From 705745f7fdaf46e8a0c73845643bf64cfb141c14 Mon Sep 17 00:00:00 2001
From: Ming Ming <nkming2@gmail.com>
Date: Wed, 31 May 2023 00:48:58 +0800
Subject: [PATCH] Fix page viewer incorrectly disposed

---
 app/lib/widget/viewer.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/lib/widget/viewer.dart b/app/lib/widget/viewer.dart
index 5e0ccbfb..c857fe5e 100644
--- a/app/lib/widget/viewer.dart
+++ b/app/lib/widget/viewer.dart
@@ -150,6 +150,7 @@ class _ViewerState extends State<Viewer>
               child: CircularProgressIndicator(),
             ),
           HorizontalPageViewer(
+            key: _pageViewerKey,
             pageCount: _streamFilesView.length,
             pageBuilder: (context, i) =>
                 _buildPage(context, i, originalBrightness),
@@ -882,6 +883,8 @@ class _ViewerState extends State<Viewer>
   late List<FileDescriptor> _streamFilesView;
   bool _isStreamFilesCopy = false;
 
+  final _pageViewerKey = GlobalKey();
+
   static const _viewportFraction = 1.05;
 }