PreferenceManager.PreferenceComparisonCallback

Added in 1.0.0

Kotlin |Java

abstract class PreferenceManager.PreferenceComparisonCallback

Known direct subclasses

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
`PreferenceComparisonCallback()`

Public functions
`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

Added in 1.0.0

PreferenceComparisonCallback()

Added in 1.0.0

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

Returns
`Boolean`	`true` if the objects are visually identical

Added in 1.0.0

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

Returns
`Boolean`	`true` if the objects represent the same item