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How to share items source among Xamarin.Forms ListView with carousel page (SfListView)

Platform: Xamarin.Forms |
Control: SfListView |
Published Date: July 24, 2020 |
Last Revised Date: July 27, 2020

You can programmatically split the collections of items among Xamarin.Forms SfListView loaded in CarouselPage.


Define CarouselPage and load the ListViewPage to CarouselPage.ItemTemplate.

<CarouselPage xmlns="http://xamarin.com/schemas/2014/forms"


SfListView is defined in the ListViewPage with the binding value of (.)

<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
            <syncfusion:SfListView x:Name="listView" ItemSize="100" ItemsSource="{Binding .}">
                    <syncfusion:GridLayout SpanCount="3"/>
                <syncfusion:SfListView.ItemTemplate >
                        <Grid x:Name="grid">
                                <ColumnDefinition Width="0.3*" />
                                <ColumnDefinition Width="0.7*" />
                            <Image Source="{Binding ContactImage}" VerticalOptions="Center" HorizontalOptions="Center" HeightRequest="50" WidthRequest="50"/>
                            <Grid Grid.Column="1" RowSpacing="1" Padding="10,0,0,0" VerticalOptions="Center">
                                <Label LineBreakMode="NoWrap" TextColor="#474747" Text="{Binding ContactName}"/>
                                <Label Grid.Row="1" Grid.Column="0" TextColor="#474747" LineBreakMode="NoWrap" Text="{Binding ContactNumber}"/>


In the OnSizeAllocated override, send page height to the ViewModel class to determine the items count to split the ItemsSource for the CarouselPage.

public partial class ListViewCarousel : CarouselPage
    PagesViewModel pagesViewModel;
    public ListViewCarousel()
    protected override void OnSizeAllocated(double width, double height)
        if (height > 0 && BindingContext == null)
            pagesViewModel = new PagesViewModel(height);
            BindingContext = pagesViewModel;
            ItemsSource = pagesViewModel.CarouselPages;
        base.OnSizeAllocated(width, height);


In carousel PagesViewModel, ItemsPerPage count is determined by ItemSize and SpanCount which determines the number of pages based on the Items count. PagesViewModel defines the collection for each page and adds it to the collection that is bound to the SfListView.ItemsSource.

public class PagesViewModel
    public ObservableCollection<List<Contacts>> CarouselPages { get; set; }
    public PagesViewModel(double height)
        int j = 0;
        int itemsPerPage = (int)(height / 100) * 3;
        int temp = itemsPerPage;
        CarouselPages = new ObservableCollection<List<Contacts>>();
        var contactsviewmodel = new ContactsViewModel();
        var pageCount = Math.Ceiling((double)contactsviewmodel.ContactsInfo.Count / itemsPerPage);
        for (int i = 0; i < pageCount; i++)
            var source = contactsviewmodel.ContactsInfo.Skip(j).Take(temp);
            var items = source.AsEnumerable().ToList();
            j += itemsPerPage;


Demo image to split the ItemsSource for SfListView with CarouselPage.

View sample in GitHub

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