tianbo_reader_plugin 0.0.4

tianbo_reader_plugin: ^0.0.4 copied to clipboard

example/lib/main.dart

import 'dart:convert';

import 'package:flutter/material.dart';

import 'package:tianbo_reader_plugin/tianbo_plugin.dart';

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

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final _tianboPlugin = TianboPlugin();

  String text = '读卡器未打开';

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: SingleChildScrollView(
          child: Center(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Text('result: $text'),
                ElevatedButton(
                  onPressed: () async {
                    var result = await _tianboPlugin.openReader();
                    if (result) {
                      text = '读卡器已打开';
                    } else {
                      text = '读卡器打开失败';
                    }
                    setState(() {});
                  },
                  child: const Text('打开读卡器'),
                ),
                ElevatedButton(
                  onPressed: () async {
                    await _tianboPlugin.closeReader();
                    setState(() {
                      text = '读卡器已关闭';
                    });
                  },
                  child: const Text('关闭读卡器'),
                ),
                ElevatedButton(
                  onPressed: () async {
                    var result = await _tianboPlugin.isOpen();
                    if (result) {
                      text = '当前状态：打开';
                    } else {
                      text = '当前状态：关闭';
                    }
                    setState(() {});
                  },
                  child: const Text('当前读卡器状态'),
                ),
                ElevatedButton(
                  onPressed: () async {
                    var result = await _tianboPlugin.readCard();
                    if (result != null) {
                      text = jsonEncode(result);
                    } else {
                      text = '读卡失败';
                    }
                    setState(() {});
                  },
                  child: const Text('读卡'),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}