PreferenceManager.PreferenceComparisonCallback

Added in 1.0.0

Kotlin |Java

public 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 methods
`abstract boolean`	`arePreferenceContentsTheSame( @NonNull Preference p1, @NonNull Preference p2 )` Called to determine if two `Preference` objects will display the same data
`abstract boolean`	`arePreferenceItemsTheSame(@NonNull Preference p1, @NonNull Preference p2)` Called to determine if two `Preference` objects represent the same item

Added in 1.0.0

public PreferenceComparisonCallback()

Added in 1.0.0

public abstract boolean arePreferenceContentsTheSame(
    @NonNull Preference p1,
    @NonNull Preference p2
)

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

Parameters
`@NonNull Preference p1`	`Preference` object to compare
`@NonNull Preference p2`	`Preference` object to compare

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

Added in 1.0.0

public abstract boolean arePreferenceItemsTheSame(@NonNull Preference p1, @NonNull Preference p2)

Called to determine if two Preference objects represent the same item

Parameters
`@NonNull Preference p1`	`Preference` object to compare
`@NonNull Preference p2`	`Preference` object to compare

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