程序包 ohos.media.audio

枚举 AudioStreamInfo.StreamUsage

java.lang.Object

java.lang.Enum<AudioStreamInfo.StreamUsage>

ohos.media.audio.AudioStreamInfo.StreamUsage

所有已实现的接口:

Serializable, Comparable<AudioStreamInfo.StreamUsage>

封闭类:

AudioStreamInfo

public static enum AudioStreamInfo.StreamUsage
extends Enum<AudioStreamInfo.StreamUsage>

Indicates the audio stream usage type.

从以下版本开始:

1

SystemCapability

SystemCapability.Multimedia#AUDIO

枚举常量概要

枚举常量

枚举常量	说明
STREAM_USAGE_ALARM	Indicates that the streams are used for an alarm (such as a wake-up alarm).
STREAM_USAGE_ASSISTANCE_ACCESSIBILITY	Indicates that the streams are used for improving accessibility with a screen reader, for example.
STREAM_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE	Indicates that the streams are used for driving or navigating directions.
STREAM_USAGE_ASSISTANCE_SONIFICATION	Indicates that the streams are used for sonification such as user interface sounds.
STREAM_USAGE_ASSISTANT	Indicates that the streams are used for audio responses to user queries, audio instructions, or help utterances.
STREAM_USAGE_GAME	Indicates that the streams are used for game audio.
STREAM_USAGE_MEDIA	Indicates that the streams are used for media, such as music or movie soundtracks.
STREAM_USAGE_NOTIFICATION	Indicates that the streams are used for notifications.
STREAM_USAGE_NOTIFICATION_COMMUNICATION_DELAYED	Indicates that the streams are used for notifications for a non-immediate type of communication, such as email.
STREAM_USAGE_NOTIFICATION_COMMUNICATION_INSTANT	Indicates that the streams are used for notifications of instant communications, such as instant messaging.
STREAM_USAGE_NOTIFICATION_COMMUNICATION_REQUEST	Indicates that the streams are used for requests to enter or end a communication, such as a VoIP calls or video conference.
STREAM_USAGE_NOTIFICATION_EVENT	Indicates that the streams are used to attract users' attention, such as a reminder or low battery warning.
STREAM_USAGE_NOTIFICATION_RINGTONE	Indicates that the streams are used for ringtones.
STREAM_USAGE_TTS	Indicates that the streams are used for text-to-speech.
STREAM_USAGE_UNKNOWN	Indicates unknown stream usage.
STREAM_USAGE_VIRTUAL_SOURCE	Indicates that the streams are used for feeding audio to the platform and replacing traditional audio sources, such as audio capture devices.
STREAM_USAGE_VOICE_COMMUNICATION	Indicates that the streams are used for voice communications, such as telephony or VoIP.
STREAM_USAGE_VOICE_COMMUNICATION_SIGNALLING	Indicates that the streams are used for in-call signaling, such as a "busy" beep, or DTMF tones.

方法概要

限定符和类型	方法	说明
static AudioStreamInfo.StreamUsage	getEnum(int value)	Obtains an enum type from value.
int	getValue()	Obtains an enum value.
static AudioStreamInfo.StreamUsage	valueOf(String name)	返回带有指定名称的该类型的枚举常量。 字符串必须与用于声明该类型的枚举常量的 标识符完全匹配。(不允许有多余 的空格字符。)
static AudioStreamInfo.StreamUsage[]	values()	按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。该方法可用于迭代 常量, 如下所示: for (AudioStreamInfo.StreamUsage c : AudioStreamInfo.StreamUsage.values()) System.out.println(c);

从类继承的方法 java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

从类继承的方法 java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

枚举常量详细资料

STREAM_USAGE_UNKNOWN

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_UNKNOWN

Indicates unknown stream usage.

STREAM_USAGE_MEDIA

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_MEDIA

Indicates that the streams are used for media, such as music or movie soundtracks.

STREAM_USAGE_VOICE_COMMUNICATION

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_VOICE_COMMUNICATION

Indicates that the streams are used for voice communications, such as telephony or VoIP.

STREAM_USAGE_VOICE_COMMUNICATION_SIGNALLING

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_VOICE_COMMUNICATION_SIGNALLING

Indicates that the streams are used for in-call signaling, such as a "busy" beep, or DTMF tones.

STREAM_USAGE_ALARM

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_ALARM

Indicates that the streams are used for an alarm (such as a wake-up alarm).

STREAM_USAGE_NOTIFICATION

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_NOTIFICATION

Indicates that the streams are used for notifications. See the following notification usages for more specialized uses.

STREAM_USAGE_NOTIFICATION_RINGTONE

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_NOTIFICATION_RINGTONE

Indicates that the streams are used for ringtones.

STREAM_USAGE_NOTIFICATION_COMMUNICATION_REQUEST

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_NOTIFICATION_COMMUNICATION_REQUEST

Indicates that the streams are used for requests to enter or end a communication, such as a VoIP calls or video conference.

STREAM_USAGE_NOTIFICATION_COMMUNICATION_INSTANT

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_NOTIFICATION_COMMUNICATION_INSTANT

Indicates that the streams are used for notifications of instant communications, such as instant messaging.

STREAM_USAGE_NOTIFICATION_COMMUNICATION_DELAYED

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_NOTIFICATION_COMMUNICATION_DELAYED

Indicates that the streams are used for notifications for a non-immediate type of communication, such as email.

STREAM_USAGE_NOTIFICATION_EVENT

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_NOTIFICATION_EVENT

Indicates that the streams are used to attract users' attention, such as a reminder or low battery warning.

STREAM_USAGE_ASSISTANCE_ACCESSIBILITY

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_ASSISTANCE_ACCESSIBILITY

Indicates that the streams are used for improving accessibility with a screen reader, for example.

STREAM_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE

Indicates that the streams are used for driving or navigating directions.

STREAM_USAGE_ASSISTANCE_SONIFICATION

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_ASSISTANCE_SONIFICATION

Indicates that the streams are used for sonification such as user interface sounds.

STREAM_USAGE_GAME

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_GAME

Indicates that the streams are used for game audio.

STREAM_USAGE_VIRTUAL_SOURCE

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_VIRTUAL_SOURCE

Indicates that the streams are used for feeding audio to the platform and replacing traditional audio sources, such as audio capture devices.

STREAM_USAGE_ASSISTANT

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_ASSISTANT

Indicates that the streams are used for audio responses to user queries, audio instructions, or help utterances.

STREAM_USAGE_TTS

public static final AudioStreamInfo.StreamUsage STREAM_USAGE_TTS

Indicates that the streams are used for text-to-speech.

方法详细资料

values

public static AudioStreamInfo.StreamUsage[] values()

按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。该方法可用于迭代 常量, 如下所示:

for (AudioStreamInfo.StreamUsage c : AudioStreamInfo.StreamUsage.values())
    System.out.println(c);

返回:

按照声明该枚举类型的常量的顺序返回的包含这些常量的数组

valueOf

public static AudioStreamInfo.StreamUsage valueOf(String name)

返回带有指定名称的该类型的枚举常量。 字符串必须与用于声明该类型的枚举常量的 标识符完全匹配。(不允许有多余 的空格字符。)

参数:

name - 要返回的枚举常量的名称。

返回:

返回带有指定名称的枚举常量

抛出:

IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量

NullPointerException - 如果参数为空值

getValue

public int getValue()

Obtains an enum value.

返回:

Returns the enum value.

从以下版本开始:

1

getEnum

public static AudioStreamInfo.StreamUsage getEnum(int value)

Obtains an enum type from value.

参数:

value - Indicates the value.

返回:

Returns the enum type.

从以下版本开始:

3