Merge remote-tracking branch 'origin/master'

# Conflicts:
#	app/src/main/AndroidManifest.xml
#	app/src/main/java/com/example/ueberwachungssystem/MainActivity.java
#	app/src/main/java/com/example/ueberwachungssystem/WifiCommunication.java
#	app/src/main/res/layout/activity_main.xml

app/build.gradle

@@ -26,6 +26,9 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+    buildFeatures {
+        viewBinding true
+    }
 }
 
 dependencies {
@@ -33,6 +36,7 @@ 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'

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

@@ -3,13 +3,17 @@ package com.example.ueberwachungssystem.Detection;
 import android.content.Intent;
 import android.os.Binder;
 import android.os.IBinder;
+import android.util.Log;
 import android.widget.ImageView;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.camera.core.ExperimentalGetImage;
 import androidx.lifecycle.LifecycleService;
 
+import com.example.ueberwachungssystem.WifiCommunication;
+
 import java.io.File;
 
 @ExperimentalGetImage
@@ -21,6 +25,11 @@ public class DetectorService extends LifecycleService {
     VideoDetector videoDetector = null;
     AudioRecorder audioRecorder = null;
 
+    /** Communication **/
+
+    WifiCommunication wifiCommunication;
+
+    StringBuffer dataFromWifi;
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
@@ -42,9 +51,16 @@ public class DetectorService extends LifecycleService {
 
 
         isServiceRunning = true;
+
+        wifiCommunication = new WifiCommunication (1234);
+        wifiCommunication.setOnConnectionListener(new WifiCommunication.OnConnectionListener() {
+            @Override
+            public void onConnection(StringBuffer data) {
+                dataFromWifi = data;
+            }
+        });
         return super.onStartCommand(intent, flags, startId);
     }
-
     @Override
     public void onDestroy() {
         super.onDestroy();
@@ -140,8 +156,6 @@ public class DetectorService extends LifecycleService {
     }
 
 
-
-
     /** pass Detection Report to Service Detection Listener and trigger it */
     public void passToServiceListener(DetectionReport detectionReport) {
         if (listener != null) {

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

@@ -1,27 +1,113 @@
 package com.example.ueberwachungssystem;
 
-import androidx.appcompat.app.AppCompatActivity;
+import static android.content.ContentValues.TAG;
 
+import android.annotation.SuppressLint;
+import android.net.wifi.WifiInfo;
+import android.net.wifi.WifiManager;
+import android.net.wifi.WifiInfo;
+import android.net.wifi.WifiManager;
 import android.os.Bundle;
+import android.util.Log;
+import android.view.MenuItem;
+import android.widget.Toast;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
 
+import androidx.appcompat.app.AppCompatActivity;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+@SuppressLint("SetTextI18n")
 public class MainActivity extends AppCompatActivity {
 
     WifiCommunication communication;
+    PermissionRequest permission;
+    boolean communicationRunning = true;
+    String dataRecieved;
+    TextView textview1;
 
         @Override
         protected void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
             setContentView(R.layout.activity_main);
+            textview1 = findViewById(R.id.textView1);
+
+            Button button1 = findViewById(R.id.buttonSend);
+            button1.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    communication.sendTrue("Testmessage");
+                }
+            });
         }
     @Override
     protected void onResume() {
         super.onResume();
-        communication = new WifiCommunication(MainActivity.this, 1234);
+        if (communicationRunning){
-    }
+            communication = new WifiCommunication(1234);
+            communication.setOnConnectionListener(new WifiCommunication.OnConnectionListener() {
+                @Override
+                public void onConnection(StringBuffer data) {
+                    //Log.d("Test", data.toString());
+                    runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            textview1.setText(data);
+                        }
+                    });
+                }
+            });
+            communicationRunning = false;
+        }
+        permission = new PermissionRequest(MainActivity.this);
+        permission.rechtePruefen();
+        }
 
     @Override
     protected void onPause() {
         super.onPause();
-        communication.stopCommunication();
+        //communication.stopCommunication();
+    }
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.options_menu, menu);
+        return true;
+    }
+    public boolean onOptionsItemSelected(MenuItem item) {
+        Toast.makeText(this, "Selected Item: " + item.getTitle(), Toast.LENGTH_SHORT).show();
+        PopUpClass popUpClass;
+        switch (item.getItemId()) {
+            case R.id.Rechteverwaltung:
+                popUpClass = new PopUpClass(MainActivity.this);
+                //popUpClass.showPopupWindow(tvMessages);
+                popUpClass.RechtePrüfen();
+                return true;
+            case R.id.Sensoren:
+                popUpClass = new PopUpClass(MainActivity.this);
+                //popUpClass.showPopupWindow(tvMessages);
+                popUpClass.Sensoren();
+                return true;
+            case R.id.Impressum:
+                popUpClass = new PopUpClass(MainActivity.this);
+                //popUpClass.showPopupWindow(tvMessages);
+                popUpClass.Impressum();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+    private String getLocalIpAddress() throws UnknownHostException {
+        WifiManager wifiManager = (WifiManager) getApplicationContext().getSystemService(WIFI_SERVICE);
+        assert wifiManager != null;
+        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
+        int ipInt = wifiInfo.getIpAddress();
+        return InetAddress.getByAddress(ByteBuffer.allocate(4).order(ByteOrder.LITTLE_ENDIAN).putInt(ipInt).array()).getHostAddress();
     }
 }
+

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/WifiCommunication.java

@@ -1,5 +1,12 @@
 package com.example.ueberwachungssystem;
 import android.annotation.SuppressLint;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+
+import com.example.ueberwachungssystem.Detection.DetectionReport;
+import com.example.ueberwachungssystem.Detection.Detector;
+import com.example.ueberwachungssystem.Detection.DetectorService;
 
 import java.io.IOException;
 import java.net.DatagramPacket;
@@ -14,7 +21,7 @@ import java.util.Date;
 import java.util.Enumeration;
 
 public class WifiCommunication {
-    private final MainActivity mainActivity;
+    //private final MainActivity mainActivity;
     private final InetAddress address;
     private final int port;
 
@@ -22,9 +29,11 @@ public class WifiCommunication {
     volatile private boolean send;
     private final DatagramSocket socket;
     volatile private boolean running;
+
+    private OnConnectionListener listener;
     @SuppressLint("SetTextI18n")
-    public WifiCommunication(MainActivity mainActivity, int port) {
+    public WifiCommunication(int port) {
-        this.mainActivity = mainActivity;
+        //this.mainActivity = mainActivity;
         this.port = port;
         try {
             socket = new DatagramSocket(this.port);
@@ -37,8 +46,23 @@ public class WifiCommunication {
         } 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="";
@@ -49,20 +73,16 @@ public class WifiCommunication {
             try {
                 do {
                     byte[] receiveData = new byte[512];
-                    InetAddress fromAdress;
-                    int fromPort;
                     DatagramPacket rxPacket = new DatagramPacket(receiveData, receiveData.length);
                     socket.receive(rxPacket);
-                    fromAdress = rxPacket.getAddress();
+                    rxString = new String(receiveData, 0, rxPacket.getLength());
-                    fromPort = rxPacket.getPort();
+                    String[] splitrxString = rxString.split(",");
-                    rxString = new String(rxPacket.getData());
+                    if(!previousRxString.equals(rxString) && splitrxString[0].equals("1") && splitrxString.length==7) {
-                    if(!previousRxString.equals(rxString)) {
                         rxStringBuffer.append(rxString).append("\n");
+                        sendWifiData(rxStringBuffer);
                         //mainActivity.runOnUiThread(() -> mainActivity.tvMessages.setText(rxStringBuffer));
                         previousRxString = rxString;
                     }
-
-
                 } while (running);
             }
             catch (IOException e) {
@@ -83,18 +103,13 @@ public class WifiCommunication {
                         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);
+                        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 < 500; i++) {
+                        for(int i = 0; i < 300; i++) {
                             socket.send(txPacket);
-                            /*try{
-                                sleep(10);
-                            }catch (InterruptedException e){
-                                e.printStackTrace();
-                            }*/
                         }
                     }
                 } while (running);

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

@@ -38,4 +38,16 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content" />
 
+    <TextView
+        android:id="@+id/textView1"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="TextView" />
+
+    <Button
+        android:id="@+id/buttonSend"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Button" />
+
 </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>

settings.gradle

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