Class TreeViewAdapter

Represents a class to create a view for TreeViewItem.

Inheritance

System.Object

TreeViewAdapter

Namespace: Syncfusion.Android.TreeView

Assembly: Syncfusion.SfTreeView.Android.dll

Syntax

public class TreeViewAdapter : RecyclerView.Adapter

Constructors

TreeViewAdapter()

Initializes a new instance of the TreeViewAdapter class.

Declaration

public TreeViewAdapter()

Properties

ItemCount

Gets the items count of the TreeViewAdapter.

Declaration

public override int ItemCount { get; }

Property Value

Type
System.Int32

TreeView

Gets the SfTreeView.

Declaration

public SfTreeView TreeView { get; }

Property Value

Type
SfTreeView

Methods

CreateContentView(TreeViewItemInfoBase)

Gets the Content View in the TreeViewItem.

Declaration

protected virtual View CreateContentView(TreeViewItemInfoBase itemInfo)

Parameters

Type	Name	Description
TreeViewItemInfoBase	itemInfo	Represents the TreeViewItemInfoBase.

Returns

Type	Description
Android.Views.View	Returns the content view.

Remarks

By default, a label is loaded in the content view.

CreateExpanderView(TreeViewItemInfoBase)

Gets the Expander View in the TreeViewItem.

Declaration

protected virtual View CreateExpanderView(TreeViewItemInfoBase itemInfo)

Parameters

Type	Name	Description
TreeViewItemInfoBase	itemInfo	Represents the TreeViewItemInfoBase.

Returns

Type	Description
Android.Views.View	Returns the expander view.

Remarks

By default, the expandable icon is loaded in the expander view.

Dispose(Boolean)

Dispose all the allocated resources.

Declaration

protected override void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing	Represents the boolean value to dispose the resources.

OnBindViewHolder(RecyclerView.ViewHolder, Int32)

Updates the AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder contents with the item at the given position .

Declaration

public override void OnBindViewHolder(RecyclerView.ViewHolder itemView, int position)

Parameters

Type	Name	Description
AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder	itemView	It represents the AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder of the item.
System.Int32	position	It represents the position of the holder.

OnCreateViewHolder(ViewGroup, Int32)

Creates a new AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder to represent the TreeViewItem.

Declaration

public override RecyclerView.ViewHolder OnCreateViewHolder(ViewGroup treeViewItem, int viewType)

Parameters

Type	Name	Description
Android.Views.ViewGroup	treeViewItem	Represents the Syncfusion.Android.TreeView.TreeViewItemInfoBase.ViewHolder.
System.Int32	viewType	Represents the view type of the item.

Returns

Type	Description
AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder	Returns the AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder.

UpdateContentView(View, TreeViewItemInfoBase)

Updates the data associated to the Content View based on the specified TreeViewNode.

Declaration

protected virtual void UpdateContentView(View view, TreeViewItemInfoBase itemInfo)

Parameters

Type	Name	Description
Android.Views.View	view	Represents the content view.
TreeViewItemInfoBase	itemInfo	Represents the TreeViewItemInfoBase.

UpdateExpanderView(View, TreeViewItemInfoBase)

Updates the data associated to the Expanded View based on the specified TreeViewNode.

Declaration

protected virtual void UpdateExpanderView(View view, TreeViewItemInfoBase itemInfo)

Parameters

Type	Name	Description
Android.Views.View	view	Represents the expander view.
TreeViewItemInfoBase	itemInfo	Represents the TreeViewItemInfoBase.