♻️ add hce

Author: underwindfall

app/src/main/AndroidManifest.xml

@@ -4,7 +4,8 @@
           package="com.qifan.nfcbank">
 
     <uses-permission android:name="android.permission.NFC"/>
-
+    <uses-feature android:name="android.hardware.nfc.hce"
+                  android:required="true"/>
     <uses-feature
             android:name="android.hardware.nfc"
             android:required="true"/>
@@ -17,15 +18,18 @@
             android:supportsRtl="true"
             android:theme="@style/AppTheme"
             tools:ignore="AllowBackup,GoogleAppIndexingWarning">
-        <activity
-                android:name=".MainActivity"
-                android:launchMode="singleTop"
-                android:screenOrientation="portrait">
+        <activity android:name=".cardEmulatorActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
 
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+        </activity>
+       <!-- <activity
+                android:name=".MainActivity"
+                android:launchMode="singleTop"
+                android:screenOrientation="portrait">
+
             <intent-filter>
                 <action android:name="android.nfc.action.NDEF_DISCOVERED"/>
 
@@ -43,6 +47,32 @@
                 <data android:mimeType="application/com.qifan.nfcbank"/>
             </intent-filter>
         </activity>
+-->
+        <!--<service
+                android:name=".cardEmulation.MyHostApduService"
+                android:exported="true"
+                android:permission="android.permission.BIND_NFC_SERVICE" >
+            <intent-filter>
+                <action android:name="android.nfc.cardemulation.action.OFF_HOST_APDU_SERVICE"/>
+            </intent-filter>
+            <meta-data android:name="android.nfc.cardemulation.off_host_apdu_service"
+                       android:resource="@xml/apduservice"/>
+        </service>-->
+        <service android:name=".cardEmulation.MyHostApduService"
+                 android:exported="true"
+                 android:enabled="true"
+                 android:permission="android.permission.BIND_NFC_SERVICE">
+
+            <!-- Intent filter indicating that we support card emulation. -->
+            <intent-filter>
+                <action android:name="android.nfc.cardemulation.action.HOST_APDU_SERVICE"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+            <!-- Required XML configuration file, listing the AIDs that we are emulating cards
+                 for. This defines what protocols our card emulation service supports. -->
+            <meta-data android:name="android.nfc.cardemulation.host_apdu_service"
+                       android:resource="@xml/apduservice"/>
+        </service>
     </application>
 
 </manifest>

app/src/main/assets/faketag.json

@@ -0,0 +1,4 @@
+[
+  {"request":"ODBDQTlGN0YwMA==","response":"NjgwMA=="},
+  {"request":"MTIzNDU=","respone":"MTIzNDU="}
+]

app/src/main/java/com/qifan/nfcbank/cardEmulation/IsoDepAdapter.java

@@ -0,0 +1,55 @@
+package com.qifan.nfcbank.cardEmulation;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.TextView;
+
+/**
+ * Created by Qifan on 28/11/2018.
+ */
+public class IsoDepAdapter extends BaseAdapter {
+
+    private LayoutInflater layoutInflater;
+    private List<String> messages = new ArrayList<String>(100);
+    private int messageCounter;
+
+    public IsoDepAdapter(LayoutInflater layoutInflater) {
+        this.layoutInflater = layoutInflater;
+    }
+
+    public void addMessage(String message) {
+        messageCounter++;
+        messages.add("Message [" + messageCounter + "]: " + message);
+        notifyDataSetChanged();
+    }
+
+    @Override
+    public int getCount() {
+        return messages == null ? 0 : messages.size();
+    }
+
+    @Override
+    public Object getItem(int position) {
+        return messages.get(position);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return 0;
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        if (convertView == null) {
+            convertView = layoutInflater.inflate(android.R.layout.simple_list_item_1, parent, false);
+        }
+        TextView view = (TextView)convertView.findViewById(android.R.id.text1);
+        view.setText((CharSequence)getItem(position));
+        return convertView;
+    }
+}

app/src/main/java/com/qifan/nfcbank/cardEmulation/IsoDepTransceiver.java

@@ -0,0 +1,58 @@
+package com.qifan.nfcbank.cardEmulation;
+
+import java.io.IOException;
+
+import android.nfc.tech.IsoDep;
+import android.util.Log;
+
+/**
+ * Created by Qifan on 28/11/2018.
+ */
+public class IsoDepTransceiver implements Runnable {
+
+
+    public interface OnMessageReceived {
+
+        void onMessage(byte[] message);
+
+        void onError(Exception exception);
+    }
+
+    private IsoDep isoDep;
+    private OnMessageReceived onMessageReceived;
+
+    public IsoDepTransceiver(IsoDep isoDep, OnMessageReceived onMessageReceived) {
+        this.isoDep = isoDep;
+        this.onMessageReceived = onMessageReceived;
+    }
+
+    private static final byte[] CLA_INS_P1_P2 = { 0x00, (byte)0xA4, 0x04, 0x00 };
+    private static final byte[] AID_ANDROID = { (byte)0xF0, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
+
+    private byte[] createSelectAidApdu(byte[] aid) {
+        byte[] result = new byte[6 + aid.length];
+        System.arraycopy(CLA_INS_P1_P2, 0, result, 0, CLA_INS_P1_P2.length);
+        result[4] = (byte)aid.length;
+        System.arraycopy(aid, 0, result, 5, aid.length);
+        result[result.length - 1] = 0;
+        return result;
+    }
+
+    @Override
+    public void run() {
+        int messageCounter = 0;
+        try {
+            isoDep.connect();
+            byte[] response = isoDep.transceive(createSelectAidApdu(AID_ANDROID));
+            while (isoDep.isConnected() && !Thread.interrupted()) {
+                String message = "Message from IsoDep " + messageCounter++;
+                response = isoDep.transceive(message.getBytes());
+                onMessageReceived.onMessage(response);
+            }
+            isoDep.close();
+        }
+        catch (IOException e) {
+            onMessageReceived.onError(e);
+        }
+    }
+}