修改会议助手ble连接

lib/modules/meeting/controllers/meeting_connect_controller.dart

@@ -1,3 +1,74 @@
+import 'dart:async';
+
+import 'package:flutter_blue_plus/flutter_blue_plus.dart';
 import 'package:get/get.dart';
 
-class MeetingConnectController extends GetxController {}
+class MeetingConnectController extends GetxController {
+  RxString stateStr = '搜索中...'.obs;
+  RxBool isRescan = false.obs;
+  RxBool isImportedFiles = false.obs;
+
+  late StreamSubscription<List<ScanResult>> _scanResultsSubscription;
+  late StreamSubscription<bool> _isScanningSubscription;
+  BluetoothDevice? _device;
+
+  @override
+  void onInit() {
+    super.onInit();
+    _scanResultsSubscription = FlutterBluePlus.scanResults.listen((results) {
+      for (ScanResult item in results) {
+        _handlerScanResult(item);
+      }
+    });
+    _isScanningSubscription = FlutterBluePlus.isScanning.listen((state) {
+      if (!state && _device == null) {
+        stateStr.value = '未搜索到 AI PEN 设备';
+        isRescan.value = true;
+      } else {
+        stateStr.value = '搜索中...';
+        isRescan.value = false;
+      }
+    });
+    startScan();
+  }
+
+  @override
+  void onClose() {
+    _scanResultsSubscription.cancel();
+    _isScanningSubscription.cancel();
+    _stopScan();
+    _disconnect();
+    super.onClose();
+  }
+
+  Future<void> startScan() async {
+    await FlutterBluePlus.startScan(
+      timeout: const Duration(seconds: 15),
+      withServices: [
+        Guid('FFF0'),
+      ],
+      withNames: ['AI PEN'],
+    );
+  }
+
+  Future<void> _stopScan() async {
+    await FlutterBluePlus.stopScan();
+  }
+
+  Future<void> _connect() async {
+    await _device?.connect();
+  }
+
+  Future<void> _disconnect() async {
+    await _device?.disconnect();
+  }
+
+  void _handlerScanResult(ScanResult result) async {
+    if (result.device.platformName == 'AI PEN') {
+      _device = result.device;
+      await _stopScan();
+      await _connect();
+      stateStr.value = '已连接到 AI PEN 设备';
+    }
+  }
+}

lib/modules/meeting/views/meeting_connect_view.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 
 import '../controllers/meeting_connect_controller.dart';
@@ -8,6 +9,118 @@ class MeetingConnectView extends GetView<MeetingConnectController> {
 
   @override
   Widget build(BuildContext context) {
-    return const Placeholder();
+    final isDarkMode = Theme.of(context).brightness == Brightness.dark;
+
+    return Scaffold(
+      backgroundColor: isDarkMode ? Colors.black : Colors.grey[50],
+      appBar: _buildAppBar(isDarkMode),
+      body: _buildBody(isDarkMode),
+    );
+  }
+
+  PreferredSizeWidget _buildAppBar(bool isDarkMode) {
+    return AppBar(
+      backgroundColor: isDarkMode ? Colors.black : Colors.white,
+      elevation: 0.5,
+      leading: IconButton(
+        icon: Icon(
+          Icons.arrow_back_ios,
+          color: isDarkMode ? Colors.white : Colors.black,
+          size: 20.sp,
+        ),
+        onPressed: () => Get.back(),
+      ),
+      title: Text(
+        '蓝牙连接',
+        style: TextStyle(
+          fontSize: 17.sp,
+          fontWeight: FontWeight.w600,
+          color: isDarkMode ? Colors.white : Colors.black,
+        ),
+      ),
+      centerTitle: true,
+    );
+  }
+
+  Widget _buildBody(bool isDarkMode) {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Obx(
+            () => Text(
+              controller.stateStr.value,
+              style: TextStyle(
+                fontSize: 20.sp,
+                color: isDarkMode ? Colors.white : Colors.black,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ),
+          Obx(
+            () => controller.isRescan.value
+                ? Padding(
+                    padding: EdgeInsets.only(top: 20.w),
+                    child: _button('重新连接', Icons.refresh, onTap: () {
+                      controller.startScan();
+                    }),
+                  )
+                : const SizedBox(),
+          ),
+          Obx(
+            () => controller.isImportedFiles.value
+                ? Padding(
+                    padding: EdgeInsets.only(top: 30.w),
+                    child: Text(
+                      '检测到有新文件，是否导入',
+                      style: TextStyle(
+                        fontSize: 16.sp,
+                        color: isDarkMode ? Colors.white70 : Colors.black54,
+                      ),
+                    ),
+                  )
+                : const SizedBox(),
+          ),
+          Obx(
+            () => controller.isImportedFiles.value
+                ? _button('导入文件', Icons.file_download, onTap: () {})
+                : const SizedBox(),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _button(String text, IconData icon, {Function()? onTap}) {
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        width: 150.w,
+        height: 42.w,
+        margin: EdgeInsets.symmetric(vertical: 10.w),
+        decoration: BoxDecoration(
+          color: Colors.black,
+          borderRadius: BorderRadius.circular(42.w),
+        ),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Icon(
+              icon,
+              color: Colors.white,
+              size: 20.sp,
+            ),
+            5.horizontalSpace,
+            Text(
+              text,
+              style: TextStyle(
+                color: Colors.white,
+                fontSize: 14.sp,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
   }
 }

pubspec.yaml

@@ -35,7 +35,7 @@ dependencies:
   crypto: ^3.0.3
   flutter_tts: ^4.2.2
   logger: ^2.0.2+1
-  flutter_blue_plus: ^1.31.16
+  flutter_blue_plus: ^1.35.5
   just_audio: ^0.9.36
   webview_flutter: ^4.13.0
   flutter_easyloading: ^3.0.5