payu_checkoutpro_flutter 1.1.2-dev.1

The Checkout Pro for Flutter provides a complete Mobile Checkout solution for the Flutter App. The Checkout Pro experience allows you to integrate with the PayU PG with minimal integration effort to a [...]

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:payu_checkoutpro_flutter_example/HashService.dart';
import 'package:payu_checkoutpro_flutter/payu_checkoutpro_flutter.dart';
import 'package:payu_checkoutpro_flutter/PayUConstantKeys.dart';
import 'dart:convert';


void main() {
  runApp(MaterialApp(home: MyApp()));
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> implements PayUCheckoutProProtocol {
  
  late PayUCheckoutProFlutter _checkoutPro;

  @override
  void initState() {
    super.initState();
      _checkoutPro = PayUCheckoutProFlutter(this);
  }

   @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('PayU Checkout Pro'),
        ),
        body: Center(
          child: ElevatedButton(
            child: const Text("Start Payment"),
            onPressed: () async {
              _checkoutPro.openCheckoutScreen(
                payUPaymentParams: PayUParams.createPayUPaymentParams(),
                payUCheckoutProConfig: PayUParams.createPayUConfigParams(),
              );
            },
          ),
        ),
      ),
    );
  }

  showAlertDialog(BuildContext context, String title, String content) {
    Widget okButton = TextButton(
      child: const Text("OK"),
      onPressed: () {
        Navigator.pop(context);
      },
    );

    showDialog(
        context: context,
        builder: (BuildContext context) {
          return AlertDialog(
            title: Text(title),
            content: SingleChildScrollView(
              scrollDirection: Axis.vertical,

              child: new Text(content),
            ),
            actions: [okButton],
          );
        });
  }

  @override
  generateHash(Map response) {
    // Pass response param to your backend server
    // Backend will generate the hash and will callback to
    Map hashResponse = HashService.generateHash(response);
    _checkoutPro.hashGenerated(hash: hashResponse);
  }

  @override
  onPaymentSuccess(dynamic response) {
    showAlertDialog(context, "onPaymentSuccess", response.toString());
  }

  @override
  onPaymentFailure(dynamic response) {
    showAlertDialog(context, "onPaymentFailure", response.toString());
  }

  @override
  onPaymentCancel(Map? response) {
    showAlertDialog(context, "onPaymentCancel", response.toString());
  }

  @override
  onError(Map? response) {
    showAlertDialog(context, "onError", response.toString());
  }
}

class PayUTestCredentials { 
  static const merchantKey = "rM5M43";//TODO: Add Merchant Key
  //Use your success and fail URL's.
  
  static const iosSurl = "https://payu.herokuapp.com/ios_success";//TODO: Add Success URL.
  static const iosFurl = "https://payu.herokuapp.com/ios_failure";//TODO Add Fail URL.
  static const androidSurl = "https://payu.herokuapp.com/success";//TODO: Add Success URL. 
  static const androidFurl = "https://payu.herokuapp.com/failure";//TODO Add Fail URL.


  static const merchantAccessKey = "";//TODO: Add Merchant Access Key - Optional
  static const sodexoSourceId = ""; //TODO: Add sodexo Source Id - Optional
}

//Pass these values from your app to SDK, this data is only for test purpose
class PayUParams {
  static Map createPayUPaymentParams() {
    var siParams = {
      PayUSIParamsKeys.isFreeTrial: true,
      PayUSIParamsKeys.billingAmount: '1',              //Required
      PayUSIParamsKeys.billingInterval: 1,              //Required
      PayUSIParamsKeys.paymentStartDate: '2023-04-20',  //Required
      PayUSIParamsKeys.paymentEndDate: '2023-04-30',    //Required
      PayUSIParamsKeys.billingCycle:                    //Required
          'daily', //Can be any of 'daily','weekly','yearly','adhoc','once','monthly'
      PayUSIParamsKeys.remarks: 'Test SI transaction',
      PayUSIParamsKeys.billingCurrency: 'INR',
      PayUSIParamsKeys.billingLimit: 'ON', //ON, BEFORE, AFTER
      PayUSIParamsKeys.billingRule: 'MAX', //MAX, EXACT
    };

    var additionalParam = {
      PayUAdditionalParamKeys.udf1: "udf1",
      PayUAdditionalParamKeys.udf2: "udf2",
      PayUAdditionalParamKeys.udf3: "udf3",
      PayUAdditionalParamKeys.udf4: "udf4",
      PayUAdditionalParamKeys.udf5: "udf5",
      PayUAdditionalParamKeys.merchantAccessKey:
          PayUTestCredentials.merchantAccessKey,
      PayUAdditionalParamKeys.sourceId:PayUTestCredentials.sodexoSourceId,
    };


var spitPaymentDetails =
   {
     "type": "absolute",
     "splitInfo": {
       PayUTestCredentials.merchantKey: {
         "aggregatorSubTxnId": "1234567540099887766650092", //unique for each transaction
         "aggregatorSubAmt": "1"
       },
       /* "qOoYIv": {
          "aggregatorSubTxnId": "12345678",
          "aggregatorSubAmt": "40"
       },*/
     }
   };

 var skus =  [ {
                                  "skuId": "puspendraskuwallet1",
                                  "skuName": "Smartphone",
                                  "skuAmount": "6000",
                                  "quantity": 1,
                                  "offerKeys": null
                                },
                                {
                                  "skuId": "puspendraskuwallet2",
                                  "skuName": "Smartwatch",
                                  "skuAmount": "6000",
                                  "quantity": 1,
                                  "offer_key": null
                                }
                              ];
         var skuDetails = {
         "skus" : skus
         };

    var payUPaymentParams = {
      PayUPaymentParamKey.key: PayUTestCredentials.merchantKey,
      PayUPaymentParamKey.amount: "12000", // inCase of skudDetails pass amount equal to total skuAmount
      PayUPaymentParamKey.productInfo: "Info",
      PayUPaymentParamKey.firstName: "Abc",
      PayUPaymentParamKey.email: "[e-mail]",
      PayUPaymentParamKey.phone: "9999999999",
      PayUPaymentParamKey.ios_surl: PayUTestCredentials.iosSurl,
      PayUPaymentParamKey.ios_furl: PayUTestCredentials.iosFurl,
      PayUPaymentParamKey.android_surl: PayUTestCredentials.androidSurl,
      PayUPaymentParamKey.android_furl: PayUTestCredentials.androidFurl, 
      PayUPaymentParamKey.environment: "0", //0 => Production 1 => Test
      PayUPaymentParamKey.userCredential: null, //TODO: Pass user credential to fetch saved cards => A:B - Optional
      PayUPaymentParamKey.transactionId:
          DateTime.now().millisecondsSinceEpoch.toString(),
      PayUPaymentParamKey.additionalParam: additionalParam,
      PayUPaymentParamKey.enableNativeOTP: true,
     // PayUPaymentParamKey.splitPaymentDetails:json.encode(spitPaymentDetails),
//TODO: Pass a unique token to fetch offers. - Optional
      PayUPaymentParamKey.skuDetails: skuDetails,  // Pass skuDetails to fetch product offers. - Optional
      PayUPaymentParamKey.userToken:"anshul_bajpai_token", //TODO: Pass a unique token to fetch offers. - Optional
    };

    return payUPaymentParams;
  }

  static Map createPayUConfigParams() {
    var paymentModesOrder = [
      {"Wallets": "PHONEPE"},
      {"UPI": "TEZ"},
      {"Wallets": ""},
      {"EMI": ""},
      {"NetBanking": ""},
    ];

    var cartDetails = [
      {"GST": "5%"},
      {"Delivery Date": "25 Dec"},
      {"Status": "In Progress"}
    ];
    var enforcePaymentList = [
      {"payment_type": "CARD", "enforce_ibiboCode": "UTIBENCC"},
    ];

     var customNotes = [
      {
        "custom_note": "Its Common custom note for testing purpose",
        "custom_note_category": [PayUPaymentTypeKeys.emi,PayUPaymentTypeKeys.card]
      },
      {
        "custom_note": "Payment options custom note",
        "custom_note_category": null
      }
    ];

    var payUCheckoutProConfig = {
      PayUCheckoutProConfigKeys.primaryColor: "#4994EC",
      PayUCheckoutProConfigKeys.secondaryColor: "#FFFFFF",
      PayUCheckoutProConfigKeys.merchantName: "PayU",
      PayUCheckoutProConfigKeys.merchantLogo: "logo",
      PayUCheckoutProConfigKeys.showExitConfirmationOnCheckoutScreen: true,
      PayUCheckoutProConfigKeys.showExitConfirmationOnPaymentScreen: true,
      PayUCheckoutProConfigKeys.cartDetails: cartDetails,
      PayUCheckoutProConfigKeys.paymentModesOrder: paymentModesOrder,
      PayUCheckoutProConfigKeys.merchantResponseTimeout: 30000,
      PayUCheckoutProConfigKeys.customNotes: customNotes,
      PayUCheckoutProConfigKeys.autoSelectOtp: true,
      // PayUCheckoutProConfigKeys.enforcePaymentList: enforcePaymentList,
      PayUCheckoutProConfigKeys.waitingTime: 30000,
      PayUCheckoutProConfigKeys.autoApprove: true,
      PayUCheckoutProConfigKeys.merchantSMSPermission: true,
      PayUCheckoutProConfigKeys.showCbToolbar: true,
      PayUCheckoutProConfigKeys.showMerchantLogo : false,
      PayUCheckoutProConfigKeys.enableSavedCard : true,
      PayUCheckoutProConfigKeys.enableSslDialog : true,
      PayUCheckoutProConfigKeys.baseTextColor : "#4994EC"
    };
    return payUCheckoutProConfig;
  }
}