程序包 ohos.media.audio

枚举 AudioDeviceDescriptor.DeviceType

java.lang.Object

java.lang.Enum<AudioDeviceDescriptor.DeviceType>

ohos.media.audio.AudioDeviceDescriptor.DeviceType

所有已实现的接口:

Serializable, Comparable<AudioDeviceDescriptor.DeviceType>

封闭类:

AudioDeviceDescriptor

public static enum AudioDeviceDescriptor.DeviceType
extends Enum<AudioDeviceDescriptor.DeviceType>

Describes audio device types.

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
ANALOG	Indicates a device using an analog connection.
AUXILIARY	Indicates an auxiliary connector.
BLUETOOTH_A2DP	Indicates a Bluetooth device supporting the Advanced Audio Distribution Profile (A2DP).
BLUETOOTH_SCO	Indicates a Bluetooth device used for telephony.
BUS	Indicates a communication device with an external audio system.
DIGITAL	Indicates a device using a digital connection.
DOCK	Indicates a dock-associated device.
EARPIECE	Indicates a pair of earphone built in a device.
FM	Indicates a device transmitting audio signals using frequency modulation (FM).
FM_TUNER	Indicates a device transmitting audio content using FM.
HDMI	Indicates a device using a high-definition multimedia interface (HDMI) connection.
HDMI_ARC	Indicates a device using the audio return channel (ARC) of an HDMI connection.
HEARING_AID	Indicates a hearing aid.
INVALID	Indicates an invalid device type.
IP	Indicates a device connected over an IP network.
MIC	Indicates a microphone built in a device.
SPEAKER	Indicates a speaker built in a device.
TELEPHONY	Indicates a device transmitting audio signals over the telephony network.
TV_TUNER	Indicates a device transmitting audio content over the TV tuner system.
USB_ACCESSORY	Indicates a USB device in accessory mode.
USB_DEVICE	Indicates a USB device.
USB_HEADSET	Indicates a USB audio headset.
WIRED_HEADPHONES	Indicates a pair of wired earphones.
WIRED_HEADSET	Indicates a headset, which is the combination of a pair of headphones and a microphone.

方法概要

限定符和类型	方法	说明
int	getValue()	Obtains an enum value.
static AudioDeviceDescriptor.DeviceType	valueOf(int value)	Obtains a DeviceType enum based on a specified device type number.
static AudioDeviceDescriptor.DeviceType	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 AudioDeviceDescriptor.DeviceType[]	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 (AudioDeviceDescriptor.DeviceType c : AudioDeviceDescriptor.DeviceType.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

INVALID

public static final AudioDeviceDescriptor.DeviceType INVALID

Indicates an invalid device type.

EARPIECE

public static final AudioDeviceDescriptor.DeviceType EARPIECE

Indicates a pair of earphone built in a device.

SPEAKER

public static final AudioDeviceDescriptor.DeviceType SPEAKER

Indicates a speaker built in a device.

WIRED_HEADSET

public static final AudioDeviceDescriptor.DeviceType WIRED_HEADSET

Indicates a headset, which is the combination of a pair of headphones and a microphone.

WIRED_HEADPHONES

public static final AudioDeviceDescriptor.DeviceType WIRED_HEADPHONES

Indicates a pair of wired earphones.

ANALOG

public static final AudioDeviceDescriptor.DeviceType ANALOG

Indicates a device using an analog connection.

DIGITAL

public static final AudioDeviceDescriptor.DeviceType DIGITAL

Indicates a device using a digital connection.

BLUETOOTH_SCO

public static final AudioDeviceDescriptor.DeviceType BLUETOOTH_SCO

Indicates a Bluetooth device used for telephony.

BLUETOOTH_A2DP

public static final AudioDeviceDescriptor.DeviceType BLUETOOTH_A2DP

Indicates a Bluetooth device supporting the Advanced Audio Distribution Profile (A2DP).

HDMI

public static final AudioDeviceDescriptor.DeviceType HDMI

Indicates a device using a high-definition multimedia interface (HDMI) connection.

HDMI_ARC

public static final AudioDeviceDescriptor.DeviceType HDMI_ARC

Indicates a device using the audio return channel (ARC) of an HDMI connection.

USB_DEVICE

public static final AudioDeviceDescriptor.DeviceType USB_DEVICE

Indicates a USB device.

USB_ACCESSORY

public static final AudioDeviceDescriptor.DeviceType USB_ACCESSORY

Indicates a USB device in accessory mode.

DOCK

public static final AudioDeviceDescriptor.DeviceType DOCK

Indicates a dock-associated device.

FM

public static final AudioDeviceDescriptor.DeviceType FM

Indicates a device transmitting audio signals using frequency modulation (FM).

MIC

public static final AudioDeviceDescriptor.DeviceType MIC

Indicates a microphone built in a device.

FM_TUNER

public static final AudioDeviceDescriptor.DeviceType FM_TUNER

Indicates a device transmitting audio content using FM.

TV_TUNER

public static final AudioDeviceDescriptor.DeviceType TV_TUNER

Indicates a device transmitting audio content over the TV tuner system.

TELEPHONY

public static final AudioDeviceDescriptor.DeviceType TELEPHONY

Indicates a device transmitting audio signals over the telephony network.

AUXILIARY

public static final AudioDeviceDescriptor.DeviceType AUXILIARY

Indicates an auxiliary connector.

IP

public static final AudioDeviceDescriptor.DeviceType IP

Indicates a device connected over an IP network.

BUS

public static final AudioDeviceDescriptor.DeviceType BUS

Indicates a communication device with an external audio system.

USB_HEADSET

public static final AudioDeviceDescriptor.DeviceType USB_HEADSET

Indicates a USB audio headset.

HEARING_AID

public static final AudioDeviceDescriptor.DeviceType HEARING_AID

Indicates a hearing aid.

方法详细资料

values

public static AudioDeviceDescriptor.DeviceType[] 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 (AudioDeviceDescriptor.DeviceType c : AudioDeviceDescriptor.DeviceType.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 AudioDeviceDescriptor.DeviceType 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

valueOf

public static AudioDeviceDescriptor.DeviceType valueOf(int value)

Obtains a DeviceType enum based on a specified device type number.

参数:

value - Indicates the type number of the DeviceType enum.

返回:

Returns the DeviceType enum if the role number is valid; returns INVALID otherwise.

从以下版本开始:

1

getValue

public int getValue()

Obtains an enum value.

返回:

Returns the enum value.

从以下版本开始:

1