opt: expand ctr

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/video/detail/introduction/controller.dart

@@ -3,6 +3,7 @@ import 'dart:math';
 
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/utils/utils.dart';
+import 'package:expandable/expandable.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
@@ -79,6 +80,8 @@ class VideoIntroController extends GetxController
   Rx<Map<String, dynamic>> queryVideoIntroData =
       Rx<Map<String, dynamic>>({"status": true});
 
+  ExpandableController? expandableCtr;
+
   @override
   void onInit() {
     super.onInit();
@@ -609,6 +612,8 @@ class VideoIntroController extends GetxController
   @override
   void onClose() {
     canelTimer();
+    expandableCtr?.dispose();
+    expandableCtr = null;
     super.onClose();
   }
 

lib/pages/video/detail/introduction/view.dart

@@ -73,12 +73,6 @@ class _VideoIntroPanelState extends State<VideoIntroPanel>
     });
   }
 
-  @override
-  void dispose() {
-    videoIntroController.onClose();
-    super.dispose();
-  }
-
   @override
   Widget build(BuildContext context) {
     super.build(context);
@@ -158,7 +152,6 @@ class _VideoInfoState extends State<VideoInfo> with TickerProviderStateMixin {
 
   late final _coinKey = GlobalKey<ActionItemState>();
   late final _favKey = GlobalKey<ActionItemState>();
-  late final ExpandableController _expandableCtr;
 
   @override
   void initState() {
@@ -171,26 +164,22 @@ class _VideoInfoState extends State<VideoInfo> with TickerProviderStateMixin {
     loadingStatus = widget.loadingStatus;
     enableAi = setting.get(SettingBoxKey.enableAi, defaultValue: true);
 
+    if (videoIntroController.expandableCtr == null) {
       bool alwaysExapndIntroPanel = GStorage.alwaysExapndIntroPanel;
 
-    _expandableCtr = ExpandableController(
+      videoIntroController.expandableCtr = ExpandableController(
         initialExpanded: alwaysExapndIntroPanel,
       );
 
       if (alwaysExapndIntroPanel.not && GStorage.exapndIntroPanelH) {
         WidgetsBinding.instance.addPostFrameCallback((_) {
           if (context.orientation == Orientation.landscape &&
-            _expandableCtr.expanded.not) {
+              videoIntroController.expandableCtr?.expanded == false) {
-          _expandableCtr.toggle();
+            videoIntroController.expandableCtr?.toggle();
           }
         });
       }
     }
-
-  @override
-  void dispose() {
-    _expandableCtr.dispose();
-    super.dispose();
   }
 
   void _showFavBottomSheet() => showModalBottomSheet(
@@ -249,7 +238,7 @@ class _VideoInfoState extends State<VideoInfo> with TickerProviderStateMixin {
     }
     feedBack();
     // widget.showIntroDetail();
-    _expandableCtr.toggle();
+    videoIntroController.expandableCtr?.toggle();
   }
 
   // 用户主页
@@ -412,7 +401,7 @@ class _VideoInfoState extends State<VideoInfo> with TickerProviderStateMixin {
                 behavior: HitTestBehavior.translucent,
                 onTap: showIntroDetail,
                 child: ExpandablePanel(
-                  controller: _expandableCtr,
+                  controller: videoIntroController.expandableCtr,
                   collapsed: GestureDetector(
                     onLongPress: () {
                       feedBack();
@@ -540,7 +529,7 @@ class _VideoInfoState extends State<VideoInfo> with TickerProviderStateMixin {
                 behavior: HitTestBehavior.translucent,
                 onTap: showIntroDetail,
                 child: ExpandablePanel(
-                  controller: _expandableCtr,
+                  controller: videoIntroController.expandableCtr,
                   collapsed: const SizedBox.shrink(),
                   expanded: Column(
                     mainAxisSize: MainAxisSize.min,