Navigation Bar on Android of Xamarin.Forms to be solid color

gistfile1.xml

<?xml version="1.0" encoding="UTF-8" ?>
<resources>
    <style name="KitKatTheme" parent="android:Theme.Holo.Light">
        <item name="android:windowBackground">@color/green</item> <!--This works as background color on Android-->
        <item name="android:actionBarStyle">@style/ActionBar.Solid.KitKat</item>
    </style>

    <!--<style name="ActionBar.Solid.KitKat" parent="@android:style/Widget.Holo.Light.ActionBar.Solid">-->
    <!--    <item name="android:background">@color/xamarinblue</item>-->
    <!--</style>-->
</resources>