NFC DTA Integration (276f9fe6) · Commits · e / os / android_frameworks_base

Android.mk

+1 −0

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		@@ -243,6 +243,7 @@ LOCAL_SRC_FILES += \
		core/java/android/nfc/INfcCardEmulation.aidl \
		core/java/android/nfc/INfcFCardEmulation.aidl \
		core/java/android/nfc/INfcUnlockHandler.aidl \
		core/java/android/nfc/INfcDta.aidl \
		core/java/android/nfc/ITagRemovedCallback.aidl \
		core/java/android/os/IBatteryPropertiesListener.aidl \
		core/java/android/os/IBatteryPropertiesRegistrar.aidl \

core/java/android/nfc/INfcAdapter.aidl

+2 −1

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ import android.nfc.INfcCardEmulation;
		import android.nfc.INfcFCardEmulation;
		import android.nfc.INfcUnlockHandler;
		import android.nfc.ITagRemovedCallback;
		import android.nfc.INfcDta;
		import android.os.Bundle;

		/**
		@@ -40,7 +41,7 @@ interface INfcAdapter
		INfcCardEmulation getNfcCardEmulationInterface();
		INfcFCardEmulation getNfcFCardEmulationInterface();
		INfcAdapterExtras getNfcAdapterExtrasInterface(in String pkg);

		INfcDta getNfcDtaInterface(in String pkg);
		int getState();
		boolean disable(boolean saveState);
		boolean enable();

core/java/android/nfc/INfcDta.aidl

0 → 100644

+34 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 NXP Semiconductors
		*
		* 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;

		import android.os.Bundle;

		/**
		* {@hide}
		*/
		interface INfcDta {

		void enableDta();
		void disableDta();
		boolean enableServer(String serviceName, int serviceSap, int miu,
		int rwSize,int testCaseId);
		void disableServer();
		boolean enableClient(String serviceName, int miu, int rwSize,
		int testCaseId);
		void disableClient();
		boolean registerMessageService(String msgServiceName);
		}

core/java/android/nfc/NfcAdapter.java

+18 −2

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

		package android.nfc;

		import java.util.HashMap;

		import android.annotation.RequiresPermission;
		import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		@@ -43,6 +41,7 @@ import android.os.ServiceManager;
		import android.util.Log;

		import java.io.IOException;
		import java.util.HashMap;

		/**
		* Represents the local NFC adapter.
		@@ -626,6 +625,23 @@ public final class NfcAdapter {
		return sNfcFCardEmulationService;
		}

		/**
		* Returns the binder interface to the NFC-DTA test interface.
		* @hide
		*/
		public INfcDta getNfcDtaInterface() {
		if (mContext == null) {
		throw new UnsupportedOperationException("You need a context on NfcAdapter to use the "
		+ " NFC extras APIs");
		}
		try {
		return sService.getNfcDtaInterface(mContext.getPackageName());
		} catch (RemoteException e) {
		attemptDeadServiceRecovery(e);
		return null;
		}
		}

		/**
		* NFC service dead - attempt best effort recovery
		* @hide

core/java/android/nfc/dta/NfcDta.java

0 → 100644

+167 −0

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		/*
		* Copyright (C) 2017 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.dta;

		import android.content.Context;
		import android.nfc.INfcDta;
		import android.nfc.NfcAdapter;
		import android.os.RemoteException;
		import android.util.Log;

		import java.util.HashMap;

		/**
		* This class provides the primary API for DTA operations.
		* @hide
		*/
		public final class NfcDta {
		private static final String TAG = "NfcDta";

		private static INfcDta sService;
		private static HashMap<Context, NfcDta> sNfcDtas = new HashMap<Context, NfcDta>();

		private final Context mContext;

		private NfcDta(Context context, INfcDta service) {
		mContext = context.getApplicationContext();
		sService = service;
		}

		/**
		* Helper to get an instance of this class.
		*
		* @param adapter A reference to an NfcAdapter object.
		* @return
		*/
		public static synchronized NfcDta 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();
		}

		NfcDta manager = sNfcDtas.get(context);
		if (manager == null) {
		INfcDta service = adapter.getNfcDtaInterface();
		if (service == null) {
		Log.e(TAG, "This device does not implement the INfcDta interface.");
		throw new UnsupportedOperationException();
		}
		manager = new NfcDta(context, service);
		sNfcDtas.put(context, manager);
		}
		return manager;
		}

		/**
		* Enables DTA mode
		*
		* @return true/false if enabling was successful
		*/
		public boolean enableDta() {
		try {
		sService.enableDta();
		} catch (RemoteException e) {
		return false;
		}
		return true;
		}

		/**
		* Disables DTA mode
		*
		* @return true/false if disabling was successful
		*/
		public boolean disableDta() {
		try {
		sService.disableDta();
		} catch (RemoteException e) {
		return false;
		}
		return true;
		}

		/**
		* Enables Server
		*
		* @return true/false if enabling was successful
		*/
		public boolean enableServer(String serviceName, int serviceSap, int miu,
		int rwSize, int testCaseId) {
		try {
		return sService.enableServer(serviceName, serviceSap, miu, rwSize, testCaseId);
		} catch (RemoteException e) {
		return false;
		}
		}

		/**
		* Disables Server
		*
		* @return true/false if disabling was successful
		*/
		public boolean disableServer() {
		try {
		sService.disableServer();
		} catch (RemoteException e) {
		return false;
		}
		return true;
		}

		/**
		* Enables Client
		*
		* @return true/false if enabling was successful
		*/
		public boolean enableClient(String serviceName, int miu, int rwSize,
		int testCaseId) {
		try {
		return sService.enableClient(serviceName, miu, rwSize, testCaseId);
		} catch (RemoteException e) {
		return false;
		}
		}

		/**
		* Disables client
		*
		* @return true/false if disabling was successful
		*/
		public boolean disableClient() {
		try {
		sService.disableClient();
		} catch (RemoteException e) {
		return false;
		}
		return true;
		}

		/**
		* Registers Message Service
		*
		* @return true/false if registration was successful
		*/
		public boolean registerMessageService(String msgServiceName) {
		try {
		return sService.registerMessageService(msgServiceName);
		} catch (RemoteException e) {
		return false;
		}
		}
		}