Main Widget Part 1

main_part1.dart

 final _game = GameOfLife();

  Size _cellSize;
  @override
  void initState() {
    super.initState();
    //Fullscreen display (still including appbar)
    SystemChrome.setEnabledSystemUIOverlays([]);
    _game.resetWorld();
  }

  void _toggleGame() {
    setState(() {
      _game.toggleGame();
    });
  }