moveTheCamera.dart

final double _zoom = 10;
@override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: Text('Maps in Flutter'),
          centerTitle: true,
        ),
        drawer: _drawer(),
        .
        .
        .
        .
        .
      );
  }


Widget _drawer(){
    return Drawer(
      elevation: 16.0,
      child: Column(
        children: <Widget>[
          UserAccountsDrawerHeader(
            accountName: Text("xyz"),
            accountEmail: Text("xyz@gmail.com"),
            currentAccountPicture: CircleAvatar(
              backgroundColor: Colors.white,
              child: Text("xyz"),
            ),
            otherAccountsPictures: <Widget>[
              CircleAvatar(
                backgroundColor: Colors.white,
                child: Text("abc"),
              )
            ],
          ),
          ListTile(
            title: new Text("Places"),
            leading: new Icon(Icons.flight),
          ),
          Divider(),
          ListTile(
            onTap: (){
              _goToNewYork();
              Navigator.of(context).pop();
            },
            title: new Text("New York"),
            trailing: new Icon(Icons.arrow_forward_ios),
          ),
        ],
      ),
    );
  }

Future<void> _goToNewYork() async {
    double lat = 40.7128;
    double long = -74.0060;
    GoogleMapController controller = await _controller.future;
    controller.animateCamera(CameraUpdate.newLatLngZoom(LatLng(lat, long), _zoom));

  }