Surepay POS Plugin

A Flutter plugin for integrating with Surepay POS USB SDK. This plugin enables communication with Surepay POS terminals via USB connection.

Features

• USB connection initialization
• Send transaction amounts to terminal
• Receive terminal responses and events
• Handle transaction errors and responses

Getting Started

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

dependencies:
  surepay_pos_plugin: ^0.0.3

Usage

First, initialize the USB connection:

try {
  String result = await SurepayPosPlugin.initializeUsb();
  print('Initialized: $result');
} catch (e) {
  print('Error initializing: $e');
}

Listen to terminal events:

SurepayPosPlugin.eventStream.listen((event) {
  print('Event received: $event');
});

Send an amount to the terminal:

try {
  String result = await SurepayPosPlugin.sendAmount("100.00");
  print('Amount sent: $result');
} catch (e) {
  print('Error sending amount: $e');
}

Additional Information

• Make sure to add necessary USB permissions to your Android manifest

<uses-permission android:name="android.permission.USB_PERMISSION" />

• Requires Android API level 23 or higher
• add surepaysdkv3.0.0.aar to android/app/libs/
• For detailed implementation, check the example app in the repository

Contributing

Feel free to contribute to this plugin by creating issues or submitting pull requests.