removed Fragment classes from MainActivity

- changed buttons, added fragments

app/build.gradle

@@ -26,6 +26,9 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+    buildFeatures {
+        viewBinding true
+    }
 }
 
 dependencies {
@@ -33,7 +36,25 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.8.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'com.google.android.gms:play-services-nearby:18.0.0'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+
+
+    // OpenCV (from: https://github.com/QuickBirdEng/opencv-android)
+    def opencv_version = "4.5.3.0"
+    implementation "com.quickbirdstudios:opencv:${opencv_version}"
+
+    implementation "androidx.lifecycle:lifecycle-extensions:2.0.0"
+
+
+    // Required for CameraX
+    def camerax_version = "1.2.2"
+    implementation "androidx.camera:camera-core:${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

@@ -2,6 +2,14 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-feature android:name="android.hardware.camera"/>
+    <uses-permission android:name="android.permission.CAMERA"/>
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+
+    <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"
@@ -20,6 +28,7 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+    <service android:name=".Detection.DetectorService"/>
     </application>
 
 </manifest>

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

@@ -1,109 +0,0 @@
-package com.example.ueberwachungssystem.Detection;
-
-import static java.lang.Math.sqrt;
-
-import android.content.Context;
-import android.hardware.Sensor;
-import android.hardware.SensorEvent;
-import android.hardware.SensorEventListener;
-import android.hardware.SensorManager;
-
-
-/**
- * Accelerometer inherits some methods from abstract Detector class (more info there)
- *
- *
- * USE FROM MAIN ACTIVITY:
- *
- * Accelerometer beschleunigungssensor = new Accelerometer(this);
- * onCreate:
- * //Accelerometer Setup
- * beschleunigungssensor = new Accelerometer(this, logger, textViewLog);   //logger and textview only for debugging necessary
- * beschleunigungssensor.getSensor();
- *
- * //Starting Detection:
- * beschleunigungssensor.startDetection();
- * //Stopping Detection: also recommended at onPause to avoid unnecessary battery consumption
- * beschleunigungssensor.stopDetection();
- *
- * */
-
-public class Accelerometer extends Detector implements SensorEventListener {
-
-    public SensorManager sensorManager;
-    private static final int sensorType = Sensor.TYPE_LINEAR_ACCELERATION;
-    private Sensor accelerometer;
-    private Context context;
-    boolean alarm = false;
-    //Preallocate memory for the data of each axis of the acceleration sensor
-    float x;
-    float y;
-    float z;
-    float betrag; //Betrag aller drei Achsen sqrt(x*x + y*y + z*z)
-    private DetectionReport detectionReport;
-
-    // In constructor pass Activity, Context and TextView from MainActivity in Accelerometer class
-    public Accelerometer(Context context){
-        super(context); //von Detektor
-        this.context = context;
-    }
-
-    public void getSensor(){
-        sensorManager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);
-        if(sensorManager.getSensorList(sensorType).size()==0) {
-            accelerometer = null;
-        }
-        else {
-            accelerometer = sensorManager.getSensorList(sensorType).get(0);
-        }
-    }
-
-    @Override
-    public void onSensorChanged(SensorEvent event) {
-        try {
-            checkAlarm(event);
-        } catch (InterruptedException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    public void checkAlarm (SensorEvent event) throws InterruptedException {
-        x = event.values[0];
-        y = event.values[1];
-        z = event.values[2];
-        betrag = (float) sqrt(x*x + y*y + z*z);
-        float threshold = 1.5F;
-
-        if (!alarm) {
-            if (betrag > threshold) {
-                alarm = true;
-                detectionReport = new DetectionReport("Accelerometer1", "Bewegung", betrag);
-                reportViolation("Accelo1", "Bewegung", betrag);
-            }
-        } else {
-            if (betrag < threshold) {
-                alarm = false;
-            } else {
-            }
-        }
-    }
-
-    @Override
-    public void onAccuracyChanged(Sensor sensor, int accuracy) {
-    }
-
-    @Override
-    public void startDetection() {
-        // entspricht void start()
-        //getSensor();
-        if (accelerometer != null) {
-            sensorManager.registerListener(this, accelerometer, SensorManager.SENSOR_DELAY_GAME);
-        }
-    }
-
-    @Override
-    public void stopDetection() {
-        // entspricht void stop()
-        sensorManager.unregisterListener(this, accelerometer);
-    }
-}

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

@@ -1,39 +0,0 @@
-package com.example.ueberwachungssystem.Detection;
-
-import android.content.Context;
-import androidx.annotation.NonNull;
-
-
-abstract public class Detector {
-    private OnDetectionListener listener;
-
-    /** Constructor - takes context of current activity */
-    public Detector(Context context) {};
-
-
-    /** 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/Fragments/Fragment1.java

@@ -0,0 +1,53 @@
+package com.example.ueberwachungssystem.Fragments;
+
+import android.content.Context;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.VideoView;
+
+import androidx.fragment.app.Fragment;
+
+import com.example.ueberwachungssystem.R;
+
+import java.io.File;
+
+public 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.Alarm);
+        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");
+        }
+    }
+}

app/src/main/java/com/example/ueberwachungssystem/Fragments/Fragment2.java

@@ -0,0 +1,66 @@
+package com.example.ueberwachungssystem.Fragments;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import androidx.fragment.app.Fragment;
+
+import com.example.ueberwachungssystem.MeinAdapter;
+import com.example.ueberwachungssystem.R;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.List;
+
+public class Fragment2 extends Fragment {
+    private String text;
+    private Context c;
+    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.Aufzeichnungen);
+//        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();
+        c = getContext();
+        ListView listView = new ListView(c);
+        setContentView(R.layout.fragment2);
+        listView.setAdapter(new MeinAdapter(c, getVideoFiles()));
+        if (args != null) {
+            text = args.getString(KEY_TEXT);
+            log("onCreate: text=" + text);
+        } else {
+            log("onCreate");
+        }
+    }
+    public List<File> getVideoFiles(){
+        File directory = c.getFilesDir();
+        File[] files = directory.listFiles();
+        assert files != null;
+        return Arrays.asList(files);
+    }
+}

app/src/main/java/com/example/ueberwachungssystem/Fragments/Fragment3.java

@@ -0,0 +1,46 @@
+package com.example.ueberwachungssystem.Fragments;
+
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.fragment.app.Fragment;
+
+import com.example.ueberwachungssystem.R;
+
+public 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/Logger/Logger.java

@@ -0,0 +1,44 @@
+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

@@ -1,72 +1,126 @@
 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.text.method.ScrollingMovementMethod;
+import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
 import android.widget.ToggleButton;
 
-import com.example.ueberwachungssystem.Detection.Accelerometer;
+import com.example.ueberwachungssystem.Fragments.Fragment1;
-import com.example.ueberwachungssystem.Detection.DetectionReport;
+import com.example.ueberwachungssystem.Fragments.Fragment2;
-import com.example.ueberwachungssystem.Detection.Detector;
 
+@ExperimentalGetImage
 public class MainActivity extends AppCompatActivity implements View.OnClickListener {
+    //Fragmente
+    private Fragment aktuellesFragment;
+    private Fragment1 fragment1;
+    private Fragment2 fragment2;
 
-    private Accelerometer beschleunigungssensor;
+    //Textviews
-    private TextView textViewLog;
+    private TextView Auswahl;
-    private Button button1;
+    private TextView AoderA;
-    ToggleButton toggleButton1;
+    private String auswahltext = "Wahl des Detektionsmodus";
+    private String auswahlAoderA = "Wahl von Alarmmeldungen oder Auswahl von Alarmaufzeichnungen";
+
+    //Sensoren und Kommunikation
+    WifiCommunication communication;
+    //Buttons
+    private ToggleButton toggleKamera;
+    private ToggleButton toggleAudio;
+    private ToggleButton toggleBewegung;
+
+    //Überprüfungswerte
+    boolean wahr;
+    private void log(String nachricht) {
+        Log.d(this.getClass().getSimpleName(), nachricht);
+    }
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setTitle(this.getClass().getSimpleName());
         setContentView(R.layout.activity_main);
+        Auswahl = findViewById(R.id.textAuswahl);
+        Auswahl.setText(auswahltext);
+        AoderA = findViewById(R.id.textAoderA);
+        AoderA.setText(auswahlAoderA);
+        toggleKamera = findViewById(R.id.toggleKamera);
+        toggleKamera.setOnClickListener(this);
+        toggleAudio = findViewById(R.id.toggleAudio);
+        toggleAudio.setOnClickListener(this);
+        toggleBewegung = findViewById(R.id.toggleBewegung);
+        toggleBewegung.setOnClickListener(this);
 
-
+    }
-        toggleButton1 = findViewById(R.id.toggleButton1); //togglebutton um Detektion zu steuern
+    @Override
-        toggleButton1.setOnClickListener(this);
+    public void onClick(View v) {
-
+        if (v == toggleKamera) {
-        //Button to clear Log while Debugging
+            if (toggleKamera.isChecked()) {
-        button1 = (Button) findViewById(R.id.button1);
+                wahr = true;
-        button1.setOnClickListener(this);
+            } else {
-
+                wahr = false;
-        //Accelerometer Setup
-        beschleunigungssensor = new Accelerometer(this);   //logger and textview only for debugging necessary
-        beschleunigungssensor.getSensor();
-        beschleunigungssensor.setOnDetectionListener(new Detector.OnDetectionListener() {
-            @Override
-            public void onDetection(@NonNull DetectionReport detectionReport) {
-
             }
-        });
+        }
-
+        if (v == toggleAudio) {
+            if (toggleAudio.isChecked()) {
+                wahr = true;
+            } else {
+                wahr = false;
+            }
+        }
+        if (v == toggleBewegung) {
+            if (toggleBewegung.isChecked()) {
+                wahr = true;
+            } else {
+                wahr = false;
+            }
+        }
+    }
+    @Override
+    protected void onPause() {
+        super.onPause();
+        communication.stopCommunication();
     }
 
     @Override
     protected void onResume() {
         super.onResume();
-    }
+        communication = new WifiCommunication(1234);
-    @Override
-    protected void onPause() {
-        super.onPause();
-        beschleunigungssensor.stopDetection();
     }
 
-    @Override
+    public void onClickZeigeFragment1(View view) {
-    public void onClick(View v) {
+        Button button = (Button) view;
-        if(v == toggleButton1) {
+        log(button.getText() + " ausgewählt");
-            if (toggleButton1.isChecked()) {
+        zeigeFragment(fragment1.erstellen("Hier stehen dann die Alarme"));
-                beschleunigungssensor.startDetection();
+    }
 
-            } else {
+    public void onClickZeigeFragment2(View view) {
-                beschleunigungssensor.stopDetection();
+        Button button = (Button) view;
-            }
+        log(button.getText() + " ausgewählt");
-        } else if (v == button1) {
+        zeigeFragment(fragment2.erstellen("Hier stehen dann die Videos"));
+    }
+
+    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 ;
         }
     }
 }

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

@@ -0,0 +1,31 @@
+package com.example.ueberwachungssystem;
+
+import android.content.Context;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+
+import java.io.File;
+import java.util.List;
+
+public class MeinAdapter extends ArrayAdapter<File> {
+    private Context context;
+    private File[] files;
+    public MeinAdapter(Context context, List<File> listf) {
+        super(context, android.R.layout.simple_list_item_1, listf);
+        this.context = context;
+    }
+
+    @Override
+    public View getView(final int pos, View cv, ViewGroup vg) {
+        View v = super.getView(pos, cv, vg);
+        v.setOnClickListener( new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                    Log.d("DerLog","nicht null");
+            }
+        });
+        return v;
+    }
+}

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

@@ -0,0 +1,43 @@
+package com.example.ueberwachungssystem;
+
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.widget.Toast;
+
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+
+public class PermissionHandler {
+    private final Context context;
+    private static final int PERMISSION_REQUEST_CODE = 23409;
+    private static final String[] permissions = new String[]{
+            android.Manifest.permission.CAMERA,
+            android.Manifest.permission.RECORD_AUDIO
+    };
+
+    public PermissionHandler(Context context) {
+        this.context = context;
+    }
+
+    public boolean hasPermissions() {
+        boolean permissionState = true;
+        for (String permission: permissions) {
+            permissionState = permissionState && ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_GRANTED;
+        }
+        return permissionState;
+    }
+
+    public void getPermissions() {
+        if (!hasPermissions())
+            ActivityCompat.requestPermissions((Activity) context, permissions, PERMISSION_REQUEST_CODE);
+    }
+
+    public void showPermissionToast() {
+        if (hasPermissions())
+            Toast.makeText(context, "permissions available", Toast.LENGTH_SHORT).show();
+        else
+            Toast.makeText(context, "permissions missing", Toast.LENGTH_SHORT).show();
+    }
+}

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

@@ -0,0 +1,48 @@
+package com.example.ueberwachungssystem;
+
+import static android.Manifest.permission.INTERNET;
+import static android.Manifest.permission.CAMERA;
+import static android.Manifest.permission.RECORD_AUDIO;
+
+import android.content.pm.PackageManager;
+import android.os.Handler;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.ContextCompat;
+
+public class PermissionRequest extends AppCompatActivity{
+    private static final int PERMISSION_REQUEST_CODE = 123;
+    private final MainActivity mainActivity;
+
+    Handler handler = new Handler();
+
+    public PermissionRequest(MainActivity mainActivity) {
+        this.mainActivity = mainActivity;
+    }
+
+    public StringBuilder rechtePruefen() {
+        boolean rechtKamera = ContextCompat.checkSelfPermission(mainActivity, CAMERA) == PackageManager.PERMISSION_GRANTED;
+        boolean rechtMikrofon = ContextCompat.checkSelfPermission(mainActivity, RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
+        boolean rechtInternet = ContextCompat.checkSelfPermission(mainActivity, INTERNET) == PackageManager.PERMISSION_GRANTED;
+        StringBuilder sb = new StringBuilder();
+        sb.append("Rechte prüfen:")
+                .append("\nKamera: ").append(rechtKamera)
+                .append("\nMikrofon: ").append(rechtMikrofon)
+                .append("\nInternet: ").append(rechtInternet);
+        //mainActivity.runOnUiThread(() -> mainActivity.tvMessages.setText(sb));
+        if (!(rechtKamera && rechtMikrofon && rechtInternet)){
+            handler.post(new Runnable() {
+                @Override
+                public void run() {
+                    Toast.makeText(mainActivity.getApplicationContext(),"Es werden Rechte benötigt", Toast.LENGTH_LONG).show();
+                }
+            });
+        }
+        return sb;
+    }
+
+    public void rechteAnfordern() {
+        mainActivity.requestPermissions(new String[]{CAMERA, RECORD_AUDIO, INTERNET}, PERMISSION_REQUEST_CODE);
+    }
+}

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

@@ -0,0 +1,86 @@
+package com.example.ueberwachungssystem;
+
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.Button;
+import android.widget.LinearLayout;
+import android.widget.PopupWindow;
+import android.widget.TextView;
+
+public class PopUpClass {
+    private final MainActivity mainActivity;
+
+    PermissionRequest permission;
+    TextView PopUpText;
+
+
+    public PopUpClass(MainActivity mainActivity) {
+        this.mainActivity = mainActivity;
+        permission = new PermissionRequest(mainActivity);
+    }
+
+    //PopupWindow display method
+
+    public void showPopupWindow(final View view) {
+
+
+        //Create a View object yourself through inflater
+        LayoutInflater inflater = (LayoutInflater) view.getContext().getSystemService(view.getContext().LAYOUT_INFLATER_SERVICE);
+        View popupView = inflater.inflate(R.layout.popup_window, null);
+
+        //Specify the length and width through constants
+        int width = LinearLayout.LayoutParams.WRAP_CONTENT;
+        int height = LinearLayout.LayoutParams.WRAP_CONTENT;
+
+        //Make Inactive Items Outside Of PopupWindow
+        boolean focusable = true;
+
+        //Create a window with our parameters
+        final PopupWindow popupWindow = new PopupWindow(popupView,width*1, height*1, focusable);
+
+        //Set the location of the window on the screen
+        popupWindow.showAtLocation(view, Gravity.CENTER, 0, 0);
+
+        //Initialize the elements of our window, install the handler
+
+        PopUpText = popupView.findViewById(R.id.titleText);
+
+        Button buttonEdit = popupView.findViewById(R.id.RechteAnfordern);
+        buttonEdit.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                RechteAnfordern();
+            }
+        });
+
+        //Handler for clicking on the inactive zone of the window
+
+        popupView.setOnTouchListener(new View.OnTouchListener() {
+            @Override
+            public boolean onTouch(View v, MotionEvent event) {
+
+                //Close the window when clicked
+                popupWindow.dismiss();
+                return true;
+            }
+        });
+    }
+    public void RechtePrüfen(){
+        StringBuilder Text = permission.rechtePruefen();
+        PopUpText.setText(Text);
+    }
+    public void RechteAnfordern(){
+        permission.rechteAnfordern();
+        StringBuilder Text = permission.rechtePruefen();
+        PopUpText.setText(Text);
+    }
+    public void Sensoren(){
+        PopUpText.setText("Es können 3 verschiedene Sensoren verwendet werden \n -1. Beschleunigungssensor\n -2. Mikrofon\n -3. Kamera");
+    }
+    public void Impressum(){
+        PopUpText.setText("Die Ueberwachungsapp wurde im Rahmen eines Praktikums der TH-Nürnberg programmiert");
+    }
+
+}

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

@@ -0,0 +1,36 @@
+package com.example.ueberwachungssystem;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import java.io.File;
+import java.util.List;
+
+public class VideoListAdapter extends ArrayAdapter<File> {
+
+    public VideoListAdapter(Context context, List<File> videoList) {
+        super(context, 0, videoList);
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        if (convertView == null) {
+            convertView = LayoutInflater.from(getContext()).inflate(R.layout.list_item_video, parent, false);
+        }
+
+        File videoFile = getItem(position);
+
+        ImageView thumbnailImageView = convertView.findViewById(R.id.imageViewThumbnail);
+        TextView titleTextView = convertView.findViewById(R.id.textViewTitle);
+
+        // Set tag to identify the clicked item
+        convertView.setTag(videoFile.getAbsolutePath());
+
+        return convertView;
+    }
+}

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

@@ -0,0 +1,141 @@
+package com.example.ueberwachungssystem;
+import android.annotation.SuppressLint;
+
+import androidx.annotation.NonNull;
+
+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;
+
+    private OnConnectionListener listener;
+    @SuppressLint("SetTextI18n")
+    public WifiCommunication(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);
+        }
+        //Toast.makeText(mainActivity.getApplicationContext(),"Communication running", Toast.LENGTH_SHORT).show();
+        //mainActivity.runOnUiThread(() -> mainActivity.tvMessages.setText("Communication running"));
+    }
+
+    public interface OnConnectionListener {
+        void onConnection(StringBuffer data);
+    }
+    public void setOnConnectionListener(@NonNull OnConnectionListener listener) {
+        this.listener = listener;
+    }
+
+    public void sendWifiData(StringBuffer wifiMessage) {
+        if (listener != null) {
+            listener.onConnection(wifiMessage);
+        }
+    }
+
+    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];
+                    DatagramPacket rxPacket = new DatagramPacket(receiveData, receiveData.length);
+                    socket.receive(rxPacket);
+                    rxString = new String(receiveData, 0, rxPacket.getLength());
+                    String[] splitrxString = rxString.split(",");
+                    if(!previousRxString.equals(rxString) && splitrxString[0].equals("1") && splitrxString.length==7) {
+                        rxStringBuffer.append(rxString).append("\n");
+                        sendWifiData(rxStringBuffer);
+                        //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 = ("1," +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 < 300; i++) {
+                            socket.send(txPacket);
+                        }
+                    }
+                } 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/drawable/toggle_btn.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_checked="false" android:drawable="@color/redbright"  />
+    <item android:state_checked="true" android:drawable="@color/greenbright"  />
+</selector>

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

@@ -0,0 +1,6 @@
+<?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

@@ -1,63 +1,129 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout 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=".MainActivity">
+    android:background="#010C49"
+    android:visibility="visible"
+    tools:context="com.example.ueberwachungssystem.MainActivity"
+    tools:visibility="visible">
 
     <TextView
-        android:id="@+id/textViewLog"
+        android:id="@+id/textAuswahl"
-        android:layout_width="wrap_content"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginStart="32dp"
+        android:layout_alignParentTop="true"
-        android:layout_marginTop="60dp"
+        android:layout_alignParentLeft="true"
-        android:layout_marginEnd="32dp"
+        android:textSize="20sp"
-        android:maxLines="25"
+        android:textColor="@color/white"/>
-        android:scrollbars="vertical"
+
-        android:text="TextViewLoggerMain"
+    <TextView
-        app:layout_constraintBottom_toBottomOf="parent"
+        android:id="@+id/textAoderA"
-        app:layout_constraintEnd_toEndOf="parent"
+        android:layout_width="match_parent"
-        app:layout_constraintStart_toStartOf="parent"
+        android:layout_height="wrap_content"
-        app:layout_constraintTop_toBottomOf="@+id/textViewWorkerThread"
+        android:layout_below="@+id/toggleAudio"
-        app:layout_constraintVertical_bias="0.0" />
+        android:layout_alignParentLeft="true"
+        android:layout_marginTop="15dp"
+        android:textSize="20sp"
+        android:textColor="@color/white"/>
 
     <ToggleButton
-        android:id="@+id/toggleButton1"
+        android:id="@+id/toggleKamera"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginStart="161dp"
+        android:layout_alignBottom="@id/toggleAudio"
-        android:layout_marginTop="115dp"
+        android:layout_marginRight="30dp"
-        android:layout_marginEnd="162dp"
+        android:layout_toLeftOf="@id/toggleAudio"
-        android:text="ToggleButton"
+        android:textColor="@color/yellow"
-        app:layout_constraintEnd_toEndOf="parent"
+        android:textOn="Kamera an"
-        app:layout_constraintStart_toStartOf="parent"
+        android:textOff="Kamera aus"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:background="@drawable/toggle_btn"/>
 
-    <TextView
+    <ToggleButton
-        android:id="@+id/textViewWorkerThread"
+        android:id="@+id/toggleAudio"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginStart="32dp"
+        android:layout_below="@id/textAuswahl"
-        android:layout_marginTop="16dp"
+        android:layout_centerHorizontal="true"
-        android:layout_marginEnd="32dp"
+        android:layout_marginTop="5dp"
-        android:text="textViewWorkerThreadTextView"
+        android:textColor="@color/yellow"
-        app:layout_constraintEnd_toEndOf="parent"
+        android:textOn="Audio an"
-        app:layout_constraintStart_toStartOf="parent"
+        android:textOff="Audio aus"
-        app:layout_constraintTop_toBottomOf="@+id/toggleButton1" />
+        android:background="@drawable/toggle_btn"/>
+
+    <ToggleButton
+        android:id="@+id/toggleBewegung"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignBottom="@id/toggleAudio"
+        android:layout_marginLeft="30dp"
+        android:layout_toEndOf="@+id/toggleAudio"
+        android:layout_toRightOf="@id/toggleAudio"
+        android:textColor="@color/yellow"
+        android:textOn="Bewegung an"
+        android:textOff="Bewegung aus"
+        android:background="@drawable/toggle_btn"/>
 
     <Button
-        android:id="@+id/button1"
+        android:id="@+id/btnAlarme"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginStart="35dp"
+        android:layout_alignBottom="@+id/btnAufnahmen"
-        android:layout_marginTop="31dp"
+        android:layout_toLeftOf="@id/btnAufnahmen"
-        android:layout_marginEnd="282dp"
+        android:layout_marginRight="15dp"
-        android:layout_marginBottom="100dp"
+        android:theme="@style/Button.Green"
-        android:text="Clear Log"
+        android:onClick="onClickZeigeFragment1"
-        app:layout_constraintBottom_toTopOf="@+id/textViewWorkerThread"
+        android:text="Alarme" />
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+    <Button
+        android:id="@+id/btnAufnahmen"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/textAoderA"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="15dp"
+        android:theme="@style/Button.Green"
+        android:onClick="onClickZeigeFragment2"
+        android:text="Aufnahmen" />
+
+    <Button
+        android:id="@+id/btnAnzeigeVerb"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignBottom="@+id/btnAufnahmen"
+        android:layout_toRightOf="@id/btnAufnahmen"
+        android:layout_marginLeft="15dp"
+        android:text="Anzeige verbergen"
+        android:onClick="onClickEntferneFragment"/>
+
+    <FrameLayout
+        android:id="@+id/frame"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@+id/btnAufnahmen"
+        android:layout_marginTop="25dp"
+        android:layout_alignParentStart="true"
+        android:background="@color/white">
+    </FrameLayout>
+
+    <!--
+    <ScrollView
+        android:id="@+id/scrollView1"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@id/btnAufnahmen"
+        android:layout_marginTop="25dp">
+        <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"
+                android:background="@color/red"/>
+        </LinearLayout>
+    </ScrollView>
+    -->
+
+</RelativeLayout>

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

@@ -0,0 +1,26 @@
+<?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="@color/bluedark">
+
+    <ScrollView
+        android:id="@+id/scrollView1"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginTop="25dp">
+        <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"
+                android:textColor="@color/yellow"/>
+        </LinearLayout>
+    </ScrollView>
+
+</RelativeLayout>

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

@@ -0,0 +1,33 @@
+<?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" >
+
+    <ScrollView
+        android:id="@+id/scrollView2"
+        android:layout_width="match_parent"
+        android:layout_height="250dp"
+        android:layout_marginTop="25dp">
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical" >
+            <TextView
+                android:id="@+id/Aufzeichnungen"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textColor="@color/yellow"/>
+        </LinearLayout>
+    </ScrollView>
+
+    <VideoView
+        android:id="@+id/AusAuf"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/scrollView2"
+        android:textAppearance="?android:attr/textAppearanceLarge"/>
+
+</LinearLayout>

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

@@ -0,0 +1,22 @@
+<?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/popup_window.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:paddingLeft="10dp"
+    android:paddingRight="10dp"
+    android:gravity="center"
+    android:background="#A5ACB2">
+
+    <TextView
+        android:id="@+id/titleText"
+        android:layout_gravity="center"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="20sp"
+        android:textStyle="italic"
+        android:padding="10dp"/>
+
+    <Button
+        android:id="@+id/RechteAnfordern"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="Rechte Anfordern" />
+
+
+
+</LinearLayout>

app/src/main/res/menu/options_menu.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+    <item android:id="@+id/Rechteverwaltung"
+        android:title="Rechteverwaltung" />
+    <item android:id="@+id/Sensoren"
+        android:title="Sensoren" />
+    <item android:id="@+id/Impressum"
+        android:title="Impressum" />
+</menu>

app/src/main/res/values/colors.xml

@@ -7,4 +7,9 @@
     <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+    <color name="red">#5C0000</color>
+    <color name="redbright">#EF3434</color>
+    <color name="greenbright">#469733</color>
+    <color name="bluedark">#053C8E</color>
+    <color name="yellow">#FFEB3B</color>
 </resources>

app/src/main/res/values/themes.xml

@@ -13,4 +13,9 @@
         <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
+
+    <style name="Button.Green" parent="ThemeOverlay.AppCompat">
+        <item name="colorAccent">#0F3E01</item>
+    </style>
+
 </resources>

gradle/wrapper/gradle-wrapper.properties

@@ -1,4 +1,4 @@
-#Thu May 11 15:04:30 CEST 2023
+#Thu May 11 15:19:24 CEST 2023
 distributionBase=GRADLE_USER_HOME
 distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
 distributionPath=wrapper/dists

settings.gradle

@@ -14,3 +14,4 @@ dependencyResolutionManagement {
 }
 rootProject.name = "Ueberwachungssystem"
 include ':app'
+include ':app'