程序包 ohos.bluetooth.ble

类 GattService

java.lang.Object

ohos.bluetooth.ble.GattService

所有已实现的接口:

Sequenceable

public class GattService
extends Object
implements Sequenceable

Represents the Bluetooth GATT service.

The GATT service contains a collection of GattCharacteristic.

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
GattService(UUID uuid, boolean isPrimary)	A constructor used to create a GattService instance with a specified UUID.

方法概要

限定符和类型	方法	说明
boolean	addCharacteristic(GattCharacteristic characteristic)	Adds a GattCharacteristic object to a service.
boolean	addService(GattService service)	Adds a GATT service to a service.
Optional<GattCharacteristic>	getCharacteristic(UUID uuid)	Obtains a characteristic with a specified UUID of a service.
List<GattCharacteristic>	getCharacteristics()	Obtains the GattCharacteristic list of a service.
List<GattService>	getIncludedServices()	Obtains the list of GATT services contained in a service.
UUID	getUuid()	Obtains the UUID of a service.
boolean	isPrimary()	Checks whether a service is the primary service.
boolean	marshalling(Parcel out)	Marshals this Sequenceable object into a Parcel.
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

GattService

public GattService(UUID uuid,
                   boolean isPrimary)

A constructor used to create a GattService instance with a specified UUID.

参数:

uuid - Indicates the UUID of the GattService instance.

isPrimary - Indicates whether the GattService instance is primary or secondary. true indicates primary and false indicates secondary.

方法详细资料

isPrimary

public boolean isPrimary()

Checks whether a service is the primary service.

返回:

Returns true if the service is the primary service; returns false otherwise.

从以下版本开始:

1

getUuid

public UUID getUuid()

Obtains the UUID of a service.

返回:

Returns the UUID of the service.

从以下版本开始:

1

addService

public boolean addService(GattService service)

Adds a GATT service to a service.

参数:

service - Indicates the GATT service to add, which is specified in GattService.

返回:

Returns true if the GATT service is added to the service.

从以下版本开始:

1

getIncludedServices

public List<GattService> getIncludedServices()

Obtains the list of GATT services contained in a service.

返回:

Returns the list of GATT services contained in the service.

从以下版本开始:

1

addCharacteristic

public boolean addCharacteristic(GattCharacteristic characteristic)

Adds a GattCharacteristic object to a service.

参数:

characteristic - Indicates the characteristic to add.

返回:

Returns true if the characteristic is added to the service.

从以下版本开始:

1

getCharacteristics

public List<GattCharacteristic> getCharacteristics()

Obtains the GattCharacteristic list of a service.

返回:

Returns the GattCharacteristic list of the service.

从以下版本开始:

1

getCharacteristic

public Optional<GattCharacteristic> getCharacteristic(UUID uuid)

Obtains a characteristic with a specified UUID of a service.

参数:

uuid - Indicates the UUID of the characteristic.

返回:

Returns an Optional object if the characteristic is found; returns Optional#empty() otherwise.

从以下版本开始:

1

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.