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97 lines
2.5 KiB
97 lines
2.5 KiB
import 'dart:async';
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import 'dart:convert';
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import 'package:bot_toast/bot_toast.dart';
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import 'package:flutter/material.dart';
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import 'package:hy_printer/device.dart';
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import 'package:hy_printer/dj_printer.dart';
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import 'package:hy_printer/hy_printer.dart';
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import 'package:hy_printer_example/scan_page.dart';
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// import 'package:permission_handler/permission_handler.dart';
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void main() {
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runApp(const MyApp());
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}
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class MyApp extends StatefulWidget {
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const MyApp({Key? key}) : super(key: key);
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@override
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State<MyApp> createState() => _MyAppState();
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}
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class _MyAppState extends State<MyApp> {
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List<Device> devices = [];
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@override
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void initState() {
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super.initState();
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initPlatformState();
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}
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// Future<void> initPlatformState() async {
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// if (!mounted) return;
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// setState(() {});
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// }
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Future<void> initPlatformState() async {
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// var per = await Permission.bluetooth.isGranted;
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// if (!per) {
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// Permission.bluetooth.request();
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// }
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// var pers = await Permission.locationWhenInUse.isGranted;
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// if (!pers) {
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// Permission.locationWhenInUse.request();
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// }
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// var per1 = await Permission.bluetoothScan.isGranted;
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// if (!per1) {
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// Permission.bluetoothScan.request();
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// }
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// var per2 = await Permission.bluetoothConnect.isGranted;
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// if (!per2) {
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// Permission.bluetoothConnect.request();
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// }
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DjPrinter().init();
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DjPrinter().addDiscoveryListen(onReceive: (data) {
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var js = json.decode(data.toString());
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if ((js['name'] as String).startsWith('HM')) {
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devices.add(Device(
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name: js['name'],
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address: js['address'],
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isPaired: js['isPaired']));
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}
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setState(() {});
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}, onStart: () {
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print("————————————————————————");
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}, onFinish: () {
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print('——————————————————————————————');
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DjPrinter().cancelDiscovery();
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});
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DjPrinter().addConnectListen(onConnect: () {
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print("connected");
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}, onDisconnect: () {
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print('disconnected');
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});
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}
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@override
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Widget build(BuildContext context) {return MaterialApp(
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title: '安速货运',
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builder: (context, widget) {
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// ScreenUtil.setContext(context);
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return MediaQuery(
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data: MediaQuery.of(context).copyWith(textScaleFactor: 1.0),
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child: BotToastInit().call(context, widget));
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},
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navigatorObservers: [BotToastNavigatorObserver()],
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home: const ScanPage()
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);
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}
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}
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