Remove legacy HCE APIs. (51b63221) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −1

Original line number	Diff line number	Diff line
		@@ -15294,7 +15294,7 @@ package android.nfc.cardemulation {
		method public final void notifyUnhandled();
		method public final android.os.IBinder onBind(android.content.Intent);
		method public abstract void onDeactivated(int);
		method public byte[] processCommandApdu(byte[], android.os.Bundle);
		method public abstract byte[] processCommandApdu(byte[], android.os.Bundle);
		method public final void sendResponseApdu(byte[]);
		field public static final int DEACTIVATION_DESELECTED = 1; // 0x1
		field public static final int DEACTIVATION_LINK_LOSS = 0; // 0x0

core/java/android/nfc/cardemulation/ApduServiceInfo.java

+2 −6

Original line number	Diff line number	Diff line
		@@ -104,14 +104,10 @@ public final class ApduServiceInfo implements Parcelable {
		try {
		if (onHost) {
		parser = si.loadXmlMetaData(pm, HostApduService.SERVICE_META_DATA);
		if (parser == null) {
		Log.d(TAG, "Didn't find service meta-data, trying legacy.");
		parser = si.loadXmlMetaData(pm, HostApduService.OLD_SERVICE_META_DATA);
		if (parser == null) {
		throw new XmlPullParserException("No " + HostApduService.SERVICE_META_DATA +
		" meta-data");
		}
		}
		} else {
		parser = si.loadXmlMetaData(pm, OffHostApduService.SERVICE_META_DATA);
		if (parser == null) {

core/java/android/nfc/cardemulation/CardEmulationManager.java

deleted100644 → 0

+0 −347

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2013 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.nfc.cardemulation;

		import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		import android.app.ActivityThread;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.pm.IPackageManager;
		import android.content.pm.PackageManager;
		import android.nfc.INfcCardEmulation;
		import android.nfc.NfcAdapter;
		import android.os.RemoteException;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.util.Log;

		import java.util.HashMap;
		import java.util.List;

		/**
		* TODO Remove when calling .apks are upgraded
		* @hide
		*/
		public final class CardEmulationManager {
		static final String TAG = "CardEmulationManager";

		/**
		* Activity action: ask the user to change the default
		* card emulation service for a certain category. This will
		* show a dialog that asks the user whether he wants to
		* replace the current default service with the service
		* identified with the ComponentName specified in
		* {@link #EXTRA_SERVICE_COMPONENT}, for the category
		* specified in {@link #EXTRA_CATEGORY}
		*/
		@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
		public static final String ACTION_CHANGE_DEFAULT =
		"android.nfc.cardemulation.ACTION_CHANGE_DEFAULT";

		/**
		* The category extra for {@link #ACTION_CHANGE_DEFAULT}
		*
		* @see #ACTION_CHANGE_DEFAULT
		*/
		public static final String EXTRA_CATEGORY = "category";

		/**
		* The ComponentName object passed in as a parcelable
		* extra for {@link #ACTION_CHANGE_DEFAULT}
		*
		* @see #ACTION_CHANGE_DEFAULT
		*/
		public static final String EXTRA_SERVICE_COMPONENT = "component";

		/**
		* The payment category can be used to indicate that an AID
		* represents a payment application.
		*/
		public static final String CATEGORY_PAYMENT = "payment";

		/**
		* If an AID group does not contain a category, or the
		* specified category is not defined by the platform version
		* that is parsing the AID group, all AIDs in the group will
		* automatically be categorized under the {@link #CATEGORY_OTHER}
		* category.
		*/
		public static final String CATEGORY_OTHER = "other";

		/**
		* Return value for {@link #getSelectionModeForCategory(String)}.
		*
		* <p>In this mode, the user has set a default service for this
		* AID category. If a remote reader selects any of the AIDs
		* that the default service has registered in this category,
		* that service will automatically be bound to to handle
		* the transaction.
		*
		* <p>There are still cases where a service that is
		* not the default for a category can selected:
		* <p>
		* If a remote reader selects an AID in this category
		* that is not handled by the default service, and there is a set
		* of other services {S} that do handle this AID, the
		* user is asked if he wants to use any of the services in
		* {S} instead.
		* <p>
		* As a special case, if the size of {S} is one, containing a single service X,
		* and all AIDs X has registered in this category are not
		* registered by any other service, then X will be
		* selected automatically without asking the user.
		* <p>Example:
		* <ul>
		* <li>Service A registers AIDs "1", "2" and "3" in the category
		* <li>Service B registers AIDs "3" and "4" in the category
		* <li>Service C registers AIDs "5" and "6" in the category
		* </ul>
		* In this case, the following will happen when service A
		* is the default:
		* <ul>
		* <li>Reader selects AID "1", "2" or "3": service A is invoked automatically
		* <li>Reader selects AID "4": the user is asked to confirm he
		* wants to use service B, because its AIDs overlap with service A.
		* <li>Reader selects AID "5" or "6": service C is invoked automatically,
		* because all AIDs it has asked for are only registered by C,
		* and there is no overlap.
		* </ul>
		*
		*/
		public static final int SELECTION_MODE_PREFER_DEFAULT = 0;

		/**
		* Return value for {@link #getSelectionModeForCategory(String)}.
		*
		* <p>In this mode, whenever an AID of this category is selected,
		* the user is asked which service he wants to use to handle
		* the transaction, even if there is only one matching service.
		*/
		public static final int SELECTION_MODE_ALWAYS_ASK = 1;

		/**
		* Return value for {@link #getSelectionModeForCategory(String)}.
		*
		* <p>In this mode, the user will only be asked to select a service
		* if the selected AID has been registered by multiple applications.
		*/
		public static final int SELECTION_MODE_ASK_IF_CONFLICT = 2;

		static boolean sIsInitialized = false;
		static HashMap<Context, CardEmulationManager> sCardEmuManagers = new HashMap();
		static INfcCardEmulation sService;

		final Context mContext;

		private CardEmulationManager(Context context, INfcCardEmulation service) {
		mContext = context.getApplicationContext();
		sService = service;
		}

		public static synchronized CardEmulationManager getInstance(NfcAdapter adapter) {
		if (adapter == null) throw new NullPointerException("NfcAdapter is null");
		Context context = adapter.getContext();
		if (context == null) {
		Log.e(TAG, "NfcAdapter context is null.");
		throw new UnsupportedOperationException();
		}
		if (!sIsInitialized) {
		IPackageManager pm = ActivityThread.getPackageManager();
		if (pm == null) {
		Log.e(TAG, "Cannot get PackageManager");
		throw new UnsupportedOperationException();
		}
		try {
		if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC_HOST_CARD_EMULATION)) {
		Log.e(TAG, "This device does not support card emulation");
		throw new UnsupportedOperationException();
		}
		} catch (RemoteException e) {
		Log.e(TAG, "PackageManager query failed.");
		throw new UnsupportedOperationException();
		}
		sIsInitialized = true;
		}
		CardEmulationManager manager = sCardEmuManagers.get(context);
		if (manager == null) {
		// Get card emu service
		INfcCardEmulation service = adapter.getCardEmulationService();
		manager = new CardEmulationManager(context, service);
		sCardEmuManagers.put(context, manager);
		}
		return manager;
		}

		/**
		* Allows an application to query whether a service is currently
		* the default service to handle a card emulation category.
		*
		* <p>Note that if {@link #getSelectionModeForCategory(String)}
		* returns {@link #SELECTION_MODE_ALWAYS_ASK}, this method will always
		* return false.
		*
		* @param service The ComponentName of the service
		* @param category The category
		* @return whether service is currently the default service for the category.
		*/
		public boolean isDefaultServiceForCategory(ComponentName service, String category) {
		try {
		return sService.isDefaultServiceForCategory(UserHandle.myUserId(), service, category);
		} catch (RemoteException e) {
		// Try one more time
		recoverService();
		if (sService == null) {
		Log.e(TAG, "Failed to recover CardEmulationService.");
		return false;
		}
		try {
		return sService.isDefaultServiceForCategory(UserHandle.myUserId(), service,
		category);
		} catch (RemoteException ee) {
		Log.e(TAG, "Failed to recover CardEmulationService.");
		return false;
		}
		}
		}

		/**
		*
		* Allows an application to query whether a service is currently
		* the default handler for a specified ISO7816-4 Application ID.
		*
		* @param service The ComponentName of the service
		* @param aid The ISO7816-4 Application ID
		* @return
		*/
		public boolean isDefaultServiceForAid(ComponentName service, String aid) {
		try {
		return sService.isDefaultServiceForAid(UserHandle.myUserId(), service, aid);
		} catch (RemoteException e) {
		// Try one more time
		recoverService();
		if (sService == null) {
		Log.e(TAG, "Failed to recover CardEmulationService.");
		return false;
		}
		try {
		return sService.isDefaultServiceForAid(UserHandle.myUserId(), service, aid);
		} catch (RemoteException ee) {
		Log.e(TAG, "Failed to reach CardEmulationService.");
		return false;
		}
		}
		}

		/**
		* Returns the application selection mode for the passed in category.
		* Valid return values are:
		* <p>{@link #SELECTION_MODE_PREFER_DEFAULT} the user has requested a default
		* application for this category, which will be preferred.
		* <p>{@link #SELECTION_MODE_ALWAYS_ASK} the user has requested to be asked
		* every time what app he would like to use in this category.
		* <p>{@link #SELECTION_MODE_ASK_IF_CONFLICT} the user will only be asked
		* to pick a service if there is a conflict.
		* @param category The category, for example {@link #CATEGORY_PAYMENT}
		* @return
		*/
		public int getSelectionModeForCategory(String category) {
		if (CATEGORY_PAYMENT.equals(category)) {
		String defaultComponent = Settings.Secure.getString(mContext.getContentResolver(),
		Settings.Secure.NFC_PAYMENT_DEFAULT_COMPONENT);
		if (defaultComponent != null) {
		return SELECTION_MODE_PREFER_DEFAULT;
		} else {
		return SELECTION_MODE_ALWAYS_ASK;
		}
		} else {
		// All other categories are in "only ask if conflict" mode
		return SELECTION_MODE_ASK_IF_CONFLICT;
		}
		}

		/**
		* @hide
		*/
		public boolean setDefaultServiceForCategory(ComponentName service, String category) {
		try {
		return sService.setDefaultServiceForCategory(UserHandle.myUserId(), service, category);
		} catch (RemoteException e) {
		// Try one more time
		recoverService();
		if (sService == null) {
		Log.e(TAG, "Failed to recover CardEmulationService.");
		return false;
		}
		try {
		return sService.setDefaultServiceForCategory(UserHandle.myUserId(), service,
		category);
		} catch (RemoteException ee) {
		Log.e(TAG, "Failed to reach CardEmulationService.");
		return false;
		}
		}
		}

		/**
		* @hide
		*/
		public boolean setDefaultForNextTap(ComponentName service) {
		try {
		return sService.setDefaultForNextTap(UserHandle.myUserId(), service);
		} catch (RemoteException e) {
		// Try one more time
		recoverService();
		if (sService == null) {
		Log.e(TAG, "Failed to recover CardEmulationService.");
		return false;
		}
		try {
		return sService.setDefaultForNextTap(UserHandle.myUserId(), service);
		} catch (RemoteException ee) {
		Log.e(TAG, "Failed to reach CardEmulationService.");
		return false;
		}
		}
		}
		/**
		* @hide
		*/
		public List<ApduServiceInfo> getServices(String category) {
		try {
		return sService.getServices(UserHandle.myUserId(), category);
		} catch (RemoteException e) {
		// Try one more time
		recoverService();
		if (sService == null) {
		Log.e(TAG, "Failed to recover CardEmulationService.");
		return null;
		}
		try {
		return sService.getServices(UserHandle.myUserId(), category);
		} catch (RemoteException ee) {
		Log.e(TAG, "Failed to reach CardEmulationService.");
		return null;
		}
		}
		}

		void recoverService() {
		NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mContext);
		sService = adapter.getCardEmulationService();
		}
		}

core/java/android/nfc/cardemulation/HostApduService.java

+1 −48

Original line number	Diff line number	Diff line
		@@ -49,23 +49,6 @@ public abstract class HostApduService extends Service {
		public static final String SERVICE_META_DATA =
		"android.nfc.cardemulation.host_apdu_service";

		/**
		* The {@link Intent} that must be declared as handled by the service.
		* TODO Remove
		* @hide
		*/
		public static final String OLD_SERVICE_INTERFACE =
		"android.nfc.HostApduService";

		/**
		* The name of the meta-data element that contains
		* more information about this service.
		*
		* TODO Remove
		* @hide
		*/
		public static final String OLD_SERVICE_META_DATA = "android.nfc.HostApduService";

		/**
		* Reason for {@link #onDeactivated(int)}.
		* Indicates deactivation was due to the NFC link
		@@ -282,37 +265,7 @@ public abstract class HostApduService extends Service {
		* @return a byte-array containing the response APDU, or null if no
		* response APDU can be sent at this point.
		*/
		public byte[] processCommandApdu(byte[] commandApdu, Bundle extras) {
		// TODO make this abstract
		return processCommandApdu(commandApdu, 0);
		}

		/**
		* <p>This method will be called when a command APDU has been received
		* from a remote device. A response APDU can be provided directly
		* by returning a byte-array in this method. Note that in general
		* response APDUs must be sent as quickly as possible, given the fact
		* that the user is likely holding his device over an NFC reader
		* when this method is called.
		*
		* <p class="note">If there are multiple services that have registered for the same
		* AIDs in their meta-data entry, you will only get called if the user has
		* explicitly selected your service, either as a default or just for the next tap.
		*
		* <p class="note">This method is running on the main thread of your application.
		* If you cannot return a response APDU immediately, return null
		* and use the {@link #sendResponseApdu(byte[])} method later.
		*
		* @deprecated use {@link #processCommandApdu(byte[], Bundle)}
		* @param commandApdu
		* @param flags
		* @return a byte-array containing the response APDU, or null if no
		* response APDU can be sent at this point.
		* @hide
		*/
		public byte[] processCommandApdu(byte[] commandApdu, int flags) {
		return null;
		}
		public abstract byte[] processCommandApdu(byte[] commandApdu, Bundle extras);

		/**
		* This method will be called in two possible scenarios: