コード例 #1
0
  private void readTag(Tag t) {
    // get NDEF tag details
    Ndef ndefTag = Ndef.get(t);

    // get NDEF message details
    NdefMessage ndefMesg = ndefTag.getCachedNdefMessage();
    if (ndefMesg == null) {
      return;
    }
    NdefRecord[] ndefRecords = ndefMesg.getRecords();
    if (ndefRecords == null) {
      return;
    }
    for (NdefRecord record : ndefRecords) {
      short tnf = record.getTnf();
      String type = new String(record.getType());
      if (tnf == NdefRecord.TNF_WELL_KNOWN && Arrays.equals(type.getBytes(), NdefRecord.RTD_URI)) {
        String url = new String(record.getPayload());
        if (url.startsWith(ATTENDEE_URL_PREFIX)) {
          Intent i = new Intent(Intent.ACTION_VIEW);
          i.setData(Uri.parse("https://" + url.substring(1)));
          startActivity(i);
          return;
        }
      }
    }
  }
コード例 #2
0
ファイル: MainActivity.java プロジェクト: sodino/NFCDemo5
 private void processIntent(Intent intent) {
   Log.d("ANDROID_LAB", "processIntent...");
   Bitmap bitmap = null;
   Parcelable[] ndefMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
   if (ndefMsgs != null) {
     Log.d("ANDROID_LAB", "ndefMsgs.size=" + ndefMsgs.length);
     String str = "";
     for (int i = 0; i < ndefMsgs.length; i++) {
       NdefMessage msg = (NdefMessage) ndefMsgs[i];
       NdefRecord[] records = msg.getRecords();
       if (records != null) {
         Log.d("ANDROID_LAB", "records.size=" + records.length);
         for (int k = 0; k < records.length; k++) {
           NdefRecord record = records[k];
           byte[] data = record.getPayload();
           if (data != null) {
             if (k == 0) {
               str += new String(data);
             } else if (k == 1) {
               bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
             }
           }
         }
       }
     }
     txtPushContent.setText(str);
     if (bitmap != null) {
       txtPushContent.setCompoundDrawablesWithIntrinsicBounds(
           null, null, null, new BitmapDrawable(bitmap));
     }
   }
 }
コード例 #3
0
 /**
  * Return the length of this NDEF Message if it is written to a byte array with {@link
  * #toByteArray}.
  *
  * <p>An NDEF Message can be formatted to bytes in different ways depending on chunking, SR, and
  * ID flags, so the length returned by this method may not be equal to the length of the original
  * byte array used to construct this NDEF Message. However it will always be equal to the length
  * of the byte array produced by {@link #toByteArray}.
  *
  * @return length of this NDEF Message when written to bytes with {@link #toByteArray}
  * @see #toByteArray
  */
 public int getByteArrayLength() {
   int length = 0;
   for (NdefRecord r : mRecords) {
     length += r.getByteLength();
   }
   return length;
 }
コード例 #4
0
  /**
   * Method to send the messages over another device
   *
   * @param NfcIntent - NFC intent to pass data
   */
  private void handleNfcIntent(Intent NfcIntent) {
    if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(NfcIntent.getAction())) {
      Parcelable[] receivedArray =
          NfcIntent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);

      if (receivedArray != null) {
        messagesToReceiveQueue.clear();
        NdefMessage receivedMessage = (NdefMessage) receivedArray[0];
        NdefRecord[] linkRecords = receivedMessage.getRecords();

        for (NdefRecord record : linkRecords) {
          String message = new String(record.getPayload());
          if (!message.equals(getPackageName())) {
            messagesToReceiveQueue.add(message);
          }
        }

        Toast.makeText(
                this,
                "Total " + messagesToReceiveQueue.size() + "Messages received",
                Toast.LENGTH_LONG)
            .show();

        updateTextViews();
      } else {
        Toast.makeText(this, "Received Blank", Toast.LENGTH_LONG).show();
      }
    }
  }
コード例 #5
0
ファイル: Book_main.java プロジェクト: YousMarter/BookFinder
  void processIntent(Intent intent) throws UnsupportedEncodingException {
    Parcelable[] msgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
    NdefMessage[] nmsgs = new NdefMessage[msgs.length];
    for (int i = 0; i < msgs.length; i++) {
      nmsgs[i] = (NdefMessage) msgs[i];
    }
    NdefRecord record = nmsgs[0].getRecords()[0];
    byte[] payload = record.getPayload();
    if (payload != null) {
      if (nmsgs[0].getRecords()[0].getTnf() != 2) {
        // Toast.makeText(this, "New Text received!", Toast.LENGTH_SHORT)
        //	.show();
        // String message = String.valueOf(record.getPayload());
        String message = getTextData(record.getPayload());
        // textview = (TextView) findViewById(R.id.textView2);
        // Toast.makeText(getApplicationContext(), message, Toast.LENGTH_SHORT).show();
        // text = String.valueOf(payload);
        // textview.setText(message);
        Intent intent_nfccode = new Intent(this, Details_page.class);
        intent_nfccode.putExtra("NFC Code", message);

        startActivity(intent_nfccode);
      }
    }
  }
コード例 #6
0
ファイル: MainActivity.java プロジェクト: sodino/NFCDemo5
  @Override
  public NdefMessage createNdefMessage(NfcEvent event) {
    Log.d("ANDROID_LAB", "createNdefMessage thread.name=" + Thread.currentThread().getName());
    StringBuilder sb = new StringBuilder();
    sb.append(Build.MODEL + "("); // 手机型号
    sb.append(Build.VERSION.SDK_INT + ","); // SDK版本号
    sb.append(Build.VERSION.RELEASE + ")"); // Firmware/OS 版本号

    sb.append("发送来一条NFC消息, 时间是");
    Time time = new Time();
    time.setToNow();
    sb.append(time.format("%H:%M:%S"));

    Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.and);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.PNG, 100, baos);
    byte[] bmpData = baos.toByteArray();

    NdefRecord[] records = new NdefRecord[2];
    records[0] =
        NdefRecord.createMime("application/lab.sodino.nfc", sb.toString().getBytes()); // 文本消息
    records[1] = NdefRecord.createMime("application/lab.sodino.nfc", bmpData); // 图片消息
    //		records[2] = NdefRecord.createApplicationRecord("com.tencent.mobileqq");

    NdefMessage msg = new NdefMessage(records);

    return msg;
  }
コード例 #7
0
ファイル: NfcActivity.java プロジェクト: vtloc/glass-earth
    @Override
    protected String doInBackground(Tag... params) {
      Tag tag = params[0];

      Ndef ndef = Ndef.get(tag);
      if (ndef == null) {
        // NDEF is not supported by this Tag.
        return null;
      }

      NdefMessage ndefMessage = ndef.getCachedNdefMessage();

      NdefRecord[] records = ndefMessage.getRecords();
      for (NdefRecord ndefRecord : records) {
        if (ndefRecord.getTnf() == NdefRecord.TNF_WELL_KNOWN
            && Arrays.equals(ndefRecord.getType(), NdefRecord.RTD_TEXT)) {
          try {
            return readText(ndefRecord);
          } catch (UnsupportedEncodingException e) {
            Log.e(TAG, "Unsupported Encoding", e);
          }
        }
      }

      return null;
    }
コード例 #8
0
ファイル: UriRecord.java プロジェクト: mzon1/NFC-museum-App
  /** Parse an well known URI record */
  private static UriRecord parseWellKnown(NdefRecord record) {
    Preconditions.checkArgument(Arrays.equals(record.getType(), NdefRecord.RTD_URI));
    byte[] payload = record.getPayload();

    String prefix = URI_PREFIX_MAP.get(payload[0]);
    byte[] fullUri =
        Bytes.concat(
            prefix.getBytes(Charset.forName("UTF-8")),
            Arrays.copyOfRange(payload, 1, payload.length));
    Uri uri = Uri.parse(new String(fullUri, Charset.forName("UTF-8")));
    return new UriRecord(uri);
  }
コード例 #9
0
 @Override
 public NdefMessage createNdefMessage(final NfcEvent event) {
   NdefRecord[] records;
   if (mPermalink == null) { // no permalink yet, just provide AAR
     records = new NdefRecord[] {NdefRecord.createApplicationRecord(getPackageName())};
   } else {
     records =
         new NdefRecord[] {
           NdefRecord.createUri(mPermalink), NdefRecord.createApplicationRecord(getPackageName())
         };
   }
   return new NdefMessage(records);
 }
コード例 #10
0
ファイル: NfcScanner.java プロジェクト: jthurne/kanban-salad
  private ScanableTag messageToScanable(NdefMessage message) {
    NdefRecord record = message.getRecords()[0];

    // XXX Ignoring the first byte because it contains a flag we are not
    // paying attention to yet
    byte[] rawData = new byte[record.getPayload().length - 1];
    System.arraycopy(record.getPayload(), 1, rawData, 0, rawData.length);

    String text = decodePayload(rawData);

    String mimeType = decodePayload(record.getType());

    return new TagParser().parse(mimeType, text);
  }
コード例 #11
0
 private void printMessage(NdefRecord record) {
   byte[] id; // Id of the record
   short tnf; // TNF: See android.nfc.NdefRecord
   byte[] payload; // Payload of the record (the actual message)
   String finalMessage, id_string;
   id = record.getId();
   tnf = record.getTnf();
   payload = record.getPayload();
   id_string = DataConversion.bytesToASCIIString(id);
   receiveTab.append("\nID is " + id_string);
   receiveTab.append("\nTNF is " + tnf);
   finalMessage = DataConversion.bytesToASCIIString(payload);
   receiveTab.append("\n" + finalMessage + "\n");
 }
コード例 #12
0
    @Override
    public boolean supportsRequest(NdefRecord handoverRequest) {
      if (handoverRequest.getTnf() != NdefRecord.TNF_ABSOLUTE_URI
          || !Arrays.equals(handoverRequest.getType(), NdefRecord.RTD_URI)) {
        return false;
      }

      String uriString = new String(handoverRequest.getPayload());
      if (uriString.startsWith(BT_SOCKET_SCHEMA)) {
        return true;
      }

      return false;
    }
コード例 #13
0
 public static String parse(NdefRecord record) {
   try {
     byte[] payload = record.getPayload();
     /*
      * payload[0] contains the "Status Byte Encodings" field, per the
      * NFC Forum "Text Record Type Definition" section 3.2.1.
      *
      * bit7 is the Text Encoding Field.
      *
      * if (Bit_7 == 0): The text is encoded in UTF-8 if (Bit_7 == 1):
      * The text is encoded in UTF16
      *
      * Bit_6 is reserved for future use and must be set to zero.
      *
      * Bits 5 to 0 are the length of the IANA language code.
      */
     String textEncoding = ((payload[0] & 0200) == 0) ? "UTF-8" : "UTF-16";
     int languageCodeLength = payload[0] & 0077;
     String languageCode = new String(payload, 1, languageCodeLength, "US-ASCII");
     String text =
         new String(
             payload,
             languageCodeLength + 1,
             payload.length - languageCodeLength - 1,
             textEncoding);
     return text;
   } catch (UnsupportedEncodingException e) {
     // should never happen unless we get a malformed tag.
     throw new IllegalArgumentException(e);
   }
 }
コード例 #14
0
    private String readText(NdefRecord record) throws UnsupportedEncodingException {
      /*
       * See NFC forum specification for "Text Record Type Definition" at 3.2.1
       *
       * http://www.nfc-forum.org/specs/
       *
       * bit_7 defines encoding
       * bit_6 reserved for future use, must be 0
       * bit_5..0 length of IANA language code
       */

      byte[] payload = record.getPayload();

      // Get the Text Encoding
      String textEncoding = ((payload[0] & 128) == 0) ? "UTF-8" : "UTF-16";

      // Get the Language Code
      int languageCodeLength = payload[0] & 0063;

      // String languageCode = new String(payload, 1, languageCodeLength, "US-ASCII");
      // e.g. "en"

      // Get the Text
      return new String(
          payload, languageCodeLength + 1, payload.length - languageCodeLength - 1, textEncoding);
    }
コード例 #15
0
ファイル: TULReader.java プロジェクト: MegaDevs/Nostradamus
 public static String[] readStrings(Tag tag)
     throws IOException, FormatException, NotReadableException {
   Ndef ndefTag = Ndef.get(tag);
   if (ndefTag == null) {
     throw new NotReadableException("The tag doesn't support Ndef tech");
   }
   ndefTag.connect();
   NdefMessage message = ndefTag.getNdefMessage();
   NdefRecord[] records = message.getRecords();
   String[] out = new String[records.length];
   int i = 0;
   for (NdefRecord rec : records) {
     out[i++] = new String(rec.getPayload(), Charset.forName("UTF-8"));
   }
   ndefTag.close();
   return out;
 }
コード例 #16
0
  @Override
  protected void onHandleIntent(Intent intent) {
    intent = (Intent) intent.getExtras().get(NFC_INTENT);

    TimeloggerDatabaseOpenHelper databaseOpenHelper =
        new TimeloggerDatabaseOpenHelper(getApplicationContext());

    Log.d(NFC_TIMELOGGER, "handling following intent in service: " + intent.getAction());

    if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(intent.getAction())) {

      Parcelable[] ndefMessages = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);

      if (ndefMessages != null) {
        NdefMessage[] msgs = new NdefMessage[ndefMessages.length];
        for (int i = 0; i < ndefMessages.length; i++) {
          msgs[i] = (NdefMessage) ndefMessages[i];

          NdefRecord[] records = msgs[i].getRecords();
          for (NdefRecord ndefRecord : records) {
            String payload = new String(ndefRecord.getPayload());
            Log.d(NFC_TIMELOGGER, payload);
            NotificationManager notifManager =
                (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

            String resultAction = databaseOpenHelper.handleCategory(payload);

            Notification notification =
                new Notification.Builder(this)
                    .setContentTitle("Timelogger")
                    .setTicker(resultAction + payload)
                    .setContentText(payload)
                    .setSmallIcon(R.drawable.ic_launcher)
                    .build();
            notifManager.notify(1234, notification);
            Log.d(NFC_TIMELOGGER, "notification sent");

            Intent updateIntent = new Intent("FRAGMENT_UPDATE");
            this.sendBroadcast(updateIntent);
          }
        }
      }
    }

    databaseOpenHelper.close();
  }
コード例 #17
0
 public NdefMessage createNdefMessage() {
   return new NdefMessage(
       new NdefRecord[] {
         createMime(
             Constants.TAG_WRITER_MIME_TYPE,
             new Gson().toJson(createdDrinkerFromUserInput()).getBytes()),
         NdefRecord.createApplicationRecord(Constants.DRINKER_STATION_APP_RECORD)
       });
 }
コード例 #18
0
ファイル: UriRecord.java プロジェクト: mzon1/NFC-museum-App
 public static UriRecord parse(NdefRecord record) {
   short tnf = record.getTnf();
   if (tnf == NdefRecord.TNF_WELL_KNOWN) {
     return parseWellKnown(record);
   } else if (tnf == NdefRecord.TNF_ABSOLUTE_URI) {
     return parseAbsolute(record);
   }
   throw new IllegalArgumentException("Unknown TNF " + tnf);
 }
コード例 #19
0
ファイル: MainActivity.java プロジェクト: csse483/Scoutr
 private void processIntent(Intent intent) {
   Parcelable[] ndefMessages = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
   NdefMessage msg = (NdefMessage) ndefMessages[0];
   NdefRecord[] records = msg.getRecords();
   for (NdefRecord record : records) {
     String dataString = new String(record.getPayload());
     Scanner scanner = new Scanner(dataString);
     DataContainer dataContainer = new DataContainer();
     for (int i = 0; i < Constants.DATA_NAMES.length; i++) {
       if (Constants.DATA_FIELDS[i].equals("int")) {
         dataContainer.setData(Constants.DATA_NAMES[i], scanner.nextInt());
       } else {
         dataContainer.setData(Constants.DATA_NAMES[i], scanner.nextInt() == 1);
       }
     }
     mDBHelper.insertDataContainer(dataContainer);
   }
 }
コード例 #20
0
  /**
   * Construct an NDEF Message by parsing raw bytes.
   *
   * <p>Strict validation of the NDEF binary structure is performed: there must be at least one
   * record, every record flag must be correct, and the total length of the message must match the
   * length of the input data.
   *
   * <p>This parser can handle chunked records, and converts them into logical {@link NdefRecord}s
   * within the message.
   *
   * <p>Once the input data has been parsed to one or more logical records, basic validation of the
   * tnf, type, id, and payload fields of each record is performed, as per the documentation on on
   * {@link NdefRecord#NdefRecord(short, byte[], byte[], byte[])}
   *
   * <p>If either strict validation of the binary format fails, or basic validation during record
   * construction fails, a {@link FormatException} is thrown
   *
   * <p>Deep inspection of the type, id and payload fields of each record is not performed, so it is
   * possible to parse input that has a valid binary format and confirms to the basic validation
   * requirements of {@link NdefRecord#NdefRecord(short, byte[], byte[], byte[])}, but fails more
   * strict requirements as specified by the NFC Forum.
   *
   * <p class="note">It is safe to re-use the data byte array after construction: this constructor
   * will make an internal copy of all necessary fields.
   *
   * @param data raw bytes to parse
   * @throws FormatException if the data cannot be parsed
   */
  public NdefMessage(byte[] data) throws FormatException {
    if (data == null) throw new NullPointerException("data is null");
    ByteBuffer buffer = ByteBuffer.wrap(data);

    mRecords = NdefRecord.parse(buffer, false);

    if (buffer.remaining() > 0) {
      throw new FormatException("trailing data");
    }
  }
コード例 #21
0
ファイル: BeamUtils.java プロジェクト: huibinfeng0810/iosched
 /**
  * Checks to see if the activity's intent ({@link android.app.Activity#getIntent()}) is an NFC
  * intent that the app recognizes. If it is, then parse the NFC message and set the activity's
  * intent (using {@link android.app.Activity#setIntent(android.content.Intent)}) to something the
  * app can recognize (i.e. a normal {@link android.content.Intent#ACTION_VIEW} intent).
  */
 @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
 public static void tryUpdateIntentFromBeam(Activity activity) {
   if (UIUtils.hasICS()) {
     Intent originalIntent = activity.getIntent();
     if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(originalIntent.getAction())) {
       Parcelable[] rawMsgs =
           originalIntent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
       NdefMessage msg = (NdefMessage) rawMsgs[0];
       // Record 0 contains the MIME type, record 1 is the AAR, if present.
       // In iosched, AARs are not present.
       NdefRecord mimeRecord = msg.getRecords()[0];
       if (ScheduleContract.Sessions.CONTENT_ITEM_TYPE.equals(new String(mimeRecord.getType()))) {
         // Re-set the activity's intent to one that represents session details.
         Intent sessionDetailIntent =
             new Intent(Intent.ACTION_VIEW, Uri.parse(new String(mimeRecord.getPayload())));
         activity.setIntent(sessionDetailIntent);
       }
     }
   }
 }
コード例 #22
0
  @Override
  public NdefMessage createNdefMessage(NfcEvent event) {

    if (mInvoice != null
        && mInvoice.getPaymentUrls() != null
        && mInvoice.getPaymentUrls().getBIP72b() != null) {
      return new NdefMessage(
          new NdefRecord[] {NdefRecord.createUri(mInvoice.getPaymentUrls().getBIP72())});
    }
    return null;
  }
コード例 #23
0
ファイル: AddFriend.java プロジェクト: b-shain/mobileapps-EFT
  @Override
  public NdefMessage createNdefMessage(NfcEvent event) {

    // android.os.Build.SERIAL is sent to the other device to be paired
    String text = (android.os.Build.SERIAL + "," + userName);
    NdefMessage msg =
        new NdefMessage(
            new NdefRecord[] {
              createMimeRecord("application/edu.temple.encryptedfiletransfer", text.getBytes()),
              NdefRecord.createApplicationRecord("edu.temple.encryptedfiletransfer")
            });
    return msg;
  }
コード例 #24
0
ファイル: NFCActivity.java プロジェクト: Soblue12/Project2
 public String getTextFromNdefRecord(NdefRecord ndefRecord) {
   String tagContent = null;
   try {
     byte[] payload = ndefRecord.getPayload();
     String textEncoding = ((payload[0] & 128) == 0) ? "UTF-8" : "UTF-16";
     int languageSize = payload[0] & 0063;
     tagContent =
         new String(payload, languageSize + 1, payload.length - languageSize - 1, textEncoding);
   } catch (UnsupportedEncodingException e) {
     Log.e("getTextFromNdefRecord", e.getMessage(), e);
   }
   return tagContent;
 }
コード例 #25
0
  /**
   * Creates records to send to another device if detected those records are about to send to
   * another device
   *
   * @return NdefRecord[] - array of records to attach
   */
  public NdefRecord[] createRecords() {
    NdefRecord[] records = new NdefRecord[messagesToSendQueue.size()];

    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
      for (int counter = 0; counter < messagesToSendQueue.size(); counter++) {
        byte[] payload = messagesToSendQueue.get(counter).getBytes(Charset.forName("UTF-8"));

        NdefRecord record =
            new NdefRecord(NdefRecord.TNF_WELL_KNOWN, NdefRecord.RTD_TEXT, new byte[0], payload);

        records[counter] = record;
      }
    } else {
      for (int counter = 0; counter < messagesToSendQueue.size(); counter++) {
        byte[] payload = messagesToSendQueue.get(counter).getBytes(Charset.forName("UTF-8"));
        NdefRecord record = NdefRecord.createMime("text/plain", payload);
        records[counter] = record;
      }
    }

    records[messagesToSendQueue.size()] = NdefRecord.createApplicationRecord(getPackageName());
    return records;
  }
コード例 #26
0
ファイル: NfcActivity.java プロジェクト: vtloc/glass-earth
    private String readText(NdefRecord record) throws UnsupportedEncodingException {

      byte[] payload = record.getPayload();

      // Get the Text Encoding
      String textEncoding = ((payload[0] & 128) == 0) ? "UTF-8" : "UTF-16";

      // Get the Language Code
      int languageCodeLength = payload[0] & 0063;

      // Get the Text
      return new String(
          payload, languageCodeLength + 1, payload.length - languageCodeLength - 1, textEncoding);
    }
コード例 #27
0
 @Override
 public NdefMessage createNdefMessage(NfcEvent arg0) {
   NdefRecord uriRecord =
       new NdefRecord(
           NdefRecord.TNF_MIME_MEDIA,
           MIME_TYPE.getBytes(Charset.forName("US-ASCII")),
           new byte[0],
           beamFragment.getUrl().getBytes(Charset.forName("US-ASCII")));
   NdefMessage msg =
       new NdefMessage(
           new NdefRecord[] {
             uriRecord, NdefRecord.createApplicationRecord("com.commonsware.android.webbeam")
           });
   return (msg);
 }
コード例 #28
0
  /* Called when the activity will start interacting with the user. */
  @Override
  protected void onResume() {
    super.onResume();

    // Double check if NFC is enabled
    checkNfcEnabled();

    Log.d(TAG, "onResume: " + getIntent());

    if (getIntent().getAction() != null) {
      // tag received when app is not running and not in the foreground:
      if (getIntent().getAction().equals(NfcAdapter.ACTION_NDEF_DISCOVERED)) {
        NdefMessage[] msgs = getNdefMessagesFromIntent(getIntent());
        NdefRecord record = msgs[0].getRecords()[0];
        byte[] payload = record.getPayload();
        setTextFieldValues(new String(payload));
      }
    }

    // Enable priority for current activity to detect scanned tags
    // enableForegroundDispatch( activity, pendingIntent,
    // intentsFiltersArray, techListsArray );
    mNfcAdapter.enableForegroundDispatch(this, mNfcPendingIntent, mReadTagFilters, null);
  }
コード例 #29
0
ファイル: NdefParser.java プロジェクト: martingold/nfc-app
  private String readText(NdefRecord record) throws UnsupportedEncodingException {
    byte[] payload = record.getPayload();

    String textEncoding;
    if ((payload[0] & 128) == 0) {
      textEncoding = "UTF-8";
    } else {
      textEncoding = "UTF-16";
    }

    int languageCodeLength = payload[0] & 0063;

    return new String(
        payload, languageCodeLength + 1, payload.length - languageCodeLength - 1, textEncoding);
  }
コード例 #30
0
  @Override
  protected void onResume() {
    super.onResume();

    Intent intent = getIntent();
    String action = intent.getAction();
    if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) {
      Parcelable[] rawMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
      if (rawMsgs != null) {
        NdefMessage[] msgs = new NdefMessage[rawMsgs.length];
        for (int i = 0; i < rawMsgs.length; i++) {
          msgs[i] = (NdefMessage) rawMsgs[i];
          for (NdefRecord record : msgs[i].getRecords()) {
            String type = new String(record.getType());
            byte[] payload = record.getPayload();
            if (PROFILE_MIME_TYPE.equals(type) && payload != null && payload.length == 16) {
              handleProfileMimeType(payload);
            }
          }
        }
      }
    }
    finish();
  }