Updated on 2026-08-14

This commit is contained in:
Tangem 2020-02-11 10:38:12 +03:00
parent 3e26e9ee19
commit a1e6201915
11 changed files with 224 additions and 29 deletions

View file

@ -206,4 +206,6 @@ class CardManager(
terminalKeys = terminalKeys
)
}
companion object
}

View file

@ -13,13 +13,13 @@ interface CardManagerDelegate {
/**
* It is called when user is expected to scan a Tangem Card with an Android device.
*/
fun onNfcSessionStarted()
fun onNfcSessionStarted(cardId: String?)
/**
* It is called when security delay is triggered by the card.
* A user is expected to hold the card until the security delay is over.
*/
fun onSecurityDelay(ms: Int)
fun onSecurityDelay(ms: Int, totalDurationSeconds: Int)
/**
* It is called when user takes the card away from the Android device during the scanning

View file

@ -24,7 +24,7 @@ sealed class TaskError(description: String? = null) : Exception(description) {
class Busy() : TaskError()
class TagLost() : TaskError()
class ErrorProcessingCommand : TaskError()
class ErrorProcessingCommand(description: String? = null) : TaskError(description)
class InvalidState : TaskError()
class InsNotSupported : TaskError()
class InvalidParams : TaskError()
@ -73,6 +73,7 @@ abstract class Task<T> {
var delegate: CardManagerDelegate? = null
var reader: CardReader? = null
var performPreflightRead: Boolean = true
var securityDelayDuration: Int = 0
/**
* This method should be called to run the [Task] and perform all its operations.
@ -82,7 +83,7 @@ abstract class Task<T> {
*/
fun run(cardEnvironment: CardEnvironment,
callback: (result: TaskEvent<T>) -> Unit) {
delegate?.onNfcSessionStarted()
delegate?.onNfcSessionStarted(cardEnvironment.cardId)
reader?.openSession()
Log.i(this::class.simpleName!!, "Nfc task is started")
@ -161,7 +162,7 @@ abstract class Task<T> {
StatusWord.NeedPause -> {
// When NeedPause is returned from the card whenever security delay is triggered.
val remainingTime = command.deserializeSecurityDelay(responseApdu, cardEnvironment)
if (remainingTime != null) delegate?.onSecurityDelay(remainingTime)
if (remainingTime != null) delegate?.onSecurityDelay(remainingTime, securityDelayDuration)
Log.i(this::class.simpleName!!, "Nfc command ${command::class.simpleName!!} triggered security delay of $remainingTime milliseconds")
sendRequest(command, commandApdu, cardEnvironment, callback)
}