Example usage for android.nfc Tag getTechList

Introduction

In this page you can find the example usage for android.nfc Tag getTechList.

Prototype

public String[] getTechList() 

Source Link

Document

Get the technologies available in this tag, as fully qualified class names.

Usage

From source file:jp.co.brilliantservice.android.writertdtext.HomeActivity.java

@Override
protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);

    String action = intent.getAction();
    if (TextUtils.isEmpty(action))
        return;// w  ww  .ja v  a 2 s . co m

    if (!action.equals(NfcAdapter.ACTION_TECH_DISCOVERED))
        return;

    // NdefMessage?
    String languageCode = "en";
    String text = String.format("Hello, World.(%s)", DATE_FORMAT.format(System.currentTimeMillis()));
    NdefMessage message = createTextMessage(text, languageCode);

    // ??????????
    Tag tag = (Tag) intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
    List<String> techList = Arrays.asList(tag.getTechList());
    if (techList.contains(Ndef.class.getName())) {
        Ndef ndef = Ndef.get(tag);
        writeNdefToNdefTag(ndef, message);

        Toast.makeText(getApplicationContext(), "wrote NDEF to NDEF tag", Toast.LENGTH_SHORT).show();
    } else if (techList.contains(NdefFormatable.class.getName())) {
        NdefFormatable ndef = NdefFormatable.get(tag);
        writeNdefToNdefFormatable(ndef, message);

        Toast.makeText(getApplicationContext(), "wrote NDEF to NDEFFormatable tag", Toast.LENGTH_SHORT).show();
    } else {
        Toast.makeText(getApplicationContext(), "NDEF Not Supported", Toast.LENGTH_SHORT).show();
    }
}

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From source file:com.codebutler.farebot.activity.AddKeyActivity.java

@Override
protected void onNewIntent(Intent intent) {
    Tag tag = intent.getParcelableExtra("android.nfc.extra.TAG");
    mTagId = Utils.getHexString(tag.getId(), "");

    if (ArrayUtils.contains(tag.getTechList(), "android.nfc.tech.MifareClassic")) {
        mCardType = "MifareClassic";
        ((TextView) findViewById(R.id.card_type)).setText("MIFARE Classic");
        ((TextView) findViewById(R.id.card_id)).setText(mTagId);
        ((TextView) findViewById(R.id.key_data)).setText(Utils.getHexString(mKeyData, "").toUpperCase());

        findViewById(R.id.directions).setVisibility(View.GONE);
        findViewById(R.id.info).setVisibility(View.VISIBLE);
        findViewById(R.id.add).setVisibility(View.VISIBLE);

    } else {// w  w  w.  j  a v  a2s.c  o  m
        new AlertDialog.Builder(this).setMessage(R.string.card_keys_not_supported)
                .setPositiveButton(android.R.string.ok, null).show();
    }
}

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From source file:jp.co.brilliantservice.android.writertduri.HomeActivity.java

@Override
protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);

    String action = intent.getAction();
    if (TextUtils.isEmpty(action))
        return;//from   w w  w .  j  a  va 2 s  . c o m

    if (!action.equals(NfcAdapter.ACTION_TECH_DISCOVERED))
        return;

    // NdefMessage?
    String uri = "http://www.brilliantservice.co.jp/";
    NdefMessage message = createUriMessage(uri);

    // ??????????
    Tag tag = (Tag) intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
    List<String> techList = Arrays.asList(tag.getTechList());
    if (techList.contains(Ndef.class.getName())) {
        Ndef ndef = Ndef.get(tag);
        writeNdefToNdefTag(ndef, message);

        Toast.makeText(getApplicationContext(), "wrote NDEF to NDEF tag", Toast.LENGTH_SHORT).show();
    } else if (techList.contains(NdefFormatable.class.getName())) {
        NdefFormatable ndef = NdefFormatable.get(tag);
        writeNdefToNdefFormatable(ndef, message);

        Toast.makeText(getApplicationContext(), "wrote NDEF to NDEFFormatable tag", Toast.LENGTH_SHORT).show();
    } else {
        Toast.makeText(getApplicationContext(), "NDEF Not Supported", Toast.LENGTH_SHORT).show();
    }
}

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From source file:com.tananaev.passportreader.MainActivity.java

@Override
public void onNewIntent(Intent intent) {
    if (NfcAdapter.ACTION_TECH_DISCOVERED.equals(intent.getAction())) {
        Tag tag = intent.getExtras().getParcelable(NfcAdapter.EXTRA_TAG);
        if (Arrays.asList(tag.getTechList()).contains("android.nfc.tech.IsoDep")) {
            SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
            String passportNumber = preferences.getString(KEY_PASSPORT_NUMBER, null);
            String expirationDate = convertDate(preferences.getString(KEY_EXPIRATION_DATE, null));
            String birthDate = convertDate(preferences.getString(KEY_BIRTH_DATE, null));
            if (passportNumber != null && !passportNumber.isEmpty() && expirationDate != null
                    && !expirationDate.isEmpty() && birthDate != null && !birthDate.isEmpty()) {
                BACKeySpec bacKey = new BACKey(passportNumber, birthDate, expirationDate);
                new ReadTask(IsoDep.get(tag), bacKey).execute();
                mainLayout.setVisibility(View.GONE);
                loadingLayout.setVisibility(View.VISIBLE);
            } else {
                Snackbar.make(passportNumberView, R.string.error_input, Snackbar.LENGTH_SHORT).show();
            }//from w  w  w .j av  a2s. co m
        }
    }
}

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From source file:de.syss.MifareClassicTool.Common.java

/**
 * Check if the tag and the device support the Mifare Classic technology.
 * @param tag The tag to check./*  w w w. ja  v  a 2  s  . c  o m*/
 * @param context The context of the package manager.
 * @return
 * <ul>
 * <li>0 - Device and tag support Mifare Classic.</li>
 * <li>-1 - Device does not support Mifare Classic.</li>
 * <li>-2 - Tag does not support Mifare Classic.</li>
 * <li>-3 - Error (tag or context is null).</li>
 * </ul>
 */
public static int checkMifareClassicSupport(Tag tag, Context context) {
    if (tag == null || context == null) {
        // Error.
        return -3;
    }

    if (Arrays.asList(tag.getTechList()).contains(MifareClassic.class.getName())) {
        // Device and tag support Mifare Classic.
        return 0;

        // This is no longer valid. There are some devices (e.g. LG's F60)
        // that have this system feature but no Mifare Classic support.
        // (The F60 has a Broadcom NFC controller.)
        /*
        } else if (context.getPackageManager().hasSystemFeature(
        "com.nxp.mifare")){
            // Tag does not support Mifare Classic.
            return -2;
        */

    } else {
        // Check if device does not support Mifare Classic.
        // For doing so, check if the ATQA + SAK of the tag indicate that
        // it's a Mifare Classic tag.
        // See: http://www.nxp.com/documents/application_note/AN10833.pdf
        // (Table 5 and 6)
        // 0x28 is for some emulated tags.
        NfcA nfca = NfcA.get(tag);
        byte[] atqa = nfca.getAtqa();
        if (atqa[1] == 0
                && (atqa[0] == 4 || atqa[0] == (byte) 0x44 || atqa[0] == 2 || atqa[0] == (byte) 0x42)) {
            // ATQA says it is most likely a Mifare Classic tag.
            byte sak = (byte) nfca.getSak();
            if (sak == 8 || sak == 9 || sak == (byte) 0x18 || sak == (byte) 0x88 || sak == (byte) 0x28) {
                // SAK says it is most likely a Mifare Classic tag.
                // --> Device does not support Mifare Classic.
                return -1;
            }
        }
        // Nope, it's not the device (most likely).
        // The tag does not support Mifare Classic.
        return -2;
    }
}

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From source file:net.zjy.zxcardumper.Common.java

/**
 * Check if the tag and the device support the MIFARE Classic technology.
 * @param tag The tag to check.//from   w  ww  .jav a  2s  .  c o  m
 * @param context The context of the package manager.
 * @return
 * <ul>
 * <li>0 - Device and tag support MIFARE Classic.</li>
 * <li>-1 - Device does not support MIFARE Classic.</li>
 * <li>-2 - Tag does not support MIFARE Classic.</li>
 * <li>-3 - Error (tag or context is null).</li>
 * </ul>
 */
public static int checkMifareClassicSupport(Tag tag, Context context) {
    if (tag == null || context == null) {
        // Error.
        return -3;
    }

    if (Arrays.asList(tag.getTechList()).contains(MifareClassic.class.getName())) {
        // Device and tag support MIFARE Classic.
        return 0;

        // This is no longer valid. There are some devices (e.g. LG's F60)
        // that have this system feature but no MIFARE Classic support.
        // (The F60 has a Broadcom NFC controller.)
        /*
        } else if (context.getPackageManager().hasSystemFeature(
        "com.nxp.mifare")){
            // Tag does not support MIFARE Classic.
            return -2;
        */

    } else {
        // Check if device does not support MIFARE Classic.
        // For doing so, check if the ATQA + SAK of the tag indicate that
        // it's a MIFARE Classic tag.
        // See: http://www.nxp.com/documents/application_note/AN10833.pdf
        // (Table 5 and 6)
        // 0x28 is for some emulated tags.
        NfcA nfca = NfcA.get(tag);
        byte[] atqa = nfca.getAtqa();
        if (atqa[1] == 0
                && (atqa[0] == 4 || atqa[0] == (byte) 0x44 || atqa[0] == 2 || atqa[0] == (byte) 0x42)) {
            // ATQA says it is most likely a MIFARE Classic tag.
            byte sak = (byte) nfca.getSak();
            if (sak == 8 || sak == 9 || sak == (byte) 0x18 || sak == (byte) 0x88 || sak == (byte) 0x28) {
                // SAK says it is most likely a MIFARE Classic tag.
                // --> Device does not support MIFARE Classic.
                return -1;
            }
        }
        // Nope, it's not the device (most likely).
        // The tag does not support MIFARE Classic.
        return -2;
    }
}

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From source file:st.alr.homA.ActivityQuickpublishNfc.java

@Override
protected void onNewIntent(Intent intent) {
    Log.v(this.toString(), "write mode: " + writeMode);
    if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(intent.getAction()) && writeMode == true) {
        Tag mytag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        Log.v(this.toString(), "Detected tag: " + mytag.toString());
        Log.v(this.toString(), "techlist:" + mytag.getTechList());

        ArrayList<Quickpublish> qps = adapter.getValues();
        if (qps.size() < 1) {
            publishProgress(getResources().getString(R.string.nfcWriteDialogTagNoContent), false);
            return;
        }/*from www  .j  a  v a 2 s.  c o m*/

        if (write(Quickpublish.toJsonString(qps), mytag)) {
            Log.v(this.toString(), "Write ok");
            publishProgress(getResources().getString(R.string.nfcWriteDialogTagSuccess), true);

        } else {
            Log.e(this.toString(), "Write fail");
        }
    }
}

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From source file:foundme.uniroma2.it.professore.HomeActivity.java

private void handleIntent(Intent intent) {
    String action = intent.getAction();

    if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) {

        String type = intent.getType();
        if (Variables_it.MIME_TEXT_PLAIN.equals(type)) {

            Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
            new NdefReaderTask().execute(tag);

        }//from   www  .j  av a 2s  .  c  om
    } else if (NfcAdapter.ACTION_TECH_DISCOVERED.equals(action)) {

        // In questo caso usermo la Tech Discovered Intent
        Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        String[] techList = tag.getTechList();
        String searchedTech = Ndef.class.getName();

        for (String tech : techList) {
            if (searchedTech.equals(tech)) {
                new NdefReaderTask().execute(tag);
                break;
            }
        }
    }
}

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From source file:se.anyro.nfc_reader.TagViewer.java

private String dumpTagData(Parcelable p) {
    StringBuilder sb = new StringBuilder();
    Tag tag = (Tag) p;
    byte[] id = tag.getId();
    sb.append("Tag ID (hex): ").append(getHex(id)).append("\n");
    sb.append("Tag ID (dec): ").append(getDec(id)).append("\n");
    sb.append("ID (reversed): ").append(getReversed(id)).append("\n");

    String prefix = "android.nfc.tech.";
    sb.append("Technologies: ");
    for (String tech : tag.getTechList()) {
        sb.append(tech.substring(prefix.length()));
        sb.append(", ");
    }/*from  w  w w . j ava  2s  .co  m*/
    sb.delete(sb.length() - 2, sb.length());
    for (String tech : tag.getTechList()) {
        if (tech.equals(MifareClassic.class.getName())) {
            sb.append('\n');
            MifareClassic mifareTag = MifareClassic.get(tag);
            String type = "Unknown";
            switch (mifareTag.getType()) {
            case MifareClassic.TYPE_CLASSIC:
                type = "Classic";
                break;
            case MifareClassic.TYPE_PLUS:
                type = "Plus";
                break;
            case MifareClassic.TYPE_PRO:
                type = "Pro";
                break;
            }
            sb.append("Mifare Classic type: ");
            sb.append(type);
            sb.append('\n');

            sb.append("Mifare size: ");
            sb.append(mifareTag.getSize() + " bytes");
            sb.append('\n');

            sb.append("Mifare sectors: ");
            sb.append(mifareTag.getSectorCount());
            sb.append('\n');

            sb.append("Mifare blocks: ");
            sb.append(mifareTag.getBlockCount());
        }

        if (tech.equals(MifareUltralight.class.getName())) {
            sb.append('\n');
            MifareUltralight mifareUlTag = MifareUltralight.get(tag);
            String type = "Unknown";
            switch (mifareUlTag.getType()) {
            case MifareUltralight.TYPE_ULTRALIGHT:
                type = "Ultralight";
                break;
            case MifareUltralight.TYPE_ULTRALIGHT_C:
                type = "Ultralight C";
                break;
            }
            sb.append("Mifare Ultralight type: ");
            sb.append(type);
        }
    }

    return sb.toString();
}

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