XO, 16-23.10.2021, MainActivity.java

package com.example.myxogame;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.SeekBar;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    TextView tvRows, tvCols;
    SeekBar skbRows, skbCols;
    int rows, cols;

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

        tvRows = findViewById(R.id.tvRows);
        skbRows = findViewById(R.id.skbRows);
        tvCols = findViewById(R.id.tvCols);
        skbCols = findViewById(R.id.skbCols);

        rows = 4;
        skbRows.setProgress(rows);
        tvRows.setText("Rows = " + rows);

        cols = 4;
        skbCols.setProgress(cols);
        tvCols.setText("Cols = " + cols);

        skbRows.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                tvRows.setText("Rows = " + progress);
                rows = progress;
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

        skbCols.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                tvCols.setText("Cols = " + progress);
                cols = progress;
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });
    }

    public void startGame(View view) {
        int winCount = 0;
        switch (view.getId()) {
            case R.id.btnEasy:
                winCount = 3;
                break;
            case R.id.btnMedium:
                winCount = 4;
                break;
            case R.id.btnHard:
                winCount = 5;
                break;
        }

        if (winCount > 0) {
            Intent intent = new Intent(this, GameActivity.class);

            intent.putExtra("ROWS_COUNT", rows);
            intent.putExtra("COLS_COUNT", cols);
            intent.putExtra("WIN_COUNT", winCount);

            startActivity(intent);
        }

    }
}