End2EndPay Flutter SDK

A Flutter SDK for integrating End2EndPay payment processing into your Flutter applications. This SDK provides a secure WebView-based payment interface with comprehensive callback support.

Features

• 🔒 Secure Payment Processing: Uses WebView with security-enhanced settings
• ✅ Input Validation: Comprehensive validation for all payment parameters
• 📱 Cross-Platform: Works on both Android and iOS
• 🎯 Callback Support: Success, error, and cancel callbacks
• 🚀 Easy Integration: Simple API with minimal setup required

Installation

Add this to your package's pubspec.yaml file:

dependencies:
  end2endpay_flutter_sdk: ^1.0.1

Then run:

flutter pub get

Quick Start

import 'package:flutter/material.dart';
import 'package:end2endpay_flutter_sdk/end2endpay_flutter_sdk.dart';

class PaymentScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('Payment')),
      body: End2EndPayWebView(
        apiKey: 'YOUR_API_KEY',
        accessToken: 'YOUR_ACCESS_TOKEN',
        amount: 100.00,
        currency: 'USD',
        reference: 'ORDER-12345',
        payerEmail: 'customer@example.com',
        onSuccess: (response) {
          print('Payment successful: $response');
          Navigator.pop(context);
        },
        onError: (error) {
          print('Payment error: $error');
        },
        onCancel: (message) {
          print('Payment cancelled');
          Navigator.pop(context);
        },
      ),
    );
  }
}

Platform Configuration

Android

Add to android/app/src/main/AndroidManifest.xml:

<manifest>
    <uses-permission android:name="android.permission.INTERNET" />
    
    <application android:usesCleartextTraffic="true">
        <!-- Your app content -->
    </application>
</manifest>

Update android/app/build.gradle:

android {
    defaultConfig {
        minSdkVersion 20
    }
}

iOS

Add to ios/Runner/Info.plist:

<key>NSAppTransportSecurity</key>
<dict>
    <key>NSAllowsArbitraryLoads</key>
    <true/>
</dict>
<key>io.flutter.embedded_views_preview</key>
<true/>

Update ios/Podfile:

platform :ios, '12.0'

API Reference

End2EndPayWebView

Property	Type	Required	Description
apiKey	String	Yes	Your End2EndPay API key
accessToken	String	Yes	Your End2EndPay access token
amount	double	Yes	Payment amount (must be > 0 and <= 999999999.99)
currency	String	Yes	3-letter currency code (e.g., "USD", "EUR", "GBP")
reference	String	Yes	Unique payment reference (max 255 characters)
payerEmail	String	Yes	Valid email address of the payer
onSuccess	Function(String)?	No	Callback when payment succeeds
onError	Function(String)?	No	Callback when payment fails
onCancel	Function(String)?	No	Callback when payment is cancelled

License

This SDK is provided by End2EndPay under the MIT License.# end2endpay_flutter_sdk