TimerTask not work as expected

Hi all, I am writing a simple monopoly board game, there're only 2
tokens, one is controlled by human, another by PC. I am trying to
make it turn based and move around the map step by step. Then when I
use TimerTask to trigger the step-forward movement, it's ok for the
token controlled by human, but for the PC one. It doesn't move as
expected. Below is part of the codes for Dice Roll button & Done
button.

// btnRoll() function
    public void btnRoll() {
        Timer timer = new Timer();
        final int index = turn - 1;
        boolean snakeEyes = false;
        Dice1 = (int)(Math.random() * 6 + 1);
        Dice2 = (int)(Math.random() * 6 + 1);

        if(Dice1 == Dice2) {
            snakeEyes = true;
            rolled = false;
        }
        else
            rolled = true;

            if(snakeEyes == true){
                tempFlagPlayer = true;
            }else{
                tempFlagPlayer = false;
            }
                timer.schedule(new TimerTask(){
                    private int temp = Dice1 + Dice2;
                    public void run(){
                        if (temp > 0){
            SystemLogHelper.debug("btnRoll()'s players.get(index): " + index);
movePlayer(players.get(index), tempFlagPlayer); // move player one
space each time
                            temp --;
                        }else{
            checkPlayerMovedStatus(players,tempFlagPlayer);
                            cancel();
                        }
                        repaint();
                    }
                }, 100L,100L);
        repaint();
    }

// PC turn
    public void AIturn(int tempNumOfPlayers){
     btnRoll();
     SystemLogHelper.info("players.get(turn-1): " +
players.get(turn-1).getName());
     SystemLogHelper.info("players.get(turn-1).getPosition(): " +
                players.get(turn-1).getPosition());
         if(propertymanager.Properties[players.get(turn-1).getPosition()]
[0] == 0){
         SystemLogHelper.info("enter btnBuy()");
         btnBuy();
         }
        if(rolled) btnDone(tempNumOfPlayers);
    }

// done button, next player's turn
    public void btnDone(int tempNumOfPlayers){
        rolled = false;
        if(this.getTurn() == tempNumOfPlayers){
            this.setTurn(1);
        }
        else{
            turn += 1;
            // SystemLogHelper.info("AI's this.getTurn(): " + turn);
            if((AutoPlayer)players.get(turn - 1) instanceof AutoPlayer){
                AIturn(tempNumOfPlayers);
            }
        }
        repaint();
    }

The main problem is, I found that
SystemLogHelper.info("players.get(turn-1): " +
players.get(turn-1).getName());
    and SystemLogHelper.info("players.get(turn-1).getPosition(): " +
players.get(turn-1).getPosition());
will run before the btnRoll() function.

how could I make sure that btnRoll() is done then go to the next
code?
Any help would be appreciated.