82 fix bugs,消息背景透明色，混淆mapping详细规则。

BaseModule/src/main/res/layout/item_like_user.xml

@@ -2,11 +2,7 @@
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
     android:layout_height="@dimen/dp_40"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:focusable="true"
-    android:focusableInTouchMode="true"
-    android:clickable="true"
-    android:descendantFocusability="blocksDescendants">
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <com.xscm.moduleutil.widget.CircularImage
         android:id="@+id/user_icon"

app/proguard-rules.pro

@@ -970,7 +970,10 @@ public static java.lang.String TABLENAME;
     *;
 }
 
-
+# 保留核心属性，确保mapping.txt记录完整
+-keepattributes SourceFile,LineNumberTable,InnerClasses,LocalVariableTable,LocalVariableTypeTable
+# 隐藏真实源文件名（可选，不影响还原，仅保护源码信息）
+-renamesourcefileattribute SourceFile
 # ========== 针对临时密钥 (SessionQCloudCredentials) 的增强规则 ==========
 # 1. 精确保护引发错误的类及其所有成员（字段、方法）
 #-keep class com.tencent.qcloud.core.auth.SessionQCloudCredentials {

tuiconversation/src/main/java/com/tencent/qcloud/tuikit/tuiconversation/classicui/widget/ConversationCommonHolder.java

@@ -171,7 +171,7 @@ public class ConversationCommonHolder extends ConversationBaseHolder {
             if (cellBackground != null) {
                 leftItemLayout.setBackground(cellBackground);
             } else {
-                leftItemLayout.setBackgroundColor(Color.WHITE);
+                leftItemLayout.setBackgroundColor(Color.TRANSPARENT);
             }
         }
         if (!TUIConversationConfigClassic.isShowCellUnreadCount()) {