diff --git a/app/src/main/java/com/example/ueberwachungssystem/DetectionReport.java b/app/src/main/java/com/example/ueberwachungssystem/Detection/DetectionReport.java
similarity index 95%
rename from app/src/main/java/com/example/ueberwachungssystem/DetectionReport.java
rename to app/src/main/java/com/example/ueberwachungssystem/Detection/DetectionReport.java
index bfcb52c..2dc8cba 100644
--- a/app/src/main/java/com/example/ueberwachungssystem/DetectionReport.java
+++ b/app/src/main/java/com/example/ueberwachungssystem/Detection/DetectionReport.java
@@ -1,4 +1,4 @@
-package com.example.ueberwachungssystem;
+package com.example.ueberwachungssystem.Detection;
 
 import android.util.Log;
 
diff --git a/app/src/main/java/com/example/ueberwachungssystem/Detector.java b/app/src/main/java/com/example/ueberwachungssystem/Detection/Detector.java
similarity index 96%
rename from app/src/main/java/com/example/ueberwachungssystem/Detector.java
rename to app/src/main/java/com/example/ueberwachungssystem/Detection/Detector.java
index 7f00656..0b726a7 100644
--- a/app/src/main/java/com/example/ueberwachungssystem/Detector.java
+++ b/app/src/main/java/com/example/ueberwachungssystem/Detection/Detector.java
@@ -1,4 +1,4 @@
-package com.example.ueberwachungssystem;
+package com.example.ueberwachungssystem.Detection;
 
 import androidx.annotation.NonNull;
 
diff --git a/app/src/main/java/com/example/ueberwachungssystem/VideoDetection/VideoDetector.java b/app/src/main/java/com/example/ueberwachungssystem/Detection/VideoDetector.java
similarity index 96%
rename from app/src/main/java/com/example/ueberwachungssystem/VideoDetection/VideoDetector.java
rename to app/src/main/java/com/example/ueberwachungssystem/Detection/VideoDetector.java
index babb677..a9c2a9d 100644
--- a/app/src/main/java/com/example/ueberwachungssystem/VideoDetection/VideoDetector.java
+++ b/app/src/main/java/com/example/ueberwachungssystem/Detection/VideoDetector.java
@@ -1,4 +1,4 @@
-package com.example.ueberwachungssystem.VideoDetection;
+package com.example.ueberwachungssystem.Detection;
 
 import android.content.Context;
 import android.graphics.ImageFormat;
@@ -15,7 +15,6 @@ import androidx.camera.view.PreviewView;
 import androidx.core.content.ContextCompat;
 import androidx.lifecycle.LifecycleOwner;
 
-import com.example.ueberwachungssystem.Detector;
 import com.google.common.util.concurrent.ListenableFuture;
 
 import java.nio.ByteBuffer;
@@ -33,7 +32,7 @@ public class VideoDetector extends Detector {
     private PreviewView previewView = null;
     // Detect Violation
     private static final float PIXEL_THRESHOLD = 30f;  // Luminosity (brightness channel of YUV_420_888)
-    private static final float ALARM_THRESHOLD = 1f;   // Percent of pixels changed
+    private static final float ALARM_THRESHOLD = 0.2f;   // Percent of pixels changed
     private ByteBuffer previousBuffer = null;
 
 
diff --git a/app/src/main/java/com/example/ueberwachungssystem/MainActivity.java b/app/src/main/java/com/example/ueberwachungssystem/MainActivity.java
index 1173b49..f4fdae7 100644
--- a/app/src/main/java/com/example/ueberwachungssystem/MainActivity.java
+++ b/app/src/main/java/com/example/ueberwachungssystem/MainActivity.java
@@ -1,86 +1,14 @@
 package com.example.ueberwachungssystem;
 
-import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.camera.view.PreviewView;
-import androidx.core.app.ActivityCompat;
-import androidx.core.content.ContextCompat;
-import androidx.camera.core.ExperimentalGetImage;
 
-import android.Manifest;
-import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.view.View;
-import android.widget.TextView;
-import android.widget.Toast;
-import android.widget.ToggleButton;
 
-import com.example.ueberwachungssystem.VideoDetection.VideoDetector;
-
-@ExperimentalGetImage
 public class MainActivity extends AppCompatActivity {
 
-    private static final int CAMERA_PERMISSION_REQUEST_CODE = 101;
-
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-
-        TextView textView = findViewById(R.id.textView);
-        PreviewView previewView = findViewById(R.id.previewView);
-
-
-        VideoDetector vd = new VideoDetector(this);
-        vd.setPreviewView(previewView);
-        vd.setOnDetectionListener(new VideoDetector.OnDetectionListener() {
-            @Override
-            public void onDetection(@NonNull DetectionReport detectionReport) {
-                detectionReport.log("OnDetection");
-                textView.setText(detectionReport.toString());
-            }
-        });
-        //vd.startDetection();
-
-
-        ToggleButton toggleButton = findViewById(R.id.previewButton);
-        toggleButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                getCameraAccess();
-                if (isCameraAccessAllowed() && toggleButton.isChecked())
-                {
-                    vd.startDetection();
-                }
-                else {
-                    vd.stopDetection();
-                    textView.setText("");
-                }
-            }
-        });
-    }
-
-    private boolean isCameraAccessAllowed() {
-        return ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED;
-    }
-
-    private void getCameraAccess() {
-        if (!isCameraAccessAllowed())
-            ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.CAMERA}, CAMERA_PERMISSION_REQUEST_CODE);
-    }
-
-    @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
-
-        if (requestCode == CAMERA_PERMISSION_REQUEST_CODE && grantResults.length > 0) {
-            boolean cameraRights = grantResults[0] == PackageManager.PERMISSION_GRANTED;
-            if (cameraRights) {
-                Toast.makeText(this, "camera permission granted", Toast.LENGTH_LONG).show();
-            } else {
-                Toast.makeText(this, "camera permission denied", Toast.LENGTH_LONG).show();
-            }
-        }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 275c453..17eab17 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,37 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<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"
-    android:layout_gravity="center"
-    android:gravity="center"
-    android:orientation="vertical"
     tools:context=".MainActivity">
 
     <TextView
-        android:id="@+id/textView"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text=""
-        android:textSize="20dp"
+        android:text="Hello World!"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
-
-    <ToggleButton
-        android:id="@+id/previewButton"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="ToggleButton" />
-
-
-    <androidx.camera.view.PreviewView
-        android:id="@+id/previewView"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:backgroundTint="@android:color/black"/>
-
-</LinearLayout>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file