payment_gateway_plugin 4.0.0

Omniware's Payment Gateway Plugin for Flutter

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:payment_gateway_plugin/payment_gateway_plugin.dart';
import 'hash_generator.dart';

void main() {
  PaymentGatewayPlugin.init();
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: _AppState(),
    );
  }
}

class _AppState extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<_AppState> {
  dynamic response;
  String paymentResponse = "";

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Payment Gateway'),
        ),
        body: Padding(
          padding: const EdgeInsets.all(10),
          child: ListView(
            children: <Widget>[
              Container(
                alignment: Alignment.center,
                padding: const EdgeInsets.all(10),
                child: const Text(
                  'Welcome Payment Gateway',
                  style: TextStyle(
                    color: Colors.blue,
                    fontWeight: FontWeight.w500,
                    fontSize: 30,
                  ),
                ),
              ),
              Container(
                height: 50,
                padding: const EdgeInsets.fromLTRB(10, 0, 10, 0),
                child: ElevatedButton(
                  child: const Text('Pay Now'),
                  onPressed: () {
                    final params = getParams(); // Get parameters from hash_generator
                    print("Params => " + params.toString());
                    // Initiate payment
                    open(params, context);
                  },
                ),
              ),
              if (paymentResponse.isNotEmpty)
                Container(
                  alignment: Alignment.center,
                  padding: const EdgeInsets.all(10),
                  child: Text(
                    'Payment Response : $paymentResponse',
                    style: const TextStyle(
                      color: Colors.blue,
                      fontWeight: FontWeight.w500,
                      fontSize: 20,
                    ),
                  ),
                ),
              if(paymentResponse.isEmpty)
                Container(
                  alignment: Alignment.center,
                  padding: const EdgeInsets.all(10),
                  child: const Text(
                    'Payment Response is Empty',
                    style: TextStyle(
                      color: Colors.blue,
                      fontWeight: FontWeight.w500,
                      fontSize: 20,
                    ),
                  ),
                ),
            ],
          ),
        ),
      ),
    );
  }

  void open(Map<String, dynamic> request, BuildContext context) async {
    try {
      print("Request Params => " + request.toString());
      response = await PaymentGatewayPlugin.open('https://pgbiz.omniware.in', request);

      if (response != null) {
        print("Response => ${response.toString()}"); // This prints the map to console
        String status = response['status'] ?? 'Unknown';
        String responseMessage = response['response']?.toString() ?? 'No response';

        setState(() {
          paymentResponse = "Status: $status\nResponse: $responseMessage";
        });
      } else {
        setState(() {
          paymentResponse = "No response received from the payment gateway.";
        });
      }
    } on PlatformException {
      setState(() {
        paymentResponse = 'Failed to initiate payment.';
      });
    }
  }
}