アプリを構築してテストする

class MyApplication : Application() {
    override fun onCreate() {
        super.onCreate()

        TerminalApplicationDelegate.onCreate(this)
    }
}

private fun discoverReaders() {
    Terminal.getInstance().discoverReaders(
        config = HandoffDiscoveryConfiguration(),
        discoveryListener = object : DiscoveryListener {
            override fun onUpdateDiscoveredReaders(readers: List<Reader>) {
                // In handoff discovery, the list will
                // contain a single reader. Connect to
                // the reader after it is discovered.
                readers.firstOrNull()?.let { reader ->
                    connectReader(reader)
                }
            }
        },
        callback = object : Callback {
            override fun onSuccess() {
                // Handle successfully discovering readers
            }

            override fun onFailure(e: TerminalException) {
                // Handle exception while discovering readers
            }
        }
    )
}

private fun connectReader(reader: Reader) {
    Terminal.getInstance().connectReader(
        reader,
        ConnectionConfiguration.HandoffConnectionConfiguration(
            object : HandoffReaderListener {
                override fun onDisconnect(reason: DisconnectReason) {
                    // Optionally get notified about reader disconnects (for example, reader was rebooted)
                }

                override fun onReportReaderEvent(event: ReaderEvent) {
                    // Optionally get notified about reader events (for example, a card was inserted)
                }
            }
        ),
        object : ReaderCallback {
            override fun onSuccess(reader: Reader) {
                // Handle successfully connecting to the reader
            }

            override fun onFailure(e: TerminalException) {
                // Handle exception when connecting to the reader
            }
        }
    )
}