android/tutorials/tutorial2/src/main/java/com/uber/rib/root/loggedin/tictactoe/TicTacToeView.java [31:122]:
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public class TicTacToeView extends PercentRelativeLayout
    implements TicTacToeInteractor.TicTacToePresenter {

  private TextView[][] imageButtons;
  private TextView titleView;

  public TicTacToeView(Context context) {
    this(context, null);
  }

  public TicTacToeView(Context context, @Nullable AttributeSet attrs) {
    this(context, attrs, 0);
  }

  public TicTacToeView(Context context, @Nullable AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }

  @Initializer
  @Override
  protected void onFinishInflate() {
    super.onFinishInflate();
    imageButtons = new TextView[3][];
    imageButtons[0] =
        new TextView[] {
          (TextView) findViewById(R.id.button11),
          (TextView) findViewById(R.id.button12),
          (TextView) findViewById(R.id.button13)
        };
    imageButtons[1] =
        new TextView[] {
          (TextView) findViewById(R.id.button21),
          (TextView) findViewById(R.id.button22),
          (TextView) findViewById(R.id.button23)
        };
    imageButtons[2] =
        new TextView[] {
          (TextView) findViewById(R.id.button31),
          (TextView) findViewById(R.id.button32),
          (TextView) findViewById(R.id.button33)
        };
    titleView = (TextView) findViewById(R.id.title);
  }

  @Override
  public Observable<BoardCoordinate> squareClicks() {
    ArrayList<Observable<BoardCoordinate>> observables = new ArrayList<>();
    for (int i = 0; i < 3; i++) {
      for (int j = 0; j < 3; j++) {
        final int finalI = i;
        final int finalJ = j;
        observables.add(
            RxView.clicks(imageButtons[i][j])
                .map(
                    new Function<Object, BoardCoordinate>() {
                      @Override
                      public BoardCoordinate apply(Object irrelevant) throws Exception {
                        return new BoardCoordinate(finalI, finalJ);
                      }
                    }));
      }
    }
    return Observable.merge(observables);
  }

  @Override
  public void addCross(BoardCoordinate xy) {
    TextView textView = imageButtons[xy.getX()][xy.getY()];
    textView.setText("x");
    textView.setClickable(false);
  }

  @Override
  public void addNought(BoardCoordinate xy) {
    TextView textView = imageButtons[xy.getX()][xy.getY()];
    textView.setText("O");
    textView.setClickable(false);
  }

  @Override
  public void setCurrentPlayerName(String currentPlayer) {
    titleView.setText("Current Player: " + currentPlayer);
  }

  @Override
  public void setPlayerWon(String playerName) {
    titleView.setText("Player won: " + playerName + "!!!");
  }

  @Override
  public void setPlayerTie() {
    titleView.setText("Tie game!");
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android/tutorials/tutorial4/src/main/java/com/uber/rib/root/loggedin/tictactoe/TicTacToeView.java [31:122]:
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public class TicTacToeView extends PercentRelativeLayout
    implements TicTacToeInteractor.TicTacToePresenter {

  private TextView[][] imageButtons;
  private TextView titleView;

  public TicTacToeView(Context context) {
    this(context, null);
  }

  public TicTacToeView(Context context, @Nullable AttributeSet attrs) {
    this(context, attrs, 0);
  }

  public TicTacToeView(Context context, @Nullable AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }

  @Initializer
  @Override
  protected void onFinishInflate() {
    super.onFinishInflate();
    imageButtons = new TextView[3][];
    imageButtons[0] =
        new TextView[] {
          (TextView) findViewById(R.id.button11),
          (TextView) findViewById(R.id.button12),
          (TextView) findViewById(R.id.button13)
        };
    imageButtons[1] =
        new TextView[] {
          (TextView) findViewById(R.id.button21),
          (TextView) findViewById(R.id.button22),
          (TextView) findViewById(R.id.button23)
        };
    imageButtons[2] =
        new TextView[] {
          (TextView) findViewById(R.id.button31),
          (TextView) findViewById(R.id.button32),
          (TextView) findViewById(R.id.button33)
        };
    titleView = (TextView) findViewById(R.id.title);
  }

  @Override
  public Observable<BoardCoordinate> squareClicks() {
    ArrayList<Observable<BoardCoordinate>> observables = new ArrayList<>();
    for (int i = 0; i < 3; i++) {
      for (int j = 0; j < 3; j++) {
        final int finalI = i;
        final int finalJ = j;
        observables.add(
            RxView.clicks(imageButtons[i][j])
                .map(
                    new Function<Object, BoardCoordinate>() {
                      @Override
                      public BoardCoordinate apply(Object irrelevant) throws Exception {
                        return new BoardCoordinate(finalI, finalJ);
                      }
                    }));
      }
    }
    return Observable.merge(observables);
  }

  @Override
  public void addCross(BoardCoordinate xy) {
    TextView textView = imageButtons[xy.getX()][xy.getY()];
    textView.setText("x");
    textView.setClickable(false);
  }

  @Override
  public void addNought(BoardCoordinate xy) {
    TextView textView = imageButtons[xy.getX()][xy.getY()];
    textView.setText("O");
    textView.setClickable(false);
  }

  @Override
  public void setCurrentPlayerName(String currentPlayer) {
    titleView.setText("Current Player: " + currentPlayer);
  }

  @Override
  public void setPlayerWon(String playerName) {
    titleView.setText("Player won: " + playerName + "!!!");
  }

  @Override
  public void setPlayerTie() {
    titleView.setText("Tie game!");
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