SimplePreferenceComparisonCallback
open class SimplePreferenceComparisonCallback : PreferenceManager.PreferenceComparisonCallback
| kotlin.Any | ||
| ↳ | androidx.preference.PreferenceManager.PreferenceComparisonCallback | |
| ↳ | androidx.preference.PreferenceManager.SimplePreferenceComparisonCallback | |
A basic implementation of PreferenceComparisonCallback suitable for use with the default Preference classes. If the PreferenceScreen contains custom Preference subclasses, you must override arePreferenceContentsTheSame(Preference, Preference).
Summary
| Public constructors | |
|---|---|
<init>()A basic implementation of |
|
| Public methods | |
|---|---|
| open Boolean |
arePreferenceContentsTheSame(p1: Preference!, p2: Preference!)Called to determine if two |
| open Boolean |
arePreferenceItemsTheSame(p1: Preference!, p2: Preference!)Called to determine if two |
Public constructors
<init>
SimplePreferenceComparisonCallback()
A basic implementation of PreferenceComparisonCallback suitable for use with the default Preference classes. If the PreferenceScreen contains custom Preference subclasses, you must override arePreferenceContentsTheSame(Preference, Preference).
Public methods
arePreferenceContentsTheSame
open fun arePreferenceContentsTheSame(
p1: Preference!,
p2: Preference!
): Boolean
Called to determine if two Preference objects will display the same data
The result of this method is only valid for the default Preference objects, and custom subclasses which do not override Preference#onBindViewHolder(PreferenceViewHolder). This method also assumes that if a preference object is being replaced by a new instance, the old instance was not modified after being removed from its containing PreferenceGroup.
| Parameters | |
|---|---|
p1 |
Preference!: Preference object to compare |
p2 |
Preference!: Preference object to compare |
| Return | |
|---|---|
Boolean |
true if the objects are visually identical |
arePreferenceItemsTheSame
open fun arePreferenceItemsTheSame(
p1: Preference!,
p2: Preference!
): Boolean
Called to determine if two Preference objects represent the same item
This method will not be able to track replaced Preference objects if they do not have a unique key.
| Parameters | |
|---|---|
p1 |
Preference!: Preference object to compare |
p2 |
Preference!: Preference object to compare |
| Return | |
|---|---|
Boolean |
true if the objects represent the same item |
See Also