在Xamarin窗体中显示特定索引处的不同单元格

<ListView x:Name="myListView">
    <ListView.ItemTemplate>
        <DataTemplate>
            <ViewCell>
                <StackLayout>
                    <Label Text="{Binding Name}" />
                    <Label Text="{Binding Age}" />
                </StackLayout>
            </ViewCell>
        </DataTemplate>
    </ListView.ItemTemplate>
</ListView>

public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
}

public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();

        List<Person> people = new List<Person>
        {
            new Person { Name = "John", Age = 25 },
            new Person { Name = "Jane", Age = 30 },
            new Person { Name = "Bob", Age = 35 }
        };

        myListView.ItemsSource = people;
    }
}

public class IndexToTemplateConverter : IValueConverter
{
    public DataTemplate EvenTemplate { get; set; }
    public DataTemplate OddTemplate { get; set; }

    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        int index = (int)value;
        return index % 2 == 0 ? EvenTemplate : OddTemplate;
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}

<ContentPage.Resources>
    <DataTemplate x:Key="evenTemplate">
        <ViewCell>
            <StackLayout BackgroundColor="LightGray">
                <Label Text="{Binding Name}" />
                <Label Text="{Binding Age}" />
            </StackLayout>
        </ViewCell>
    </DataTemplate>
    <DataTemplate x:Key="oddTemplate">
        <ViewCell>
            <StackLayout BackgroundColor="White">
                <Label Text="{Binding Name}" />
                <Label Text="{Binding Age}" />
            </StackLayout>
        </ViewCell>
    </DataTemplate>
    <local:IndexToTemplateConverter x:Key="indexToTemplateConverter"
                                    EvenTemplate="{StaticResource evenTemplate}"
                                    OddTemplate="{StaticResource oddTemplate}" />
</ContentPage.Resources>

<ListView x:Name="myListView"
          ItemTemplate="{Binding Source={StaticResource indexToTemplateConverter},
                                Converter={StaticResource indexToTemplateConverter}}">
</ListView>