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ListView for Xamarin.iOS: Selection

TKListView supports different selection modes:

  • Single selection
  • Multiple selection

The end-user can use different gestures to trigger cell selection:

  • Selection on press.
  • Selection on hold (long press).

Additionaly, TKListView provides a few methods to programmatically control the selection state as well as delegate methods to react to user interactions related to selection.

This article describes the selection API of TKListView in detail.

The AllowsMultipleSelection property of TKListView defines whether the user is allowed to select multiple items at the same time. It also affects the default appearance of the selected items.

Single seletion mode

The default value of the AllowsMultipleSelection property is false

Multiple selection mode

Set the allowsMultipleSelection property to true to enable this view:

this.listView.AllowsMultipleSelection = true;

Selection behavior

The selectionBehavior property determines on what type of interaction cells get selected. It's values are By default TKListView will allow user to select on press.

this.listView.SelectionBehavior = TKListViewSelectionBehavior.Press;

Selection on hold (long press)

In this mode a long-press gesture is required in order to select a cell.

this.listView.SelectionBehavior = TKListViewSelectionBehavior.LongPress;

Disable selection

In order to disable the selection, you need to set the SelectionBehavior property to TKListViewSelectionBehavior.None:

this.listView.SelectionBehavior = TKListViewSelectionBehavior.None;

Programatically selecting and deselecting items

Cells can be selected programatically as well.

NSIndexPath indexPath = NSIndexPath.FromRowSection (1, 0);
this.listView.SelectItem (indexPath, false, UICollectionViewScrollPosition.None);

To deselected a cell programatically, you should call the DeselectItem method giving the indexPath of the cell.

TKListViewDelegate methods

The TKListViewDelegate protocol provides a few handy delegate methods to be used to control and respond to selection events triggered by user. In order to take advantage of these methods, you should set the delegate proeprty of TKListView to a class adopting the TKListViewDelegate protocol. For example:

this.listViewDelegate = new ListViewDelegate(this);

Bellow you can find some details on how you can use the delegate methods from TKListViewDelegate.

Responding to user triggered cell selection / deselection

If you need to perform a specific action after the user selects or deselects a cell, you can use the following methods from the TKListViewDelegate protocol:

public override void DidSelectItemAtIndexPath (TKListView listView, NSIndexPath indexPath)
    this.owner.label.Text = string.Format("Selected: {0}", this.owner.dataSource.Items[indexPath.Row]);
    Console.WriteLine ("Did select item at row {0}", this.owner.dataSource.Items [indexPath.Row]);
    TKListViewCell cell = listView.CellForItem (indexPath);
    if (cell != null) {
        cell.SelectedBackgroundView.Hidden = false;

public override void DidDeselectItemAtIndexPath (TKListView listView, NSIndexPath indexPath)
    Console.WriteLine("Did deselect item at row {0}", this.owner.dataSource.Items[indexPath.Row]);

ListView Selection example can be found in our Native Xamarin.iOS examples.

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