fozilbekimomov/NFC-SmartCard-Humo-Atto-Visa-UnionPay-Info-Reader

NFC-SmartCard-Humo-Atto-Visa-UnionPay-Info-Reader

NFC Reader is an Android App based on NFCard. It can read contactless IC card use NFC hardware. Support ISO7816-4.It lib read data from cards like HUMO,ATTO,VISA AND UNION PAY

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package uz.micro.star.nfcsmartcardinforeader

import android.content.Intent
import android.nfc.NfcAdapter
import android.os.Bundle
import android.os.Handler
import android.util.Log
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import com.peerbits.creditCardNfcReader.CardNfcAsyncTask
import com.peerbits.creditCardNfcReader.utils.CardNfcUtils
import uz.micro.star.humo_atto_visa_union_pay_nfc_info_reader.nfc.CardNfcManager
import uz.micro.star.humo_atto_visa_union_pay_nfc_info_reader.nfc.SPEC
import uz.micro.star.humo_atto_visa_union_pay_nfc_info_reader.nfc.bean.Card
import uz.micro.star.nfcsmartcardinforeader.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity(), CardNfcAsyncTask.CardNfcInterface {
private lateinit var binding: ActivityMainBinding
private lateinit var mCardNfcManager: CardNfcManager
private var mSafeExit = false

private var mCardNfcAsyncTask: CardNfcAsyncTask? = null
private var mNfcAdapter: NfcAdapter? = null
private var mIntentFromCreate = false

private var card: String? = null
private var cardType: String? = null
private var expiredDate: String? = null
private var mIsScanNow = false
private var mCardNfcUtils: CardNfcUtils? = null

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    binding = ActivityMainBinding.inflate(layoutInflater)
    setContentView(binding.root)
    mNfcAdapter = NfcAdapter.getDefaultAdapter(this)
    if (mNfcAdapter == null) {
        /* TextView noNfc = findViewById(android.R.id.candidatesArea);
        noNfc.setVisibility(View.VISIBLE);*/
    } else {
        mCardNfcUtils = CardNfcUtils(this)
        mIntentFromCreate = true
//onNewIntent(intent)
    }
    mCardNfcManager =
        CardNfcManager(
            this
        )
    onNewIntent(intent)
}

override fun onNewIntent(intent: Intent?) {
    super.onNewIntent(intent)
    if (!mCardNfcManager.readCard(intent) { event, objs ->
            if (event == SPEC.EVENT.IDLE) {
                //            showProgressBar();
            } else if (event == SPEC.EVENT.FINISHED) {
                //            hideProgressBar();
                val card: Card? = if (objs.isNotEmpty()) objs[0] as Card? else null
                buildResult(card)
            }
        }) {
        Toast.makeText(this, "Xatolik !!!!", Toast.LENGTH_SHORT).show()
    }
    if (mNfcAdapter != null && mNfcAdapter!!.isEnabled) {
        mCardNfcAsyncTask = CardNfcAsyncTask.Builder(this, intent, mIntentFromCreate)
            .build()
    }
}

private fun buildResult(card: Card?) {
    if (card != null && !card.hasReadingException()) {
        if (card.isUnknownCard) {
//ret.putExtra(RET, NfcReaderApplication.getStringResource(R.string.info_nfc_unknown));
        } else {
            binding.nfcInfo.text =
                card.serialAndDate.cardNumber + "\n" + card.serialAndDate.cardExpiredDate
            Toast.makeText(this, binding.nfcInfo.text.toString(), Toast.LENGTH_SHORT).show()
            Log.d("SERIAL", "buildResult: " + binding.nfcInfo.text.toString())
        }
    } else {
//ret.putExtra(RET,NfcReaderApplication.getStringResource(R.string.info_nfc_error));
    }
}

override fun onBackPressed() {
    if (mSafeExit) {
        super.onBackPressed()
    }
}

override fun onPause() {
    mCardNfcManager.onPause()
    super.onPause()
}

override fun onResume() {
    super.onResume()
    mCardNfcManager.onResume()
}

override fun onWindowFocusChanged(hasFocus: Boolean) {
    if (hasFocus) {
        if (mCardNfcManager.updateStatus()) {
            //loadDefaultPage
        }
        Handler().postDelayed({ mSafeExit = true }, 800)
    } else {
        mSafeExit = false
    }
}

override fun startNfcReadCard() {
    mIsScanNow = true
}

override fun cardIsReadyToRead() {
    card = mCardNfcAsyncTask?.cardNumber
    card = getPrettyCardNumber(card!!)
    expiredDate = mCardNfcAsyncTask?.cardExpireDate
    cardType = mCardNfcAsyncTask?.cardType
// val cardHolderFirstName: String = mCardNfcAsyncTask?.cardFirstName!!
//val cardHolderLastName: String = mCardNfcAsyncTask?.cardFirstName!!
    val cardCvv: Int = mCardNfcAsyncTask?.cardCvv!!
    binding.nfcInfo.text =
        card + "\n" + expiredDate + "\n" + cardType


    /*   mPutCardContent.setVisibility(View.GONE);
    mCardNumberText.setText(card + cardType);
    mExpireDateText.setText(expiredDate);*/
    Toast.makeText(this, "Details: \n$card \n$cardType \n$expiredDate \n$cardCvv", Toast.LENGTH_SHORT).show()
    parseCardType(cardType!!)
}

override fun doNotMoveCardSoFast() {

}

override fun unknownEmvCard() {

}

override fun cardWithLockedNfc() {

}

override fun finishNfcReadCard() {
    mCardNfcAsyncTask = null
    mIsScanNow = false
}

private fun getPrettyCardNumber(card: String): String {
    val div = " - "
    return (card.substring(0, 4) + div + card.substring(4, 8) + div + card.substring(8, 12)
            + div + card.substring(12, 16))
}

private fun parseCardType(cardType: String) {
    when (cardType) {
        CardNfcAsyncTask.CARD_UNKNOWN -> {
            Toast.makeText(
                this,
                "unknown",
                Toast.LENGTH_LONG
            ).show()
        }
        CardNfcAsyncTask.CARD_VISA -> {
            //   mCardLogoIcon.setImageResource(R.mipmap.visa_logo);
        }
        CardNfcAsyncTask.CARD_MASTER_CARD -> {
            //   mCardLogoIcon.setImageResource(R.mipmap.master_logo);
        }
        CardNfcAsyncTask.CARD_HUMO -> {
            Toast.makeText(this, "HUMO READING", Toast.LENGTH_SHORT).show()
        }
    }
}

}

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allprojects {

	repositories {
		...
		maven { url 'https://jitpack.io' }
	}

}

dependencies {

        implementation 'com.github.Nurdiyor:NFC-SmartCard-Humo-Atto-Visa-UnionPay-Info-Reader:0.1.0'

}

AndroidManifest.xml

<activity android:name=".MainActivity">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
        <intent-filter>
            <action android:name="android.nfc.action.TECH_DISCOVERED" />
            <action android:name="android.nfc.action.TAG_DISCOVERED" />
        </intent-filter>

        <meta-data
            android:name="android.nfc.action.TECH_DISCOVERED"
            android:resource="@xml/nfc_tech_filter" />
</activity>

android:resource="@xml/nfc_tech_filter"

<?xml version="1.0" encoding="utf-8"?>
<resources>
	 <tech-list>
    		<tech>android.nfc.tech.IsoDep</tech>
   			<tech>android.nfc.tech.NfcF</tech>
	 </tech-list>
</resources>