feat(flutter): 精简首页标题并重做空态视觉
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Zhou Weidong committed
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@@ -4,15 +4,17 @@ import 'package:flutter/material.dart';
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import '../theme/app_colors.dart';
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const double _regularArtSize = 96;
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const double _compactArtSize = 64;
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const double _regularIconSize = 42;
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const double _compactIconSize = 28;
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const double _regularRadius = 28;
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const double _compactRadius = 18;
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const double _maxContentWidth = 280;
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const double _regularArtSize = 84;
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const double _compactArtSize = 60;
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const double _regularInnerSize = 56;
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const double _compactInnerSize = 40;
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const double _regularIconSize = 27;
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const double _compactIconSize = 21;
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const double _maxContentWidth = 260;
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const double _actionMinHeight = 44;
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const double _artOpacity = 0.11;
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const double _outerArtOpacity = 0.055;
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const double _outerBorderOpacity = 0.11;
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const double _innerArtOpacity = 0.11;
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/// 统一空列表占位：柔和图标、标题、可选说明与操作。
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class EmptyState extends StatelessWidget {
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@@ -39,6 +41,7 @@ class EmptyState extends StatelessWidget {
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final dark = Theme.of(context).brightness == Brightness.dark;
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final iconColor = dark ? AppColors.blueSoft : AppColors.blue;
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final artSize = compact ? _compactArtSize : _regularArtSize;
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final innerSize = compact ? _compactInnerSize : _regularInnerSize;
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final iconSize = compact ? _compactIconSize : _regularIconSize;
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final hasAction = actionLabel != null && onAction != null;
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return Center(
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@@ -46,7 +49,11 @@ class EmptyState extends StatelessWidget {
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key: const Key('empty-state-content'),
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constraints: const BoxConstraints(maxWidth: _maxContentWidth),
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child: Padding(
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padding: EdgeInsets.all(compact ? 16 : 24),
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key: const Key('empty-state-padding'),
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padding: EdgeInsets.symmetric(
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horizontal: compact ? 16 : 24,
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vertical: compact ? 16 : 28,
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),
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child: Semantics(
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container: true,
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label: title,
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@@ -60,20 +67,35 @@ class EmptyState extends StatelessWidget {
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height: artSize,
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alignment: Alignment.center,
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decoration: BoxDecoration(
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color: AppColors.blue.withValues(alpha: _artOpacity),
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borderRadius: BorderRadius.circular(
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compact ? _compactRadius : _regularRadius,
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shape: BoxShape.circle,
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color: AppColors.blue.withValues(alpha: _outerArtOpacity),
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border: Border.all(
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color: AppColors.blue.withValues(
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alpha: _outerBorderOpacity,
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),
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),
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),
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child: Icon(
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icon,
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key: const Key('empty-state-icon'),
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size: iconSize,
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color: iconColor,
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child: Container(
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key: const Key('empty-state-art-inner'),
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width: innerSize,
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height: innerSize,
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alignment: Alignment.center,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: AppColors.blue.withValues(
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alpha: _innerArtOpacity,
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),
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),
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child: Icon(
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icon,
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key: const Key('empty-state-icon'),
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size: iconSize,
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color: iconColor,
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),
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),
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),
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),
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SizedBox(height: compact ? 10 : 16),
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SizedBox(height: compact ? 10 : 14),
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ExcludeSemantics(
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child: Text(
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title,
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@@ -83,7 +105,7 @@ class EmptyState extends StatelessWidget {
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textAlign: TextAlign.center,
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style: TextStyle(
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color: scheme.onSurface,
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fontSize: compact ? 14 : 16,
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fontSize: 15,
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fontWeight: FontWeight.w600,
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height: 1.35,
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),
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@@ -99,14 +121,14 @@ class EmptyState extends StatelessWidget {
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textAlign: TextAlign.center,
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style: const TextStyle(
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color: AppColors.muted,
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fontSize: 13,
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height: 1.4,
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fontSize: 12.5,
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height: 1.45,
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),
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),
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),
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],
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if (hasAction) ...[
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const SizedBox(height: 10),
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const SizedBox(height: 8),
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TextButton(
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key: const Key('empty-state-action'),
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onPressed: onAction,
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@@ -115,7 +137,10 @@ class EmptyState extends StatelessWidget {
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minimumSize: const Size(44, _actionMinHeight),
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padding: const EdgeInsets.symmetric(horizontal: 14),
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),
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child: Text(actionLabel!),
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child: Text(
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actionLabel!,
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style: const TextStyle(fontSize: 13),
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),
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),
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],
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],
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@@ -144,24 +144,8 @@ class _DiscoverPageState extends State<DiscoverPage> {
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),
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SliverToBoxAdapter(
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child: Padding(
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padding: const EdgeInsets.fromLTRB(16, 18, 16, 12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_categories(l10n, categories),
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const SizedBox(height: 18),
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Text(
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l10n.allDramas,
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key: const Key('home-all-dramas-title'),
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style: const TextStyle(
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color: AppColors.onPrimary,
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fontSize: 18,
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fontWeight: FontWeight.w700,
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height: 1.2,
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),
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),
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],
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),
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padding: const EdgeInsets.fromLTRB(16, 18, 16, 14),
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child: _categories(l10n, categories),
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),
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),
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_HomeDramaGrid(
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@@ -277,6 +261,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
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(code: 'category-${category.id}', label: category.name),
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];
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return SizedBox(
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key: const Key('home-category-chips'),
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height: 32,
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child: ListView.separated(
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scrollDirection: Axis.horizontal,
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