cn80listener 0.0.2

A Honeywell CN80 Flutter Plugin

example/lib/main.dart

import 'package:cn80listener/cn80listener.dart';
import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _code = 'Unknown';

  static final channelName = 'cn80listener';

  final methodChannel = MethodChannel(channelName);

  Future<void> _scanDecoded(MethodCall call) async {
    // type inference will work here avoiding an explicit cast
    final String utterance = call.arguments;
    switch(call.method) {
      case "scanDecoded":
        _code = utterance;
        setState(() {

        });
        break;
      case "scanDecodedWithError":
        _code = utterance;
        setState(() {

        });
    }
  }

  @override
  void initState() {
    super.initState();
    methodChannel.setMethodCallHandler(this._scanDecoded);
    initPlatformState();
  }

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

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      await Cn80listener.startScanner;
    } on PlatformException {

    }
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> disposePlatformState() async {
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      await Cn80listener.stopScanner;
    } on PlatformException {

    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: WillPopScope(
        onWillPop: () async {
          await disposePlatformState();
          return true;
        },
        child: Scaffold(
          appBar: AppBar(
            title: const Text('Plugin example app'),
          ),
          body: Center(
            child: Text('Running on: $_code\n'),
          ),
        ),
      ),
    );
  }
}