82 消息背景透明色 1

tuiconversation/src/main/res/layout/conversation_null_layout.xml

@@ -2,7 +2,7 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@color/white"
+    android:background="@color/transparent"
     android:orientation="vertical"
     android:gravity="center" >
     <ImageView