From 4592b5dfbad9a8c15ddd533c5c0e61d568b4c564 Mon Sep 17 00:00:00 2001
From: Zhou Weidong <502333560@qq.com>
Date: Thu, 22 Oct 2026 19:29:12 +0800
Subject: [PATCH] =?UTF-8?q?feat(home):=20=E9=A6=96=E9=A1=B5=E5=9B=BE?=
 =?UTF-8?q?=E6=A0=87=E5=8C=BA=E5=88=86=E5=AE=9E=E5=BF=83=E9=80=89=E4=B8=AD?=
 =?UTF-8?q?=E6=80=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 assets/icon/film_reel_filled.png     | Bin 0 -> 2624 bytes
 docs/plans/PROGRESS.md               |   6 ++++++
 lib/core/widgets/app_bottom_nav.dart |  11 ++++++++---
 lib/core/widgets/app_root_tab.dart   |   9 +++++++--
 test/home/app_bottom_nav_test.dart   |  18 ++++++++++++------
 test/home/home_nav_ui_test.dart      |  12 +++++++++++-
 6 files changed, 44 insertions(+), 12 deletions(-)
 create mode 100644 assets/icon/film_reel_filled.png

diff --git a/assets/icon/film_reel_filled.png b/assets/icon/film_reel_filled.png
new file mode 100644
index 0000000000000000000000000000000000000000..719167143c6be7bf7fb64d3398fe8c8067d0ae14
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diff --git a/docs/plans/PROGRESS.md b/docs/plans/PROGRESS.md
index cc142c9..14b684c 100644
--- a/docs/plans/PROGRESS.md
+++ b/docs/plans/PROGRESS.md
@@ -1156,3 +1156,9 @@ $ flutter test
 - `AppRootTab` 新增可选 `assetPath`，首页使用 `assets/icon/film_reel.png`。
 - 共享导航通过 `ColorFiltered + Image.asset` 按选中态着色，尺寸保持 26，缺图回退胶片 Material 图标。
 - 推荐、追剧、我的图标不变；素材与测试断言同步，按当前流程未执行 analyze/test。
+
+## 2026-10-22 首页选中态实心摄影机
+
+- `AppRootTab` 新增 `selectedAssetPath`，首页选中使用 `film_reel_filled.png`，未选中使用描边版。
+- 共享导航保持 `ColorFiltered(srcIn)` 与 26×26，缺图按选中态回退实心/描边胶片图标。
+- 推荐、追剧、我的不变；测试断言同步，按当前流程未执行 analyze/test。
diff --git a/lib/core/widgets/app_bottom_nav.dart b/lib/core/widgets/app_bottom_nav.dart
index f9a4ec0..fed7576 100644
--- a/lib/core/widgets/app_bottom_nav.dart
+++ b/lib/core/widgets/app_bottom_nav.dart
@@ -15,12 +15,14 @@ class AppBottomNavItem {
     required this.onTap,
     this.selected = false,
     this.assetPath,
+    this.selectedAssetPath,
   });
 
   final Key tabKey;
   final IconData icon;
   final IconData selectedIcon;
   final String? assetPath;
+  final String? selectedAssetPath;
   final String label;
   final VoidCallback onTap;
   final bool selected;
@@ -66,6 +68,9 @@ class _NavDestination extends StatelessWidget {
   Widget build(BuildContext context) {
     final color = item.selected ? AppColors.navSelected : unselectedColor;
     final fallbackIcon = item.selected ? item.selectedIcon : item.icon;
+    final assetPath = item.selected
+        ? item.selectedAssetPath ?? item.assetPath
+        : item.assetPath;
     return Expanded(
       child: Semantics(
         button: true,
@@ -83,7 +88,7 @@ class _NavDestination extends StatelessWidget {
                   duration: const Duration(milliseconds: 160),
                   curve: Curves.easeOut,
                   scale: item.selected ? 1 : 0.96,
-                  child: item.assetPath == null
+                  child: assetPath == null
                       ? Icon(
                           fallbackIcon,
                           size: AppDimens.navIcon,
@@ -92,12 +97,12 @@ class _NavDestination extends StatelessWidget {
                       : ColorFiltered(
                           colorFilter: ColorFilter.mode(color, BlendMode.srcIn),
                           child: Image.asset(
-                            item.assetPath!,
+                            assetPath,
                             width: AppDimens.navIcon,
                             height: AppDimens.navIcon,
                             fit: BoxFit.contain,
                             errorBuilder: (_, _, _) => Icon(
-                              item.icon,
+                              fallbackIcon,
                               size: AppDimens.navIcon,
                               color: color,
                             ),
diff --git a/lib/core/widgets/app_root_tab.dart b/lib/core/widgets/app_root_tab.dart
index c0e9d2d..c9f0c96 100644
--- a/lib/core/widgets/app_root_tab.dart
+++ b/lib/core/widgets/app_root_tab.dart
@@ -7,14 +7,18 @@ import 'app_bottom_nav.dart';
 
 /// 客户端根导航的固定顺序。
 enum AppRootTab {
-  home(assetPath: 'assets/icon/film_reel.png'),
+  home(
+    assetPath: 'assets/icon/film_reel.png',
+    selectedAssetPath: 'assets/icon/film_reel_filled.png',
+  ),
   recommend(),
   following(),
   mine();
 
-  const AppRootTab({this.assetPath});
+  const AppRootTab({this.assetPath, this.selectedAssetPath});
 
   final String? assetPath;
+  final String? selectedAssetPath;
 }
 
 extension AppRootTabUi on AppRootTab {
@@ -72,6 +76,7 @@ class AppRootBottomNav extends StatelessWidget {
             icon: tab.icon,
             selectedIcon: tab.selectedIcon,
             assetPath: tab.assetPath,
+            selectedAssetPath: tab.selectedAssetPath,
             label: tab.label(l10n),
             selected: tab == selected,
             onTap: () => onSelected(tab),
diff --git a/test/home/app_bottom_nav_test.dart b/test/home/app_bottom_nav_test.dart
index 37a44be..289d568 100644
--- a/test/home/app_bottom_nav_test.dart
+++ b/test/home/app_bottom_nav_test.dart
@@ -181,8 +181,8 @@ void main() {
   });
 
   testWidgets('should_fallback_when_asset_icon_is_missing', (tester) async {
-    await tester.pumpWidget(
-      MaterialApp(
+    Widget navigation({required bool selected}) {
+      return MaterialApp(
         home: Scaffold(
           bottomNavigationBar: AppBottomNav(
             items: [
@@ -191,17 +191,23 @@ void main() {
                 icon: Icons.theaters_outlined,
                 selectedIcon: Icons.theaters,
                 assetPath: 'assets/icon/missing_film_reel.png',
+                selectedAssetPath: 'assets/icon/missing_film_reel_filled.png',
                 label: 'Home',
-                selected: true,
+                selected: selected,
                 onTap: () {},
               ),
             ],
           ),
         ),
-      ),
-    );
-    await tester.pumpAndSettle();
+      );
+    }
 
+    await tester.pumpWidget(navigation(selected: true));
+    await tester.pumpAndSettle();
+    expect(find.byIcon(Icons.theaters), findsOneWidget);
+
+    await tester.pumpWidget(navigation(selected: false));
+    await tester.pumpAndSettle();
     expect(find.byIcon(Icons.theaters_outlined), findsOneWidget);
   });
 }
diff --git a/test/home/home_nav_ui_test.dart b/test/home/home_nav_ui_test.dart
index 1214bb8..354fc46 100644
--- a/test/home/home_nav_ui_test.dart
+++ b/test/home/home_nav_ui_test.dart
@@ -235,7 +235,7 @@ void main() {
     );
     expect(
       (selectedHomeImage.image as AssetImage).assetName,
-      'assets/icon/film_reel.png',
+      'assets/icon/film_reel_filled.png',
     );
     expect(
       Size(selectedHomeImage.width!, selectedHomeImage.height!),
@@ -300,6 +300,16 @@ void main() {
           .colorFilter,
       const ColorFilter.mode(AppColors.navUnselected, BlendMode.srcIn),
     );
+    final unselectedHomeImage = tester.widget<Image>(
+      find.descendant(
+        of: find.byKey(const Key('tab-home')),
+        matching: find.byType(Image),
+      ),
+    );
+    expect(
+      (unselectedHomeImage.image as AssetImage).assetName,
+      'assets/icon/film_reel.png',
+    );
   });
 
   testWidgets('should_map_four_tabs_to_home_recommend_following_and_me', (