diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 9e7e286..b29369d 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -19,7 +19,14 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".VoiceActivity"></activity>
+        <activity android:name=".LockActivity"></activity>
+
+        <service
+            android:name=".PlaySoundService"
+            android:enabled="true"
+            android:exported="true" />
+
+        <activity android:name=".VoiceActivity" />
         <!--
              The API key for Google Maps-based APIs is defined as a string resource.
              (See the file "res/values/google_maps_api.xml").