fix:修复重启设备后没有通知提醒的问题

lib/utils/notify_utils.dart

@@ -1,3 +1,9 @@
+import 'package:flisp_app/models/calendar.dart';
+import 'package:flisp_app/models/todo.dart';
+import 'package:flisp_app/service/calendar_service.dart';
+import 'package:flisp_app/service/todo_service.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_common/utils/date_utils.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:timezone/data/latest_all.dart' as tz;
 import 'package:timezone/timezone.dart' as tz;
@@ -45,6 +51,51 @@ class NotifyService {
     );
 
     await _notifications.initialize(settings);
+
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _refreshScheduled();
+    });
+  }
+
+  /// 重新刷新提醒 防止每次重启设备后提醒丢失的问题
+  void _refreshScheduled() async {
+    await cancelAllNotifications();
+
+    TodoService todoService = TodoService();
+    final List<Todo> todoResult = todoService.getAllTodos(
+      TodoSortMode.priority,
+    );
+    final List<Todo> todayTodos =
+    todoResult
+        .where(
+          (todo) => !todo.isCompleted && isAfterToday(todo.scheduledTime),
+    )
+        .toList();
+
+    for (Todo todo in todayTodos) {
+      await scheduleNotification(
+        id: todo.id,
+        title: '待办提醒',
+        body: todo.title,
+        scheduledTime: todo.scheduledTime!,
+      );
+    }
+
+    CalendarService calendarService = CalendarService();
+    final List<Calendar> calendarResult = calendarService.getAllCalendars();
+    final List<Calendar> todayCalendars =
+    calendarResult
+        .where((item) => isAfterToday(item.scheduledTime))
+        .toList();
+
+    for (Calendar calendar in todayCalendars) {
+      await scheduleNotification(
+        id: calendar.id,
+        title: '日程提醒',
+        body: calendar.title,
+        scheduledTime: calendar.scheduledTime!,
+      );
+    }
   }
 
   // 创建Android通知详情