ergänzt dB Anzeige beim Kommen und Gehen der Detektion

app/src/main/AndroidManifest.xml

@@ -5,8 +5,6 @@
     <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

@@ -32,7 +32,6 @@ 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) {
@@ -85,18 +84,7 @@ 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();

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

@@ -6,6 +6,7 @@ import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import android.hardware.SensorEvent;
 import android.hardware.SensorManager;
 import android.os.Bundle;
 import android.view.View;
@@ -24,7 +25,6 @@ import java.util.List;
 public class AudiodetectionActivity extends AppCompatActivity {
     private TextView microfonStatusMessage;
     private Button backToMainActivityButton;
-    private Permission permission = new Permission();
     private MicrofonViewModel mMicrofonViewModel;
 
     @Override
@@ -76,18 +76,7 @@ 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();
@@ -100,15 +89,22 @@ public class AudiodetectionActivity extends AppCompatActivity {
             public void onChanged(Boolean aBoolean) {
                 if (aBoolean) {
                     mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), true, "Microfon", (int) mMicrofonViewModel.getAmplitudeInDB());
+                    microfonStatusMessage.setText("dB value - detected = " + (int) mMicrofonViewModel.getAmplitudeInDB() + " dB");
                 }
                 else {
                     mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), false, "Microfon", (int) mMicrofonViewModel.getAmplitudeInDB());
+                    if((int) mMicrofonViewModel.getAmplitudeInDB() > 0){
+                        microfonStatusMessage.setText("dB value - no longer detected = " + (int) mMicrofonViewModel.getAmplitudeInDB()+ " dB");
+                    }
                 }
 
             }
         });
+
+
     }
 
+
     @Override
     protected void onResume() {
         super.onResume();

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

@@ -31,8 +31,6 @@ 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);
@@ -82,18 +80,7 @@ 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();
@@ -171,9 +158,6 @@ public class AudiodetectionAndAccelerometerActivity extends AppCompatActivity im
     @Override
     protected void onPause() {
         super.onPause();
-        if (isFinishing()){
-            mAudiodetectionAndAccelerometerViewModel.recalibrationMicrofonSensor();
-        }
         mAudiodetectionAndAccelerometerViewModel.stopMicrofonSensor();
         if (accelerometerSensor != null) {
             accelerometerManager.unregisterListener(this, accelerometerSensor);

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

@@ -6,8 +6,6 @@ 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.os.Bundle;
 import android.view.View;
@@ -19,7 +17,6 @@ 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 {
@@ -31,19 +28,12 @@ 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);
@@ -65,10 +55,10 @@ 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) {
@@ -87,18 +77,7 @@ 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();
@@ -109,23 +88,22 @@ public class MainActivity extends AppCompatActivity {
         audiodetectionButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-
-                if (permission.microRechtePruefen(context, activity)) {
+                if (mMainActivityViewModel.isMicrofonAccessAllowed(MainActivity.this)) {
                     openAudiodetectionActivity();
                 }
                 else {
-                    permission.microRechteAnfordern(activity);
+                    mMainActivityViewModel.accessRequestMicrofon(MainActivity.this);
                 }
             }
         });
         videodetectionButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                if (permission.kameraRechtePruefen(context, activity)) {
+                if (mMainActivityViewModel.isCameraAccessAllowed(MainActivity.this)) {
                     openVideodetectionActivity();
                 }
                 else {
-                    permission.kameraRechteAnfordern(activity);
+                    mMainActivityViewModel.accessRequestCamera(MainActivity.this);
                 }
             }
         });
@@ -139,24 +117,19 @@ public class MainActivity extends AppCompatActivity {
         audiodetectionAndAccelerometerButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                if (permission.microRechtePruefen(context, activity)) {
+                if (mMainActivityViewModel.isMicrofonAccessAllowed(MainActivity.this)) {
                     openAudiodetectionAndAccelerometerActivity();
                 }
                 else {
-                    permission.microRechteAnfordern(activity);
+                    mMainActivityViewModel.accessRequestMicrofon(MainActivity.this);
                 }
             }
         });
         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

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

@@ -1,128 +0,0 @@
-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

@@ -27,7 +27,6 @@ public class VideodetectionActivity extends AppCompatActivity {
 
     private Button backToMainActivity;
     private VideodetectionViewModel mVideoDetectionViewModel;
-    private Permission permission = new Permission();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -77,18 +76,7 @@ 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();

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

@@ -37,7 +37,6 @@ 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) {
@@ -90,18 +89,7 @@ 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();

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

@@ -97,6 +97,7 @@ import com.example.greenwatch.sensors.MicrofonHelperClasses.Verarbeitungsergebni
              for(int i = 0; i < anzahlIterationen; i++){
                  int z = recorder.read(puffer, 0, puffer.length);
                  Verarbeitungsergebnis kalibrierung = verarbeiten(puffer, z);
+                 System.out.println("Kalibrierung" + kalibrierung.getDB());
                  sum += kalibrierung.getDB();
              }
              return sum/anzahlIterationen;

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

@@ -23,6 +23,8 @@ 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() {
@@ -41,6 +43,22 @@ public class MainActivityViewModel extends ViewModel implements ViewModelInterfa
         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;