程序包 ohos.nfc.oma

类 SEService

java.lang.Object

ohos.nfc.oma.SEService

public final class SEService
extends Object

Provides access to secure elements on a device. You can use the interfaces provided by this class to obtain all secure elements and their names, check whether the secure element is available, and enable a session on the secure element.

After that, you can send APDU commands to secure elements.

从以下版本开始:

1

SystemCapability

SystemCapability.Communication.NFC

嵌套类概要

嵌套类

限定符和类型	类	说明
static interface	SEService.OnCallback	A callback interface used to notify your application of a successful connection to the secure element service.

构造器概要

构造器

构造器	说明
SEService(Context context, SEService.OnCallback callback)	A constructor used to create a SEService instance.

方法概要

限定符和类型	方法	说明
Reader[]	getReaders()	Obtains all secure elements.
String	getVersion()	Obtains the version of the secure element service.
boolean	isConnected()	Checks whether the secure element service is connected.
void	shutdown()	Disables the secure element service.

从类继承的方法 java.lang.Object

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

构造器详细资料

SEService

public SEService(Context context,
                 SEService.OnCallback callback)
          throws IllegalArgumentException

A constructor used to create a SEService instance.

参数:

context - Indicates the application context.

callback - Indicates the interface that is called back when the secure element service is connected.

抛出:

IllegalArgumentException - if the required context of the caller is missing.

从以下版本开始:

1

方法详细资料

isConnected

public boolean isConnected()

Checks whether the secure element service is connected.

返回:

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

从以下版本开始:

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shutdown

public void shutdown()

Disables the secure element service.

This method also disables all sessions and channels of the service.

从以下版本开始:

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getReaders

public Reader[] getReaders()

Obtains all secure elements.

返回:

Returns secure elements in array format.

从以下版本开始:

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getVersion

public String getVersion()

Obtains the version of the secure element service.

返回:

Returns the version of the secure element service.

从以下版本开始:

1