@Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_one_player);

    Bundle extras = getIntent().getExtras();

    gameLogic = new GameLogic();

    // initialize buttons
    one_one = (ImageButton) findViewById(R.id.one_one);
    one_two = (ImageButton) findViewById(R.id.one_two);
    one_three = (ImageButton) findViewById(R.id.one_three);
    two_one = (ImageButton) findViewById(R.id.two_one);
    two_two = (ImageButton) findViewById(R.id.two_two);
    two_three = (ImageButton) findViewById(R.id.two_three);
    three_one = (ImageButton) findViewById(R.id.three_one);
    three_two = (ImageButton) findViewById(R.id.three_two);
    three_three = (ImageButton) findViewById(R.id.three_three);

    playerScoreLabel = (TextView) findViewById(R.id.player_score);
    computerScoreLabel = (TextView) findViewById(R.id.computer_score);
    Typeface type = Typeface.createFromAsset(getAssets(), "fonts/Cheveuxdange.ttf");

    playerScoreLabel.setTypeface(type);
    computerScoreLabel.setTypeface(type);

    if (extras != null) {
      player = (Player) extras.getSerializable("player");
      computer = (Player) extras.getSerializable("computer");
      difficulty = extras.getString("difficulty");
    }

    playerMarker = player.getPlayerMarker();
    playerScore = player.getScore();
    playerName = player.getName();

    computerName = computer.getName();
    computerScore = computer.getScore();
    computerMarker = computer.getPlayerMarker();
    gameLogic.setCompMarker(computerMarker);

    playerScoreLabel.setText(playerName + ": " + playerScore);
    computerScoreLabel.setText(computerName + ": " + computerScore);

    rowAI = new Random();
    colAI = new Random();

    sound = MediaPlayer.create(this, R.raw.pencil);

    // set click listeners
    one_one.setOnClickListener(this);
    one_two.setOnClickListener(this);
    one_three.setOnClickListener(this);
    two_one.setOnClickListener(this);
    two_two.setOnClickListener(this);
    two_three.setOnClickListener(this);
    three_one.setOnClickListener(this);
    three_two.setOnClickListener(this);
    three_three.setOnClickListener(this);
  }
  public void checkGameStatus() {

    if (gameLogic.hasWon()) {
      AlertDialog.Builder builder = new AlertDialog.Builder(this);
      if (gameLogic.getWinningMarker() == playerMarker) {
        builder.setTitle("Congratulations, You Won!");
        winSound = MediaPlayer.create(this, R.raw.woohoo);
        player.setScore(playerScore + 1);
      } else {
        builder.setTitle("You Lost, Better Luck Next Time!");
        winSound = MediaPlayer.create(this, R.raw.crowd_boo);
        computer.setScore(computerScore + 1);
      }

      builder
          .setPositiveButton(
              "New Game",
              new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int id) {
                  Intent newGame = new Intent(OnePlayerActivity.this, OnePlayerActivity.class);
                  newGame.putExtra("player", player);
                  newGame.putExtra("computer", computer);
                  newGame.putExtra("difficulty", difficulty);
                  startActivity(newGame);
                }
              })
          .setNegativeButton(
              "Main Menu",
              new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int id) {
                  Intent loginActivity = new Intent(OnePlayerActivity.this, LoginActivity.class);
                  startActivity(loginActivity);
                }
              });
      winSound.start();
      builder.create().show();
    } else if (gameLogic.checkFull()) {
      AlertDialog.Builder builder = new AlertDialog.Builder(this);
      builder
          .setTitle("Tie Game, Better Luck Next Time")
          .setPositiveButton(
              "New Game",
              new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int id) {
                  Intent newGame = new Intent(OnePlayerActivity.this, OnePlayerActivity.class);
                  newGame.putExtra("player", player);
                  newGame.putExtra("computer", computer);
                  newGame.putExtra("difficulty", difficulty);
                  startActivity(newGame);
                }
              })
          .setNegativeButton(
              "Main Menu",
              new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int id) {
                  Intent loginActivity = new Intent(OnePlayerActivity.this, LoginActivity.class);
                  startActivity(loginActivity);
                }
              });
      winSound = MediaPlayer.create(this, R.raw.crowd_boo);
      winSound.start();
      builder.create().show();
    }
  }