ICommandContext
ICommandContext
可选项，传递给媒体命令的上下文。
属性
source
source: CommandSource
命令的启动器，例如遥控器或显示器已关闭。
Last updated: 2026年7月22日
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Vega API概述
-
Vega A11y设置
- UiScaleSetting
- ItemScalingType
- ScalingProps
- ColorCorrectionMode
- TimeoutMultiplier
- CaptionTextSize
- CaptionColor
- CaptionFont
- CaptionEdgeStyle
- CaptionOpacity
- CaptioningProps
- UiScaleSettingMode
- SCALING_PROP_TEXT_TYPE
- SCALING_PROP_IMAGE_TYPE
- SCALING_PROP_LOW_UPSCALE_TYPE
- SCALING_PROP_MEDIUM_UPSCALE_TYPE
- SCALING_PROP_LARGE_UPSCALE_TYPE
- SCALING_PROP_LOW_DOWNSCALE_TYPE
- SCALING_PROP_LARGE_DOWNSCALE_TYPE
- UiScaleSettingContextProvider
- useUiScaleSetting
- useUiScaleSettingLoading
- useScaledSize
- useScalingMultiplier
- /turbo-modules/KeplerA11ySettingsInterfaceTurbo
- Vega Ad ID Retriever
- Vega亚马逊设备消息传递
-
Vega APS客户端
- AmazonAPSClientTurboModule
- ApsClientLibraryAPI
- ApsIntegrationType
- ApsDeviceParametersMap
- SCREEN_HEIGHT_DEVICE_PARAM
- SCREEN_WIDTH_DEVICE_PARAM
- DNT_DEVICE_PARAM
- IFA_DEVICE_PARAM
- UA_DEVICE_PARAM
- MAKE_DEVICE_PARAM
- LANGUAGE_DEVICE_PARAM
- MODEL_DEVICE_PARAM
- OS_DEVICE_PARAM
- OSV_DEVICE_PARAM
- DeviceParamType
- ApsError
- InternalError
- UnsupportedError
- NotFoundError
- parseError
- Vega资源解析器
-
Vega音频库
- AudioContentType
- AudioUsageType
- AudioStatus
- VolumeUpdate
- AudioVolumeType
- AudioVolumeFlags
- AudioRole
- AudioDevice
- AudioTelephonyMode
- AudioEvent
- AudioPlaybackEvent
- AudioRecordEvent
- AudioSampleRate
- AudioChannelMask
- AudioSampleFormat
- AudioFlags
- AudioConfig
- SampleLayout
- AudioConfigAttr
- AudioAttributes
- AudioDeviceInfo
- AudioTheme
- SinkPolicies
- AudioSource
- AudioSystemSound
- DuckingMode
- SinkFormatsSelectionPolicy
- StreamDuckingPolicy
- AudioFadeType
- AudioFocusStatus
- AudioFocusChange
- AudioFocusAttributes
- AudioFocusManager
- AudioFocusSession
- AudioManager
- AudioPlaybackStream
- AudioPlaybackStreamBuilder
- AudioRecordStream
- AudioRecordStreamBuilder
- Vega频道
-
Vega内容个性化
- IContentEntitlement
- ContentEntitlementBuilder
- EntitlementType
- IContentId
- ContentIdBuilder
- ContentIdNamespaces
- IContentInteraction
- ContentInteractionBuilder
- ContentInteractionType
- ICustomerListEntry
- CustomerListEntryBuilder
- CustomerListType
- BaseError
- InvalidArgumentError
- IPlaybackEvent
- PlaybackEventBuilder
- PlaybackState
- IProfileId
- ProfileIdBuilder
- ProfileIdNamespaces
- IContentEntitlementsHandler
- IContentEntitlementsProvider
- ICustomerListEntriesHandler
- ICustomerListEntriesProvider
- IPlaybackEventsHandler
- IPlaybackEventsProvider
- /turbo-modules/ContentPersonalizationServer
-
Vega Crypto
- AsymmetricAlgorithm
- AsymmetricCipherContextBuilder
- AsymmetricKeyBuilder
- CbcContextBuilder
- Crypto
- CtrContextBuilder
- DecryptionContext
- DigestAlgorithm
- DigestContext
- DigestContextBuilder
- EccCurve
- EcdhContextBuilder
- EcdhKeyExchangeContext
- EncryptionContext
- GcmContextBuilder
- HkdfContextBuilder
- HmacContext
- HmacContextBuilder
- InternalNativeOperationError
- KeplerCryptoTurboModuleError
- KeyDerivationContext
- KeyPurpose
- Pbkdf2ContextBuilder
- PrivateKey
- PublicKey
- RsaKeyBuilder
- RsaOaepContextBuilder
- RsaOaepKeyBuilder
- RsassaPkcs1ContextBuilder
- RsassaPssContextBuilder
- SignatureContextBuilder
- SigningContext
- SymmetricAlgorithm
- SymmetricKey
- SymmetricKeyBuilder
- VerificationContext
- WebCrypto
- WrappingContext
- WrappingScheme
- CryptoKey
- CryptoKeyPair
-
Vega EPG提供方
- IChannelInfo
- ChannelInfoBuilder
- IProgram
- ProgramBuilder
- IChannelDescriptor
- ChannelDescriptorBuilder
- ChannelTypeEnum
- IChannelMetadata
- ChannelMetadataBuilder
- ISeriesInfo
- SeriesInfoBuilder
- IExternalId
- ExternalIdBuilder
- BaseError
- InvalidArgumentError
- IllegalStateError
- InternalError
- StorageLimitError
- EventType
- ILiveEvent
- LiveEvent
- LiveEventBuilder
- IPlaybackReference
- PlaybackReferenceBuilder
- PlaybackType
- IAddLiveEventFailure
- IUpsertProgramFailure
- IChannelLineupProvider
- IProgramLineupProvider
- ILiveEventProvider
- EpgLineupInformation
- IProgramLineupProvider2
- /turbo-modules/types/AddLiveEventFailure
- /turbo-modules/types/ChannelDescriptor
- /turbo-modules/types/Program
- /turbo-modules/types/SeriesInfo
- /turbo-modules/types/UpsertProgramFailure
- Vega EPG同步调度程序
- Vega文件系统
- Vega图形
- Vega标识符
-
Vega应用内购买
- ProductType
- CoinsReward
- 价格
- PromotionPlan
- Promotion
- Product
- Receipt
- LwaConsentStatus
- UserProfileAccessConsentStatus
- UserData
- RequestId
- PurchaseRequest
- ModifySubscriptionRequest
- PurchaseUpdatesRequest
- ProductDataRequest
- FulfillmentResult
- NotifyFulfillmentRequest
- UserDataRequest
- PurchaseResponseCode
- PurchaseResponse
- PurchaseUpdatesResponseCode
- PurchaseUpdatesResponse
- ProductDataResponseCode
- ProductDataResponse
- NotifyFulfillmentResponseCode
- NotifyFulfillmentResponse
- UserDataResponseCode
- UserDataResponse
- ProrationMode
- ModifySubscriptionResponseCode
- ModifySubscriptionResponse
- UserProfileAccessResponseCode
- UserProfileAccessResponse
- PurchasingService
- useIapUserData
- useIapPurchaseUpdates
- useIapProductData
- Vega国际化库
- Vega Login With Amazon
- Vega媒体账户登录
-
Vega媒体内容启动器
- InvalidArgumentError
- IContentLauncherServer
- IContentLauncherHandler
- ILaunchContentOptionalFields
- IContentSearch
- IContentSearchParameter
- ContentSearchParamType
- IAdditionalInfo
- IPlaybackPreferences
- ITrackPreference
- ILauncherResponse
- ContentLauncherStatusType
- ILauncherResponseBuilder
- InternalError
- ContentLauncherServerComponent
- KeplerScriptContentLauncher
- Vega媒体内容元数据
-
Vega媒体控制
- MediaControlComponentAsync
- MediaControlServerComponentAsync
- PlaybackStatus
- Action
- RepeatMode
- InvalidArgumentError
- ITimeValue
- IPlaybackPosition
- IPlaybackState
- ILocale
- ITrack
- ICapabilities
- IPlaylistState
- IMediaMetadata
- ICommandContext
- KeplerMediaControlsError
- ISubscription
- IMediaControlListener
- IMediaSessionId
- IMediaInfo
- IControl
- MediaSessionState
- IPackageId
- IMediaControlHandlerAsync
- IMediaControlClientAsync
- IMediaControlEndpointLocatorListener
- IMediaControlEndpointLocatorAsync
- IMediaControlServerAsync
- /turbo-modules/types/KeplerMediaControlsTypes
-
Vega媒体描述符
- AVCLevelUnknown
- AVCLevel1
- AVCLevel1b
- AVCLevel11
- AVCLevel12
- AVCLevel13
- AVCLevel2
- AVCLevel21
- AVCLevel22
- AVCLevel3
- AVCLevel31
- AVCLevel32
- AVCLevel4
- AVCLevel41
- AVCLevel42
- AVCLevel5
- AVCLevel51
- AVCLevel52
- AVCLevel6
- AVCLevel61
- AVCLevel62
- HEVCLevelUnknown
- HEVCMainTierLevel1
- HEVCMainTierLevel2
- HEVCMainTierLevel21
- HEVCMainTierLevel3
- HEVCMainTierLevel31
- HEVCMainTierLevel4
- HEVCHighTierLevel4
- HEVCMainTierLevel41
- HEVCHighTierLevel41
- HEVCMainTierLevel5
- HEVCHighTierLevel5
- HEVCMainTierLevel51
- HEVCHighTierLevel51
- HEVCMainTierLevel52
- HEVCHighTierLevel52
- HEVCMainTierLevel6
- HEVCHighTierLevel6
- HEVCMainTierLevel61
- HEVCHighTierLevel61
- HEVCMainTierLevel62
- HEVCHighTierLevel62
- H263LevelUnknown
- H263Level10
- H263Level20
- H263Level30
- H263Level40
- H263Level50
- H263Level60
- H263Level70
- VP9LevelUnknown
- VP9Level1
- VP9Level11
- VP9Level2
- VP9Level21
- VP9Level3
- VP9Level31
- VP9Level4
- VP9Level41
- VP9Level5
- VP9Level51
- VP9Level52
- VP9Level6
- VP9Level61
- VP9Level62
- MPEG4LevelUnknown
- MPEG4Level0
- MPEG4Level0b
- MPEG4Level1
- MPEG4Level2
- MPEG4Level3
- MPEG4Level3b
- MPEG4Level4
- MPEG4Level4a
- MPEG4Level5
- MPEG4Level6
- MPEG2LevelUnknown
- MPEG2LevelLL
- MPEG2LevelML
- MPEG2LevelH14
- MPEG2LevelHL
- MPEG2LevelHP
- VP8LevelUnknown
- VP8LevelVersion0
- VP8LevelVersion1
- VP8LevelVersion2
- VP8LevelVersion3
- AV1LevelUnknown
- AV1Level2
- AV1Level21
- AV1Level22
- AV1Level23
- AV1Level3
- AV1Level31
- AV1Level32
- AV1Level33
- AV1Level4
- AV1Level41
- AV1Level42
- AV1Level43
- AV1Level5
- AV1Level51
- AV1Level52
- AV1Level53
- AV1Level6
- AV1Level61
- AV1Level62
- AV1Level63
- AV1Level7
- AV1Level71
- AV1Level72
- AV1Level73
- DolbyVisionLevelUnknown
- DolbyVisionLevelHd24
- DolbyVisionLevelHd30
- DolbyVisionLevelFhd24
- DolbyVisionLevelFhd30
- DolbyVisionLevelFhd60
- DolbyVisionLevelUhd24
- DolbyVisionLevelUhd30
- DolbyVisionLevelUhd48
- DolbyVisionLevelUhd60
- AVCProfileUnknown
- AVCProfileBaseline
- AVCProfileMain
- AVCProfileExtended
- AVCProfileHigh
- AVCProfileHigh10
- AVCProfileHigh422
- AVCProfileHigh444
- AVCProfileConstrainedBaseline
- AVCProfileConstrainedHigh
- HEVCProfileUnknown
- HEVCProfileMain
- HEVCProfileMain10
- HEVCProfileMainStill
- HEVCProfileMain10HDR10
- HEVCProfileMain10HDR10Plus
- H263ProfileUnknown
- H263ProfileBaseline
- H263ProfileH320Coding
- H263ProfileBackwardCompatible
- H263ProfileISWV2
- H263ProfileISWV3
- H263ProfileHighCompression
- H263ProfileInternet
- H263ProfileInterlace
- H263ProfileHighLatency
- VP9ProfileUnknown
- VP9Profile0
- VP9Profile1
- VP9Profile2
- VP9Profile3
- VP9Profile2HDR
- VP9Profile3HDR
- VP9Profile2HDR10Plus
- VP9Profile3HDR10Plus
- MPEG4ProfileUnknown
- MPEG4ProfileSimple
- MPEG4ProfileSimpleScalable
- MPEG4ProfileCore
- MPEG4ProfileMain
- MPEG4ProfileNbit
- MPEG4ProfileScalableTexture
- MPEG4ProfileSimpleFace
- MPEG4ProfileSimpleFBA
- MPEG4ProfileBasicAnimated
- MPEG4ProfileHybrid
- MPEG4ProfileAdvancedRealTime
- MPEG4ProfileCoreScalable
- MPEG4ProfileAdvancedCoding
- MPEG4ProfileAdvancedCore
- MPEG4ProfileAdvancedScalable
- MPEG4ProfileAdvancedSimple
- MPEG2ProfileUnknown
- MPEG2ProfileSimple
- MPEG2ProfileMain
- MPEG2Profile422
- MPEG2ProfileSNR
- MPEG2ProfileSpatial
- MPEG2ProfileHigh
- VP8ProfileUnknown
- VP8ProfileMain
- AV1ProfileUnknown
- AV1ProfileMain8
- AV1ProfileMain10
- AV1ProfileMain10HDR10
- AV1ProfileMain10HDR10Plus
- DolbyVisionProfileUnknown
- DolbyVisionProfileDvavPer
- DolbyVisionProfileDvavPen
- DolbyVisionProfileDvheDer
- DolbyVisionProfileDvheDen
- DolbyVisionProfileDvheDtr
- DolbyVisionProfileDvheStn
- DolbyVisionProfileDvheDth
- DolbyVisionProfileDvheDtb
- DolbyVisionProfileDvheSt
- DolbyVisionProfileDvavSe
- AudioDecoderCapabilities
- AudioDecoderConfig
- AudioFormat
- AudioSampleFormat
- CodecMimeType
- DecoderFeatures
- DecoderFeaturesCapabilities
- MediaCapabilities
- MediaCodecFeatures
- MediaCodecFeaturesCapabilities
- MediaConfig
- MediaFormat
- MediaFormatProfileLevel
- MediaFormatProfileLevelCapabilities
- ProfileLevel
- Resolution
- VideoColorMatrix
- VideoColorPrimaries
- VideoColorTransfer
- VideoDecoderCapabilities
- VideoDecoderConfig
- VideoFormat
- VideoFormatCapabilities
- KeplerMediaDescriptor
- Vega家长监护
- Vega播放器客户端
-
Vega播放器服务器
- IHttpHeader
- ITimeRange
- IMediaLocator
- ITextTrackKind
- IOobTextTrackInfo
- IPlayerSessionMediaInfo
- IViewHandle
- IPlayerSessionPosition
- IPlayerSessionId
- IPlayerSessionState
- IUnloadSyncStatus
- ISubscription
- IPlayerSessionStatus
- IPlayerSessionLoadParams
- ITrackType
- ITextTrackMode
- ITrackInfo
- IPlayerSessionError
- PlayerSessionError
- InvalidArgumentError
- IPlayerServerHandler
- IPlayerServer
- IPlayerServerFactory
- PlayerServerFactory
- Vega安全管理器
- Vega简单登录
- Vega系统信息
- Vega目标导航器提供方
- Vega TVe Adobe SSO Enabler
-
Vega W3C媒体播放器
- 媒体
- Audio
- 视频
- AudioPlayer
- VideoPlayer
- MediaSource
- SourceBuffer
- SourceBufferImpl
- AppendMode
- SourceBufferList
- BufferSource
- ReadyState
- MediaSourceHandle
- EndOfStreamError
- HTMLMediaElement
- HTMLVideoElement
- HTMLAudioElement
- MediaProvider
- TimeRanges
- CanPlayTypeResult
- MediaError
- TextTrackKind
- TextTrackMode
- AudioTrack
- VideoTrack
- TextTrackCue
- TextTrackCueList
- TextTrack
- AudioTrackList
- VideoTrackList
- TextTrackList
- EventTarget
- EventListener
- Event
- TrackEvent
- MediaKeys
- MediaKeySession
- MediaKeySystemConfiguration
- MediaKeysSystemAccess
- MediaKeySessionType
- MediaKeysRequirement
- MediaKeySystemMediaCapability
- Robustness
- InitDataType
- requestMediaKeySystemAccess
- requestMediaKeysSystemAccess
- W3CLibPolyfill
- NotSupportedError
- InvalidStateError
- QuotaExceededError
- WebCrypto
- KeplerCaptionsView
- KeplerVideoSurfaceView
- KeplerShareableSurfaceView
- KeplerVideoView
- AudioUsageType
- AudioContentType
- TextDecoder
- KeySystemTrackConfiguration
- MediaCapabilitiesKeySystemConfiguration
- HdrMetadataType
- ColorGamut
- TransferFunction
- MediaDecodingType
- VideoConfiguration
- AudioConfiguration
- MediaConfiguration
- MediaDecodingConfiguration
- MediaCapabilitiesInfo
- MediaCapabilitiesDecodingInfo
- MediaCapabilities
- decodingInfo
- VTTCue
- TextTrackImpl
- KeplerMediaControlHandler
- MediaPlayerDeInitStatus
- Vega WebView
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