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Added in API level 1

public interface PreferenceChangeListener
implements EventListener

java.util.prefs.PreferenceChangeListener

接收偏好更改事件的侦听器。

也可以看看：

Public methods
`abstract void`	`preferenceChange(PreferenceChangeEvent evt)` 此方法在添加，删除或其值更改时被调用。

Added in API level 1

void preferenceChange (PreferenceChangeEvent evt)

此方法在添加，删除或其值更改时被调用。

Parameters
`evt`	`PreferenceChangeEvent`: A PreferenceChangeEvent object describing the event source and the preference that has changed.