Java Code Examples for android.nfc.NfcAdapter#ACTION_TECH_DISCOVERED

The following examples show how to use android.nfc.NfcAdapter#ACTION_TECH_DISCOVERED . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: MainActivity.java    From flutter-nfc-app with MIT License 6 votes vote down vote up 
@TargetApi(Build.VERSION_CODES.KITKAT)
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    GeneratedPluginRegistrant.registerWith(this);

    Log.i("", "onCreate");

    mAdapter = NfcAdapter.getDefaultAdapter(this);
    if (mAdapter == null) {
        Log.i("", "mAdapter null");
    }

    mPendingIntent = PendingIntent.getActivity(
            this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);

    mFilters = new IntentFilter[]{new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED)};

    mTechLists = new String[][]{new String[]{IsoDep.class.getName()}};

    new MethodChannel(getFlutterView(), CHANNEL).setMethodCallHandler(
            new MethodChannel.MethodCallHandler() {
                @Override
                public void onMethodCall(MethodCall call, MethodChannel.Result result) {
                    if (call.method.equals("getPlatformVersion")) {
                        result.success("Android ${android.os.Build.VERSION.RELEASE}");
                    } else if (call.method.equals("getCardUID")) {
                        result.success(getCardUID());
                    } else if (call.method.equals("getVersion")) {
                        String commands = call.argument("commands");
                        result.success(getVersion(commands));
                    } else {
                        result.notImplemented();
                    }
                }
            });
}
Example 2
Source File: WifiNetworkActivity.java    From WiFiKeyShare with GNU General Public License v3.0 6 votes vote down vote up 
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 {
        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[][] {};
}
Example 3
Source File: MainActivity.java    From bankomatinfos with GNU General Public License v3.0 6 votes vote down vote up 
@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);

	// find view elements
	_viewProgressStatus = findViewById(R.id.read_card_status);
	_viewNfcLogo = findViewById(R.id.imageViewNfcLogo);
	_viewTextViewShowCard = findViewById(R.id.textViewYourCardPlease);

	// NFC stuff
	_pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this,
			getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
	_filters = new IntentFilter[] { new IntentFilter(
			NfcAdapter.ACTION_TECH_DISCOVERED) };
	_techLists = new String[][] { { "android.nfc.tech.NfcA" } };
	_nfcAdapter = NfcAdapter.getDefaultAdapter(this);

	// create last changes dialog if needed
	displayWhatsNew();

}
Example 4
Source File: NfcDetectorActivity.java    From effective_android_sample with Apache License 2.0 6 votes vote down vote up 
/**
    * 
    * 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};
       
       nfcStateChangeBroadcastReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
			final int state = intent.getIntExtra(EXTRA_ADAPTER_STATE, -1);
			if(state == STATE_OFF || state == STATE_ON) {
				
				runOnUiThread(new Runnable() {
				    public void run() {
						if(state == STATE_ON) {
							if(detecting) {
								enableForeground();
							}
						} 

				    	detectNfcStateChanges();
				    }
				});
			}
		}
	};
}
Example 5
Source File: MainActivity.java    From android-nfc-tag-read-write with MIT License 5 votes vote down vote up 
@Override
protected void onResume() {
    super.onResume();
    IntentFilter tagDetected = new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED);
    IntentFilter ndefDetected = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED);
    IntentFilter techDetected = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);
    IntentFilter[] nfcIntentFilter = new IntentFilter[]{techDetected,tagDetected,ndefDetected};

    PendingIntent pendingIntent = PendingIntent.getActivity(
            this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
    if(mNfcAdapter!= null)
        mNfcAdapter.enableForegroundDispatch(this, pendingIntent, nfcIntentFilter, null);

}
Example 6
Source File: TagDispatcher.java    From GreenBits with GNU General Public License v3.0 5 votes vote down vote up 
private void enableForegroundDispatch(NfcAdapter adapter, Intent intent) {
    if(adapter.isEnabled()) {
        PendingIntent tagIntent = PendingIntent.getActivity(activity, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
        IntentFilter tag = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);

        adapter.enableForegroundDispatch(activity, tagIntent, new IntentFilter[]{tag},
                                         new String[][]{new String[]{IsoDep.class.getName()}});
    }
}
Example 7
Source File: TagDispatcher.java    From nordpol with MIT License 5 votes vote down vote up 
private void enableForegroundDispatch(NfcAdapter adapter, Intent intent) {
    if(adapter.isEnabled()) {
        PendingIntent tagIntent = PendingIntent.getActivity(activity, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
        IntentFilter tag = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);
        adapter.enableForegroundDispatch(activity, tagIntent, new IntentFilter[]{tag},
                                         new String[][]{new String[]{IsoDep.class.getName()}});
    }
}
Example 8
Source File: NfcDetectorActivity.java    From external-nfc-api with Apache License 2.0 5 votes vote down vote up 
/**
    * 
    * 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);
       IntentFilter tagLost = new IntentFilter(ACTION_TAG_LEFT_FIELD);
       
       writeTagFilters = new IntentFilter[] {ndefDetected, tagDetected, techDetected, tagLost};
       
       nfcStateChangeBroadcastReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
			final int state = intent.getIntExtra(EXTRA_ADAPTER_STATE, -1);
			if(state == STATE_OFF || state == STATE_ON) {
				
				runOnUiThread(new Runnable() {
				    public void run() {
						if(state == STATE_ON) {
							if(detecting) {
								enableForeground();
							}
						} 

				    	detectNfcStateChanges();
				    }
				});
			}
		}
	};
}
Example 9
Source File: TagDispatcher.java    From WalletCordova with GNU Lesser General Public License v2.1 5 votes vote down vote up 
private void enableForegroundDispatch(NfcAdapter adapter, Intent intent) {
    if(adapter.isEnabled()) {
        PendingIntent tagIntent = PendingIntent.getActivity(activity, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
        IntentFilter tag = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);

        adapter.enableForegroundDispatch(activity, tagIntent, new IntentFilter[]{tag},
                                         new String[][]{new String[]{IsoDep.class.getName()}});
    }
}
Example 10
Source File: NfcUtil.java    From zap-android with MIT License 4 votes vote down vote up 
public static IntentFilter[] IntentFilters() {
    IntentFilter tagDetected = new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED);
    IntentFilter ndefDetected = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED);
    IntentFilter techDetected = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);
    return new IntentFilter[]{techDetected, tagDetected, ndefDetected};
}