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
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. |