CaptioningManager

Kotlin |Java

public class CaptioningManager
extends Object

java.lang.Object
↳	android.view.accessibility.CaptioningManager

Contains methods for accessing and monitoring preferred video captioning state and visual properties.

Summary

Nested classes
`class`	`CaptioningManager.CaptionStyle` Specifies visual properties for video captions, including foreground and background colors, edge properties, and typeface.
`class`	`CaptioningManager.CaptioningChangeListener` Listener for changes in captioning properties, including enabled state and user style preferences.

Public methods
`void`	`addCaptioningChangeListener(CaptioningManager.CaptioningChangeListener listener)` Adds a listener for changes in the user's preferred captioning enabled state and visual properties.
`final float`	`getFontScale()`
`final Locale`	`getLocale()`
`CaptioningManager.CaptionStyle`	`getUserStyle()`
`final boolean`	`isEnabled()`
`void`	`removeCaptioningChangeListener(CaptioningManager.CaptioningChangeListener listener)` Removes a listener previously added using `addCaptioningChangeListener(CaptioningManager.CaptioningChangeListener)`.

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Added in API level 19

public void addCaptioningChangeListener (CaptioningManager.CaptioningChangeListener listener)

Adds a listener for changes in the user's preferred captioning enabled state and visual properties.

Parameters
`listener`	`CaptioningManager.CaptioningChangeListener`: the listener to add This value cannot be `null`.

Added in API level 19

public final float getFontScale ()

Returns
`float`	the user's preferred font scaling factor for video captions, or 1 if not specified

Added in API level 19

public final Locale getLocale ()

Returns
`Locale`	the locale for the user's preferred captioning language, or null if not specified

Added in API level 19

public CaptioningManager.CaptionStyle getUserStyle ()

Returns
`CaptioningManager.CaptionStyle`	the user's preferred visual properties for captions as a `CaptionStyle`, or the default style if not specified This value cannot be `null`.

Added in API level 19

public final boolean isEnabled ()

Returns
`boolean`	the user's preferred captioning enabled state

Added in API level 19

public void removeCaptioningChangeListener (CaptioningManager.CaptioningChangeListener listener)

Parameters
`listener`	`CaptioningManager.CaptioningChangeListener`: the listener to remove This value cannot be `null`.