xref: /aosp_15_r20/prebuilts/sdk/35/public/api/framework-nfc.txt (revision 344a7f5ef16c479e7a7f54ee6567a9d112f9e72b) 
1// Signature format: 2.0
2package android.nfc {
3
4  public final class AvailableNfcAntenna implements android.os.Parcelable {
5    ctor public AvailableNfcAntenna(int, int);
6    method public int describeContents();
7    method public int getLocationX();
8    method public int getLocationY();
9    method public void writeToParcel(@NonNull android.os.Parcel, int);
10    field @NonNull public static final android.os.Parcelable.Creator<android.nfc.AvailableNfcAntenna> CREATOR;
11  }
12
13  public class FormatException extends java.lang.Exception {
14    ctor public FormatException();
15    ctor public FormatException(String);
16    ctor public FormatException(String, Throwable);
17  }
18
19  public final class NdefMessage implements android.os.Parcelable {
20    ctor public NdefMessage(byte[]) throws android.nfc.FormatException;
21    ctor public NdefMessage(android.nfc.NdefRecord, android.nfc.NdefRecord...);
22    ctor public NdefMessage(android.nfc.NdefRecord[]);
23    method public int describeContents();
24    method public int getByteArrayLength();
25    method public android.nfc.NdefRecord[] getRecords();
26    method public byte[] toByteArray();
27    method public void writeToParcel(android.os.Parcel, int);
28    field @NonNull public static final android.os.Parcelable.Creator<android.nfc.NdefMessage> CREATOR;
29  }
30
31  public final class NdefRecord implements android.os.Parcelable {
32    ctor public NdefRecord(short, byte[], byte[], byte[]);
33    ctor @Deprecated public NdefRecord(byte[]) throws android.nfc.FormatException;
34    method public static android.nfc.NdefRecord createApplicationRecord(String);
35    method public static android.nfc.NdefRecord createExternal(String, String, byte[]);
36    method public static android.nfc.NdefRecord createMime(String, byte[]);
37    method public static android.nfc.NdefRecord createTextRecord(String, String);
38    method public static android.nfc.NdefRecord createUri(android.net.Uri);
39    method public static android.nfc.NdefRecord createUri(String);
40    method public int describeContents();
41    method public byte[] getId();
42    method public byte[] getPayload();
43    method public short getTnf();
44    method public byte[] getType();
45    method @Deprecated public byte[] toByteArray();
46    method public String toMimeType();
47    method public android.net.Uri toUri();
48    method public void writeToParcel(android.os.Parcel, int);
49    field @NonNull public static final android.os.Parcelable.Creator<android.nfc.NdefRecord> CREATOR;
50    field public static final byte[] RTD_ALTERNATIVE_CARRIER;
51    field public static final byte[] RTD_HANDOVER_CARRIER;
52    field public static final byte[] RTD_HANDOVER_REQUEST;
53    field public static final byte[] RTD_HANDOVER_SELECT;
54    field public static final byte[] RTD_SMART_POSTER;
55    field public static final byte[] RTD_TEXT;
56    field public static final byte[] RTD_URI;
57    field public static final short TNF_ABSOLUTE_URI = 3; // 0x3
58    field public static final short TNF_EMPTY = 0; // 0x0
59    field public static final short TNF_EXTERNAL_TYPE = 4; // 0x4
60    field public static final short TNF_MIME_MEDIA = 2; // 0x2
61    field public static final short TNF_UNCHANGED = 6; // 0x6
62    field public static final short TNF_UNKNOWN = 5; // 0x5
63    field public static final short TNF_WELL_KNOWN = 1; // 0x1
64  }
65
66  public final class NfcAdapter {
67    method public void disableForegroundDispatch(android.app.Activity);
68    method public void disableReaderMode(android.app.Activity);
69    method public void enableForegroundDispatch(android.app.Activity, android.app.PendingIntent, android.content.IntentFilter[], String[][]);
70    method public void enableReaderMode(android.app.Activity, android.nfc.NfcAdapter.ReaderCallback, int, android.os.Bundle);
71    method public static android.nfc.NfcAdapter getDefaultAdapter(android.content.Context);
72    method @Nullable public android.nfc.NfcAntennaInfo getNfcAntennaInfo();
73    method public boolean ignore(android.nfc.Tag, int, android.nfc.NfcAdapter.OnTagRemovedListener, android.os.Handler);
74    method public boolean isEnabled();
75    method public boolean isObserveModeEnabled();
76    method public boolean isObserveModeSupported();
77    method public boolean isReaderOptionEnabled();
78    method public boolean isReaderOptionSupported();
79    method public boolean isSecureNfcEnabled();
80    method public boolean isSecureNfcSupported();
81    method public void resetDiscoveryTechnology(@NonNull android.app.Activity);
82    method public void setDiscoveryTechnology(@NonNull android.app.Activity, int, int);
83    method public boolean setObserveModeEnabled(boolean);
84    field public static final String ACTION_ADAPTER_STATE_CHANGED = "android.nfc.action.ADAPTER_STATE_CHANGED";
85    field public static final String ACTION_NDEF_DISCOVERED = "android.nfc.action.NDEF_DISCOVERED";
86    field @RequiresPermission(android.Manifest.permission.NFC_PREFERRED_PAYMENT_INFO) public static final String ACTION_PREFERRED_PAYMENT_CHANGED = "android.nfc.action.PREFERRED_PAYMENT_CHANGED";
87    field public static final String ACTION_TAG_DISCOVERED = "android.nfc.action.TAG_DISCOVERED";
88    field public static final String ACTION_TECH_DISCOVERED = "android.nfc.action.TECH_DISCOVERED";
89    field @RequiresPermission(android.Manifest.permission.NFC_TRANSACTION_EVENT) public static final String ACTION_TRANSACTION_DETECTED = "android.nfc.action.TRANSACTION_DETECTED";
90    field public static final String EXTRA_ADAPTER_STATE = "android.nfc.extra.ADAPTER_STATE";
91    field public static final String EXTRA_AID = "android.nfc.extra.AID";
92    field public static final String EXTRA_DATA = "android.nfc.extra.DATA";
93    field public static final String EXTRA_ID = "android.nfc.extra.ID";
94    field public static final String EXTRA_NDEF_MESSAGES = "android.nfc.extra.NDEF_MESSAGES";
95    field public static final String EXTRA_PREFERRED_PAYMENT_CHANGED_REASON = "android.nfc.extra.PREFERRED_PAYMENT_CHANGED_REASON";
96    field public static final String EXTRA_READER_PRESENCE_CHECK_DELAY = "presence";
97    field public static final String EXTRA_SECURE_ELEMENT_NAME = "android.nfc.extra.SECURE_ELEMENT_NAME";
98    field public static final String EXTRA_TAG = "android.nfc.extra.TAG";
99    field public static final int FLAG_LISTEN_DISABLE = 0; // 0x0
100    field public static final int FLAG_LISTEN_KEEP = -2147483648; // 0x80000000
101    field public static final int FLAG_LISTEN_NFC_PASSIVE_A = 1; // 0x1
102    field public static final int FLAG_LISTEN_NFC_PASSIVE_B = 2; // 0x2
103    field public static final int FLAG_LISTEN_NFC_PASSIVE_F = 4; // 0x4
104    field public static final int FLAG_READER_DISABLE = 0; // 0x0
105    field public static final int FLAG_READER_KEEP = -2147483648; // 0x80000000
106    field public static final int FLAG_READER_NFC_A = 1; // 0x1
107    field public static final int FLAG_READER_NFC_B = 2; // 0x2
108    field public static final int FLAG_READER_NFC_BARCODE = 16; // 0x10
109    field public static final int FLAG_READER_NFC_F = 4; // 0x4
110    field public static final int FLAG_READER_NFC_V = 8; // 0x8
111    field public static final int FLAG_READER_NO_PLATFORM_SOUNDS = 256; // 0x100
112    field public static final int FLAG_READER_SKIP_NDEF_CHECK = 128; // 0x80
113    field public static final int PREFERRED_PAYMENT_CHANGED = 2; // 0x2
114    field public static final int PREFERRED_PAYMENT_LOADED = 1; // 0x1
115    field public static final int PREFERRED_PAYMENT_UPDATED = 3; // 0x3
116    field public static final int STATE_OFF = 1; // 0x1
117    field public static final int STATE_ON = 3; // 0x3
118    field public static final int STATE_TURNING_OFF = 4; // 0x4
119    field public static final int STATE_TURNING_ON = 2; // 0x2
120  }
121
122  @Deprecated public static interface NfcAdapter.CreateBeamUrisCallback {
123    method @Deprecated public android.net.Uri[] createBeamUris(android.nfc.NfcEvent);
124  }
125
126  @Deprecated public static interface NfcAdapter.CreateNdefMessageCallback {
127    method @Deprecated public android.nfc.NdefMessage createNdefMessage(android.nfc.NfcEvent);
128  }
129
130  @Deprecated public static interface NfcAdapter.OnNdefPushCompleteCallback {
131    method @Deprecated public void onNdefPushComplete(android.nfc.NfcEvent);
132  }
133
134  public static interface NfcAdapter.OnTagRemovedListener {
135    method public void onTagRemoved();
136  }
137
138  public static interface NfcAdapter.ReaderCallback {
139    method public void onTagDiscovered(android.nfc.Tag);
140  }
141
142  public final class NfcAntennaInfo implements android.os.Parcelable {
143    ctor public NfcAntennaInfo(int, int, boolean, @NonNull java.util.List<android.nfc.AvailableNfcAntenna>);
144    method public int describeContents();
145    method @NonNull public java.util.List<android.nfc.AvailableNfcAntenna> getAvailableNfcAntennas();
146    method public int getDeviceHeight();
147    method public int getDeviceWidth();
148    method public boolean isDeviceFoldable();
149    method public void writeToParcel(@NonNull android.os.Parcel, int);
150    field @NonNull public static final android.os.Parcelable.Creator<android.nfc.NfcAntennaInfo> CREATOR;
151  }
152
153  public final class NfcEvent {
154    field public final android.nfc.NfcAdapter nfcAdapter;
155    field public final int peerLlcpMajorVersion;
156    field public final int peerLlcpMinorVersion;
157  }
158
159  public final class NfcManager {
160    method public android.nfc.NfcAdapter getDefaultAdapter();
161  }
162
163  public final class Tag implements android.os.Parcelable {
164    method public int describeContents();
165    method public byte[] getId();
166    method public String[] getTechList();
167    method public void writeToParcel(android.os.Parcel, int);
168    field @NonNull public static final android.os.Parcelable.Creator<android.nfc.Tag> CREATOR;
169  }
170
171  public class TagLostException extends java.io.IOException {
172    ctor public TagLostException();
173    ctor public TagLostException(String);
174  }
175
176}
177
178package android.nfc.cardemulation {
179
180  public final class CardEmulation {
181    method public boolean categoryAllowsForegroundPreference(String);
182    method @Nullable @RequiresPermission(android.Manifest.permission.NFC_PREFERRED_PAYMENT_INFO) public java.util.List<java.lang.String> getAidsForPreferredPaymentService();
183    method public java.util.List<java.lang.String> getAidsForService(android.content.ComponentName, String);
184    method @Nullable @RequiresPermission(android.Manifest.permission.NFC_PREFERRED_PAYMENT_INFO) public CharSequence getDescriptionForPreferredPaymentService();
185    method public static android.nfc.cardemulation.CardEmulation getInstance(android.nfc.NfcAdapter);
186    method @Nullable @RequiresPermission(android.Manifest.permission.NFC_PREFERRED_PAYMENT_INFO) public String getRouteDestinationForPreferredPaymentService();
187    method public int getSelectionModeForCategory(String);
188    method public boolean isDefaultServiceForAid(android.content.ComponentName, String);
189    method public boolean isDefaultServiceForCategory(android.content.ComponentName, String);
190    method public boolean registerAidsForService(android.content.ComponentName, String, java.util.List<java.lang.String>);
191    method public boolean registerPollingLoopFilterForService(@NonNull android.content.ComponentName, @NonNull String, boolean);
192    method public boolean registerPollingLoopPatternFilterForService(@NonNull android.content.ComponentName, @NonNull String, boolean);
193    method public boolean removeAidsForService(android.content.ComponentName, String);
194    method public boolean removePollingLoopFilterForService(@NonNull android.content.ComponentName, @NonNull String);
195    method public boolean removePollingLoopPatternFilterForService(@NonNull android.content.ComponentName, @NonNull String);
196    method @NonNull @RequiresPermission(android.Manifest.permission.NFC) public boolean setOffHostForService(@NonNull android.content.ComponentName, @NonNull String);
197    method public boolean setPreferredService(android.app.Activity, android.content.ComponentName);
198    method public boolean setShouldDefaultToObserveModeForService(@NonNull android.content.ComponentName, boolean);
199    method public boolean supportsAidPrefixRegistration();
200    method @NonNull @RequiresPermission(android.Manifest.permission.NFC) public boolean unsetOffHostForService(@NonNull android.content.ComponentName);
201    method public boolean unsetPreferredService(android.app.Activity);
202    field @Deprecated public static final String ACTION_CHANGE_DEFAULT = "android.nfc.cardemulation.action.ACTION_CHANGE_DEFAULT";
203    field public static final String CATEGORY_OTHER = "other";
204    field public static final String CATEGORY_PAYMENT = "payment";
205    field public static final String EXTRA_CATEGORY = "category";
206    field public static final String EXTRA_SERVICE_COMPONENT = "component";
207    field public static final int SELECTION_MODE_ALWAYS_ASK = 1; // 0x1
208    field public static final int SELECTION_MODE_ASK_IF_CONFLICT = 2; // 0x2
209    field public static final int SELECTION_MODE_PREFER_DEFAULT = 0; // 0x0
210  }
211
212  public abstract class HostApduService extends android.app.Service {
213    ctor public HostApduService();
214    method public final void notifyUnhandled();
215    method public final android.os.IBinder onBind(android.content.Intent);
216    method public abstract void onDeactivated(int);
217    method public abstract byte[] processCommandApdu(byte[], android.os.Bundle);
218    method public void processPollingFrames(@NonNull java.util.List<android.nfc.cardemulation.PollingFrame>);
219    method public final void sendResponseApdu(byte[]);
220    field public static final int DEACTIVATION_DESELECTED = 1; // 0x1
221    field public static final int DEACTIVATION_LINK_LOSS = 0; // 0x0
222    field public static final String SERVICE_INTERFACE = "android.nfc.cardemulation.action.HOST_APDU_SERVICE";
223    field public static final String SERVICE_META_DATA = "android.nfc.cardemulation.host_apdu_service";
224  }
225
226  public abstract class HostNfcFService extends android.app.Service {
227    ctor public HostNfcFService();
228    method public final android.os.IBinder onBind(android.content.Intent);
229    method public abstract void onDeactivated(int);
230    method public abstract byte[] processNfcFPacket(byte[], android.os.Bundle);
231    method public final void sendResponsePacket(byte[]);
232    field public static final int DEACTIVATION_LINK_LOSS = 0; // 0x0
233    field public static final String SERVICE_INTERFACE = "android.nfc.cardemulation.action.HOST_NFCF_SERVICE";
234    field public static final String SERVICE_META_DATA = "android.nfc.cardemulation.host_nfcf_service";
235  }
236
237  public final class NfcFCardEmulation {
238    method public boolean disableService(android.app.Activity) throws java.lang.RuntimeException;
239    method public boolean enableService(android.app.Activity, android.content.ComponentName) throws java.lang.RuntimeException;
240    method public static android.nfc.cardemulation.NfcFCardEmulation getInstance(android.nfc.NfcAdapter);
241    method public String getNfcid2ForService(android.content.ComponentName) throws java.lang.RuntimeException;
242    method public String getSystemCodeForService(android.content.ComponentName) throws java.lang.RuntimeException;
243    method public boolean registerSystemCodeForService(android.content.ComponentName, String) throws java.lang.RuntimeException;
244    method public boolean setNfcid2ForService(android.content.ComponentName, String) throws java.lang.RuntimeException;
245    method public boolean unregisterSystemCodeForService(android.content.ComponentName) throws java.lang.RuntimeException;
246  }
247
248  public abstract class OffHostApduService extends android.app.Service {
249    ctor public OffHostApduService();
250    field public static final String SERVICE_INTERFACE = "android.nfc.cardemulation.action.OFF_HOST_APDU_SERVICE";
251    field public static final String SERVICE_META_DATA = "android.nfc.cardemulation.off_host_apdu_service";
252  }
253
254  public final class PollingFrame implements android.os.Parcelable {
255    method public int describeContents();
256    method @NonNull public byte[] getData();
257    method public long getTimestamp();
258    method public boolean getTriggeredAutoTransact();
259    method public int getType();
260    method public int getVendorSpecificGain();
261    method public void writeToParcel(@NonNull android.os.Parcel, int);
262    field @NonNull public static final android.os.Parcelable.Creator<android.nfc.cardemulation.PollingFrame> CREATOR;
263    field public static final int POLLING_LOOP_TYPE_A = 65; // 0x41
264    field public static final int POLLING_LOOP_TYPE_B = 66; // 0x42
265    field public static final int POLLING_LOOP_TYPE_F = 70; // 0x46
266    field public static final int POLLING_LOOP_TYPE_OFF = 88; // 0x58
267    field public static final int POLLING_LOOP_TYPE_ON = 79; // 0x4f
268    field public static final int POLLING_LOOP_TYPE_UNKNOWN = 85; // 0x55
269  }
270
271}
272
273package android.nfc.tech {
274
275  public final class IsoDep implements android.nfc.tech.TagTechnology {
276    method public void close() throws java.io.IOException;
277    method public void connect() throws java.io.IOException;
278    method public static android.nfc.tech.IsoDep get(android.nfc.Tag);
279    method public byte[] getHiLayerResponse();
280    method public byte[] getHistoricalBytes();
281    method public int getMaxTransceiveLength();
282    method public android.nfc.Tag getTag();
283    method public int getTimeout();
284    method public boolean isConnected();
285    method public boolean isExtendedLengthApduSupported();
286    method public void setTimeout(int);
287    method public byte[] transceive(byte[]) throws java.io.IOException;
288  }
289
290  public final class MifareClassic implements android.nfc.tech.TagTechnology {
291    method public boolean authenticateSectorWithKeyA(int, byte[]) throws java.io.IOException;
292    method public boolean authenticateSectorWithKeyB(int, byte[]) throws java.io.IOException;
293    method public int blockToSector(int);
294    method public void close() throws java.io.IOException;
295    method public void connect() throws java.io.IOException;
296    method public void decrement(int, int) throws java.io.IOException;
297    method public static android.nfc.tech.MifareClassic get(android.nfc.Tag);
298    method public int getBlockCount();
299    method public int getBlockCountInSector(int);
300    method public int getMaxTransceiveLength();
301    method public int getSectorCount();
302    method public int getSize();
303    method public android.nfc.Tag getTag();
304    method public int getTimeout();
305    method public int getType();
306    method public void increment(int, int) throws java.io.IOException;
307    method public boolean isConnected();
308    method public byte[] readBlock(int) throws java.io.IOException;
309    method public void restore(int) throws java.io.IOException;
310    method public int sectorToBlock(int);
311    method public void setTimeout(int);
312    method public byte[] transceive(byte[]) throws java.io.IOException;
313    method public void transfer(int) throws java.io.IOException;
314    method public void writeBlock(int, byte[]) throws java.io.IOException;
315    field public static final int BLOCK_SIZE = 16; // 0x10
316    field public static final byte[] KEY_DEFAULT;
317    field public static final byte[] KEY_MIFARE_APPLICATION_DIRECTORY;
318    field public static final byte[] KEY_NFC_FORUM;
319    field public static final int SIZE_1K = 1024; // 0x400
320    field public static final int SIZE_2K = 2048; // 0x800
321    field public static final int SIZE_4K = 4096; // 0x1000
322    field public static final int SIZE_MINI = 320; // 0x140
323    field public static final int TYPE_CLASSIC = 0; // 0x0
324    field public static final int TYPE_PLUS = 1; // 0x1
325    field public static final int TYPE_PRO = 2; // 0x2
326    field public static final int TYPE_UNKNOWN = -1; // 0xffffffff
327  }
328
329  public final class MifareUltralight implements android.nfc.tech.TagTechnology {
330    method public void close() throws java.io.IOException;
331    method public void connect() throws java.io.IOException;
332    method public static android.nfc.tech.MifareUltralight get(android.nfc.Tag);
333    method public int getMaxTransceiveLength();
334    method public android.nfc.Tag getTag();
335    method public int getTimeout();
336    method public int getType();
337    method public boolean isConnected();
338    method public byte[] readPages(int) throws java.io.IOException;
339    method public void setTimeout(int);
340    method public byte[] transceive(byte[]) throws java.io.IOException;
341    method public void writePage(int, byte[]) throws java.io.IOException;
342    field public static final int PAGE_SIZE = 4; // 0x4
343    field public static final int TYPE_ULTRALIGHT = 1; // 0x1
344    field public static final int TYPE_ULTRALIGHT_C = 2; // 0x2
345    field public static final int TYPE_UNKNOWN = -1; // 0xffffffff
346  }
347
348  public final class Ndef implements android.nfc.tech.TagTechnology {
349    method public boolean canMakeReadOnly();
350    method public void close() throws java.io.IOException;
351    method public void connect() throws java.io.IOException;
352    method public static android.nfc.tech.Ndef get(android.nfc.Tag);
353    method public android.nfc.NdefMessage getCachedNdefMessage();
354    method public int getMaxSize();
355    method public android.nfc.NdefMessage getNdefMessage() throws android.nfc.FormatException, java.io.IOException;
356    method public android.nfc.Tag getTag();
357    method public String getType();
358    method public boolean isConnected();
359    method public boolean isWritable();
360    method public boolean makeReadOnly() throws java.io.IOException;
361    method public void writeNdefMessage(android.nfc.NdefMessage) throws android.nfc.FormatException, java.io.IOException;
362    field public static final String MIFARE_CLASSIC = "com.nxp.ndef.mifareclassic";
363    field public static final String NFC_FORUM_TYPE_1 = "org.nfcforum.ndef.type1";
364    field public static final String NFC_FORUM_TYPE_2 = "org.nfcforum.ndef.type2";
365    field public static final String NFC_FORUM_TYPE_3 = "org.nfcforum.ndef.type3";
366    field public static final String NFC_FORUM_TYPE_4 = "org.nfcforum.ndef.type4";
367  }
368
369  public final class NdefFormatable implements android.nfc.tech.TagTechnology {
370    method public void close() throws java.io.IOException;
371    method public void connect() throws java.io.IOException;
372    method public void format(android.nfc.NdefMessage) throws android.nfc.FormatException, java.io.IOException;
373    method public void formatReadOnly(android.nfc.NdefMessage) throws android.nfc.FormatException, java.io.IOException;
374    method public static android.nfc.tech.NdefFormatable get(android.nfc.Tag);
375    method public android.nfc.Tag getTag();
376    method public boolean isConnected();
377  }
378
379  public final class NfcA implements android.nfc.tech.TagTechnology {
380    method public void close() throws java.io.IOException;
381    method public void connect() throws java.io.IOException;
382    method public static android.nfc.tech.NfcA get(android.nfc.Tag);
383    method public byte[] getAtqa();
384    method public int getMaxTransceiveLength();
385    method public short getSak();
386    method public android.nfc.Tag getTag();
387    method public int getTimeout();
388    method public boolean isConnected();
389    method public void setTimeout(int);
390    method public byte[] transceive(byte[]) throws java.io.IOException;
391  }
392
393  public final class NfcB implements android.nfc.tech.TagTechnology {
394    method public void close() throws java.io.IOException;
395    method public void connect() throws java.io.IOException;
396    method public static android.nfc.tech.NfcB get(android.nfc.Tag);
397    method public byte[] getApplicationData();
398    method public int getMaxTransceiveLength();
399    method public byte[] getProtocolInfo();
400    method public android.nfc.Tag getTag();
401    method public boolean isConnected();
402    method public byte[] transceive(byte[]) throws java.io.IOException;
403  }
404
405  public final class NfcBarcode implements android.nfc.tech.TagTechnology {
406    method public void close() throws java.io.IOException;
407    method public void connect() throws java.io.IOException;
408    method public static android.nfc.tech.NfcBarcode get(android.nfc.Tag);
409    method public byte[] getBarcode();
410    method public android.nfc.Tag getTag();
411    method public int getType();
412    method public boolean isConnected();
413    field public static final int TYPE_KOVIO = 1; // 0x1
414    field public static final int TYPE_UNKNOWN = -1; // 0xffffffff
415  }
416
417  public final class NfcF implements android.nfc.tech.TagTechnology {
418    method public void close() throws java.io.IOException;
419    method public void connect() throws java.io.IOException;
420    method public static android.nfc.tech.NfcF get(android.nfc.Tag);
421    method public byte[] getManufacturer();
422    method public int getMaxTransceiveLength();
423    method public byte[] getSystemCode();
424    method public android.nfc.Tag getTag();
425    method public int getTimeout();
426    method public boolean isConnected();
427    method public void setTimeout(int);
428    method public byte[] transceive(byte[]) throws java.io.IOException;
429  }
430
431  public final class NfcV implements android.nfc.tech.TagTechnology {
432    method public void close() throws java.io.IOException;
433    method public void connect() throws java.io.IOException;
434    method public static android.nfc.tech.NfcV get(android.nfc.Tag);
435    method public byte getDsfId();
436    method public int getMaxTransceiveLength();
437    method public byte getResponseFlags();
438    method public android.nfc.Tag getTag();
439    method public boolean isConnected();
440    method public byte[] transceive(byte[]) throws java.io.IOException;
441  }
442
443  public interface TagTechnology extends java.io.Closeable {
444    method public void connect() throws java.io.IOException;
445    method public android.nfc.Tag getTag();
446    method public boolean isConnected();
447  }
448
449}
450
451