VitalApp/lib/pages/admin/usb_state.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:get/get.dart';
import 'package:vitalapp/architecture/utils/confirm_box.dart';
import 'package:vitalapp/components/alert_dialog.dart';

class UsbState {
  final EventChannel _eventChannel =
      EventChannel('com.vinno.vitalapp/usb_events');

  void startListening() {
    _eventChannel.receiveBroadcastStream().listen(
      (dynamic event) {
        // 这里我们期望event是一个Map，包含USB设备的信息
        Map<dynamic, dynamic> usbEvent = event as Map<dynamic, dynamic>;
        print('USB Event: $usbEvent');

        String action = usbEvent['action'] ?? 'unknown';
        String name = usbEvent['name'] ?? 'unknown';
        String type = usbEvent['type'] ?? 'unknown';

        if (action == 'attached') {
          print('USB device attached: Name - $name, Type - $type');
          alertReboot();
          // USB设备已连接，可以根据需要处理
        } else if (action == 'detached') {
          print('USB device detached: Name - $name, Type - $type');
          alertReboot();
          // USB设备已断开，可以根据需要处理
        }
      },
      onError: (dynamic error) {
        print('USB Event Error: $error');
      },
    );
  }

  void alertReboot() {
    ConfirmBox.showMultiLines(
      contents: ["检测到 USB 硬件发生变化", "（为保证程序正常运行，建议重启设备）"],
      width: 500,
      showCancel: false,
    );
    // Get.dialog(
    //   VAlertDialog(
    //     title: "提示",
    //     width: 420,
    //     content: Container(
    //       height: 32,
    //       padding: const EdgeInsets.symmetric(horizontal: 24),
    //       alignment: Alignment.center,
    //       child: const Text(
    //         "检测到 USB 硬件发生变化，为保证程序正常运行，建议重启设备",
    //         style: TextStyle(fontSize: 20),
    //       ),
    //     ),
    //     showCancel: false,
    //     onConfirm: () async {
    //       Get.back();
    //     },
    //   ),
    // );
  }
}