Preference.OnPreferenceChangeListener
public
static
interface
Preference.OnPreferenceChangeListener
| androidx.preference.Preference.OnPreferenceChangeListener |
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
|