Android Question Transparent Background

SetApplicationAttribute(android:theme, "@style/LightTheme")
CreateResource(values, theme.xml,
<resources>
    <style name="LightTheme" parent="@android:style/Theme.Material.Light.NoActionBar">
       <item name="android:actionMenuTextAppearance">@style/LowerCaseMenu</item>
       <item name="android:background">@android:color/transparent</item>
       <item name="android:windowBackground">@android:color/transparent</item>
       <item name="android:windowIsTranslucent">true</item>
    </style>
     <style name="LowerCaseMenu" parent="android:TextAppearance.Material.Widget.ActionBar.Menu">
        <item name="android:textAllCaps">false</item>
    </style>

</resources>
)