Class RadCollectionView

Represents the ultimate data visualization control for .NET MAUI applications, providing enterprise-grade performance and functionality for displaying and interacting with collections of data.

Inheritance

System.Object

RadLayout

RadCollectionView

Inherited Members

RadLayout.CreateLayoutManager()

Namespace: Telerik.Maui.Controls

Assembly: Telerik.Maui.Controls.dll

Syntax

public class RadCollectionView : RadLayout, ICollectionView, ISelector

Remarks

The RadCollectionView is engineered for performance and flexibility, featuring UI virtualization that enables smooth scrolling through thousands of items while maintaining optimal memory usage. Whether you're building consumer apps or enterprise solutions, this control adapts to your needs with extensive customization options.

Core Performance Features:

UI Virtualization: Renders only visible items for optimal performance with large datasets
Incremental Loading: Load-on-demand support for seamless data pagination
Smooth Scrolling: Hardware-accelerated scrolling with momentum and bounce effects
Memory Efficiency: Intelligent item recycling minimizes memory footprint

Data Management Excellence:

Advanced Grouping: Multi-level hierarchical grouping with customizable group headers and footers
Dynamic Filtering: Real-time data filtering with complex filter expressions
Multi-Column Sorting: Sort by multiple criteria with ascending/descending options
Live Data Updates: Automatic UI updates when bound collections change

Layout Flexibility:

Linear Layouts: Vertical and horizontal list arrangements with customizable spacing
Grid Layouts: Multi-column grids with automatic sizing and span support

User Interaction Features:

Flexible Selection: Single, multiple, or no selection with visual feedback
Drag and Drop: Intuitive item reordering and cross-collection transfers
Swipe Gestures: Swipe-to-action with customizable swipe content
Pull-to-Refresh: Native refresh gestures for data reloading
Touch and Keyboard Navigation: Accessibility with keyboard shortcuts and screen reader support

Visual Customization:

Rich Templating: Fully customizable item, header, footer, and empty state templates
Conditional Styling: Apply different styles based on data values or item states
Theme Integration: Seamless integration with application themes and design systems

Perfect for a wide range of scenarios including product catalogs, contact lists, image galleries, news feeds, file explorers, and any application requiring efficient display and manipulation of data collections. The control automatically adapts to different screen sizes and orientations, ensuring a consistent experience across phones, tablets, and desktop applications.

Examples

Simple data binding with custom item template:

<telerik:RadCollectionView ItemsSource="{Binding Products}">
    <telerik:RadCollectionView.ItemTemplate>
        <DataTemplate>
            <Grid Padding="10">
                <Label Text="{Binding Name}" FontSize="16" FontAttributes="Bold"/>
                <Label Text="{Binding Price, StringFormat='${0:F2}'}" Grid.Row="1"/>
            </Grid>
        </DataTemplate>
    </telerik:RadCollectionView.ItemTemplate>
</telerik:RadCollectionView>

Advanced grid layout with grouping and selection:

<telerik:RadCollectionView ItemsSource="{Binding PhotoCollection}"
                           SelectionMode="Multiple"
                           GroupDescriptors="{Binding GroupingDescriptors}">
    <telerik:RadCollectionView.LayoutDefinition>
        <telerik:CollectionViewGridLayout SpanCount="3" />
    </telerik:RadCollectionView.LayoutDefinition>
</telerik:RadCollectionView>

Load-on-demand with infinite scrolling:

<telerik:RadCollectionView ItemsSource="{Binding Items}"
                           IsLoadOnDemandEnabled="True"
                           LoadOnDemandCommand="{Binding LoadMoreCommand}">
    <telerik:RadCollectionView.LoadOnDemandTemplate>
        <DataTemplate>
            <ActivityIndicator IsRunning="True" />
        </DataTemplate>
    </telerik:RadCollectionView.LoadOnDemandTemplate>
</telerik:RadCollectionView>

Constructors

RadCollectionView()

Initializes a new instance of the RadCollectionView class with default settings. Creates an empty collection view ready to be configured with data source, layout, and templates.

Declaration

public RadCollectionView()

Fields

AutoExpandGroupsProperty

Identifies the AutoExpandGroups bindable property.