feat(app): update ui

@@ -169,6 +169,8 @@ class FriendsController extends GetxController {
               _friendListVersion != pendingOrder.listVersion) {
             unawaited(refreshData());
           }
+          ta.track('ita_doublefeel_friend_page',
+              properties: {'ita_content': '长按拖动卡片'});
         } catch (error, stackTrace) {
           AppLogger.e(
             'FriendsController.reorderFriends failed',
@@ -250,6 +252,7 @@ class FriendsController extends GetxController {
           markName: selectedFriend.remark,
         ),
       );
+      ta.track('success_set_doublefeel_friend_on_watch');
     } catch (error, stackTrace) {
       await loadFriends();
       if (error is AppError) {

@@ -66,6 +66,7 @@ class PrivacySettingsView extends GetView<PrivacySettingsController> {
     return _settingRow(
       title: context.l10n.privacySettingsDisableAddById,
       value: controller.disableAddWithUCode,
+      height: 56.dp,
       onChanged: () => controller.isUpdatingDisableAddWithUCode.value
           ? null
           : controller.updateDisableAddWithUCode,
@@ -122,15 +123,11 @@ class PrivacySettingsView extends GetView<PrivacySettingsController> {
           ],
           const Spacer(),
           Obx(
-            () => Transform.scale(
-              scaleX: 52 / 51,
-              scaleY: 28 / 31,
-              child: CupertinoSwitch(
-                value: value.value,
-                activeTrackColor: AppColors.primary,
-                inactiveTrackColor: const Color(0xFFE5E5EA),
-                onChanged: onChanged(),
-              ),
+            () => CupertinoSwitch(
+              value: value.value,
+              activeTrackColor: AppColors.primary,
+              inactiveTrackColor: const Color(0xFFE5E5EA),
+              onChanged: onChanged(),
             ),
           ),
         ],

+import 'package:doublefeel_flutter/app/utils/font_utils.dart';
+import 'package:doublefeel_flutter/l10n/l10n_extensions.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:doublefeel_flutter/l10n/l10n_extensions.dart';
 
 import '../config/report_date_range_config.dart';
 import '../models/report_period.dart';
@@ -233,6 +234,8 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
   late final FixedExtentScrollController _yearController;
   late FixedExtentScrollController _monthController;
   late FixedExtentScrollController _dayController;
+  int _monthControllerVersion = 0;
+  int _dayControllerVersion = 0;
 
   @override
   void initState() {
@@ -271,6 +274,8 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
     final lastMonth = _lastSelectableMonth;
     final firstDay = _firstSelectableDay;
     final lastDay = _lastSelectableDay;
+    final monthControllerVersion = _monthControllerVersion;
+    final dayControllerVersion = _dayControllerVersion;
     final yearPicker = Expanded(
       child: _picker(
         controller: _yearController,
@@ -290,6 +295,7 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
     );
     final monthPicker = Expanded(
       child: _picker(
+        key: ValueKey('month-$_monthControllerVersion'),
         controller: _monthController,
         count: lastMonth - firstMonth + 1,
         selectedIndex: _month - firstMonth,
@@ -298,6 +304,7 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
           Localizations.localeOf(context).toLanguageTag(),
         ),
         onSelectedItemChanged: (index) {
+          if (monthControllerVersion != _monthControllerVersion) return;
           setState(() {
             _month = firstMonth + index;
             _clampDay();
@@ -307,6 +314,7 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
     );
     final dayPicker = Expanded(
       child: _picker(
+        key: ValueKey('day-$_dayControllerVersion'),
         controller: _dayController,
         count: lastDay - firstDay + 1,
         selectedIndex: _day - firstDay,
@@ -315,6 +323,7 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
           Localizations.localeOf(context).toLanguageTag(),
         ),
         onSelectedItemChanged: (index) {
+          if (dayControllerVersion != _dayControllerVersion) return;
           setState(() => _day = firstDay + index);
         },
       ),
@@ -365,6 +374,7 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
   }
 
   Widget _picker({
+    Key? key,
     required FixedExtentScrollController controller,
     required int count,
     required int selectedIndex,
@@ -372,6 +382,7 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
     required ValueChanged<int> onSelectedItemChanged,
   }) {
     return CupertinoPicker.builder(
+      key: key,
       scrollController: controller,
       itemExtent: _itemExtent,
       diameterRatio: 1.6,
@@ -424,6 +435,7 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
     final nextMonth = _month.clamp(firstMonth, lastMonth);
     _month = nextMonth;
     _monthController.dispose();
+    _monthControllerVersion++;
     _monthController =
         FixedExtentScrollController(initialItem: _month - firstMonth);
     _clampDay();
@@ -435,6 +447,7 @@ class _DayDatePickerSheetState extends State<_DayDatePickerSheet> {
     final nextDay = _day.clamp(firstDay, lastDay);
     _day = nextDay;
     _dayController.dispose();
+    _dayControllerVersion++;
     _dayController = FixedExtentScrollController(initialItem: _day - firstDay);
   }
 
@@ -757,7 +770,7 @@ class _AdjacentPicker extends StatelessWidget {
             softWrap: false,
             overflow: TextOverflow.visible,
             style: TextStyle(
-              fontFamily: 'PingFangSC',
+              fontFamily: FontUtils.getFontFamily(context),
               color: selected
                   ? _ReportPickerColors.h1
                   : adjacent

 import 'package:flutter/material.dart';
 
+import '../../../utils/font_utils.dart';
+
 class ReportDateSwitcher extends StatelessWidget {
   const ReportDateSwitcher({
     super.key,
@@ -48,12 +50,12 @@ class ReportDateSwitcher extends StatelessWidget {
                 children: [
                   Text(
                     label,
-                    style: const TextStyle(
+                    style: TextStyle(
                       color: _brand,
                       fontSize: 14,
                       fontWeight: FontWeight.w500,
                       height: 1.2,
-                      fontFamily: 'PingFangSC',
+                      fontFamily: FontUtils.getFontFamily(context),
                     ),
                   ),
                   const SizedBox(width: 2),

-import 'package:flutter/material.dart';
 import 'package:doublefeel_flutter/l10n/l10n_extensions.dart';
+import 'package:flutter/material.dart';
 
 import 'sleep_report_text_styles.dart';
 
@@ -68,8 +68,9 @@ class SleepQualityDialog extends StatelessWidget {
                       child: Text(
                         context.l10n.sleepQualityTitle,
                         textAlign: TextAlign.center,
-                        strutStyle: SleepReportTextStyles.titleStrutStyle,
-                        style: SleepReportTextStyles.titleTextStyle,
+                        strutStyle:
+                            SleepReportTextStyles.titleStrutStyle(context),
+                        style: SleepReportTextStyles.titleTextStyle(context),
                       ),
                     ),
                   ),

-import 'package:flutter/foundation.dart';
+import 'package:doublefeel_flutter/app/utils/font_utils.dart';
 import 'package:flutter/material.dart';
 
 abstract final class SleepReportTextStyles {
   static const titleColor = Color(0xFF0F0F11);
 
-  static bool get _usesAppleTextRenderer =>
-      defaultTargetPlatform == TargetPlatform.iOS ||
-      defaultTargetPlatform == TargetPlatform.macOS;
-
-  static TextStyle get titleTextStyle {
-    const baseStyle = TextStyle(
+  static TextStyle titleTextStyle(BuildContext context) {
+    final fontFamily = FontUtils.getFontFamily(context);
+    return TextStyle(
       color: titleColor,
       fontSize: 16,
       fontWeight: FontWeight.w600,
       height: 1.2,
-    );
-    if (!_usesAppleTextRenderer) return baseStyle;
-    return baseStyle.copyWith(
-      fontFamily: 'PingFangSC',
-      fontFamilyFallback: const ['Heiti SC', 'Arial Unicode MS'],
+      fontFamily: fontFamily,
     );
   }
 
-  static StrutStyle get titleStrutStyle {
-    if (!_usesAppleTextRenderer) {
-      return const StrutStyle(
-        fontSize: 16,
-        height: 1.2,
-      );
-    }
-    return const StrutStyle(
+  static StrutStyle titleStrutStyle(BuildContext context) {
+    final fontFamily = FontUtils.getFontFamily(context);
+    return StrutStyle(
       fontSize: 16,
-      fontFamily: 'PingFangSC',
-      fontFamilyFallback: ['Heiti SC', 'Arial Unicode MS'],
       height: 1.2,
+      fontFamily: fontFamily,
     );
   }
 }

@@ -34,10 +34,11 @@ class SleepWeekReportView extends StatelessWidget {
   static const h3 = Color(0xFFB0B0B6);
   static const grid = Color(0xFFF3F3F3);
 
-  static TextStyle get titleTextStyle => SleepReportTextStyles.titleTextStyle;
+  static TextStyle titleTextStyle(BuildContext context) =>
+      SleepReportTextStyles.titleTextStyle(context);
 
-  static StrutStyle get titleStrutStyle =>
-      SleepReportTextStyles.titleStrutStyle;
+  static StrutStyle titleStrutStyle(BuildContext context) =>
+      SleepReportTextStyles.titleStrutStyle(context);
 
   static int minutesFromEvening(DateTime time) {
     final minutes = time.hour * 60 + time.minute;
@@ -463,8 +464,8 @@ class _TrendCard extends StatelessWidget {
         children: [
           Text(
             title,
-            strutStyle: SleepWeekReportView.titleStrutStyle,
-            style: SleepWeekReportView.titleTextStyle,
+            strutStyle: SleepWeekReportView.titleStrutStyle(context),
+            style: SleepWeekReportView.titleTextStyle(context),
           ),
           const SizedBox(height: 14),
           Expanded(child: chart),
@@ -616,6 +617,7 @@ class _DurationChartState extends State<_DurationChart> {
         widget.compact,
       ),
       barTouchData: _barTouchData(
+        context: context,
         days: widget.days,
         chartWidth: plotWidth,
         compact: widget.compact,
@@ -823,6 +825,7 @@ class _QualityChartState extends State<_QualityChart> {
         widget.compact,
       ),
       barTouchData: _barTouchData(
+        context: context,
         days: widget.days,
         chartWidth: plotWidth,
         compact: widget.compact,
@@ -1107,6 +1110,7 @@ class _BedtimeChartState extends State<_BedtimeChart> {
         handleBuiltInTouches: false,
         getTouchedSpotIndicator: _lineTouchedIndicators,
         touchTooltipData: _lineTooltipData(
+          context: context,
           days: widget.days,
           dataBuilder: (report) => _ChartSummaryData.bedtime(
             report,
@@ -1292,6 +1296,7 @@ class _BedtimeAxis {
 }
 
 BarTouchData _barTouchData({
+  required BuildContext context,
   required List<SleepReport> days,
   required double chartWidth,
   required bool compact,
@@ -1350,7 +1355,7 @@ BarTouchData _barTouchData({
         if (groupIndex < 0 || groupIndex >= days.length) return null;
         final report = days[groupIndex];
         if (!hasData(report)) return null;
-        return _barTooltipItem(dataBuilder(report));
+        return _barTooltipItem(context, dataBuilder(report));
       },
     ),
   );
@@ -1390,10 +1395,12 @@ double _barCenterForIndex(
   return chartLeft + barWidth / 2 + (barWidth + groupsSpace) * index;
 }
 
-BarTooltipItem _barTooltipItem(_ChartSummaryData data) {
+BarTooltipItem _barTooltipItem(BuildContext context, _ChartSummaryData data) {
   return BarTooltipItem(
     data.title,
-    SleepWeekReportView.titleTextStyle.copyWith(color: data.titleColor),
+    SleepWeekReportView.titleTextStyle(context).copyWith(
+      color: data.titleColor,
+    ),
     textAlign: TextAlign.start,
     children: [
       TextSpan(
@@ -1410,6 +1417,7 @@ BarTooltipItem _barTooltipItem(_ChartSummaryData data) {
 }
 
 LineTouchTooltipData _lineTooltipData({
+  required BuildContext context,
   required List<SleepReport> days,
   required _ChartSummaryData Function(SleepReport report) dataBuilder,
 }) {
@@ -1430,16 +1438,18 @@ LineTouchTooltipData _lineTooltipData({
         if (!report.hasSleepData || report.heartRate.sleepStart == null) {
           return null;
         }
-        return _lineTooltipItem(dataBuilder(report));
+        return _lineTooltipItem(context, dataBuilder(report));
       }).toList();
     },
   );
 }
 
-LineTooltipItem _lineTooltipItem(_ChartSummaryData data) {
+LineTooltipItem _lineTooltipItem(BuildContext context, _ChartSummaryData data) {
   return LineTooltipItem(
     data.title,
-    SleepWeekReportView.titleTextStyle.copyWith(color: data.titleColor),
+    SleepWeekReportView.titleTextStyle(context).copyWith(
+      color: data.titleColor,
+    ),
     textAlign: TextAlign.start,
     children: [
       TextSpan(

+import 'package:flutter/widgets.dart';
+
+/// Provides locale-aware font selection for text widgets.
+class FontUtils {
+  FontUtils._();
+
+  static const pingFangSc = 'PingFangSC';
+
+  /// Returns PingFang SC for Chinese and English; other languages use the
+  /// platform's default font.
+  static String? getFontFamily(BuildContext context) {
+    return getFontFamilyForLocale(Localizations.localeOf(context));
+  }
+
+  static String? getFontFamilyForLocale(Locale locale) {
+    switch (locale.languageCode.toLowerCase()) {
+      case 'zh':
+      case 'en':
+        return pingFangSc;
+      default:
+        return null;
+    }
+  }
+}

-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+
 import 'app_colors_extension.dart';
 
 /// Class managing the Application ThemeData for both Light and Dark themes.
 /// Automatically hooks up our custom Figma colors system as a ThemeExtension.
 class AppTheme {
   AppTheme._();
-  static String? get _platformFontFamily =>
-      defaultTargetPlatform == TargetPlatform.iOS ? 'PingFangSC' : null;
 
   static const systemUiOverlayStyle = SystemUiOverlayStyle(
     statusBarColor: Colors.transparent,
@@ -24,7 +22,6 @@ class AppTheme {
 
     return ThemeData(
       useMaterial3: true,
-      fontFamily: _platformFontFamily,
       brightness: Brightness.light,
       primaryColor: colors.primary,
       scaffoldBackgroundColor: colors.backgroundPage,
@@ -39,7 +36,6 @@ class AppTheme {
         iconTheme: IconThemeData(color: colors.textPrimary),
         actionsIconTheme: IconThemeData(color: colors.textPrimary),
         titleTextStyle: TextStyle(
-          fontFamily: _platformFontFamily,
           color: Colors.black,
           fontSize: 16,
           fontWeight: FontWeight.w500,
@@ -70,7 +66,6 @@ class AppTheme {
     final colors = AppColorsExtension.dark();
     return ThemeData(
       useMaterial3: true,
-      fontFamily: _platformFontFamily,
       brightness: Brightness.dark,
       primaryColor: colors.primary,
       scaffoldBackgroundColor: colors.backgroundLight,
@@ -83,7 +78,6 @@ class AppTheme {
         iconTheme: IconThemeData(color: colors.textPrimary),
         actionsIconTheme: IconThemeData(color: colors.textPrimary),
         titleTextStyle: TextStyle(
-          fontFamily: _platformFontFamily,
           color: Colors.black,
           fontSize: 16,
           fontWeight: FontWeight.w500,
@@ -111,5 +105,6 @@ class AppTheme {
 extension AppThemeContextExtension on BuildContext {
   AppColorsExtension get colors =>
       Theme.of(this).extension<AppColorsExtension>()!;
+
   ThemeData get theme => Theme.of(this);
 }