From a3b29d5414e4fb4244362d6e0fba6215c410e634 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9C=E8=99=9E=E6=B8=A0=E6=88=90=E2=80=9D?=
 <“yuqucheng2006@qq.com”>
Date: Thu, 23 Jul 2026 15:08:11 +0800
Subject: [PATCH] =?UTF-8?q?refactor(scanQRcode):=20=E8=B0=83=E6=95=B4?=
 =?UTF-8?q?=E9=A2=84=E8=A7=88=E7=BA=B9=E7=90=86=E7=9A=84=E5=A3=B0=E6=98=8E?=
 =?UTF-8?q?=E4=BD=8D=E7=BD=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

将预览纹理字段移到类成员顶部，统一管理资源清理逻辑，移除重复注释
---
 Assets/Scripts/UI/Pages/ConnectDevice/ScanQRcode.cs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/Assets/Scripts/UI/Pages/ConnectDevice/ScanQRcode.cs b/Assets/Scripts/UI/Pages/ConnectDevice/ScanQRcode.cs
index c1cb115..0416880 100644
--- a/Assets/Scripts/UI/Pages/ConnectDevice/ScanQRcode.cs
+++ b/Assets/Scripts/UI/Pages/ConnectDevice/ScanQRcode.cs
@@ -50,6 +50,9 @@ namespace Kill.UI.Pages
         // 扫描结果回调
         public event Action<string> OnQRCodeScanned;
 
+        // 预览纹理（所有平台共用清理逻辑）
+        private Texture2D previewTexture;
+
         void OnEnable()
         {
             StartScan();
@@ -99,7 +102,6 @@ namespace Kill.UI.Pages
                 webCamTexture = null;
             }
 
-            // 清理预览纹理
             if (previewTexture != null)
             {
                 Destroy(previewTexture);
@@ -151,7 +153,6 @@ namespace Kill.UI.Pages
         /// </summary>
         private IEnumerator InitializeCamera()
         {
-            // Android 使用 Permission API 请求权限
 #if UNITY_ANDROID && !UNITY_EDITOR
             if (!UnityEngine.Android.Permission.HasUserAuthorizedPermission(UnityEngine.Android.Permission.Camera))
             {
@@ -264,8 +265,6 @@ namespace Kill.UI.Pages
             previewRect.localEulerAngles = Vector3.zero;
         }
 
-        private Texture2D previewTexture;
-
         /// <summary>
         /// 从相机画面裁切并旋转，生成预览画面
         /// </summary>