begateway_flutter_sdk

Description:

begateway flutter sdk

Use the Flutter gateway library to add payments to your Flutter app.
Platform Support #



Android
iOS




Google Pay
Apple Pay



Getting started #
Before you start, create an account with the payment providers you are planning to support and follow the setup instructions:
beGateway:

Take a look at the integration requirements.

Apple Pay:

Take a look at the integration requirements.
Create a merchant identifier for your business.
Create a payment processing certificate to encrypt payment information.

Google Pay:

Take a look at the integration requirements.
Sign up to the business console and create an account.

Usage #
To start using this library, add begateway_flutter_sdk as a dependency in your pubspec.yaml file:
dependencies:
begateway_flutter_sdk: ^0.0.1
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Example: #
Config for ApplePay:
const String defaultApplePay = '''{
"provider": "apple_pay",
"data": {
"merchantIdentifier": "merchant.your.number",
"displayName": "Your company'",
"merchantCapabilities": ["3DS", "debit", "credit"],
"supportedNetworks": ["amex", "visa", "discover", "masterCard"],
"countryCode": "GB",
"currencyCode": "GBP",
"requiredBillingContactFields": ["[email protected]", "Rick Astley", "+14845219741", "123456"],
"requiredShippingContactFields": [],
"shippingMethods": [
{
"amount": "0.00",
"detail": "Available within an hour",
"identifier": "in_store_pickup",
"label": "In-Store Pickup"
},
{
"amount": "0.00",
"detail": "5-8 Business Days",
"identifier": "flat_rate_shipping_id_2",
"label": "UPS Ground"
},
{
"amount": "42.99",
"detail": "1-3 Business Days",
"identifier": "flat_rate_shipping_id_1",
"label": "FedEx Priority Mail"
}
]
}
}''';
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Config for GooglePay:

const String defaultGooglePay = '''{
"provider": "google_pay",
"data": {
"environment": "TEST",
"apiVersion": 2,
"apiVersionMinor": 0,
"allowedPaymentMethods": [
{
"type": "CARD",
"tokenizationSpecification": {
"type": "PAYMENT_GATEWAY",
"parameters": {
"gateway": "example",
"gatewayMerchantId": "gatewayMerchantId"
}
},
"parameters": {
"allowedCardNetworks": ["VISA", "MASTERCARD"],
"allowedAuthMethods": ["PAN_ONLY", "CRYPTOGRAM_3DS"],
"billingAddressRequired": true,
"billingAddressParameters": {
"format": "FULL",
"phoneNumberRequired": true
}
}
}
],
"merchantInfo": {
"merchantId": "01234567890123456789",
"merchantName": "Example Merchant Name"
},
"transactionInfo": {
"countryCode": "US",
"currencyCode": "USD"
}
}
}''';
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Config for products:
const products = [
{
'label': 'Total',
'amount': '42.99',
'status': 'PaymentItemStatus.final_price',

},
];
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Code:
import 'package:flutter/material.dart';
import 'package:begateway_flutter_sdk.dart';

void main() {
runApp(const MyApp());
}

class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
bool isBegateway = false;
Map<String, dynamic> answear = {};

void showIsBegateway(bool newValue) {
setState(() {
isBegateway = newValue;
});
}

void getAnswearFromBegateway(Map<String, dynamic> answerFromServer) {
setState(() {
answear = answerFromServer;
debugPrint('Answear from: ${answerFromServer.toString()}');
});
}

@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: isBegateway
? Begateway(
//required parameters
showIsBegateway: showIsBegateway,
getAnswearFromBegateway: getAnswearFromBegateway,
publicKey:
'your beGateway public key or token',
test: true,
transactionType: 'payment',
amount: '4299',
currency: 'GBP',
description: 'Some description about product',
language: 'ru',
holder: 'Rick Astley',
customerCountry: 'GB',
customerEmail: '[email protected]',
customerContract: true,
buttonText: 'Купить часы 42.99\$',
applePayConfig: defaultApplePay,
googlePayConfig: defaultGooglePay,
paymentItems: products,

//optional parameters for customizing styles

cardNumberColor: 0xFF1d1d21,
cardNumberSize: 14,
cardNumberHintColor: 0xFF787982,
cardNumberHintSize: 14,
cardNumberHintText: 'Custom text',
cardNumberTitleColor: 0xFF0526fc,
cardNumberTitleSize: 14,
cardNumberTitleText: 'Custom title',
cardNumberHintHide: false,
cardNumberTitleHide: false,

expireDateColor: 0xFF1d1d21,
expireDateSize: 14,
expireDateHintColor: 0xFF787982,
expireDateHintSize: 14,
expireDateHintText: 'Text',
expireDateTitleColor: 0xFF0526fc,
expireDateTitleSize: 14,
expireDateTitleText: 'Custom title',
expireDateHintHide: false,
expireDateTitleHide: false,

cvcCvvColor: 0xFF1d1d21,
cvcCvvSize: 14,
cvcCvvHintColor: 0xFF787982,
cvcCvvHintSize: 14,
cvcCvvHintText: 'Custom text',
cvcCvvTitleColor: 0xFF0044FF,
cvcCvvTitleSize: 14,
cvcCvvTitleText: 'Custom title',
cvcHideText: false,
cvcCvvHintHide: false,
cvcCvvTitleHide: false,

cardholderColor: 0xFF1d1d21,
cardholderSize: 14,
cardholderHintColor: 0xFF787982,
cardholderHintSize: 14,
cardholderHintText: 'Custom text',
cardholderTitleColor: 0xFF0526fc,
cardholderTitleSize: 14,
cardholderTitleText: 'Custom title',
cardholderHintHide: false,
cardholderTitleHide: false,

borderColor: 0xFF787982,
borderFocusColor: 0xFF0526fc,
borderWidth: 1,
borderFocusWidth: 2,

errorBorderColor: 0xFFfc0505,
errorBorderWidth: 1,
errorBorderFocusColor: 0xFFfc0505,
errorBorderFocusWidth: 2,
errorTextColor: 0xFFfc0505,
errorTextSize: 10,

errorCardNumberText: 'Custom text error',
errorExpireDateText: 'Custom text error',
errorCvcCvvText: 'Custom text error',
errorCardholderText: 'Custom text error',
errorTextHide: true,
)
: Scaffold(
appBar: AppBar(
title: const Text('Your app'),
backgroundColor: Colors.orange,
),
body: SafeArea(
child: Padding(
padding: const EdgeInsets.all(16),
child: answear.isEmpty
? const Center(
child: Text(
'YOUR PRODUCT 42.99\$',
style: TextStyle(fontSize: 24),
textAlign: TextAlign.center,
),
)
: Center(
child: Text(
'Status: ${answear["checkout"]["status"].toString()}',
style: const TextStyle(fontSize: 24),
textAlign: TextAlign.center,
),
),
),
),
bottomNavigationBar: SafeArea(
child: Padding(
padding: const EdgeInsets.all(16),
child: SizedBox(
width: double.infinity,
height: 50,
child: ElevatedButton(
onPressed: () {
showIsBegateway(true);
},
style: ButtonStyle(
backgroundColor:
MaterialStateProperty.all<Color>(Colors.orange),
),
child: const Text('Buy Now'),
),
),
),
),
),
);
}
}

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Additional information #
Take a look at the following resources to manage your payment accounts and learn more about the APIs for the supported providers:




Google Pay
Apple Pay




Platforms
 Android
 iOS


 Documentation
 Overview
Overview


 Console
 Google Pay Business Console
Developer portal


Reference
API reference
 Apple Pay API


Style guidelines
 Brand guidelines
Buttons and Marks