Added Video and Accelerometer to Project

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

         startActivity(intent);
     }
     public void openVideodetectionAndAccelerometerActivity(){
-        //Intent intent = new Intent(this, VideodetectionAndAccelerometerActivity.class);
-        //startActivity(intent);
-        mMainActivityViewModel.updateDevice(mMainActivityViewModel.getLocalDeviceUUID(), "24:00",  false, "Video", 0);
+        Intent intent = new Intent(this, VideodetectionAndAccelerometerActivity.class);
+        startActivity(intent);
     }
     public void openConnectionActivity(){
         //Intent intent = new Intent(this, ConnectionActivity.class);

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

 package com.example.greenwatch;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.camera.lifecycle.ProcessCameraProvider;
+import androidx.core.content.ContextCompat;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
 
-public class VideodetectionAndAccelerometerActivity extends AppCompatActivity {
+import com.example.greenwatch.adapters.AlarmHistoryListAdapter;
+import com.example.greenwatch.adapters.DeviceListAdapter;
+import com.example.greenwatch.models.Device;
+import com.example.greenwatch.viewmodels.AccelerometerViewModel;
+import com.example.greenwatch.viewmodels.VideodetectionAndAccelerometerViewModel;
+import com.example.greenwatch.viewmodels.VideodetectionViewModel;
+import com.google.common.util.concurrent.ListenableFuture;
 
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+
+public class VideodetectionAndAccelerometerActivity extends AppCompatActivity implements SensorEventListener {
+    private SensorManager accelerometerManager;
+    private Sensor accelerometerSensor;
+    private TextView videodetectionAndAccelerometerStatusMessage;
+    private TextView videodetectionAndAccelerometerDataTV;
+    private TextView videodetectionAndAccelerometerWarningTV;
     private Button backToMainActivity;
+    private VideodetectionAndAccelerometerViewModel mVideodetectionAndAccelerometerViewModel;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_videodetection_and_accelerometer);
 
+        videodetectionAndAccelerometerStatusMessage = (TextView) findViewById(R.id.tvvideodetectionAndAccelerometerStatusmessage);
+        videodetectionAndAccelerometerDataTV = (TextView) findViewById(R.id.tvvideodetectionAndAccelerometerData);
+        videodetectionAndAccelerometerWarningTV = (TextView) findViewById(R.id.tvvideodetectionAndAccelerometerWarning);
         backToMainActivity = (Button) findViewById(R.id.videodetectionAndAccelerometerBackToMainActivity);
 
+        RecyclerView recyclerView = findViewById(R.id.deviceListRecyclerView);
+        recyclerView.setLayoutManager(new LinearLayoutManager(this));
+        recyclerView.setHasFixedSize(true);
+
+        final DeviceListAdapter deviceListAdapter = new DeviceListAdapter();
+        recyclerView.setAdapter(deviceListAdapter);
+
+        RecyclerView alarmHistoryListRecyclerView = findViewById(R.id.alarmHistoryListRecyclerView);
+        alarmHistoryListRecyclerView.setLayoutManager(new LinearLayoutManager(this));
+        alarmHistoryListRecyclerView.setHasFixedSize(true);
+
+        final AlarmHistoryListAdapter alarmHistoryListAdapter  = new AlarmHistoryListAdapter();
+        alarmHistoryListRecyclerView.setAdapter(alarmHistoryListAdapter);
+
         backToMainActivity.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 finish();
             }
         });
+
+        mVideodetectionAndAccelerometerViewModel = new ViewModelProvider(this).get(VideodetectionAndAccelerometerViewModel.class);
+        mVideodetectionAndAccelerometerViewModel.init();
+        mVideodetectionAndAccelerometerViewModel.getConnectedDeviceList().observe(this, new Observer<List<Device>>() {
+            @Override
+            public void onChanged(List<Device> devices) {
+                deviceListAdapter.setDevices(devices);
+            }
+        });
+
+        mVideodetectionAndAccelerometerViewModel.getAlarmHistoryList().observe(this, new Observer<List<Device>>() {
+            @Override
+            public void onChanged(List<Device> devices) {
+                alarmHistoryListAdapter.setAlarmHistoryList(devices);
+            }
+        });
+
+        mVideodetectionAndAccelerometerViewModel.getStartAlarmRecording().observe(this, new Observer<Boolean>() {
+            @Override
+            public void onChanged(Boolean aBoolean) {
+                if (aBoolean) {
+                    Toast.makeText(VideodetectionAndAccelerometerActivity.this, "Start Alarm Recording", Toast.LENGTH_LONG).show();
+                }
+                else {
+                    Toast.makeText(VideodetectionAndAccelerometerActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
+                }
+            }
+        });
+
+        mVideodetectionAndAccelerometerViewModel.getVideodetectionAndAccelerometerAlarmDetected().observe(this, new Observer<Boolean>() {
+            @Override
+            public void onChanged(Boolean aBoolean) {
+                if (aBoolean) {
+                    mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), true, "Accelerometer", 10);
+                }
+                else {
+                    mVideodetectionAndAccelerometerViewModel.updateDevice(mVideodetectionAndAccelerometerViewModel.getLocalDeviceUUID(), mVideodetectionAndAccelerometerViewModel.getSystemTimeStamp(), false, "Accelerometer", 0);
+                }
+
+            }
+        });
+
+        final ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(this);
+        cameraProviderFuture.addListener(() -> {
+            try {
+                mVideodetectionAndAccelerometerViewModel.bindImageAnalysis(cameraProviderFuture.get(), this, this);
+            } catch (ExecutionException | InterruptedException e) {
+                e.printStackTrace();
+            }
+        }, ContextCompat.getMainExecutor(this));
+
+        accelerometerManager = (SensorManager) getSystemService(SENSOR_SERVICE);
+        if (accelerometerManager.getSensorList(Sensor.TYPE_GYROSCOPE).size() == 0) {
+            accelerometerSensor = null;
+            Toast.makeText(VideodetectionAndAccelerometerActivity.this, "No accelerometer sensor available", Toast.LENGTH_LONG).show();
+        }
+        else {
+            accelerometerSensor = accelerometerManager.getSensorList(Sensor.TYPE_GYROSCOPE).get(0);
+        }
+    }
+
+    @Override
+    public void onSensorChanged(SensorEvent event) {
+        StringBuilder sb = new StringBuilder();
+        sb.append("x=")
+                .append(event.values[0])
+                .append("\ny=")
+                .append(event.values[1])
+                .append("\nz=")
+                .append(event.values[2]);
+        videodetectionAndAccelerometerDataTV.setText(sb.toString());
+        mVideodetectionAndAccelerometerViewModel.addValueToGesamtBE(event.values[0] + event.values[1] + event.values[2]);
+        mVideodetectionAndAccelerometerViewModel.meanValueCalculation();
+        mVideodetectionAndAccelerometerViewModel.calibrateAccelerometerSensor();
+        mVideodetectionAndAccelerometerViewModel.checkAlarmCondition();
+    }
+
+    @Override
+    public void onAccuracyChanged(Sensor sensor, int accuracy) {
+
+    }
+    @Override
+    protected void onResume() {
+        super.onResume();
+        if (accelerometerSensor != null) {
+            if (accelerometerManager.registerListener(this, accelerometerSensor, SensorManager.SENSOR_DELAY_GAME)) {
+                Toast.makeText(VideodetectionAndAccelerometerActivity.this, "We registered to the sensor", Toast.LENGTH_LONG).show();
+            } else {
+                Toast.makeText(VideodetectionAndAccelerometerActivity.this, "Registration did not work", Toast.LENGTH_LONG).show();
+            }
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        if (accelerometerSensor != null) {
+            accelerometerManager.unregisterListener(this, accelerometerSensor);
+        }
     }
 }

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

+package com.example.greenwatch.viewmodels;
+
+import android.content.Context;
+
+import androidx.camera.lifecycle.ProcessCameraProvider;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModel;
+
+import com.example.greenwatch.models.Device;
+import com.example.greenwatch.repositories.DeviceRepository;
+import com.example.greenwatch.sensors.AccelerometerSensor;
+import com.example.greenwatch.sensors.CameraSensor;
+
+import java.util.List;
+
+public class VideodetectionAndAccelerometerViewModel extends ViewModel implements ViewModelInterface{
+    private MutableLiveData<List<Device>> mDeviceList;
+    private MutableLiveData<Boolean> mAccelerometerAlarmDetected;
+    private MutableLiveData<Boolean> mVideoAlarmDetected;
+    private MutableLiveData<Boolean> mVideodetectionAndAccelerometerAlarmDetected = new MutableLiveData<>();
+    private MutableLiveData<List<Device>> mAlarmHistoryList;
+    private MutableLiveData<Boolean> mStartAlarmRecording;
+    private AccelerometerSensor mAccelerometerSensor;
+    private CameraSensor mCameraSensor;
+    private DeviceRepository mDeviceRepository;
+    private boolean VideodetectionAndAccelerometerAlarmDetected;
+
+    @Override
+    public void init() {
+        if (mDeviceRepository == null) {
+            mDeviceRepository = DeviceRepository.getInstance();
+        }
+        if (mAccelerometerSensor == null) {
+            mAccelerometerSensor = AccelerometerSensor.getInstance();
+        }
+        if (mCameraSensor == null) {
+            mCameraSensor = CameraSensor.getInstance();
+        }
+        if (mDeviceList == null) {
+            mDeviceList = mDeviceRepository.getConnectedDeviceList();
+        }
+        if (mAlarmHistoryList == null) {
+            mAlarmHistoryList = mDeviceRepository.getAlarmHistoryDeviceList();
+        }
+        if (mStartAlarmRecording == null) {
+            mStartAlarmRecording = mDeviceRepository.getStartAlarmRecording();
+        }
+        if (mAccelerometerAlarmDetected == null) {
+            mAccelerometerAlarmDetected = mAccelerometerSensor.getAccelerometerAlarmDetected();
+        }
+        if (mVideoAlarmDetected == null) {
+            mVideoAlarmDetected = mCameraSensor.getVideoAlarmDetectedValue();
+        }
+        VideodetectionAndAccelerometerAlarmDetected = false;
+        registerAlarmObserver();
+    }
+
+    public void addValueToGesamtBE(float newValue) {
+        mAccelerometerSensor.addValueToGesamtBE(newValue);
+    }
+
+    public void meanValueCalculation() {
+        mAccelerometerSensor.meanValueCalculation();
+    }
+
+    public void calibrateAccelerometerSensor() {
+        mAccelerometerSensor.calibrateAccelerometerSensor();
+    }
+
+    public void checkAlarmCondition() {
+        mAccelerometerSensor.checkAlarmCondition();
+    }
+
+    public void bindImageAnalysis(ProcessCameraProvider cameraProvider, LifecycleOwner lifecycleOwner, Context context) {
+        mCameraSensor.bindImageAnalysis(cameraProvider, lifecycleOwner, context);
+    }
+
+    public LiveData<Boolean> getVideodetectionAndAccelerometerAlarmDetected() {
+        setMutableLiveDataVideodetectionAndAccelerometerAlarmDetected();
+        return mVideodetectionAndAccelerometerAlarmDetected;
+    }
+
+    private void setMutableLiveDataVideodetectionAndAccelerometerAlarmDetected() {
+        mVideodetectionAndAccelerometerAlarmDetected.setValue(VideodetectionAndAccelerometerAlarmDetected);
+    }
+
+    Observer<Boolean> observer = new Observer<Boolean>() {
+        @Override
+        public void onChanged(Boolean aBoolean) {
+            if (mVideoAlarmDetected.getValue() || mAccelerometerAlarmDetected.getValue() && !VideodetectionAndAccelerometerAlarmDetected) {
+                VideodetectionAndAccelerometerAlarmDetected = true;
+                setMutableLiveDataVideodetectionAndAccelerometerAlarmDetected();
+
+            }
+            else if (!mVideoAlarmDetected.getValue() && !mAccelerometerAlarmDetected.getValue() && VideodetectionAndAccelerometerAlarmDetected) {
+                VideodetectionAndAccelerometerAlarmDetected = false;
+                setMutableLiveDataVideodetectionAndAccelerometerAlarmDetected();
+            }
+        }
+    };
+
+    private void registerAlarmObserver() {
+        mVideoAlarmDetected.observeForever(observer);
+        mAccelerometerAlarmDetected.observeForever(observer);
+    }
+
+    @Override
+    protected void onCleared() {
+        super.onCleared();
+        mVideoAlarmDetected.removeObserver(observer);
+        mAccelerometerAlarmDetected.removeObserver(observer);
+    }
+
+    @Override
+    public LiveData<List<Device>> getConnectedDeviceList() {
+        return mDeviceList;
+    }
+
+    @Override
+    public LiveData<List<Device>> getAlarmHistoryList() {
+        return mAlarmHistoryList;
+    }
+
+    @Override
+    public LiveData<Boolean> getStartAlarmRecording() {
+        return mStartAlarmRecording;
+    }
+
+    @Override
+    public void updateDevice(String deviceID, String timeStamp, boolean sensorStatus, String sensorType, int sensorMassage) {
+        mDeviceRepository.updateDevice(deviceID, timeStamp, sensorStatus, sensorType, sensorMassage);
+    }
+
+    @Override
+    public void setTimeStamp(String deviceID, String timeStamp) {
+        mDeviceRepository.setTimeStamp(deviceID, timeStamp);
+    }
+
+    @Override
+    public String getTimeStamp(String deviceID) {
+        return mDeviceRepository.getTimeStamp(deviceID);
+    }
+
+    @Override
+    public void setDeviceID(String deviceID, String newDeviceID) {
+        mDeviceRepository.setDeviceID(deviceID, newDeviceID);
+    }
+
+    @Override
+    public String getDeviceID(String deviceID) {
+        return mDeviceRepository.getDeviceID(deviceID);
+    }
+
+    @Override
+    public void setSensorStatus(String deviceID, boolean sensorStatus) {
+        mDeviceRepository.setSensorStatus(deviceID, sensorStatus);
+    }
+
+    @Override
+    public boolean getSensorStatus(String deviceID) {
+        return mDeviceRepository.getSensorStatus(deviceID);
+    }
+
+    @Override
+    public void setSensorType(String deviceID, String sensorType) {
+        mDeviceRepository.setSensorType(deviceID, sensorType);
+    }
+
+    @Override
+    public String getSensorType(String deviceID) {
+        return mDeviceRepository.getSensorType(deviceID);
+    }
+
+    @Override
+    public void setSensorMassage(String deviceID, int sensorMessage) {
+        mDeviceRepository.setSensorMassage(deviceID, sensorMessage);
+    }
+
+    @Override
+    public int getSensorMassage(String deviceID) {
+        return mDeviceRepository.getSensorMassage(deviceID);
+    }
+
+    @Override
+    public String getLocalDeviceUUID() {
+        return mDeviceRepository.getLocalDeviceUUID();
+    }
+
+    @Override
+    public String getSystemTimeStamp() {
+        return mDeviceRepository.getSystemTimeStamp();
+    }
+}

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

     tools:context=".VideodetectionAndAccelerometerActivity">
 
     <TextView
-        android:id="@+id/tvVideodetectionAndAccelerometerStatusmessage"
+        android:id="@+id/tvvideodetectionAndAccelerometerStatusmessage"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="Videodetection + Accelerometer Activity">
+        android:text="">
+    </TextView>
+
+    <TextView
+        android:id="@+id/tvvideodetectionAndAccelerometerData"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="">
+    </TextView>
+
+    <TextView
+        android:id="@+id/tvvideodetectionAndAccelerometerWarning"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="">
     </TextView>
 
     <Button
         android:text="Back to MainActivity">
     </Button>
 
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/deviceListRecyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:listitem="@layout/device_item"
+            android:layout_weight="1">
+        </androidx.recyclerview.widget.RecyclerView>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/alarmHistoryListRecyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:listitem="@layout/alarm_history_item"
+            android:layout_weight="1">
+        </androidx.recyclerview.widget.RecyclerView>
+
+    </LinearLayout>
+
 </LinearLayout>