Changes for access control. (bb951c89) · Commits · e / os / android_frameworks_base

core/java/android/nfc/INfcAdapter.aidl

+1 −1

Original line number	Diff line number	Diff line
		@@ -32,7 +32,7 @@ import android.nfc.INfcTag;
		interface INfcAdapter
		{
		INfcTag getNfcTagInterface();
		INfcAdapterExtras getNfcAdapterExtrasInterface();
		INfcAdapterExtras getNfcAdapterExtrasInterface(in String pkg);

		int getState();
		boolean disable();

core/java/android/nfc/INfcAdapterExtras.aidl

+6 −6

Original line number	Diff line number	Diff line
		@@ -23,10 +23,10 @@ import android.os.Bundle;
		* {@hide}
		*/
		interface INfcAdapterExtras {
		Bundle open(IBinder b);
		Bundle close();
		Bundle transceive(in byte[] data_in);
		int getCardEmulationRoute();
		void setCardEmulationRoute(int route);
		void authenticate(in byte[] token);
		Bundle open(in String pkg, IBinder b);
		Bundle close(in String pkg, IBinder b);
		Bundle transceive(in String pkg, in byte[] data_in);
		int getCardEmulationRoute(in String pkg);
		void setCardEmulationRoute(in String pkg, int route);
		void authenticate(in String pkg, in byte[] token);
		}

core/java/android/nfc/NfcAdapter.java

+54 −24

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package android.nfc;

		import java.util.HashMap;

		import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		import android.app.Activity;
		@@ -197,15 +199,21 @@ public final class NfcAdapter {
		static INfcTag sTagService;

		/**
		* NfcAdapter is currently a singleton, and does not require a context.
		* However all the public API's are future-proofed to require a context.
		* If we start using that then we'll need to keep a HashMap of
		* Context.getApplicationContext() -> NfcAdapter, such that NfcAdapter
		* is a singleton within each application context.
		* The NfcAdapter object for each application context.
		* There is a 1-1 relationship between application context and
		* NfcAdapter object.
		*/
		static HashMap<Context, NfcAdapter> sNfcAdapters = new HashMap(); //guard by NfcAdapter.class

		/**
		* NfcAdapter used with a null context. This ctor was deprecated but we have
		* to support it for backwards compatibility. New methods that require context
		* might throw when called on the null-context NfcAdapter.
		*/
		static NfcAdapter sSingleton; // protected by NfcAdapter.class
		static NfcAdapter sNullContextNfcAdapter; // protected by NfcAdapter.class

		final NfcActivityManager mNfcActivityManager;
		final Context mContext;

		/**
		* A callback to be invoked when the system successfully delivers your {@link NdefMessage}
		@@ -280,12 +288,12 @@ public final class NfcAdapter {
		}

		/**
		* Returns the singleton, or throws if NFC is not available.
		* Returns the NfcAdapter for application context,
		* or throws if NFC is not available.
		* @hide
		*/
		static synchronized NfcAdapter getSingleton() {
		public static synchronized NfcAdapter getNfcAdapter(Context context) {
		if (!sIsInitialized) {
		sIsInitialized = true;

		/* is this device meant to have NFC */
		if (!hasNfcFeature()) {
		Log.v(TAG, "this device does not have NFC support");
		@@ -303,12 +311,21 @@ public final class NfcAdapter {
		Log.e(TAG, "could not retrieve NFC Tag service");
		throw new UnsupportedOperationException();
		}
		sSingleton = new NfcAdapter();

		sIsInitialized = true;
		}
		if (context == null) {
		if (sNullContextNfcAdapter == null) {
		sNullContextNfcAdapter = new NfcAdapter(null);
		}
		if (sSingleton == null) {
		throw new UnsupportedOperationException();
		return sNullContextNfcAdapter;
		}
		NfcAdapter adapter = sNfcAdapters.get(context);
		if (adapter == null) {
		adapter = new NfcAdapter(context);
		sNfcAdapters.put(context, adapter);
		}
		return sSingleton;
		return adapter;
		}

		/** get handle to NFC service interface */
		@@ -336,6 +353,10 @@ public final class NfcAdapter {
		* @return the default NFC adapter, or null if no NFC adapter exists
		*/
		public static NfcAdapter getDefaultAdapter(Context context) {
		if (context == null) {
		throw new IllegalArgumentException("context cannot be null");
		}
		context = context.getApplicationContext();
		/* use getSystemService() instead of just instantiating to take
		* advantage of the context's cached NfcManager & NfcAdapter */
		NfcManager manager = (NfcManager) context.getSystemService(Context.NFC_SERVICE);
		@@ -343,25 +364,30 @@ public final class NfcAdapter {
		}

		/**
		* Get a handle to the default NFC Adapter on this Android device.
		* <p>
		* Most Android devices will only have one NFC Adapter (NFC Controller).
		*
		* @return the default NFC adapter, or null if no NFC adapter exists
		* Legacy NfcAdapter getter, always use {@link #getDefaultAdapter(Context)} instead.<p>
		* This method was deprecated at API level 10 (Gingerbread MR1) because a context is required
		* for many NFC API methods. Those methods will fail when called on an NfcAdapter
		* object created from this method.<p>
		* @deprecated use {@link #getDefaultAdapter(Context)}
		*/
		@Deprecated
		public static NfcAdapter getDefaultAdapter() {
		Log.w(TAG, "WARNING: NfcAdapter.getDefaultAdapter() is deprecated, use " +
		"NfcAdapter.getDefaultAdapter(Context) instead", new Exception());
		return getSingleton();

		return NfcAdapter.getNfcAdapter(null);
		}

		NfcAdapter(Context context) {
		mContext = context;
		mNfcActivityManager = new NfcActivityManager(this);
		}

		/**
		* Does not currently need a context.
		* @hide
		*/
		NfcAdapter() {
		mNfcActivityManager = new NfcActivityManager(this);
		public Context getContext() {
		return mContext;
		}

		/**
		@@ -875,8 +901,12 @@ public final class NfcAdapter {
		* @hide
		*/
		public INfcAdapterExtras getNfcAdapterExtrasInterface() {
		if (mContext == null) {
		throw new UnsupportedOperationException("You need a context on NfcAdapter to use the "
		+ " NFC extras APIs");
		}
		try {
		return sService.getNfcAdapterExtrasInterface();
		return sService.getNfcAdapterExtrasInterface(mContext.getPackageName());
		} catch (RemoteException e) {
		attemptDeadServiceRecovery(e);
		return null;

core/java/android/nfc/NfcManager.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -39,8 +39,9 @@ public final class NfcManager {
		*/
		public NfcManager(Context context) {
		NfcAdapter adapter;
		context = context.getApplicationContext();
		try {
		adapter = NfcAdapter.getSingleton();
		adapter = NfcAdapter.getNfcAdapter(context);
		} catch (UnsupportedOperationException e) {
		adapter = null;
		}

nfc-extras/java/com/android/nfc_extras/NfcAdapterExtras.java

+37 −32

Original line number	Diff line number	Diff line
		@@ -16,8 +16,7 @@

		package com.android.nfc_extras;

		import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		import android.content.Context;
		import android.nfc.INfcAdapterExtras;
		import android.nfc.NfcAdapter;
		import android.os.RemoteException;
		@@ -60,10 +59,14 @@ public final class NfcAdapterExtras {
		// best effort recovery
		private static NfcAdapter sAdapter;
		private static INfcAdapterExtras sService;
		private static NfcAdapterExtras sSingleton;
		private static NfcExecutionEnvironment sEmbeddedEe;
		private static CardEmulationRoute sRouteOff;
		private static CardEmulationRoute sRouteOnWhenScreenOn;
		private static final CardEmulationRoute ROUTE_OFF =
		new CardEmulationRoute(CardEmulationRoute.ROUTE_OFF, null);

		private final NfcExecutionEnvironment mEmbeddedEe;
		private final CardEmulationRoute mRouteOnWhenScreenOn;

		final Context mContext;
		final String mPackageName;

		/** get service handles */
		private static void initService() {
		@@ -84,31 +87,35 @@ public final class NfcAdapterExtras {
		* @return the {@link NfcAdapterExtras} object for the given {@link NfcAdapter}
		*/
		public static NfcAdapterExtras get(NfcAdapter adapter) {
		Context context = adapter.getContext();
		if (context == null) {
		throw new UnsupportedOperationException(
		"You must pass a context to your NfcAdapter to use the NFC extras APIs");
		}

		synchronized (NfcAdapterExtras.class) {
		if (sSingleton == null) {
		if (sService == null) {
		try {
		sAdapter = adapter;
		sSingleton = new NfcAdapterExtras();
		sEmbeddedEe = new NfcExecutionEnvironment(sSingleton);
		sRouteOff = new CardEmulationRoute(CardEmulationRoute.ROUTE_OFF, null);
		sRouteOnWhenScreenOn = new CardEmulationRoute(
		CardEmulationRoute.ROUTE_ON_WHEN_SCREEN_ON, sEmbeddedEe);
		initService();
		} finally {
		if (sService == null) {
		sRouteOnWhenScreenOn = null;
		sRouteOff = null;
		sEmbeddedEe = null;
		sSingleton = null;
		sAdapter = null;
		}
		}
		}
		return sSingleton;
		}

		return new NfcAdapterExtras(context);
		}

		private NfcAdapterExtras() {}
		private NfcAdapterExtras(Context context) {
		mContext = context.getApplicationContext();
		mPackageName = context.getPackageName();
		mEmbeddedEe = new NfcExecutionEnvironment(this);
		mRouteOnWhenScreenOn = new CardEmulationRoute(CardEmulationRoute.ROUTE_ON_WHEN_SCREEN_ON,
		mEmbeddedEe);
		}

		/**
		* Immutable data class that describes a card emulation route.
		@@ -166,18 +173,16 @@ public final class NfcAdapterExtras {
		*
		* <p class="note">
		* Requires the {@link android.Manifest.permission#WRITE_SECURE_SETTINGS} permission.
		*
		* @return
		*/
		public CardEmulationRoute getCardEmulationRoute() {
		try {
		int route = sService.getCardEmulationRoute();
		int route = sService.getCardEmulationRoute(mPackageName);
		return route == CardEmulationRoute.ROUTE_OFF ?
		sRouteOff :
		sRouteOnWhenScreenOn;
		ROUTE_OFF :
		mRouteOnWhenScreenOn;
		} catch (RemoteException e) {
		attemptDeadServiceRecovery(e);
		return sRouteOff;
		return ROUTE_OFF;
		}
		}

		@@ -189,11 +194,11 @@ public final class NfcAdapterExtras {
		* <p class="note">
		* Requires the {@link android.Manifest.permission#WRITE_SECURE_SETTINGS} permission.
		*
		* @param route a {@link #CardEmulationRoute}
		* @param route a {@link CardEmulationRoute}
		*/
		public void setCardEmulationRoute(CardEmulationRoute route) {
		try {
		sService.setCardEmulationRoute(route.route);
		sService.setCardEmulationRoute(mPackageName, route.route);
		} catch (RemoteException e) {
		attemptDeadServiceRecovery(e);
		}
		@@ -201,7 +206,7 @@ public final class NfcAdapterExtras {

		/**
		* Get the {@link NfcExecutionEnvironment} that is embedded with the
		* {@link NFcAdapter}.
		* {@link NfcAdapter}.
		*
		* <p class="note">
		* Requires the {@link android.Manifest.permission#WRITE_SECURE_SETTINGS} permission.
		@@ -209,7 +214,7 @@ public final class NfcAdapterExtras {
		* @return a {@link NfcExecutionEnvironment}, or null if there is no embedded NFC-EE
		*/
		public NfcExecutionEnvironment getEmbeddedExecutionEnvironment() {
		return sEmbeddedEe;
		return mEmbeddedEe;
		}

		/**
		@@ -218,12 +223,12 @@ public final class NfcAdapterExtras {
		* Some implementations of NFC Adapter Extras may require applications
		* to authenticate with a token, before using other methods.
		*
		* @param a implementation specific token
		* @throws a {@link java.lang.SecurityException} if authentication failed
		* @param token a implementation specific token
		* @throws java.lang.SecurityException if authentication failed
		*/
		public void authenticate(byte[] token) {
		try {
		sService.authenticate(token);
		sService.authenticate(mPackageName, token);
		} catch (RemoteException e) {
		attemptDeadServiceRecovery(e);
		}