diff --git a/app/src/main/res/layout/activity_demo_kamera2_nebenaktivitaet.xml b/app/src/main/res/layout/activity_demo_kamera2_nebenaktivitaet.xml
new file mode 100644
index 0000000..acda26d
--- /dev/null
+++ b/app/src/main/res/layout/activity_demo_kamera2_nebenaktivitaet.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".KameraAktivitaet">
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:id="@+id/erklaerung">
+        <androidx.camera.view.PreviewView
+            android:id="@+id/previewView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"/>
+    </FrameLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/alarm"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:text="" />
+
+        <TextView
+            android:id="@+id/luminanz"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:layout_gravity="center"
+            android:gravity="center"
+            android:textSize="100sp"
+            android:textColor="#9999ff"/>
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file