aamarPay Payment Module Integration Guide for Flutter

This guide provides step-by-step instructions for integrate the aamarPay payment module for Mobile App in flutter. The aamarPay module allows you to integrate aamarPay payment gateway into your mobile app.

Requirements

  • Android: minSdkVersion 19

How to Use

  • In the dependencies section of your "pubspec.yaml" add the following line:
dependencies:  
     aamarpay: ^1.0.6
  • install packages from the command line:
flutter pub get

Important Notes

  • Read the comments in the example code.
  • The transactionID must be unique for every payment.
  • There is a test signature key. But when you go to the production you must use your own signature key.

🚧

Sandbox Environment

All operations conducted in this environment are considered as trial transaction.

Store ID : aamarpaytest

Signature Key : dbb74894e82415a2f7ff0ec3a97e4183

ℹ️

Obtain Live Credentials

For acquiring the necessary live credentials to process payments, please don't hesitate to contact our Support Team at [email protected]. They are readily available to guide you throughout the procedure and provide the essential credentials to facilitate live payment transactions on your platform.

  • It is better to practice with the example code first.
import 'package:flutter/material.dart';
import 'package:aamarpay/aamarpay.dart';

void main() {
  runApp(MaterialApp(
    home: MyPay(),
  ));
}

class MyPay extends StatefulWidget {
  @override
  _MyPayState createState() => _MyPayState();
}

class _MyPayState extends State<MyPay> {
  bool isLoading = false;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Aamarpay(
          // This will return a payment url based on failUrl,cancelUrl,successUrl
          returnUrl: (String url) {
            print(url);
          },
          // This will return the payment loading status
          isLoading: (bool loading) {
            setState(() {
              isLoading = loading;
            });
          },
          // This will return the payment event with a message
          status: (EventState event, String message) {
            if (event == EventState.error) {
              setState(() {
                isLoading = false;
              });
            }
          },
          // When you use your own url, you must have the keywords:cancel,confirm,fail otherwise the callback function will not work properly
          cancelUrl: "example.com/payment/cancel",
          successUrl: "example.com/payment/confirm",
          failUrl: "example.com/payment/fail",
          customerEmail: "[email protected]",
          customerMobile: "01834760591",
          customerName: "Masum Billah Sanjid",
          // That is the test signature key. But when you go to the production you must use your own signature key
          signature: "dbb74894e82415a2f7ff0ec3a97e4183",
           // That is the test storeID. But when you go to the production you must use your own storeID 
          storeID: "aamarpaytest", 
          // Use transactionAmountFromTextField when you pass amount with TextEditingController
          // transactionAmountFromTextField: amountTextEditingController,
          transactionAmount: "200",
          //The transactionID must be unique for every payment
          transactionID: "${DateTime.now().millisecondsSinceEpoch}",
          //The transactionID must be unique for every payment 
          transactionID: "transactionID",
          description: "test",
          // When the application goes to the producation the isSandbox must be false
          isSandBox: true,
          child: isLoading
              ? Center(
                  child: CircularProgressIndicator(),
                )
              : Container(
                  color: Colors.orange,
                  height: 50,
                  child: Center(
                    child: Text(
                      "Payment",
                      style: TextStyle(
                          fontWeight: FontWeight.bold, color: Colors.white),
                    ),
                  ),
                ),
        ),
      ),
    );
  }
}

  • You can find detailed information about the package "aamarpay" on pub.dev

👍

Congratulations! You have successfully integrate the aamarPay payment module for your mobile app using flutter. Your customers can now make payments using the aamarPay payment gateway.

📘

Please ensure that you have completed the necessary steps to enable aamarPay on your aamarPay account and obtained the required Store ID and Signature key before switching to live mode.

If you encounter any issues during the installation or configuration process, please reach out to integration support team for assistance.