修改会议助手

lib/modules/meeting/controllers/meeting_controller.dart

@@ -1,19 +1,98 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
+import '../../../data/services/asr_service.dart';
+
 class MeetingController extends GetxController
     with GetSingleTickerProviderStateMixin {
   late AnimationController lottieController;
+  late AsrService _asrService;
+
+  Timer? timer;
+
+  RxBool isRecording = false.obs; //是否录音中
+  RxInt seconds = 0.obs;
+
+  RxString intermediateContent = ''.obs;
+  RxString finalContent = ''.obs;
+
+  StreamSubscription? _recognitionSubscription;
 
   @override
   void onInit() {
     super.onInit();
     lottieController = AnimationController(vsync: this);
+    _asrService = Get.find<AsrService>();
   }
 
   @override
   void onClose() {
     lottieController.dispose();
+    timer?.cancel();
+    _asrService.stopContinuousRecognition();
+    _recognitionSubscription?.cancel();
     super.onClose();
   }
+
+  // 点击开始、暂停按钮
+  void recorderHandle() {
+    if (isRecording.value) {
+      _pause();
+    } else {
+      _start();
+    }
+  }
+
+  // 开始
+  void _start() async {
+    await _startRecorder();
+    lottieController.repeat();
+    isRecording.value = true;
+    timer = Timer.periodic(const Duration(seconds: 1), (_) => seconds++);
+  }
+
+  // 暂停
+  void _pause() async {
+    await _stopRecorder();
+    lottieController.stop();
+    isRecording.value = false;
+    timer?.cancel();
+  }
+
+  //开始录音
+  Future<void> _startRecorder() async {
+    final recognitionStream = await _asrService.startContinuousRecognition();
+    _recognitionSubscription = recognitionStream.listen(
+      _handleRecognitionEvent,
+    );
+  }
+
+  //结束录音
+  Future<void> _stopRecorder() async {
+    await _asrService.stopContinuousRecognition();
+    _recognitionSubscription?.cancel();
+  }
+
+  // 处理语音识别事件
+  void _handleRecognitionEvent(RecognitionEvent event) {
+    switch (event.type) {
+      case RecognitionEventType.intermediateResult:
+        intermediateContent.value = event.text;
+        break;
+      case RecognitionEventType.finalResult:
+        finalContent.value += event.text;
+        intermediateContent.value = '';
+        break;
+      default:
+        // 不做任何处理
+        break;
+    }
+  }
+
+  // 完成
+  void complete() async {
+    Get.back();
+  }
 }

lib/modules/meeting/views/meeting_view.dart

@@ -1,3 +1,4 @@
+import 'package:common_utils/common_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
@@ -13,10 +14,17 @@ class MeetingView extends GetView<MeetingController> {
   Widget build(BuildContext context) {
     final isDarkMode = Theme.of(context).brightness == Brightness.dark;
 
-    return Scaffold(
+    return PopScope(
-      backgroundColor: isDarkMode ? Colors.black : Colors.grey[50],
+      canPop: false,
-      appBar: _buildAppBar(isDarkMode),
+      onPopInvokedWithResult: (didPop, result) {
-      body: _buildBody(isDarkMode),
+        if (didPop) return;
+        _showAlertDialog(isDarkMode);
+      },
+      child: Scaffold(
+        backgroundColor: isDarkMode ? Colors.black : Colors.grey[50],
+        appBar: _buildAppBar(isDarkMode),
+        body: _buildBody(isDarkMode),
+      ),
     );
   }
 
@@ -31,24 +39,46 @@ class MeetingView extends GetView<MeetingController> {
           color: isDarkMode ? Colors.white : Colors.black,
           size: 20.sp,
         ),
-        onPressed: () => Get.back(),
+        onPressed: () {
+          _showAlertDialog(isDarkMode);
+        },
       ),
       title: Padding(
         padding: const EdgeInsets.only(right: 56),
         child: Row(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
-            Icon(
+            Obx(
-              Icons.keyboard_voice,
+              () => Icon(
-              color: isDarkMode ? Colors.white : Colors.black,
+                Icons.keyboard_voice,
+                color: isDarkMode
+                    ? controller.seconds.value > 0
+                        ? AppColors.primary
+                        : Colors.white
+                    : controller.seconds.value > 0
+                        ? Colors.blue
+                        : Colors.black,
+              ),
             ),
             5.horizontalSpace,
-            Text(
+            Obx(
-              '00:00:00',
+              () => Text(
-              style: TextStyle(
+                DateUtil.formatDateMs(
-                fontSize: 17.sp,
+                  controller.seconds.value * 1000,
-                fontWeight: FontWeight.w600,
+                  format: 'HH:mm:ss',
-                color: isDarkMode ? Colors.white : Colors.black,
+                  isUtc: true,
+                ),
+                style: TextStyle(
+                  fontSize: 17.sp,
+                  fontWeight: FontWeight.w600,
+                  color: isDarkMode
+                      ? controller.seconds.value > 0
+                          ? AppColors.primary
+                          : Colors.white
+                      : controller.seconds.value > 0
+                          ? Colors.blue
+                          : Colors.black,
+                ),
               ),
             ),
           ],
@@ -174,6 +204,17 @@ class MeetingView extends GetView<MeetingController> {
             ),
           ],
         ),
+        child: Align(
+          alignment: Alignment.topLeft,
+          child: SingleChildScrollView(
+            reverse: true,
+            child: Obx(
+              () => Text(
+                '${controller.finalContent.value}${controller.intermediateContent.value}',
+              ),
+            ),
+          ),
+        ),
       ),
     );
   }
@@ -186,7 +227,7 @@ class MeetingView extends GetView<MeetingController> {
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         children: [
           GestureDetector(
-            onTap: () {},
+            onTap: controller.recorderHandle,
             child: Container(
               width: 130.w,
               height: 60.w,
@@ -197,15 +238,19 @@ class MeetingView extends GetView<MeetingController> {
                   width: 2.w,
                 ),
               ),
-              child: Icon(
+              child: Obx(
-                Icons.pause,
+                () => Icon(
-                color: isDarkMode ? AppColors.primary : Colors.blue,
+                  controller.isRecording.value ? Icons.pause : Icons.play_arrow,
-                size: 40.w,
+                  color: isDarkMode ? AppColors.primary : Colors.blue,
+                  size: 40.w,
+                ),
               ),
             ),
           ),
           GestureDetector(
-            onTap: () {},
+            onTap: () {
+              _showAlertDialog(isDarkMode);
+            },
             child: Container(
               width: 130.w,
               height: 60.w,
@@ -224,4 +269,52 @@ class MeetingView extends GetView<MeetingController> {
       ),
     );
   }
+
+  // 显示对话框
+  void _showAlertDialog(bool isDarkMode) {
+    if (controller.seconds.value > 0) {
+      Get.dialog(
+        AlertDialog(
+          backgroundColor: isDarkMode ? Colors.grey[900] : Colors.white,
+          title: Text(
+            '注意',
+            style: TextStyle(
+              color: isDarkMode ? Colors.white : Colors.black87,
+            ),
+          ),
+          content: Text(
+            '你想结束录音吗？',
+            style: TextStyle(
+              color: isDarkMode ? Colors.white70 : Colors.black54,
+            ),
+          ),
+          actions: [
+            TextButton(
+              onPressed: () => Get.back(),
+              child: Text(
+                'cancel'.tr, // 取消
+                style: TextStyle(
+                  color: isDarkMode ? Colors.white70 : Colors.black54,
+                ),
+              ),
+            ),
+            TextButton(
+              onPressed: () {
+                Get.back();
+                controller.complete();
+              },
+              child: Text(
+                'confirm'.tr, // 确定
+                style: TextStyle(
+                  color: isDarkMode ? Colors.red[300] : Colors.red[600],
+                ),
+              ),
+            ),
+          ],
+        ),
+      );
+    } else {
+      Get.back();
+    }
+  }
 }

pubspec.yaml

@@ -55,6 +55,7 @@ dependencies:
   firebase_auth: ^5.5.0
   google_sign_in: ^6.2.2
   flutter_facebook_auth: ^7.1.1
+  common_utils: ^2.1.0
   
 dev_dependencies:
   flutter_test: