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新增毛玻璃主题

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This commit is contained in:
DelLevin-Home
2026-08-12 22:28:33 +08:00
parent be3299a0b3
commit ad6ab51afd
78 changed files with 672 additions and 237 deletions
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114
lib/widgets/bottom_nav_bar.dart
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@@ -1,3 +1,4 @@
import 'dart:ui' as ui;
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../providers/app_provider.dart';
@@ -10,9 +11,6 @@ class CustomBottomNavBar extends StatelessWidget {
@override
Widget build(BuildContext context) {
final bottomPadding = MediaQuery.of(context).padding.bottom;
final colors = Theme.of(context).colorScheme;
final isDark = Theme.of(context).brightness == Brightness.dark;
return Consumer<AppProvider>(
builder: (context, provider, child) {
return Container(
@@ -21,48 +19,7 @@ class CustomBottomNavBar extends StatelessWidget {
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
height: 56,
margin: const EdgeInsets.symmetric(horizontal: 40),
decoration: BoxDecoration(
color: colors.surface,
borderRadius: BorderRadius.circular(28),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: isDark ? 0.3 : 0.08),
blurRadius: 20,
offset: const Offset(0, 4),
spreadRadius: 0,
),
BoxShadow(
color: Colors.black.withValues(alpha: isDark ? 0.15 : 0.04),
blurRadius: 8,
offset: const Offset(0, 2),
spreadRadius: -2,
),
],
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
_buildNavItem(
colors: colors,
icon: Icons.home_outlined,
activeIcon: Icons.home,
isActive: provider.bottomNavIndex == 0,
onTap: () => provider.setBottomNavIndex(0),
),
_buildAddButton(context, provider),
_buildNavItem(
colors: colors,
icon: Icons.person_outline,
activeIcon: Icons.person,
isActive: provider.bottomNavIndex == 2,
onTap: () => provider.setBottomNavIndex(2),
),
],
),
),
_buildDock(context, provider: provider),
SizedBox(height: bottomPadding + 8),
],
),
@@ -71,6 +28,71 @@ class CustomBottomNavBar extends StatelessWidget {
);
}
/// Dock 悬浮导航条；毛玻璃模式下加真实模糊，保证可读
Widget _buildDock(BuildContext context, {required AppProvider provider}) {
final colors = Theme.of(context).colorScheme;
final isDark = Theme.of(context).brightness == Brightness.dark;
final isFrosted = provider.frostedActive;
final dock = Container(
height: 56,
decoration: BoxDecoration(
color: colors.surface,
borderRadius: BorderRadius.circular(28),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: isDark ? 0.3 : 0.08),
blurRadius: 20,
offset: const Offset(0, 4),
spreadRadius: 0,
),
BoxShadow(
color: Colors.black.withValues(alpha: isDark ? 0.15 : 0.04),
blurRadius: 8,
offset: const Offset(0, 2),
spreadRadius: -2,
),
],
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
_buildNavItem(
colors: colors,
icon: Icons.home_outlined,
activeIcon: Icons.home,
isActive: provider.bottomNavIndex == 0,
onTap: () => provider.setBottomNavIndex(0),
),
_buildAddButton(context, provider),
_buildNavItem(
colors: colors,
icon: Icons.person_outline,
activeIcon: Icons.person,
isActive: provider.bottomNavIndex == 2,
onTap: () => provider.setBottomNavIndex(2),
),
],
),
);
// 毛玻璃模式下：裁剪 + 模糊区域与胶囊同宽（外围留白），避免整行全宽模糊
Widget result = dock;
if (isFrosted) {
result = ClipRRect(
borderRadius: BorderRadius.circular(28),
child: BackdropFilter(
filter: ui.ImageFilter.blur(sigmaX: 25, sigmaY: 25),
child: dock,
),
);
}
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 40),
child: result,
);
}
Widget _buildNavItem({
required ColorScheme colors,
required IconData icon,
@@ -116,4 +138,4 @@ class CustomBottomNavBar extends StatelessWidget {
),
);
}
}
}