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

Example 16 with NdefMessage

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

the class AbstractAppActivity method initNFC.

private void initNFC() {
    NfcAdapter mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
    if (mNfcAdapter == null) {
        return;
    }
    mNfcAdapter.setNdefPushMessageCallback(new NfcAdapter.CreateNdefMessageCallback() {

        @Override
        public NdefMessage createNdefMessage(NfcEvent event) {
            String text = (GlobalContext.getInstance().getCurrentAccountName());
            NdefMessage msg = new NdefMessage(new NdefRecord[] { createMimeRecord("application/org.qii.weiciyuan.beam", text.getBytes()), NdefRecord.createApplicationRecord(getPackageName()) });
            return msg;
        }
    }, this);
}

Example 17 with NdefMessage

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

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 {
            return null;
        }
    } catch (RemoteException e) {
        Log.e(TAG, "NFC service dead", e);
        return null;
    }
}

Example 18 with NdefMessage

use of android.nfc.NdefMessage in project platform_frameworks_base by android.

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 19 with NdefMessage

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

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 20 with NdefMessage

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

the class WriteWifiConfigToNfcDialog method handleWriteNfcEvent.

private void handleWriteNfcEvent(Tag tag) {
    Ndef ndef = Ndef.get(tag);
    if (ndef != null) {
        if (ndef.isWritable()) {
            NdefRecord record = NdefRecord.createMime(NFC_TOKEN_MIME_TYPE, hexStringToByteArray(mWpsNfcConfigurationToken));
            try {
                ndef.connect();
                ndef.writeNdefMessage(new NdefMessage(record));
                getOwnerActivity().runOnUiThread(new Runnable() {

                    @Override
                    public void run() {
                        mProgressBar.setVisibility(View.GONE);
                    }
                });
                setViewText(mLabelView, R.string.status_write_success);
                setViewText(mCancelButton, com.android.internal.R.string.done_label);
            } catch (IOException e) {
                setViewText(mLabelView, R.string.status_failed_to_write);
                Log.e(TAG, "Unable to write Wi-Fi config to NFC tag.", e);
                return;
            } catch (FormatException e) {
                setViewText(mLabelView, R.string.status_failed_to_write);
                Log.e(TAG, "Unable to write Wi-Fi config to NFC tag.", e);
                return;
            }
        } else {
            setViewText(mLabelView, R.string.status_tag_not_writable);
            Log.e(TAG, "Tag is not writable");
        }
    } else {
        setViewText(mLabelView, R.string.status_tag_not_writable);
        Log.e(TAG, "Tag does not support NDEF");
    }
}