Specify more appropriate value for directory header background.

    xmlns:android="http://schemas.android.com/apk/res/android"

    style="@style/DirectoryHeader"

    android:id="@+id/directory_header"

    android:background="?attr/list_item_background_color"

    android:background="?attr/contact_browser_background"

    android:paddingLeft="?attr/list_item_padding_left"

    android:paddingRight="?attr/list_item_padding_right"

    android:paddingStart="?attr/list_item_padding_left"