private void initMap() {
        String API_KEY = BuildConfig.APIKey;
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);

        mapFragment.getMapAsync(new OnMapReadyCallback() {
            @Override
            public void onMapReady(GoogleMap googleMap) {
                Log.d("Map" , "map is ready");
                gMap = googleMap;

                if (locationPermissionsGranted) {
                    getDeviceLocation();
                    if (!hasPermissions(MapActivity.this, PERMISSIONS)) {
                        ActivityCompat.requestPermissions(MapActivity.this, PERMISSIONS, permissionAll);
                    }else {
                        gMap.setMyLocationEnabled(true);
                    }

                }
            }
        });
    }
    public static boolean hasPermissions(Context context, String... permissions) {
        if (context != null && permissions != null) {
            for (String permission : permissions) {
                if (ActivityCompat.checkSelfPermission(context, permission) != PackageManager.PERMISSION_GRANTED) {
                    return false;
                }
            }
        }
        return true;
    }