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

Example 11 with NdefMessage

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

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;
    }
}

Example 12 with NdefMessage

use of android.nfc.NdefMessage in project bitcoin-wallet by bitcoin-wallet.

the class SendCoinsFragment method onCreate.

@Override
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setRetainInstance(true);
    setHasOptionsMenu(true);
    bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    backgroundThread = new HandlerThread("backgroundThread", Process.THREAD_PRIORITY_BACKGROUND);
    backgroundThread.start();
    backgroundHandler = new Handler(backgroundThread.getLooper());
    if (savedInstanceState != null) {
        restoreInstanceState(savedInstanceState);
    } else {
        final Intent intent = activity.getIntent();
        final String action = intent.getAction();
        final Uri intentUri = intent.getData();
        final String scheme = intentUri != null ? intentUri.getScheme() : null;
        final String mimeType = intent.getType();
        if ((Intent.ACTION_VIEW.equals(action) || NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) && intentUri != null && "bitcoin".equals(scheme)) {
            initStateFromBitcoinUri(intentUri);
        } else if ((NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) && PaymentProtocol.MIMETYPE_PAYMENTREQUEST.equals(mimeType)) {
            final NdefMessage ndefMessage = (NdefMessage) intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES)[0];
            final byte[] ndefMessagePayload = Nfc.extractMimePayload(PaymentProtocol.MIMETYPE_PAYMENTREQUEST, ndefMessage);
            initStateFromPaymentRequest(mimeType, ndefMessagePayload);
        } else if ((Intent.ACTION_VIEW.equals(action)) && PaymentProtocol.MIMETYPE_PAYMENTREQUEST.equals(mimeType)) {
            final byte[] paymentRequest = BitcoinIntegration.paymentRequestFromIntent(intent);
            if (intentUri != null)
                initStateFromIntentUri(mimeType, intentUri);
            else if (paymentRequest != null)
                initStateFromPaymentRequest(mimeType, paymentRequest);
            else
                throw new IllegalArgumentException();
        } else if (intent.hasExtra(SendCoinsActivity.INTENT_EXTRA_PAYMENT_INTENT)) {
            initStateFromIntentExtras(intent.getExtras());
        } else {
            updateStateFrom(PaymentIntent.blank());
        }
    }
}

Example 13 with NdefMessage

use of android.nfc.NdefMessage in project iosched by google.

the class BeamUtils method tryUpdateIntentFromBeam.

/**
     * 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 Activity#setIntent(android.content.Intent)}) to something
     * the app can recognize (i.e. a normal {@link Intent#ACTION_VIEW} intent).
     */
public static void tryUpdateIntentFromBeam(Activity activity) {
    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.makeContentItemType(ScheduleContract.Sessions.CONTENT_TYPE_ID).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);
        }
    }
}

Example 14 with NdefMessage

use of android.nfc.NdefMessage in project iosched by google.

the class BeamUtils method setBeamSessionUri.

/**
     * Sets this activity's Android Beam message to one representing the given session.
     */
public static void setBeamSessionUri(Activity activity, Uri sessionUri) {
    NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(activity);
    if (nfcAdapter == null) {
        // No NFC :-(
        return;
    }
    nfcAdapter.setNdefPushMessage(new NdefMessage(new NdefRecord[] { new NdefRecord(NdefRecord.TNF_MIME_MEDIA, ScheduleContract.makeContentItemType(ScheduleContract.Sessions.CONTENT_TYPE_ID).getBytes(), new byte[0], sessionUri.toString().getBytes()) }), activity);
}

Example 15 with NdefMessage

use of android.nfc.NdefMessage in project weiciyuan by qii.

the class UserInfoActivity method processIntent.

private void processIntent(Intent intent) {
    Parcelable[] rawMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
    // only one message sent during the beam
    NdefMessage msg = (NdefMessage) rawMsgs[0];
    Toast.makeText(this, new String(msg.getRecords()[0].getPayload()), Toast.LENGTH_SHORT).show();
    bean = new UserBean();
    bean.setScreen_name(new String(msg.getRecords()[0].getPayload()));
}