✨ Color scheme

assets/translations/en-US.json

@@ -184,6 +184,10 @@
   "settingsBackgroundImageClearDescription": "Reset the background image to blank.",
   "settingsThemeMaterial3": "Use Material You Design",
   "settingsThemeMaterial3Description": "Set the application theme to Material 3 Design.",
+  "settingsColorScheme": "Color Scheme",
+  "settingsColorSchemeDescription": "Set the application primary color.",
+  "settingsColorSeed": "Color Seed",
+  "settingsColorSeedDescription": "Select one of the present color schemes.",
   "settingsNetwork": "Network",
   "settingsNetworkServer": "HyperNet Server",
   "settingsNetworkServerDescription": "Set the HyperNet server address, choose ours or build your own.",
@@ -450,7 +454,7 @@
   "publisherBlockHintDescription": "You are going to block this publisher's maintainer, this will also block publishers that run by the same user.",
   "userUnblocked": "{} has been unblocked.",
   "userBlocked": "{} has been blocked.",
-  "postSharingViaPicture": "Capturing post as picture, please stand by...",
+  "postSharingViaPicture": "Capturing post as picture, please wait...",
   "postImageShareReadMore": "Scan the QR code to read full post",
   "postImageShareAds": "Explore posts on the Solar Network",
   "postShare": "Share",
@@ -461,5 +465,15 @@
   "shareIntentDescription":  "What do you want to do with the content you are sharing?",
   "shareIntentPostStory": "Post a Story",
   "updateAvailable": "Update Available",
-  "updateOngoing": "正在更新，请稍后..."
+  "updateOngoing": "Updating, please wait...",
+  "custom": "Custom",
+  "colorSchemeIndigo": "Indigo",
+  "colorSchemeBlue": "Blue",
+  "colorSchemeGreen": "Green",
+  "colorSchemeYellow": "Yellow",
+  "colorSchemeOrange": "Orange",
+  "colorSchemeRed": "Red",
+  "colorSchemeWhite": "White",
+  "colorSchemeBlack": "Black",
+  "colorSchemeApplied": "Color scheme has been applied, may need restart the app to take effect."
 }

assets/translations/zh-CN.json

@@ -182,6 +182,10 @@
   "settingsBackgroundImageClearDescription": "将应用背景图重置为空白。",
   "settingsThemeMaterial3": "使用 Material You 设计范式",
   "settingsThemeMaterial3Description": "将应用主题设置为 Material 3 设计范式的主题。",
+  "settingsColorScheme": "主题色",
+  "settingsColorSchemeDescription": "设置应用主题色。",
+  "settingsColorSeed": "预设色彩主题",
+  "settingsColorSeedDescription": "选择一个预设色彩主题。",
   "settingsNetwork": "网络",
   "settingsNetworkServer": "HyperNet 服务器",
   "settingsNetworkServerDescription": "设置 HyperNet 服务器地址，选择我们提供的，或者自己搭建。",
@@ -459,5 +463,15 @@
   "shareIntentDescription": "您想对您分享的内容做些什么？",
   "shareIntentPostStory": "发布动态",
   "updateAvailable": "检测到更新可用",
-  "updateOngoing": "正在更新，请稍后……"
+  "updateOngoing": "正在更新，请稍后……",
+  "custom": "自定义",
+  "colorSchemeIndigo": "靛蓝",
+  "colorSchemeBlue": "蓝色",
+  "colorSchemeGreen": "绿色",
+  "colorSchemeYellow": "黄色",
+  "colorSchemeOrange": "橙色",
+  "colorSchemeRed": "红色",
+  "colorSchemeWhite": "白色",
+  "colorSchemeBlack": "黑色",
+  "colorSchemeApplied": "主题色已应用，可能需要重启来生效。"
 }

assets/translations/zh-HK.json

@@ -123,6 +123,8 @@
   "fieldPostTitle": "標題",
   "fieldPostDescription": "描述",
   "fieldPostTags": "標籤",
+  "fieldPostAlias": "別名",
+  "fieldPostAliasHint": "可選項，用於在 URL 中表示該帖子，應遵循 URL-Safe 的原則。",
   "postPublish": "發佈",
   "postPublishedAt": "發佈於",
   "postPublishedUntil": "取消發佈於",
@@ -180,6 +182,10 @@
   "settingsBackgroundImageClearDescription": "將應用背景圖重置為空白。",
   "settingsThemeMaterial3": "使用 Material You 設計範式",
   "settingsThemeMaterial3Description": "將應用主題設置為 Material 3 設計範式的主題。",
+  "settingsColorScheme": "主題色",
+  "settingsColorSchemeDescription": "設置應用主題色。",
+  "settingsColorSeed": "預設色彩主題",
+  "settingsColorSeedDescription": "選擇一個預設色彩主題。",
   "settingsNetwork": "網絡",
   "settingsNetworkServer": "HyperNet 服務器",
   "settingsNetworkServerDescription": "設置 HyperNet 服務器地址，選擇我們提供的，或者自己搭建。",
@@ -368,6 +374,8 @@
   "dailyCheckNegativeHint6": "出門",
   "dailyCheckNegativeHint6Description": "忘帶傘遇上大雨",
   "happyBirthday": "生日快樂，{}！",
+  "celebrateMerryXmas": "聖誕快樂，{}！",
+  "celebrateNewYear": "新年快樂，{}！",
   "friendNew": "添加好友",
   "friendRequests": "好友請求",
   "friendRequestsDescription": {
@@ -453,5 +461,17 @@
   "poweredBy": "由 {} 提供支持",
   "shareIntent": "分享",
   "shareIntentDescription": "您想對您分享的內容做些什麼？",
-  "shareIntentPostStory": "發佈動態"
+  "shareIntentPostStory": "發佈動態",
+  "updateAvailable": "檢測到更新可用",
+  "updateOngoing": "正在更新，請稍後……",
+  "custom": "自定義",
+  "colorSchemeIndigo": "靛藍",
+  "colorSchemeBlue": "藍色",
+  "colorSchemeGreen": "綠色",
+  "colorSchemeYellow": "黃色",
+  "colorSchemeOrange": "橙色",
+  "colorSchemeRed": "紅色",
+  "colorSchemeWhite": "白色",
+  "colorSchemeBlack": "黑色",
+  "colorSchemeApplied": "主題色已應用，可能需要重啓來生效。"
 }

assets/translations/zh-TW.json

@@ -123,6 +123,8 @@
   "fieldPostTitle": "標題",
   "fieldPostDescription": "描述",
   "fieldPostTags": "標籤",
+  "fieldPostAlias": "別名",
+  "fieldPostAliasHint": "可選項，用於在 URL 中表示該帖子，應遵循 URL-Safe 的原則。",
   "postPublish": "釋出",
   "postPublishedAt": "釋出於",
   "postPublishedUntil": "取消釋出於",
@@ -180,6 +182,10 @@
   "settingsBackgroundImageClearDescription": "將應用背景圖重置為空白。",
   "settingsThemeMaterial3": "使用 Material You 設計正規化",
   "settingsThemeMaterial3Description": "將應用主題設定為 Material 3 設計正規化的主題。",
+  "settingsColorScheme": "主題色",
+  "settingsColorSchemeDescription": "設定應用主題色。",
+  "settingsColorSeed": "預設色彩主題",
+  "settingsColorSeedDescription": "選擇一個預設色彩主題。",
   "settingsNetwork": "網路",
   "settingsNetworkServer": "HyperNet 伺服器",
   "settingsNetworkServerDescription": "設定 HyperNet 伺服器地址，選擇我們提供的，或者自己搭建。",
@@ -368,6 +374,8 @@
   "dailyCheckNegativeHint6": "出門",
   "dailyCheckNegativeHint6Description": "忘帶傘遇上大雨",
   "happyBirthday": "生日快樂，{}！",
+  "celebrateMerryXmas": "聖誕快樂，{}！",
+  "celebrateNewYear": "新年快樂，{}！",
   "friendNew": "新增好友",
   "friendRequests": "好友請求",
   "friendRequestsDescription": {
@@ -453,5 +461,17 @@
   "poweredBy": "由 {} 提供支援",
   "shareIntent": "分享",
   "shareIntentDescription": "您想對您分享的內容做些什麼？",
-  "shareIntentPostStory": "釋出動態"
+  "shareIntentPostStory": "釋出動態",
+  "updateAvailable": "檢測到更新可用",
+  "updateOngoing": "正在更新，請稍後……",
+  "custom": "自定義",
+  "colorSchemeIndigo": "靛藍",
+  "colorSchemeBlue": "藍色",
+  "colorSchemeGreen": "綠色",
+  "colorSchemeYellow": "黃色",
+  "colorSchemeOrange": "橙色",
+  "colorSchemeRed": "紅色",
+  "colorSchemeWhite": "白色",
+  "colorSchemeBlack": "黑色",
+  "colorSchemeApplied": "主題色已應用，可能需要重啟來生效。"
 }

lib/providers/theme.dart

@@ -1,3 +1,5 @@
+import 'dart:ui';
+
 import 'package:flutter/foundation.dart';
 import 'package:surface/theme.dart';
 
@@ -11,8 +13,8 @@ class ThemeProvider extends ChangeNotifier {
     });
   }
 
-  void reloadTheme({bool? useMaterial3}) {
+  void reloadTheme({Color? seedColorOverride, bool? useMaterial3}) {
-    createAppThemeSet().then((value) {
+    createAppThemeSet(seedColorOverride: seedColorOverride, useMaterial3: useMaterial3).then((value) {
       theme = value;
       notifyListeners();
     });

lib/screens/settings.dart

@@ -5,6 +5,7 @@ import 'package:dropdown_button2/dropdown_button2.dart';
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_colorpicker/flutter_colorpicker.dart';
 import 'package:go_router/go_router.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:material_symbols_icons/symbols.dart';
@@ -18,6 +19,17 @@ import 'package:surface/providers/theme.dart';
 import 'package:surface/theme.dart';
 import 'package:surface/widgets/dialog.dart';
 
+const Map<String, Color> kColorSchemes = {
+  'colorSchemeIndigo': Colors.indigo,
+  'colorSchemeBlue': Colors.blue,
+  'colorSchemeGreen': Colors.green,
+  'colorSchemeYellow': Colors.yellow,
+  'colorSchemeOrange': Colors.orange,
+  'colorSchemeRed': Colors.red,
+  'colorSchemeWhite': Colors.white,
+  'colorSchemeBlack': Colors.black,
+};
+
 class SettingsScreen extends StatefulWidget {
   const SettingsScreen({super.key});
 
@@ -77,7 +89,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                       if (image == null) return;
 
                       await File(image.path).copy('$_docBasepath/app_background_image');
-                      _prefs.setBool('has_background_image', true);
+                      _prefs.setBool('app_has_background', true);
 
                       setState(() {});
                     },
@@ -98,7 +110,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                           trailing: const Icon(Symbols.chevron_right),
                           onTap: () {
                             File('$_docBasepath/app_background_image').deleteSync();
-                            _prefs.remove('has_background_image');
+                            _prefs.remove('app_has_background');
                             setState(() {});
                           },
                         );
@@ -120,6 +132,101 @@ class _SettingsScreenState extends State<SettingsScreen> {
                     th.reloadTheme(useMaterial3: value ?? false);
                   },
                 ),
+                ListTile(
+                  leading: const Icon(Symbols.format_paint),
+                  title: Text('settingsColorScheme').tr(),
+                  subtitle: Text('settingsColorSchemeDescription').tr(),
+                  contentPadding: const EdgeInsets.only(left: 24, right: 17),
+                  trailing: const Icon(Symbols.chevron_right),
+                  onTap: () async {
+                    Color pickerColor = Color(_prefs.getInt('app_color_scheme') ?? Colors.indigo.value);
+                    final color = await showDialog<Color?>(
+                      context: context,
+                      builder: (context) => AlertDialog(
+                        content: SingleChildScrollView(
+                          child: ColorPicker(
+                            pickerColor: pickerColor,
+                            onColorChanged: (color) => pickerColor = color,
+                            enableAlpha: false,
+                            hexInputBar: true,
+                          ),
+                        ),
+                        actions: <Widget>[
+                          TextButton(
+                            child: const Text('dialogDismiss').tr(),
+                            onPressed: () {
+                              Navigator.of(context).pop();
+                            },
+                          ),
+                          TextButton(
+                            child: const Text('dialogConfirm').tr(),
+                            onPressed: () {
+                              Navigator.of(context).pop(pickerColor);
+                            },
+                          ),
+                        ],
+                      ),
+                    );
+
+                    if (color == null || !context.mounted) return;
+
+                    _prefs.setInt('app_color_scheme', color.value);
+                    final th = context.read<ThemeProvider>();
+                    th.reloadTheme(seedColorOverride: color);
+                    setState(() {});
+
+                    context.showSnackbar('colorSchemeApplied'.tr());
+                  },
+                ),
+                ListTile(
+                  leading: const Icon(Symbols.palette),
+                  title: Text('settingsColorSeed').tr(),
+                  subtitle: Text('settingsColorSeedDescription').tr(),
+                  contentPadding: const EdgeInsets.only(left: 24, right: 17),
+                  trailing: DropdownButtonHideUnderline(
+                    child: DropdownButton2<int?>(
+                      isExpanded: true,
+                      items: [
+                        ...kColorSchemes.entries.mapIndexed((idx, ele) {
+                          return DropdownMenuItem<int>(
+                            value: idx,
+                            child: Text(ele.key).tr(),
+                          );
+                        }),
+                        DropdownMenuItem<int>(
+                          value: -1,
+                          child: Text('custom').tr(),
+                        ),
+                      ],
+                      value: _prefs.getInt('app_color_scheme') == null
+                          ? 1
+                          : kColorSchemes.values
+                              .toList()
+                              .indexWhere((ele) => ele.value == _prefs.getInt('app_color_scheme')),
+                      onChanged: (int? value) {
+                        if (value != null && value != -1) {
+                          _prefs.setInt('app_color_scheme', kColorSchemes.values.elementAt(value).value);
+                          final th = context.watch<ThemeProvider>();
+                          th.reloadTheme(seedColorOverride: kColorSchemes.values.elementAt(value));
+                          setState(() {});
+
+                          context.showSnackbar('colorSchemeApplied'.tr());
+                        }
+                      },
+                      buttonStyleData: const ButtonStyleData(
+                        padding: EdgeInsets.symmetric(
+                          horizontal: 16,
+                          vertical: 5,
+                        ),
+                        height: 40,
+                        width: 160,
+                      ),
+                      menuItemStyleData: const MenuItemStyleData(
+                        height: 40,
+                      ),
+                    ),
+                  ),
+                ),
               ],
             ),
             Column(
@@ -189,7 +296,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                           horizontal: 16,
                           vertical: 5,
                         ),
-                        height: 40,
+                        height: 56,
                         width: 160,
                       ),
                       menuItemStyleData: const MenuItemStyleData(

lib/theme.dart

@@ -10,7 +10,7 @@ class ThemeSet {
   ThemeSet({required this.light, required this.dark});
 }
 
-Future<ThemeSet> createAppThemeSet({bool? useMaterial3}) async {
+Future<ThemeSet> createAppThemeSet({Color? seedColorOverride, bool? useMaterial3}) async {
   return ThemeSet(
     light: await createAppTheme(Brightness.light, useMaterial3: useMaterial3),
     dark: await createAppTheme(Brightness.dark, useMaterial3: useMaterial3),
@@ -19,16 +19,20 @@ Future<ThemeSet> createAppThemeSet({bool? useMaterial3}) async {
 
 Future<ThemeData> createAppTheme(
   Brightness brightness, {
+    Color? seedColorOverride,
   bool? useMaterial3,
 }) async {
   final prefs = await SharedPreferences.getInstance();
 
+  final seedColorString = prefs.getInt('app_color_scheme');
+  final seedColor = seedColorString != null ? Color(seedColorString) : Colors.indigo;
+
   final colorScheme = ColorScheme.fromSeed(
-    seedColor: Colors.indigo,
+    seedColor: seedColorOverride ?? seedColor,
     brightness: brightness,
   );
 
-  final hasBackground = prefs.getBool('has_background_image') ?? false;
+  final hasBackground = prefs.getBool('app_has_background') ?? false;
 
   return ThemeData(
     useMaterial3: useMaterial3 ?? (prefs.getBool(kMaterialYouToggleStoreKey) ?? false),

pubspec.lock

@@ -643,6 +643,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.4.1"
+  flutter_colorpicker:
+    dependency: "direct main"
+    description:
+      name: flutter_colorpicker
+      sha256: "969de5f6f9e2a570ac660fb7b501551451ea2a1ab9e2097e89475f60e07816ea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   flutter_context_menu:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -111,6 +111,7 @@ dependencies:
   flutter_app_update: ^3.2.2
   in_app_review: ^2.0.10
   version: ^3.0.2
+  flutter_colorpicker: ^1.1.0
 
 dev_dependencies:
   flutter_test: