TicTacToe

public class MainActivity extends AppCompatActivity {

    int activePlayer = 0;
    boolean gameIsActive = true;
    int[] gameState ={2,2,2,2,2,2,2,2,2};

    int[][] winningPositions = {{0,1,2},{3,4,5},{6,7,8},{0,3,6},{1,4,7},{2,5,8},{0,4,8},{2,4,6}};



    private GoogleApiClient client;

    public void dropIn(View view) {


        ImageView counter = (ImageView) view;

        System.out.println(counter.getTag().toString());

        int tappeCounter = Integer.parseInt(counter.getTag().toString());
        if (gameState[tappeCounter] == 2 && gameIsActive) {
            boolean gameIsOver = true;
            for (int counterState : gameState) {
                if (counterState == 2) gameIsOver = false;
            }
            gameState[tappeCounter] = activePlayer;
            counter.setTranslationY(-1000f);


            if (activePlayer == 0) {
                counter.setImageResource(R.drawable.off);
                activePlayer = 1;

            } else {
                counter.setImageResource(R.drawable.deff);
                activePlayer = 0;

            }
            counter.animate().translationYBy(1000).rotation(3600).setDuration(400);

            for (int[] winningPosition : winningPositions) {
                if (gameState[winningPosition[0]] == gameState[winningPosition[1]]
                        && gameState[winningPosition[1]] == gameState[winningPosition[2]]
                        && gameState[winningPosition[0]] != 2) {

                    String winner = "Deff´s";
                    if (gameState[winningPosition[0]] == 0) {
                        winner = "Off´s";
                    }
                    TextView winnerMessage = (TextView) findViewById(R.id.winnerMessage);
                    winnerMessage.setText(winner + " haben gewonnen!");
                    System.out.println(gameState[winningPosition[0]]);


                    LinearLayout layout = (LinearLayout) findViewById(R.id.playAgainLayout);
                    layout.setVisibility(View.VISIBLE);

                    gameIsActive = false;


                } else {

                    if (gameIsOver) {
                        TextView winnerMessage = (TextView) findViewById(R.id.winnerMessage);
                        winnerMessage.setText("Offenes Tor!");

                        LinearLayout layout = (LinearLayout) findViewById(R.id.playAgainLayout);
                        layout.setVisibility(View.VISIBLE);

                    }
                }
            }
        }
    }
    public void playAgain(View view) {
        gameIsActive = true;
        LinearLayout layout = (LinearLayout) findViewById(R.id.playAgainLayout);
        layout.setVisibility(View.INVISIBLE);

        activePlayer = 0;
        for (int i = 0; i < gameState.length; i++) {
            gameState[i] = 2;
        }
        GridLayout gridLayout = (GridLayout)findViewById(R.id.gridLayout);

        for(int i = 0; i<gridLayout.getChildCount(); i++){
            ((ImageView) gridLayout.getChildAt(i)).setImageResource(0);
        }
    }