Examples with NdefMessage android.nfc.NdefMessage used on opensource projects

Example 6 with NdefMessage

use of android.nfc.NdefMessage in project cw-omnibus by commonsguy.

the class MainActivity method writeToTag.

void writeToTag(Intent i) {
    Tag tag = i.getParcelableExtra(NfcAdapter.EXTRA_TAG);
    NdefMessage msg = new NdefMessage(new NdefRecord[] { buildNdefRecord() });
    new WriteTagTask(this, msg, tag).execute();
}

Example 7 with NdefMessage

use of android.nfc.NdefMessage in project cw-omnibus by commonsguy.

the class URLTagger method onNewIntent.

@Override
protected void onNewIntent(Intent intent) {
    if (inWriteMode && NfcAdapter.ACTION_TAG_DISCOVERED.equals(intent.getAction())) {
        Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        byte[] url = buildUrlBytes(getIntent().getStringExtra(Intent.EXTRA_TEXT));
        NdefRecord record = new NdefRecord(NdefRecord.TNF_WELL_KNOWN, NdefRecord.RTD_URI, new byte[] {}, url);
        NdefMessage msg = new NdefMessage(new NdefRecord[] { record });
        new WriteTask(this, msg, tag).execute();
    }
}

Example 8 with NdefMessage

use of android.nfc.NdefMessage in project cw-omnibus by commonsguy.

the class WebBeamActivity method handleIntent.

private void handleIntent(Intent i) {
    if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(i.getAction())) {
        Parcelable[] rawMsgs = i.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
        NdefMessage msg = (NdefMessage) rawMsgs[0];
        String url = new String(msg.getRecords()[0].getPayload());
        beamFragment.loadUrl(url);
    }
}

Example 9 with NdefMessage

use of android.nfc.NdefMessage in project cw-omnibus by commonsguy.

the class WebBeamActivity method createNdefMessage.

@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);
}

Example 10 with NdefMessage

use of android.nfc.NdefMessage in project android_frameworks_base by ResurrectionRemix.

the class Ndef method getNdefMessage.

/**
     * Read the current {@link android.nfc.NdefMessage} on this tag.
     *
     * <p>This always reads the current NDEF Message stored on the tag.
     *
     * <p>Note that this method may return null if the tag was in the
     * INITIALIZED state as defined by NFC Forum, as in that state the
     * tag is formatted to support NDEF but does not contain a message yet.
     *
     * <p>This is an I/O operation and will block until complete. It must
     * not be called from the main application thread. A blocked call will be canceled with
     * {@link IOException} if {@link #close} is called from another thread.
     *
     * <p class="note">Requires the {@link android.Manifest.permission#NFC} permission.
     *
     * @return the NDEF Message, can be null
     * @throws TagLostException if the tag leaves the field
     * @throws IOException if there is an I/O failure, or the operation is canceled
     * @throws FormatException if the NDEF Message on the tag is malformed
     */
public NdefMessage getNdefMessage() throws IOException, FormatException {
    checkConnected();
    try {
        INfcTag tagService = mTag.getTagService();
        if (tagService == null) {
            throw new IOException("Mock tags don't support this operation.");
        }
        int serviceHandle = mTag.getServiceHandle();
        if (tagService.isNdef(serviceHandle)) {
            NdefMessage msg = tagService.ndefRead(serviceHandle);
            if (msg == null && !tagService.isPresent(serviceHandle)) {
                throw new TagLostException();
            }
            return msg;
        } else if (!tagService.isPresent(serviceHandle)) {
            throw new TagLostException();
        } else {
            return null;
        }
    } catch (RemoteException e) {
        Log.e(TAG, "NFC service dead", e);
        return null;
    }
}