程序包 ohos.nfc.oma

类 Aid

java.lang.Object

ohos.nfc.oma.Aid

public class Aid
extends Object

Provides interfaces to create Aid objects and obtain Aid information.

The interfaces can be used to create Aid objects, check validity of Aid objects, and define common Aid values. The Aid object is used to enable a basic or logical channel in Session.

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SystemCapability

SystemCapability.Communication.NFC

字段概要

字段

限定符和类型	字段	说明
static String	AID_CRS	Indicates the CRS value.
static String	AID_PPSE	Indicates the PPSE value.
static String	AID_PSE	Indicates the PSE value.

构造器概要

构造器

构造器	说明
Aid(byte[] aid, int offset, int length)	A constructor used to create an Aid instance.

方法概要

限定符和类型	方法	说明
byte[]	getAidBytes()	Obtains the value of Aid in byte array format.
boolean	isAidValid()	Checks whether an Aid is valid.

从类继承的方法 java.lang.Object

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

字段详细资料

AID_CRS

public static final String AID_CRS

Indicates the CRS value.

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另请参阅:

常量字段值

AID_PPSE

public static final String AID_PPSE

Indicates the PPSE value.

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另请参阅:

常量字段值

AID_PSE

public static final String AID_PSE

Indicates the PSE value.

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另请参阅:

常量字段值

构造器详细资料

Aid

public Aid(byte[] aid,
           int offset,
           int length)

A constructor used to create an Aid instance.

参数:

aid - Indicates the Aid byte array.

offset - Indicates the initial offset of the Aid byte array.

length - Indicates the byte length of the Aid.

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方法详细资料

isAidValid

public boolean isAidValid()

Checks whether an Aid is valid.

返回:

Returns true if the Aid is valid; returns false otherwise.

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getAidBytes

public byte[] getAidBytes()

Obtains the value of Aid in byte array format.

返回:

Returns the value of Aid in byte array format.

从以下版本开始:

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