Added in API level 1
Deprecated in API level 29

Preference.OnPreferenceChangeListener

Kotlin |Java

public static interface Preference.OnPreferenceChangeListener

android.preference.Preference.OnPreferenceChangeListener

This interface was deprecated in API level 29.
Use the AndroidX Preference Library for consistent behavior across all devices. For more information on using the AndroidX Preference Library see Settings.

Interface definition for a callback to be invoked when the value of this Preference has been changed by the user and is about to be set and/or persisted. This gives the client a chance to prevent setting and/or persisting the value.

Summary

Public methods
`abstract boolean`	`onPreferenceChange(Preference preference, Object newValue)` Called when a Preference has been changed by the user.

Public methods

onPreferenceChange

Added in API level 1

public abstract boolean onPreferenceChange (Preference preference, 
                Object newValue)

Called when a Preference has been changed by the user. This is called before the state of the Preference is about to be updated and before the state is persisted.

Parameters
`preference`	`Preference`: The changed Preference.
`newValue`	`Object`: The new value of the Preference.

Returns
`boolean`	True to update the state of the Preference with the new value.