feat(录音): 添加后台录音通知和前台服务

添加后台录音时的持续通知显示
实现Android前台服务保持录音进程
添加iOS本地通知提醒用户录音进行中

lib/core/translations/language/en_us.dart

@@ -443,6 +443,9 @@ const Map<String, String> enUS = {
   'meetingRecordEndWithoutSave': 'End recording without saving', // 结束录音不保存
   'meetingRecordContinueInBackground':
       'Continue recording in background', // 后台继续录音
+  'meetingRecordRecordingNotificationTitle': 'Recording in progress', // 录音进行中
+  'meetingRecordRecordingNotificationBody':
+      'Recording in background. Tap to return to the app.', // 正在后台录音，点击返回应用
   'transcribing': 'Transcribing...',
   'summarizing': 'Summarizing...',
   'analyzing': 'Analyzing...',

lib/core/translations/language/zh_cn.dart

@@ -419,6 +419,8 @@ const Map<String, String> zhCN = {
   'meetingRecordEndAndSave': '结束录音并保存', // 结束录音并保存
   'meetingRecordEndWithoutSave': '结束录音不保存', // 结束录音不保存
   'meetingRecordContinueInBackground': '后台继续录音', // 后台继续录音
+  'meetingRecordRecordingNotificationTitle': '录音进行中', // 录音进行中
+  'meetingRecordRecordingNotificationBody': '正在后台录音，点击返回应用', // 正在后台录音，点击返回应用
   'transcribing': '正在转写...',
   'summarizing': '正在总结...',
   'analyzing': '正在分析...',

lib/modules/meeting/controllers/meeting_record_controller.dart

@@ -11,6 +11,7 @@ import 'package:get/get.dart';
 import 'package:intl/intl.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:permission_handler/permission_handler.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import '../../../data/services/asr_service.dart';
 import '../../../data/services/ble_manager.dart';
 
@@ -25,6 +26,66 @@ enum TimerStatus {
 /// 负责会议记录的状态管理、音频处理、语音识别和UI交互
 class MeetingRecordController extends GetxController
     with GetTickerProviderStateMixin {
+  static const int _backgroundRecordingNotificationId = 91001;
+
+  static FlutterLocalNotificationsPlugin? _localNotificationsPlugin;
+
+  Future<FlutterLocalNotificationsPlugin>
+      _ensureLocalNotificationsPlugin() async {
+    final existing = _localNotificationsPlugin;
+    if (existing != null) return existing;
+
+    final plugin = FlutterLocalNotificationsPlugin();
+    const androidSettings =
+        AndroidInitializationSettings('@mipmap/ic_launcher');
+    const iosSettings = DarwinInitializationSettings();
+    const settings = InitializationSettings(
+      android: androidSettings,
+      iOS: iosSettings,
+    );
+    await plugin.initialize(settings);
+    _localNotificationsPlugin = plugin;
+    return plugin;
+  }
+
+  Future<void> _requestNotificationPermissionIfNeeded() async {
+    await PermissionUtil.instance.requestPermission(
+      permissionType: Permission.notification,
+      permissionName: 'notificationPermission'.tr,
+      explanationText: 'notificationPermissionExplanation'.tr,
+      permanentDenialText: 'notificationPermissionPermanentDenial'.tr,
+      settingsButtonText: 'goToSettings'.tr,
+      cancelButtonText: 'cancel'.tr,
+    );
+  }
+
+  Future<void> showBackgroundRecordingIndicator() async {
+    await _requestNotificationPermissionIfNeeded();
+    if (!Platform.isIOS) return;
+
+    final plugin = await _ensureLocalNotificationsPlugin();
+    final details = NotificationDetails(
+      iOS: DarwinNotificationDetails(
+        presentAlert: true,
+        presentBadge: false,
+        presentSound: false,
+      ),
+    );
+
+    await plugin.show(
+      _backgroundRecordingNotificationId,
+      'meetingRecordRecordingNotificationTitle'.tr,
+      'meetingRecordRecordingNotificationBody'.tr,
+      details,
+    );
+  }
+
+  Future<void> clearBackgroundRecordingIndicator() async {
+    if (!Platform.isIOS) return;
+    final plugin = await _ensureLocalNotificationsPlugin();
+    await plugin.cancel(_backgroundRecordingNotificationId);
+  }
+
   // 服务
   final AsrService _asrService = Get.find<AsrService>();
   final BleManager _bleManager = Get.find<BleManager>();
@@ -225,6 +286,8 @@ class MeetingRecordController extends GetxController
       return;
     }
 
+    await _requestNotificationPermissionIfNeeded();
+
     // 根据当前计时器状态执行相应操作
     switch (timerStatus.value) {
       case TimerStatus.stopped:
@@ -389,6 +452,7 @@ class MeetingRecordController extends GetxController
     }
     if (!isRecording.value) return;
     await _asrService.stopRecord(true);
+    await clearBackgroundRecordingIndicator();
 
     // 如果标题被修改则重命名文件
     if (fileName.value != newName.value) {
@@ -427,6 +491,7 @@ class MeetingRecordController extends GetxController
     if (isRecording.value) {
       await _asrService.stopRecord(false);
     }
+    await clearBackgroundRecordingIndicator();
     _resetToDefaultState();
     isRecording.value = false;
     rms.value = 0.0;

lib/modules/meeting/views/meeting_record_view.dart

@@ -226,6 +226,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
             return;
           case _MeetingRecordExitAction.continueInBackground:
             await controller.saveTitleChange();
+            await controller.showBackgroundRecordingIndicator();
             Get.back(result: 'meeting_record_background');
             return;
           case _MeetingRecordExitAction.cancel:

local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/AzureSpeechPlugin.kt

@@ -5,6 +5,7 @@ import android.os.Handler
 import android.os.Looper
 import androidx.annotation.NonNull
 import com.yunqiinnovation.azure_speech.utils.FileLogger
+import com.yunqiinnovation.azure_speech.tools.AudioRecordingForegroundService
 import com.yunqiinnovation.azure_speech.tools.SimpleAudioReceiver
 import com.yunqiinnovation.azure_speech.tools.SimpleAudioPlayer
 import io.flutter.embedding.engine.plugins.FlutterPlugin
@@ -582,6 +583,12 @@ class AzureSpeechPlugin : BleService.Callback, FlutterPlugin {
                         }
                         FileLogger.d(tag, "音频文件名称为: ${filePath}")
 
+                        try {
+                            AudioRecordingForegroundService.startService(context)
+                        } catch (e: Exception) {
+                            FileLogger.w(tag, "启动录音前台服务失败: ${e.message}")
+                        }
+                        
                          azureAsrHelper.enableRecord(audioSourceType, filePath, if(acceptAudioData) {
                             // 创建音频数据回调，将音频数据发送到 Flutter 层
                             object : SimpleAudioReceiver.AudioDataCallback {
@@ -631,12 +638,20 @@ class AzureSpeechPlugin : BleService.Callback, FlutterPlugin {
                     try {
                         if(azureAsrHelper.audioSourceType == AzureAsrHelper.AudioSourceType.EXTERNAL){
                             isRecord = false
-                            recordfile?.closeFile(true)
+                            recordfile?.closeFile(isSave)
                         }
                         else
                         {
                             azureAsrHelper.stopRecord(isSave)
                         }
+
+                        if (!azureAsrHelper.isContinuousRecognitionActive()) {
+                            try {
+                                AudioRecordingForegroundService.stopService(context)
+                            } catch (e: Exception) {
+                                FileLogger.w(tag, "停止录音前台服务失败: ${e.message}")
+                            }
+                        }
                         result.success(true)
                     } catch (e: Exception) {
                         result.error("ENABLERECORD_ERROR", e.message, null)