程序包 ohos.data.usage

类 Volume

java.lang.Object

ohos.data.usage.Volume

public final class Volume
extends Object

Provides methods for querying information about storage devices.

从以下版本开始:

1

方法概要

限定符和类型	方法	说明
String	getDescription()	Obtains the description of this volume.
MountState	getState()	Obtains the mount state of this volume.
String	getVolUuid()	Obtains the UUID of this volume.
boolean	isEmulated()	Checks whether a device is a virtual device.
boolean	isPluggable()	Checks whether a device is swappable.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

isEmulated

public boolean isEmulated()

Checks whether a device is a virtual device.

返回:

Returns true if the device is a virtual device; returns false otherwise.

isPluggable

public boolean isPluggable()

Checks whether a device is swappable.

返回:

Returns true if the device is swappable; returns false otherwise.

getDescription

public String getDescription()

Obtains the description of this volume.

返回:

Returns the description of this volume.

从以下版本开始:

3

getState

public MountState getState()

Obtains the mount state of this volume. The mount state can be mounted, unmounted, removed, or unknown.

返回:

Returns MountState, which indicates the mount state of this volume.

从以下版本开始:

3

getVolUuid

public String getVolUuid()

Obtains the UUID of this volume.

返回:

Returns the UUID of this volume.

从以下版本开始:

3