SyncfusionExamples / Alternate-row-style-in-Xamarin.Forms-ListView

Example showcases how to apply alternate row style in Xamarin.Forms ListView to provide alternate row color.

How to style ListViewItem alternatively in Xamarin.Forms ListView

The SfListView allows applying alternate row styling for items by finding the index of the underlying object using IValueConverter.

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

To know more about ListViewItem appearance customization, you can refer our Ug documentation from here.