medium_kotlin_tic_tac_show_winner_MainActivity.kt

fun FindWinner(){
    var winner= -1
    // row 1
    if (Player1.contains(1)&& Player1.contains(2)&& Player1.contains(3)){
        winner=1
    }
    if (Player2.contains(1)&& Player2.contains(2)&& Player2.contains(3)){
        winner=2
    }
    // row 2
    if (Player1.contains(4)&& Player1.contains(5)&& Player1.contains(6)){
        winner=1
    }
    if (Player2.contains(4)&& Player2.contains(5)&& Player2.contains(6)){
        winner=2
    }
    // row 3
    if (Player1.contains(7)&& Player1.contains(8)&& Player1.contains(9)){
        winner=1
    }
    if (Player2.contains(7)&& Player2.contains(8)&& Player2.contains(9)){
        winner=2
    }

    // col 1
    if (Player1.contains(1)&& Player1.contains(4)&& Player1.contains(7)){
        winner=1
    }
    if (Player2.contains(1)&& Player2.contains(4)&& Player2.contains(7)){
        winner=2
    }
    // col 2
    if (Player1.contains(2)&& Player1.contains(5)&& Player1.contains(8)){
        winner=1
    }
    if (Player2.contains(2)&& Player2.contains(5)&& Player2.contains(8)){
        winner=2
    }
    // col 3
    if (Player1.contains(3)&& Player1.contains(6)&& Player1.contains(9)){
        winner=1
    }
    if (Player2.contains(3)&& Player2.contains(6)&& Player2.contains(9)){
        winner=2
    }
    // Diagonal 1
    if (Player1.contains(1)&& Player1.contains(5)&& Player1.contains(9)){
        winner=1
    }
    if (Player2.contains(1)&& Player2.contains(5)&& Player2.contains(9)){
        winner=2
    }
    // Diagonal 2
    if (Player1.contains(3)&& Player1.contains(5)&& Player1.contains(7)){
        winner=1
    }
    if (Player2.contains(3)&& Player2.contains(5)&& Player2.contains(7)){
        winner=2
    }

    if (winner != -1){
        if (winner==1){
          //  Toast.makeText(this,"Player 1 is Winner\n\nWould You like to play again",Toast.LENGTH_LONG).show()
             AlertDialog.Builder(this@TicTacToy).setTitle("Winner").setMessage("Mr. Gray is Winner\n\nWould You like to play again").setPositiveButton("Yes"){
                dialog, which ->
                startActivity(Intent(this, TicTacToy::class.java))
            }.setNegativeButton("No"){
                dialog, which ->
                startActivity(Intent(this, MainActivity::class.java))
            }.create().show()
        }
        else{
          //  Toast.makeText(this,"Player 2 is Winner",Toast.LENGTH_LONG).show()
            AlertDialog.Builder(this@TicTacToy).setTitle("Winner").setMessage("Mr. Blue is Winner\n\nWould You like to play again").setPositiveButton("Yes"){
                dialog, which ->
                startActivity(Intent(this, TicTacToy::class.java))
            }.setNegativeButton("No"){
                dialog, which ->
                startActivity(Intent(this, SomeActivity::class.java))
            }.create().show()
        }
    }
}