Amazon Developer

Console

as

Settings
Sign out
Notifications
Alexa
Amazon Appstore
Ring
AWS
Documentation
Support
Contact Us
My Cases

Console

as

Get Started
Design and Develop
Publish
Reference
Support
Skip to main content
We need to have separate implementations for JS and native TextTracks, if we want to support both. This looks messed up right now.

​
Implements

​
Constructors

​
new TextTrackImpl()

new TextTrackImpl(mediaPlayer, mediaElement, textTrack, kind, label, language, uri, mimeType): TextTrackImpl

​
Parameters

mediaPlayer
MediaPlayer
mediaElement
NativeInterfaces.NativeMediaElement | null
textTrack?
NativeInterfaces.NativeTextTrack | undefined
kind?
TextTrackKind | undefined
label?
string | undefined
language?
string | undefined
uri?
string | undefined
mimeType?
string | undefined

​
Returns

TextTrackImpl

​
Properties

​
NATIVE_TRACK_ID_PREFIX

static readonly NATIVE_TRACK_ID_PREFIX: string = "NATIVE_"

​
JS_TRACK_ID_PREFIX

static readonly JS_TRACK_ID_PREFIX: string = "JS_"

​
oncuechange

oncuechange: EventHandler

​
Methods

​
addCue()

addCue(cue: TextTrackCue): void

​
Parameters

cue
TextTrackCue

​
addEventListener()

addEventListener(type: string, listener: EventListener, options?: boolean | AddEventListenerOptions | undefined): void

​
Parameters

type
string
listener
EventListener
options?
boolean | AddEventListenerOptions | undefined

​
dispatchEvent()

dispatchEvent(event: Event): boolean Handle cuechange event

​
Parameters

event
Event

​
Returns

boolean

​
refresh()

refresh(): void

​
removeCue()

removeCue(cue: TextTrackCue): void

​
Parameters

cue
TextTrackCue

​
removeEventListener()

removeEventListener(type: string, listener: EventListener, options?: boolean | EventListenerOptions | undefined): void

​
Parameters

type
string
listener
EventListener
options?
boolean | EventListenerOptions | undefined

​
setTextTrackList()

setTextTrackList(trackList: any): void

​
Parameters

trackList
any
Last modified on July 31, 2026