Daark theme working.

androidApp/src/main/res/drawable/background_splash.xml

@@ -1,8 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item
-        android:drawable="@color/ic_launcher_background"/>
+    <item>
+        <shape android:shape="rectangle" >
+            <solid android:color="?attr/colorSurface" />
+        </shape>
+    </item>
 
     <item>
         <bitmap