首次提交：关于页、夜间模式选项

lib/pages/battery_health_page.dart

@@ -7,7 +7,7 @@ import 'package:device_info_plus/device_info_plus.dart';
 // --- 本地导入 ---
 import '../models/device_matching.dart';
 import '../models/saf_permission_state.dart';
-import '../models/data_abnormal_type.dart'; // 🆕 1.7.0
+import '../models/data_abnormal_type.dart';
 import '../services/database_service.dart';
 import '../services/battery_data_service.dart';
 import '../services/saf_storage_service.dart';
@@ -21,6 +21,7 @@ import '../widgets/charge_entry.dart';
 import '../widgets/charge_detail_page.dart';
 import '../widgets/trend_chart.dart';
 import '../pages/changelog_page.dart';
+import '../pages/about_page.dart';
 
 // --- 潘通色定义 ---
 const Color kHealthGreen = Color(0xFF00B140);
@@ -48,6 +49,9 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
   double _minVolt = 0;
   bool _hasData = false;
 
+  // ---------- 🆕 1.7.0 异常状态标记 ----------
+  bool _hasAbnormalDataToday = false;
+
   // ---------- 趋势图数据 ----------
   List<Map<String, dynamic>> _trendData = [];
 
@@ -293,6 +297,9 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
   Future<void> readBatteryCapacity() async {
     dev.log('🔴🔴🔴 readBatteryCapacity 被调用了 🔴🔴🔴', name: 'BatteryHealth');
 
+    // 🟢 每次读取时重置异常标记
+    _hasAbnormalDataToday = false;
+
     _safState = await _safService.getPermissionState();
     dev.log('🔵 SAF状态: $_safState', name: 'BatteryHealth');
 
@@ -364,29 +371,54 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
         name: 'BatteryHealth',
       );
 
+      // 🆕 1.7.0 计算异常比例
+      final abnormalRatio = _calculateAbnormalRatio(lines, _designCap);
+      dev.log(
+        '🔵 异常比例: ${(abnormalRatio * 100).toStringAsFixed(1)}%',
+        name: 'BatteryHealth',
+      );
+
       final cap = CapacityExtractor.extractCapacity(lines);
       int? finalCap;
 
-      if (cap != null) {
+      // 🆕 1.7.0 异常处理逻辑
+      if (cap != null && abnormalRatio < 0.5) {
+        // 短时尖刺：走校验
+        final validatedCap = _validateCapacity(cap, _designCap);
+        if (validatedCap != null) {
+          finalCap = validatedCap;
+          _hasAbnormalDataToday = false;
+          dev.log('🔵 短时尖刺校验通过: $cap', name: 'BatteryHealth');
+        } else {
+          finalCap = null;
+          _hasAbnormalDataToday = true;
+          dev.log('⚠️ 短时尖刺，已丢弃: $cap', name: 'BatteryHealth');
+        }
+      } else if (cap != null && abnormalRatio >= 0.5) {
+        // 长期偏离：放行（疑似扩容）
         finalCap = cap;
-        dev.log('🔵 从日志提取容量: $cap', name: 'BatteryHealth');
+        _hasAbnormalDataToday = false;
+        dev.log(
+          '🔵 长期偏离（${(abnormalRatio * 100).toStringAsFixed(0)}% 记录 > 115%），疑似扩容电池，已放行: $cap',
+          name: 'BatteryHealth',
+        );
       } else {
+        // cap == null，尝试复制前一天
         dev.log('🔵 今日无充满记录，尝试复制前一天容量', name: 'BatteryHealth');
         final recent = await _dbService.queryRecentData(1);
         if (recent.isNotEmpty) {
           finalCap = recent.first['capacity'] as int;
+          _hasAbnormalDataToday = false;
           dev.log('🔵 复制前一天容量: $finalCap', name: 'BatteryHealth');
         } else {
           finalCap = null;
+          _hasAbnormalDataToday = false;
           dev.log('🔵 无历史数据可复制', name: 'BatteryHealth');
         }
       }
 
-      // 🟢 1.7.0 容量有效性校验
-      final validatedCap = _validateCapacity(finalCap, _designCap);
-
       setState(() {
-        _currentCap = (validatedCap ?? _currentCap).toDouble();
+        _currentCap = (finalCap ?? _currentCap).toDouble();
         _cycleCount = cycle;
         _batteryTemp = temp;
         _batteryVolt = volt;
@@ -413,17 +445,40 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
     }
   }
 
+  // ---------- 🆕 1.7.0 统计当天超过 115% 的容量记录占比 ----------
+  double _calculateAbnormalRatio(List<String> lines, int designCap) {
+    final capReg = RegExp(r'(?:learned_cap|remaining_cap)=(\d+)');
+    int totalCount = 0;
+    int abnormalCount = 0;
+
+    for (String line in lines) {
+      if (!line.contains('tbat=')) continue;
+
+      final match = capReg.firstMatch(line);
+      if (match == null) continue;
+
+      final value = int.parse(match.group(1)!);
+      final capInMah = value > 100000 ? value ~/ 1000 : value;
+
+      totalCount++;
+      if (capInMah > designCap * 1.15) {
+        abnormalCount++;
+      }
+    }
+
+    if (totalCount == 0) return 0.0;
+    return abnormalCount / totalCount;
+  }
+
   // ---------- 🆕 1.7.0 容量有效性校验 ----------
   int? _validateCapacity(int? capacity, int designCap) {
     if (capacity == null) return null;
 
-    // 容量必须大于 0
     if (capacity <= 0) {
       dev.log('⚠️ 容量异常：<= 0，已忽略', name: 'BatteryHealth');
       return null;
     }
 
-    // 容量不能低于设计容量的 60%
     if (capacity < designCap * 0.6) {
       dev.log(
         '⚠️ 容量异常：低于设计容量 60%（$capacity < ${designCap * 0.6}），已忽略',
@@ -432,7 +487,6 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
       return null;
     }
 
-    // 容量不能超过设计容量的 115%
     if (capacity > designCap * 1.15) {
       dev.log(
         '⚠️ 容量异常：高于设计容量 115%（$capacity > ${designCap * 1.15}），已忽略',
@@ -449,12 +503,14 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
     double currentCap,
     int designCap,
     double voltage,
+    bool hasAbnormalDataToday,
   ) {
-    // 容量异常：高于 115% 或低于 60%
+    // 🟢 优先：今天有异常数据被丢弃 → 强制显示红色
+    if (hasAbnormalDataToday) return DataAbnormalType.capacityTooHigh;
+
+    // 其次：当前值异常
     if (currentCap > designCap * 1.15) return DataAbnormalType.capacityTooHigh;
     if (currentCap < designCap * 0.6) return DataAbnormalType.capacityTooLow;
-
-    // 电压异常：低于 3.0V 或高于 5.0V
     if (voltage < 3.0 || voltage > 5.0) return DataAbnormalType.voltageAbnormal;
 
     return DataAbnormalType.none;
@@ -611,6 +667,8 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
   // ---------- Build ----------
   @override
   Widget build(BuildContext context) {
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+
     final double healthPercent = (_designCap > 0)
         ? (_currentCap / _designCap) * 100
         : 0.0;
@@ -619,45 +677,52 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
         ? '充电中 · ${_getChargeTypeLabel()} · ${_getDisplayPower()}'
         : '';
 
-    // 🆕 1.7.0 异常检测
     final abnormalType = _checkAbnormalType(
       _currentCap,
       _designCap,
       _batteryVolt,
+      _hasAbnormalDataToday,
     );
 
     return AnnotatedRegion<SystemUiOverlayStyle>(
-      value: const SystemUiOverlayStyle(
-        statusBarColor: Color.fromRGBO(157, 212, 237, 0.1),
-        statusBarIconBrightness: Brightness.dark,
-        statusBarBrightness: Brightness.dark,
+      value: SystemUiOverlayStyle(
+        statusBarColor: isDark
+            ? const Color(0xFF1E1E1E)
+            : const Color.fromRGBO(157, 212, 237, 0.1),
+        statusBarIconBrightness: isDark ? Brightness.light : Brightness.dark,
+        statusBarBrightness: isDark ? Brightness.light : Brightness.dark,
       ),
       child: Scaffold(
-        backgroundColor: Colors.white,
+        backgroundColor: Theme.of(context).scaffoldBackgroundColor,
         appBar: AppBar(
-          backgroundColor: Colors.white,
+          backgroundColor: Theme.of(context).appBarTheme.backgroundColor,
           elevation: 0,
           scrolledUnderElevation: 0,
           shadowColor: Colors.transparent,
           surfaceTintColor: Colors.transparent,
-          title: const Text(
+          title: Text(
             '电池健康度',
             style: TextStyle(
               fontSize: 24,
               fontWeight: FontWeight.w600,
-              color: Colors.black,
+              color: isDark ? Colors.white : Colors.black,
             ),
           ),
           actions: [
             IconButton(
-              icon: const Icon(Icons.refresh),
+              icon: Icon(
+                Icons.refresh,
+                color: isDark ? Colors.white : Colors.black,
+              ),
               onPressed: readBatteryCapacity,
               tooltip: '刷新数据',
-              color: Colors.black,
             ),
             PopupMenuButton<String>(
-              icon: const Icon(Icons.more_vert),
-              color: Colors.white,
+              icon: Icon(
+                Icons.more_vert,
+                color: isDark ? Colors.white : Colors.black,
+              ),
+              color: isDark ? const Color(0xFF2C2C2C) : Colors.white,
               onSelected: (value) {
                 switch (value) {
                   case 'changelog':
@@ -668,24 +733,23 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
                       ),
                     );
                     break;
-                  case 'dark_mode':
-                    break;
                   case 'about':
+                    Navigator.push(
+                      context,
+                      MaterialPageRoute(
+                        builder: (context) => const AboutPage(),
+                      ),
+                    );
+                    break;
+                  case 'dark_mode':
+                    // 夜间模式切换逻辑（需要全局状态管理）
                     break;
                 }
               },
               itemBuilder: (context) => [
                 const PopupMenuItem(value: 'changelog', child: Text('更新日志')),
-                const PopupMenuItem(
-                  value: 'dark_mode',
-                  enabled: false,
-                  child: Text('深色模式（开发中）'),
-                ),
-                const PopupMenuItem(
-                  value: 'about',
-                  enabled: false,
-                  child: Text('关于（开发中）'),
-                ),
+                const PopupMenuItem(value: 'dark_mode', child: Text('夜间模式')),
+                const PopupMenuItem(value: 'about', child: Text('关于')),
               ],
             ),
           ],
@@ -701,22 +765,23 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
                         children: [
                           Text(
                             _deviceModel,
-                            style: const TextStyle(
+                            style: TextStyle(
                               fontSize: 14,
-                              color: Colors.grey,
+                              color: isDark
+                                  ? Colors.grey.shade400
+                                  : Colors.grey,
                               fontWeight: FontWeight.w400,
                             ),
                           ),
                           const SizedBox(height: 4),
 
-                          // 🟢 BatterySummary（带异常检测）
                           RepaintBoundary(
                             child: BatterySummary(
                               healthPercent: healthPercent,
                               cycleCount: _cycleCount,
                               currentCap: _currentCap,
                               designCap: _designCap,
-                              abnormalType: abnormalType, // 🆕 1.7.0
+                              abnormalType: abnormalType,
                             ),
                           ),
 
@@ -761,7 +826,6 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
 
                           const SizedBox(height: 4),
 
-                          // 🟢 BatteryInfoPanel（带异常检测）
                           RepaintBoundary(
                             child: BatteryInfoPanel(
                               batteryVolt: _batteryVolt,
@@ -770,7 +834,7 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
                               minVolt: _minVolt,
                               maxTemp: _maxTemp,
                               minTemp: _minTemp,
-                              abnormalType: abnormalType, // 🆕 1.7.0
+                              abnormalType: abnormalType,
                             ),
                           ),
                         ],
@@ -779,19 +843,29 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
                   ),
                 ],
               )
-            : const Center(
+            : Center(
                 child: Column(
                   mainAxisAlignment: MainAxisAlignment.center,
                   children: [
-                    Icon(Icons.battery_unknown, size: 64, color: Colors.grey),
-                    SizedBox(height: 16),
+                    Icon(
+                      Icons.battery_unknown,
+                      size: 64,
+                      color: isDark ? Colors.grey.shade600 : Colors.grey,
+                    ),
+                    const SizedBox(height: 16),
                     Text(
                       '暂无数据',
-                      style: TextStyle(fontSize: 18, color: Colors.grey),
+                      style: TextStyle(
+                        fontSize: 18,
+                        color: isDark ? Colors.grey.shade400 : Colors.grey,
+                      ),
                     ),
                     Text(
                       '点击右上角刷新尝试',
-                      style: TextStyle(fontSize: 14, color: Colors.grey),
+                      style: TextStyle(
+                        fontSize: 14,
+                        color: isDark ? Colors.grey.shade500 : Colors.grey,
+                      ),
                     ),
                   ],
                 ),