adapted datahandling and communication strings

app/src/main/java/com/example/greenwatch/AudiodetectionActivity.java

             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
-                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), true, "Microfon", mMicrofonViewModel.getAmplitudeInDB());
+                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), true, "Audio", mMicrofonViewModel.getAmplitudeInDB());
                 }
                 else {
-                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), false, "Microfon", mMicrofonViewModel.getAmplitudeInDB());
+                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), false, "Audio", 0.0f);
                 }
 
             }

app/src/main/java/com/example/greenwatch/AudiodetectionAndAccelerometerActivity.java

                 }
                 else {
                     Toast.makeText(AudiodetectionAndAccelerometerActivity.this, "onChangedFalse", Toast.LENGTH_LONG).show();
-                    mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), false, "AudioAndAccelerometer", 0);
+                    mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), false, "AudioAndAccelerometer", 0.0f);
                 }
 
             }

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

 import androidx.recyclerview.widget.RecyclerView;
 
 import android.content.Intent;
+import android.hardware.SensorManager;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
             }
         });
     }
-    public void openAudiodetectionActivity(){
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), mMainActivityViewModel.getSystemTimeStamp(),  false, "No Sensor selected", 0.0f);
+    }
+
+    public void openAudiodetectionActivity() {
+        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), mMainActivityViewModel.getSystemTimeStamp(),  false, "Audio", 0.0f);
         Intent intent = new Intent(this, AudiodetectionActivity.class);
         startActivity(intent);
     }
-    public void openVideodetectionActivity(){
+    public void openVideodetectionActivity() {
+        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), mMainActivityViewModel.getSystemTimeStamp(),  false, "Video", 0.0f);
         Intent intent =  new Intent(this, VideodetectionActivity.class);
         startActivity(intent);
     }
-    public void openAccelerometerActivity(){
+    public void openAccelerometerActivity() {
+        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), mMainActivityViewModel.getSystemTimeStamp(),  false, "Accelerometer", 0.0f);
         Intent intent = new Intent(this, AccelerometerActivity.class);
         startActivity(intent);
     }
-    public void openAudiodetectionAndAccelerometerActivity(){
+    public void openAudiodetectionAndAccelerometerActivity() {
+        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), mMainActivityViewModel.getSystemTimeStamp(),  false, "AudioAndAccelerometer", 0.0f);
         Intent intent = new Intent(this, AudiodetectionAndAccelerometerActivity.class);
         startActivity(intent);
     }
-    public void openVideodetectionAndAccelerometerActivity(){
+    public void openVideodetectionAndAccelerometerActivity() {
+        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), mMainActivityViewModel.getSystemTimeStamp(),  false, "VideoAndAccelerometer", 0.0f);
         Intent intent = new Intent(this, VideodetectionAndAccelerometerActivity.class);
         startActivity(intent);
     }
     public void openConnectionActivity(){
         //Intent intent = new Intent(this, ConnectionActivity.class);
         //startActivity(intent);
-        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), "10:51",  true, "Audio", 10);
+        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), "10:51",  false, "Audio", 10);
     }
 
 }

app/src/main/java/com/example/greenwatch/VideodetectionActivity.java

             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
-                    mVideoDetectionViewModel.updateDevice(mVideoDetectionViewModel.getLocalDeviceUUID(), mVideoDetectionViewModel.getSystemTimeStamp(), true, "Video", 10);
+                    mVideoDetectionViewModel.updateDevice(mVideoDetectionViewModel.getLocalDeviceUUID(), mVideoDetectionViewModel.getSystemTimeStamp(), true, "Video", 1.0f);
                 }
                 else {
-                    mVideoDetectionViewModel.updateDevice(mVideoDetectionViewModel.getLocalDeviceUUID(), mVideoDetectionViewModel.getSystemTimeStamp(), false, "Video", 0);
+                    mVideoDetectionViewModel.updateDevice(mVideoDetectionViewModel.getLocalDeviceUUID(), mVideoDetectionViewModel.getSystemTimeStamp(), false, "Video", 0.0f);
                 }
 
             }

app/src/main/java/com/example/greenwatch/communication/WiFiCommunication.java

                     if(isNewMessage)
                     {
                         isNewMessage = false;
-                        //todo: adapt send String
-                        String txString = getLocalIpAddress() + " sends. #" + tmpCnt++ + sendMessage;
+                        String txString = sendMessage;
                         byte[] txBuffer = txString.getBytes();
 
                         DatagramPacket txPacket = new DatagramPacket(txBuffer, txBuffer.length, address, port);

app/src/main/java/com/example/greenwatch/repositories/DeviceRepository.java

 
     public void getNewReceivedMessage(String newMessage) {
         String[] messageString = messageStringSplitter(newMessage);
-        String timeStamp = messageString[0];
-        String deviceID = messageString[1];
-        boolean sensorStatus = convertSensorStatus(messageString[2]);
-        String sensorType = messageString[3];
-        float sensorMassage = Float.valueOf(messageString[4]);
-
-        if (deviceID.equals(checkDeviceID(localDeviceUUID))) {
-            return;
-        }
+        if(messageString[0]=="1" && messageString.length == 7) {
+            String timeStamp = messageString[1];
+            String deviceID = messageString[3];
+            boolean sensorStatus = convertSensorStatus(messageString[4]);
+            String sensorType = messageString[5];
+            float sensorMassage = Float.valueOf(messageString[6]);
+
+            if (deviceID.equals(checkDeviceID(localDeviceUUID))) {
+                return;
+            }
 
-        if(!connectedDevicesList.containsKey(deviceID)) {
-            createNewDevice(timeStamp, deviceID, sensorStatus, sensorType, sensorMassage);
-        }
-        else {
-            updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
+            if (!connectedDevicesList.containsKey(deviceID)) {
+                createNewDevice(timeStamp, deviceID, sensorStatus, sensorType, sensorMassage);
+            } else {
+                updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
+            }
         }
     }
 
         StringBuilder message = new StringBuilder();
         Device device = connectedDevicesList.get(deviceID);
         if(device != null) {
-            message.append(device.getTimeStamp())
+            message.append("1")
+                    .append(delimiter)
+                    .append(device.getTimeStamp())
+                    .append(delimiter)
+                    .append("Gruppe3")
                     .append(delimiter)
                     .append(device.getDeviceID())
                     .append(delimiter)
                     .append(device.getSensorMassage());
         }
         else {
-            message.append("")
+            message.append("1")
+                    .append(delimiter)
+                    .append("")
+                    .append(delimiter)
+                    .append("Gruppe3")
                     .append(delimiter)
                     .append("")
                     .append(delimiter)

app/src/main/java/com/example/greenwatch/viewmodels/MainActivityViewModel.java

         if(mDeviceList != null) {
             return;
         }
-        //todo: check if WiFi instanz can be hold only by the repository
         mDeviceRepository = DeviceRepository.getInstance();
         mWiFiCommunication = WiFiCommunication.getInstance();
         mDeviceRepository.setWiFiCommunication(mWiFiCommunication);
         mWiFiCommunication.setDeviceRepository(mDeviceRepository);
-        mDeviceRepository.createNewDevice(mDeviceRepository.getSystemTimeStamp(), mDeviceRepository.getLocalDeviceUUID(), false, "No Sensor selected", 0);
+        mDeviceRepository.createNewDevice(mDeviceRepository.getSystemTimeStamp(), mDeviceRepository.getLocalDeviceUUID(), false, "No Sensor selected", 0.0f);
+        mDeviceRepository.setDeviceID(mDeviceRepository.getLocalDeviceUUID(), WiFiCommunication.getLocalIpAddress());
         mDeviceList = mDeviceRepository.getConnectedDeviceList();
         mAlarmHistoryList = mDeviceRepository.getAlarmHistoryDeviceList();
         mStartAlarmRecording = mDeviceRepository.getStartAlarmRecording();
 
     @Override
     public String getSystemTimeStamp() {
-        return null;
+        return mDeviceRepository.getSystemTimeStamp();
     }
 }