Example usage for android.nfc NdefRecord getPayload

Introduction

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

Prototype

public byte[] getPayload() 

Source Link

Document

Returns the variable length payload.

Usage

From source file:it.imwatch.nfclottery.MainActivity.java

/**
 * Parses a discovered NDEF vCard message and stores it
 * in the app's ContentProvider. If the card contains more than one
 * for each detail type (name, organization, title, email) then they
 * are merged when inserting them in the database in a list string
 * for each type. Values in these lists are separated by  Only the first non-empty value for each type of
 * field will be shown on the UI, anyway.
 *
 * @param ndefMessage The NDEF message to parse and store data from
 *///  w  ww  .j  a  va 2 s  . c  om
private void parseAndInsertVCard(NdefMessage ndefMessage) {
    NdefRecord[] records = ndefMessage.getRecords();
    ArrayList<String> names = new ArrayList<String>();
    ArrayList<String> emails = new ArrayList<String>();
    ArrayList<String> organizations = new ArrayList<String>();
    ArrayList<String> titles = new ArrayList<String>();

    // Tags might contain more than one record, each of which might contain
    // one or more of the elements (or no record, if malformed...)!
    for (NdefRecord record : records) {
        String vCardString = new String(record.getPayload());

        try {
            readDetailsFromvCard(mVCardEngine, vCardString, names, emails, organizations, titles);
        } catch (IOException e) {
            Log.e(TAG, "Error while parsing a vCard!", e);
            if (DEBUG)
                Log.v(TAG, "Malformed vCard contents:\n" + vCardString);
        }
    }

    if (emails.isEmpty()) {
        // It's mandatory to have at least one email address
        showCroutonNao(getString(R.string.error_email_not_present), Style.ALERT);
        Log.e(TAG, "The tag doesn't contain any email address");
        return;
    }

    // Now check and consolidate all emails in a CSV list
    // (to avoid looping though this list all over again later on)
    StringBuilder emailCsv = new StringBuilder();
    for (String email : emails) {
        if (DataHelper.isEmailAlreadyPresent(this, email)) {
            // we add only once every email
            showCroutonNao(getString(R.string.error_email_already_present, email), Style.ALERT);
            return;
        }

        emailCsv.append(email).append(DataHelper.VALUES_SEPARATOR);
    }

    if (DataHelper.insertContact(this, names, emailCsv.toString(), organizations, titles)) {
        showCroutonNao(getString(R.string.new_contact_added, emails.get(0)), Style.CONFIRM);
        updateParticipantsCount();
    }
}

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From source file:us.rader.wyfy.MainActivity.java

/**
 * Initialize from a legacy <code>NdefMessage</code>
 * //from www  .  j  a  v a2  s  .c o  m
 * Provide backward compatibility for tags written with older versions of
 * this app
 * 
 * @param ndefMessage
 *            legacy <code>NdefMessage</code>
 * 
 * @return <code>true</code> if and only if an asynchronouse attempt to
 *         connect was launched
 */
private boolean parseLegacyMessage(NdefMessage ndefMessage) {

    try {

        NdefRecord[] records = ndefMessage.getRecords();

        if (records.length > 0) {

            NdefRecord record = records[0];

            if (record.getTnf() != NdefRecord.TNF_MIME_MEDIA) {

                return false;

            }

            String type = new String(record.getType(), "US-ASCII"); //$NON-NLS-1$

            if ("application/x-wyfy".equals(type)) { //$NON-NLS-1$

                String payload = new String(record.getPayload(), "US-ASCII"); //$NON-NLS-1$
                return parseUri(payload);

            }
        }

    } catch (Exception e) {

        Log.e(getClass().getName(), "initializeNdefMessage", e); //$NON-NLS-1$

    }

    return false;

}

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From source file:com.mario22gmail.license.nfc_project.NavigationDrawerActivity.java

public String getTextFromNdefRecord(android.nfc.NdefRecord ndefRecord) {
    String tagContent = null;/*w w  w. j av  a2  s .c o m*/
    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);
    }
    Log.i(nfcDebugTag, "nfc content " + tagContent);
    return tagContent;
}

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