UI更新

callingbed/src/main/res/layout/sky_voice_call_layout.xml

@@ -3,7 +3,7 @@
     <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:background="@android:color/background_dark">
+        android:background="@color/gray_deep">
         <!--全屏视频画面-->
         <FrameLayout
             android:id="@+id/fullscreen_video_frame"