feat: 获取sn

webrtc_controller_flutter/lib/main.dart

@@ -1,10 +1,10 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_webrtc/flutter_webrtc.dart';
-import 'package:uuid/uuid.dart';
 
 import 'config/ice_servers.dart';
 import 'controller/remote_controller.dart';
 import 'utils/control_commands.dart';
+import 'utils/device_utils.dart';
 import 'widgets/remote_touch_view.dart';
 
 void main() {
@@ -54,7 +54,15 @@ class _ControllerHomeState extends State<ControllerHome> {
   @override
   void initState() {
     super.initState();
-    _deviceIdController.text = 'controller_${const Uuid().v4().substring(0, 8)}';
+    _initDeviceId();
+  }
+
+  /// 异步获取设备标识并填入设备ID输入框（非系统签名，使用兜底方案）。
+  Future<void> _initDeviceId() async {
+    final id = await DeviceUtils.getSerialNumber();
+    if (mounted) {
+      setState(() => _deviceIdController.text = id);
+    }
   }
 
   @override

webrtc_controller_flutter/lib/utils/device_utils.dart

@@ -0,0 +1,42 @@
+import 'dart:io';
+
+import 'package:device_info_plus/device_info_plus.dart';
+import 'package:uuid/uuid.dart';
+
+/// 设备信息工具类（控制端，非系统签名应用）
+///
+/// 与 WebRTCControlled 的 DeviceUtils 对应，但控制端没有系统签名，
+/// 因此无法稳定获取真实的硬件序列号，这里采用「不要求准确」的兜底方案：
+/// 1. 优先使用官方插件（[DeviceInfoPlugin]）提供的 serialNumber；
+/// 2. 失败则使用 iOS 的 identifierForVendor；
+/// 3. 再失败则生成随机 UUID。
+class DeviceUtils {
+  DeviceUtils._();
+
+  /// 获取设备标识（适用于普通应用）。
+  ///
+  /// 兼容各平台：Android 使用官方序列号，iOS 使用 identifierForVendor，
+  /// 均不可用时回退到随机 UUID。
+  static Future<String> getSerialNumber() async {
+    const uuid = Uuid();
+    try {
+      final deviceInfo = DeviceInfoPlugin();
+      if (Platform.isAndroid) {
+        final androidInfo = await deviceInfo.androidInfo;
+        final serial = androidInfo.serialNumber;
+        if (serial.isNotEmpty && serial.toLowerCase() != 'unknown') {
+          return serial;
+        }
+      } else if (Platform.isIOS) {
+        final iosInfo = await deviceInfo.iosInfo;
+        final id = iosInfo.identifierForVendor;
+        if (id != null && id.isNotEmpty) {
+          return id;
+        }
+      }
+    } catch (_) {
+      // 获取失败，走兜底逻辑
+    }
+    return uuid.v4();
+  }
+}

webrtc_controller_flutter/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,8 +5,10 @@
 import FlutterMacOS
 import Foundation
 
+import device_info_plus
 import flutter_webrtc
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  DeviceInfoPlusMacosPlugin.register(with: registry.registrar(forPlugin: "DeviceInfoPlusMacosPlugin"))
   FlutterWebRTCPlugin.register(with: registry.registrar(forPlugin: "FlutterWebRTCPlugin"))
 }

webrtc_controller_flutter/pubspec.lock

@@ -81,6 +81,22 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.8.1"
+  device_info_plus:
+    dependency: "direct main"
+    description:
+      name: device_info_plus
+      sha256: "98f28b42168cc509abc92f88518882fd58061ea372d7999aecc424345c7bff6a"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "11.5.0"
+  device_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: device_info_plus_platform_interface
+      sha256: e1ea89119e34903dca74b883d0dd78eb762814f97fb6c76f35e9ff74d261a18f
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "7.0.3"
   fake_async:
     dependency: transitive
     description:
@@ -97,6 +113,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.2.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "7.0.1"
   fixnum:
     dependency: "direct main"
     description:
@@ -123,6 +147,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   flutter_webrtc:
     dependency: "direct main"
     description:
@@ -472,6 +501,22 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.5.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: d7cb55e04cd34096cd3a79b3330245f54cb96a370a1c27adb3c84b917de8b08e
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "5.15.0"
+  win32_registry:
+    dependency: transitive
+    description:
+      name: win32_registry
+      sha256: "6f1b564492d0147b330dd794fee8f512cec4977957f310f9951b5f9d83618dae"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.0"
   xdg_directories:
     dependency: transitive
     description:

webrtc_controller_flutter/pubspec.yaml

@@ -43,6 +43,9 @@ dependencies:
 
   # 设备 ID 生成
   uuid: ^4.4.0
+
+  # 官方提供的设备信息插件，用于获取 Android ID / 设备标识
+  device_info_plus: ^11.0.0
   protobuf: ^6.0.0
   fixnum: ^1.1.1