Kommunikationcopie Version 1.8 UDP Socket

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

 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
     VideoDetector videoDetector = null;
     AudioRecorder audioRecorder = null;
 
+    /** Communication **/
+
+    WifiCommunication wifiCommunication;
+
+    StringBuffer dataFromWifi;
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
 
 
         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();
     }
 
 
-
-
     /** 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

 package com.example.ueberwachungssystem;
 
+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;
 
     WifiCommunication communication;
     PermissionRequest permission;
-    boolean communicationRunning = false;
+    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();
-        if (!communicationRunning){
-            communication = new WifiCommunication(MainActivity.this, SERVER_PORT);
-            communicationRunning = true;
+        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();
         switch (item.getItemId()) {
             case R.id.Rechteverwaltung:
                 popUpClass = new PopUpClass(MainActivity.this);
-                popUpClass.showPopupWindow(tvMessages);
+                //popUpClass.showPopupWindow(tvMessages);
                 popUpClass.RechtePrüfen();
                 return true;
             case R.id.Sensoren:
                 popUpClass = new PopUpClass(MainActivity.this);
-                popUpClass.showPopupWindow(tvMessages);
+                //popUpClass.showPopupWindow(tvMessages);
                 popUpClass.Sensoren();
                 return true;
             case R.id.Impressum:
                 popUpClass = new PopUpClass(MainActivity.this);
-                popUpClass.showPopupWindow(tvMessages);
+                //popUpClass.showPopupWindow(tvMessages);
                 popUpClass.Impressum();
                 return true;
             default:

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

 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;
 import java.net.DatagramSocket;
 import java.util.Enumeration;
 
 public class WifiCommunication {
-    private final MainActivity mainActivity;
+    //private final MainActivity mainActivity;
     private final InetAddress address;
     private final int port;
 
     volatile private boolean send;
     private final DatagramSocket socket;
     volatile private boolean running;
+
+    private OnConnectionListener listener;
     @SuppressLint("SetTextI18n")
-    public WifiCommunication(MainActivity mainActivity, int port) {
-        this.mainActivity = mainActivity;
+    public WifiCommunication(int port) {
+        //this.mainActivity = mainActivity;
         this.port = port;
         try {
             socket = new DatagramSocket(this.port);
         } catch (SocketException | UnknownHostException e) {
             throw new RuntimeException(e);
         }
-        Toast.makeText(mainActivity.getApplicationContext(),"Communication running", Toast.LENGTH_SHORT).show();
-
+        //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="";
                     byte[] receiveData = new byte[512];
                     DatagramPacket rxPacket = new DatagramPacket(receiveData, receiveData.length);
                     socket.receive(rxPacket);
-                    rxString = new String(rxPacket.getData());
+                    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");
-                        mainActivity.runOnUiThread(() -> mainActivity.tvMessages.setText(rxStringBuffer));
+                        sendWifiData(rxStringBuffer);
+                        //mainActivity.runOnUiThread(() -> mainActivity.tvMessages.setText(rxStringBuffer));
                         previousRxString = rxString;
                     }
                 } while (running);
 
                         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);
                         }
                     }

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

         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>