程序包 ohos.bluetooth.ble

类 GattDescriptor

java.lang.Object

ohos.bluetooth.ble.GattDescriptor

所有已实现的接口:

Sequenceable

public class GattDescriptor
extends Object
implements Sequenceable

Represents the Bluetooth GATT descriptor.

The GATT descriptor contains additional information and attributes of a GATT characteristic.

从以下版本开始:

1

嵌套类概要

从接口继承的嵌套类/接口 ohos.utils.Sequenceable

Sequenceable.Producer<T>

构造器概要

构造器

构造器	说明
GattDescriptor(UUID uuid, int permissions)	A constructor used to create a GattDescriptor instance.

方法概要

限定符和类型	方法	说明
GattCharacteristic	getCharacteristic()	Obtains the GattCharacteristic to which a descriptor belongs.
int	getPermissions()	Obtains the permissions of a descriptor in bit mask.
UUID	getUuid()	Obtains the UUID of a descriptor.
byte[]	getValue()	Sets the stored value of a descriptor.
boolean	marshalling(Parcel out)	Marshals this Sequenceable object into a Parcel.
boolean	setValue(byte[] values)	Sets the value for this descriptor.
boolean	unmarshalling(Parcel in)	Unmarshals this Sequenceable object from a Parcel.

从类继承的方法 java.lang.Object

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

从接口继承的方法 ohos.utils.Sequenceable

hasFileDescriptor

构造器详细资料

GattDescriptor

public GattDescriptor(UUID uuid,
                      int permissions)

A constructor used to create a GattDescriptor instance.

参数:

uuid - Indicates the UUID of the descriptor.

permissions - Indicates the permissions of the descriptor in bit mask.

从以下版本开始:

1

方法详细资料

getCharacteristic

public GattCharacteristic getCharacteristic()

Obtains the GattCharacteristic to which a descriptor belongs.

返回:

Returns the GattCharacteristic to which the descriptor belongs.

从以下版本开始:

1

getUuid

public UUID getUuid()

Obtains the UUID of a descriptor.

返回:

Returns the UUID of the descriptor.

从以下版本开始:

1

getPermissions

public int getPermissions()

Obtains the permissions of a descriptor in bit mask.

返回:

Returns the permissions of the descriptor in bit mask.

从以下版本开始:

1

getValue

public byte[] getValue()

Sets the stored value of a descriptor.

返回:

Returns true if the record is set successfully; returns false otherwise.

从以下版本开始:

1

setValue

public boolean setValue(byte[] values)

Sets the value for this descriptor.

参数:

values - Indicates the value to set.

返回:

Returns true if the value is set; returns false otherwise.

marshalling

public boolean marshalling(Parcel out)

从接口复制的说明: Sequenceable

Marshals this Sequenceable object into a Parcel.

指定者:

marshalling 在接口中 Sequenceable

参数:

out - Indicates the Parcel object to which the Sequenceable object will be marshaled..

返回:

Returns true if the marshalling is successful; returns false otherwise.

unmarshalling

public boolean unmarshalling(Parcel in)

从接口复制的说明: Sequenceable

Unmarshals this Sequenceable object from a Parcel.

指定者:

unmarshalling 在接口中 Sequenceable

参数:

in - Indicates the Parcel object into which the Sequenceable object has been marshaled.

返回:

Returns true if the unmarshalling is successful; returns false otherwise.