List of usage examples for android.nfc.tech Ndef writeNdefMessage
public void writeNdefMessage(NdefMessage msg) throws IOException, FormatException
From source file:ch.bfh.instacircle.NetworkActiveActivity.java
/** * Writes an NFC Tag/*w w w . j a v a 2 s . c o m*/ * * @param tag * The reference to the tag * @param message * the message which should be writen on the message * @return true if successful, false otherwise */ public boolean writeTag(Tag tag, NdefMessage message) { AlertDialog alertDialog = new AlertDialog.Builder(this).create(); alertDialog.setTitle("InstaCircle - write NFC Tag failed"); alertDialog.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); try { // see if tag is already NDEF formatted Ndef ndef = Ndef.get(tag); if (ndef != null) { ndef.connect(); if (!ndef.isWritable()) { Log.d(TAG, "This tag is read only."); alertDialog.setMessage("This tag is read only."); alertDialog.show(); return false; } // work out how much space we need for the data int size = message.toByteArray().length; if (ndef.getMaxSize() < size) { Log.d(TAG, "Tag doesn't have enough free space."); alertDialog.setMessage("Tag doesn't have enough free space."); alertDialog.show(); return false; } ndef.writeNdefMessage(message); Log.d(TAG, "Tag written successfully."); } else { // attempt to format tag NdefFormatable format = NdefFormatable.get(tag); if (format != null) { try { format.connect(); format.format(message); Log.d(TAG, "Tag written successfully!"); } catch (IOException e) { alertDialog.setMessage("Unable to format tag to NDEF."); alertDialog.show(); Log.d(TAG, "Unable to format tag to NDEF."); return false; } } else { Log.d(TAG, "Tag doesn't appear to support NDEF format."); alertDialog.setMessage("Tag doesn't appear to support NDEF format."); alertDialog.show(); return false; } } } catch (Exception e) { Log.d(TAG, "Failed to write tag"); return false; } alertDialog.setTitle("InstaCircle"); alertDialog.setMessage("NFC Tag written successfully."); alertDialog.show(); return true; }
From source file:com.mario22gmail.license.nfc_project.NavigationDrawerActivity.java
private void writeNdefMessage(Tag tag, NdefMessage ndefMessage) { try {//from w w w . j a va 2 s. co m if (tag == null) { Toast.makeText(this, "Tag cannot be null", Toast.LENGTH_SHORT).show(); return; } Ndef ndef = Ndef.get(tag); if (ndef == null) { formatTag(tag, ndefMessage); } else { ndef.connect(); if (!ndef.isWritable()) { Toast.makeText(this, "Tag is not writable", Toast.LENGTH_SHORT).show(); ndef.close(); return; } ndef.writeNdefMessage(ndefMessage); ndef.close(); Toast.makeText(this, "Tag writen", Toast.LENGTH_SHORT).show(); } } catch (Exception e) { Log.e(nfcDebugTag, e.getMessage()); } }
From source file:com.example.multi_ndef.Frag_Write.java
/** * Format a tag and write our NDEF message *//*from w ww . ja v a 2 s . c o m*/ //@SuppressLint("NewApi") private boolean writeTag(Tag tag) { // record to launch Play Store if app is not installed NdefRecord appRecord = NdefRecord.createApplicationRecord("com.example.multi_ndef"); try { ENGLISH = Locale.ENGLISH; encodeInUtf8 = true; } catch (Exception e) { Toast toast = Toast.makeText(getApplicationContext(), "Locale Error " + e.toString(), Toast.LENGTH_SHORT); toast.show(); } try { textRecord = createTextRecord(getText(), ENGLISH, encodeInUtf8); } catch (Exception e) { Toast toast = Toast.makeText(getApplicationContext(), "Text Conversion error " + e.toString(), Toast.LENGTH_SHORT); toast.show(); } try { uriRecord = NdefRecord.createUri(getUri()); } catch (Exception e) { Toast toast = Toast.makeText(getApplicationContext(), "Uri Conversion error " + e.toString(), Toast.LENGTH_SHORT); toast.show(); } byte[] mimeBytes = MimeType.AppName.getBytes(Charset.forName("US-ASCII")); byte[] mimeBytesBT = MimeType.AppNameBT.getBytes(Charset.forName("US-ASCII")); byte[] v_data = VCard(); // Here data is written byte[] payload = data(); // payload in hex //Comments by neha - 3 Jul 2014 byte[] payloadBT = btData(); NdefRecord VcardRecord = new NdefRecord(NdefRecord.TNF_MIME_MEDIA, "text/x-vcard".getBytes(), new byte[0], v_data); NdefRecord BTcardRecord = new NdefRecord(NdefRecord.TNF_MIME_MEDIA, mimeBytesBT, new byte[0], payloadBT); NdefRecord cardRecord = new NdefRecord(NdefRecord.TNF_MIME_MEDIA, mimeBytes, new byte[0], payload); NdefRecord SMSRecord = NdefRecord.createUri(SMSpayload); NdefRecord MailRecord = NdefRecord.createUri(Mailpayload); NdefRecord TeleRecord = NdefRecord.createUri(Telepayload); NdefRecord LocationRecord = NdefRecord.createUri(Locationpayload); NdefMessage message = new NdefMessage(new NdefRecord[] { cardRecord, textRecord, uriRecord, BTcardRecord, VcardRecord, SMSRecord, MailRecord, TeleRecord, LocationRecord, appRecord }); // ringProgressDialog.dismiss(); try { // see if tag is already NDEF formatted Ndef ndef = Ndef.get(tag); if (ndef != null) { ndef.connect(); if (!ndef.isWritable()) { displayMessage("Read-only tag."); return false; } // work out how much space we need for the data int size = message.toByteArray().length; if (ndef.getMaxSize() < size) { displayMessage("Tag doesn't have enough free space."); return false; } ndef.writeNdefMessage(message); displayMessage("Multiple NDEF Records written to tag successfully."); return true; } else { // attempt to format tag NdefFormatable format = NdefFormatable.get(tag); if (format != null) { try { format.connect(); format.format(message); displayMessage("Tag written successfully!\nClose this app and scan tag."); return true; } catch (IOException e) { displayMessage("Unable to format tag to NDEF."); return false; } } else { displayMessage("Tag doesn't appear to support NDEF format."); return false; } } } catch (Exception e) { displayMessage("Failed to write tag"); } return false; }
From source file:net.networksaremadeofstring.rhybudd.WriteNFCActivity.java
public void WriteTag(final Tag receivedTag) { tagHandler.sendEmptyMessage(TAG_IO_IN_PROGRESS); (new Thread() { public void run() { //This could go all kinds of weird Ndef thisNdef = null; try { thisNdef = Ndef.get(receivedTag); } catch (Exception e) { BugSenseHandler.sendExceptionMessage("WriteNFCActivity", "WriteTag", e); e.printStackTrace();/* ww w . j ava 2s. c o m*/ } if (null == thisNdef) { NdefFormatable formatter = null; try { formatter = NdefFormatable.get(receivedTag); formatter.connect(); formatter.format( new NdefMessage(new NdefRecord[] { NdefRecord.createApplicationRecord("io.d0") })); formatter.close(); thisNdef = Ndef.get(receivedTag); } catch (Exception d) { BugSenseHandler.sendExceptionMessage("WriteNFCActivity", "WriteTag", d); d.printStackTrace(); tagHandler.sendEmptyMessage(FORMATEXCEPTION); } } try { if (null == thisNdef) { throw new FormatException("No NDEF Tag returned from get"); } else { thisNdef.connect(); } if (thisNdef.isWritable()) { //Is this a 203 or larger? if (thisNdef.getMaxSize() < aaRecord.toByteArray().length + idRecord.toByteArray().length) { /*Log.i("WriteTag","This tag was too big. tried to write " + (aaRecord.toByteArray().length + idRecord.toByteArray().length) + " to " + thisNdef.getMaxSize()); idRecord = NdefRecord.createMime("text/plain", Integer.toString(tagMetaData.getInt("i")).getBytes(Charset.forName("US-ASCII"))); Log.i("WriteTag Size Check", "Writing " + (idRecord.toByteArray().length + aaRecord.toByteArray().length) + " to " + thisNdef.getMaxSize());*/ tagHandler.sendEmptyMessage(SIZE_ERROR); } else { //Log.i("WriteTag Size Check", "Writing " + (aaRecord.toByteArray().length + idRecord.toByteArray().length) + " to " + thisNdef.getMaxSize()); NdefMessage tagMsg = new NdefMessage(new NdefRecord[] { idRecord, aaRecord }); //Log.i("WriteTag Size Check", "Wrote " + tagMsg.getByteArrayLength()); thisNdef.writeNdefMessage(tagMsg); thisNdef.makeReadOnly(); thisNdef.close(); tagHandler.sendEmptyMessage(WRITE_SUCCESS); } } else { tagHandler.sendEmptyMessage(READONLY); } } catch (IOException e) { BugSenseHandler.sendExceptionMessage("WriteNFCActivity", "WriteTag", e); tagHandler.sendEmptyMessage(IOEXCEPTION); } catch (FormatException e) { BugSenseHandler.sendExceptionMessage("WriteNFCActivity", "WriteTag", e); e.printStackTrace(); tagHandler.sendEmptyMessage(FORMATEXCEPTION); } } }).start(); }