merge Kommunikation Version 1.3 UDP Socket

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

             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) {