// Check whether NFC is enabled on the device on not
public static boolean isNFCEnabled(Context appContext) {
NfcManager manager = (NfcManager) appContext.getSystemService(Context.NFC_SERVICE);
NfcAdapter adapter = manager.getDefaultAdapter();
if (adapter != null && adapter.isEnabled()) {
Log.i(TAG, "NFC Supproted and Enabled");
return true;
} else if (adapter != null && !adapter.isEnabled()) {
Log.i(TAG, "NFC Supproted and Disabled");
return false;
}
return false;
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
if (nfcAdapter != null && nfcAdapter.isEnabled()) {
nfcAsyncTask = new NfcAsyncTask(intent);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
consumpties.add(new Consumptie(1, "Fanta"));
consumpties.add(new Consumptie(1, "Cola"));
consumpties.add(new Consumptie(1, "Sprite"));
consumpties.add(new Consumptie(2, "Grolsch Bier"));
consumpties.add(new Consumptie(3, "Witte Wijn"));
consumpties.add(new Consumptie(3, "Rode Wijn"));
consumpties.add(new Consumptie(3, "Speciaal Bier"));
nfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (nfcAdapter != null && nfcAdapter.isEnabled()) {
} else {
finish();
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getResources().getBoolean(R.bool.portrait_only)) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}
setContentView(R.layout.activity_review_poll);
setupActionBar();
if (getResources().getBoolean(R.bool.display_bottom_bar) == false) {
findViewById(R.id.layout_bottom_bar).setVisibility(View.GONE);
}
AndroidApplication.getInstance().setCurrentActivity(this);
AndroidApplication.getInstance().getNetworkInterface().lockGroup();
btnStartPollPeriod = (Button) findViewById(R.id.button_start_poll_period);
btnStartPollPeriod.setOnClickListener(this);
if (savedInstanceState != null) {
poll = (Poll) savedInstanceState.getSerializable("poll");
sender = savedInstanceState.getString("sender");
}
Poll intentPoll = (Poll) getIntent().getSerializableExtra("poll");
if (intentPoll != null) {
poll = intentPoll;
sender = getIntent().getStringExtra("sender");
}
FragmentManager fm = getFragmentManager();
fragment = new PollReviewFragment();
Bundle bundle = new Bundle();
bundle.putSerializable("poll", poll);
bundle.putString("sender", sender);
fragment.setArguments(bundle);
fm.beginTransaction().replace(R.id.fragment_container, fragment, "review").commit();
// Is NFC available on this device?
nfcAvailable = this.getPackageManager().hasSystemFeature(PackageManager.FEATURE_NFC);
if (nfcAvailable) {
nfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (nfcAdapter.isEnabled()) {
// Setting up a pending intent that is invoked when an NFC tag
// is tapped on the back
pendingIntent =
PendingIntent.getActivity(
this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
} else {
nfcAvailable = false;
}
}
}
@Override
protected void onResume() {
AndroidApplication.getInstance().setCurrentActivity(this);
LocalBroadcastManager.getInstance(NetworkConfigActivity.this)
.registerReceiver(
serviceStartedListener,
new IntentFilter(BroadcastIntentTypes.networkConnectionSuccessful));
active = true;
rescanWifiTask =
new AsyncTask<Object, Object, Object>() {
@Override
protected Object doInBackground(Object... arg0) {
while (active) {
SystemClock.sleep(5000);
wifi.startScan();
}
return null;
}
}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
if (nfcAdapter != null && nfcAdapter.isEnabled()) {
nfcAvailable = true;
}
// make sure that this activity is the first one which can handle the
// NFC tags
if (nfcAvailable) {
nfcAdapter.enableForegroundDispatch(this, pendingIntent, Utility.getNFCIntentFilters(), null);
}
super.onResume();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow()
.setFlags(
WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
// getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD);
setContentView(R.layout.activity_main);
mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (mNfcAdapter == null) {
// Stop here, we definitely need NFC
Toast.makeText(this, "This device doesn't support NFC.", Toast.LENGTH_LONG).show();
finish();
return;
}
if (!mNfcAdapter.isEnabled()) {
Toast.makeText(this, "NFC is disabled.", Toast.LENGTH_LONG).show();
}
handleIntent(getIntent());
}
private void enableNFCAdapterSenses() {
if (mAdapter != null) {
if (!mAdapter.isEnabled()) {
showWirelessSettingsDialog();
}
mAdapter.enableForegroundDispatch(this, mPendingIntent, null, null);
mAdapter.enableForegroundNdefPush(this, mNdefPushMessage);
}
}
public void setIcons() {
if (mNfcAdapter == null) {
item.setIcon(R.drawable.nfc_not_found);
} else if (!mNfcAdapter.isEnabled()) {
item.setIcon(R.drawable.nfc_off);
} else {
item.setIcon(R.drawable.nfc_on);
}
}
public static boolean checkNfcPowerStatus(Context context) {
NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(context);
boolean enabled = false;
if (nfcAdapter != null) {
enabled = nfcAdapter.isEnabled();
}
return enabled;
}
public void checkNfcAvailibility() {
nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
if (nfcAdapter == null) {
callbackContext.error(STATUS_NO_NFC);
} else if (!nfcAdapter.isEnabled()) {
callbackContext.error(STATUS_NFC_DISABLED);
} else {
callbackContext.success(STATUS_NFC_OK);
}
}
/**
* Check if the NFCAdapter is enable
*
* @return true if the NFCAdapter is available enable
*/
public static boolean isNfcEnable(final Context pContext) {
boolean ret = true;
try {
NfcAdapter adpater = NfcAdapter.getDefaultAdapter(pContext);
ret = adpater != null && adpater.isEnabled();
} catch (UnsupportedOperationException e) {
ret = false;
}
return ret;
}
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
void initNfcBox() {
if (mNfcAdapter.isEnabled()) {
useNFCBox.setChecked(true);
useNFC = true;
} else {
useNFCBox.setChecked(false);
useNFC = false;
}
}
@Override
protected void onResume() {
super.onResume();
if (mAdapter != null) {
if (!mAdapter.isEnabled()) {
showWirelessSettingsDialog();
}
mAdapter.enableForegroundDispatch(this, mPendingIntent, null, null);
}
};
public void checkNfc() {
if (mNfcAdapter == null) {
Toast.makeText(this, R.string.cannot_find_nfc, Toast.LENGTH_SHORT).show();
} else if (!mNfcAdapter.isEnabled()) {
Toast.makeText(this, R.string.disabled_nfc, Toast.LENGTH_SHORT).show();
initNfc();
} else {
Toast.makeText(this, R.string.nfc_is_enabled, Toast.LENGTH_SHORT).show();
initNfc();
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_pass_bolt_login);
resolveIntent(getIntent());
// Set up the login form.
mUserNameView = (AutoCompleteTextView) findViewById(R.id.username);
// populateAutoComplete();
mPasswordView = (EditText) findViewById(R.id.password);
emailLoginFormLayout = (LinearLayout) findViewById(R.id.email_login_form);
mCardIDView = (EditText) findViewById(R.id.card_id);
mCardIDView.setKeyListener(null);
Button mEmailSignInButton = (Button) findViewById(R.id.email_sign_in_button);
mEmailSignInButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View view) {
attemptLogin(view);
}
});
mLoginFormView = findViewById(R.id.login_form);
mProgressView = findViewById(R.id.login_progress);
mDialog = new AlertDialog.Builder(this).setNeutralButton("Ok", null).create();
mAdapter = NfcAdapter.getDefaultAdapter(this);
if (mAdapter == null) {
showMessage(R.string.error, R.string.no_nfc);
finish();
return;
}
if (!mAdapter.isEnabled()) {
showMessage(R.string.error, R.string.disabled_nfc);
finish();
return;
}
mPendingIntent =
PendingIntent.getActivity(
this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
mNdefPushMessage =
new NdefMessage(
new NdefRecord[] {
createNewTextRecord("Message from NFC Reader", Locale.ENGLISH, true)
});
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (mNfcAdapter == null || !mNfcAdapter.isEnabled()) {
Toast.makeText(this, "NFC is turn off or disabled", Toast.LENGTH_LONG).show();
}
handleIntend(getIntent());
}
@SuppressLint({"NewApi"})
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_write_uri);
// getActionBar().setDisplayHomeAsUpEnabled(true);
ctx = this;
Button btnWrite = (Button) findViewById(R.id.button);
final TextView message = (TextView) findViewById(R.id.edit_message);
btnWrite.setOnClickListener(
new View.OnClickListener() {
public void onClick(View v) {
try {
if (mytag == null) {
Toast.makeText(ctx, ctx.getString(R.string.error_detected), Toast.LENGTH_LONG)
.show();
} else {
// Write TNF_WELL_KNOWN with uri
write(message.getText().toString(), mytag);
// Write customize mime with content
// write(message.getText().toString(),mytag);
Toast.makeText(ctx, ctx.getString(R.string.ok_writing), Toast.LENGTH_LONG).show();
}
} catch (IOException e) {
Toast.makeText(ctx, ctx.getString(R.string.error_writing), Toast.LENGTH_LONG).show();
e.printStackTrace();
} catch (FormatException e) {
Toast.makeText(ctx, ctx.getString(R.string.error_writing), Toast.LENGTH_LONG).show();
e.printStackTrace();
}
}
});
adapter = NfcAdapter.getDefaultAdapter(this);
if (adapter == null) {
// NFC is not available
finish();
return;
}
if (!adapter.isEnabled()) {
// NFC is disabled
finish();
return;
}
pendingIntent =
PendingIntent.getActivity(
this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
IntentFilter tagDetected = new IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED);
tagDetected.addCategory(Intent.CATEGORY_DEFAULT);
writeTagFilters = new IntentFilter[] {tagDetected};
}
public void startReadingNfcV() {
nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
if (nfcAdapter == null) {
callbackContext.error(STATUS_NO_NFC);
} else if (!nfcAdapter.isEnabled()) {
callbackContext.error(STATUS_NFC_DISABLED);
} else {
this.isReading = true;
this.isWriting = false;
setupForegroundDispatch(getActivity(), nfcAdapter);
}
}
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
void setNfc(boolean checked) {
if (checked) {
useNFC = true;
if (!mNfcAdapter.isEnabled()) {
// goto sys pref to turn on nfc
Intent intent = new Intent(Settings.ACTION_NFC_SETTINGS);
startActivity(intent);
}
} else {
useNFC = false;
}
}
private void initNFC() {
nfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (nfcAdapter == null) {
Toast.makeText(this, getString(R.string.nfc_feature_not_supported_txt), Toast.LENGTH_LONG)
.show();
finish();
return;
}
if (!nfcAdapter.isEnabled()) {
Toast.makeText(this, getString(R.string.nfc_disabled_txt), Toast.LENGTH_LONG).show();
} else {
}
}
private void refreshStatus() {
final Resources r = this.res;
final String tip;
if (nfcAdapter == null) tip = r.getString(R.string.tip_nfc_notfound);
else if (nfcAdapter.isEnabled()) tip = r.getString(R.string.tip_nfc_enabled);
else tip = r.getString(R.string.tip_nfc_disabled);
final StringBuilder s = new StringBuilder(r.getString(R.string.app_name));
s.append(" -- ").append(tip);
setTitle(s);
final CharSequence text = board.getText();
if (text == null || board.getTag() == ContentType.HINT) showHint();
}
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
void initNfcTransfer(PeerNetInfo qrData) {
if (mNfcAdapter != null && mNfcAdapter.isEnabled() && useNFC) {
NdefMessage msg =
new NdefMessage(
new NdefRecord[] {
new NdefRecord(
NdefRecord.TNF_MIME_MEDIA,
"application/com.xconns.peerdevicenet.connector"
.getBytes(Charset.forName("US-ASCII")),
new byte[0],
qrData.encode().getBytes(Charset.forName("US-ASCII")))
});
mNfcAdapter.setNdefPushMessage(msg, this);
}
}
protected void registerNdefPushMessageCallback() {
NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (nfcAdapter != null && nfcAdapter.isEnabled()) {
nfcAdapter.setNdefPushMessageCallback(
new NfcAdapter.CreateNdefMessageCallback() {
@Override
public NdefMessage createNdefMessage(NfcEvent nfcEvent) {
return new NdefMessage(
new NdefRecord[] {
NdefRecord.createUri(getShareableUri()),
NdefRecord.createApplicationRecord("eu.siacs.conversations")
});
}
},
this);
}
}
private void checkNfcEnabled() {
Boolean nfcEnabled = mNfcAdapter.isEnabled();
if (!nfcEnabled) {
new AlertDialog.Builder(BeamInventoryActivity.this)
.setTitle(getString(R.string.warning_nfc_is_off))
.setMessage(getString(R.string.turn_on_nfc))
.setCancelable(false)
.setPositiveButton(
"Update Settings",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
startActivity(new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS));
}
})
.create()
.show();
}
}
private void showHint() {
final TextView board = this.board;
final Resources res = this.res;
final String hint;
if (nfcAdapter == null) hint = res.getString(R.string.msg_nonfc);
else if (nfcAdapter.isEnabled()) hint = res.getString(R.string.msg_nocard);
else hint = res.getString(R.string.msg_nfcdisabled);
final int padding = res.getDimensionPixelSize(R.dimen.text_middle);
board.setPadding(padding, padding, padding, padding);
board.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD_ITALIC));
board.setTextSize(res.getDimension(R.dimen.text_middle));
board.setTextColor(res.getColor(R.color.text_tip));
board.setGravity(Gravity.CENTER_VERTICAL);
board.setTag(ContentType.HINT);
board.setText(Html.fromHtml(hint));
}
@Override
protected void onResume() {
AndroidApplication.getInstance().setCurrentActivity(this);
LocalBroadcastManager.getInstance(this)
.registerReceiver(
showNextActivityListener, new IntentFilter(BroadcastIntentTypes.showNextActivity));
if (nfcAdapter != null && nfcAdapter.isEnabled()) {
nfcAvailable = true;
}
// make sure that this activity is the first one which can handle the
// NFC tags
if (nfcAvailable) {
nfcAdapter.enableForegroundDispatch(this, pendingIntent, Utility.getNFCIntentFilters(), null);
}
super.onResume();
}
private void enableNfc() {
if (android.os.Build.VERSION.SDK_INT >= 14) {
// Check for available NFC Adapter
mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (mNfcAdapter == null) {
// NFC is not available on this device
} else {
if (!(mNfcAdapter.isEnabled() && mNfcAdapter.isNdefPushEnabled())) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder
.setMessage(R.string.nfc_activate_required_services)
.setTitle(R.string.message_activate_nfc)
.setPositiveButton(
R.string.yes,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
Toast.makeText(
getApplicationContext(),
getString(R.string.message_activate_nfc),
Toast.LENGTH_LONG)
.show();
startActivity(new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS));
}
})
.setNegativeButton(
R.string.no,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {}
})
.create()
.show();
}
}
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_produits_aacheter);
intentRecu = getIntent();
scannerProduitAAcheter = (TextView) findViewById(R.id.scannerProduitAAcheter);
prixTotal = (TextView) findViewById(R.id.prixTotal);
listeViewAAcheter = (ListView) findViewById(R.id.listeAAcheter);
listeViewAAcheter.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
produitsAAcheter = new ArrayList<HashMap<String, String>>();
afficherProduitsAAcheter();
/* On récupère va permettre à l'activité de récupérer un tag NFC */
this.nfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (nfcAdapter == null || !nfcAdapter.isEnabled()) {
finish();
return;
}
}
private void initNfc() {
nfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (nfcAdapter == null) {
BaseHelp.ShowDialog(this, "您的设备不支持NFC，是否退出！", 0);
// return;
}
if (!nfcAdapter.isEnabled()) {
BaseHelp.ShowDialog(this, "您的设备没有打开NFC功能！", 1);
// return;
}
pendingIntent =
PendingIntent.getActivity(
this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
IntentFilter intentFilter = new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED);
intentFilter.addCategory("*//*");
intentFilters = new IntentFilter[] {intentFilter}; // 过滤器
techList =
new String[][] {
new String[] {MifareClassic.class.getName()}, new String[] {NfcA.class.getName()}
}; // 允许扫描的标签类型
}
private String initNfcAdapter(NfcAdapter adapter) {
StringBuilder sb = new StringBuilder();
// nfc 功能是否开启
if (nfcAdapter == null) {
sb.append("支持NFC功能:" + false + "\n");
return sb.toString();
} else {
sb.append("支持NFC功能:" + true + "\n");
}
isNfcEnable = nfcAdapter.isEnabled();
sb.append("NFC是否开启:" + isNfcEnable + "\n");
isNdefPushEnabled = nfcAdapter.isNdefPushEnabled();
sb.append("Android Beam是否开启：" + isNdefPushEnabled + "\n");
nfcAdapter.setNdefPushMessageCallback(this, this);
nfcAdapter.setOnNdefPushCompleteCallback(this, this);
return sb.toString();
}