From a6fda8669c2942713d111ed142c6d55c65cf63a1 Mon Sep 17 00:00:00 2001
From: niuhuan <niuhuancn@outlook.com>
Date: Thu, 2 Dec 2021 09:22:04 +0800
Subject: [PATCH] fix always listen volume key

---
 lib/screens/ComicReaderScreen.dart      |  2 --
 lib/screens/DownloadReaderScreen.dart   |  2 --
 lib/screens/components/ImageReader.dart | 11 +++++++++++
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/lib/screens/ComicReaderScreen.dart b/lib/screens/ComicReaderScreen.dart
index cb40321..2233abc 100644
--- a/lib/screens/ComicReaderScreen.dart
+++ b/lib/screens/ComicReaderScreen.dart
@@ -134,7 +134,6 @@ class _ComicReaderScreenState extends State<ComicReaderScreen> {
     });
     // INIT
     _future = _load();
-    addVolumeListen();
     super.initState();
   }
 
@@ -143,7 +142,6 @@ class _ComicReaderScreenState extends State<ComicReaderScreen> {
     if (!_replacement) {
       switchFullScreenUI();
     }
-    delVolumeListen();
     super.dispose();
   }
 
diff --git a/lib/screens/DownloadReaderScreen.dart b/lib/screens/DownloadReaderScreen.dart
index 2aea438..7362b3c 100644
--- a/lib/screens/DownloadReaderScreen.dart
+++ b/lib/screens/DownloadReaderScreen.dart
@@ -127,7 +127,6 @@ class _DownloadReaderScreenState extends State<DownloadReaderScreen> {
     });
     // INIT
     _future = _load();
-    addVolumeListen();
     super.initState();
   }
 
@@ -136,7 +135,6 @@ class _DownloadReaderScreenState extends State<DownloadReaderScreen> {
     if (!_replacement) {
       switchFullScreenUI();
     }
-    delVolumeListen();
     super.dispose();
   }
 
diff --git a/lib/screens/components/ImageReader.dart b/lib/screens/components/ImageReader.dart
index 87a6e53..51ffc09 100644
--- a/lib/screens/components/ImageReader.dart
+++ b/lib/screens/components/ImageReader.dart
@@ -16,6 +16,7 @@ import 'package:pikapika/basic/config/KeyboardController.dart';
 import 'package:pikapika/basic/config/NoAnimation.dart';
 import 'package:pikapika/basic/config/ReaderDirection.dart';
 import 'package:pikapika/basic/config/ReaderType.dart';
+import 'package:pikapika/basic/config/VolumeController.dart';
 import 'package:pikapika/basic/const.dart';
 import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
 import '../FilePhotoViewScreen.dart';
@@ -167,16 +168,25 @@ abstract class _ImageReaderState extends State<ImageReader> {
   // 键盘, 音量键 等事件
   void _needJumpTo(int index, bool animation);
 
+  late bool _listVolume;
+
   @override
   void initState() {
     _initCurrent();
     _readerControllerEvent.subscribe(_onPageControl);
+    _listVolume = volumeController;
+    if (_listVolume) {
+      addVolumeListen();
+    }
     super.initState();
   }
 
   @override
   void dispose() {
     _readerControllerEvent.unsubscribe(_onPageControl);
+    if (_listVolume) {
+      delVolumeListen();
+    }
     super.dispose();
   }
 
@@ -790,6 +800,7 @@ class _GalleryReaderState extends _ImageReaderState {
   @override
   void initState() {
     super.initState();
+    // 需要先初始化 super._startIndex 才能使用, 所以在上面
     _pageController = PageController(initialPage: super._startIndex);
   }