flutter_hl_vnpay

Description:

flutter hl vnpay

Introduction #
flutter_hl_vnpay is a VNPay plugin for Flutter, a new app SDK to help developers build modern multi-platform apps.
Getting Started #
iOS
In the ios/Runner/Info.plist let’s add:
<dict>
<key>NSAppTransportSecurity</key>
<dict>
<key>NSAllowsArbitraryLoads</key>
<true/>
<key>NSAllowsArbitraryLoadsInWebContent</key>
<true/>
</dict>
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<key>CFBundleURLTypes</key>
<array>
<dict>
<key>CFBundleTypeRole</key>
<string>Editor</string>
<key>CFBundleURLName</key>
<string>com.hlsolutions.hoishipper</string>
<key>CFBundleURLSchemes</key>
<array>
<string>hlsolutions</string>
</array>
</dict>
</array>

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Android
Usage #
1. Depend
Add this to you package's pubspec.yaml file:
dependencies:
flutter_hl_vnpay: ^2.0.1
crypto: 2.1.5
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2. Install
Run command:
$ flutter pub get
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3. Import
Import in Dart code:
import 'package:flutter/services.dart';
import 'package:flutter_hl_vnpay/flutter_hl_vnpay.dart';
import 'package:crypto/crypto.dart';
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4. Using VNPAY
https://sandbox.vnpayment.vn/apis/docs/huong-dan-tich-hop/#t%E1%BA%A1o-url-thanh-to%C3%A1n
try {
String url = 'http://sandbox.vnpayment.vn/paymentv2/vpcpay.html';
String tmnCode = 'XXX'; // Get from VNPay
String hashKey = 'XXX'; // Get from VNPay

final params = <String, dynamic>{
'vnp_Command': 'pay',
'vnp_Amount': '3000000',
'vnp_CreateDate': '20210315151908',
'vnp_CurrCode': 'VND',
'vnp_IpAddr': '192.168.15.102',
'vnp_Locale': 'vn',
'vnp_OrderInfo': '5fa66b8b5f376a000417e501 pay coin 30000 VND',
'vnp_ReturnUrl': 'XXX', // Your Server https://sandbox.vnpayment.vn/apis/docs/huong-dan-tich-hop/#code-returnurl
'vnp_TmnCode': tmnCode,
'vnp_TxnRef': '604f187c862cd70004478e',
'vnp_Version': '2.0.0'
};

final sortedParams = FlutterHlVnpay.instance.sortParams(params);
final hashDataBuffer = new StringBuffer();
sortedParams.forEach((key, value) {
hashDataBuffer.write(key);
hashDataBuffer.write('=');
hashDataBuffer.write(value);
hashDataBuffer.write('&');
});
final hashData = hashDataBuffer.toString().substring(0, hashDataBuffer.length - 1);
final query = Uri(queryParameters: sortedParams).query;
print('hashData = $hashData');
print('query = $query');

var bytes = utf8.encode(hashKey + hashData.toString());
final vnpSecureHash = sha256.convert(bytes);
final paymentUrl = "$url?$query&vnp_SecureHashType=SHA256&vnp_SecureHash=$vnpSecureHash";
print('paymentUrl = $paymentUrl');
paymentResultCodeCode = (await FlutterHlVnpay.instance.show(paymentUrl: paymentUrl, tmnCode: tmnCode)).toString();
} on PlatformException {
paymentResultCodeCode = 'Failed to get payment result code';
}
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