Payment Gateway razorpay in Flutter

Payment Gateway razorpay in Flutter :

This flutter tutorial post is payment getwayrazorpay in flutter.

dependencies

razorpay_flutter:

fluttertoast:

Import package

import ‘package:razorpay_flutter/razorpay_flutter.dart’;

Make sure that the minimum API level for your app is 19 or higher.Make sure that the minimum deployment target for your app is iOS 10.0 or higher. Also, don’t forget to enable bitcode for your project.

Attach event listeners

_razorpay.on(Razorpay.EVENT_PAYMENT_SUCCESS, _handlePaymentSuccess);

_razorpay.on(Razorpay.EVENT_PAYMENT_ERROR, _handlePaymentError);

_razorpay.on(Razorpay.EVENT_EXTERNAL_WALLET, _handleExternalWallet);

_razorpay.clear(); // Removes all listeners

main.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:razorpay_flutter/razorpay_flutter.dart';
import 'package:fluttertoast/fluttertoast.dart';

void main() => runApp(MyApp());

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

class _MyAppState extends State<MyApp> {
  static const platform = const MethodChannel("razorpay_flutter");

  Razorpay _razorpay;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Razorpay'),
        ),
        body: Center(
            child: Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  RaisedButton(onPressed: openCheckout, child: Text('Open'))
                ])),
      ),
    );
  }

  @override
  void initState() {
    super.initState();
    _razorpay = Razorpay();
    _razorpay.on(Razorpay.EVENT_PAYMENT_SUCCESS, _handlePaymentSuccess);
    _razorpay.on(Razorpay.EVENT_PAYMENT_ERROR, _handlePaymentError);
    _razorpay.on(Razorpay.EVENT_EXTERNAL_WALLET, _handleExternalWallet);
  }

  @override
  void dispose() {
    super.dispose();
    _razorpay.clear();
  }

  void openCheckout() async {
    var options = {
      'key': 'rzp_test_1DP5mmOlF5G5ag',
      'amount': 2000,
      'name': 'Flutter Book',
      'image': 'https://www.73lines.com/web/image/12427',
      'description': 'Flutter Tutorial',
      'prefill': {'contact': '', 'email': ''},
      /*'external': {
        'wallets': ['paytm']
      }*/
    };

    try {
      _razorpay.open(options);
    } catch (e) {
      debugPrint(e);
    }
  }

  void _handlePaymentSuccess(PaymentSuccessResponse response) {
    Fluttertoast.showToast(
        msg: "SUCCESS: " + response.paymentId, timeInSecForIos: 4);
  }

  void _handlePaymentError(PaymentFailureResponse response) {
    Fluttertoast.showToast(
        msg: "ERROR: " + response.code.toString() + " - " + response.message,
        timeInSecForIos: 4);
  }

  void _handleExternalWallet(ExternalWalletResponse response) {
    Fluttertoast.showToast(
        msg: "EXTERNAL_WALLET: " + response.walletName, timeInSecForIos: 4);
  }
}

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