mMDT5_GreenWatch/app/src/main/java/com/example/greenwatch/AudiodetectionActivity.java

package com.example.greenwatch;

import androidx.appcompat.app.AppCompatActivity;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.os.Bundle;
import android.view.SurfaceView;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.example.greenwatch.adapters.AlarmHistoryListAdapter;
import com.example.greenwatch.adapters.DeviceListAdapter;
import com.example.greenwatch.models.Device;
import com.example.greenwatch.viewmodels.MicrofonViewModel;

import java.util.List;

public class AudiodetectionActivity extends AppCompatActivity {
    private TextView microfonStatusMessage;
    private TextView tvAAudiodetectionAlarmHistoryListRecyclerView;
    private TextView tvAudiodetectionDeviceListRecyclerView;
    private Button backToMainActivityButton;
    private SurfaceView surfaceView;
    private Permission permission = new Permission();
    private MicrofonViewModel mMicrofonViewModel;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_audiodetection);

        surfaceView = (SurfaceView) findViewById(R.id.surfaceViewAudio);
        microfonStatusMessage = (TextView) findViewById(R.id.tvAudiodetectionStatusmessage);
        tvAAudiodetectionAlarmHistoryListRecyclerView = (TextView) findViewById(R.id.tvAudiodetectionAlarmHistoryListRecyclerView);
        tvAudiodetectionDeviceListRecyclerView = (TextView) findViewById(R.id.tvAudiodetectionDeviceListRecyclerView);
        backToMainActivityButton = (Button) findViewById(R.id.audiodetectorBackToMainActivity);

        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);

        backToMainActivityButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });

        mMicrofonViewModel = new ViewModelProvider(this).get(MicrofonViewModel.class);
        mMicrofonViewModel.init(surfaceView.getHolder());
        mMicrofonViewModel.getConnectedDeviceList().observe(this, new Observer<List<Device>>() {
            @Override
            public void onChanged(List<Device> devices) {
                deviceListAdapter.setDevices(devices);
            }
        });

        mMicrofonViewModel.getAlarmHistoryList().observe(this, new Observer<List<Device>>() {
            @Override
            public void onChanged(List<Device> devices) {
                alarmHistoryListAdapter.setAlarmHistoryList(devices);
            }
        });

        mMicrofonViewModel.getStartAlarmRecording().observe(this, new Observer<Boolean>() {
            @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();
                        mMicrofonViewModel.startAlarmRecording();
                        //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();
                            mMicrofonViewModel.startAlarmRecording();
                            //todo Alarmhandling einfügen
                        } else {
                            Toast.makeText(AudiodetectionActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
                            mMicrofonViewModel.stopAlarmRecording(AudiodetectionActivity.this);
                        }
                    }
                }
                else {
                    Toast.makeText(AudiodetectionActivity.this, "Stop Alarm Recording", Toast.LENGTH_LONG).show();
                    mMicrofonViewModel.stopAlarmRecording(AudiodetectionActivity.this);
                }
            }
        });

        mMicrofonViewModel.getMicrofonAlarmDetected().observe(this, new Observer<Boolean>() {
            @Override
            public void onChanged(Boolean aBoolean) {
                if (aBoolean) {
                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), true, "Audio", mMicrofonViewModel.getAmplitudeInDB());
                }
                else {
                    mMicrofonViewModel.updateDevice(mMicrofonViewModel.getLocalDeviceUUID(), mMicrofonViewModel.getSystemTimeStamp(), false, "Audio", 0.0f);
                }

            }
        });
    }

    @Override
    protected void onResume() {
        super.onResume();
        mMicrofonViewModel.startMicrofonSensor();
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (isFinishing()){
            mMicrofonViewModel.recalibrationMicrofonSensor();
        }
        mMicrofonViewModel.stopMicrofonSensor();
    }
}