Surepay POS Plugin #

A Flutter plugin for integrating with Sure POS USB SDK. This plugin enables communication with Sure 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:
  sure_pos_plugin: ^0.0.1

Usage #

First, initialize the USB connection:

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

Listen to terminal events:

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

Send an amount to the terminal:

try {
  String result = await SurePosPlugin.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.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<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.