PreferenceComparisonCallback

Kotlin |Java

abstract class PreferenceComparisonCallback

kotlin.Any
↳	androidx.preference.PreferenceManager.PreferenceComparisonCallback

Known Direct Subclasses PreferenceManager.SimplePreferenceComparisonCallback PreferenceManager.SimplePreferenceComparisonCallback A basic implementation of PreferenceComparisonCallback suitable for use with the default Preference classes.

Callback class to be used by the androidx.recyclerview.widget.RecyclerView.Adapter associated with the PreferenceScreen, used to determine when two Preference objects are semantically and visually the same.

Summary

Public constructors
<init>() Callback class to be used by the androidx.recyclerview.widget.RecyclerView.Adapter associated with the PreferenceScreen, used to determine when two Preference objects are semantically and visually the same.

Public methods
abstract Boolean	arePreferenceContentsTheSame(p1: Preference!, p2: Preference!) Called to determine if two Preference objects will display the same data
abstract Boolean	arePreferenceItemsTheSame(p1: Preference!, p2: Preference!) Called to determine if two Preference objects represent the same item

Public constructors

<init>

PreferenceComparisonCallback()

Callback class to be used by the androidx.recyclerview.widget.RecyclerView.Adapter associated with the PreferenceScreen, used to determine when two Preference objects are semantically and visually the same.

Public methods

arePreferenceContentsTheSame

abstract fun arePreferenceContentsTheSame(
    p1: Preference!, 
    p2: Preference!
): Boolean

Called to determine if two Preference objects will display the same data

Parameters
p1	Preference!: Preference object to compare
p2	Preference!: Preference object to compare

Return
Boolean: true if the objects are visually identical

arePreferenceItemsTheSame

abstract fun arePreferenceItemsTheSame(
    p1: Preference!, 
    p2: Preference!
): Boolean

Called to determine if two Preference objects represent the same item

Parameters
p1	Preference!: Preference object to compare
p2	Preference!: Preference object to compare

Return
Boolean: true if the objects represent the same item