Add ripple to navigation bar button

Change-Id: I3af5bf8e49f244987737be1df286dc52b61ff0f8

diff --git a/packages/SystemUI/res/layout/car_navigation_button.xml b/packages/SystemUI/res/layout/car_navigation_button.xml
index 87c8f04..479f18d 100644 (file)
--- a/packages/SystemUI/res/layout/car_navigation_button.xml
+++ b/packages/SystemUI/res/layout/car_navigation_button.xml
@@ -22,7 +22,7 @@
         android:layout_height="match_parent"
         android:layout_width="wrap_content"
         android:orientation="horizontal"
-        android:gravity="center">
+        android:background="?android:attr/selectableItemBackground">
     <com.android.keyguard.AlphaOptimizedImageButton
             android:id="@+id/car_nav_button_icon"
             android:layout_height="match_parent"