monnify_payment_sdk 1.0.0

Flutter plugin for Monnify payment gateway. Supports Android and iOS.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';
import 'dart:math';

import 'package:flutter/services.dart';
import 'package:monnify_payment_sdk/application_mode.dart';
import 'package:monnify_payment_sdk/monnify_payment_sdk.dart';
import 'package:monnify_payment_sdk/payment_method.dart';
import 'package:monnify_payment_sdk/transaction.dart';
import 'package:monnify_payment_sdk/transaction_response.dart';

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

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

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

class _MyAppState extends State<MyApp> {
  late BuildContext mContext;
  final _monnifyPaymentSdkPlugin = MonnifyPaymentSdk();

  @override
  void initState() {
    super.initState();
        initializeSdk();

  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion = await _monnifyPaymentSdkPlugin.getPlatformVersion() ??
          'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    
  }

  Future<void> initializeSdk() async {
    try {
      if (await _monnifyPaymentSdkPlugin.initialize(
          apiKey: 'Add your api key',
          contractCode: 'add your contract code',
          applicationMode: ApplicationMode.TEST)) {
        _showToast("SDK initialized!");
      }
    } on PlatformException catch (e, s) {
      print("Error initializing sdk");
      print(e);
      print(s);

      _showToast("Failed to init sdk!");
    }
  }

  Future<void> initPayment() async {
    TransactionResponse transactionResponse;

    try {
      transactionResponse = await _monnifyPaymentSdkPlugin.initializePayment(
          transaction: Transaction(
        2000.0,
        "NGN",
        "Customer Name",
        "[e-mail]",
        getRandomString(15),
        "Description of payment",
        metaData: {"ip": "196.168.45.22", "device": "mobile"},
        paymentMethods: [PaymentMethod.CARD, PaymentMethod.ACCOUNT_TRANSFER],
        /*incomeSplitConfig: [SubAccountDetails("MFY_SUB_319452883968", 10.5, 500, true),
                SubAccountDetails("MFY_SUB_259811283666", 10.5, 1000, false)]*/
      ));

      _showToast(
          "${transactionResponse.transactionStatus}\n${transactionResponse.paymentReference}\n${transactionResponse.transactionReference}\n${transactionResponse.amountPaid}\n${transactionResponse.amountPayable}\n${transactionResponse.paymentDate}\n${transactionResponse.paymentMethod}");
    } on PlatformException catch (e, s) {
      print("Error initializing payment");
      print(e);
      print(s);

      _showToast("Failed to init payment!");
    }
  }

  String getRandomString(int length) {
    const _chars =
        'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz1234567890';
    Random _rnd = Random();

    return String.fromCharCodes(Iterable.generate(
        length, (_) => _chars.codeUnitAt(_rnd.nextInt(_chars.length))));
  }

  void _showToast(String message) {
    final scaffold = ScaffoldMessenger.of(mContext);
    scaffold.showSnackBar(
      SnackBar(
        content: Text(message),
        action: SnackBarAction(
            label: 'CLOSE', onPressed: scaffold.hideCurrentSnackBar),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Monnify Plugin Sample'),
        ),
        body: Builder(
          builder: (context) {
            mContext = context;
            return Center(
              child: TextButton(
                child: Text("PAY"),
                onPressed: () => initPayment(),
              ),
            );
          },
        ),
      ),
    );
  }
}