sunmi_uhf 0.0.3

flutter plugin to access UFH handler triger.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:sunmi_uhf/sunmi_uhf.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> {
  String? _result = 'Unknown';
  bool _isConnected = false;
  init() async {
    _isConnected = await SunmiUhf.init();
    if(_isConnected){
      SunmiUhf.onUhfScanned().listen((event) {
        if(event != null) {
          _result = event;
          setState(() {});
        }

      });
    }

  }

  @override
  void initState() {
    super.initState();
    init();
  }

  @override
  void dispose() {
    SunmiUhf.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Sunmi uhf'),
        ),
        body: Center(
          child: !_isConnected ?
          ElevatedButton(onPressed: () async {
            _isConnected = await SunmiUhf.init();
            if(_isConnected){
              SunmiUhf.onUhfScanned().listen((event) {
                if(event != null) {
                  _result = event;
                  setState(() {});
                }

              });
            }
            setState(() {});
            }, child: const Text('failed to connect handler')):
          Text('Scan result: $_result\n'),
        ),
        floatingActionButton: Visibility(
          visible: _isConnected,
          child: FloatingActionButton(
            child: const Icon(Icons.scanner),
            onPressed: () async {
              _isConnected = await SunmiUhf.isConnect();
              if(!_isConnected) return;
              SunmiUhf.scan();
            },
          ),
        ),
      ),
    );
  }
}