How to achieve the alternate row styling in SfListView?

<ContentPage xmlns:listView="clr-namespace:Syncfusion.ListView.XForms;assembly=Syncfusion.SfListView.XForms">
  <ContentPage.Resources>
    <ResourceDictionary>
      <local:IndexToColorConverter x:Key="IndexToColorConverter"/>
    </ResourceDictionary>
  </ContentPage.Resources>
  <ContentPage.Content>
    <listView:SfListView x:Name="listView" 
                                    ItemsSource="{Binding Items}"
                                    ItemSize="50">
      <listView:SfListView.ItemTemplate>
        <DataTemplate>
          <Grid Padding="10,0,0,0" 
                BackgroundColor="{Binding .,Converter={StaticResource IndexToColorConverter},ConverterParameter={x:Reference Name=listView}}">
            <Grid.RowDefinitions>
              <RowDefinition Height="*" />
              <RowDefinition Height="*" />
            </Grid.RowDefinitions>
            <Label Text="{Binding ContactName}" />
            <Label Grid.Row="1" Text="{Binding ContactNumber}" />
          </Grid>
        </DataTemplate>
      </listView:SfListView.ItemTemplate>
    </listView:SfListView>
  </ContentPage.Content>
</ContentPage>

public class IndexToColorConverter : IValueConverter
{
     public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
     {
         var listview = parameter as SfListView;
         var index = listview.DataSource.DisplayItems.IndexOf(value);
 
         if (index % 2 == 0)
            return Color. LightGray;
         return Color. Aquamarine;
     }
     
     public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
     {   
     }
}