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Updated on 2026-08-14

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Tangem 2020-01-17 14:47:51 +03:00
commit 186f9a6488
7 changed files with 212 additions and 62 deletions
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92
app/src/main/java/com/tangem/ui/fragment/MainFragment.kt
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@ -35,6 +35,9 @@ import com.tangem.tangem_card.tasks.ReadCardInfoTask
import com.tangem.tangem_sdk.android.data.PINStorage
import com.tangem.tangem_sdk.android.nfc.NfcDeviceAntennaLocation
import com.tangem.tangem_sdk.android.reader.NfcReader
import com.tangem.tangem_sdk.android.reader.NfcVReader
import com.tangem.tangem_sdk.android.reader.ReadResult
import com.tangem.tangem_sdk.android.reader.ReadSlixTagTask
import com.tangem.tangem_sdk.data.EXTRA_TANGEM_CARD
import com.tangem.tangem_sdk.data.EXTRA_TANGEM_CARD_UID
import com.tangem.tangem_sdk.data.loadFromBundle
@ -170,7 +173,7 @@ class MainFragment : BaseFragment(), NavigationResultListener, NfcAdapter.Reader
return
}
parseNfcvTag(tag)
NfcV.get(tag)?.let { onNfcVDiscovered(it, tag.id) }
try {
// get IsoDep handle and run cardReader thread
@ -195,74 +198,41 @@ class MainFragment : BaseFragment(), NavigationResultListener, NfcAdapter.Reader
}
}
private fun parseNfcvTag(tag: Tag) {
if (NfcV.get(tag) != null) {
if (Ndef.get(tag) != null) {
try {
onNdefDiscovered(Ndef.get(tag), tag.id)
} catch (e: Exception) {
e.printStackTrace()
(activity as MainActivity).nfcManager.notifyReadResult(false)
}
return
} else {
(activity as MainActivity).nfcManager.notifyReadResult(false)
return
}
}
}
private fun onNdefDiscovered(ndef: Ndef, uid: ByteArray) {
private fun onNfcVDiscovered(nfcV: NfcV, uid: ByteArray) {
scope.launch {
when (val readResult = ReadSlixTagTask(NfcVReader(nfcV)).read()) {
is ReadResult.Failure -> (activity as MainActivity).nfcManager.notifyReadResult(false)
is ReadResult.Success -> {
try {
val tlvs = readResult.tlvs
val cardDataTlv = TLVList.fromBytes((tlvs.getTLV(TLV.Tag.TAG_CardData)).Value)
Log.v(TAG, "\n" + tlvs.getParsedTLVs(""))
val card = TangemCard(uid.toString())
card.batch = cardDataTlv.getTLV(TLV.Tag.TAG_Batch).asHexString
card.setIssuer(cardDataTlv.getTLV(TLV.Tag.TAG_Issuer_ID).Value.toString(), null)
card.blockchainID = Blockchain.StellarTag.id
card.walletPublicKey = tlvs.getTLV(TLV.Tag.TAG_Wallet_PublicKey).Value
card.status = TangemCard.Status.Loaded
card.tagSignature = tlvs.getTLV(TLV.Tag.TAG_Signature).Value
val ctx = TangemContext(card)
val engineCoin = XlmTagEngine(ctx)
engineCoin.defineWallet()
launch(Dispatchers.Main) {
try {
ndef.connect()
val records = ndef.ndefMessage.records
for (record in records) {
if (record.toUri() != null) {
when (record.toUri().toString()) {
"vnd.android.nfc://ext/tangem.com:wallet" -> {
//mConsole.write(Util.bytesToHex(record.getPayload()), MessageAdapter.MSG_OKAY, "", null, false);
val payload = record.payload
Log.v(TAG, "tangem.com:wallet[${payload.size} bytes]:")
try {
val tlvNDEF: TLVList = TLVList.fromBytes(Arrays.copyOfRange(payload, 2, payload.size))
val cardDataTlv = TLVList.fromBytes((tlvNDEF.getTLV(TLV.Tag.TAG_CardData)).Value)
Log.v(TAG, "\n" + tlvNDEF.getParsedTLVs(""))
val card = TangemCard(uid.toString())
card.batch = cardDataTlv.getTLV(TLV.Tag.TAG_Batch).asHexString
card.setIssuer(cardDataTlv.getTLV(TLV.Tag.TAG_Issuer_ID).Value.toString(), null)
card.blockchainID = Blockchain.StellarTag.id
card.walletPublicKey = tlvNDEF.getTLV(TLV.Tag.TAG_Wallet_PublicKey).Value
card.status = TangemCard.Status.Loaded
card.tagSignature = tlvNDEF.getTLV(TLV.Tag.TAG_Signature).Value
val ctx = TangemContext(card)
val engineCoin = XlmTagEngine(ctx)
engineCoin.defineWallet()
launch(Dispatchers.Main) {
val bundle = Bundle()
bundle.putParcelable(Constant.EXTRA_LAST_DISCOVERED_TAG, lastTag)
ctx.saveToBundle(bundle)
navigateForResult(Constant.REQUEST_CODE_SHOW_CARD_ACTIVITY,
R.id.action_main_to_tagFragment, bundle)
}
} catch (e: TLVException) {
e.printStackTrace()
Log.v(TAG, e.message)
}
}
else -> Log.v(TAG, record.toUri().toString())
val bundle = Bundle()
bundle.putParcelable(Constant.EXTRA_LAST_DISCOVERED_TAG, lastTag)
ctx.saveToBundle(bundle)
navigateForResult(Constant.REQUEST_CODE_SHOW_CARD_ACTIVITY,
R.id.action_main_to_tagFragment, bundle)
}
} catch (e: TLVException) {
e.printStackTrace()
Log.v(TAG, e.message)
}
}
} catch (e: Exception) {
e.printStackTrace()
(activity as MainActivity).nfcManager.notifyReadResult(false)
}
}
}