google Pay API client for an environment suitable for testing.
        // It's recommended to create the PaymentsClient object inside of the onCreate method.
        paymentsClient = PaymentsUtil.createPaymentsClient(this)
        possiblyShowGooglePayButton()

        googlePayButton.setOnClickListener { requestPayment() }
    }

    /**
     * Determine the viewer's ability to pay with a payment method supported by your app and display a
     * Google Pay payment button.
     *
     * @see [](https://developers.google.com/android/reference/com/google/android/gms/wallet/PaymentsClient.html.isReadyToPay
    ) */
    private fun possiblyShowGooglePayButton() {

        val isReadyToPayJson = PaymentsUtil.isReadyToPayRequest() ?: return
        val request = IsReadyToPayRequest.fromJson(isReadyToPayJson.toString()) ?: return

        // The call to isReadyToPay is asynchronous and returns a Task. We need to provide an
        // OnCompleteListener to be triggered when the result of the call is known.
        val task = paymentsClient.isReadyToPay(request)
        task.addOnCompleteListener { completedTask ->
            try {
                completedTask.getResult(ApiException::class.java)?.let(::setGooglePayAvailable)
            } catch (exception: ApiException) {
                // Process error
                Log.w("isReadyToPay failed", exception)
            }
        }
    }

    /**
     * If isReadyToPay returned `true`, show the button and hide the "checking" text. Otherwise,
     * notify the user that Google Pay is not available. Please adjust to fit in with your current
     * user flow. You are not required to explicitly let the user know if isReadyToPay returns `false`.
     *
     * @param available isReadyToPay API response.
     */
    private fun setGooglePayAvailable(available: Boolean) {
        if (available) {
            googlePayButton.visibility = View.VISIBLE
        } else {
            Toast.makeText(
                    this,
                    "Unfortunately, Google Pay is not available on this device",
                    Toast.LENGTH_LONG).show();
        }
    }

    private fun requestPayment() {

        // Disables the button to prevent multiple clicks.
        googlePayButton.isClickable = false

        // The price provided to the API should include taxes and shipping.
        // This price is not displayed to the user.
        val garmentPrice = selectedGarment.getDouble("price")
        val priceCents = Math.round(garmentPrice * PaymentsUtil.CENTS.toLong()) + SHIPPING_COST_CENTS

        val paymentDataRequestJson = PaymentsUtil.getPaymentDataRequest(priceCents)
        if (paymentDataRequestJson == null) {
            Log.e("RequestPayment", "Can't fetch payment data request")
            return
        }
        val request = PaymentDataRequest.fromJson(paymentDataRequestJson.toString())

        // Since loadPaymentData may show the UI asking the user to select a payment method, we use
        // AutoResolveHelper to wait for the user interacting with it. Once completed,
        // onActivityResult will be called with the result.
        if (request != null) {
            AutoResolveHelper.resolveTask(
                    paymentsClient.loadPaymentData(request), this, LOAD_PAYMENT_DATA_REQUEST_CODE)
        }
    }

    /**
     * Handle a resolved activity from the Google Pay payment sheet.
     *
     * @param requestCode Request code originally supplied to AutoResolveHelper in requestPayment().
     * @param resultCode Result code returned by the Google Pay API.
     * @param data Intent from the Google Pay API containing payment or error data.
     * @see [Getting a result
     * from an Activity](https://developer.android.com/training/basics/intents/result)
     */
    public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        when (requestCode) {
            // Value passed in AutoResolveHelper
            LOAD_PAYMENT_DATA_REQUEST_CODE -> {
                when (resultCode) {
                    RESULT_OK ->
                        data?.let { intent ->
                            PaymentData.getFromIntent(intent)?.let(::handlePaymentSuccess)
                        }

                    RESULT_CANCELED -> {
                        // The user cancelled the payment attempt
                    }

                    AutoResolveHelper.RESULT_ERROR -> {
                        AutoResolveHelper.getStatusFromIntent(data)?.let {
                            handleError(it.statusCode)
                        }
                    }
                }

                // Re-enables the Google Pay payment button.
                googlePayButton.isClickable = true
            }
        }
    }

    /**
     * PaymentData response object contains the payment information, as well as any additional
     * requested information, such as billing and shipping address.
     *
     * @param paymentData A response object returned by Google after a payer approves payment.
     * @see [Payment
     * Data](https://developers.google.com/pay/api/android/reference/object.PaymentData)
     */
    private fun handlePaymentSuccess(paymentData: PaymentData) {
        val paymentInformation = paymentData.toJson() ?: return

        try {
            // Token will be null if PaymentDataRequest was not constructed using fromJson(String).
            val paymentMethodData = JSONObject(paymentInformation).getJSONObject("paymentMethodData")
            val billingName = paymentMethodData.getJSONObject("info")
                    .getJSONObject("billingAddress").getString("name")
            Log.d("BillingName", billingName)

            Toast.makeText(this, getString(R.string.payments_show_name, billingName), Toast.LENGTH_LONG).show()

            // Logging token string.
            Log.d("GooglePaymentToken", paymentMethodData
                    .getJSONObject("tokenizationData")
                    .getString("token"))

        } catch (e: JSONException) {
            Log.e("handlePaymentSuccess", "Error: " + e.toString())
        }

    }

    /**
     * At this stage, the user has already seen a popup informing them an error occurred. Normally,
     * only logging is required.
     *
     * @param statusCode will hold the value of any constant from CommonStatusCode or one of the
     * WalletConstants.ERROR_CODE_* constants.
     * @see [
     * Wallet Constants Library](https://developers.google.com/android/reference/com/google/android/gms/wallet/WalletConstants.constant-summary)
     */
    private fun handleError(statusCode: Int) {
        Log.w("loadPaymentData failed", String.format("Error code: %d", statusCode))
    }

    private fun fetchRandomGarment() : JSONObject {
        if (!::garmentList.isInitialized) {
            garmentList = Json.readFromResources(this, R.raw.tshirts)
        }

        val randomIndex:Int = Math.round(Math.random() * (garmentList.length() - 1)).toInt()
        return garmentList.getJSONObject(randomIndex)
    }

    private fun displayGarment(garment:JSONObject) {
        detailTitle.setText(garment.getString("title"))
        detailPrice.setText("\$${garment.getString("price")}")

        val escapedHtmlText:String = Html.fromHtml(garment.getString("description")).toString()
        detailDescription.setText(Html.fromHtml(escapedHtmlText))

        val imageUri = "@drawable/${garment.getString("image")}"
        val imageResource = resources.getIdentifier(imageUri, null, packageName)
        detailImage.setImageResource(imageResource)
    }
}

    

PaymentsUtil.kt (Kotlin)

Ten przykładowy plik tworzy obiekty JSON, które pozwalają utworzyć IsReadyToPayRequest lub PaymentDataRequest.

/*
 * Copyright 2017 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.gms.samples.wallet.util

import android.app.Activity
import com.google.android.gms.samples.wallet.Constants
import com.google.android.gms.wallet.PaymentsClient
import com.google.android.gms.wallet.Wallet
import org.json.JSONArray
import org.json.JSONException
import org.json.JSONObject
import java.math.BigDecimal
import java.math.RoundingMode

/**
 * Contains helper static methods for dealing with the Payments API.
 *
 * Many of the parameters used in the code are optional and are set here merely to call out their
 * existence. Please consult the documentation to learn more and feel free to remove ones not
 * relevant to your implementation.
 */
object PaymentsUtil {
    val CENTS = BigDecimal(100)

    /**
     * Create a Google Pay API base request object with properties used in all requests.
     *
     * @return Google Pay API base request object.
     * @throws JSONException
     */
    private val baseRequest = JSONObject().apply {
        put("apiVersion", 2)
        put("apiVersionMinor", 0)
    }

    /**
     * Gateway Integration: Identify your gateway and your app's gateway merchant identifier.
     *
     *
     * The Google Pay API response will return an encrypted payment method capable of being charged
     * by a supported gateway after payer authorization.
     *
     *
     * TODO: Check with your gateway on the parameters to pass and modify them in Constants.java.
     *
     * @return Payment data tokenization for the CARD payment method.
     * @throws JSONException
     * @see [PaymentMethodTokenizationSpecification](https://developers.google.com/pay/api/android/reference/object.PaymentMethodTokenizationSpecification)
     */
    private fun gatewayTokenizationSpecification(): JSONObject {
        return JSONObject().apply {
            put("type", "PAYMENT_GATEWAY")
            put("parameters", JSONObject(Constants.PAYMENT_GATEWAY_TOKENIZATION_PARAMETERS))
        }
    }

    /**
     * `DIRECT` Integration: Decrypt a response directly on your servers. This configuration has
     * additional data security requirements from Google and additional PCI DSS compliance complexity.
     *
     *
     * Please refer to the documentation for more information about `DIRECT` integration. The
     * type of integration you use depends on your payment processor.
     *
     * @return Payment data tokenization for the CARD payment method.
     * @throws JSONException
     * @see [PaymentMethodTokenizationSpecification](https://developers.google.com/pay/api/android/reference/object.PaymentMethodTokenizationSpecification)
     */
    private fun directTokenizationSpecification(): JSONObject {
        if (Constants.DIRECT_TOKENIZATION_PUBLIC_KEY == "REPLACE_ME" ||
                (Constants.DIRECT_TOKENIZATION_PARAMETERS.isEmpty() ||
                 Constants.DIRECT_TOKENIZATION_PUBLIC_KEY.isEmpty())) {

            throw RuntimeException(
                    "Please edit the Constants.java file to add protocol version & public key.")
        }

        return JSONObject().apply {
            put("type", "DIRECT")
            put("parameters", JSONObject(Constants.DIRECT_TOKENIZATION_PARAMETERS))
        }
    }

    /**
     * Card networks supported by your app and your gateway.
     *
     *
     * TODO: Confirm card networks supported by your app and gateway & update in Constants.java.
     *
     * @return Allowed card networks
     * @see [CardParameters](https://developers.google.com/pay/api/android/reference/object.CardParameters)
     */
    private val allowedCardNetworks = JSONArray(Constants.SUPPORTED_NETWORKS)

    /**
     * Card authentication methods supported by your app and your gateway.
     *
     *
     * TODO: Confirm your processor supports Android device tokens on your supported card networks
     * and make updates in Constants.java.
     *
     * @return Allowed card authentication methods.
     * @see [CardParameters](https://developers.google.com/pay/api/android/reference/object.CardParameters)
     */
    private val allowedCardAuthMethods = JSONArray(Constants.SUPPORTED_METHODS)

    /**
     * Describe your app's support for the CARD payment method.
     *
     *
     * The provided properties are applicable to both an IsReadyToPayRequest and a
     * PaymentDataRequest.
     *
     * @return A CARD PaymentMethod object describing accepted cards.
     * @throws JSONException
     * @see [PaymentMethod](https://developers.google.com/pay/api/android/reference/object.PaymentMethod)
     */
    // Optionally, you can add billing address/phone number associated with a CARD payment method.
    private fun baseCardPaymentMethod(): JSONObject {
        return JSONObject().apply {

            val parameters = JSONObject().apply {
                put("allowedAuthMethods", allowedCardAuthMethods)
                put("allowedCardNetworks", allowedCardNetworks)
                put("billingAddressRequired", true)
                put("billingAddressParameters", JSONObject().apply {
                    put("format", "FULL")
                })
            }

            put("type", "CARD")
            put("parameters", parameters)
        }
    }

    /**
     * Describe the expected returned payment data for the CARD payment method
     *
     * @return A CARD PaymentMethod describing accepted cards and optional fields.
     * @throws JSONException
     * @see [PaymentMethod](https://developers.google.com/pay/api/android/reference/object.PaymentMethod)
     */
    private fun cardPaymentMethod(): JSONObject {
        val cardPaymentMethod = baseCardPaymentMethod()
        cardPaymentMethod.put("tokenizationSpecification", gatewayTokenizationSpecification())

        return cardPaymentMethod
    }

    /**
     * An object describing accepted forms of payment by your app, used to determine a viewer's
     * readiness to pay.
     *
     * @return API version and payment methods supported by the app.
     * @see [IsReadyToPayRequest](https://developers.google.com/pay/api/android/reference/object.IsReadyToPayRequest)
     */
    fun isReadyToPayRequest(): JSONObject? {
        return try {
            baseRequest.apply {
                put("allowedPaymentMethods", JSONArray().put(baseCardPaymentMethod()))
            }

        } catch (e: JSONException) {
            null
        }
    }

    /**
     * Information about the merchant requesting payment information
     *
     * @return Information about the merchant.
     * @throws JSONException
     * @see [MerchantInfo](https://developers.google.com/pay/api/android/reference/object.MerchantInfo)
     */
    private val merchantInfo: JSONObject =
            JSONObject().put("merchantName", "Example Merchant")

    /**
     * Creates an instance of [PaymentsClient] for use in an [Activity] using the
     * environment and theme set in [Constants].
     *
     * @param activity is the caller's activity.
     */
    fun createPaymentsClient(activity: Activity): PaymentsClient {
        val walletOptions = Wallet.WalletOptions.Builder()
                .setEnvironment(Constants.PAYMENTS_ENVIRONMENT)
                .build()

        return Wallet.getPaymentsClient(activity, walletOptions)
    }

    /**
     * Provide Google Pay API with a payment amount, currency, and amount status.
     *
     * @return information about the requested payment.
     * @throws JSONException
     * @see [TransactionInfo](https://developers.google.com/pay/api/android/reference/object.TransactionInfo)
     */
    @Throws(JSONException::class)
    private fun getTransactionInfo(price: String): JSONObject {
        return JSONObject().apply {
            put("totalPrice", price)
            put("totalPriceStatus", "FINAL")
            put("countryCode", Constants.COUNTRY_CODE)
            put("currencyCode", Constants.CURRENCY_CODE)
        }
    }

    /**
     * An object describing information requested in a Google Pay payment sheet
     *
     * @return Payment data expected by your app.
     * @see [PaymentDataRequest](https://developers.google.com/pay/api/android/reference/object.PaymentDataRequest)
     */
    fun getPaymentDataRequest(priceCemts: Long): JSONObject? {
        return try {
            baseRequest.apply {
                put("allowedPaymentMethods", JSONArray().put(cardPaymentMethod()))
                put("transactionInfo", getTransactionInfo(priceCemts.centsToString()))
                put("merchantInfo", merchantInfo)

                // An optional shipping address requirement is a top-level property of the
                // PaymentDataRequest JSON object.
                val shippingAddressParameters = JSONObject().apply {
                    put("phoneNumberRequired", false)
                    put("allowedCountryCodes", JSONArray(listOf("US", "GB")))
                }
                put("shippingAddressParameters", shippingAddressParameters)
                put("shippingAddressRequired", true)
            }
        } catch (e: JSONException) {
            null
        }
    }
}

/**
 * Converts cents to a string format accepted by [PaymentsUtil.getPaymentDataRequest].
 *
 * @param cents value of the price.
 */
fun Long.centsToString() = BigDecimal(this)
        .divide(PaymentsUtil.CENTS)
        .setScale(2, RoundingMode.HALF_EVEN)
        .toString()

    

CheckoutActivity.java (Java)

Ten przykład Activity zakłada, że Twój układ zawiera przycisk płatności Google Pay z atrybutem id o wartości googlepay_button.

/*
 * Copyright 2020 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.gms.samples.wallet.activity;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.Html;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

import com.google.android.gms.common.api.Status;
import com.google.android.gms.samples.wallet.databinding.ActivityCheckoutBinding;
import com.google.android.gms.samples.wallet.util.PaymentsUtil;
import com.google.android.gms.samples.wallet.R;
import com.google.android.gms.samples.wallet.util.Json;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.android.gms.wallet.AutoResolveHelper;
import com.google.android.gms.wallet.IsReadyToPayRequest;
import com.google.android.gms.wallet.PaymentData;
import com.google.android.gms.wallet.PaymentDataRequest;
import com.google.android.gms.wallet.PaymentsClient;

import java.util.Locale;
import java.util.Optional;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

/**
 * Checkout implementation for the app
 */
public class CheckoutActivity extends AppCompatActivity {

  // Arbitrarily-picked constant integer you define to track a request for payment data activity.
  private static final int LOAD_PAYMENT_DATA_REQUEST_CODE = 991;

  private static final long SHIPPING_COST_CENTS = 90 * PaymentsUtil.CENTS_IN_A_UNIT.longValue();

  // A client for interacting with the Google Pay API.
  private PaymentsClient paymentsClient;

  private ActivityCheckoutBinding layoutBinding;
  private View googlePayButton;

  private JSONArray garmentList;
  private JSONObject selectedGarment;

  /**
   * Initialize the Google Pay API on creation of the activity
   *
   * @see Activity#onCreate(android.os.Bundle)
   */
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    initializeUi();

    // Set up the mock information for our item in the UI.
    try {
      selectedGarment = fetchRandomGarment();
      displayGarment(selectedGarment);
    } catch (JSONException e) {
      throw new RuntimeException("The list of garments cannot be loaded");
    }

    // Initialize a Google Pay API client for an environment suitable for testing.
    // It's recommended to create the PaymentsClient object inside of the onCreate method.
    paymentsClient = PaymentsUtil.createPaymentsClient(this);
    possiblyShowGooglePayButton();
  }

  /**
   * Handle a resolved activity from the Google Pay payment sheet.
   *
   * @param requestCode Request code originally supplied to AutoResolveHelper in requestPayment().
   * @param resultCode  Result code returned by the Google Pay API.
   * @param data        Intent from the Google Pay API containing payment or error data.
   * @see <a href="https://developer.android.com/training/basics/intents/result">Getting a result
   * from an Activity</a>
   */
  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    switch (requestCode) {
      // value passed in AutoResolveHelper
      case LOAD_PAYMENT_DATA_REQUEST_CODE:
        switch (resultCode) {

          case Activity.RESULT_OK:
            PaymentData paymentData = PaymentData.getFromIntent(data);
            handlePaymentSuccess(paymentData);
            break;

          case Activity.RESULT_CANCELED:
            // The user cancelled the payment attempt
            break;

          case AutoResolveHelper.RESULT_ERROR:
            Status status = AutoResolveHelper.getStatusFromIntent(data);
            handleError(status.getStatusCode());
            break;
        }

        // Re-enables the Google Pay payment button.
        googlePayButton.setClickable(true);
    }
  }

  private void initializeUi() {

    // Use view binding to access the UI elements
    layoutBinding = ActivityCheckoutBinding.inflate(getLayoutInflater());
    setContentView(layoutBinding.getRoot());

    // The Google Pay button is a layout file – take the root view
    googlePayButton = layoutBinding.googlePayButton.getRoot();
    googlePayButton.setOnClickListener(
        new View.OnClickListener() {
          @Override
          public void onClick(View view) {
            requestPayment(view);
          }
        });
  }

  private void displayGarment(JSONObject garment) throws JSONException {
    layoutBinding.detailTitle.setText(garment.getString("title"));
    layoutBinding.detailPrice.setText(
        String.format(Locale.getDefault(), "$%.2f", garment.getDouble("price")));

    final String escapedHtmlText = Html.fromHtml(
        garment.getString("description"), Html.FROM_HTML_MODE_COMPACT).toString();
    layoutBinding.detailDescription.setText(Html.fromHtml(
        escapedHtmlText, Html.FROM_HTML_MODE_COMPACT));

    final String imageUri = String.format("@drawable/%s", garment.getString("image"));
    final int imageResource = getResources().getIdentifier(imageUri, null, getPackageName());
    layoutBinding.detailImage.setImageResource(imageResource);
  }

  /**
   * Determine the viewer's ability to pay with a payment method supported by your app and display a
   * Google Pay payment button.
   *
   * @see <a href="https://developers.google.com/android/reference/com/google/android/gms/wallet/
   * PaymentsClient.html#isReadyToPay(com.google.android.gms.wallet.
   * IsReadyToPayRequest)">PaymentsClient#IsReadyToPay</a>
   */
  private void possiblyShowGooglePayButton() {

    final Optional<JSONObject> isReadyToPayJson = PaymentsUtil.getIsReadyToPayRequest();
    if (!isReadyToPayJson.isPresent()) {
      return;
    }

    // The call to isReadyToPay is asynchronous and returns a Task. We need to provide an
    // OnCompleteListener to be triggered when the result of the call is known.
    IsReadyToPayRequest request = IsReadyToPayRequest.fromJson(isReadyToPayJson.get().toString());
    Task<Boolean> task = paymentsClient.isReadyToPay(request);
    task.addOnCompleteListener(this,
        new OnCompleteListener<Boolean>() {
          @Override
          public void onComplete(@NonNull Task<Boolean> task) {
            if (task.isSuccessful()) {
              setGooglePayAvailable(task.getResult());
            } else {
              Log.w("isReadyToPay failed", task.getException());
            }
          }
        });
  }

  /**
   * If isReadyToPay returned {@code true}, show the button and hide the "checking" text. Otherwise,
   * notify the user that Google Pay is not available. Please adjust to fit in with your current
   * user flow. You are not required to explicitly let the user know if isReadyToPay returns {@code
   * false}.
   *
   * @param available isReadyToPay API response.
   */
  private void setGooglePayAvailable(boolean available) {
    if (available) {
      googlePayButton.setVisibility(View.VISIBLE);
    } else {
      Toast.makeText(this, R.string.googlepay_status_unavailable, Toast.LENGTH_LONG).show();
    }
  }

  /**
   * PaymentData response object contains the payment information, as well as any additional
   * requested information, such as billing and shipping address.
   *
   * @param paymentData A response object returned by Google after a payer approves payment.
   * @see <a href="https://developers.google.com/pay/api/android/reference/
   * object#PaymentData">PaymentData</a>
   */
  private void handlePaymentSuccess(PaymentData paymentData) {

    // Token will be null if PaymentDataRequest was not constructed using fromJson(String).
    final String paymentInfo = paymentData.toJson();
    if (paymentInfo == null) {
      return;
    }

    try {
      JSONObject paymentMethodData = new JSONObject(paymentInfo).getJSONObject("paymentMethodData");
      // If the gateway is set to "example", no payment information is returned - instead, the
      // token will only consist of "examplePaymentMethodToken".

      final JSONObject tokenizationData = paymentMethodData.getJSONObject("tokenizationData");
      final String token = tokenizationData.getString("token");
      final JSONObject info = paymentMethodData.getJSONObject("info");
      final String billingName = info.getJSONObject("billingAddress").getString("name");
      Toast.makeText(
          this, getString(R.string.payments_show_name, billingName),
          Toast.LENGTH_LONG).show();

      // Logging token string.
      Log.d("Google Pay token: ", token);

    } catch (JSONException e) {
      throw new RuntimeException("The selected garment cannot be parsed from the list of elements");
    }
  }

  /**
   * At this stage, the user has already seen a popup informing them an error occurred. Normally,
   * only logging is required.
   *
   * @param statusCode will hold the value of any constant from CommonStatusCode or one of the
   *                   WalletConstants.ERROR_CODE_* constants.
   * @see <a href="https://developers.google.com/android/reference/com/google/android/gms/wallet/
   * WalletConstants#constant-summary">Wallet Constants Library</a>
   */
  private void handleError(int statusCode) {
    Log.e("loadPaymentData failed", String.format("Error code: %d", statusCode));
  }

  public void requestPayment(View view) {

    // Disables the button to prevent multiple clicks.
    googlePayButton.setClickable(false);

    // The price provided to the API should include taxes and shipping.
    // This price is not displayed to the user.
    try {
      double garmentPrice = selectedGarment.getDouble("price");
      long garmentPriceCents = Math.round(garmentPrice * PaymentsUtil.CENTS_IN_A_UNIT.longValue());
      long priceCents = garmentPriceCents + SHIPPING_COST_CENTS;

      Optional<JSONObject> paymentDataRequestJson = PaymentsUtil.getPaymentDataRequest(priceCents);
      if (!paymentDataRequestJson.isPresent()) {
        return;
      }

      PaymentDataRequest request =
          PaymentDataRequest.fromJson(paymentDataRequestJson.get().toString());

      // Since loadPaymentData may show the UI asking the user to select a payment method, we use
      // AutoResolveHelper to wait for the user interacting with it. Once completed,
      // onActivityResult will be called with the result.
      if (request != null) {
        AutoResolveHelper.resolveTask(
            paymentsClient.loadPaymentData(request),
            this, LOAD_PAYMENT_DATA_REQUEST_CODE);
      }

    } catch (JSONException e) {
      throw new RuntimeException("The price cannot be deserialized from the JSON object.");
    }
  }

  private JSONObject fetchRandomGarment() {

    // Only load the list of items if it has not been loaded before
    if (garmentList == null) {
      garmentList = Json.readFromResources(this, R.raw.tshirts);
    }

    // Take a random element from the list
    int randomIndex = Math.toIntExact(Math.round(Math.random() * (garmentList.length() - 1)));
    try {
      return garmentList.getJSONObject(randomIndex);
    } catch (JSONException e) {
      throw new RuntimeException("The index specified is out of bounds.");
    }
  }
}

PaymentsUtil.java (Java)

Ten przykładowy plik tworzy obiekty JSON, które pozwalają utworzyć IsReadyToPayRequest lub PaymentDataRequest.

/*
 * Copyright 2020 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.gms.samples.wallet.util;

import android.app.Activity;

import com.google.android.gms.samples.wallet.Constants;
import com.google.android.gms.wallet.PaymentsClient;
import com.google.android.gms.wallet.Wallet;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.Optional;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * Contains helper static methods for dealing with the Payments API.
 *
 * <p>Many of the parameters used in the code are optional and are set here merely to call out their
 * existence. Please consult the documentation to learn more and feel free to remove ones not
 * relevant to your implementation.
 */
public class PaymentsUtil {

  public static final BigDecimal CENTS_IN_A_UNIT = new BigDecimal(100d);

  /**
   * Create a Google Pay API base request object with properties used in all requests.
   *
   * @return Google Pay API base request object.
   * @throws JSONException
   */
  private static JSONObject getBaseRequest() throws JSONException {
    return new JSONObject().put("apiVersion", 2).put("apiVersionMinor", 0);
  }

  /**
   * Creates an instance of {@link PaymentsClient} for use in an {@link Activity} using the
   * environment and theme set in {@link Constants}.
   *
   * @param activity is the caller's activity.
   */
  public static PaymentsClient createPaymentsClient(Activity activity) {
    Wallet.WalletOptions walletOptions =
        new Wallet.WalletOptions.Builder().setEnvironment(Constants.PAYMENTS_ENVIRONMENT).build();
    return Wallet.getPaymentsClient(activity, walletOptions);
  }

  /**
   * Gateway Integration: Identify your gateway and your app's gateway merchant identifier.
   *
   * <p>The Google Pay API response will return an encrypted payment method capable of being charged
   * by a supported gateway after payer authorization.
   *
   * <p>TODO: Check with your gateway on the parameters to pass and modify them in Constants.java.
   *
   * @return Payment data tokenization for the CARD payment method.
   * @throws JSONException
   * @see <a href=
   * "https://developers.google.com/pay/api/android/reference/object#PaymentMethodTokenizationSpecification">PaymentMethodTokenizationSpecification</a>
   */
  private static JSONObject getGatewayTokenizationSpecification() throws JSONException {
    return new JSONObject() {{
      put("type", "PAYMENT_GATEWAY");
      put("parameters", new JSONObject() {{
        put("gateway", "example");
        put("gatewayMerchantId", "exampleGatewayMerchantId");
      }});
    }};
  }

  /**
   * {@code DIRECT} Integration: Decrypt a response directly on your servers. This configuration has
   * additional data security requirements from Google and additional PCI DSS compliance complexity.
   *
   * <p>Please refer to the documentation for more information about {@code DIRECT} integration. The
   * type of integration you use depends on your payment processor.
   *
   * @return Payment data tokenization for the CARD payment method.
   * @throws JSONException
   * @see <a
   * href="https://developers.google.com/pay/api/android/reference/object#PaymentMethodTokenizationSpecification">PaymentMethodTokenizationSpecification</a>
   */
  private static JSONObject getDirectTokenizationSpecification()
      throws JSONException, RuntimeException {
    if (Constants.DIRECT_TOKENIZATION_PARAMETERS.isEmpty()
        || Constants.DIRECT_TOKENIZATION_PUBLIC_KEY.isEmpty()
        || Constants.DIRECT_TOKENIZATION_PUBLIC_KEY == null
        || Constants.DIRECT_TOKENIZATION_PUBLIC_KEY == "REPLACE_ME") {
      throw new RuntimeException(
          "Please edit the Constants.java file to add protocol version & public key.");
    }
    JSONObject tokenizationSpecification = new JSONObject();

    tokenizationSpecification.put("type", "DIRECT");
    JSONObject parameters = new JSONObject(Constants.DIRECT_TOKENIZATION_PARAMETERS);
    tokenizationSpecification.put("parameters", parameters);

    return tokenizationSpecification;
  }

  /**
   * Card networks supported by your app and your gateway.
   *
   * <p>TODO: Confirm card networks supported by your app and gateway & update in Constants.java.
   *
   * @return Allowed card networks
   * @see <a
   * href="https://developers.google.com/pay/api/android/reference/object#CardParameters">CardParameters</a>
   */
  private static JSONArray getAllowedCardNetworks() {
    return new JSONArray(Constants.SUPPORTED_NETWORKS);
  }

  /**
   * Card authentication methods supported by your app and your gateway.
   *
   * <p>TODO: Confirm your processor supports Android device tokens on your supported card networks
   * and make updates in Constants.java.
   *
   * @return Allowed card authentication methods.
   * @see <a
   * href="https://developers.google.com/pay/api/android/reference/object#CardParameters">CardParameters</a>
   */
  private static JSONArray getAllowedCardAuthMethods() {
    return new JSONArray(Constants.SUPPORTED_METHODS);
  }

  /**
   * Describe your app's support for the CARD payment method.
   *
   * <p>The provided properties are applicable to both an IsReadyToPayRequest and a
   * PaymentDataRequest.
   *
   * @return A CARD PaymentMethod object describing accepted cards.
   * @throws JSONException
   * @see <a
   * href="https://developers.google.com/pay/api/android/reference/object#PaymentMethod">PaymentMethod</a>
   */
  private static JSONObject getBaseCardPaymentMethod() throws JSONException {
    JSONObject cardPaymentMethod = new JSONObject();
    cardPaymentMethod.put("type", "CARD");

    JSONObject parameters = new JSONObject();
    parameters.put("allowedAuthMethods", getAllowedCardAuthMethods());
    parameters.put("allowedCardNetworks", getAllowedCardNetworks());
    // Optionally, you can add billing address/phone number associated with a CARD payment method.
    parameters.put("billingAddressRequired", true);

    JSONObject billingAddressParameters = new JSONObject();
    billingAddressParameters.put("format", "FULL");

    parameters.put("billingAddressParameters", billingAddressParameters);

    cardPaymentMethod.put("parameters", parameters);

    return cardPaymentMethod;
  }

  /**
   * Describe the expected returned payment data for the CARD payment method
   *
   * @return A CARD PaymentMethod describing accepted cards and optional fields.
   * @throws JSONException
   * @see <a
   * href="https://developers.google.com/pay/api/android/reference/object#PaymentMethod">PaymentMethod</a>
   */
  private static JSONObject getCardPaymentMethod() throws JSONException {
    JSONObject cardPaymentMethod = getBaseCardPaymentMethod();
    cardPaymentMethod.put("tokenizationSpecification", getGatewayTokenizationSpecification());

    return cardPaymentMethod;
  }

  /**
   * An object describing accepted forms of payment by your app, used to determine a viewer's
   * readiness to pay.
   *
   * @return API version and payment methods supported by the app.
   * @see <a
   * href="https://developers.google.com/pay/api/android/reference/object#IsReadyToPayRequest">IsReadyToPayRequest</a>
   */
  public static Optional<JSONObject> getIsReadyToPayRequest() {
    try {
      JSONObject isReadyToPayRequest = getBaseRequest();
      isReadyToPayRequest.put(
          "allowedPaymentMethods", new JSONArray().put(getBaseCardPaymentMethod()));

      return Optional.of(isReadyToPayRequest);

    } catch (JSONException e) {
      return Optional.empty();
    }
  }

  /**
   * Provide Google Pay API with a payment amount, currency, and amount status.
   *
   * @return information about the requested payment.
   * @throws JSONException
   * @see <a
   * href="https://developers.google.com/pay/api/android/reference/object#TransactionInfo">TransactionInfo</a>
   */
  private static JSONObject getTransactionInfo(String price) throws JSONException {
    JSONObject transactionInfo = new JSONObject();
    transactionInfo.put("totalPrice", price);
    transactionInfo.put("totalPriceStatus", "FINAL");
    transactionInfo.put("countryCode", Constants.COUNTRY_CODE);
    transactionInfo.put("currencyCode", Constants.CURRENCY_CODE);
    transactionInfo.put("checkoutOption", "COMPLETE_IMMEDIATE_PURCHASE");

    return transactionInfo;
  }

  /**
   * Information about the merchant requesting payment information
   *
   * @return Information about the merchant.
   * @throws JSONException
   * @see <a
   * href="https://developers.google.com/pay/api/android/reference/object#MerchantInfo">MerchantInfo</a>
   */
  private static JSONObject getMerchantInfo() throws JSONException {
    return new JSONObject().put("merchantName", "Example Merchant");
  }

  /**
   * An object describing information requested in a Google Pay payment sheet
   *
   * @return Payment data expected by your app.
   * @see <a
   * href="https://developers.google.com/pay/api/android/reference/object#PaymentDataRequest">PaymentDataRequest</a>
   */
  public static Optional<JSONObject> getPaymentDataRequest(long priceCents) {

    final String price = PaymentsUtil.centsToString(priceCents);

    try {
      JSONObject paymentDataRequest = PaymentsUtil.getBaseRequest();
      paymentDataRequest.put(
          "allowedPaymentMethods", new JSONArray().put(PaymentsUtil.getCardPaymentMethod()));
      paymentDataRequest.put("transactionInfo", PaymentsUtil.getTransactionInfo(price));
      paymentDataRequest.put("merchantInfo", PaymentsUtil.getMerchantInfo());

      /* An optional shipping address requirement is a top-level property of the PaymentDataRequest
      JSON object. */
      paymentDataRequest.put("shippingAddressRequired", true);

      JSONObject shippingAddressParameters = new JSONObject();
      shippingAddressParameters.put("phoneNumberRequired", false);

      JSONArray allowedCountryCodes = new JSONArray(Constants.SHIPPING_SUPPORTED_COUNTRIES);

      shippingAddressParameters.put("allowedCountryCodes", allowedCountryCodes);
      paymentDataRequest.put("shippingAddressParameters", shippingAddressParameters);
      return Optional.of(paymentDataRequest);

    } catch (JSONException e) {
      return Optional.empty();
    }
  }

  /**
   * Converts cents to a string format accepted by {@link PaymentsUtil#getPaymentDataRequest}.
   *
   * @param cents value of the price in cents.
   */
  public static String centsToString(long cents) {
    return new BigDecimal(cents)
        .divide(CENTS_IN_A_UNIT, RoundingMode.HALF_EVEN)
        .setScale(2, RoundingMode.HALF_EVEN)
        .toString();
  }
}