WatcherService.java

package com.student.krborowi.shutthephone;

import android.annotation.SuppressLint;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.location.Location;
import android.location.LocationManager;
import android.media.AudioManager;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.app.ActivityCompat;
import android.util.Log;

import com.google.android.gms.maps.model.LatLng;

public class WatcherService extends Service {
    private static final String TAG = "MyLocationService";
    private static final int LOCATION_INTERVAL = 1000;
    private static final float LOCATION_DISTANCE = 10f;
    private MapHandler mapHandler;
    private AudioManager audioManager;
    private LocationManager mLocationManager;

    private class LocationListener implements android.location.LocationListener {
        Location mLastLocation;

        private LocationListener(String provider) {
            Log.e(TAG, "LocationListener " + provider);
            mLastLocation = new Location(provider);
        }

        @Override
        public void onLocationChanged(Location location) {
            Log.e(TAG, "onLocationChanged: " + location);
            mLastLocation.set(location);
            runPhoneSilencerService(mapHandler.isOnUniversity(new LatLng(location.getLatitude(), location.getLongitude())));
            Log.e(TAG, "onLocationChanged: Is on university " + mapHandler.isOnUniversity(new LatLng(location.getLatitude(), location.getLongitude())));
        }

        @Override
        public void onProviderDisabled(String provider) {
            Log.e(TAG, "onProviderDisabled: " + provider);
        }

        @Override
        public void onProviderEnabled(String provider) {
            Log.e(TAG, "onProviderEnabled: " + provider);
        }

        @Override
        public void onStatusChanged(String provider, int status, Bundle extras) {
            Log.e(TAG, "onStatusChanged: " + provider);
        }
    }

    LocationListener mLocationListener = new LocationListener(LocationManager.PASSIVE_PROVIDER);

    @Override
    public IBinder onBind(Intent arg0) {
        return null;
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        Log.e(TAG, "onStartCommand");
        super.onStartCommand(intent, flags, startId);

        NotificationManager mNotificationManager =
                (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        String channelId = "default";
        NotificationChannel chan = new NotificationChannel(channelId, "Name", NotificationManager.IMPORTANCE_NONE);
        chan.setLightColor(Color.BLUE);
        chan.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
        mNotificationManager.createNotificationChannel(chan);
        Intent notificationIntent = new Intent(this, MainActivity.class);
        PendingIntent pendingIntent =
                PendingIntent.getActivity(this, 0, notificationIntent, 0);

        Notification notification =
                new Notification.Builder(this, channelId)
                        .setContentTitle("Anything")
                        .setContentText("Just something")
                        .setSmallIcon(android.R.drawable.ic_dialog_info)
                        .setContentIntent(pendingIntent)
                        .setTicker("Ticker")
                        .build();

        startForeground(1, notification);

        return START_STICKY;
    }

    @SuppressLint("MissingPermission")
    @Override
    public void onCreate() {

        mapHandler = new MapHandler();
        mapHandler.setAllMapProperties();
        audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);

        Log.e(TAG, "onCreate");

        initializeLocationManager();

        mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, mLocationListener);

        try {
            mLocationManager.requestLocationUpdates(
                    LocationManager.PASSIVE_PROVIDER,
                    LOCATION_INTERVAL,
                    LOCATION_DISTANCE,
                    mLocationListener
            );
        } catch (java.lang.SecurityException ex) {
            Log.i(TAG, "fail to request location update, ignore", ex);
        } catch (IllegalArgumentException ex) {
            Log.d(TAG, "network provider does not exist, " + ex.getMessage());
        }
    }

    @Override
    public void onDestroy() {
        Log.e(TAG, "onDestroy");
        super.onDestroy();
        if (mLocationManager != null) {

            try {
                if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                    return;
                }
                mLocationManager.removeUpdates(mLocationListener);
            } catch (Exception ex) {
                Log.i(TAG, "fail to remove location listener, ignore", ex);
            }

        }
    }

    private void initializeLocationManager() {
        Log.e(TAG, "initializeLocationManager - LOCATION_INTERVAL: " + LOCATION_INTERVAL + " LOCATION_DISTANCE: " + LOCATION_DISTANCE);
        if (mLocationManager == null) {
            mLocationManager = (LocationManager) getApplicationContext().getSystemService(Context.LOCATION_SERVICE);
        }

    }

    private void runPhoneSilencerService(boolean enable) {
        if (enable) {
            audioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT);
        } else {
            audioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
        }
    }
}