Adjust preview page footer height and font size.

    <RelativeLayout

        android:id="@+id/page_footer"

        android:layout_width="fill_parent"

        android:layout_height="?android:attr/listPreferredItemHeightSmall"

        android:layout_height="32dip"

        android:background="@*android:color/material_grey_500"

        android:orientation="horizontal">

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_centerInParent="true"

            android:textAppearance="?android:attr/textAppearanceMedium"

            android:textAppearance="?android:attr/textAppearanceSmall"

            android:textColor="?android:attr/textColorPrimary">

        </TextView>