Example usage for android.nfc NfcAdapter getDefaultAdapter

Introduction

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

Prototype

public static NfcAdapter getDefaultAdapter(Context context) 

Source Link

Document

Helper to get the default NFC Adapter.

Usage

From source file:org.ndeftools.NfcDetectorActivity.java

/**
 * /*from ww w.j  a  v  a  2s . c  om*/
 * Initialize Nfc fields
 * 
 */

protected void initializeNfc() {
    nfcAdapter = NfcAdapter.getDefaultAdapter(this);
    nfcPendingIntent = PendingIntent.getActivity(this, 0,
            new Intent(this, this.getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);

    IntentFilter tagDetected = new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED);
    IntentFilter ndefDetected = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED);
    IntentFilter techDetected = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);
    writeTagFilters = new IntentFilter[] { ndefDetected, tagDetected, techDetected };
}

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From source file:com.battlelancer.seriesguide.ui.OverviewActivity.java

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
@Override/*www. ja  va 2s.  c o  m*/
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_overview);
    setupActionBar();
    setupNavDrawer();

    mShowId = getIntent().getIntExtra(OverviewFragment.InitBundle.SHOW_TVDBID, -1);
    if (mShowId == -1) {
        finish();
        return;
    }

    setupViews(savedInstanceState);

    // Support beaming shows via Android Beam
    if (AndroidUtils.isICSOrHigher()) {
        mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
        if (mNfcAdapter != null) {
            mNfcAdapter.setNdefPushMessageCallback(new CreateNdefMessageCallback() {
                @Override
                public NdefMessage createNdefMessage(NfcEvent event) {
                    final Series show = DBUtils.getShow(OverviewActivity.this, mShowId);
                    // send id, also title and overview (both can be empty)
                    return new NdefMessage(new NdefRecord[] {
                            createMimeRecord("application/com.battlelancer.seriesguide.beam",
                                    String.valueOf(mShowId).getBytes()),
                            createMimeRecord("application/com.battlelancer.seriesguide.beam",
                                    show.getTitle().getBytes()),
                            createMimeRecord("application/com.battlelancer.seriesguide.beam",
                                    show.getOverview().getBytes()) });
                }

                /**
                 * Creates a custom MIME type encapsulated in an NDEF record
                 */
                public NdefRecord createMimeRecord(String mimeType, byte[] payload) {
                    byte[] mimeBytes = mimeType.getBytes(Charset.forName("US-ASCII"));
                    return new NdefRecord(NdefRecord.TNF_MIME_MEDIA, mimeBytes, new byte[0], payload);
                }
            }, this);
        }
    }

    updateShowDelayed(mShowId);
}

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From source file:com.codebutler.farebot.activities.MainActivity.java

@Override
protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    setContentView(R.layout.activity_main);

    ActionBar actionBar = getActionBar();
    actionBar.setHomeButtonEnabled(false);

    mDataCache = new HashMap<String, TransitIdentity>();

    registerForContextMenu(getListView());

    mNfcAdapter = NfcAdapter.getDefaultAdapter(this);

    Intent intent = new Intent(this, ReadingTagActivity.class);
    intent.addFlags(/*  ww w.ja  va  2s  . c o m*/
            Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NO_HISTORY);
    mPendingIntent = PendingIntent.getActivity(this, 0, intent, 0);

    mTechLists = new String[][] { new String[] { IsoDep.class.getName() },
            new String[] { MifareClassic.class.getName() }, new String[] { MifareUltralight.class.getName() },
            new String[] { NfcF.class.getName() } };

    setListAdapter(new CardsAdapter());
    getLoaderManager().initLoader(0, null, this);
}

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From source file:com.example.android.beamlargefiles.BeamLargeFilesFragment.java

/**
 * Standard lifecycle event. Registers a callback for large-file transfer, by calling
 * NfcAdapter.setBeamPushUrisCallback().
 *
 * Note: Like sending NDEF messages over standard Android Beam, there is also a non-callback
 * API available. See: NfcAdapter.setBeamPushUris().
 *
 * @param savedInstanceState Saved instance state.
 *//*from  w  w  w  .ja  va  2s . c om*/
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);
    Activity a = getActivity();

    // Setup Beam to transfer a large file. Note the call to setBeamPushUrisCallback().
    // BEGIN_INCLUDE(setBeamPushUrisCallback)
    NfcAdapter nfc = NfcAdapter.getDefaultAdapter(a);
    if (nfc != null) {
        Log.w(TAG, "NFC available. Setting Beam Push URI callback");
        nfc.setBeamPushUrisCallback(this, a);
    } else {
        Log.w(TAG, "NFC is not available");
    }
    // END_INCLUDE(setBeamPushUrisCallback)
}

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From source file:com.example.android.cardreader.CardReaderFragment.java

private void disableReaderMode() {
    Log.i(TAG, "Disabling reader mode");
    Activity activity = getActivity();// w ww. jav a  2 s .  c  o  m
    NfcAdapter nfc = NfcAdapter.getDefaultAdapter(activity);
    if (nfc != null) {
        nfc.disableReaderMode(activity);
    }
}

---

From source file:com.android.cts.verifier.managedprovisioning.NfcTestActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.byod_nfc_test_activity);

    mAdminReceiverComponent = new ComponentName(this, DeviceAdminTestReceiver.class.getName());
    mDevicePolicyManager = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
    mUserMangaer = (UserManager) getSystemService(Context.USER_SERVICE);
    mDisallowByPolicy = getIntent().getBooleanExtra(EXTRA_DISALLOW_BY_POLICY, false);
    if (mDisallowByPolicy) {
        mDevicePolicyManager.addUserRestriction(mAdminReceiverComponent, UserManager.DISALLOW_OUTGOING_BEAM);
    }//from w w  w . jav a  2s .com

    final Uri uri = createUriForImage(SAMPLE_IMAGE_FILENAME, SAMPLE_IMAGE_CONTENT);
    Uri[] uris = new Uri[] { uri };

    mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
    mNfcAdapter.setBeamPushUris(uris, this);

    findViewById(R.id.manual_beam_button).setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View view) {
            mNfcAdapter.invokeBeam(NfcTestActivity.this);
        }
    });
    findViewById(R.id.intent_share_button).setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View view) {
            Intent shareIntent = new Intent(Intent.ACTION_SEND);
            shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
            shareIntent.setType("image/jpg");
            shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            // Specify the package name of NfcBeamActivity so that the tester don't need to
            // select the activity manually.
            shareIntent.setClassName(NFC_BEAM_PACKAGE, NFC_BEAM_ACTIVITY);
            try {
                startActivity(shareIntent);
            } catch (ActivityNotFoundException e) {
                Toast.makeText(NfcTestActivity.this, R.string.provisioning_byod_cannot_resolve_beam_activity,
                        Toast.LENGTH_SHORT).show();
                Log.e(TAG, "Nfc beam activity not found", e);
            }
        }
    });
}

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From source file:mai.whack.StickyNotesActivity.java

/** Called when the activity is first created. */
@Override//  w  ww  .  ja v a 2s  .co  m
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mNfcAdapter = NfcAdapter.getDefaultAdapter(this);

    setContentView(R.layout.main);
    findViewById(R.id.write_tag).setOnClickListener(mTagWriter);

    // Handle all of our received NFC intents in this activity.
    mNfcPendingIntent = PendingIntent.getActivity(this, 0,
            new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);

    // Intent filters for reading a note from a tag or exchanging over p2p.
    IntentFilter ndefDetected = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED);
    try {
        ndefDetected.addDataType("text/plain");
    } catch (MalformedMimeTypeException e) {
    }
    mNdefExchangeFilters = new IntentFilter[] { ndefDetected };

    // Intent filters for writing to a tag
    IntentFilter tagDetected = new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED);
    mWriteTagFilters = new IntentFilter[] { tagDetected };
}

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From source file:net.networksaremadeofstring.rhybudd.ViewZenossDeviceActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.view_zenoss_event_activity);

    triggerUIHandler = new Handler() {
        public void handleMessage(Message msg) {
            PopulatePager();/*from w ww .j  a va2  s .  c  o  m*/
        }
    };

    try {
        actionbar = getActionBar();
        actionbar.setDisplayHomeAsUpEnabled(true);
        actionbar.setHomeButtonEnabled(true);
        actionbar.setSubtitle(getResources().getString(R.string.ViewDeviceActivitySubtitle));
    } catch (Exception e) {
        BugSenseHandler.sendExceptionMessage("ViewZenossDevice", "OnCreate", e);
    }

    try {
        // Check for available NFC Adapter
        mNfcAdapter = NfcAdapter.getDefaultAdapter(this);

        if (null != mNfcAdapter) {
            // Register callback
            mNfcAdapter.setNdefPushMessageCallback(this, this);
        }
    } catch (Exception e) {
        BugSenseHandler.sendExceptionMessage("ViewZenossDevice", "NFC", e);
    }

    try {
        currentDeviceID = getIntent().getStringExtra(ViewZenossDeviceFragment.ARG_UID);
        //currentDeviceName = getIntent().getStringExtra(ViewZenossDeviceFragment.ARG_HOSTNAME);
    } catch (Exception e) {
        BugSenseHandler.sendExceptionMessage("ViewZenossDevice", "currentDeviceID", e);
    }

    try {
        DeviceNames = getIntent().getStringArrayListExtra(ViewZenossDeviceFragment.ARG_DEVICENAMES);
    } catch (Exception e) {
        BugSenseHandler.sendExceptionMessage("ViewZenossDevice", "DeviceNames", e);
    }

    try {
        DeviceIDs = getIntent().getStringArrayListExtra(ViewZenossDeviceFragment.ARG_DEVICEIDS);
    } catch (Exception e) {
        BugSenseHandler.sendExceptionMessage("ViewZenossDevice", "DeviceIDs", e);
    }
    //Log.e("ViewZenossDevice", "Checking...");

    if (null == DeviceNames || DeviceNames.size() == 0 || null == currentDeviceID
            || currentDeviceID.equals("")) {
        //Log.e("ViewZenossDevice", "No device names, fancy that!");
        try {
            /*Parcelable[] rawMsgs = getIntent().getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
            NdefMessage msg = (NdefMessage) rawMsgs[0];
            currentDeviceID = "/zport/dmd/Devices/" + msg.getRecords()[0].getPayload().toString();*/

            (new Thread() {
                public void run() {
                    try {
                        RhybuddDataSource datasource = new RhybuddDataSource(ViewZenossDeviceActivity.this);
                        datasource.open();
                        List<ZenossDevice> listOfDevices = datasource.GetRhybuddDevices();
                        datasource.close();

                        DeviceNames = new ArrayList<String>();
                        DeviceIDs = new ArrayList<String>();

                        for (ZenossDevice device : listOfDevices) {
                            DeviceNames.add(device.getname());
                            DeviceIDs.add(device.getuid());
                        }

                        processIntent(getIntent());
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }).start();
        } catch (Exception e) {
            e.printStackTrace();
        }
    } else {
        try {
            triggerUIHandler.sendEmptyMessage(UI_POPULATE);
        } catch (Exception e) {
            BugSenseHandler.sendExceptionMessage("ViewZenossDevice", "triggerUIHandler UI_POPULATE", e);
        }
    }
}

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From source file:ykim81.cs.brown.ykim81.cardreader.CardReaderFragment.java

private void enableReaderMode() {
    Activity activity = getActivity();//from   ww  w .  j a va 2  s  .co m
    NfcAdapter nfc = NfcAdapter.getDefaultAdapter(activity);
    if (nfc != null) {
        nfc.enableReaderMode(activity, mLoyaltyCardReader, READER_FLAGS, null);
    }
}

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From source file:org.nick.ghettounlock.GhettoTrustAgent.java

@Override
public void onCreate() {
    super.onCreate();

    localBroadcastManager = LocalBroadcastManager.getInstance(this);

    IntentFilter filter = new IntentFilter();
    filter.addAction(ACTION_GRANT_TRUST);
    filter.addAction(ACTION_REVOKE_TRUST);
    localBroadcastManager.registerReceiver(receiver, filter);

    setManagingTrust(getIsManagingTrust(this));

    PreferenceManager.getDefaultSharedPreferences(this).registerOnSharedPreferenceChangeListener(this);

    nfcAdapter = NfcAdapter.getDefaultAdapter(this);

    installUnlockHandler();/* ww w  .  ja  va2 s  . c  om*/

    dpm = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
    long maxTimeToLock = dpm.getMaximumTimeToLock(null);
    Log.d(TAG, "max time to lock: " + maxTimeToLock);
}

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