app/src/main/AndroidManifest.xml

@@ -24,10 +24,6 @@
         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/MainActivity.java

@@ -20,12 +20,12 @@ 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
@@ -37,7 +37,6 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
     private void log(String nachricht) {
         Log.d(this.getClass().getSimpleName(), nachricht);
     }
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -57,6 +56,9 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 
         //boolean isRunning = vd.isRunning();
 
+
+
+
     }
     @Override
     public void onClick(View v) {
@@ -68,19 +70,6 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
             }
         }
     }
-
-    @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");

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();
-    }
-}