Merge "Update background color of main switch bar."
diff --git a/packages/SettingsLib/MainSwitchPreference/res/layout/main_switch_bar.xml b/packages/SettingsLib/MainSwitchPreference/res/layout/main_switch_bar.xml
index a9e9f8c..b1553e9 100644
--- a/packages/SettingsLib/MainSwitchPreference/res/layout/main_switch_bar.xml
+++ b/packages/SettingsLib/MainSwitchPreference/res/layout/main_switch_bar.xml
@@ -15,10 +15,10 @@
   limitations under the License.
   -->
 
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_height="wrap_content"
     android:layout_width="match_parent"
-    android:background="@android:color/transparent"
     android:orientation="vertical">
 
     <LinearLayout
@@ -26,7 +26,7 @@
         android:minHeight="@dimen/min_switch_bar_height"
         android:layout_height="wrap_content"
         android:layout_width="match_parent"
-        android:background="@android:color/transparent"
+        android:background="?android:attr/colorBackground"
         android:paddingLeft="@dimen/switchbar_margin_start"
         android:paddingRight="@dimen/switchbar_margin_end">
 
diff --git a/packages/SettingsLib/MainSwitchPreference/res/values/colors.xml b/packages/SettingsLib/MainSwitchPreference/res/values/colors.xml
index b401398..ac8ab14 100644
--- a/packages/SettingsLib/MainSwitchPreference/res/values/colors.xml
+++ b/packages/SettingsLib/MainSwitchPreference/res/values/colors.xml
@@ -17,7 +17,6 @@
 
 <resources>
 
-    <color name="background_color">@android:color/transparent</color>
     <color name="title_text_color">@*android:color/primary_text_light</color>
     <color name="thumb_off">#BFFFFFFF</color>
     <color name="track_on">@*android:color/accent_device_default_dark</color>