Java 类android.nfc.NfcAdapter 实例源码

项目：TapIn 文件：HubMain.java

@Override
public void onNewIntent(Intent intent)
{
    super.onNewIntent(intent);

    if(intent.hasExtra(NfcAdapter.EXTRA_TAG ))
    {
        if(BackgroundTask.isNetworkAvailable(HubMain.this))
        {
            gifImageView.setVisibility(View.INVISIBLE);
            spinner.setVisibility(View.VISIBLE);
        }
        Parcelable[] parcelables = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);

        if(parcelables != null && parcelables.length > 0)
        {
            readTextfromMessage((NdefMessage)parcelables[0]);
        }
    }
}

项目：polling-station-app 文件：PassportConActivity.java

/**
 * Setup the recognition of nfc tags when the activity is opened (foreground)
 *
 * @param activity The corresponding {@link Activity} requesting the foreground dispatch.
 * @param adapter The {@link NfcAdapter} used for the foreground dispatch.
 */
public static void setupForegroundDispatch(final Activity activity, NfcAdapter adapter) {
    final Intent intent = new Intent(activity.getApplicationContext(), activity.getClass());
    intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);

    final PendingIntent pendingIntent = PendingIntent.getActivity(activity.getApplicationContext(), 0, intent, 0);

    IntentFilter[] filters = new IntentFilter[1];
    String[][] techList = new String[][]{};

    // Filter for nfc tag discovery
    filters[0] = new IntentFilter();
    filters[0].addAction(NfcAdapter.ACTION_TAG_DISCOVERED);
    filters[0].addCategory(Intent.CATEGORY_DEFAULT);

    adapter.enableForegroundDispatch(activity, pendingIntent, filters, techList);
}

项目：android-nfc 文件：ReadTextActivity.java

/**
 * 读取NFC标签文本数据
 */
private void readNfcTag(Intent intent) {
    if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(intent.getAction())) {
        Parcelable[] rawMsgs = intent.getParcelableArrayExtra(
                NfcAdapter.EXTRA_NDEF_MESSAGES);
        NdefMessage msgs[] = null;
        int contentSize = 0;
        if (rawMsgs != null) {
            msgs = new NdefMessage[rawMsgs.length];
            for (int i = 0; i < rawMsgs.length; i++) {
                msgs[i] = (NdefMessage) rawMsgs[i];
                contentSize += msgs[i].toByteArray().length;
            }
        }
        try {
            if (msgs != null) {
                NdefRecord record = msgs[0].getRecords()[0];
                String textRecord = parseTextRecord(record);
                mTagText += textRecord + "\n\ntext\n" + contentSize + " bytes";
            }
        } catch (Exception e) {
        }
    }
}

项目：OpenLibre 文件：MainActivity.java

private void resolveIntent(Intent data) {
    this.setIntent(data);

    if ((data.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) != 0) {
        return;
    }

    if (NfcAdapter.ACTION_TECH_DISCOVERED.equals(data.getAction())) {
        mLastNfcTag = data.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        long now = new Date().getTime();

        if (mContinuousSensorReadingFlag) {
            startContinuousSensorReadingTimer();

        } else if (now - mLastScanTime > 5000) {
            DataPlotFragment dataPlotFragment = (DataPlotFragment)
                    mSectionsPagerAdapter.getRegisteredFragment(R.integer.viewpager_page_show_scan);
            if (dataPlotFragment != null) {
                dataPlotFragment.clearScanData();
            }

            new NfcVReaderTask(this).execute(mLastNfcTag);
        }
    }
}

项目：iosched-reader 文件：BeamUtils.java

/**
 * 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);
        }
    }
}

项目：okwallet 文件：WalletActivity.java

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

    if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) {
        final String inputType = intent.getType();
        final NdefMessage ndefMessage = (NdefMessage) intent
                .getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES)[0];
        final byte[] input = Nfc.extractMimePayload(Constants.MIMETYPE_TRANSACTION, ndefMessage);

        new BinaryInputParser(inputType, input) {
            @Override
            protected void handlePaymentIntent(final PaymentIntent paymentIntent) {
                cannotClassify(inputType);
            }

            @Override
            protected void error(final int messageResId, final Object... messageArgs) {
                dialog(WalletActivity.this, null, 0, messageResId, messageArgs);
            }
        }.parse();
    }
}

项目：nfc-react-native-simple 文件：NfcReactNativeSimpleModule.java

@Override
    public void onNewIntent(Intent intent) 
    {
          String action = intent.getAction();
//      Log.i("!intent! ", action);

          Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);

        byte[] id = tag.getId();
        String serialNumber = bytesToHex(id);
        WritableMap idData = Arguments.createMap();
        idData.putString("id", serialNumber);

        sendEvent(this.reactContext, "NFCCardID", idData);

    }

项目：iBeaconReader 文件：MainActivity.java

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

    pendingIntent = PendingIntent.getActivity(
            this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
    IntentFilter mifare = new IntentFilter((NfcAdapter.ACTION_TECH_DISCOVERED));
    filters = new IntentFilter[] { mifare };
    techs = new String[][] { new String[] {NfcA.class.getName() } };
    if(adapter==null)
    {
        adapter = NfcAdapter.getDefaultAdapter(this);
    }

    imageView = (ImageView) findViewById(R.id.imageView);

    imageView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Animation rotation = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.rotation);

            imageView.startAnimation(rotation);
        }
    });
}

项目：react-native-nfc-manager 文件：NfcManager.java

@ReactMethod
  private void registerTagEvent(String alertMessage, Boolean invalidateAfterFirstRead, Callback callback) {
      Log.d(LOG_TAG, "registerTag");
isForegroundEnabled = true;

// capture all mime-based dispatch NDEF
IntentFilter ndef = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED);
try {
    ndef.addDataType("*/*");
} catch (MalformedMimeTypeException e) {
    throw new RuntimeException("fail", e);
   }
intentFilters.add(ndef);

// capture all rest NDEF, such as uri-based
      intentFilters.add(new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED));
techLists.add(new String[]{Ndef.class.getName()});

// for those without NDEF, get them as tags
      intentFilters.add(new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED));

if (isResumed) {
    enableDisableForegroundDispatch(true);
}
      callback.invoke();
    }

项目：AndroidthingsStudy 文件：ForegroundNdefPush.java

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

    mAdapter = NfcAdapter.getDefaultAdapter(this);

    // Create an NDEF message a URL
    mMessage = new NdefMessage(NdefRecord.createUri("http://www.android.com"));

    setContentView(R.layout.foreground_dispatch);
    mText = (TextView) findViewById(R.id.text);

    if (mAdapter != null) {
        mAdapter.setNdefPushMessage(mMessage, this);
        mText.setText("Tap another Android phone with NFC to push a URL");
    } else {
        mText.setText("This phone is not NFC enabled.");
    }
}

项目：mobile-store 文件：RepoDetailsActivity.java

private void processIntent(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());
        Utils.debugLog(TAG, "Got this URL: " + url);
        Toast.makeText(this, "Got this URL: " + url, Toast.LENGTH_LONG).show();
        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
        intent.setClass(this, ManageReposActivity.class);
        startActivity(intent);
        finish();
    }
}

项目：mobile-store 文件：RepoDetailsActivity.java

@TargetApi(16)
private void prepareNfcMenuItems(Menu menu) {
    NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
    MenuItem menuItem = menu.findItem(R.id.menu_enable_nfc);

    if (nfcAdapter == null) {
        menuItem.setVisible(false);
        return;
    }

    boolean needsEnableNfcMenuItem;
    if (Build.VERSION.SDK_INT < 16) {
        needsEnableNfcMenuItem = !nfcAdapter.isEnabled();
    } else {
        needsEnableNfcMenuItem = !nfcAdapter.isNdefPushEnabled();
    }

    menuItem.setVisible(needsEnableNfcMenuItem);
}

项目：mobile-store 文件：NfcHelper.java

@TargetApi(16)
public static void setAndroidBeam(Activity activity, String packageName) {
    if (Build.VERSION.SDK_INT < 16) {
        return;
    }
    PackageManager pm = activity.getPackageManager();
    NfcAdapter nfcAdapter = getAdapter(activity);
    if (nfcAdapter != null) {
        ApplicationInfo appInfo;
        try {
            appInfo = pm.getApplicationInfo(packageName, PackageManager.GET_META_DATA);
            Uri[] uris = {
                    Uri.parse("file://" + appInfo.publicSourceDir),
            };
            nfcAdapter.setBeamPushUris(uris, activity);
        } catch (PackageManager.NameNotFoundException e) {
            Log.e(TAG, "Could not get application info", e);
        }
    }
}

项目：polling-station-app 文件：PassportConActivity.java

/**
 * This activity usually be loaded from the starting screen of the app.
 * This method handles the start-up of the activity, it does not need to call any other methods
 * since the activity onNewIntent() calls the intentHandler when a NFC chip is detected.
 */
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    Bundle extras = getIntent().getExtras();
    documentData = (DocumentData) extras.get(DocumentData.identifier);
    thisActivity = this;

    setContentView(R.layout.activity_passport_con);
    Toolbar appBar = (Toolbar) findViewById(R.id.app_bar);
    setSupportActionBar(appBar);
    Util.setupAppBar(appBar, this);
    TextView notice = (TextView) findViewById(R.id.notice);
    progressView = (ImageView) findViewById(R.id.progress_view);

    mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
    checkNFCStatus();
    notice.setText(R.string.nfc_enabled);
}

项目：android-nfc 文件：WriteMUActivity.java

@Override
public void onNewIntent(Intent intent) {
    Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
    String[] techList = tag.getTechList();
    boolean haveMifareUltralight = false;
    for (String tech : techList) {
        if (tech.indexOf("MifareUltralight") >= 0) {
            haveMifareUltralight = true;
            break;
        }
    }
    if (!haveMifareUltralight) {
        Toast.makeText(this, "不支持MifareUltralight数据格式", Toast.LENGTH_SHORT).show();
        return;
    }
    writeTag(tag);
}

项目：android-nfc 文件：ReadMUActivity.java

@Override
public void onNewIntent(Intent intent) {
    Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
    String[] techList = tag.getTechList();
    boolean haveMifareUltralight = false;
    for (String tech : techList) {
        if (tech.indexOf("MifareUltralight") >= 0) {
            haveMifareUltralight = true;
            break;
        }
    }
    if (!haveMifareUltralight) {
        Toast.makeText(this, "不支持MifareUltralight数据格式", Toast.LENGTH_SHORT).show();
        return;
    }
    String data = readTag(tag);
    if (data != null)
        Toast.makeText(this, data, Toast.LENGTH_SHORT).show();
}

项目：android-nfc 文件：WriteUriActivity.java

public void onNewIntent(Intent intent) {
    Tag detectedTag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
    NdefMessage ndefMessage = new NdefMessage(new NdefRecord[]{createUriRecord(mUri)});
    boolean result = writeTag(ndefMessage, detectedTag);
    if (result) {
        Toast.makeText(this, "写入成功", Toast.LENGTH_SHORT).show();
    } else {
        Toast.makeText(this, "写入失败", Toast.LENGTH_SHORT).show();
    }
}

项目：cordova-plugin-mifare-ultralight 文件：CordovaPluginMifareUltralight.java

private void connect(final CallbackContext callbackContext) {
    cordova.getThreadPool().execute(new Runnable() {
        @Override
        public void run() {
            if (getIntent() == null) { // Lost Tag
                clean(callbackContext, "No tag available.");
                return;
            }

            final Tag tag = savedIntent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
            if (tag == null) {
                clean(callbackContext, "No tag available.");
                return;
            }
            try {
                Log.i(TAG, "Tag is: " + tag);
                mifareUltralight.connect(tag);
                callbackContext.success();
            } catch (final Exception e) {
                clean(callbackContext, e);
            }
        }
    });
}

项目：cordova-plugin-mifare-ultralight 文件：CordovaPluginMifareUltralight.java

private void unlock(final CallbackContext callbackContext, final int pin) {
    cordova.getThreadPool().execute(new Runnable() {
        @Override
        public void run() {
            if (getIntent() == null) { // Lost Tag
                clean(callbackContext, "No tag available.");
                return;
            }

            final Tag tag = savedIntent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
            if (tag == null) {
                clean(callbackContext, "No tag available.");
                return;
            }
            try {
                mifareUltralight.unlockWithPin(pin);
                callbackContext.success();
            } catch (final Exception e) {
                clean(callbackContext, e);
            }
        }
    });
}

项目：AndroidthingsStudy 文件：Beam.java

/**
 * Parses the NDEF Message from the intent and prints to the TextView
 */
void processIntent(Intent intent) {
    Parcelable[] rawMsgs = intent.getParcelableArrayExtra(
            NfcAdapter.EXTRA_NDEF_MESSAGES);
    // only one message sent during the beam
    NdefMessage msg = (NdefMessage) rawMsgs[0];
    // record 0 contains the MIME type, record 1 is the AAR, if present
    mInfoText.setText(new String(msg.getRecords()[0].getPayload()));
}

项目：cordova-plugin-mifare-ultralight 文件：CordovaPluginMifareUltralight.java

private void stopNfc() {
    Log.d(TAG, "stopNfc");
    getActivity().runOnUiThread(new Runnable() {
        public void run() {

            NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());

            if (nfcAdapter != null) {
                try {
                    nfcAdapter.disableForegroundDispatch(getActivity());
                } catch (IllegalStateException e) {
                    // issue 125 - user exits app with back button while nfc
                    Log.w(TAG, "Illegal State Exception stopping NFC. Assuming application is terminating.");
                }
            }
        }
    });
}

项目：cordova-plugin-mifare-ultralight 文件：CordovaPluginMifareUltralight.java

private void parseMessage() {
    cordova.getThreadPool().execute(new Runnable() {
        @Override
        public void run() {
            Log.d(TAG, "parseMessage " + getIntent());
            Intent intent = getIntent();
            String action = intent.getAction();
            Log.d(TAG, "action " + action);
            if (action == null) {
                return;
            }

            Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
            if (action.equals(NfcAdapter.ACTION_TAG_DISCOVERED)) {
                fireTagEvent(tag, "mifareTagDiscovered");
            }
            setIntent(new Intent());
        }
    });
}

项目：chromium-for-android-56-debug-video 文件：BeamController.java

/**
 * If the device has NFC, construct a BeamCallback and pass it to Android.
 *
 * @param activity Activity that is sending out beam messages.
 * @param provider Provider that returns the URL that should be shared.
 */
public static void registerForBeam(final Activity activity, final BeamProvider provider) {
    final NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(activity);
    if (nfcAdapter == null) return;
    if (ApiCompatibilityUtils.checkPermission(
            activity, Manifest.permission.NFC, Process.myPid(), Process.myUid())
            == PackageManager.PERMISSION_DENIED) {
        return;
    }
    try {
        final BeamCallback beamCallback = new BeamCallback(activity, provider);
        nfcAdapter.setNdefPushMessageCallback(beamCallback, activity);
        nfcAdapter.setOnNdefPushCompleteCallback(beamCallback, activity);
    } catch (IllegalStateException e) {
        Log.w("BeamController", "NFC registration failure. Can't retry, giving up.");
    }
}

项目：buildAPKsSamples 文件：Beam.java

/**
 * Parses the NDEF Message from the intent and prints to the TextView
 */
void processIntent(Intent intent) {
    Parcelable[] rawMsgs = intent.getParcelableArrayExtra(
            NfcAdapter.EXTRA_NDEF_MESSAGES);
    // only one message sent during the beam
    NdefMessage msg = (NdefMessage) rawMsgs[0];
    // record 0 contains the MIME type, record 1 is the AAR, if present
    mInfoText.setText(new String(msg.getRecords()[0].getPayload()));
}

项目：Quick-Tip-Consumer 文件：NFCReadActivity.java

private void nfcInit(){
    TextView notice= (TextView) findViewById(R.id.nfc_notice);
    // 监听扫描NFC
    IntentFilter ifilters=new IntentFilter();
    ifilters.addAction(NfcAdapter.ACTION_NDEF_DISCOVERED);  //NDEF
    nfcAdapter=NfcAdapter.getDefaultAdapter(this);
    pi=PendingIntent.getActivity(this,0,new Intent(this,getClass()),0);
    if(nfcAdapter==null){
        NFCSupport=false;
        Toast.makeText(this,"Device dose not support NFC!",Toast.LENGTH_LONG).show();
        notice.setText("Device dose not support NFC!");
    }
    else if(nfcAdapter!=null&&!nfcAdapter.isEnabled()){
        NFCSupport=false;
        Toast.makeText(this,"Please turn on NFC in your setting.",Toast.LENGTH_LONG).show();
        notice.setText("Please turn on NFC in your setting.");
    }
    else{
        NFCSupport=true;
    }
}

项目：Quick-Tip-Consumer 文件：NFCReadActivity.java

private String readNFCTag(Intent intent){
    String response=null;
    if(NfcAdapter.ACTION_NDEF_DISCOVERED.equals(intent.getAction())){
        //从标签读取数据
        Parcelable[] nfcMsgs=intent.getParcelableArrayExtra(
                NfcAdapter.EXTRA_NDEF_MESSAGES
        );
        NdefMessage msgs[]=null;
        int contentSize=0;
        if(nfcMsgs!=null){
            msgs=new NdefMessage[nfcMsgs.length];
            // 标签可能存储多个NdefMessage对象，一般情况下只有一个
            for(int i=0;i<nfcMsgs.length;i++){
                // 转换为NdefMessage对象
                msgs[i]= (NdefMessage) nfcMsgs[i];
                // 计算数据的总长度
                contentSize+=msgs[i].toByteArray().length;
            }
        }
        try{
            if(msgs!=null){
                // 只读第一个信息
                NdefRecord record=msgs[0].getRecords()[0];
                response=parseTextRecord(record);
                System.out.println(response);
            }
        }
        catch (Exception e){
            Toast.makeText(getApplicationContext(),e.getMessage(),Toast.LENGTH_LONG).show();
        }
    }
    return response;
}

项目：iosched-reader 文件：BeamUtils.java

/**
 * 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);
}

项目：mensacard-hack 文件：NfcPlugin.java

private void startNfc() {
    createPendingIntent(); // onResume can call startNfc before execute

    getActivity().runOnUiThread(new Runnable() {
        public void run() {
            NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());

            if (nfcAdapter != null && !getActivity().isFinishing()) {
                try {
                    nfcAdapter.enableForegroundDispatch(getActivity(), getPendingIntent(), getIntentFilters(), getTechLists());

                    if (p2pMessage != null) {
                        nfcAdapter.setNdefPushMessage(p2pMessage, getActivity());
                    }
                } catch (IllegalStateException e) {
                    // issue 110 - user exits app with home button while nfc is initializing
                    Log.w(TAG, "Illegal State Exception starting NFC. Assuming application is terminating.");
                }

            }
        }
    });
}

项目：mensacard-hack 文件：NfcPlugin.java

private void stopNfc() {
    Log.d(TAG, "stopNfc");
    getActivity().runOnUiThread(new Runnable() {
        public void run() {

            NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());

            if (nfcAdapter != null) {
                try {
                    nfcAdapter.disableForegroundDispatch(getActivity());
                } catch (IllegalStateException e) {
                    // issue 125 - user exits app with back button while nfc
                    Log.w(TAG, "Illegal State Exception stopping NFC. Assuming application is terminating.");
                }
            }
        }
    });
}

项目：mensacard-hack 文件：NfcPlugin.java

private void startNdefPush(final CallbackContext callbackContext) {
    getActivity().runOnUiThread(new Runnable() {
        public void run() {

            NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());

            if (nfcAdapter == null) {
                callbackContext.error(STATUS_NO_NFC);
            } else if (!nfcAdapter.isNdefPushEnabled()) {
                callbackContext.error(STATUS_NDEF_PUSH_DISABLED);
            } else {
                nfcAdapter.setNdefPushMessage(p2pMessage, getActivity());
                nfcAdapter.setOnNdefPushCompleteCallback(NfcPlugin.this, getActivity());

                PluginResult result = new PluginResult(PluginResult.Status.NO_RESULT);
                result.setKeepCallback(true);
                shareTagCallback = callbackContext;
                callbackContext.sendPluginResult(result);
            }
        }
    });
}

项目：CustomAndroidOneSheeld 文件：NfcUtils.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD_MR1) {
        NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
        Intent intent = getIntent();
        String action = intent.getAction();
        if (action != null) {
            if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action) || NfcAdapter.ACTION_TECH_DISCOVERED.equals(action) || NfcAdapter.ACTION_TAG_DISCOVERED.equals(action)) {
                if (nfcAdapter != null && nfcAdapter.isEnabled()) {
                    if (((OneSheeldApplication) getApplication()).getRunningShields().get(UIShield.NFC_SHIELD.name()) != null) {
                        ((NfcShield) ((OneSheeldApplication) getApplication()).getRunningShields().get(UIShield.NFC_SHIELD.name())).handleIntent(intent);
                    }
                } else {
                    Toast.makeText(getApplicationContext(), R.string.nfc_nfc_disabled_toast, Toast.LENGTH_SHORT).show();
                }
            } else {
                startActivity(new Intent(this, MainActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP));
            }
        } else
            startActivity(new Intent(this, MainActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP));
    }
    finish();
}

项目：CustomAndroidOneSheeld 文件：NfcShield.java

public void registerNFCListener(boolean isToastable) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD_MR1) {
        NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(activity);
        if (nfcAdapter != null && nfcAdapter.isEnabled()) {
            setupForegroundDispatch();
            selectionAction.onSuccess();
        } else {
            if(nfcAdapter == null){
                if (isToastable) {
                    activity.showToast(R.string.nfc_device_doesnt_support_nfc);
                }
            }
            else {
                showSettingsDialogIfNfcIsNotEnabled();
            }
            selectionAction.onFailure();
        }
    } else {
        if (isToastable)
            activity.showToast(R.string.nfc_device_doesnt_support_nfc);
        selectionAction.onFailure();
    }
}

项目：RFID-Attendance 文件：NfcManager.java

/**
 * To be executed on onNewIntent of activity
 * @param intent
 */
public void onActivityNewIntent(Intent intent) {
    // TODO Check if the following line has any use 
    // activity.setIntent(intent);
    if (textToWrite == null)
        readTagFromIntent(intent);
    else {
        Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        try {
            writeTag(activity, tag, textToWrite);
            onTagWriteListener.onTagWritten();
        } catch (NFCWriteException exception) {
            onTagWriteErrorListener.onTagWriteError(exception);
        } finally {
            textToWrite = null;
        }
    }
}

项目：Movie-Notifier-Android 文件：WatcherBottomSheet.java

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

    cinemas = DBHelper.getInstance(getContext()).getCinemas();

    watcher = new Gson().fromJson(getArguments().getString("watcher"), Watcher.class);

    nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
    if(nfcAdapter != null) {
        nfcAdapter.setNdefPushMessageCallback(new NfcAdapter.CreateNdefMessageCallback() {
            @Override
            public NdefMessage createNdefMessage(NfcEvent nfcEvent) {
                return new NdefMessage(
                        new NdefRecord[] {
                                NdefRecord.createUri(BuildConfig.SERVER_BASE_URL + "w/" + watcher.getID()),
                                NdefRecord.createApplicationRecord(BuildConfig.APPLICATION_ID)
                        }
                );
            }
        }, getActivity());
    }
}

项目：GravityBox 文件：ConnectivityServiceWrapper.java

private static void sendNfcState(ResultReceiver receiver) {
    if (mContext == null || receiver == null) return;
    int nfcState = NFC_STATE_UNKNOWN;
    try {
        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mContext);
        if (adapter != null) {
            nfcState = (Integer) XposedHelpers.callMethod(adapter, "getAdapterState");
        }
    } catch (Throwable t) {
        XposedBridge.log(t);
    } finally {
        Bundle b = new Bundle();
        b.putInt("nfcState", nfcState);
        receiver.send(0, b);
    }
}

项目：PairingExample 文件：MainActivity.java

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

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

        String type = intent.getType();

        if (type.equals("application/vnd.bluetooth.ep.oob"))
        {
            Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
            new NdefReaderTask().execute(tag);

        }
        else
        {
            Log.d(TAG, "Wrong mime type: " + type);
        }
    }
}

项目：wNFCard 文件：NewCardActivity.java

private void resolveIntent(Intent intent) {
    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);
            Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
            showTagId(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 };
        }
        // Setup the views
        //buildTagViews(msgs);
    }
}

项目：TraiNFCUI 文件：Tap.java

@Override
protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);

    if (intent.hasExtra(NfcAdapter.EXTRA_TAG)) {
        Toast.makeText(this, "NfcIntent!", Toast.LENGTH_SHORT).show();

        Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        NdefMessage ndefMessage = createNdefMessage("My string content!");

        writeNdefMessage(tag, ndefMessage);
    }
}

项目：NFC-UID-Emulator 文件：MainActivity.java

void resolveIntent(Intent intent) {
    Log.i("test", "start method");
    // 1) Parse the intent and get the action that triggered this intent
    String action = intent.getAction();
    // 2) Check if it was triggered by a tag discovered interruption.
    if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(action)) {
        Log.i("test", "in if");
        //  3) Get an instance of the TAG from the NfcAdapter
        Tag tagFromIntent = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
        byte[] id = tagFromIntent.getId();
        try {
            lastDetectUid = getHexString(id);
            // 讀到tag即自動填寫uid欄位
            if(dialogRecordUid != null && dialogRecordUid.isShown()){
                dialogRecordUid.setText(lastDetectUid);
            }else{
                ShowAddNewDialog();
            }
        } catch (Exception e1) {
            e1.printStackTrace();
        }
    }// End of method
    else {
        Log.i("Error", action);
    }
    Log.i("test", "end method");
}

项目：iBeaconReader 文件：MainActivity.java

public void onNewIntent (Intent intent) {
    Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
    byte[] id = tag.getId();
    ByteBuffer wrapped = ByteBuffer.wrap(id);
    wrapped.order(ByteOrder.LITTLE_ENDIAN);
    int signedInt = wrapped.getInt();
    long number = signedInt & 0xfffffff1;
    Evt(number);
}