Merge branch 'test' of siebenhaarmi76624/MDT5_1_Ueberwachungssystem_G1 into ms

app/build.gradle

@@ -36,13 +36,4 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
-
-    // Required for CameraX
-    def camerax_version = "1.2.2"
-    implementation "androidx.camera:camera-core:${camerax_version}"
-    implementation "androidx.camera:camera-camera2:${camerax_version}"
-    implementation "androidx.camera:camera-lifecycle:${camerax_version}"
-    implementation "androidx.camera:camera-video:${camerax_version}"
-    implementation "androidx.camera:camera-view:${camerax_version}"
-    implementation "androidx.camera:camera-extensions:${camerax_version}"
 }

app/src/main/AndroidManifest.xml

@@ -2,32 +2,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
-<!--    &lt;!&ndash; If your app targets Android 13 (API level 33)-->
-<!--         or higher, you must declare the NEARBY_WIFI_DEVICES permission. &ndash;&gt;-->
-<!--    <uses-permission android:name="android.permission.NEARBY_WIFI_DEVICES"-->
-<!--    &lt;!&ndash; If your app derives location information from Wi-Fi APIs,-->
-<!--         don't include the "usesPermissionFlags" attribute. &ndash;&gt;-->
-<!--        android:usesPermissionFlags="neverForLocation" />-->
-
-    <uses-permission
-        android:required="true"
-        android:name="android.permission.ACCESS_FINE_LOCATION"/>
-    <!-- If any feature in your app relies on precise location information,
-         don't include the "maxSdkVersion" attribute. -->
-    <uses-permission
-        android:required="true"
-        android:name="android.permission.ACCESS_WIFI_STATE"/>
-    <uses-permission
-        android:required="true"
-        android:name="android.permission.CHANGE_WIFI_STATE"/>
-    <uses-permission
-        android:required="true"
-        android:name="android.permission.INTERNET"/>
-
-    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-    <uses-permission android:name="android.permission.INTERNET" />
-
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"

app/src/main/java/com/example/ueberwachungssystem/Detection/DetectionReport.java

@@ -1,36 +0,0 @@
-package com.example.ueberwachungssystem.Detection;
-
-import android.util.Log;
-
-import java.util.Calendar;
-
-/** Detection Report Class */
-public class DetectionReport {
-    public String timeStamp;
-    public String detectionType;
-    public float detectedValue;
-    public String detectorID;
-
-    public DetectionReport(String detectorID, String detectionType, float detectedAmplitude) {
-        this.timeStamp = String.valueOf(Calendar.getInstance().getTime());
-        this.detectionType = detectionType;
-        this.detectedValue = detectedAmplitude;
-        this.detectorID = detectorID;
-    }
-
-
-    /** Get Detection Report in String format */
-    public String toString() {
-        String time = "Time: " + "[" + this.timeStamp + "]";
-        String type = "Type: " + "[" + this.detectionType + "]";
-        String value = "Value: " + "[" + this.detectedValue + "]";
-        String id = "ID: " + "[" + this.detectorID + "]";
-
-        return String.join("\t", time, type, value, id);
-    }
-
-    /** Debug Report */
-    public void log(String tag) {
-        Log.d(tag, this.toString());
-    }
-}

app/src/main/java/com/example/ueberwachungssystem/Detection/Detector.java

@@ -1,38 +0,0 @@
-package com.example.ueberwachungssystem.Detection;
-
-import androidx.annotation.NonNull;
-
-
-abstract public class Detector {
-    private OnDetectionListener listener;
-
-    /** Constructor - takes context of current activity */
-    public Detector() {}
-
-
-    /** On Detection Listener - runs when violation is reported */
-    public interface OnDetectionListener {
-        void onDetection(@NonNull DetectionReport detectionReport);
-    }
-    public void setOnDetectionListener(@NonNull OnDetectionListener listener) {
-        this.listener = listener;
-    }
-
-
-    /** Triggers onDetectionListener - call this to trigger violation/alarm */
-    public void reportViolation(String detectorID, String detectionType, float amplitude) {
-        if (listener != null) {
-            DetectionReport detectionReport = new DetectionReport(detectorID, detectionType, amplitude);
-            listener.onDetection(detectionReport);
-        } else {
-            throw new IllegalStateException("No listener set for violation reporting");
-        }
-    }
-
-
-    /** Starts Detection (abstract method: needs to be overridden in child class) */
-    public abstract void startDetection();
-
-    /** Stops Detection (abstract method: needs to be overridden in child class) */
-    public abstract void stopDetection();
-}

app/src/main/java/com/example/ueberwachungssystem/Detection/VideoDetector.java

@@ -1,196 +0,0 @@
-package com.example.ueberwachungssystem.Detection;
-
-import android.content.Context;
-import android.graphics.ImageFormat;
-import android.media.Image;
-import android.util.Size;
-
-import androidx.annotation.NonNull;
-import androidx.camera.core.CameraSelector;
-import androidx.camera.core.ExperimentalGetImage;
-import androidx.camera.core.ImageAnalysis;
-import androidx.camera.core.Preview;
-import androidx.camera.lifecycle.ProcessCameraProvider;
-import androidx.camera.view.PreviewView;
-import androidx.core.content.ContextCompat;
-import androidx.lifecycle.LifecycleOwner;
-
-import com.google.common.util.concurrent.ListenableFuture;
-
-import java.nio.ByteBuffer;
-import java.util.concurrent.ExecutionException;
-
-
-/**
- * Video Detector inherits some methods from abstract Detector class (more info there)
- *
- *
- * USE FROM MAIN ACTIVITY:
- *
- * VideoDetector vd = new VideoDetector(this);
- * vd.setPreview(previewView);  //THIS IS OPTIONAL!
- * vd.setOnDetectionListener(new Detector.OnDetectionListener{...});
- * vd.startDetection();
- * vd.stopDetection
- *
- * */
-
-
-@ExperimentalGetImage
-public class VideoDetector extends Detector {
-
-    // Calling Activity
-    private final Context context;
-    // Camera Provider
-    private ProcessCameraProvider cameraProvider;
-    private Boolean isDetectionRunning = false;
-    // Preview Camera Image
-    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 = 0.2f;   // Percent of pixels changed
-    private ByteBuffer previousBuffer = null;
-
-
-
-    /**
-     * Constructor
-     * @param context: the context of calling activity (usually "this")
-     * */
-    public VideoDetector(Context context) {
-        super();
-        this.context = context;
-    }
-
-
-    /**
-     *  Starts the Video Detection
-     * */
-    @Override
-    public void startDetection() {
-        if (isDetectionRunning)
-            return;
-        // Request Camera Provider
-        final ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(context);
-        //Check for Camera availability
-        cameraProviderFuture.addListener(() -> {
-            try {
-                cameraProvider = cameraProviderFuture.get();
-                bindAnalysis(cameraProvider);
-                isDetectionRunning = true;
-                previousBuffer = null;
-            } catch (ExecutionException | InterruptedException e) {
-                // No errors need to be handled for this Future. This should never be reached.
-            }
-        },ContextCompat.getMainExecutor(context));
-    }
-
-
-    /**
-     * Stops the Video Detection
-     * */
-    @Override
-    public void stopDetection() {
-        if (!isDetectionRunning)
-            return;
-        cameraProvider.unbindAll();
-        isDetectionRunning = false;
-    }
-
-
-    /**
-     * Set PreviewView to show video feed while detecting
-     * this is optional and does not need to be called
-     * */
-    public void setPreviewView(PreviewView previewView) {
-        this.previewView = previewView;
-    }
-
-
-    /**
-     * Binds the Luminosity Analyzer (configure and run Analysis)
-     * @param cameraProvider: CameraProvider of Context passed by Constructor
-     * */
-    private void bindAnalysis(@NonNull ProcessCameraProvider cameraProvider) {
-        // Configure and create Image Analysis
-        ImageAnalysis.Builder builder = new ImageAnalysis.Builder();
-        builder.setTargetResolution(new Size(640, 480));
-        builder.setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST);
-        builder.setOutputImageFormat(ImageAnalysis.OUTPUT_IMAGE_FORMAT_YUV_420_888);
-        ImageAnalysis imageAnalysis = builder.build();
-
-        // Set Analyzer
-        imageAnalysis.setAnalyzer(ContextCompat.getMainExecutor(context), imageProxy -> {
-            if (imageProxy.getFormat() == ImageFormat.YUV_420_888) {
-                Image image = imageProxy.getImage();
-                assert image != null;
-
-                // Changed Pixel Detection
-                int pixelChanged = getChangedPixelCount(image);
-                int width = image.getWidth();
-                int height = image.getHeight();
-
-                float percentPixelChanged = (float) 100f * pixelChanged / (width * height);
-
-                if (percentPixelChanged > ALARM_THRESHOLD)
-                    reportViolation("0", "Video", percentPixelChanged);
-            }
-            imageProxy.close();
-        });
-        // Create Preview
-        Preview preview = new Preview.Builder().build();
-        // Specify which Camera to use
-        CameraSelector cameraSelector = new CameraSelector.Builder().requireLensFacing(CameraSelector.LENS_FACING_BACK).build();
-        // Update PreviewView if set
-        if (previewView != null)
-            preview.setSurfaceProvider(previewView.getSurfaceProvider());
-
-        cameraProvider.bindToLifecycle((LifecycleOwner) context, cameraSelector, imageAnalysis, preview);
-    }
-
-
-
-    /**
-     * Calculate Amount of Pixels changed using a threshold
-     * @param image
-     * */
-    private int getChangedPixelCount(Image image) {
-        Image.Plane[] planes = image.getPlanes();
-        ByteBuffer buffer = planes[0].getBuffer();
-
-        if (previousBuffer == null) {
-            previousBuffer = ByteBuffer.allocate(buffer.capacity());
-            buffer.rewind();
-            previousBuffer.put(buffer);
-            previousBuffer.rewind();
-            return 0;
-        }
-
-        int width = image.getWidth();
-        int height = image.getHeight();
-
-        int yRowStride = image.getPlanes()[0].getRowStride();
-        int yPixelStride = image.getPlanes()[0].getPixelStride();
-
-        int changedPixelCount = 0;
-
-        // Count changed pixels
-        for (int y = 0; y < height; ++y) {
-            for (int x = 0; x < width; x++) {
-                int index = (y * yRowStride) + (x * yPixelStride);
-                int luminosity = (buffer.get(index) & 0xff);
-                int previousLuminosity = (previousBuffer.get(index) & 0xff);
-                int diff = Math.abs(luminosity - previousLuminosity);
-                if (diff > PIXEL_THRESHOLD)
-                    changedPixelCount++;
-            }
-        }
-
-        // Reset and copy Byte Buffer
-        buffer.rewind();
-        previousBuffer.rewind();
-        previousBuffer.put(buffer);
-
-        return changedPixelCount;
-    }
-}

app/src/main/java/com/example/ueberwachungssystem/Logger/Logger.java

@@ -1,44 +0,0 @@
-package com.example.ueberwachungssystem.Logger;
-
-import android.util.Log;
-import android.widget.TextView;
-
-import java.io.PrintWriter;
-import java.io.StringWriter;
-
-public class Logger {
-    private TextView textView;
-    private StringBuffer sb = new StringBuffer();
-    private String tag;
-
-    public Logger(String tag, TextView textView, String logInitText)  {
-        this.tag = tag;
-        this.textView = textView;
-        sb.append(logInitText);
-    }
-
-    public void log(String s)  {
-        Log.d(tag, s);
-        sb.append(s).append("\n");
-        if (textView != null) {
-            textView.setText(sb.toString());
-        }
-    }
-
-    public void log(Exception e)  {
-        StringWriter sw = new StringWriter();
-        e.printStackTrace(new PrintWriter(sw));
-        log(sw.toString());
-    }
-
-    public void clearLog()  {
-        sb.setLength(0);
-        if (textView != null) {
-            textView.setText("");
-        }
-    }
-
-    public String getLoggedText()  {
-        return sb.toString();
-    }
-}

app/src/main/java/com/example/ueberwachungssystem/MainActivity.java

@@ -1,220 +1,15 @@
 package com.example.ueberwachungssystem;
 
-import androidx.annotation.NonNull;
-import androidx.camera.core.ExperimentalGetImage;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentTransaction;
 import androidx.appcompat.app.AppCompatActivity;
 
 import android.os.Bundle;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.ScrollView;
-import android.widget.TextView;
-import android.widget.ToggleButton;
 
-import com.example.ueberwachungssystem.Detection.DetectionReport;
-import com.example.ueberwachungssystem.Detection.Detector;
-import com.example.ueberwachungssystem.Detection.VideoDetector;
-import org.w3c.dom.Text;
-
-@ExperimentalGetImage
-public class MainActivity extends AppCompatActivity implements View.OnClickListener {
-    private Fragment aktuellesFragment;
-    WifiCommunication communication;
-    private TextView alarm;
-    private String text = "Das ist ein Alarm des Sensors";
-    //Buttons
-    private ToggleButton toggleKamera;
-    private ToggleButton btnAudio;
-    private ToggleButton btnBewegung;
-    //Detektoren
-    VideoDetector vd = new VideoDetector(this);
-    private void log(String nachricht) {
-        Log.d(this.getClass().getSimpleName(), nachricht);
-    }
+public class MainActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setTitle(this.getClass().getSimpleName());
         setContentView(R.layout.activity_main);
-        alarm = findViewById(R.id.Alarm);
-        alarm.setText(text);
-        toggleKamera = findViewById(R.id.toggleKamera);
-        toggleKamera.setOnClickListener(this);
-        vd.setOnDetectionListener(new Detector.OnDetectionListener() {
-            @Override
-            public void onDetection(@NonNull DetectionReport detectionReport) {
-                DetectionReport dr = detectionReport;
-                String drString = dr.toString();
-            }
-        });
-
-        //boolean isRunning = vd.isRunning();
-
-    }
-    @Override
-    public void onClick(View v) {
-        if (v == toggleKamera) {
-            if (toggleKamera.isChecked()) {
-                vd.startDetection();
-            } else {
-                vd.stopDetection();
-            }
-        }
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        communication.stopCommunication();
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-        communication = new WifiCommunication(MainActivity.this, 1234);
-    }
-
-    public void onClickZeigeFragment1(View view) {
-        Button button = (Button) view;
-        log(button.getText() + " ausgewählt");
-        zeigeFragment(Fragment1.erstellen("Fragment 1 wurde angeklickt"));
-    }
-    public void onClickZeigeFragment2(View view) {
-        Button button = (Button) view;
-        log(button.getText() + " ausgewählt");
-        zeigeFragment(Fragment2.erstellen("Fragment 2 wurde angeklickt"));
-    }
-
-    public void onClickZeigeFragment3(View view) {
-        Button button = (Button) view;
-        log(button.getText() + " ausgewählt");
-        zeigeFragment(Fragment3.erstellen("Fragment 3 wurde angeklickt"));
-    }
-
-    public void onClickEntferneFragment(View view) {
-        entferneFragment();
-    }
-    private void zeigeFragment(Fragment fragment) {
-        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
-        ft.replace(R.id.frame, fragment);
-        ft.commit();
-        aktuellesFragment = fragment;
-    }
-    private void entferneFragment() {
-        if (aktuellesFragment != null) {
-            FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
-            ft.remove(aktuellesFragment);
-            ft.commit();
-            aktuellesFragment = null ;
-        }
-    }
-    public static class Fragment1 extends Fragment {
-        private String text;
-        private final static String KEY_TEXT = "KEY_TEXT";
-
-        private void log(String nachricht) {
-            Log.d(this.getClass().getSimpleName(), nachricht);
-        }
-
-        @Override
-        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) {
-            log("onCreateView");
-            View view = inflater.inflate(R.layout.fragment1, container, false);
-            TextView Sensor = (TextView) view.findViewById(R.id.Sensor);
-            Sensor.setText(text);
-            return view;
-        }
-        public static Fragment1 erstellen(String text) {
-            Fragment1 fragment = new Fragment1();
-            Bundle b = new Bundle();
-            b.putString(KEY_TEXT, text);
-            fragment.setArguments(b);
-            return fragment;
-        }
-        @Override
-        public void onCreate(Bundle bundle) {
-            super .onCreate(bundle);
-            Bundle args = getArguments();
-            if (args != null ) {
-                text = args.getString(KEY_TEXT);
-                log("onCreate: text=" + text);
-            } else {
-                log("onCreate");
-            }
-        }
-    }
-    public static class Fragment2 extends Fragment {
-        private String text;
-        private final static String KEY_TEXT = "KEY_TEXT" ;
-        private void log(String nachricht) {
-            Log.d(this.getClass().getSimpleName(), nachricht);
-        }
-        @Override
-        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) {
-            log( "onCreateView" );
-            View view = inflater.inflate(R.layout.fragment2, container, false );
-            TextView Sensor = (TextView) view.findViewById(R.id.Sensor);
-            Sensor.setText(text);
-            return view;
-        }
-        public static Fragment2 erstellen(String text) {
-            Fragment2 fragment = new Fragment2();
-            Bundle b = new Bundle();
-            b.putString(KEY_TEXT, text);
-            fragment.setArguments(b);
-            return fragment;
-        }
-        @Override
-        public void onCreate(Bundle bundle) {
-            super.onCreate(bundle);
-            Bundle args = getArguments();
-            if (args != null) {
-                text = args.getString(KEY_TEXT);
-                log("onCreate: text=" + text);
-            } else {
-                log("onCreate");
-            }
-        }
-    }
-
-    public static class Fragment3 extends Fragment {
-        private String text;
-        private final static String KEY_TEXT = "KEY_TEXT" ;
-        private void log(String nachricht) {
-            Log.d(this.getClass().getSimpleName(), nachricht);
-        }
-        @Override
-        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) {
-            log( "onCreateView" );
-            View view = inflater.inflate(R.layout.fragment2, container, false );
-            TextView Sensor = (TextView) view.findViewById(R.id.Sensor);
-            Sensor.setText(text);
-            return view;
-        }
-        public static Fragment3 erstellen(String text) {
-            Fragment3 fragment = new Fragment3();
-            Bundle b = new Bundle();
-            b.putString(KEY_TEXT, text);
-            fragment.setArguments(b);
-            return fragment;
-        }
-        @Override
-        public void onCreate(Bundle bundle) {
-            super.onCreate(bundle);
-            Bundle args = getArguments();
-            if (args != null) {
-                text = args.getString(KEY_TEXT);
-                log("onCreate: text=" + text);
-            } else {
-                log("onCreate");
-            }
-        }
+        //
     }
 }

app/src/main/java/com/example/ueberwachungssystem/WifiCommunication.java

@@ -1,131 +0,0 @@
-package com.example.ueberwachungssystem;
-import android.annotation.SuppressLint;
-
-import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
-import java.net.Inet4Address;
-import java.net.InetAddress;
-import java.net.NetworkInterface;
-import java.net.SocketException;
-import java.net.UnknownHostException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.Enumeration;
-
-public class WifiCommunication {
-    private final MainActivity mainActivity;
-    private final InetAddress address;
-    private final int port;
-
-    private String messageToSend;
-    volatile private boolean send;
-    private final DatagramSocket socket;
-    volatile private boolean running;
-    @SuppressLint("SetTextI18n")
-    public WifiCommunication(MainActivity mainActivity, int port) {
-        this.mainActivity = mainActivity;
-        this.port = port;
-        try {
-            socket = new DatagramSocket(this.port);
-            socket.setBroadcast(true);
-            address = InetAddress.getByName("255.255.255.255"); //100.82.255.255
-            running = true;
-            send = false;
-            new ReceiveThread().start();
-            new SendThread().start();
-        } catch (SocketException | UnknownHostException e) {
-            throw new RuntimeException(e);
-        }
-        //mainActivity.runOnUiThread(() -> mainActivity.tvMessages.setText("Communication running"));
-    }
-    private class ReceiveThread extends Thread {
-        private StringBuffer rxStringBuffer = new StringBuffer();
-        private String rxString="";
-        private String previousRxString = "";
-
-        @Override
-        public void run() {
-            try {
-                do {
-                    byte[] receiveData = new byte[512];
-                    InetAddress fromAdress;
-                    int fromPort;
-                    DatagramPacket rxPacket = new DatagramPacket(receiveData, receiveData.length);
-                    socket.receive(rxPacket);
-                    fromAdress = rxPacket.getAddress();
-                    fromPort = rxPacket.getPort();
-                    rxString = new String(rxPacket.getData());
-                    if(!previousRxString.equals(rxString)) {
-                        rxStringBuffer.append(rxString).append("\n");
-                        //mainActivity.runOnUiThread(() -> mainActivity.tvMessages.setText(rxStringBuffer));
-                        previousRxString = rxString;
-                    }
-
-
-                } while (running);
-            }
-            catch (IOException e) {
-                e.printStackTrace();
-            }
-        }
-    }
-    private class SendThread extends Thread {
-        private int tmpCnt = 0;
-        @Override
-        public void run() {
-            try {
-                do {
-                    if(send)
-                    {
-                        send = false;
-                        SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
-                        Date curDate = new Date(System.currentTimeMillis());
-                        String str = formatter.format(curDate);
-                        byte[] send_Data = new byte[512];
-                        String txString = (str+ ",Gruppe2," + getLocalIpAddress() + ",An,Video," +messageToSend);
-                        send_Data = txString.getBytes();
-
-                        DatagramPacket txPacket = new DatagramPacket(send_Data, txString.length(), address, port);
-
-                        for(int i = 0; i < 500; i++) {
-                            socket.send(txPacket);
-                            /*try{
-                                sleep(10);
-                            }catch (InterruptedException e){
-                                e.printStackTrace();
-                            }*/
-                        }
-                    }
-                } while (running);
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-        }
-    }
-    public static String getLocalIpAddress() {
-        try {
-            for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
-                NetworkInterface networkInterface = (NetworkInterface) ((Enumeration<?>) en).nextElement();
-                for (Enumeration<InetAddress> addresses = networkInterface.getInetAddresses(); addresses.hasMoreElements();) {
-                    InetAddress inetAddress = addresses.nextElement();
-                    if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
-                        return inetAddress.getHostAddress();
-                    }
-                }
-            }
-        } catch (SocketException ex) {
-            ex.printStackTrace();
-        }
-        return null;
-    }
-
-    public void sendTrue(String message){
-        send = true;
-        messageToSend = message;
-    }
-    public void stopCommunication() {
-        running = false;
-        socket.close();
-    }
-}

app/src/main/res/layout-land/activity_main_land.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-</LinearLayout>

app/src/main/res/layout/activity_main.xml

@@ -1,123 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout 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:background="@android:color/holo_green_dark"
-    android:visibility="visible"
-    tools:context="com.example.ueberwachungssystem.MainActivity"
-    tools:visibility="visible">
+    tools:context=".MainActivity">
 
-    <ToggleButton
-        android:id="@+id/toggleKamera"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignBottom="@id/toggleAudio"
-        android:layout_marginRight="15dp"
-        android:layout_toStartOf="@+id/toggleAudio"
-        android:layout_toLeftOf="@id/toggleAudio"
-        android:text="Kamera" />
-
-    <ToggleButton
-        android:id="@+id/toggleAudio"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
-        android:layout_centerHorizontal="true"
-        android:text="Audio" />
-
-    <ToggleButton
-        android:id="@+id/toggleBewegung"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignBottom="@id/toggleAudio"
-        android:layout_marginLeft="15dp"
-        android:layout_toEndOf="@+id/toggleAudio"
-        android:layout_toRightOf="@id/toggleAudio"
-        android:text="Bewegung" />
-
-    <Button
-        android:id="@+id/btnAudio"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignBottom="@id/btnKamera"
-        android:layout_marginRight="15dp"
-        android:layout_toStartOf="@+id/btnKamera"
-        android:onClick="onClickZeigeFragment1"
-        android:text="Audio" />
-
-    <Button
-        android:id="@+id/btnKamera"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/toggleAudio"
-        android:layout_centerHorizontal="true"
-        android:onClick="onClickZeigeFragment2"
-        android:text="Kamera" />
-
-    <!--
-    <Button
-        android:id="@+id/btnSensorWeg"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_centerHorizontal="true"
-        android:layout_below="@+id/btn1"
-        android:text="Entferne Sensordarstellung"
-        android:onClick="onClickEntferneFragment"/>
-    -->
-    <Button
-        android:id="@+id/btnBewegung"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignBottom="@id/btnKamera"
-        android:layout_marginLeft="15dp"
-        android:layout_toEndOf="@+id/btnKamera"
-        android:layout_toRightOf="@id/btnKamera"
-        android:onClick="onClickZeigeFragment3"
-        android:text="Bewegung" />
-
-    <Button
-        android:id="@+id/btnAufnahme"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@+id/btnKamera"
-        android:layout_toLeftOf="@id/btnKamera"
-        android:layout_marginRight="15dp"
-        android:onClick="onClickEntferneFragment"
-        android:text="Aufnahme" />
-
-    <Button
-        android:id="@+id/btnWiedergabe"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@+id/btnKamera"
-        android:layout_toRightOf="@id/btnKamera"
-        android:layout_marginLeft="15dp"
-        android:onClick="onClickEntferneFragment"
-        android:text="Wiedergabe" />
-
-    <FrameLayout
-        android:id="@+id/frame"
-        android:layout_width="match_parent"
-        android:layout_height="200dp"
-        android:layout_below="@+id/btnAufnahme"
-        android:layout_alignParentStart="true">
-    </FrameLayout>
-
-    <ScrollView
-        android:id= "@+id/scrollView1"
-        android:layout_width= "wrap_content"
-        android:layout_height= "wrap_content"
-        android:layout_below= "@id/frame">
-        <LinearLayout
-            android:layout_width= "match_parent"
-            android:layout_height= "match_parent"
-            android:orientation= "vertical" >
     <TextView
-                android:id= "@+id/Alarm"
-                android:layout_width= "wrap_content"
-                android:layout_height= "wrap_content" />
-        </LinearLayout>
-    </ScrollView>
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 
-</RelativeLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment1.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:gravity="center_horizontal"
-    android:orientation="vertical"
-    android:background="@android:color/holo_green_light">
-
-    <TextView
-        android:id="@+id/Sensor"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textAppearance="?android:attr/textAppearanceLarge"/>
-
-    <TextView
-        android:id="@+id/Alarm"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/Sensor"
-        android:textAppearance="?android:attr/textAppearanceLarge"/>
-
-</RelativeLayout>

app/src/main/res/layout/fragment2.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:gravity="center_horizontal"
-    android:orientation="vertical"
-    android:background="@android:color/holo_blue_light" >
-
-    <TextView
-        android:id="@+id/Sensor"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textAppearance="?android:attr/textAppearanceLarge"/>
-
-    <TextView
-        android:id="@+id/Alarm"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/Sensor"
-        android:textAppearance="?android:attr/textAppearanceLarge"/>
-
-</LinearLayout>

app/src/main/res/layout/fragment3.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:gravity="center_horizontal"
-    android:orientation="vertical"
-    android:background="@android:color/holo_blue_light" >
-
-    <TextView
-        android:id="@+id/Sensor"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textAppearance="?android:attr/textAppearanceLarge"/>
-
-    <TextView
-        android:id="@+id/Alarm"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/Sensor"
-        android:textAppearance="?android:attr/textAppearanceLarge"/>
-
-</LinearLayout>

gradle/wrapper/gradle-wrapper.properties

@@ -1,4 +1,4 @@
-#Thu May 11 15:19:24 CEST 2023
+#Thu May 11 15:04:30 CEST 2023
 distributionBase=GRADLE_USER_HOME
 distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
 distributionPath=wrapper/dists