🧱 Add SmartTapHCE service

Lamparter · Jul 14, 2024 · a50b26c · a50b26c
1 parent 388092f
commit a50b26c
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Showing 4 changed files with 41 additions and 2 deletions.
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -13,16 +13,25 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.SmartTap"
         tools:targetApi="31">
+        <service
+            android:name=".SmartTapHCE"
+            android:exported="true"
+            android:permission="android.permission.BIND_NFC_SERVICE">
+            <intent-filter>
+                <action android:name="android.nfc.cardemulation.action.HOST_APDU_SERVICE" />
+            </intent-filter>
+            <meta-data
+                android:name="android.nfc.cardemulation.host_apdu_service"
+                android:resource="@xml/apduservice" />
+        </service>
         <activity
             android:name=".MainActivity"
             android:exported="true"
             android:theme="@style/Theme.SmartTap">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
     </application>
-
 </manifest>
diff --git a/app/src/main/java/dev/riverside/credit/SmartTapHCE.kt b/app/src/main/java/dev/riverside/credit/SmartTapHCE.kt
@@ -0,0 +1,18 @@
+package dev.riverside.credit
+
+import android.nfc.cardemulation.HostApduService
+import android.os.Bundle
+
+class SmartTapHCE : HostApduService() {
+    override fun processCommandApdu(commandApdu: ByteArray, extras: Bundle): ByteArray {
+        // TODO: Handle the APDU command here
+        // (return a response APDU according to the commandApdu received)
+        return byteArrayOf()
+    }
+
+    override fun onDeactivated(reason: Int) {
+        // TODO: Handle deactivation here
+        // (this method will be called whenever the NFC link is deactivated or lost)
+    }
+}
+
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -43,4 +43,6 @@
         libero vel nunc consequat, quis tincidunt nisl eleifend. Cras bibendum enim a justo luctus
         vestibulum. Fusce dictum libero quis erat maximus, vitae volutpat diam dignissim.
     </string>
+    <string name="service_name">Smart Tap</string>
+    <string name="aid_group_description">Lorem Ipsum</string>
 </resources>
diff --git a/app/src/main/res/xml/apduservice.xml b/app/src/main/res/xml/apduservice.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<host-apdu-service xmlns:android="http://schemas.android.com/apk/res/android"
+android:description="@string/service_name"
+android:requireDeviceUnlock="false">
+<aid-group
+    android:description="@string/aid_group_description"
+    android:category="payment">
+    <aid-filter android:name="F0010203040506" />
+</aid-group>
+</host-apdu-service>