Reader
public
final
class
Reader
extends Object
java.lang.Object | |
↳ | android.se.omapi.Reader |
Instances of this class represent Secure Element Readers supported to this device. These Readers can be physical devices or virtual devices. They can be removable or not. They can contain Secure Element that can or cannot be removed.
See also:
Summary
Public methods | |
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void
|
closeSessions()
Close all the sessions opened on this reader. |
String
|
getName()
Return the name of this reader. |
SEService
|
getSEService()
Return the Secure Element service this reader is bound to. |
boolean
|
isSecureElementPresent()
Check if a Secure Element is present in this reader. |
Session
|
openSession()
Connects to a Secure Element in this reader. |
Inherited methods | |
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Public methods
closeSessions
public void closeSessions ()
Close all the sessions opened on this reader. All the channels opened by all these sessions will be closed.
getName
public String getName ()
Return the name of this reader.
- If this reader is a SIM reader, then its name must be "SIM[Slot]".
- If the reader is a SD or micro SD reader, then its name must be "SD[Slot]"
- If the reader is a embedded SE reader, then its name must be "eSE[Slot]"
Returns | |
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String |
the reader name, as a String.
This value cannot be null . |
getSEService
public SEService getSEService ()
Return the Secure Element service this reader is bound to.
Returns | |
---|---|
SEService |
the SEService object.
This value cannot be null . |
isSecureElementPresent
public boolean isSecureElementPresent ()
Check if a Secure Element is present in this reader.
Returns | |
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boolean |
true if the SE is present, false otherwise. |
Throws | |
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IllegalStateException |
if the service is not connected |
openSession
public Session openSession ()
Connects to a Secure Element in this reader.
This method prepares (initialises) the Secure Element for communication
before the Session object is returned (e.g. powers the Secure Element by
ICC ON if its not already on). There might be multiple sessions opened at
the same time on the same reader. The system ensures the interleaving of
APDUs between the respective sessions.
Returns | |
---|---|
Session |
a Session object to be used to create Channels.
This value cannot be null . |
Throws | |
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IOException |
if something went wrong with the communicating to the Secure Element or the reader. |