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BarcodeScannerInterface.kt
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BarcodeScannerInterface.kt
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package com.spozebra.zebrarfidsledsample.barcode
import android.content.Context
import com.spozebra.zebrarfidsledsample.ScanConnectionEnum
import com.zebra.rfid.api3.InvalidUsageException
import com.zebra.rfid.api3.OperationFailureException
import com.zebra.scannercontrol.*
import java.util.*
class BarcodeScannerInterface(val listener : IBarcodeScannedListener): IDcsSdkApiDelegate {
private var sdkHandler: SDKHandler? = null
fun connect(context : Context) : Boolean {
if(sdkHandler == null)
sdkHandler = SDKHandler(context)
sdkHandler!!.dcssdkSetOperationalMode(DCSSDKDefs.DCSSDK_MODE.DCSSDK_OPMODE_BT_NORMAL)
sdkHandler!!.dcssdkSetOperationalMode(DCSSDKDefs.DCSSDK_MODE.DCSSDK_OPMODE_BT_LE)
sdkHandler!!.dcssdkSetOperationalMode(DCSSDKDefs.DCSSDK_MODE.DCSSDK_OPMODE_USB_CDC)
sdkHandler!!.dcssdkSetDelegate(this);
var notifications_mask = 0
notifications_mask = notifications_mask or (DCSSDKDefs.DCSSDK_EVENT.DCSSDK_EVENT_SCANNER_APPEARANCE.value or
DCSSDKDefs.DCSSDK_EVENT.DCSSDK_EVENT_SCANNER_DISAPPEARANCE.value)
notifications_mask = notifications_mask or (DCSSDKDefs.DCSSDK_EVENT.DCSSDK_EVENT_SESSION_ESTABLISHMENT.value or
DCSSDKDefs.DCSSDK_EVENT.DCSSDK_EVENT_SESSION_TERMINATION.value)
notifications_mask = notifications_mask or DCSSDKDefs.DCSSDK_EVENT.DCSSDK_EVENT_BARCODE.value
// subscribe to events set in notification mask
sdkHandler!!.dcssdkSubsribeForEvents(notifications_mask)
sdkHandler!!.dcssdkEnableAvailableScannersDetection(true)
val scannerInfoList : ArrayList<DCSScannerInfo> = ArrayList()
sdkHandler!!.dcssdkGetAvailableScannersList(scannerInfoList)
try {
val scanner = scannerInfoList[0]
if(scanner.isActive)
return true
// Connect
var result = sdkHandler!!.dcssdkEstablishCommunicationSession(scanner.scannerID)
return result == DCSSDKDefs.DCSSDK_RESULT.DCSSDK_RESULT_SUCCESS
} catch (e: Exception) {
return false
}
}
fun onDestroy() {
try {
if (sdkHandler != null) {
sdkHandler = null
}
} catch (e: InvalidUsageException) {
e.printStackTrace()
} catch (e: OperationFailureException) {
e.printStackTrace()
} catch (e: Exception) {
e.printStackTrace()
}
}
override fun dcssdkEventScannerAppeared(p0: DCSScannerInfo?) {
}
override fun dcssdkEventScannerDisappeared(p0: Int) {
}
override fun dcssdkEventCommunicationSessionEstablished(p0: DCSScannerInfo?) {
}
override fun dcssdkEventCommunicationSessionTerminated(p0: Int) {
}
override fun dcssdkEventBarcode(p0: ByteArray?, p1: Int, p2: Int) {
val barcode = String(p0!!)
listener.newBarcodeScanned(barcode)
}
override fun dcssdkEventImage(p0: ByteArray?, p1: Int) {
}
override fun dcssdkEventVideo(p0: ByteArray?, p1: Int) {
}
override fun dcssdkEventBinaryData(p0: ByteArray?, p1: Int) {
}
override fun dcssdkEventFirmwareUpdate(p0: FirmwareUpdateEvent?) {
}
override fun dcssdkEventAuxScannerAppeared(p0: DCSScannerInfo?, p1: DCSScannerInfo?) {
}
}