Initial commit: Flutter 无书应用项目
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lib/constants/app_constants.dart
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180
lib/constants/app_constants.dart
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// 时间: 2026-03-22
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// 功能: 应用全局常量
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// 介绍: 颜色、路由、文案、布局等集中定义，供各页面复用
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// 最新变化: 新增 tabbedPageToolbarHeight / tabbedPageTabBarHeight，压缩主导航子页标题+Tab 占用高度
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import 'package:flutter/material.dart';
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class AppConstants {
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// 应用信息
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static const String appName = 'Poes';
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static const String appVersion = '1.0.0';
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// 响应式断点
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static const double mobileBreakpoint = 768.0;
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static const double tabletBreakpoint = 1024.0;
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static const double desktopBreakpoint = 1440.0;
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// 路由名称
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static const String routeHome = '/home';
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static const String routeSettings = '/settings';
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static const String routeProfile = '/profile';
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static const String routeWidgets = '/widgets';
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static const String routeWidgetsPage = '/widgets_page';
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static const String routeCollectNotes = '/collect_notes';
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// 颜色常量
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static const Color primaryColor = Color(0xFF6200EE);
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static const Color secondaryColor = Color(0xFF03DAC6);
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static const Color backgroundColor = Color(0xFFFFFFFF);
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static const Color surfaceColor = Color(0xFFFFFFFF);
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static const Color errorColor = Color(0xFFB00020);
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static const Color warningColor = Color(0xFFFF9800);
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static const Color successColor = Color(0xFF4CAF50);
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static const Color infoColor = Color(0xFF2196F3);
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// 文本常量
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static const String appTitle = 'Poes';
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static const String loadingText = '加载中...';
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static const String errorText = '出错了';
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static const String retryText = '重试';
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static const String cancelText = '取消';
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static const String confirmText = '确认';
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static const String saveText = '保存';
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static const String deleteText = '删除';
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static const String editText = '编辑';
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static const String addText = '添加';
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static const String searchText = '搜索';
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static const String filterText = '筛选';
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static const String sortText = '排序';
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static const String refreshText = '刷新';
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// 响应式文本常量
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static const String noDataText = '暂无数据';
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static const String networkErrorText = '网络连接失败';
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static const String loadMoreText = '加载更多';
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static const String pullToRefreshText = '下拉刷新';
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static const String releaseToRefreshText = '释放刷新';
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// 图标常量
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static const IconData homeIcon = Icons.home;
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static const IconData settingsIcon = Icons.settings;
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static const IconData profileIcon = Icons.person;
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static const IconData searchIcon = Icons.search;
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static const IconData filterIcon = Icons.filter_list;
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static const IconData sortIcon = Icons.sort;
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static const IconData refreshIcon = Icons.refresh;
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static const IconData addIcon = Icons.add;
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static const IconData editIcon = Icons.edit;
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static const IconData deleteIcon = Icons.delete;
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static const IconData saveIcon = Icons.save;
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static const IconData cancelIcon = Icons.cancel;
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static const IconData confirmIcon = Icons.check;
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static const IconData backIcon = Icons.arrow_back;
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static const IconData menuIcon = Icons.menu;
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static const IconData closeIcon = Icons.close;
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static const IconData notificationIcon = Icons.notifications;
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static const IconData favoriteIcon = Icons.favorite;
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static const IconData shareIcon = Icons.share;
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static const IconData downloadIcon = Icons.download;
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static const IconData uploadIcon = Icons.upload;
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// 响应式图标常量
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static const IconData expandIcon = Icons.expand_more;
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static const IconData collapseIcon = Icons.expand_less;
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static const IconData fullscreenIcon = Icons.fullscreen;
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static const IconData fullscreenExitIcon = Icons.fullscreen_exit;
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static const IconData gridIcon = Icons.grid_view;
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static const IconData listIcon = Icons.view_list;
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// 动画时长
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static const Duration animationDurationShort = Duration(milliseconds: 200);
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static const Duration animationDurationMedium = Duration(milliseconds: 300);
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static const Duration animationDurationLong = Duration(milliseconds: 500);
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// 网络相关
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static const int httpTimeout = 30000; // 30秒
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static const int maxRetryCount = 3;
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// 分页相关
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static const int defaultPageSize = 20;
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static const int firstPageIndex = 1;
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// 响应式分页
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static const int pageSizeMobile = 10;
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static const int pageSizeTablet = 15;
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static const int pageSizeDesktop = 20;
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static const int pageSizeLargeDesktop = 25;
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// 正则表达式
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static const String emailRegex =
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r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$';
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static const String phoneRegex = r'^1[3-9]\d{9}$';
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static const String passwordRegex =
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r'^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z\d@$!%*?&]{8,}$';
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// 存储键名
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static const String tokenKey = 'auth_token';
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static const String userKey = 'user_info';
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static const String themeKey = 'theme_mode';
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static const String languageKey = 'language_code';
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static const String firstLaunchKey = 'first_launch';
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// 响应式存储键名
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static const String layoutModeKey = 'layout_mode';
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static const String fontSizeKey = 'font_size';
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static const String gridColumnsKey = 'grid_columns';
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// 错误消息
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static const String networkError = '网络连接失败，请检查网络设置';
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static const String serverError = '服务器错误，请稍后重试';
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static const String dataError = '数据错误，请重试';
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static const String authError = '认证失败，请重新登录';
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static const String permissionError = '权限不足';
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static const String notFoundError = '未找到相关内容';
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static const String unknownError = '未知错误，请联系客服';
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// 响应式错误消息
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static const String screenNotSupportedError = '当前屏幕尺寸不支持';
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static const String orientationNotSupportedError = '当前屏幕方向不支持';
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static const String splitScreenNotSupportedError = '分屏模式不支持';
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// 成功消息
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static const String saveSuccess = '保存成功';
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static const String deleteSuccess = '删除成功';
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static const String updateSuccess = '更新成功';
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static const String loginSuccess = '登录成功';
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static const String logoutSuccess = '退出成功';
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static const String uploadSuccess = '上传成功';
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static const String downloadSuccess = '下载成功';
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// 响应式成功消息
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static const String layoutChangedSuccess = '布局已切换';
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static const String fontSizeChangedSuccess = '字体大小已调整';
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static const String orientationChangedSuccess = '屏幕方向已调整';
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// 页面内容区与主导航子页统一的水平内边距（与 TabBar 可滚动标签左侧对齐）
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static const double pageHorizontalPadding = 16.0;
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/// 主导航子页标题行高度（默认 [kToolbarHeight] 为 56，略压缩以减少顶部留白）
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static const double tabbedPageToolbarHeight = 48.0;
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/// 主导航子页 Tab 行高度（默认约 48，略压缩；过小易触发指示条溢出）
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static const double tabbedPageTabBarHeight = 46.0;
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// 布局相关
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static const String gridLayout = 'grid';
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static const String listLayout = 'list';
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static const String compactLayout = 'compact';
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static const String spaciousLayout = 'spacious';
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// 屏幕方向
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static const String portraitOrientation = 'portrait';
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static const String landscapeOrientation = 'landscape';
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// 设备类型
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static const String mobileDevice = 'mobile';
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static const String tabletDevice = 'tablet';
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static const String desktopDevice = 'desktop';
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static const String largeDesktopDevice = 'large_desktop';
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}
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