Backup-Static-Current-Location.txt

/* This code is used to display the current location of the device, using FusedLocationProviderClient
 * I've Tested it on my Nokia 3 (Pie).
 * It Works Fine.
 * It Only Shows the Static location
 * Dated: 07/01/2020
 * By: Mr. Roy
*/


package com.example.ambulance;

import androidx.annotation.NonNull;
import androidx.core.app.ActivityCompat;
import androidx.fragment.app.FragmentActivity;

import android.Manifest;
import android.content.pm.PackageManager;
import android.location.Location;
import android.os.Bundle;
import android.widget.Toast;
import com.google.android.gms.location.FusedLocationProviderClient;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.android.gms.tasks.Task;
import com.google.android.gms.tasks.OnSuccessListener;


public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {

    private GoogleMap googleMap;
    private FusedLocationProviderClient fusedLocationProviderClient;
    private static final int REQUEST_CODE = 101;
    private Location currenrLocation;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
        fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this);
        fetchLastLocation();
    }

    private void fetchLastLocation()
    {
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_CODE);
            return;
        }

        Task<Location> task = fusedLocationProviderClient.getLastLocation();

        task.addOnSuccessListener(new OnSuccessListener<Location>()
        {
            @Override
            public void onSuccess(Location location)
            {
                if(location != null)
                {
                    currenrLocation = location;
                    Toast.makeText(getApplicationContext(), currenrLocation.getLatitude() + " " + currenrLocation.getLongitude(), Toast.LENGTH_LONG).show();
                    SupportMapFragment supportMapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.google_map);
                    supportMapFragment.getMapAsync(MapsActivity.this);
                }
            }
        });
    }
    @Override
    public void onMapReady(GoogleMap googleMap)
    {
        this.googleMap = googleMap;

        LatLng latLng = new LatLng(currenrLocation.getLatitude(), currenrLocation.getLongitude());
        MarkerOptions markerOptions = new MarkerOptions();
        markerOptions.position(latLng);
        markerOptions.title("I'm Here");
        this.googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng, 15));
        this.googleMap.addMarker(markerOptions);

    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults)
    {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        switch(requestCode)
        {
            case REQUEST_CODE:
                if(grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
                    fetchLastLocation();
                break;
        }
    }
}