Use an opaque background for the search bar in legacy SearchDialog.

    android:layout_height="wrap_content"

    android:orientation="horizontal"

    android:focusable="true"

    android:background="?attr/actionModeBackground"

    android:background="@drawable/cab_background_opaque_holo_light"

    android:descendantFocusability="afterDescendants">

    <RelativeLayout