Example usage for android.nfc NdefMessage NdefMessage

Introduction

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

Prototype

public NdefMessage(NdefRecord[] records) 

Source Link

Document

Construct an NDEF Message from one or more NDEF Records.

Usage

From source file:de.gadc.moneybeam.MoneyBeamActivity.java

/**
 * This method creates a new {@link NdefMessage} by using a
 * {@link JSONObject}./*from w ww  . jav a  2s.c  o m*/
 * 
 * @return the {@link NdefMessage} for the message callback
 */
public NdefMessage createNdefMessage(NfcEvent event) {
    NdefMessage msg = null;
    String text = null;
    try {
        text = generateJSON().toString();
        msg = new NdefMessage(
                new NdefRecord[] { createMimeRecord("application/paypal-moneybeam", text.getBytes()),
                        NdefRecord.createApplicationRecord(getPackageName()) });

    } catch (JSONException e) {
        e.printStackTrace();
    }
    return msg;
}

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From source file:com.sftoolworks.nfcoptions.SelectActivity.java

protected void writeSelection(Intent intent) {
    ListView list = (ListView) findViewById(R.id.listView1);
    if (list.getCount() == 0)
        return;/*from   w w w  .j  av a  2s .c om*/

    try {

        Object[] results = ((OptionListAdapter) list.getAdapter()).getCheckedValues();
        JSONObject obj = new JSONObject();

        JSONArray array = new JSONArray();

        if (null != results) {
            for (Object result : results)
                array.put(result.toString());
        }

        obj.put("selection", array);
        obj.put("key", selectKey);

        SharedPreferences sharedPref = getSharedPreferences(getString(R.string.preference_file_key),
                Context.MODE_PRIVATE);

        // android studio (0.5.1) decorates this line as an error (some
        // of the time, anyway) but it's not an error.

        String identifier = sharedPref.getString(getString(R.string.user_id_key), "");
        if (identifier.length() > 0)
            obj.put("user", identifier);

        String json = obj.toString(0);

        String outbound = "\u0002en";
        outbound += json;

        NdefRecord textRecord = new NdefRecord(NdefRecord.TNF_WELL_KNOWN, new byte[] { 'T' }, null,
                outbound.getBytes());

        NdefMessage message = new NdefMessage(new NdefRecord[] { textRecord });
        Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        Ndef ndef = Ndef.get(tag);
        ndef.connect();

        ndef.writeNdefMessage(message);
        ndef.close();

        Toast.makeText(this, R.string.write_ok, Toast.LENGTH_LONG).show();
        new Timer().schedule(new TimerTask() {
            @Override
            public void run() {
                finish();
            }
        }, 1500);

    } catch (Exception e) {

        Log.d(TAG, e.toString());
        String err = getString(R.string.tag_write_err) + "\n" + e.getMessage();
        Toast.makeText(this, err, Toast.LENGTH_LONG).show();
    }
}

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

private boolean write(String text, Tag tag) {
    boolean success = true;

    NdefRecord aar = NdefRecord.createApplicationRecord("st.alr.homA");
    NdefRecord[] records = { createRecord(text), aar };
    NdefMessage ndefMsg = new NdefMessage(records);

    try {//from w  ww. j a  va  2 s. co  m
        Ndef ndef = Ndef.get(tag);
        if (ndef != null) {
            ndef.connect();

            if (!ndef.isWritable()) {
                publishProgress(getResources().getString(R.string.nfcWriteDialogTagReadOnly), false);
                success = false;
            }
            if (ndef.getMaxSize() < ndefMsg.getByteArrayLength()) {
                publishProgress(
                        getResources().getString(R.string.nfcWriteDialogTagCapacityIs) + ndef.getMaxSize()
                                + " byte" + getResources().getString(R.string.nfcWriteDialogTagMessageSizeIs)
                                + ndefMsg.getByteArrayLength() + "byte.",
                        false);
                success = false;
            }

            ndef.writeNdefMessage(ndefMsg);
            success = true;
        } else {
            NdefFormatable format = NdefFormatable.get(tag);
            if (format != null) {
                try {
                    format.connect();
                    format.format(ndefMsg);
                    publishProgress(getResources().getString(R.string.nfcWriteDialogTagFormatedAndWrote), true);
                    success = true;
                } catch (IOException e) {
                    publishProgress(getResources().getString(R.string.nfcWriteDialogTagFailedToFormat), false);
                    success = false;
                }
            } else {
                publishProgress(getResources().getString(R.string.nfcWriteDialogTagNoNDEFSupport), false);
                success = false;
            }
        }
    } catch (Exception e) {
        Log.e(this.toString(),
                getResources().getString(R.string.nfcWriteDialogTagFailedToWrite) + " (" + e.getMessage() + ")",
                e);
    }

    return success;
}

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From source file:org.floens.chan.ui.controller.ThreadController.java

@Override
public NdefMessage createNdefMessage(NfcEvent event) {
    Loadable loadable = getLoadable();// w w w . ja  v a 2 s. c o  m
    String url = null;
    NdefMessage message = null;

    if (loadable != null) {
        if (loadable.isThreadMode()) {
            url = ChanUrls.getThreadUrlDesktop(loadable.board, loadable.no);
        } else if (loadable.isCatalogMode()) {
            url = ChanUrls.getCatalogUrlDesktop(loadable.board);
        }
    }

    if (url != null) {
        try {
            Logger.d(TAG, "Pushing url " + url + " to android beam");
            NdefRecord record = NdefRecord.createUri(url);
            message = new NdefMessage(new NdefRecord[] { record });
        } catch (IllegalArgumentException e) {
            Logger.e(TAG, "NdefMessage create error", e);
        }
    }

    return message;
}

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

/**
 * RTD Text Record??NdefMessage????/*w  w  w.  j av a 2 s.  c o m*/
 * 
 * @param text 
 * @param languageCode (ISO/IANA)
 * @return
 */
private NdefMessage createTextMessage(String text, String languageCode) {
    try {
        byte statusByte = (byte) languageCode.length();
        byte[] rawLanguageCode = languageCode.getBytes("US-ASCII");
        byte[] rawText = text.getBytes("UTF-8");

        ByteArrayBuffer buffer = new ByteArrayBuffer(1 + rawLanguageCode.length + rawText.length);
        buffer.append(statusByte);
        buffer.append(rawLanguageCode, 0, rawLanguageCode.length);
        buffer.append(rawText, 0, rawText.length);

        byte[] payload = buffer.toByteArray();
        NdefMessage message = new NdefMessage(new NdefRecord[] {
                new NdefRecord(NdefRecord.TNF_WELL_KNOWN, NdefRecord.RTD_TEXT, new byte[0], payload) });
        return message;
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
}

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From source file:com.example.android.nfcprovisioning.NfcProvisioningFragment.java

@Override
public NdefMessage createNdefMessage(NfcEvent event) {
    if (mProvisioningValues == null) {
        return null;
    }//from  w  w w .j a  v  a2  s  . c o m
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    Properties properties = new Properties();
    // Store all the values into the Properties object
    for (Map.Entry<String, String> e : mProvisioningValues.entrySet()) {
        if (!TextUtils.isEmpty(e.getValue())) {
            String value;
            if (e.getKey().equals(DevicePolicyManager.EXTRA_PROVISIONING_WIFI_SSID)) {
                // Make sure to surround SSID with double quotes
                value = e.getValue();
                if (!value.startsWith("\"") || !value.endsWith("\"")) {
                    value = "\"" + value + "\"";
                }
            } else {
                value = e.getValue();
            }
            properties.put(e.getKey(), value);
        }
    }
    // Make sure to put local time in the properties. This is necessary on some devices to
    // reliably download the device owner APK from an HTTPS connection.
    if (!properties.contains(DevicePolicyManager.EXTRA_PROVISIONING_LOCAL_TIME)) {
        properties.put(DevicePolicyManager.EXTRA_PROVISIONING_LOCAL_TIME,
                String.valueOf(System.currentTimeMillis()));
    }
    try {
        properties.store(stream, getString(R.string.nfc_comment));
        NdefRecord record = NdefRecord.createMime(DevicePolicyManager.MIME_TYPE_PROVISIONING_NFC,
                stream.toByteArray());
        return new NdefMessage(new NdefRecord[] { record });
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:org.openhab.habdroid.ui.OpenHABWriteTagActivity.java

private void writeTag(Tag tag, String uri) {
    Log.d(TAG, "Creating tag object for URI " + uri);
    TextView writeTagMessage = findViewById(R.id.write_tag_message);

    NdefRecord[] ndefRecords = new NdefRecord[] { NdefRecord.createUri(uri) };
    NdefMessage message = new NdefMessage(ndefRecords);
    NdefFormatable ndefFormatable = NdefFormatable.get(tag);

    if (ndefFormatable != null) {
        Log.d(TAG, "Tag is uninitialized, formating");
        try {/*  w  w w .  ja  v  a2s  . c o m*/
            ndefFormatable.connect();
            ndefFormatable.format(message);
            ndefFormatable.close();
            writeTagMessage.setText(R.string.info_write_tag_finished);
            autoCloseActivity();
        } catch (IOException | FormatException e) {
            Log.e(TAG, "Writing to unformatted tag failed: " + e);
            writeTagMessage.setText(R.string.info_write_failed);
        }
    } else {
        Log.d(TAG, "Tag is initialized, writing");
        Ndef ndef = Ndef.get(tag);
        if (ndef != null) {
            try {
                Log.d(TAG, "Connecting");
                ndef.connect();
                Log.d(TAG, "Writing");
                if (ndef.isWritable()) {
                    ndef.writeNdefMessage(message);
                }
                Log.d(TAG, "Closing");
                ndef.close();
                writeTagMessage.setText(R.string.info_write_tag_finished);
                autoCloseActivity();
            } catch (IOException | FormatException e) {
                Log.e(TAG, "Writing to formatted tag failed: " + e);
                writeTagMessage.setText(R.string.info_write_failed);
            }
        } else {
            Log.e(TAG, "Ndef == null");
            writeTagMessage.setText(R.string.info_write_failed);
        }
    }
}

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From source file:mai.whack.StickyNotesActivity.java

private void onDataRead(Intent intent) {
    // Parse the intent
    NdefMessage[] msgs = null;/* w w w .  ja  v a 2  s  .  c om*/
    String action = intent.getAction();
    byte[] tagId = null;
    if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(action) || NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) {
        Parcelable[] rawMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
        tagId = intent.getByteArrayExtra(NfcAdapter.EXTRA_ID);
        if (rawMsgs != null) {
            msgs = new NdefMessage[rawMsgs.length];
            for (int i = 0; i < rawMsgs.length; i++) {
                msgs[i] = (NdefMessage) rawMsgs[i];
            }
        } else {
            // Unknown tag type
            byte[] empty = new byte[] {};
            NdefRecord record = new NdefRecord(NdefRecord.TNF_UNKNOWN, empty, empty, empty);
            NdefMessage msg = new NdefMessage(new NdefRecord[] { record });
            msgs = new NdefMessage[] { msg };
        }
    } else {
        Log.d(TAG, "Unknown intent.");
        finish();
    }

    String msg = new String(msgs[0].getRecords()[0].getPayload());
    mHttpGetThread = new HttpGetThread("http://192.168.1.192/store/" + toHex(tagId));
    mHttpGetThread.start();
    // mHttpPostThread = new HttpPostThread("aaaaa", "bbbbb", "sdgsdfdsfs");
    // mHttpPostThread.start();
}

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From source file:net.eledge.android.europeana.gui.activity.SearchActivity.java

@TargetApi(14)
private void createNdefPushMessageCallback() {
    NfcAdapter mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
    if (mNfcAdapter != null) {
        mNfcAdapter.setNdefPushMessageCallback(new CreateNdefMessageCallback() {
            @Override//from   w  w  w  .  j a  va 2  s . c o  m
            public NdefMessage createNdefMessage(NfcEvent event) {
                return new NdefMessage(new NdefRecord[] {
                        new NdefRecord(NdefRecord.TNF_MIME_MEDIA,
                                "application/vnd.net.eledge.android.europeana.search".getBytes(), new byte[0],
                                searchController.getPortalUrl().getBytes()),
                        NdefRecord.createApplicationRecord(getPackageName()) });
            }
        }, this);
    }
}

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