<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/widget_background"
    android:orientation="horizontal"
    android:layout_width="match_parent"
    android:layout_height="56dp"
    android:background="@color/initial_background"
    >
    <include layout="@layout/searchbox"/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/widget_background"
    android:orientation="horizontal"
    android:layout_width="match_parent"
    android:layout_height="56dp"
    android:background="@color/transparent"
    >
    <include layout="@layout/searchbox"/>
</LinearLayout>
Modify initial color to transparent.
Modify initial color to transparent.
