added in version 27.1.0
belongs to Maven artifact com.android.support:leanback-v17:28.0.0-alpha1

Summary: Ctors | Methods | Inherited Methods | [Expand All]

GuidedActionDiffCallback

public class GuidedActionDiffCallback
extends DiffCallback<GuidedAction>

java.lang.Object
↳	android.support.v17.leanback.widget.DiffCallback<android.support.v17.leanback.widget.GuidedAction>
	↳	android.support.v17.leanback.widget.GuidedActionDiffCallback

DiffCallback used for GuidedActions, see setActionsDiffCallback(DiffCallback).

Summary

Public constructors
`GuidedActionDiffCallback()`

Public methods
`boolean`	`areContentsTheSame(GuidedAction oldItem, GuidedAction newItem)` Called to decide whether two items have the same data.
`boolean`	`areItemsTheSame(GuidedAction oldItem, GuidedAction newItem)` Called to decide whether two objects represent the same item.
`static GuidedActionDiffCallback`	`getInstance()` Returns the singleton GuidedActionDiffCallback.

From class


  
    android.support.v17.leanback.widget.DiffCallback

From class


  
    java.lang.Object

GuidedActionDiffCallback ()

boolean areContentsTheSame (GuidedAction oldItem, 
                GuidedAction newItem)

Called to decide whether two items have the same data. This information is used to detect if the contents of an item have changed.

Parameters
`oldItem`	`GuidedAction`: The item in the old list.
`newItem`	`GuidedAction`: The item in the new list.

Returns
`boolean`	True if the contents of the items are the same or false if they are different.

boolean areItemsTheSame (GuidedAction oldItem, 
                GuidedAction newItem)

Called to decide whether two objects represent the same item.

Parameters
`oldItem`	`GuidedAction`: The item in the old list.
`newItem`	`GuidedAction`: The item in the new list.

Returns
`boolean`	True if the two items represent the same object or false if they are different.

GuidedActionDiffCallback getInstance ()

Returns the singleton GuidedActionDiffCallback.

Returns
`GuidedActionDiffCallback`	The singleton GuidedActionDiffCallback.