use HCE mode of Samsung Accessories for emulation

ACardEmulator/app/app.iml

@@ -90,9 +90,7 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/builds" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/debug" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/animated-vector-drawable/23.2.1/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/23.2.1/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/design/23.2.1/jars" />
@@ -108,14 +106,12 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant-run-support" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/reload-dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/restart-dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/shaders" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/tmp" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/transforms" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
       <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
@@ -127,8 +123,8 @@
     <orderEntry type="library" exported="" name="design-23.2.1" level="project" />
     <orderEntry type="library" exported="" name="jcardsim-3.0.4-SNAPSHOT-android" level="project" />
     <orderEntry type="library" exported="" name="animated-vector-drawable-23.2.1" level="project" />
-    <orderEntry type="library" exported="" name="core-3.2.1" level="project" />
     <orderEntry type="library" exported="" name="support-annotations-23.2.1" level="project" />
+    <orderEntry type="library" exported="" name="core-3.2.1" level="project" />
     <orderEntry type="library" exported="" name="recyclerview-v7-23.2.1" level="project" />
     <orderEntry type="library" exported="" name="accessory-v2.3.2" level="project" />
     <orderEntry type="library" exported="" name="support-vector-drawable-23.2.1" level="project" />

ACardEmulator/app/build.gradle

@@ -53,8 +53,8 @@ dependencies {
     compile 'com.android.support:appcompat-v7:23.0.1'
     compile 'com.android.support:support-v4:23.0.1'
     compile 'com.android.support:design:23.2.1'
-
     compile 'com.journeyapps:zxing-android-embedded:3.2.0@aar'
     compile 'com.google.zxing:core:3.2.1'
-    compile group: 'com.madgag.spongycastle', name: 'core', version: '1.51.0.0'
+    compile 'com.madgag.spongycastle:core:1.51.0.0'
+    compile files('libs/sdk-v1.0.0.jar')
 }

ACardEmulator/app/src/main/AndroidManifest.xml

@@ -7,6 +7,13 @@
     <uses-permission android:name="android.permission.NFC" />
     <uses-feature android:name="android.hardware.nfc.hce" android:required="true" />
     
+    <uses-permission android:name="android.permission.BLUETOOTH" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+    <uses-permission android:name="com.samsung.accessory.permission.ACCESSORY_FRAMEWORK" />
+    <uses-permission android:name="com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY" />
+    <uses-permission android:name="com.samsung.WATCH_APP_TYPE.Companion" />
+    <uses-permission android:name="com.samsung.wmanager.ENABLE_NOTIFICATION" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -37,7 +44,7 @@
             </intent-filter>
         </activity>
 
-        <service android:name=".EmulatorService"
+        <service android:name=".EmulatorHostApduService"
             android:exported="true"
             android:permission="android.permission.BIND_NFC_SERVICE">
             <intent-filter>
@@ -47,6 +54,24 @@
             <meta-data android:name="android.nfc.cardemulation.host_apdu_service"
                 android:resource="@xml/aid_list"/>
         </service>
+
+        <service android:name=".SmartcardProviderService" />
+        <receiver android:name="com.samsung.android.sdk.accessory.RegisterUponInstallReceiver" >
+            <intent-filter>
+                <action android:name="com.samsung.accessory.action.REGISTER_AGENT" />
+            </intent-filter>
+        </receiver>
+        <receiver android:name="com.samsung.android.sdk.accessory.ServiceConnectionIndicationBroadcastReceiver" >
+            <intent-filter>
+                <action android:name="com.samsung.accessory.action.SERVICE_CONNECTION_REQUESTED" />
+            </intent-filter>
+        </receiver>
+        <meta-data
+            android:name="AccessoryServicesLocation"
+            android:value="/res/xml/accessoryservices.xml" />
+        <meta-data
+            android:name="GearAppType"
+            android:value="tpk" />
     </application>
 
 </manifest>

ACardEmulator/app/src/main/java/com/vsmartcard/acardemulator/EmulatorHostApduService.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2015 Frank Morgner
+ *
+ * This file is part of ACardEmulator.
+ *
+ * ACardEmulator is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * ACardEmulator is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * ACardEmulator.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.vsmartcard.acardemulator;
+
+import android.content.Intent;
+import android.nfc.cardemulation.HostApduService;
+import android.os.Bundle;
+import android.support.v4.content.LocalBroadcastManager;
+import android.util.Log;
+
+import com.vsmartcard.acardemulator.emulators.EmulatorSingleton;
+
+public class EmulatorHostApduService extends HostApduService {
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        EmulatorSingleton.createEmulator(this);
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+    }
+
+    @Override
+    public byte[] processCommandApdu(byte[] capdu, Bundle extras) {
+        return EmulatorSingleton.process(this, capdu);
+    }
+
+    @Override
+    public void onDeactivated(int reason) {
+        Intent i = new Intent(EmulatorSingleton.TAG);
+
+        Log.d("", "End transaction");
+        switch (reason) {
+            case DEACTIVATION_LINK_LOSS:
+                i.putExtra(EmulatorSingleton.EXTRA_DESELECT, "link lost");
+                EmulatorSingleton.deactivate();
+                break;
+            case DEACTIVATION_DESELECTED:
+                EmulatorSingleton.deactivate();
+                break;
+        }
+
+        LocalBroadcastManager.getInstance(this).sendBroadcast(i);
+    }
+}

ACardEmulator/app/src/main/java/com/vsmartcard/acardemulator/MainActivity.java

@@ -41,6 +41,8 @@ import android.view.View;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import com.vsmartcard.acardemulator.emulators.EmulatorSingleton;
+
 
 public class MainActivity extends AppCompatActivity {
 
@@ -48,12 +50,12 @@ public class MainActivity extends AppCompatActivity {
     private BroadcastReceiver bReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
-            if (intent.getAction().equals(EmulatorService.TAG)) {
+            if (intent.getAction().equals(EmulatorSingleton.TAG)) {
-                String capdu = intent.getStringExtra(EmulatorService.EXTRA_CAPDU);
+                String capdu = intent.getStringExtra(EmulatorSingleton.EXTRA_CAPDU);
-                String rapdu = intent.getStringExtra(EmulatorService.EXTRA_RAPDU);
+                String rapdu = intent.getStringExtra(EmulatorSingleton.EXTRA_RAPDU);
-                String error = intent.getStringExtra(EmulatorService.EXTRA_ERROR);
+                String error = intent.getStringExtra(EmulatorSingleton.EXTRA_ERROR);
-                String deselect = intent.getStringExtra(EmulatorService.EXTRA_DESELECT);
+                String deselect = intent.getStringExtra(EmulatorSingleton.EXTRA_DESELECT);
-                String install = intent.getStringExtra(EmulatorService.EXTRA_INSTALL);
+                String install = intent.getStringExtra(EmulatorSingleton.EXTRA_INSTALL);
                 if (install != null)
                     textViewVPCDStatus.append(getResources().getString(R.string.status_install) + ":" + install + "\n");
                 if (capdu != null)
@@ -102,7 +104,7 @@ public class MainActivity extends AppCompatActivity {
                 if (emulator != getString(R.string.vicc)) {
                     Snackbar.make(view, "Scheduled re-installation of all applets...", Snackbar.LENGTH_LONG)
                             .setAction("Action", null).show();
-                    EmulatorService.destroySimulator(getApplicationContext());
+                    EmulatorSingleton.destroyEmulator();
                 }
             }
         });
@@ -116,7 +118,7 @@ public class MainActivity extends AppCompatActivity {
 
         LocalBroadcastManager bManager = LocalBroadcastManager.getInstance(this);
         IntentFilter intentFilter = new IntentFilter();
-        intentFilter.addAction(EmulatorService.TAG);
+        intentFilter.addAction(EmulatorSingleton.TAG);
         bManager.registerReceiver(bReceiver, intentFilter);
     }
 

ACardEmulator/app/src/main/java/com/vsmartcard/acardemulator/SettingsActivity.java

@@ -200,6 +200,8 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
                     return true;
                 }
             });
+
+            bindPreferenceSummaryToValue(findPreference("nfc"));
         }
 
         @Override

ACardEmulator/app/src/main/java/com/vsmartcard/acardemulator/SmartcardProviderService.java

@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd. All rights reserved. 
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided that 
+ * the following conditions are met:
+ * 
+ *     * Redistributions of source code must retain the above copyright notice, 
+ *       this list of conditions and the following disclaimer. 
+ *     * Redistributions in binary form must reproduce the above copyright notice, 
+ *       this list of conditions and the following disclaimer in the documentation and/or 
+ *       other materials provided with the distribution. 
+ *     * Neither the name of Samsung Electronics Co., Ltd. nor the names of its contributors may be used to endorse
+ *       or promote products derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.vsmartcard.acardemulator;
+
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+
+import android.content.Intent;
+import android.os.Binder;
+import android.os.Handler;
+import android.os.IBinder;
+import android.widget.Toast;
+import android.util.Log;
+
+import com.samsung.android.sdk.SsdkUnsupportedException;
+import com.samsung.android.sdk.accessory.*;
+import com.vsmartcard.acardemulator.emulators.EmulatorSingleton;
+
+public class SmartcardProviderService extends SAAgent {
+    private static final String TAG = "HelloAccessory(P)";
+    private static final int HELLOACCESSORY_CHANNEL_ID = 104;
+    private static final Class<ServiceConnection> SASOCKET_CLASS = ServiceConnection.class;
+    private final IBinder mBinder = new LocalBinder();
+    private ServiceConnection mConnectionHandler = null;
+    Handler mHandler = new Handler();
+
+    public SmartcardProviderService() {
+        super(TAG, SASOCKET_CLASS);
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        SA mAccessory = new SA();
+        try {
+            mAccessory.initialize(this);
+            EmulatorSingleton.createEmulator(this);
+        } catch (SsdkUnsupportedException e) {
+            // try to handle SsdkUnsupportedException
+            if (processUnsupportedException(e) == true) {
+                EmulatorSingleton.createEmulator(this);
+                return;
+            }
+        } catch (Exception e1) {
+            e1.printStackTrace();
+            /*
+             * Your application can not use Samsung Accessory SDK. Your application should work smoothly
+             * without using this SDK, or you may want to notify user and close your application gracefully
+             * (release resources, stop Service threads, close UI thread, etc.)
+             */
+            stopSelf();
+        }
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return mBinder;
+    }
+
+    @Override
+    protected void onFindPeerAgentsResponse(SAPeerAgent[] peerAgents, int result) {
+        Log.d(TAG, "onFindPeerAgentResponse : result =" + result);
+    }
+
+    @Override
+    protected void onServiceConnectionRequested(SAPeerAgent peerAgent) {
+        if (peerAgent != null) {
+            Toast.makeText(getBaseContext(), "connection accepted", Toast.LENGTH_SHORT).show();
+            acceptServiceConnectionRequest(peerAgent);
+        }
+    }
+
+    @Override
+    protected void onServiceConnectionResponse(SAPeerAgent peerAgent, SASocket socket, int result) {
+        if (result == SAAgent.CONNECTION_SUCCESS) {
+            if (socket != null) {
+                mConnectionHandler = (ServiceConnection) socket;
+            }
+        } else if (result == SAAgent.CONNECTION_ALREADY_EXIST) {
+            Log.e(TAG, "onServiceConnectionResponse, CONNECTION_ALREADY_EXIST");
+        }
+    }
+
+    @Override
+    protected void onAuthenticationResponse(SAPeerAgent peerAgent, SAAuthenticationToken authToken, int error) {
+        /*
+         * The authenticatePeerAgent(peerAgent) API may not be working properly depending on the firmware
+         * version of accessory device. Please refer to another sample application for Security.
+         */
+    }
+
+    @Override
+    protected void onError(SAPeerAgent peerAgent, String errorMessage, int errorCode) {
+        super.onError(peerAgent, errorMessage, errorCode);
+    }
+
+    private boolean processUnsupportedException(SsdkUnsupportedException e) {
+        e.printStackTrace();
+        int errType = e.getType();
+        if (errType == SsdkUnsupportedException.VENDOR_NOT_SUPPORTED
+                || errType == SsdkUnsupportedException.DEVICE_NOT_SUPPORTED) {
+            /*
+             * Your application can not use Samsung Accessory SDK. You application should work smoothly
+             * without using this SDK, or you may want to notify user and close your app gracefully (release
+             * resources, stop Service threads, close UI thread, etc.)
+             */
+            stopSelf();
+        } else if (errType == SsdkUnsupportedException.LIBRARY_NOT_INSTALLED) {
+            Log.e(TAG, "You need to install Samsung Accessory SDK to use this application.");
+        } else if (errType == SsdkUnsupportedException.LIBRARY_UPDATE_IS_REQUIRED) {
+            Log.e(TAG, "You need to update Samsung Accessory SDK to use this application.");
+        } else if (errType == SsdkUnsupportedException.LIBRARY_UPDATE_IS_RECOMMENDED) {
+            Log.e(TAG, "We recommend that you update your Samsung Accessory SDK before using this application.");
+            return false;
+        }
+        return true;
+    }
+
+    public class LocalBinder extends Binder {
+        public SmartcardProviderService getService() {
+            return SmartcardProviderService.this;
+        }
+    }
+
+    public class ServiceConnection extends SASocket {
+        public ServiceConnection() {
+            super(ServiceConnection.class.getName());
+        }
+
+        @Override
+        public void onError(int channelId, String errorMessage, int errorCode) {
+        }
+
+        @Override
+        public void onReceive(int channelId, byte[] data) {
+            if (mConnectionHandler == null) {
+                return;
+            }
+            final byte[] response = EmulatorSingleton.process(getApplicationContext(), data);
+            new Thread(new Runnable() {
+                public void run() {
+                    try {
+                        mConnectionHandler.send(HELLOACCESSORY_CHANNEL_ID, response);
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                }
+            }).start();
+        }
+
+        @Override
+        protected void onServiceConnectionLost(int reason) {
+            mConnectionHandler = null;
+            EmulatorSingleton.deactivate();
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    Toast.makeText(getBaseContext(), "connection lost", Toast.LENGTH_SHORT).show();
+                }
+            });
+        }
+    }
+}

ACardEmulator/app/src/main/java/com/vsmartcard/acardemulator/emulators/EmulatorSingleton.java

@@ -17,28 +17,19 @@
  * ACardEmulator.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-package com.vsmartcard.acardemulator;
+package com.vsmartcard.acardemulator.emulators;
 
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
-import android.nfc.cardemulation.HostApduService;
-import android.os.Bundle;
-import android.os.StrictMode;
 import android.preference.PreferenceManager;
 import android.support.v4.content.LocalBroadcastManager;
 import android.util.Log;
 
-import java.io.IOException;
+import com.vsmartcard.acardemulator.R;
-import java.net.InetAddress;
+import com.vsmartcard.acardemulator.Util;
-import java.net.Socket;
-
-import com.vsmartcard.acardemulator.emulators.Emulator;
-import com.vsmartcard.acardemulator.emulators.JCEmulator;
-import com.vsmartcard.acardemulator.emulators.VICCEmulator;
-
-public class EmulatorService extends HostApduService {
 
+public class EmulatorSingleton {
     public static final String TAG = "com.vsmartcard.acardemulator.EmulatorService";
     public static final String EXTRA_CAPDU = "MSG_CAPDU";
     public static final String EXTRA_RAPDU = "MSG_RAPDU";
@@ -49,22 +40,35 @@ public class EmulatorService extends HostApduService {
     private static Emulator emulator = null;
     private static boolean do_destroy = false;
 
-    @Override
+    private static void destroyEmulatorIfRequested(Context context) {
-    public void onCreate () {
+        if (do_destroy) {
-        super.onCreate();
+            emulator.destroy();
+            emulator = null;
+            do_destroy = false;
+            Intent i = new Intent(TAG);
+            i.putExtra(EXTRA_DESELECT, "Uninstalled all applets.");
+            LocalBroadcastManager.getInstance(context).sendBroadcast(i);
+        }
+    }
+
+    public static void destroyEmulator() {
+        do_destroy = true;
+    }
+
+    public static void createEmulator(Context context) {
         // force reloading applets if requested
-        do_destroy();
+        destroyEmulatorIfRequested(context);
 
         if (emulator == null) {
             Log.d("", "Begin transaction");
-            SharedPreferences SP = PreferenceManager.getDefaultSharedPreferences(this);
+            SharedPreferences SP = PreferenceManager.getDefaultSharedPreferences(context);
             String str_emulator = SP.getString("emulator", "");
-            if (str_emulator.equals(getString(R.string.vicc))) {
+            if (str_emulator.equals(context.getString(R.string.vicc))) {
                 emulator = new VICCEmulator(
                         SP.getString("hostname", VICCEmulator.DEFAULT_HOSTNAME),
                         Integer.parseInt(SP.getString("port", Integer.toString(VICCEmulator.DEFAULT_PORT))));
             } else {
-                emulator = new JCEmulator(this,
+                emulator = new JCEmulator(context,
                         SP.getBoolean("activate_helloworld", false),
                         SP.getBoolean("activate_openpgp", false),
                         SP.getBoolean("activate_oath", false),
@@ -74,55 +78,19 @@ public class EmulatorService extends HostApduService {
         }
     }
 
-    public static void destroySimulator(Context context) {
+    public static byte[] process(Context context, byte[] capdu) {
-        do_destroy = true;
-    }
-
-    private void do_destroy() {
-        if (do_destroy) {
-            emulator.destroy();
-            emulator = null;
-            do_destroy = false;
-            Intent i = new Intent(TAG);
-            i.putExtra(EXTRA_DESELECT, "Uninstalled all applets.");
-            LocalBroadcastManager.getInstance(this).sendBroadcast(i);
-        }
-    }
-
-    @Override
-    public void onDestroy() {
-        do_destroy();
-        super.onDestroy();
-    }
-
-    @Override
-    public byte[] processCommandApdu(byte[] capdu, Bundle extras) {
         byte[] rapdu = emulator.process(capdu);
 
         Intent i = new Intent(TAG);
         i.putExtra(EXTRA_CAPDU, Util.byteArrayToHexString(capdu));
         if (rapdu != null)
             i.putExtra(EXTRA_RAPDU, Util.byteArrayToHexString(rapdu));
-        LocalBroadcastManager.getInstance(this).sendBroadcast(i);
+        LocalBroadcastManager.getInstance(context).sendBroadcast(i);
 
         return rapdu;
     }
 
-    @Override
+    public static void deactivate() {
-    public void onDeactivated(int reason) {
+        emulator.deactivate();
-        Intent i = new Intent(TAG);
-
-        Log.d("", "End transaction");
-        switch (reason) {
-            case DEACTIVATION_LINK_LOSS:
-                i.putExtra(EXTRA_DESELECT, "link lost");
-                emulator.deactivate();
-                break;
-            case DEACTIVATION_DESELECTED:
-                emulator.deactivate();
-                break;
-        }
-
-        LocalBroadcastManager.getInstance(this).sendBroadcast(i);
     }
 }

ACardEmulator/app/src/main/java/com/vsmartcard/acardemulator/emulators/JCEmulator.java

@@ -9,7 +9,6 @@ import com.licel.jcardsim.base.SimulatorRuntime;
 import com.licel.jcardsim.samples.HelloWorldApplet;
 import com.licel.jcardsim.utils.AIDUtil;
 import com.mysmartlogon.gidsApplet.GidsApplet;
-import com.vsmartcard.acardemulator.EmulatorService;
 import com.vsmartcard.acardemulator.R;
 import com.vsmartcard.acardemulator.Util;
 
@@ -100,11 +99,11 @@ public class JCEmulator implements Emulator {
             }
         }
 
-        Intent i = new Intent(EmulatorService.TAG);
+        Intent i = new Intent(EmulatorSingleton.TAG);
         if (!extra_error.isEmpty())
-            i.putExtra(EmulatorService.EXTRA_ERROR, extra_error);
+            i.putExtra(EmulatorSingleton.EXTRA_ERROR, extra_error);
         if (!extra_install.isEmpty())
-            i.putExtra(EmulatorService.EXTRA_INSTALL, extra_install);
+            i.putExtra(EmulatorSingleton.EXTRA_INSTALL, extra_install);
         LocalBroadcastManager.getInstance(context).sendBroadcast(i);
     }
 

ACardEmulator/app/src/main/res/values/strings.xml

@@ -44,6 +44,14 @@
     </string-array>
     <string name="jcardsim">Builtin Java Card Simulator</string>
     <string name="vicc">Remote Virtual Smart Card</string>
+
+    <string-array name="strNFC">
+        <item>@string/nfc</item>
+        <item>@string/gear</item>
+    </string-array>
+    <string name="nfc">Builtin NFC</string>
+    <string name="gear">Samsung Accessory</string>
+
     <string name="vicc_config_info">If you choose the virtual smart card (VICC) as emulator, you need to start the it on your computer with the `--reversed` flag and configure the connection parameters here accordingly.</string>
     <string name="hint_vicc_port">VICC Port</string>
     <string name="hint_vicc_hostname">VICC Hostname</string>

ACardEmulator/app/src/main/res/xml/accessoryservices.xml

@@ -0,0 +1,51 @@
+<!DOCTYPE resources [
+    <!ELEMENT resources (application)>
+    <!ELEMENT application (serviceProfile)+>
+    <!ATTLIST application name CDATA #REQUIRED>
+    <!ELEMENT serviceProfile (supportedTransports, serviceChannel+) >
+    <!ATTLIST application xmlns:android CDATA #IMPLIED>
+    <!ATTLIST serviceProfile xmlns:android CDATA #IMPLIED>
+    <!ATTLIST serviceProfile serviceImpl CDATA #REQUIRED>
+    <!ATTLIST serviceProfile role (PROVIDER | CONSUMER | provider | consumer) #REQUIRED>
+    <!ATTLIST serviceProfile name CDATA #REQUIRED>
+    <!ATTLIST serviceProfile id CDATA #REQUIRED>
+    <!ATTLIST serviceProfile version CDATA #REQUIRED>
+    <!ATTLIST serviceProfile serviceLimit (ANY | ONE_ACCESSORY | ONE_PEERAGENT | any | one_accessory | one_peeragent) #IMPLIED>
+    <!ATTLIST serviceProfile serviceTimeout CDATA #IMPLIED>
+    <!ELEMENT supportedTransports (transport)+>
+    <!ATTLIST supportedTransports xmlns:android CDATA #IMPLIED>
+    <!ELEMENT transport EMPTY>
+    <!ATTLIST transport xmlns:android CDATA #IMPLIED>
+    <!ATTLIST transport type (TRANSPORT_WIFI | TRANSPORT_BT | TRANSPORT_BLE | TRANSPORT_USB |
+        transport_wifi | transport_bt | transport_ble | transport_usb) #REQUIRED>
+    <!ELEMENT serviceChannel EMPTY>
+    <!ATTLIST serviceChannel xmlns:android CDATA #IMPLIED>
+    <!ATTLIST serviceChannel id CDATA #REQUIRED>
+    <!ATTLIST serviceChannel dataRate (LOW | HIGH | low | high) #REQUIRED>
+    <!ATTLIST serviceChannel priority (LOW | MEDIUM | HIGH | low | medium | high) #REQUIRED>
+    <!ATTLIST serviceChannel reliability (ENABLE | DISABLE | enable | disable ) #REQUIRED>
+    ]>
+<resources>
+
+    <application name="HelloAccessoryProvider" >
+        <serviceProfile
+            id="/sample/hello"
+            name="helloaccessory"
+            role="provider"
+            serviceImpl="com.vsmartcard.acardemulator.SmartcardProviderService"
+            version="1.0"
+            serviceLimit="ANY"
+            serviceTimeout="10">
+            <supportedTransports>
+                <transport type="TRANSPORT_BT" />
+                <transport type="TRANSPORT_WIFI" />
+            </supportedTransports>
+            <serviceChannel
+                id="104"
+                dataRate="low"
+                priority="low"
+                reliability= "enable"/>
+        </serviceProfile>
+    </application>
+
+</resources>

ACardEmulator/app/src/main/res/xml/settings.xml

@@ -81,4 +81,11 @@
 
     </PreferenceCategory>
 
+    <ListPreference
+        android:key="nfc"
+        android:title="NFC communication hardware"
+        android:defaultValue="@string/nfc"
+        android:entries="@array/strNFC"
+        android:entryValues="@array/strNFC" />
+
 </PreferenceScreen>