CaptioningChangeListener

Kotlin |Java

abstract class CaptioningChangeListener

kotlin.Any
↳	android.view.accessibility.CaptioningManager.CaptioningChangeListener

Listener for changes in captioning properties, including enabled state and user style preferences.

Summary

Public constructors
`CaptioningChangeListener()`

Public methods
open Unit	`onEnabledChanged(enabled: Boolean)` Called when the captioning enabled state changes.
open Unit	`onFontScaleChanged(fontScale: Float)` Called when the captioning font scaling factor changes.
open Unit	`onLocaleChanged(locale: Locale?)` Called when the captioning locale changes.
open Unit	`onSystemAudioCaptioningChanged(enabled: Boolean)` Called when the system audio caption enabled state changes.
open Unit	`onSystemAudioCaptioningUiChanged(enabled: Boolean)` Called when the system audio caption UI enabled state changes.
open Unit	`onUserStyleChanged(userStyle: CaptioningManager.CaptionStyle)` Called when the captioning user style changes.

CaptioningChangeListener()

open fun onEnabledChanged(enabled: Boolean): Unit

Called when the captioning enabled state changes.

Parameters
`enabled`	Boolean: the user's new preferred captioning enabled state

open fun onFontScaleChanged(fontScale: Float): Unit

Called when the captioning font scaling factor changes.

Parameters
`fontScale`	Float: the preferred font scaling factor

See Also

open fun onLocaleChanged(locale: Locale?): Unit

Called when the captioning locale changes.

Parameters
`locale`	Locale?: the preferred captioning locale, or `null` if not specified

See Also

open fun onSystemAudioCaptioningChanged(enabled: Boolean): Unit

Called when the system audio caption enabled state changes.

Parameters
`enabled`	Boolean: the system audio caption enabled state

open fun onSystemAudioCaptioningUiChanged(enabled: Boolean): Unit

Called when the system audio caption UI enabled state changes.

Parameters
`enabled`	Boolean: the system audio caption UI enabled state

open fun onUserStyleChanged(userStyle: CaptioningManager.CaptionStyle): Unit

Called when the captioning user style changes.

Parameters
`userStyle`	CaptioningManager.CaptionStyle: the user's new preferred style This value cannot be `null`.

See Also