Merge "API changes for NFC." into gingerbread

This commit is contained in:
Jeff Hamilton
2011-01-21 11:34:20 -08:00
committed by Android (Google) Code Review
15 changed files with 381 additions and 297 deletions

View File

@ -100871,21 +100871,6 @@
visibility="public"
>
</method>
<method name="getTechnology"
return="android.nfc.technology.TagTechnology"
abstract="false"
native="false"
synchronized="false"
static="false"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
<parameter name="tech" type="int">
</parameter>
</method>
<method name="isEnabled"
return="boolean"
abstract="false"
@ -101098,7 +101083,7 @@
</constructor>
</class>
</package>
<package name="android.nfc.technology"
<package name="android.nfc.tech"
>
<class name="BasicTagTechnology"
extends="java.lang.Object"
@ -101108,7 +101093,7 @@
deprecated="not deprecated"
visibility=""
>
<implements name="android.nfc.technology.TagTechnology">
<implements name="android.nfc.tech.TagTechnology">
</implements>
<method name="close"
return="void"
@ -101182,13 +101167,26 @@
</method>
</class>
<class name="IsoDep"
extends="android.nfc.technology.BasicTagTechnology"
extends="android.nfc.tech.BasicTagTechnology"
abstract="false"
static="false"
final="true"
deprecated="not deprecated"
visibility="public"
>
<method name="get"
return="android.nfc.tech.IsoDep"
abstract="false"
native="false"
synchronized="false"
static="true"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
</method>
<method name="getHiLayerResponse"
return="byte[]"
abstract="false"
@ -101241,7 +101239,7 @@
</method>
</class>
<class name="MifareClassic"
extends="android.nfc.technology.BasicTagTechnology"
extends="android.nfc.tech.BasicTagTechnology"
abstract="false"
static="false"
final="true"
@ -101301,6 +101299,19 @@
<exception name="IOException" type="java.io.IOException">
</exception>
</method>
<method name="get"
return="android.nfc.tech.MifareClassic"
abstract="false"
native="false"
synchronized="false"
static="true"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
</method>
<method name="getBlockCount"
return="int"
abstract="false"
@ -101644,13 +101655,26 @@
</field>
</class>
<class name="MifareUltralight"
extends="android.nfc.technology.BasicTagTechnology"
extends="android.nfc.tech.BasicTagTechnology"
abstract="false"
static="false"
final="true"
deprecated="not deprecated"
visibility="public"
>
<method name="get"
return="android.nfc.tech.MifareUltralight"
abstract="false"
native="false"
synchronized="false"
static="true"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
</method>
<method name="getType"
return="int"
abstract="false"
@ -101744,7 +101768,7 @@
</field>
</class>
<class name="Ndef"
extends="android.nfc.technology.BasicTagTechnology"
extends="android.nfc.tech.BasicTagTechnology"
abstract="false"
static="false"
final="true"
@ -101762,6 +101786,19 @@
visibility="public"
>
</method>
<method name="get"
return="android.nfc.tech.Ndef"
abstract="false"
native="false"
synchronized="false"
static="true"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
</method>
<method name="getCachedNdefMessage"
return="android.nfc.NdefMessage"
abstract="false"
@ -101855,7 +101892,7 @@
type="int"
transient="false"
volatile="false"
value="105"
value="101"
static="true"
final="true"
deprecated="not deprecated"
@ -101919,7 +101956,7 @@
</field>
</class>
<class name="NdefFormatable"
extends="android.nfc.technology.BasicTagTechnology"
extends="android.nfc.tech.BasicTagTechnology"
abstract="false"
static="false"
final="true"
@ -101943,15 +101980,41 @@
<exception name="IOException" type="java.io.IOException">
</exception>
</method>
<method name="get"
return="android.nfc.tech.NdefFormatable"
abstract="false"
native="false"
synchronized="false"
static="true"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
</method>
</class>
<class name="NfcA"
extends="android.nfc.technology.BasicTagTechnology"
extends="android.nfc.tech.BasicTagTechnology"
abstract="false"
static="false"
final="true"
deprecated="not deprecated"
visibility="public"
>
<method name="get"
return="android.nfc.tech.NfcA"
abstract="false"
native="false"
synchronized="false"
static="true"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
</method>
<method name="getAtqa"
return="byte[]"
abstract="false"
@ -101991,13 +102054,26 @@
</method>
</class>
<class name="NfcB"
extends="android.nfc.technology.BasicTagTechnology"
extends="android.nfc.tech.BasicTagTechnology"
abstract="false"
static="false"
final="true"
deprecated="not deprecated"
visibility="public"
>
<method name="get"
return="android.nfc.tech.NfcB"
abstract="false"
native="false"
synchronized="false"
static="true"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
</method>
<method name="getApplicationData"
return="byte[]"
abstract="false"
@ -102037,13 +102113,26 @@
</method>
</class>
<class name="NfcF"
extends="android.nfc.technology.BasicTagTechnology"
extends="android.nfc.tech.BasicTagTechnology"
abstract="false"
static="false"
final="true"
deprecated="not deprecated"
visibility="public"
>
<method name="get"
return="android.nfc.tech.NfcF"
abstract="false"
native="false"
synchronized="false"
static="true"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
</method>
<method name="getManufacturer"
return="byte[]"
abstract="false"
@ -102083,13 +102172,26 @@
</method>
</class>
<class name="NfcV"
extends="android.nfc.technology.BasicTagTechnology"
extends="android.nfc.tech.BasicTagTechnology"
abstract="false"
static="false"
final="true"
deprecated="not deprecated"
visibility="public"
>
<method name="get"
return="android.nfc.tech.NfcV"
abstract="false"
native="false"
synchronized="false"
static="true"
final="false"
deprecated="not deprecated"
visibility="public"
>
<parameter name="tag" type="android.nfc.Tag">
</parameter>
</method>
<method name="getDsfId"
return="byte"
abstract="false"
@ -102170,17 +102272,6 @@
visibility="public"
>
</method>
<method name="getTechnologyId"
return="int"
abstract="true"
native="false"
synchronized="false"
static="false"
final="false"
deprecated="not deprecated"
visibility="public"
>
</method>
<method name="reconnect"
return="void"
abstract="true"
@ -102194,105 +102285,6 @@
<exception name="IOException" type="java.io.IOException">
</exception>
</method>
<field name="ISO_DEP"
type="int"
transient="false"
volatile="false"
value="3"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
<field name="MIFARE_CLASSIC"
type="int"
transient="false"
volatile="false"
value="8"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
<field name="MIFARE_ULTRALIGHT"
type="int"
transient="false"
volatile="false"
value="9"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
<field name="NDEF"
type="int"
transient="false"
volatile="false"
value="6"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
<field name="NDEF_FORMATABLE"
type="int"
transient="false"
volatile="false"
value="7"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
<field name="NFC_A"
type="int"
transient="false"
volatile="false"
value="1"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
<field name="NFC_B"
type="int"
transient="false"
volatile="false"
value="2"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
<field name="NFC_F"
type="int"
transient="false"
volatile="false"
value="4"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
<field name="NFC_V"
type="int"
transient="false"
volatile="false"
value="5"
static="true"
final="true"
deprecated="not deprecated"
visibility="public"
>
</field>
</interface>
</package>
<package name="android.opengl"

View File

@ -26,7 +26,7 @@ import android.content.Context;
import android.content.IntentFilter;
import android.content.pm.IPackageManager;
import android.content.pm.PackageManager;
import android.nfc.technology.TagTechnology;
import android.nfc.tech.TagTechnology;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.ServiceManager;
@ -531,16 +531,6 @@ public final class NfcAdapter {
}
}
/**
* Retrieve a TagTechnology object used to interact with a Tag that is
* in field.
* <p>
* @return TagTechnology object, or null if not present
*/
public TagTechnology getTechnology(Tag tag, int tech) {
return tag.getTechnology(NfcAdapter.this, tech);
}
/**
* Set the NDEF Message that this NFC adapter should appear as to Tag
* readers.

View File

@ -16,7 +16,7 @@
package android.nfc;
import android.nfc.technology.TagTechnology;
import android.nfc.tech.TagTechnology;
import android.os.RemoteException;
import android.util.Log;

View File

@ -16,20 +16,10 @@
package android.nfc;
import android.nfc.technology.IsoDep;
import android.nfc.technology.MifareClassic;
import android.nfc.technology.MifareUltralight;
import android.nfc.technology.NfcV;
import android.nfc.technology.Ndef;
import android.nfc.technology.NdefFormatable;
import android.nfc.technology.NfcA;
import android.nfc.technology.NfcB;
import android.nfc.technology.NfcF;
import android.nfc.technology.TagTechnology;
import android.nfc.tech.TagTechnology;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
import android.os.RemoteException;
import java.util.Arrays;
@ -44,8 +34,8 @@ import java.util.Arrays;
* {@link Tag} objects are passed to applications via the {@link NfcAdapter#EXTRA_TAG} extra
* in {@link NfcAdapter#ACTION_TAG_DISCOVERED} intents. A {@link Tag} object is immutable
* and represents the state of the tag at the time of discovery. It can be
* directly queried for its UID and Type, or used to create a {@link TagTechnology}
* (with {@link NfcAdapter#getTechnology}).
* directly queried for its UID and Type, or used to create a {@link TagTechnology} using the
* static <code>get()</code> methods on the varios tech classes.
* <p>
* A {@link Tag} can be used to create a {@link TagTechnology} only while the tag is in
* range. If it is removed and then returned to range, then the most recent
@ -61,6 +51,7 @@ public class Tag implements Parcelable {
/*package*/ final int[] mTechList;
/*package*/ final Bundle[] mTechExtras;
/*package*/ final int mServiceHandle; // for use by NFC service, 0 indicates a mock
/*package*/ final INfcTag mTagService;
/*package*/ int mConnectedTechnology;
@ -68,7 +59,8 @@ public class Tag implements Parcelable {
* Hidden constructor to be used by NFC service and internal classes.
* @hide
*/
public Tag(byte[] id, int[] techList, Bundle[] techListExtras, int serviceHandle) {
public Tag(byte[] id, int[] techList, Bundle[] techListExtras, int serviceHandle,
INfcTag tagService) {
if (techList == null) {
throw new IllegalArgumentException("rawTargets cannot be null");
}
@ -77,15 +69,15 @@ public class Tag implements Parcelable {
// Ensure mTechExtras is as long as mTechList
mTechExtras = Arrays.copyOf(techListExtras, techList.length);
mServiceHandle = serviceHandle;
mTagService = tagService;
mConnectedTechnology = -1;
}
/**
* Construct a mock Tag.
* <p>This is an application constructed tag, so NfcAdapter methods on this
* Tag such as {@link NfcAdapter#getTechnology} may fail with
* {@link IllegalArgumentException} since it does not represent a physical Tag.
* <p>This is an application constructed tag, so NfcAdapter methods on this Tag may fail
* with {@link IllegalArgumentException} since it does not represent a physical Tag.
* <p>This constructor might be useful for mock testing.
* @param id The tag identifier, can be null
* @param techList must not be null
@ -93,7 +85,7 @@ public class Tag implements Parcelable {
*/
public static Tag createMockTag(byte[] id, int[] techList, Bundle[] techListExtras) {
// set serviceHandle to 0 to indicate mock tag
return new Tag(id, techList, techListExtras, 0);
return new Tag(id, techList, techListExtras, 0, null);
}
/**
@ -127,7 +119,16 @@ public class Tag implements Parcelable {
return Arrays.copyOf(mTechList, mTechList.length);
}
/*package*/ TagTechnology getTechnology(NfcAdapter adapter, int tech) {
/** @hide */
public boolean hasTech(int techType) {
for (int tech : mTechList) {
if (tech == techType) return true;
}
return false;
}
/** @hide */
public Bundle getTechExtras(int tech) {
int pos = -1;
for (int idx = 0; idx < mTechList.length; idx++) {
if (mTechList[idx] == tech) {
@ -139,44 +140,12 @@ public class Tag implements Parcelable {
return null;
}
Bundle extras = mTechExtras[pos];
try {
switch (tech) {
case TagTechnology.NFC_A: {
return new NfcA(adapter, this, extras);
}
case TagTechnology.NFC_B: {
return new NfcB(adapter, this, extras);
}
case TagTechnology.ISO_DEP: {
return new IsoDep(adapter, this, extras);
}
case TagTechnology.NFC_V: {
return new NfcV(adapter, this, extras);
}
case TagTechnology.NDEF: {
return new Ndef(adapter, this, tech, extras);
}
case TagTechnology.NDEF_FORMATABLE: {
return new NdefFormatable(adapter, this, tech, extras);
}
case TagTechnology.NFC_F: {
return new NfcF(adapter, this, extras);
}
case TagTechnology.MIFARE_CLASSIC: {
return new MifareClassic(adapter, this, extras);
}
case TagTechnology.MIFARE_ULTRALIGHT: {
return new MifareUltralight(adapter, this, extras);
}
return mTechExtras[pos];
}
default: {
throw new UnsupportedOperationException("Tech " + tech + " not supported");
}
}
} catch (RemoteException e) {
return null;
}
/** @hide */
public INfcTag getTagService() {
return mTagService;
}
@Override
@ -223,6 +192,7 @@ public class Tag implements Parcelable {
dest.writeIntArray(mTechList);
dest.writeTypedArray(mTechExtras, 0);
dest.writeInt(mServiceHandle);
dest.writeStrongBinder(mTagService.asBinder());
}
public static final Parcelable.Creator<Tag> CREATOR =
@ -235,8 +205,9 @@ public class Tag implements Parcelable {
in.readIntArray(techList);
Bundle[] techExtras = in.createTypedArray(Bundle.CREATOR);
int serviceHandle = in.readInt();
INfcTag tagService = INfcTag.Stub.asInterface(in.readStrongBinder());
return new Tag(id, techList, techExtras, serviceHandle);
return new Tag(id, techList, techExtras, serviceHandle, tagService);
}
@Override

View File

@ -14,20 +14,17 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import java.io.IOException;
import android.nfc.INfcAdapter;
import android.nfc.INfcTag;
import android.nfc.NfcAdapter;
import android.nfc.TransceiveResult;
import android.nfc.Tag;
import android.nfc.ErrorCodes;
import android.nfc.Tag;
import android.nfc.TagLostException;
import android.nfc.TransceiveResult;
import android.os.RemoteException;
import android.util.Log;
import java.io.IOException;
/**
* A base class for tag technologies that are built on top of transceive().
*/
@ -37,11 +34,8 @@ import android.util.Log;
/*package*/ final Tag mTag;
/*package*/ boolean mIsConnected;
/*package*/ int mSelectedTechnology;
private final NfcAdapter mAdapter;
/*package*/ final INfcAdapter mService;
/*package*/ final INfcTag mTagService;
BasicTagTechnology(NfcAdapter adapter, Tag tag, int tech) throws RemoteException {
BasicTagTechnology(Tag tag, int tech) throws RemoteException {
int[] techList = tag.getTechnologyList();
int i;
@ -56,15 +50,12 @@ import android.util.Log;
throw new IllegalArgumentException("Technology " + tech + " not present on tag " + tag);
}
mAdapter = adapter;
mService = mAdapter.getService();
mTagService = mAdapter.getTagService();
mTag = tag;
mSelectedTechnology = tech;
}
BasicTagTechnology(NfcAdapter adapter, Tag tag) throws RemoteException {
this(adapter, tag, tag.getTechnologyList()[0]);
BasicTagTechnology(Tag tag) throws RemoteException {
this(tag, tag.getTechnologyList()[0]);
}
@Override
@ -100,7 +91,7 @@ import android.util.Log;
}
try {
return mTagService.isPresent(mTag.getServiceHandle());
return mTag.getTagService().isPresent(mTag.getServiceHandle());
} catch (RemoteException e) {
Log.e(TAG, "NFC service dead", e);
return false;
@ -110,7 +101,7 @@ import android.util.Log;
@Override
public void connect() throws IOException {
try {
int errorCode = mTagService.connect(mTag.getServiceHandle(), getTechnologyId());
int errorCode = mTag.getTagService().connect(mTag.getServiceHandle(), getTechnologyId());
if (errorCode == ErrorCodes.SUCCESS) {
// Store this in the tag object
@ -132,7 +123,7 @@ import android.util.Log;
}
try {
int errorCode = mTagService.reconnect(mTag.getServiceHandle());
int errorCode = mTag.getTagService().reconnect(mTag.getServiceHandle());
if (errorCode != ErrorCodes.SUCCESS) {
mIsConnected = false;
@ -153,7 +144,7 @@ import android.util.Log;
/* Note that we don't want to physically disconnect the tag,
* but just reconnect to it to reset its state
*/
mTagService.reconnect(mTag.getServiceHandle());
mTag.getTagService().reconnect(mTag.getServiceHandle());
} catch (RemoteException e) {
Log.e(TAG, "NFC service dead", e);
} finally {
@ -167,7 +158,7 @@ import android.util.Log;
checkConnected();
try {
TransceiveResult result = mTagService.transceive(mTag.getServiceHandle(), data, raw);
TransceiveResult result = mTag.getTagService().transceive(mTag.getServiceHandle(), data, raw);
if (result == null) {
throw new IOException("transceive failed");
} else {

View File

@ -14,9 +14,8 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.os.Bundle;
import android.os.RemoteException;
@ -28,7 +27,7 @@ import java.io.IOException;
* A low-level connection to a {@link Tag} using the ISO-DEP technology, also known as
* ISO1443-4.
*
* <p>You can acquire this kind of connection with {@link NfcAdapter#getTechnology}.
* <p>You can acquire this kind of connection with {@link #get}.
* Use this class to send and receive data with {@link #transceive transceive()}.
*
* <p>Applications must implement their own protocol stack on top of
@ -49,10 +48,26 @@ public final class IsoDep extends BasicTagTechnology {
private byte[] mHiLayerResponse = null;
private byte[] mHistBytes = null;
/**
* Returns an instance of this tech for the given tag. If the tag doesn't support
* this tech type null is returned.
*
* @param tag The tag to get the tech from
*/
public static IsoDep get(Tag tag) {
if (!tag.hasTech(TagTechnology.ISO_DEP)) return null;
try {
return new IsoDep(tag);
} catch (RemoteException e) {
return null;
}
}
/** @hide */
public IsoDep(NfcAdapter adapter, Tag tag, Bundle extras)
public IsoDep(Tag tag)
throws RemoteException {
super(adapter, tag, TagTechnology.ISO_DEP);
super(tag, TagTechnology.ISO_DEP);
Bundle extras = tag.getTechExtras(TagTechnology.ISO_DEP);
if (extras != null) {
mHiLayerResponse = extras.getByteArray(EXTRA_HI_LAYER_RESP);
mHistBytes = extras.getByteArray(EXTRA_HIST_BYTES);
@ -70,7 +85,7 @@ public final class IsoDep extends BasicTagTechnology {
*/
public void setTimeout(int timeout) {
try {
mTagService.setIsoDepTimeout(timeout);
mTag.getTagService().setIsoDepTimeout(timeout);
} catch (RemoteException e) {
Log.e(TAG, "NFC service dead", e);
}
@ -79,7 +94,7 @@ public final class IsoDep extends BasicTagTechnology {
@Override
public void close() {
try {
mTagService.resetIsoDepTimeout();
mTag.getTagService().resetIsoDepTimeout();
} catch (RemoteException e) {
Log.e(TAG, "NFC service dead", e);
}

View File

@ -14,12 +14,10 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.NfcAdapter;
import android.nfc.TagLostException;
import android.nfc.Tag;
import android.os.Bundle;
import android.nfc.TagLostException;
import android.os.RemoteException;
import java.io.IOException;
@ -82,12 +80,27 @@ public final class MifareClassic extends BasicTagTechnology {
private int mType;
private int mSize;
/**
* Returns an instance of this tech for the given tag. If the tag doesn't support
* this tech type null is returned.
*
* @param tag The tag to get the tech from
*/
public static MifareClassic get(Tag tag) {
if (!tag.hasTech(TagTechnology.MIFARE_CLASSIC)) return null;
try {
return new MifareClassic(tag);
} catch (RemoteException e) {
return null;
}
}
/** @hide */
public MifareClassic(NfcAdapter adapter, Tag tag, Bundle extras) throws RemoteException {
super(adapter, tag, TagTechnology.MIFARE_CLASSIC);
public MifareClassic(Tag tag) throws RemoteException {
super(tag, TagTechnology.MIFARE_CLASSIC);
// Check if this could actually be a MIFARE Classic
NfcA a = (NfcA) adapter.getTechnology(tag, TagTechnology.NFC_A);
NfcA a = NfcA.get(tag);
mIsEmulated = false;
mType = TYPE_UNKNOWN;

View File

@ -14,11 +14,9 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.os.Bundle;
import android.os.RemoteException;
import java.io.IOException;
@ -44,16 +42,31 @@ public final class MifareUltralight extends BasicTagTechnology {
private int mType;
/**
* Returns an instance of this tech for the given tag. If the tag doesn't support
* this tech type null is returned.
*
* @param tag The tag to get the tech from
*/
public static MifareUltralight get(Tag tag) {
if (!tag.hasTech(TagTechnology.MIFARE_ULTRALIGHT)) return null;
try {
return new MifareUltralight(tag);
} catch (RemoteException e) {
return null;
}
}
/** @hide */
public MifareUltralight(NfcAdapter adapter, Tag tag, Bundle extras) throws RemoteException {
super(adapter, tag, TagTechnology.MIFARE_ULTRALIGHT);
public MifareUltralight(Tag tag) throws RemoteException {
super(tag, TagTechnology.MIFARE_ULTRALIGHT);
// Check if this could actually be a Mifare
NfcA a = (NfcA) adapter.getTechnology(tag, TagTechnology.NFC_A);
NfcA a = NfcA.get(tag);
mType = TYPE_UNKNOWN;
if( a.getSak() == 0x00 && tag.getId()[0] == NXP_MANUFACTURER_ID ) {
if (a.getSak() == 0x00 && tag.getId()[0] == NXP_MANUFACTURER_ID) {
// could be UL or UL-C
mType = TYPE_ULTRALIGHT;
}

View File

@ -14,10 +14,11 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.ErrorCodes;
import android.nfc.FormatException;
import android.nfc.INfcTag;
import android.nfc.NdefMessage;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
@ -32,7 +33,7 @@ import java.io.IOException;
* to interact with NDEF data. MiFare Classic cards that present NDEF data may also be used
* via this class. To determine the exact technology being used call {@link #getTechnologyId()}
*
* <p>You can acquire this kind of connection with {@link NfcAdapter#getTechnology}.
* <p>You can acquire this kind of connection with {@link #get}.
*
* <p class="note"><strong>Note:</strong>
* Use of this class requires the {@link android.Manifest.permission#NFC}
@ -60,26 +61,40 @@ public final class Ndef extends BasicTagTechnology {
/** @hide */
public static final String EXTRA_NDEF_TYPE = "ndeftype";
//TODO: consider removing OTHER entirely - and not allowing Ndef to
// enumerate for tag types outside of (NFC Forum 1-4, MifareClassic)
public static final int OTHER = -1;
public static final int NFC_FORUM_TYPE_1 = 1;
public static final int NFC_FORUM_TYPE_2 = 2;
public static final int NFC_FORUM_TYPE_3 = 3;
public static final int NFC_FORUM_TYPE_4 = 4;
public static final int MIFARE_CLASSIC = 105;
public static final int MIFARE_CLASSIC = 101;
private final int mMaxNdefSize;
private final int mCardState;
private final NdefMessage mNdefMsg;
private final int mNdefType;
/**
* Returns an instance of this tech for the given tag. If the tag doesn't support
* this tech type null is returned.
*
* @param tag The tag to get the tech from
*/
public static Ndef get(Tag tag) {
if (!tag.hasTech(TagTechnology.NDEF)) return null;
try {
return new Ndef(tag);
} catch (RemoteException e) {
return null;
}
}
/**
* Internal constructor, to be used by NfcAdapter
* @hide
*/
public Ndef(NfcAdapter adapter, Tag tag, int tech, Bundle extras) throws RemoteException {
super(adapter, tag, tech);
public Ndef(Tag tag) throws RemoteException {
super(tag, TagTechnology.NDEF);
Bundle extras = tag.getTechExtras(TagTechnology.NDEF);
if (extras != null) {
mMaxNdefSize = extras.getInt(EXTRA_NDEF_MAXLENGTH);
mCardState = extras.getInt(EXTRA_NDEF_CARDSTATE);
@ -142,11 +157,12 @@ public final class Ndef extends BasicTagTechnology {
checkConnected();
try {
INfcTag tagService = mTag.getTagService();
int serviceHandle = mTag.getServiceHandle();
if (mTagService.isNdef(serviceHandle)) {
NdefMessage msg = mTagService.ndefRead(serviceHandle);
if (tagService.isNdef(serviceHandle)) {
NdefMessage msg = tagService.ndefRead(serviceHandle);
if (msg == null) {
int errorCode = mTagService.getLastError(serviceHandle);
int errorCode = tagService.getLastError(serviceHandle);
switch (errorCode) {
case ErrorCodes.ERROR_IO:
throw new IOException();
@ -175,9 +191,10 @@ public final class Ndef extends BasicTagTechnology {
checkConnected();
try {
INfcTag tagService = mTag.getTagService();
int serviceHandle = mTag.getServiceHandle();
if (mTagService.isNdef(serviceHandle)) {
int errorCode = mTagService.ndefWrite(serviceHandle, msg);
if (tagService.isNdef(serviceHandle)) {
int errorCode = tagService.ndefWrite(serviceHandle, msg);
switch (errorCode) {
case ErrorCodes.SUCCESS:
break;
@ -221,8 +238,9 @@ public final class Ndef extends BasicTagTechnology {
checkConnected();
try {
if (mTagService.isNdef(mTag.getServiceHandle())) {
int errorCode = mTagService.ndefMakeReadOnly(mTag.getServiceHandle());
INfcTag tagService = mTag.getTagService();
if (tagService.isNdef(mTag.getServiceHandle())) {
int errorCode = tagService.ndefMakeReadOnly(mTag.getServiceHandle());
switch (errorCode) {
case ErrorCodes.SUCCESS:
return true;

View File

@ -14,14 +14,14 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.ErrorCodes;
import android.nfc.FormatException;
import android.nfc.INfcTag;
import android.nfc.NdefMessage;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.os.Bundle;
import android.os.RemoteException;
import android.util.Log;
@ -30,7 +30,7 @@ import java.io.IOException;
/**
* An interface to a {@link Tag} allowing to format the tag as NDEF.
*
* <p>You can acquire this kind of interface with {@link NfcAdapter#getTechnology}.
* <p>You can acquire this kind of connection with {@link #get}.
*
* <p class="note"><strong>Note:</strong>
* Use of this class requires the {@link android.Manifest.permission#NFC}
@ -39,12 +39,27 @@ import java.io.IOException;
public final class NdefFormatable extends BasicTagTechnology {
private static final String TAG = "NFC";
/**
* Returns an instance of this tech for the given tag. If the tag doesn't support
* this tech type null is returned.
*
* @param tag The tag to get the tech from
*/
public static NdefFormatable get(Tag tag) {
if (!tag.hasTech(TagTechnology.NDEF_FORMATABLE)) return null;
try {
return new NdefFormatable(tag);
} catch (RemoteException e) {
return null;
}
}
/**
* Internal constructor, to be used by NfcAdapter
* @hide
*/
public NdefFormatable(NfcAdapter adapter, Tag tag, int tech, Bundle extras) throws RemoteException {
super(adapter, tag, tech);
public NdefFormatable(Tag tag) throws RemoteException {
super(tag, TagTechnology.NDEF_FORMATABLE);
}
/**
@ -55,10 +70,9 @@ public final class NdefFormatable extends BasicTagTechnology {
checkConnected();
try {
byte[] DEFAULT_KEY = {(byte)0xFF,(byte)0xFF,(byte)0xFF,
(byte)0xFF,(byte)0xFF,(byte)0xFF};
int serviceHandle = mTag.getServiceHandle();
int errorCode = mTagService.formatNdef(serviceHandle, DEFAULT_KEY);
INfcTag tagService = mTag.getTagService();
int errorCode = tagService.formatNdef(serviceHandle, MifareClassic.KEY_DEFAULT);
switch (errorCode) {
case ErrorCodes.SUCCESS:
break;
@ -71,8 +85,8 @@ public final class NdefFormatable extends BasicTagTechnology {
throw new IOException();
}
// Now check and see if the format worked
if (mTagService.isNdef(serviceHandle)) {
errorCode = mTagService.ndefWrite(serviceHandle, firstMessage);
if (tagService.isNdef(serviceHandle)) {
errorCode = tagService.ndefWrite(serviceHandle, firstMessage);
switch (errorCode) {
case ErrorCodes.SUCCESS:
break;

View File

@ -14,9 +14,8 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.os.Bundle;
import android.os.RemoteException;
@ -27,7 +26,7 @@ import java.io.IOException;
* A low-level connection to a {@link Tag} using the NFC-A technology, also known as
* ISO1443-3A.
*
* <p>You can acquire this kind of connection with {@link NfcAdapter#getTechnology}.
* <p>You can acquire this kind of connection with {@link #get}.
* Use this class to send and receive data with {@link #transceive transceive()}.
*
* <p>Applications must implement their own protocol stack on top of
@ -46,9 +45,25 @@ public final class NfcA extends BasicTagTechnology {
private short mSak;
private byte[] mAtqa;
/**
* Returns an instance of this tech for the given tag. If the tag doesn't support
* this tech type null is returned.
*
* @param tag The tag to get the tech from
*/
public static NfcA get(Tag tag) {
if (!tag.hasTech(TagTechnology.NFC_A)) return null;
try {
return new NfcA(tag);
} catch (RemoteException e) {
return null;
}
}
/** @hide */
public NfcA(NfcAdapter adapter, Tag tag, Bundle extras) throws RemoteException {
super(adapter, tag, TagTechnology.NFC_A);
public NfcA(Tag tag) throws RemoteException {
super(tag, TagTechnology.NFC_A);
Bundle extras = tag.getTechExtras(TagTechnology.NFC_A);
mSak = extras.getShort(EXTRA_SAK);
mAtqa = extras.getByteArray(EXTRA_ATQA);
}

View File

@ -14,9 +14,8 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.os.Bundle;
import android.os.RemoteException;
@ -27,7 +26,7 @@ import java.io.IOException;
* A low-level connection to a {@link Tag} using the NFC-B technology, also known as
* ISO1443-3B.
*
* <p>You can acquire this kind of connection with {@link NfcAdapter#getTechnology}.
* <p>You can acquire this kind of connection with {@link #get}.
* Use this class to send and receive data with {@link #transceive transceive()}.
*
* <p>Applications must implement their own protocol stack on top of
@ -46,10 +45,25 @@ public final class NfcB extends BasicTagTechnology {
private byte[] mAppData;
private byte[] mProtInfo;
/**
* Returns an instance of this tech for the given tag. If the tag doesn't support
* this tech type null is returned.
*
* @param tag The tag to get the tech from
*/
public static NfcB get(Tag tag) {
if (!tag.hasTech(TagTechnology.NFC_B)) return null;
try {
return new NfcB(tag);
} catch (RemoteException e) {
return null;
}
}
/** @hide */
public NfcB(NfcAdapter adapter, Tag tag, Bundle extras)
throws RemoteException {
super(adapter, tag, TagTechnology.NFC_B);
public NfcB(Tag tag) throws RemoteException {
super(tag, TagTechnology.NFC_B);
Bundle extras = tag.getTechExtras(TagTechnology.NFC_B);
mAppData = extras.getByteArray(EXTRA_APPDATA);
mProtInfo = extras.getByteArray(EXTRA_PROTINFO);
}

View File

@ -14,9 +14,8 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.os.Bundle;
import android.os.RemoteException;
@ -27,7 +26,7 @@ import java.io.IOException;
* A low-level connection to a {@link Tag} using the NFC-F technology, also known as
* JIS6319-4.
*
* <p>You can acquire this kind of connection with {@link NfcAdapter#getTechnology}.
* <p>You can acquire this kind of connection with {@link #get}.
* Use this class to send and receive data with {@link #transceive transceive()}.
*
* <p>Applications must implement their own protocol stack on top of
@ -46,10 +45,25 @@ public final class NfcF extends BasicTagTechnology {
private byte[] mSystemCode = null;
private byte[] mManufacturer = null;
/**
* Returns an instance of this tech for the given tag. If the tag doesn't support
* this tech type null is returned.
*
* @param tag The tag to get the tech from
*/
public static NfcF get(Tag tag) {
if (!tag.hasTech(TagTechnology.NFC_F)) return null;
try {
return new NfcF(tag);
} catch (RemoteException e) {
return null;
}
}
/** @hide */
public NfcF(NfcAdapter adapter, Tag tag, Bundle extras)
throws RemoteException {
super(adapter, tag, TagTechnology.NFC_F);
public NfcF(Tag tag) throws RemoteException {
super(tag, TagTechnology.NFC_F);
Bundle extras = tag.getTechExtras(TagTechnology.NFC_F);
if (extras != null) {
mSystemCode = extras.getByteArray(EXTRA_SC);
mManufacturer = extras.getByteArray(EXTRA_PMM);

View File

@ -14,9 +14,8 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.os.Bundle;
import android.os.RemoteException;
@ -27,7 +26,7 @@ import java.io.IOException;
* A low-level connection to a {@link Tag} using NFC vicinity technology, also known as
* ISO15693.
*
* <p>You can acquire this kind of connection with {@link NfcAdapter#getTechnology}.
* <p>You can acquire this kind of connection with {@link #get}.
* Use this class to send and receive data with {@link #transceive transceive()}.
*
* <p>Applications must implement their own protocol stack on top of
@ -47,10 +46,25 @@ public final class NfcV extends BasicTagTechnology {
private byte mRespFlags;
private byte mDsfId;
/**
* Returns an instance of this tech for the given tag. If the tag doesn't support
* this tech type null is returned.
*
* @param tag The tag to get the tech from
*/
public static NfcV get(Tag tag) {
if (!tag.hasTech(TagTechnology.NFC_V)) return null;
try {
return new NfcV(tag);
} catch (RemoteException e) {
return null;
}
}
/** @hide */
public NfcV(NfcAdapter adapter, Tag tag, Bundle extras)
throws RemoteException {
super(adapter, tag, TagTechnology.NFC_V);
public NfcV(Tag tag) throws RemoteException {
super(tag, TagTechnology.NFC_V);
Bundle extras = tag.getTechExtras(TagTechnology.NFC_V);
mRespFlags = extras.getByte(EXTRA_RESP_FLAGS);
mDsfId = extras.getByte(EXTRA_DSFID);
}

View File

@ -14,7 +14,7 @@
* limitations under the License.
*/
package android.nfc.technology;
package android.nfc.tech;
import android.nfc.Tag;
@ -24,42 +24,49 @@ public interface TagTechnology {
/**
* This technology is an instance of {@link NfcA}.
* <p>Support for this technology type is mandatory.
* @hide
*/
public static final int NFC_A = 1;
/**
* This technology is an instance of {@link NfcB}.
* <p>Support for this technology type is mandatory.
* @hide
*/
public static final int NFC_B = 2;
/**
* This technology is an instance of {@link IsoDep}.
* <p>Support for this technology type is mandatory.
* @hide
*/
public static final int ISO_DEP = 3;
/**
* This technology is an instance of {@link NfcF}.
* <p>Support for this technology type is mandatory.
* @hide
*/
public static final int NFC_F = 4;
/**
* This technology is an instance of {@link NfcV}.
* <p>Support for this technology type is mandatory.
* @hide
*/
public static final int NFC_V = 5;
/**
* This technology is an instance of {@link Ndef}.
* <p>Support for this technology type is mandatory.
* @hide
*/
public static final int NDEF = 6;
/**
* This technology is an instance of {@link NdefFormatable}.
* <p>Support for this technology type is mandatory.
* @hide
*/
public static final int NDEF_FORMATABLE = 7;
@ -68,6 +75,7 @@ public interface TagTechnology {
* <p>Support for this technology type is optional. If a stack doesn't support this technology
* type tags using it must still be discovered and present the lower level radio interface
* technologies in use.
* @hide
*/
public static final int MIFARE_CLASSIC = 8;
@ -76,11 +84,13 @@ public interface TagTechnology {
* <p>Support for this technology type is optional. If a stack doesn't support this technology
* type tags using it must still be discovered and present the lower level radio interface
* technologies in use.
* @hide
*/
public static final int MIFARE_ULTRALIGHT = 9;
/**
* Returns the technology type for this tag connection.
* @hide
*/
public int getTechnologyId();