MainActivity.kt

package com.example.pc.tictactoy

import android.graphics.Color
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.ArrayAdapter
import android.widget.Button
import android.widget.Toast
import x.android.synthetic.*

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
    }


    protected fun buClick(view: View) {
        val buSelected: Button = view as Button
        var cellID = 0
        when (buSelected.id) {
            R.id.bu1 -> cellID = 1
            R.id.bu2 -> cellID = 2
            R.id.bu3 -> cellID = 3
            R.id.bu4 -> cellID = 4
            R.id.bu5 -> cellID = 5
            R.id.bu6 -> cellID = 6
            R.id.bu7 -> cellID = 7
            R.id.bu8 -> cellID = 8
            R.id.bu9 -> cellID = 9
        }

        //Toast.makeText(this,"ID:"+ cellID, Toast.LENGTH_LONG).show()

        PlayGame(cellID, buSelected)
    }

    var player1 = ArrayList<Int>()
    var player2 = ArrayList<Int>()
    var activePlayer = 1

    fun PlayGame(cellID: Int, buSelected: Button) {
        if (activePlayer == 1) {
            buSelected.text = "X"
            buSelected.setBackgroundResource(R.color.blue)
            player1.add(cellID)
            activePlayer = 2
        } else {
            buSelected.text = "O"
            buSelected.setBackgroundResource(R.color.green)
            player2.add(cellID)
            activePlayer = 1
        }

        buSelected.isEnabled = false
        CheckWiner()
    }

    fun CheckWiner() {
        var winer = -1

        //row 1
        if (player1.contains(1) && player1.contains(2) && player1.contains(3)) {
            winer = 1
        }
        if (player2.contains(1) && player2.contains(2) && player2.contains(3)) {
            winer = 2
        }

        //row 2
        if (player1.contains(4) && player1.contains(5) && player1.contains(6)) {
            winer = 1
        }
        if (player2.contains(4) && player2.contains(5) && player2.contains(6)) {
            winer = 2
        }

        //row 3
        if (player1.contains(7) && player1.contains(8) && player1.contains(9)) {
            winer = 1
        }
        if (player2.contains(7) && player2.contains(8) && player2.contains(9)) {
            winer = 2
        }

        //kolumna 1
        if (player1.contains(1) && player1.contains(4) && player1.contains(7)) {
            winer = 1
        }
        if (player2.contains(1) && player2.contains(4) && player2.contains(7)) {
            winer = 2
        }

        //kolumna 2
        if (player1.contains(2) && player1.contains(5) && player1.contains(8)) {
            winer = 1
        }
        if (player2.contains(2) && player2.contains(5) && player2.contains(8)) {
            winer = 2
        }

        //kolumna 3
        if (player1.contains(3) && player1.contains(6) && player1.contains(9)) {
            winer = 1
        }
        if (player2.contains(3) && player2.contains(6) && player2.contains(9)) {
            winer = 2
        }

        //ukos 1
        if (player1.contains(1) && player1.contains(5) && player1.contains(9)) {
            winer = 1
        }
        if (player2.contains(1) && player2.contains(5) && player2.contains(9)) {
            winer = 2
        }

        //ukos 2
        if (player1.contains(3) && player1.contains(5) && player1.contains(7)) {
            winer = 1
        }
        if (player2.contains(3) && player2.contains(5) && player2.contains(7)) {
            winer = 2
        }

        if (winer != -1) {
            if (winer == 1) {
                Toast.makeText(this, " Player 1 win the game", Toast.LENGTH_LONG).show()
            } else {
                Toast.makeText(this, " Player 2 win the game", Toast.LENGTH_LONG).show()
            }
        }
    }
}