flutter蓝牙配网

Flutter蓝牙配网可以通过 FlutterBlue 插件实现。以下是一个简单的示例代码：

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

class BluetoothConfigPage extends StatefulWidget {
  @override
  _BluetoothConfigPageState createState() => _BluetoothConfigPageState();
}

class _BluetoothConfigPageState extends State<BluetoothConfigPage> {
  FlutterBlue flutterBlue = FlutterBlue.instance;
  StreamSubscription<ScanResult> scanSubscription;
  StreamSubscription<BluetoothDeviceState> deviceConnection;
  List<BluetoothDevice> devicesList = [];

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

  @override
  void dispose() {
    scanSubscription?.cancel();
    deviceConnection?.cancel();
    super.dispose();
  }

  void scanForDevices() {
    scanSubscription = flutterBlue.scan().listen((scanResult) {
      if (!devicesList.contains(scanResult.device)) {
        setState(() {
          devicesList.add(scanResult.device);
        });
      }
    });
  }

  void connectToDevice(BluetoothDevice device) async {
    deviceConnection?.cancel();
    await device.connect();
    deviceConnection = device.state.listen((state) {
      if (state == BluetoothDeviceState.connected) {
        // 在此处可以执行蓝牙配网操作
        deviceConnection?.cancel();
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('蓝牙配网'),
      ),
      body: Column(
        children: [
          Expanded(
            child: ListView.builder(
              itemCount: devicesList.length,
              itemBuilder: (BuildContext context, int index) {
                BluetoothDevice device = devicesList[index];
                return ListTile(
                  title: Text(device.name ?? 'Unknown'),
                  subtitle: Text(device.id.toString()),
                  onTap: () {
                    connectToDevice(device);
                  },
                );
              },
            ),
          ),
        ],
      ),
    );
  }
}

在上述代码中，我们使用 `FlutterBlue` 插件扫描附近的蓝牙设备，并显示在 UI 中。当用户点击列表中的设备时，我们通过 `BluetoothDevice` 对象建立蓝牙连接，并在连接成功后执行蓝牙配网操作。

你需要根据你的具体需求来实现蓝牙配网的逻辑，此处提供的是一个基本的框架。