SidneyMachara

class Player{
  String playerHandle;
  List<int> playerMoves =[];

  Player({this.playerHandle});
}

SidneyMachara

import 'package:flutter/material.dart';

class GameBtn{
  final int id;
  String text;
  Color bg;
  bool enabled;

  GameBtn({this.id, this.text="", this.bg = Colors.grey, this.enabled=true});
}

SidneyMachara

import 'package:flutter/material.dart';

//TODO import GameBtn class

//TODO import Player class

class GamePage extends StatefulWidget {
  @override
  _GamePageState createState() => _GamePageState();

SidneyMachara

import 'package:flutter/material.dart';

import 'package:easy_tic_tac_toe/pages/game_page.dart';

class WelcomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Material(
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,

SidneyMachara

import 'package:flutter/material.dart';

import 'package:easy_tic_tac_toe/pages/welcome.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {

SidneyMachara

List<GameBtn> buttonsList;

//TODO initialise player and game variables

  List<GameBtn> generateNewGameBtns(){
    var gameButtons = <GameBtn>[
       GameBtn(id:0),
       GameBtn(id:1),
       GameBtn(id:2),
       GameBtn(id:3),

SidneyMachara

 appBar:  AppBar(
          title:  Text("Tic Tac Toe"),
        ),
        body:  Column(
          mainAxisAlignment: MainAxisAlignment.start,
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: <Widget>[
             Expanded(
              child:  GridView.builder(
                padding: const EdgeInsets.all(10.0),

SidneyMachara

  void play(int gameBtnId){

    if( gameOver ){
      return;
    }

    setState((){

      if( activePlayer.playerHandle == "playerOne" ){

SidneyMachara

  bool playerWon(List<int> playerMoves){
    bool won = false;
//     first line horizontal
    if(playerMoves.contains(0) && playerMoves.contains(1) && playerMoves.contains(2)){
      return won = true;
    }
//     second line horizontal
    if(playerMoves.contains(3) && playerMoves.contains(4) && playerMoves.contains(5)){
      return won = true;
    }