Permissions

app/src/main/AndroidManifest.xml

@@ -5,6 +5,8 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.CAMERA"/>
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
     <uses-feature android:name="android.hardware.camera"/>
 

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

@@ -32,6 +32,7 @@ public class AccelerometerActivity extends AppCompatActivity implements SensorEv
     private TextView accelerometerWarningTV;
     private Button backToMainActivityButton;
     private AccelerometerViewModel mAccelerometerViewModel;
+    private Permission permission = new Permission();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -84,7 +85,18 @@ public class AccelerometerActivity extends AppCompatActivity implements SensorEv
             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
+                    if(permission.alarmRechtePruefen(AccelerometerActivity.this, AccelerometerActivity.this)){
                         Toast.makeText(AccelerometerActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                        //todo AlarmHandling einfügen
+                    } else {
+                        permission.alarmRechteAnfordern(AccelerometerActivity.this);
+                        if(permission.alarmRechtePruefen(AccelerometerActivity.this, AccelerometerActivity.this)){
+                            Toast.makeText(AccelerometerActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                            //todo Alarmhandling einfügen
+                        } else {
+                            Toast.makeText(AccelerometerActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
+                        }
+                    }
                 }
                 else {
                     Toast.makeText(AccelerometerActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
@@ -96,10 +108,10 @@ public class AccelerometerActivity extends AppCompatActivity implements SensorEv
             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
-                    mAccelerometerViewModel.updateDevice(mAccelerometerViewModel.getLocalDeviceUUID(), mAccelerometerViewModel.getSystemTimeStamp(), true, "Accelerometer", mAccelerometerViewModel.getAccelerometerSensorMeanValue());
+                    mAccelerometerViewModel.updateDevice(mAccelerometerViewModel.getLocalDeviceUUID(), mAccelerometerViewModel.getSystemTimeStamp(), true, "Accelerometer", 10);
                 }
                 else {
-                    mAccelerometerViewModel.updateDevice(mAccelerometerViewModel.getLocalDeviceUUID(), mAccelerometerViewModel.getSystemTimeStamp(), false, "Accelerometer", 0.0f);
+                    mAccelerometerViewModel.updateDevice(mAccelerometerViewModel.getLocalDeviceUUID(), mAccelerometerViewModel.getSystemTimeStamp(), false, "Accelerometer", 0);
                 }
 
             }

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

@@ -24,6 +24,7 @@ import java.util.List;
 public class AudiodetectionActivity extends AppCompatActivity {
     private TextView microfonStatusMessage;
     private Button backToMainActivityButton;
+    private Permission permission = new Permission();
     private MicrofonViewModel mMicrofonViewModel;
 
     @Override
@@ -75,7 +76,18 @@ public class AudiodetectionActivity extends AppCompatActivity {
             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
+                    if(permission.alarmRechtePruefen(AudiodetectionActivity.this, AudiodetectionActivity.this)){
                         Toast.makeText(AudiodetectionActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                        //todo AlarmHandling einfügen
+                    } else {
+                        permission.alarmRechteAnfordern(AudiodetectionActivity.this);
+                        if(permission.alarmRechtePruefen(AudiodetectionActivity.this, AudiodetectionActivity.this)){
+                            Toast.makeText(AudiodetectionActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                            //todo Alarmhandling einfügen
+                        } else {
+                            Toast.makeText(AudiodetectionActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
+                        }
+                    }
                 }
                 else {
                     Toast.makeText(AudiodetectionActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
@@ -87,10 +99,10 @@ public class AudiodetectionActivity extends AppCompatActivity {
             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
-                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), true, "Audio", mMicrofonViewModel.getAmplitudeInDB());
+                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), true, "Microfon", (int) mMicrofonViewModel.getAmplitudeInDB());
                 }
                 else {
-                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), false, "Audio", 0.0f);
+                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), false, "Microfon", (int) mMicrofonViewModel.getAmplitudeInDB());
                 }
 
             }

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

@@ -31,6 +31,8 @@ public class AudiodetectionAndAccelerometerActivity extends AppCompatActivity im
     private AudiodetectionAndAccelerometerViewModel mAudiodetectionAndAccelerometerViewModel;
     private Button backToMainActivity;
 
+    private Permission permission = new Permission();
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -80,7 +82,18 @@ public class AudiodetectionAndAccelerometerActivity extends AppCompatActivity im
             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
+                    if(permission.alarmRechtePruefen(AudiodetectionAndAccelerometerActivity.this, AudiodetectionAndAccelerometerActivity.this)){
                         Toast.makeText(AudiodetectionAndAccelerometerActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                        //todo AlarmHandling einfügen
+                    } else {
+                        permission.alarmRechteAnfordern(AudiodetectionAndAccelerometerActivity.this);
+                        if(permission.alarmRechtePruefen(AudiodetectionAndAccelerometerActivity.this, AudiodetectionAndAccelerometerActivity.this)){
+                            Toast.makeText(AudiodetectionAndAccelerometerActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                            //todo Alarmhandling einfügen
+                        } else {
+                            Toast.makeText(AudiodetectionAndAccelerometerActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
+                        }
+                    }
                 }
                 else {
                     Toast.makeText(AudiodetectionAndAccelerometerActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
@@ -94,18 +107,18 @@ public class AudiodetectionAndAccelerometerActivity extends AppCompatActivity im
                 if (aBoolean) {
                     Toast.makeText(AudiodetectionAndAccelerometerActivity.this, "onChangedTrue", Toast.LENGTH_LONG).show();
                     if (mAudiodetectionAndAccelerometerViewModel.getAccelerometerAlarmDetected() && !mAudiodetectionAndAccelerometerViewModel.getMicrofonAlarmDetected()) {
-                        mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "Accelerometer", mAudiodetectionAndAccelerometerViewModel.getAccelerometerSensorMeanValue());
+                        mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "Accelerometer", 10);
                     }
                     else if (mAudiodetectionAndAccelerometerViewModel.getMicrofonAlarmDetected() && !mAudiodetectionAndAccelerometerViewModel.getAccelerometerAlarmDetected()) {
-                        mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "Audio", mAudiodetectionAndAccelerometerViewModel.getAmplitudeInDB());
+                        mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "Audio", (int) mAudiodetectionAndAccelerometerViewModel.getAmplitudeInDB());
                     }
                     else if (mAudiodetectionAndAccelerometerViewModel.getMicrofonAlarmDetected() && mAudiodetectionAndAccelerometerViewModel.getAccelerometerAlarmDetected()) {
-                        mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "AudioAndAccelerometer", mAudiodetectionAndAccelerometerViewModel.getAmplitudeInDB());
+                        mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "2AudioAndAccelerometer", 10);
                     }
                 }
                 else {
                     Toast.makeText(AudiodetectionAndAccelerometerActivity.this, "onChangedFalse", Toast.LENGTH_LONG).show();
-                    mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), false, "AudioAndAccelerometer", 0.0f);
+                    mAudiodetectionAndAccelerometerViewModel.updateDevice(mAudiodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mAudiodetectionAndAccelerometerViewModel.getSystemTimeStamp(), false, "AudioAndAccelerometer", 0);
                 }
 
             }

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

@@ -6,8 +6,9 @@ import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
-import android.hardware.SensorManager;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
@@ -18,6 +19,7 @@ import com.example.greenwatch.adapters.DeviceListAdapter;
 import com.example.greenwatch.models.Device;
 import com.example.greenwatch.viewmodels.MainActivityViewModel;
 
+
 import java.util.List;
 
 public class MainActivity extends AppCompatActivity {
@@ -29,12 +31,19 @@ public class MainActivity extends AppCompatActivity {
     private Button videodetectionAndAccelerometerButton;
     private Button connectionButton;
     private MainActivityViewModel mMainActivityViewModel;
+    private Permission permission = new Permission();
+
+    private Activity activity = new Activity();
+    private Context context;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
+        activity = MainActivity.this;
+        context = MainActivity.this;
+
         audiodetectionButton = (Button) findViewById(R.id.audiodetectionButton);
         videodetectionButton = (Button) findViewById(R.id.videodetectionButton);
         accelerometerButton = (Button) findViewById(R.id.accelerometerButton);
@@ -56,10 +65,10 @@ public class MainActivity extends AppCompatActivity {
         final AlarmHistoryListAdapter alarmHistoryListAdapter  = new AlarmHistoryListAdapter();
         alarmHistoryListRecyclerView.setAdapter(alarmHistoryListAdapter);
 
+        permission.startRechtePruefen(this, this);
+
         mMainActivityViewModel = new ViewModelProvider(this).get(MainActivityViewModel.class);
         mMainActivityViewModel.init();
-        mMainActivityViewModel.accessRequestCamera(this);
-        mMainActivityViewModel.accessRequestMicrofon(this);
         mMainActivityViewModel.getConnectedDeviceList().observe(this, new Observer<List<Device>>() {
             @Override
             public void onChanged(List<Device> devices) {
@@ -78,7 +87,18 @@ public class MainActivity extends AppCompatActivity {
             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
+                    if(permission.alarmRechtePruefen(context, activity)){
                         Toast.makeText(MainActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                        //todo AlarmHandling einfügen
+                    } else {
+                        permission.alarmRechteAnfordern(activity);
+                        if(permission.alarmRechtePruefen(context, activity)){
+                            Toast.makeText(MainActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                            //todo Alarmhandling einfügen
+                        } else {
+                            Toast.makeText(MainActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
+                        }
+                    }
                 }
                 else {
                     Toast.makeText(MainActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
@@ -89,22 +109,23 @@ public class MainActivity extends AppCompatActivity {
         audiodetectionButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                if (mMainActivityViewModel.isMicrofonAccessAllowed(MainActivity.this)) {
+
+                if (permission.microRechtePruefen(context, activity)) {
                     openAudiodetectionActivity();
                 }
                 else {
-                    mMainActivityViewModel.accessRequestMicrofon(MainActivity.this);
+                    permission.microRechteAnfordern(activity);
                 }
             }
         });
         videodetectionButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                if (mMainActivityViewModel.isCameraAccessAllowed(MainActivity.this)) {
+                if (permission.kameraRechtePruefen(context, activity)) {
                     openVideodetectionActivity();
                 }
                 else {
-                    mMainActivityViewModel.accessRequestCamera(MainActivity.this);
+                    permission.kameraRechteAnfordern(activity);
                 }
             }
         });
@@ -118,19 +139,24 @@ public class MainActivity extends AppCompatActivity {
         audiodetectionAndAccelerometerButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                if (mMainActivityViewModel.isMicrofonAccessAllowed(MainActivity.this)) {
+                if (permission.microRechtePruefen(context, activity)) {
                     openAudiodetectionAndAccelerometerActivity();
                 }
                 else {
-                    mMainActivityViewModel.accessRequestMicrofon(MainActivity.this);
+                    permission.microRechteAnfordern(activity);
                 }
             }
         });
         videodetectionAndAccelerometerButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
+                if (permission.kameraRechtePruefen(context, activity)) {
                     openVideodetectionAndAccelerometerActivity();
                 }
+                else {
+                    permission.kameraRechteAnfordern(activity);
+                }
+            }
         });
         connectionButton.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -139,42 +165,30 @@ public class MainActivity extends AppCompatActivity {
             }
         });
     }
-
-    @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(){
-        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), mMainActivityViewModel.getSystemTimeStamp(),  false, "Video", 0.0f);
         Intent intent =  new Intent(this, VideodetectionActivity.class);
         startActivity(intent);
     }
     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(){
-        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), mMainActivityViewModel.getSystemTimeStamp(),  false, "AudioAndAccelerometer", 0.0f);
         Intent intent = new Intent(this, AudiodetectionAndAccelerometerActivity.class);
         startActivity(intent);
     }
     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",  false, "Audio", 10);
+        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), "10:51",  true, "Audio", 10);
     }
 
 }

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

@@ -0,0 +1,128 @@
+package com.example.greenwatch;
+
+import static android.Manifest.permission.CAMERA;
+import static android.Manifest.permission.RECORD_AUDIO;
+import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE;
+import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
+
+import static androidx.core.app.ActivityCompat.requestPermissions;
+import static androidx.core.content.ContextCompat.checkSelfPermission;
+
+import android.Manifest;
+import android.app.Activity;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+
+
+
+public class Permission {
+    private static final int PERMISSION_REQUEST_MICRO = 1;
+    private static final int PERMISSION_REQUEST_CAMERA = 2;
+    private static final int PERMISSION_REQUEST_ALARM = 1234;
+    private static final int PERMISSION_REQUEST_START = 1235;
+
+    public void startRechtePruefen(Context context, Activity activity){
+        boolean rechtKamera = checkSelfPermission(context, CAMERA) == PackageManager.PERMISSION_GRANTED;
+        boolean rechtAudio = checkSelfPermission(context, RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
+        boolean rechtSchreiben = checkSelfPermission(context, WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
+        boolean rechtLesen = checkSelfPermission(context, READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
+
+        Log.d("Kamera Rechte", String.valueOf(rechtKamera));
+        Log.d("Audio Rechte", String.valueOf(rechtAudio));
+        Log.d("Schreib Rechte", String.valueOf(rechtSchreiben));
+        Log.d("Lese Rechte", String.valueOf(rechtLesen));
+
+        if(rechtKamera && rechtAudio && rechtSchreiben && rechtLesen){
+            Log.d("Rechte", "erteilt");
+        } else {
+            startRechteAnfordern(activity);
+        }
+    }
+
+    public boolean kameraRechtePruefen(Context context, Activity activity){
+        boolean rechtKamera = checkSelfPermission(context, CAMERA) == PackageManager.PERMISSION_GRANTED;
+        Log.d("Kamera Rechte", String.valueOf(rechtKamera));
+
+        if(rechtKamera){
+            Log.d("Kamerarechte", "erteilt");
+            return true;
+        } else {
+            kameraRechteAnfordern(activity);
+            if(checkSelfPermission(context, CAMERA) == PackageManager.PERMISSION_GRANTED){
+                return true;
+            } else {
+                return false;
+            }
+        }
+    }
+
+    public boolean microRechtePruefen(Context context, Activity activity){
+        boolean rechtAudio = checkSelfPermission(context, RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
+        Log.d("Audio Rechte", String.valueOf(rechtAudio));
+
+        if(rechtAudio){
+            Log.d("Rechte", "erteilt");
+            return true;
+        } else {
+            microRechteAnfordern(activity);
+            if(checkSelfPermission(context, RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED){
+                return true;
+            } else {
+                return false;
+            }
+        }
+    }
+
+    public boolean alarmRechtePruefen(Context context, Activity activity){
+        boolean rechtKamera = checkSelfPermission(context, CAMERA) == PackageManager.PERMISSION_GRANTED;
+        boolean rechtAudio = checkSelfPermission(context, RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
+        boolean rechtSchreiben = checkSelfPermission(context, WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
+        boolean rechtLesen = checkSelfPermission(context, READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
+
+        Log.d("Kamera Rechte", String.valueOf(rechtKamera));
+        Log.d("Audio Rechte", String.valueOf(rechtAudio));
+        Log.d("Schreib Rechte", String.valueOf(rechtSchreiben));
+        Log.d("Lese Rechte", String.valueOf(rechtLesen));
+
+        if(rechtKamera && rechtAudio && rechtSchreiben && rechtLesen){
+            Log.d("Rechte", "erteilt");
+            return true;
+        } else {
+            alarmRechteAnfordern(activity);
+            if(checkSelfPermission(context, CAMERA) == PackageManager.PERMISSION_GRANTED
+                    && checkSelfPermission(context, RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED
+                    && checkSelfPermission(context, WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED
+                    && checkSelfPermission(context, READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED){
+                return true;
+            } else {
+                return false;
+            }
+        }
+    }
+
+    public void startRechteAnfordern(Activity activity){
+        ActivityCompat.requestPermissions(activity, new String[]{CAMERA, RECORD_AUDIO, WRITE_EXTERNAL_STORAGE, READ_EXTERNAL_STORAGE}, PERMISSION_REQUEST_START);
+    }
+
+    public void kameraRechteAnfordern(Activity activity){
+        ActivityCompat.requestPermissions(activity, new String[]{CAMERA}, PERMISSION_REQUEST_CAMERA);
+    }
+
+    public void microRechteAnfordern(Activity activity){
+        ActivityCompat.requestPermissions(activity, new String[]{RECORD_AUDIO}, PERMISSION_REQUEST_MICRO);
+    }
+
+    public void alarmRechteAnfordern(Activity activity){
+        ActivityCompat.requestPermissions(activity, new String[]{CAMERA, RECORD_AUDIO, WRITE_EXTERNAL_STORAGE, READ_EXTERNAL_STORAGE}, PERMISSION_REQUEST_ALARM);
+    }
+
+}

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

@@ -27,6 +27,7 @@ public class VideodetectionActivity extends AppCompatActivity {
 
     private Button backToMainActivity;
     private VideodetectionViewModel mVideoDetectionViewModel;
+    private Permission permission = new Permission();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -76,7 +77,18 @@ public class VideodetectionActivity extends AppCompatActivity {
             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
+                    if(permission.alarmRechtePruefen(VideodetectionActivity.this, VideodetectionActivity.this)){
                         Toast.makeText(VideodetectionActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                        //todo AlarmHandling einfügen
+                    } else {
+                        permission.alarmRechteAnfordern(VideodetectionActivity.this);
+                        if(permission.alarmRechtePruefen(VideodetectionActivity.this, VideodetectionActivity.this)){
+                            Toast.makeText(VideodetectionActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                            //todo Alarmhandling einfügen
+                        } else {
+                            Toast.makeText(VideodetectionActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
+                        }
+                    }
                 }
                 else {
                     Toast.makeText(VideodetectionActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
@@ -88,10 +100,10 @@ public class VideodetectionActivity extends AppCompatActivity {
             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
-                    mVideoDetectionViewModel.updateDevice(mVideoDetectionViewModel.getLocalDeviceUUID(), mVideoDetectionViewModel.getSystemTimeStamp(), true, "Video", 1.0f);
+                    mVideoDetectionViewModel.updateDevice(mVideoDetectionViewModel.getLocalDeviceUUID(), mVideoDetectionViewModel.getSystemTimeStamp(), true, "Video", 10);
                 }
                 else {
-                    mVideoDetectionViewModel.updateDevice(mVideoDetectionViewModel.getLocalDeviceUUID(), mVideoDetectionViewModel.getSystemTimeStamp(), false, "Video", 0.0f);
+                    mVideoDetectionViewModel.updateDevice(mVideoDetectionViewModel.getLocalDeviceUUID(), mVideoDetectionViewModel.getSystemTimeStamp(), false, "Video", 0);
                 }
 
             }

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

@@ -37,6 +37,7 @@ public class VideodetectionAndAccelerometerActivity extends AppCompatActivity im
     private TextView videodetectionAndAccelerometerWarningTV;
     private Button backToMainActivity;
     private VideodetectionAndAccelerometerViewModel mVideodetectionAndAccelerometerViewModel;
+    private Permission permission = new Permission();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -89,7 +90,18 @@ public class VideodetectionAndAccelerometerActivity extends AppCompatActivity im
             @Override
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
+                    if(permission.alarmRechtePruefen(VideodetectionAndAccelerometerActivity.this, VideodetectionAndAccelerometerActivity.this)){
                         Toast.makeText(VideodetectionAndAccelerometerActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                        //todo AlarmHandling einfügen
+                    } else {
+                        permission.alarmRechteAnfordern(VideodetectionAndAccelerometerActivity.this);
+                        if(permission.alarmRechtePruefen(VideodetectionAndAccelerometerActivity.this, VideodetectionAndAccelerometerActivity.this)){
+                            Toast.makeText(VideodetectionAndAccelerometerActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                            //todo Alarmhandling einfügen
+                        } else {
+                            Toast.makeText(VideodetectionAndAccelerometerActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
+                        }
+                    }
                 }
                 else {
                     Toast.makeText(VideodetectionAndAccelerometerActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
@@ -102,17 +114,17 @@ public class VideodetectionAndAccelerometerActivity extends AppCompatActivity im
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
                     if (mVideodetectionAndAccelerometerViewModel.getAccelerometerAlarmDetected() && !mVideodetectionAndAccelerometerViewModel.getVideoAlarmDetected()) {
-                        mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "Accelerometer", mVideodetectionAndAccelerometerViewModel.getAccelerometerSensorMeanValue());
+                        mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "Accelerometer", 10);
                     }
                     else if (mVideodetectionAndAccelerometerViewModel.getVideoAlarmDetected() && !mVideodetectionAndAccelerometerViewModel.getAccelerometerAlarmDetected()) {
-                        mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "Video", 1.0f);
+                        mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "Video", 10);
                     }
                     else if (mVideodetectionAndAccelerometerViewModel.getAccelerometerAlarmDetected() && mVideodetectionAndAccelerometerViewModel.getVideoAlarmDetected()) {
-                        mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "VideoAndAccelerometer", mVideodetectionAndAccelerometerViewModel.getAccelerometerSensorMeanValue());
+                        mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "2VideoAndAccelerometer", 10);
                     }
                 }
                 else {
-                    mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), false, "VideoAndAccelerometer", 0.0f);
+                    mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), false, "VideoAndAccelerometer", 0);
                 }
             }
         });

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

@@ -88,7 +88,8 @@ public class WiFiCommunication {
                     if(isNewMessage)
                     {
                         isNewMessage = false;
-                        String txString = sendMessage;
+                        //todo: adapt send String
+                        String txString = getLocalIpAddress() + " sends. #" + tmpCnt++ + sendMessage;
                         byte[] txBuffer = txString.getBytes();
 
                         DatagramPacket txPacket = new DatagramPacket(txBuffer, txBuffer.length, address, port);

app/src/main/java/com/example/greenwatch/models/Device.java

@@ -7,9 +7,9 @@ public class Device {
     private String deviceID;
     private boolean sensorStatus;
     private String sensorType;
-    private float sensorMassage;
+    private int sensorMassage;
 
-    public Device(String timeStamp, String deviceID, boolean sensorStatus, String sensorType, float sensorMassage) {
+    public Device(String timeStamp, String deviceID, boolean sensorStatus, String sensorType, int sensorMassage) {
         this.timeStamp = timeStamp;
         this.deviceID = deviceID;
         this.sensorStatus = sensorStatus;
@@ -47,11 +47,11 @@ public class Device {
         return sensorStatus;
     }
 
-    public void setSensorMassage(float sensorMassage) {
+    public void setSensorMassage(int sensorMassage) {
         this.sensorMassage = sensorMassage;
     }
 
-    public float getSensorMassage() {
+    public int getSensorMassage() {
         return sensorMassage;
     }
 }

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

@@ -60,7 +60,7 @@ public class DeviceRepository {
         return startAlarmRecording;
     }
 
-    public void createNewDevice(String timeStamp, String deviceID, boolean sensorStatus, String sensorType, float sensorMassage){
+    public void createNewDevice(String timeStamp, String deviceID, boolean sensorStatus, String sensorType, int sensorMassage){
         Device newDevice = new Device(timeStamp, deviceID, sensorStatus, sensorType, sensorMassage);
         if (sensorStatus) {
             setAlarmHistoryDeviceList(newDevice);
@@ -76,12 +76,11 @@ public class DeviceRepository {
 
     public void getNewReceivedMessage(String newMessage) {
         String[] messageString = messageStringSplitter(newMessage);
-        if(messageString[0]=="1" && messageString.length == 7) {
+        String timeStamp = messageString[0];
-            String timeStamp = messageString[1];
+        String deviceID = messageString[1];
-            String deviceID = messageString[3];
+        boolean sensorStatus = convertSensorStatus(messageString[2]);
-            boolean sensorStatus = convertSensorStatus(messageString[4]);
+        String sensorType = messageString[3];
-            String sensorType = messageString[5];
+        int sensorMassage = Integer.valueOf(messageString[4]);
-            float sensorMassage = Float.valueOf(messageString[6]);
 
         if (deviceID.equals(checkDeviceID(localDeviceUUID))) {
             return;
@@ -89,9 +88,9 @@ public class DeviceRepository {
 
         if(!connectedDevicesList.containsKey(deviceID)) {
             createNewDevice(timeStamp, deviceID, sensorStatus, sensorType, sensorMassage);
-            } else {
-                updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
         }
+        else {
+            updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
         }
     }
 
@@ -99,11 +98,7 @@ public class DeviceRepository {
         StringBuilder message = new StringBuilder();
         Device device = connectedDevicesList.get(deviceID);
         if(device != null) {
-            message.append("1")
+            message.append(device.getTimeStamp())
-                    .append(delimiter)
-                    .append(device.getTimeStamp())
-                    .append(delimiter)
-                    .append("Gruppe3")
                     .append(delimiter)
                     .append(device.getDeviceID())
                     .append(delimiter)
@@ -114,11 +109,7 @@ public class DeviceRepository {
                     .append(device.getSensorMassage());
         }
         else {
-            message.append("1")
+            message.append("")
-                    .append(delimiter)
-                    .append("")
-                    .append(delimiter)
-                    .append("Gruppe3")
                     .append(delimiter)
                     .append("")
                     .append(delimiter)
@@ -135,7 +126,7 @@ public class DeviceRepository {
         return localDeviceUUID;
     }
 
-    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, float sensorMassage) {
+    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, int sensorMassage) {
         String checkedDeviceID = checkDeviceID(deviceID);
         Device device = connectedDevicesList.get(checkedDeviceID);
         if(device != null) {
@@ -243,7 +234,7 @@ public class DeviceRepository {
         return "";
     }
 
-    public void setSensorMassage(String deviceID, float sensorMessage) {
+    public void setSensorMassage(String deviceID, int sensorMessage) {
         String checkedDeviceID = checkDeviceID(deviceID);
         Device device = connectedDevicesList.get(checkedDeviceID);
         if(device != null) {
@@ -253,7 +244,7 @@ public class DeviceRepository {
         }
     }
 
-    public float getSensorMassage(String deviceID) {
+    public int getSensorMassage(String deviceID) {
         String checkedDeviceID = checkDeviceID(deviceID);
         Device device = connectedDevicesList.get(checkedDeviceID);
         if(device != null) {

app/src/main/java/com/example/greenwatch/sensors/AccelerometerSensor.java

@@ -82,8 +82,4 @@ public class AccelerometerSensor {
             mAccelerometerAlarmDetected.setValue(false);
         }
     }
-
-    public float getAccelerometerSensorMeanValue() {
-        return meanValue;
-    }
 }

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

@@ -56,10 +56,6 @@ public class AccelerometerViewModel extends ViewModel implements ViewModelInterf
         mAccelerometerSensor.checkAlarmCondition();
     }
 
-    public float getAccelerometerSensorMeanValue() {
-        return mAccelerometerSensor.getAccelerometerSensorMeanValue();
-    }
-
     public LiveData<Boolean> getAccelerometerAlarmDetected() {
         return mAccelerometerAlarmDetected;
     }
@@ -80,7 +76,7 @@ public class AccelerometerViewModel extends ViewModel implements ViewModelInterf
     }
 
     @Override
-    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, float sensorMassage) {
+    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, int sensorMassage) {
         mDeviceRepository.updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
     }
 
@@ -125,12 +121,12 @@ public class AccelerometerViewModel extends ViewModel implements ViewModelInterf
     }
 
     @Override
-    public void setSensorMassage(String deviceID, float sensorMessage) {
+    public void setSensorMassage(String deviceID, int sensorMessage) {
         mDeviceRepository.setSensorMassage(deviceID, sensorMessage);
     }
 
     @Override
-    public float getSensorMassage(String deviceID) {
+    public int getSensorMassage(String deviceID) {
         return mDeviceRepository.getSensorMassage(deviceID);
     }
 

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

@@ -74,10 +74,6 @@ public class AudiodetectionAndAccelerometerViewModel extends ViewModel implement
         mAccelerometerSensor.checkAlarmCondition();
     }
 
-    public float getAccelerometerSensorMeanValue() {
-        return mAccelerometerSensor.getAccelerometerSensorMeanValue();
-    }
-
     public LiveData<Boolean> getAudiodetectionAndAccelerometerAlarmDetected() {
         setMutableLiveDataMicrofondetectionAndAccelerometerAlarmDetected();
         return mAudiodetectionAndAccelerometerAlarmDetected;
@@ -164,7 +160,7 @@ public class AudiodetectionAndAccelerometerViewModel extends ViewModel implement
     }
 
     @Override
-    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, float sensorMassage) {
+    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, int sensorMassage) {
         mDeviceRepository.updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
     }
 
@@ -209,12 +205,12 @@ public class AudiodetectionAndAccelerometerViewModel extends ViewModel implement
     }
 
     @Override
-    public void setSensorMassage(String deviceID, float sensorMessage) {
+    public void setSensorMassage(String deviceID, int sensorMessage) {
         mDeviceRepository.setSensorMassage(deviceID, sensorMessage);
     }
 
     @Override
-    public float getSensorMassage(String deviceID) {
+    public int getSensorMassage(String deviceID) {
         return mDeviceRepository.getSensorMassage(deviceID);
     }
 

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

@@ -23,8 +23,6 @@ public class MainActivityViewModel extends ViewModel implements ViewModelInterfa
     private MutableLiveData<List<Device>> mAlarmHistoryList;
     private MutableLiveData<Boolean> mStartAlarmRecording;
     private DeviceRepository mDeviceRepository;
-    private static final int RIGHTS_REQUEST_CAMERA = 10;
-    private static final int RIGHTS_REQUEST_CAMERA_MICROFON = 1;
 
     @Override
     public void init() {
@@ -32,33 +30,17 @@ public class MainActivityViewModel extends ViewModel implements ViewModelInterfa
         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", 0.0f);
+        mDeviceRepository.createNewDevice(mDeviceRepository.getSystemTimeStamp(), mDeviceRepository.getLocalDeviceUUID(), false, "No Sensor selected", 0);
-        mDeviceRepository.setDeviceID(mDeviceRepository.getLocalDeviceUUID(), WiFiCommunication.getLocalIpAddress());
         mDeviceList = mDeviceRepository.getConnectedDeviceList();
         mAlarmHistoryList = mDeviceRepository.getAlarmHistoryDeviceList();
         mStartAlarmRecording = mDeviceRepository.getStartAlarmRecording();
     }
 
-    public boolean isMicrofonAccessAllowed(Context context) {
-        return ContextCompat.checkSelfPermission(context, android.Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
-    }
-
-    public void accessRequestMicrofon(Activity activity) {
-        ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.RECORD_AUDIO}, RIGHTS_REQUEST_CAMERA_MICROFON);
-    }
-
-    public boolean isCameraAccessAllowed(Context context) {
-        return ContextCompat.checkSelfPermission(context, android.Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED;
-    }
-
-    public void accessRequestCamera(Activity activity) {
-        ActivityCompat.requestPermissions(activity, new String[]{android.Manifest.permission.CAMERA}, RIGHTS_REQUEST_CAMERA);
-    }
-
     @Override
     public LiveData<List<Device>> getConnectedDeviceList() {
         return mDeviceList;
@@ -75,7 +57,7 @@ public class MainActivityViewModel extends ViewModel implements ViewModelInterfa
     }
 
     @Override
-    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, float sensorMassage) {
+    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, int sensorMassage) {
         mDeviceRepository.updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
     }
 
@@ -120,12 +102,12 @@ public class MainActivityViewModel extends ViewModel implements ViewModelInterfa
     }
 
     @Override
-    public void setSensorMassage(String deviceID, float sensorMessage) {
+    public void setSensorMassage(String deviceID, int sensorMessage) {
         mDeviceRepository.setSensorMassage(deviceID, sensorMessage);
     }
 
     @Override
-    public float getSensorMassage(String deviceID) {
+    public int getSensorMassage(String deviceID) {
         return mDeviceRepository.getSensorMassage(deviceID);
     }
 
@@ -136,6 +118,6 @@ public class MainActivityViewModel extends ViewModel implements ViewModelInterfa
 
     @Override
     public String getSystemTimeStamp() {
-        return mDeviceRepository.getSystemTimeStamp();
+        return null;
     }
 }

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

@@ -76,7 +76,7 @@ public class MicrofonViewModel extends ViewModel implements ViewModelInterface {
     }
 
     @Override
-    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, float sensorMassage) {
+    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, int sensorMassage) {
         mDeviceRepository.updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
     }
 
@@ -121,12 +121,12 @@ public class MicrofonViewModel extends ViewModel implements ViewModelInterface {
     }
 
     @Override
-    public void setSensorMassage(String deviceID, float sensorMessage) {
+    public void setSensorMassage(String deviceID, int sensorMessage) {
         mDeviceRepository.setSensorMassage(deviceID, sensorMessage);
     }
 
     @Override
-    public float getSensorMassage(String deviceID) {
+    public int getSensorMassage(String deviceID) {
         return mDeviceRepository.getSensorMassage(deviceID);
     }
 

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

@@ -78,10 +78,6 @@ public class VideodetectionAndAccelerometerViewModel extends ViewModel implement
         mAccelerometerSensor.checkAlarmCondition();
     }
 
-    public float getAccelerometerSensorMeanValue() {
-        return mAccelerometerSensor.getAccelerometerSensorMeanValue();
-    }
-
     public void bindImageAnalysis(ProcessCameraProvider cameraProvider, LifecycleOwner lifecycleOwner, Context context) {
         mCameraSensor.bindImageAnalysis(cameraProvider, lifecycleOwner, context);
     }
@@ -156,7 +152,7 @@ public class VideodetectionAndAccelerometerViewModel extends ViewModel implement
     }
 
     @Override
-    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, float sensorMassage) {
+    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, int sensorMassage) {
         mDeviceRepository.updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
     }
 
@@ -201,12 +197,12 @@ public class VideodetectionAndAccelerometerViewModel extends ViewModel implement
     }
 
     @Override
-    public void setSensorMassage(String deviceID, float sensorMessage) {
+    public void setSensorMassage(String deviceID, int sensorMessage) {
         mDeviceRepository.setSensorMassage(deviceID, sensorMessage);
     }
 
     @Override
-    public float getSensorMassage(String deviceID) {
+    public int getSensorMassage(String deviceID) {
         return mDeviceRepository.getSensorMassage(deviceID);
     }
 

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

@@ -74,7 +74,7 @@ public class VideodetectionViewModel extends ViewModel implements ViewModelInter
     }
 
     @Override
-    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, float sensorMassage) {
+    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, int sensorMassage) {
         mDeviceRepository.updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
     }
 
@@ -119,12 +119,12 @@ public class VideodetectionViewModel extends ViewModel implements ViewModelInter
     }
 
     @Override
-    public void setSensorMassage(String deviceID, float sensorMessage) {
+    public void setSensorMassage(String deviceID, int sensorMessage) {
         mDeviceRepository.setSensorMassage(deviceID, sensorMessage);
     }
 
     @Override
-    public float getSensorMassage(String deviceID) {
+    public int getSensorMassage(String deviceID) {
         return mDeviceRepository.getSensorMassage(deviceID);
     }
 

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

@@ -11,7 +11,7 @@ public interface ViewModelInterface {
     LiveData<List<Device>> getConnectedDeviceList();
     LiveData<List<Device>> getAlarmHistoryList();
     LiveData<Boolean> getStartAlarmRecording();
-    void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, float sensorMassage);
+    void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, int sensorMassage);
     void setTimeStamp(String deviceID, String timeStamp);
     String getTimeStamp(String deviceID);
     void setDeviceID(String deviceID, String newDeviceID);
@@ -20,8 +20,8 @@ public interface ViewModelInterface {
     boolean getSensorStatus(String deviceID);
     void setSensorType(String deviceID, String sensorType);
     String getSensorType(String deviceID);
-    void setSensorMassage(String deviceID, float sensorMessage);
+    void setSensorMassage(String deviceID, int sensorMessage);
-    float getSensorMassage(String deviceID);
+    int getSensorMassage(String deviceID);
     String getLocalDeviceUUID();
     String getSystemTimeStamp();
 }

app/src/main/res/values/strings.xml

@@ -4,5 +4,5 @@
     <string name="sensor_status_placeholder">Sensorstatus: %s</string>
     <string name="deviceID_placeholder">Sensor-ID: %s</string>
     <string name="sensor_time_stamp_placeholder">Timestamp: %s</string>
-    <string name="sensor_message_placeholder">Sensormessage: %f</string>
+    <string name="sensor_message_placeholder">Sensormessage: %d</string>
 </resources>