Example usage for android.nfc NfcAdapter ACTION_TECH

Introduction

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

Prototype

String ACTION_TECH_DISCOVERED

To view the source code for android.nfc NfcAdapter ACTION_TECH_DISCOVERED.

Click Source Link

Document

Intent to start an activity when a tag is discovered and activities are registered for the specific technologies on the tag.

Usage

From source file:org.irmacard.androidmanagement.CredentialListActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // Pass the list of CredentialPackages on to the ListFragement
    Intent intent = getIntent();/*from w  ww . jav  a2s .  c om*/
    @SuppressWarnings("unchecked")
    ArrayList<CredentialPackage> credentials = (ArrayList<CredentialPackage>) intent
            .getSerializableExtra(WaitingForCardActivity.EXTRA_CREDENTIAL_PACKAGES);
    setCredentials(credentials);

    @SuppressWarnings("unchecked")
    ArrayList<LogEntry> logs = (ArrayList<LogEntry>) intent
            .getSerializableExtra(WaitingForCardActivity.EXTRA_LOG_ENTRIES);
    setLogs(logs);

    Tag tag = (Tag) intent.getParcelableExtra(WaitingForCardActivity.EXTRA_TAG);
    setTag(tag);

    cardPin = (String) intent.getSerializableExtra(WaitingForCardActivity.EXTRA_CARD_PIN);
    cardVersion = (CardVersion) intent.getSerializableExtra(WaitingForCardActivity.EXTRA_CARD_VERSION);

    setContentView(R.layout.activity_credential_list);

    if (findViewById(R.id.credential_detail_container) != null) {
        // The detail container view will be present only in the
        // large-screen layouts (res/values-large and
        // res/values-sw600dp). If this view is present, then the
        // activity should be in two-pane mode.
        mTwoPane = true;

        // In two-pane mode, list items should be given the
        // 'activated' state when touched.
        ((MenuFragment) getSupportFragmentManager().findFragmentById(R.id.credential_menu_fragment))
                .setTwoPaneMode(true);

        InitFragment initFragment = new InitFragment();
        getSupportFragmentManager().beginTransaction().replace(R.id.credential_detail_container, initFragment)
                .commit();

        Log.i("blaat", "Simulating initial click!!");
        ((MenuFragment) getSupportFragmentManager().findFragmentById(R.id.credential_menu_fragment))
                .simulateListClick(0);

        // Do not show action bar in two-pane mode
        getActionBar().hide();
    }

    // NFC stuff
    nfcA = NfcAdapter.getDefaultAdapter(getApplicationContext());
    mPendingIntent = PendingIntent.getActivity(this, 0,
            new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);

    // Setup an intent filter for all TECH based dispatches
    IntentFilter tech = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);
    mFilters = new IntentFilter[] { tech };

    // Setup a tech list for all IsoDep cards
    mTechLists = new String[][] { new String[] { IsoDep.class.getName() } };
}

From source file:org.irmacard.androidmanagement.CredentialListActivity.java

@Override
public void onResume() {
    super.onResume();
    if (NfcAdapter.ACTION_TECH_DISCOVERED.equals(getIntent().getAction())) {
        processIntent(getIntent());//w ww  . j av  a  2  s. c  o m
    }
    if (nfcA != null) {
        nfcA.enableForegroundDispatch(this, mPendingIntent, mFilters, mTechLists);
    }
}

From source file:com.tananaev.passportreader.MainActivity.java

@Override
public void onNewIntent(Intent intent) {
    if (NfcAdapter.ACTION_TECH_DISCOVERED.equals(intent.getAction())) {
        Tag tag = intent.getExtras().getParcelable(NfcAdapter.EXTRA_TAG);
        if (Arrays.asList(tag.getTechList()).contains("android.nfc.tech.IsoDep")) {
            SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
            String passportNumber = preferences.getString(KEY_PASSPORT_NUMBER, null);
            String expirationDate = convertDate(preferences.getString(KEY_EXPIRATION_DATE, null));
            String birthDate = convertDate(preferences.getString(KEY_BIRTH_DATE, null));
            if (passportNumber != null && !passportNumber.isEmpty() && expirationDate != null
                    && !expirationDate.isEmpty() && birthDate != null && !birthDate.isEmpty()) {
                BACKeySpec bacKey = new BACKey(passportNumber, birthDate, expirationDate);
                new ReadTask(IsoDep.get(tag), bacKey).execute();
                mainLayout.setVisibility(View.GONE);
                loadingLayout.setVisibility(View.VISIBLE);
            } else {
                Snackbar.make(passportNumberView, R.string.error_input, Snackbar.LENGTH_SHORT).show();
            }/*from w  w  w .j  a va2s . c o m*/
        }
    }
}

From source file:foundme.uniroma2.it.professore.HomeActivity.java

private void handleIntent(Intent intent) {
    String action = intent.getAction();

    if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) {

        String type = intent.getType();
        if (Variables_it.MIME_TEXT_PLAIN.equals(type)) {

            Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
            new NdefReaderTask().execute(tag);

        }/*  w ww.  j  a v a2 s .  c  om*/
    } else if (NfcAdapter.ACTION_TECH_DISCOVERED.equals(action)) {

        // In questo caso usermo la Tech Discovered Intent
        Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        String[] techList = tag.getTechList();
        String searchedTech = Ndef.class.getName();

        for (String tech : techList) {
            if (searchedTech.equals(tech)) {
                new NdefReaderTask().execute(tag);
                break;
            }
        }
    }
}

From source file:org.ounl.lifelonglearninghub.mediaplayer.cast.refplayer.NFCVideoBrowserActivity.java

/**
 * On create, process NDEF message with its intent action
 *  /*from   ww  w. j a v a2s  .  c  o  m*/
 * @param intent
 */
private String resolveIntent(Intent intent) {
    Log.d(CLASSNAME, "resolveIntent is called intent:" + intent.toString());
    String action = intent.getAction();
    if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(action) || NfcAdapter.ACTION_TECH_DISCOVERED.equals(action)
            || NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) {
        Parcelable[] rawMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
        NdefMessage[] msgs;
        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[0];
            byte[] id = intent.getByteArrayExtra(NfcAdapter.EXTRA_ID);
            Parcelable tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
            byte[] payload = dumpTagData(tag).getBytes();
            NdefRecord record = new NdefRecord(NdefRecord.TNF_UNKNOWN, empty, id, payload);
            NdefMessage msg = new NdefMessage(new NdefRecord[] { record });
            msgs = new NdefMessage[] { msg };
        }

        return processNdefMessageArray(msgs);

    }

    return IParsedNdefCommand.COMMAND_UNKNOWN;
}

From source file:be.brunoparmentier.wifikeyshare.ui.activities.WifiNetworkActivity.java

private void setupForegroundDispatch() {
    /* initialize the PendingIntent to start for the dispatch */
    nfcPendingIntent = PendingIntent.getActivity(this, 0,
            new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);

    /* initialize the IntentFilters to override dispatching for */
    nfcIntentFilters = new IntentFilter[3];
    nfcIntentFilters[0] = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED);
    nfcIntentFilters[0].addCategory(Intent.CATEGORY_DEFAULT);
    nfcIntentFilters[1] = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);
    nfcIntentFilters[1].addCategory(Intent.CATEGORY_DEFAULT);
    nfcIntentFilters[2] = new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED);
    nfcIntentFilters[2].addCategory(Intent.CATEGORY_DEFAULT);
    try {//w w w. jav  a 2  s  .c om
        nfcIntentFilters[0].addDataType("*/*"); // Handle all MIME based dispatches.
    } catch (IntentFilter.MalformedMimeTypeException e) {
        Log.e(TAG, "setupForegroundDispatch: " + e.getMessage());
    }

    /* Initialize the tech lists used to perform matching for dispatching of the
     * ACTION_TECH_DISCOVERED intent */
    nfcTechLists = new String[][] {};
}

From source file:de.syss.MifareClassicTool.Common.java

/**
 * For Activities which want to treat new Intents as Intents with a new
 * Tag attached. If the given Intent has a Tag extra, it will be patched
 * by {@link MCReader#patchTag(Tag)} and  {@link #mTag} as well as
 * {@link #mUID} will be updated. A Toast message will be shown in the
 * Context of the calling Activity. This method will also check if the
 * device/tag supports Mifare Classic (see return values and
 * {@link #checkMifareClassicSupport(Tag, Context)}).
 * @param intent The Intent which should be checked for a new Tag.
 * @param context The Context in which the Toast will be shown.
 * @return/*from  ww w .j  ava2s.c  o  m*/
 * <ul>
 * <li>0 - The device/tag supports Mifare Classic</li>
 * <li>-1 - Device does not support Mifare Classic.</li>
 * <li>-2 - Tag does not support Mifare Classic.</li>
 * <li>-3 - Error (tag or context is null).</li>
 * <li>-4 - Wrong Intent (action is not "ACTION_TECH_DISCOVERED").</li>
 * </ul>
 * @see #mTag
 * @see #mUID
 * @see #checkMifareClassicSupport(Tag, Context)
 */
public static int treatAsNewTag(Intent intent, Context context) {
    // Check if Intent has a NFC Tag.
    if (NfcAdapter.ACTION_TECH_DISCOVERED.equals(intent.getAction())) {
        Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        tag = MCReader.patchTag(tag);
        setTag(tag);

        // Show Toast message with UID.
        String id = context.getResources().getString(R.string.info_new_tag_found) + " (UID: ";
        id += byte2HexString(tag.getId());
        id += ")";
        Toast.makeText(context, id, Toast.LENGTH_LONG).show();
        return checkMifareClassicSupport(tag, context);
    }
    return -4;
}

From source file:com.moonpi.tapunlock.MainActivity.java

@Override
public void onClick(View v) {
    // If OK(setPin) clicked, ask user if sure; if yes, store PIN; else, go back
    if (v.getId() == R.id.setPin) {
        // If PIN length between 4 and 6, store PIN and toast successful
        if (pinEdit.length() >= 4 && pinEdit.length() <= 6) {
            new AlertDialog.Builder(this).setMessage(R.string.set_pin_confirmation)
                    .setPositiveButton(R.string.yes_button, new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            try {
                                settings.put("pin", String.valueOf(pinEdit.getText()));

                            } catch (JSONException e) {
                                e.printStackTrace();
                            }/*from  w  w w.ja va 2  s. co m*/

                            writeToJSON();

                            Toast toast = Toast.makeText(getApplicationContext(), R.string.toast_pin_set,
                                    Toast.LENGTH_SHORT);
                            toast.show();

                            imm.hideSoftInputFromWindow(pinEdit.getWindowToken(), 0);

                        }
                    }).setNegativeButton(R.string.no_button, new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            imm.hideSoftInputFromWindow(pinEdit.getWindowToken(), 0);
                            // Do nothing, close dialog
                        }
                    }).show();
        }

        // Toast user that PIN needs to be at least 4 digits long
        else {
            Toast toast = Toast.makeText(getApplicationContext(), R.string.toast_pin_needs4digits,
                    Toast.LENGTH_LONG);
            toast.show();
        }
    }

    // If 'Refresh wallpaper' pressed, check if Android 4.2 or above, if yes
    // Store new blur var, if blur bigger than 0 re-blur wallpaper
    else if (v.getId() == R.id.refreshWallpaper) {
        if (Build.VERSION.SDK_INT > 16) {
            try {
                settings.put("blur", blur);

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

            writeToJSON();

            // If blur is 0, don't change anything, just toast
            if (blur == 0) {
                Toast toast = Toast.makeText(getApplicationContext(), R.string.toast_wallpaper_refreshed,
                        Toast.LENGTH_SHORT);
                toast.show();
            }

            // If blur is bigger than 0, get default wallpaper - to bitmap - fastblur bitmap - store
            else {
                // Check if TapUnlock folder exists, if not, create directory
                File folder = new File(Environment.getExternalStorageDirectory() + "/TapUnlock");
                boolean folderSuccess = true;

                if (!folder.exists()) {
                    folderSuccess = folder.mkdir();
                }

                if (folderSuccess) {
                    WallpaperManager wallpaperManager = WallpaperManager.getInstance(this);
                    final Drawable wallpaperDrawable = wallpaperManager.peekFastDrawable();

                    if (wallpaperDrawable != null) {
                        // Display indeterminate progress bar while blurring
                        progressBar.setVisibility(View.VISIBLE);

                        new Thread(new Runnable() {
                            @Override
                            public void run() {
                                Bitmap bitmapToBlur = ImageUtils.drawableToBitmap(wallpaperDrawable);

                                Bitmap blurredWallpaper = null;
                                if (bitmapToBlur != null)
                                    blurredWallpaper = ImageUtils.fastBlur(MainActivity.this, bitmapToBlur,
                                            blur);

                                boolean stored = false;
                                if (blurredWallpaper != null) {
                                    stored = ImageUtils.storeImage(blurredWallpaper);

                                    final boolean finalStored = stored;
                                    runOnUiThread(new Runnable() {
                                        @Override
                                        public void run() {
                                            progressBar.setVisibility(View.INVISIBLE);

                                            if (finalStored) {
                                                Toast toast = Toast.makeText(getApplicationContext(),
                                                        R.string.toast_wallpaper_refreshed, Toast.LENGTH_SHORT);
                                                toast.show();
                                            }
                                        }
                                    });
                                }

                                if (bitmapToBlur == null || blurredWallpaper == null || !stored) {
                                    runOnUiThread(new Runnable() {
                                        @Override
                                        public void run() {
                                            progressBar.setVisibility(View.INVISIBLE);

                                            Toast toast = Toast.makeText(getApplicationContext(),
                                                    R.string.toast_wallpaper_not_refreshed, Toast.LENGTH_SHORT);
                                            toast.show();
                                        }
                                    });
                                }
                            }
                        }).start();
                    }

                    else {
                        Toast toast = Toast.makeText(getApplicationContext(),
                                R.string.toast_wallpaper_not_refreshed, Toast.LENGTH_SHORT);
                        toast.show();
                    }
                }
            }
        }

        // If Android version less than 4.2, display toast cannot blur
        else {
            Toast toast = Toast.makeText(getApplicationContext(), R.string.toast_cannot_blur,
                    Toast.LENGTH_SHORT);
            toast.show();
        }
    }

    // If '+' pressed
    else if (v.getId() == R.id.newTag) {
        if (nfcAdapter != null) {
            // If NFC is on, show scan dialog and enableForegroundDispatch
            if (nfcAdapter.isEnabled()) {
                nfcAdapter.enableForegroundDispatch(this, pIntent,
                        new IntentFilter[] { new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED) },
                        new String[][] { new String[] { "android.nfc.tech.MifareClassic" },
                                new String[] { "android.nfc.tech.MifareUltralight" },
                                new String[] { "android.nfc.tech.NfcA" },
                                new String[] { "android.nfc.tech.NfcB" },
                                new String[] { "android.nfc.tech.NfcF" },
                                new String[] { "android.nfc.tech.NfcV" },
                                new String[] { "android.nfc.tech.Ndef" },
                                new String[] { "android.nfc.tech.IsoDep" },
                                new String[] { "android.nfc.tech.NdefFormatable" } });

                MainActivity.this.showDialog(DIALOG_READ);
            }

            // NFC is off, prompt user to enable it and send him to NFC settings
            else {
                new AlertDialog.Builder(this).setTitle(R.string.nfc_off_dialog_title)
                        .setMessage(R.string.nfc_off_dialog_message)
                        .setPositiveButton(R.string.yes_button, new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                Intent intent = new Intent(Settings.ACTION_NFC_SETTINGS);
                                startActivity(intent);
                            }
                        }).setNegativeButton(R.string.no_button, new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                // Do nothing, close dialog
                            }
                        }).show();
            }
        }

        // NFC adapter is null
        else {
            new AlertDialog.Builder(this).setTitle(R.string.nfc_off_dialog_title)
                    .setMessage(R.string.nfc_off_dialog_message)
                    .setPositiveButton(R.string.yes_button, new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            Intent intent = new Intent(Settings.ACTION_NFC_SETTINGS);
                            startActivity(intent);
                        }
                    }).setNegativeButton(R.string.no_button, new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            // Do nothing, close dialog
                        }
                    }).show();
        }
    }
}

From source file:com.moonpi.tapunlock.MainActivity.java

@Override
protected void onNewIntent(Intent intent) {
    String action = intent.getAction();

    if (NfcAdapter.ACTION_TECH_DISCOVERED.equals(action)) {
        Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);

        // Get tag ID and turn into String
        byte[] tagIDbytes = tag.getId();
        tagID = bytesToHex(tagIDbytes);// ww  w  .  java  2 s .c  om

        if (!tagID.equals("")) {
            // Dismiss the 'Scan NFC Tag' dialog and show the 'Set tag name' dialog
            dismissDialog(DIALOG_READ);

            imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);

            MainActivity.this.showDialog(DIALOG_SET_TAGNAME);
        }
    }
}

Example usage for android.nfc NfcAdapter ACTION_TECH_DISCOVERED

Introduction

Prototype

Document

Usage