Added in API level 1

PreferenceChangeEvent

open class PreferenceChangeEvent : EventObject

kotlin.Any
↳	java.util.EventObject
	↳	java.util.prefs.PreferenceChangeEvent

An event emitted by a Preferences node to indicate that a preference has been added, removed or has had its value changed.

Note, that although PreferenceChangeEvent inherits Serializable interface from EventObject, it is not intended to be Serializable. Appropriate serialization methods are implemented to throw NotSerializableException.

Summary

Public constructors
PreferenceChangeEvent(node: Preferences!, key: String!, newValue: String!) Constructs a new PreferenceChangeEvent instance.

Public methods
open String!	getKey() Returns the key of the preference that was changed.
open String!	getNewValue() Returns the new value for the preference.
open Preferences!	getNode() Returns the preference node that emitted the event.

Inherited functions
From class EventObject Any! getSource() The object on which the Event initially occurred. String toString() Returns a String representation of this EventObject.

Inherited properties
From class EventObject Any! source The object on which the Event initially occurred.

Public constructors

PreferenceChangeEvent

Added in API level 1

PreferenceChangeEvent(
    node: Preferences!, 
    key: String!, 
    newValue: String!)

Constructs a new PreferenceChangeEvent instance.

Parameters
node	Preferences!: The Preferences node that emitted the event.
key	String!: The key of the preference that was changed.
newValue	String!: The new value of the preference, or null if the preference is being removed.

Public methods

getKey

Added in API level 1

open fun getKey(): String!

Returns the key of the preference that was changed.

Return
String!	The key of the preference that was changed.

getNewValue

Added in API level 1

open fun getNewValue(): String!

Returns the new value for the preference.

Return
String!	The new value for the preference, or null if the preference was removed.

getNode

Added in API level 1

open fun getNode(): Preferences!

Returns the preference node that emitted the event.

Return
Preferences!	The preference node that emitted the event.