flutter_payu_unofficial 1.0.3

Unofficial PayU Money Flutter Plugin supports Android & iOS.

example/lib/main.dart

import 'dart:convert';
import 'package:crypto/crypto.dart';
import 'package:flutter/material.dart';
import 'package:flutter_payu_unofficial/flutter_payu_unofficial.dart';
import 'package:flutter_payu_unofficial/models/payment_params_model.dart';
import 'package:flutter_payu_unofficial/models/payment_result.dart';
import 'package:flutter_payu_unofficial/models/payment_status.dart';
import 'dart:async';

import 'package:flutter_payu_unofficial_example/credentials.dart';
import 'package:flutter_payu_unofficial_example/widgets/common_text_field.dart';

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

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

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
  }

  TextEditingController _merchantIDTextFieldController =
      TextEditingController(text: merchantID);
  TextEditingController _merchantKeyTextFieldController =
      TextEditingController(text: merchantKey);
  TextEditingController _saltTextFieldController =
      TextEditingController(text: salt);
  TextEditingController _amountTextFieldController =
      TextEditingController(text: "100");
  TextEditingController _transactionIDTextFieldController =
      TextEditingController(
          text: DateTime.now().millisecondsSinceEpoch.toString());
  TextEditingController _nameTextFieldController =
      TextEditingController(text: "Test Name");
  TextEditingController _productInfoTextFieldController =
      TextEditingController(text: "Test Product");
  TextEditingController _emailTextFieldController =
      TextEditingController(text: "[e-mail]");

  Future<void> pay() async {
    PaymentParams _paymentParam = PaymentParams(
      merchantID: _merchantIDTextFieldController.text,
      merchantKey: _merchantKeyTextFieldController.text,
      salt: _saltTextFieldController.text,
      amount: _amountTextFieldController.text,
      transactionID: _transactionIDTextFieldController.text,
      firstName: _nameTextFieldController.text,
      email: _emailTextFieldController.text,
      productName: _productInfoTextFieldController.text,
      phone: "9876543210",
      fURL: "https://www.payumoney.com/mobileapp/payumoney/failure.php",
      sURL: "https://www.payumoney.com/mobileapp/payumoney/success.php",
      udf1: "udf1",
      udf2: "udf2",
      udf3: "udf3",
      udf4: "udf4",
      udf5: "udf5",
      udf6: "",
      udf7: "",
      udf8: "",
      udf9: "",
      udf10: "",
      hash:
          "", //Hash is required will initialise with empty string now to set actuall hash later
      isDebug: true, // true for Test Mode, false for Production
    );

    //Generating local hash
    var bytes = utf8.encode(
        "${_paymentParam.merchantKey}|${_paymentParam.transactionID}|${_paymentParam.amount}|${_paymentParam.productName}|${_paymentParam.firstName}|${_paymentParam.email}|udf1|udf2|udf3|udf4|udf5||||||${_paymentParam.salt}");
    String localHash = sha512.convert(bytes).toString();
    _paymentParam.hash = localHash;

    try {
      PayuPaymentResult _paymentResult =
          await FlutterPayuUnofficial.initiatePayment(
              paymentParams: _paymentParam, showCompletionScreen: true);

      //Checks for success and prints result

      if (_paymentResult != null) {
        //_paymentResult.status is String of course. Directly fetched from payU's Payment response. More statuses can be compared manually

        if (_paymentResult.status == PayuPaymentStatus.success) {
          print("Success: ${_paymentResult.response}");
        } else if (_paymentResult.status == PayuPaymentStatus.failed) {
          print("Failed: ${_paymentResult.response}");
        } else if (_paymentResult.status == PayuPaymentStatus.cancelled) {
          print("Cancelled by User: ${_paymentResult.response}");
        } else {
          print("Response: ${_paymentResult.response}");
          print("Status: ${_paymentResult.status}");
        }
      } else {
        print("Something's rotten here");
      }
    } catch (e) {
      print(e);
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
          appBar: AppBar(
            title: const Text('PayU Money Example'),
          ),
          body: SingleChildScrollView(
            child: Column(
              children: [
                CommonTextField(
                  hint: "Merchant ID",
                  controller: _merchantIDTextFieldController,
                ),
                CommonTextField(
                  hint: "Merchant Key",
                  controller: _merchantKeyTextFieldController,
                ),
                CommonTextField(
                  hint: "Salt",
                  controller: _saltTextFieldController,
                ),
                CommonTextField(
                  hint: "Amount",
                  controller: _amountTextFieldController,
                ),
                CommonTextField(
                  hint: "Transaction ID",
                  controller: _transactionIDTextFieldController,
                ),
                CommonTextField(
                  hint: "Name",
                  controller: _nameTextFieldController,
                ),
                CommonTextField(
                  hint: "Product Info",
                  controller: _productInfoTextFieldController,
                ),
                CommonTextField(
                  hint: "Email",
                  controller: _emailTextFieldController,
                ),
                Padding(
                  padding: const EdgeInsets.all(8.0),
                  child: RaisedButton(
                    onPressed: pay,
                    child: Text("Pay"),
                  ),
                )
              ],
            ),
          )),
    );
  }
}