1

app/lib/screens/feed/feed_screen.dart

@@ -57,13 +57,16 @@ class _FeedScreenState extends ConsumerState<FeedScreen>
     super.dispose();
   }
 
-  /// App 退后台挂起、回前台恢复播放（suspend/resume 防在途 open 竞态）
+  /// App 退后台挂起、回前台从断点续播。inactive（下拉通知栏等瞬时态）
+  /// 只轻量 pause 当前槽防出声；paused（真退后台）才走 suspend(stop)
+  /// 彻底断下载——避免瞬时 inactive 触发 stop+重载的画面闪烁
   @override
   void didChangeAppLifecycleState(AppLifecycleState state) {
     final notifier = ref.read(feedProvider(_strategy).notifier);
-    if (state == AppLifecycleState.paused ||
-        state == AppLifecycleState.inactive) {
+    if (state == AppLifecycleState.paused) {
       notifier.pool.suspend();
+    } else if (state == AppLifecycleState.inactive) {
+      notifier.pool.pauseCurrent();
     } else if (state == AppLifecycleState.resumed) {
       // 仅在首页 Tab 可见时恢复（在"我的"等页面回前台不播）
       if (ref.read(feedTabVisibleProvider)) {
@@ -99,11 +102,15 @@ class _FeedScreenState extends ConsumerState<FeedScreen>
         .events
         .listen(_handleEvent);
     _pageController.jumpToPage(0);
-    // jumpToPage 触发新策略 bindWindow 后再 resume：等其在途 open 完成再播放，
-    // 同时解除新策略池可能残留的挂起态
+    // jumpToPage 后 resume + rebindCurrent：suspend 已 stop 槽位，仅 play
+    // 播不起来，必须 rebind 重新 open（有断点记录则 seek 续播）
     WidgetsBinding.instance.addPostFrameCallback((_) {
       if (mounted) {
-        unawaited(ref.read(feedProvider(_strategy).notifier).pool.resume());
+        unawaited(() async {
+          final n = ref.read(feedProvider(_strategy).notifier);
+          await n.pool.resume();
+          await n.rebindCurrent();
+        }());
       }
     });
   }

app/lib/screens/feed/widgets/feed_video_page.dart

@@ -48,6 +48,10 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
   int _likeBurstTrigger = 0;
   Map<String, dynamic>? _seriesData;
 
+  /// 清屏模式：隐藏右侧互动栏与底部信息区，只留画面和进度条。
+  /// 单击屏幕仍是暂停/继续；恢复显示只能通过长按菜单的「恢复清屏」
+  bool _cleanMode = false;
+
   static const _rates = [1.0, 1.5, 2.0, 3.0];
 
   @override
@@ -174,6 +178,25 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
               },
             ),
 
+            // 清屏 / 恢复清屏：隐藏右侧互动栏与底部信息，只留进度条。
+            // 恢复只能从长按菜单进入，避免单击误触把界面弹回来
+            ListTile(
+              contentPadding: EdgeInsets.zero,
+              leading: Icon(_cleanMode
+                  ? Icons.fullscreen
+                  : Icons.fullscreen_exit),
+              title: Text(_cleanMode ? '恢复清屏' : '清屏'),
+              subtitle: Text(_cleanMode
+                  ? '重新显示点赞、评论、收藏、作者与标题'
+                  : '隐藏点赞、评论、收藏、作者与标题'),
+              onTap: () {
+                Navigator.of(sheetContext).pop();
+                setState(() => _cleanMode = !_cleanMode);
+                showTopToast(
+                    context, _cleanMode ? '已清屏，长按视频可恢复' : '已恢复显示');
+              },
+            ),
+
             // 下载（已下载/下载中置灰）
             Builder(builder: (_) {
               final dm = ref.read(downloadManagerProvider);
@@ -341,6 +364,7 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
   Widget build(BuildContext context) {
     return GestureDetector(
       behavior: HitTestBehavior.opaque,
+      // 单击始终暂停/继续（清屏态也一样），恢复清屏需走长按菜单
       onTap: widget.pool.toggleCurrent,
       onDoubleTap: _onDoubleTap,
       onLongPress: _onLongPress,
@@ -349,23 +373,27 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
         child: Stack(
           fit: StackFit.expand,
           children: [
-            // 底部渐变（提升文字可读性）
-            const Positioned(
+            // 底部渐变（提升文字可读性）：清屏时一并淡出
+            Positioned(
               left: 0, right: 0, bottom: 0, height: 160,
               child: IgnorePointer(
-                child: DecoratedBox(
-                  decoration: BoxDecoration(
-                    gradient: LinearGradient(
-                      begin: Alignment.topCenter,
-                      end: Alignment.bottomCenter,
-                      colors: [Colors.transparent, Colors.black54],
+                child: AnimatedOpacity(
+                  opacity: _cleanMode ? 0 : 1,
+                  duration: const Duration(milliseconds: 200),
+                  child: const DecoratedBox(
+                    decoration: BoxDecoration(
+                      gradient: LinearGradient(
+                        begin: Alignment.topCenter,
+                        end: Alignment.bottomCenter,
+                        colors: [Colors.transparent, Colors.black54],
+                      ),
                     ),
                   ),
                 ),
               ),
             ),
 
-            // 播放器（含抖音风格细进度条）
+            // 播放器（含抖音风格细进度条）——清屏时仍保留
             VideoPlayerView(
               pool: widget.pool,
               slotIndex: widget.slotIndex,
@@ -380,54 +408,60 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
             // 右侧互动栏（头像/点赞/评论/收藏 — 分享已移至长按菜单）
             Positioned(
               right: 8, bottom: 96,
-              child: InteractionBar(
-                item: widget.item,
-                onLike: widget.onLike,
-                onFavorite: widget.onFavorite,
-                onComment: widget.onComment,
+              child: _HidableOverlay(
+                hidden: _cleanMode,
+                child: InteractionBar(
+                  item: widget.item,
+                  onLike: widget.onLike,
+                  onFavorite: widget.onFavorite,
+                  onComment: widget.onComment,
+                ),
               ),
             ),
 
             // 左下信息区 + 系列标题（系列标题在信息区上方，不重叠）
             Positioned(
               left: 12, right: 88, bottom: 24,
-              child: Column(
-                crossAxisAlignment: CrossAxisAlignment.start,
-                mainAxisSize: MainAxisSize.min,
-                children: [
-                  // 系列标题（当前视频属于系列时显示，点击弹出系列列表）
-                  if (_hasSeries)
-                    GestureDetector(
-                      onTap: _showSeriesSheet,
-                      child: Container(
-                        margin: const EdgeInsets.only(bottom: 8),
-                        padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
-                        decoration: BoxDecoration(
-                          color: Colors.black54,
-                          borderRadius: BorderRadius.circular(8),
-                        ),
-                        child: Row(
-                          mainAxisSize: MainAxisSize.min,
-                          children: [
-                            const Icon(Icons.playlist_play, color: Colors.white, size: 16),
-                            const SizedBox(width: 4),
-                            Text(
-                              _seriesTitle,
-                              style: const TextStyle(
-                                color: Colors.white,
-                                fontSize: 13,
-                                fontWeight: FontWeight.w600,
+              child: _HidableOverlay(
+                hidden: _cleanMode,
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    // 系列标题（当前视频属于系列时显示，点击弹出系列列表）
+                    if (_hasSeries)
+                      GestureDetector(
+                        onTap: _showSeriesSheet,
+                        child: Container(
+                          margin: const EdgeInsets.only(bottom: 8),
+                          padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
+                          decoration: BoxDecoration(
+                            color: Colors.black54,
+                            borderRadius: BorderRadius.circular(8),
+                          ),
+                          child: Row(
+                            mainAxisSize: MainAxisSize.min,
+                            children: [
+                              const Icon(Icons.playlist_play, color: Colors.white, size: 16),
+                              const SizedBox(width: 4),
+                              Text(
+                                _seriesTitle,
+                                style: const TextStyle(
+                                  color: Colors.white,
+                                  fontSize: 13,
+                                  fontWeight: FontWeight.w600,
+                                ),
                               ),
-                            ),
-                            const SizedBox(width: 2),
-                            const Icon(Icons.chevron_right, color: Colors.white, size: 14),
-                          ],
+                              const SizedBox(width: 2),
+                              const Icon(Icons.chevron_right, color: Colors.white, size: 14),
+                            ],
+                          ),
                         ),
                       ),
-                    ),
-                  // 视频信息（昵称/标题/描述）
-                  VideoInfoSection(item: widget.item),
-                ],
+                    // 视频信息（昵称/标题/描述）
+                    VideoInfoSection(item: widget.item),
+                  ],
+                ),
               ),
             ),
           ],
@@ -436,3 +470,24 @@ class _FeedVideoPageState extends ConsumerState<FeedVideoPage> {
     );
   }
 }
+
+/// 可隐藏浮层：淡出 + 禁用点击。隐藏时仍占位但不拦截手势，
+/// 保证点击/长按能穿透到下层的手势层
+class _HidableOverlay extends StatelessWidget {
+  const _HidableOverlay({required this.hidden, required this.child});
+
+  final bool hidden;
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) {
+    return IgnorePointer(
+      ignoring: hidden,
+      child: AnimatedOpacity(
+        opacity: hidden ? 0 : 1,
+        duration: const Duration(milliseconds: 200),
+        child: child,
+      ),
+    );
+  }
+}