如何向游戏活动添加重试按钮，或者使用按钮在循环中运行代码？这是代码。
我只是想让我的应用程序只用重试按钮重启活动，而不是回到主菜单然后按开始游戏。 按下重试按钮后，应用必须保存分数并继续记分板。
public class TicTacToeActivity extends Activity {
// Represents the internal state of the game
private TicTacToeGame mGame;
// Buttons making up the board
private Button mBoardButtons[];
// Various text displayed
private TextView mInfoTextView;
private TextView mPlayerOneCount;
private TextView mTieCount;
private TextView mPlayerTwoCount;
private TextView mPlayerOneText;
private TextView mPlayerTwoText;
// Counters for the wins and ties
private int mPlayerOneCounter = 0;
private int mTieCounter = 0;
private int mPlayerTwoCounter = 0;
// Bools needed to see if player one goes first
// if the gameType is to be single or local multiplayer
// if it is player one's turn
// and if the game is over
private boolean mPlayerOneFirst = true;
private boolean mIsSinglePlayer = false;
private boolean mIsPlayerOneTurn = true;
private boolean mGameOver = false;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.main);
((Button) findViewById(R.id.button5)).setOnClickListener(new View.OnClickListener() {
public void onClick(View V) {
Log.d("DEBUG", "Retry Button Pressed!");
Intent intent = new Intent(TicTacToeActivity.this, TicTacToeActivity.class);
intent.putExtra("gameType", true);
startActivityForResult(intent, 0);
}
});
boolean mGameType = getIntent().getExtras().getBoolean("gameType");
// Initialize the buttons
mBoardButtons = new Button[mGame.getBOARD_SIZE()];
mBoardButtons[0] = (Button) findViewById(R.id.one);
mBoardButtons[1] = (Button) findViewById(R.id.two);
mBoardButtons[2] = (Button) findViewById(R.id.three);
mBoardButtons[3] = (Button) findViewById(R.id.four);
mBoardButtons[4] = (Button) findViewById(R.id.five);
mBoardButtons[5] = (Button) findViewById(R.id.six);
mBoardButtons[6] = (Button) findViewById(R.id.seven);
mBoardButtons[7] = (Button) findViewById(R.id.eight);
mBoardButtons[8] = (Button) findViewById(R.id.nine);
// setup the textviews
mInfoTextView = (TextView) findViewById(R.id.information);
mPlayerOneCount = (TextView) findViewById(R.id.humanCount);
mTieCount = (TextView) findViewById(R.id.tiesCount);
mPlayerTwoCount = (TextView) findViewById(R.id.androidCount);
mPlayerOneText = (TextView) findViewById(R.id.human);
mPlayerTwoText = (TextView) findViewById(R.id.android);
// set the initial counter display values
mPlayerOneCount.setText(Integer.toString(mPlayerOneCounter));
mTieCount.setText(Integer.toString(mTieCounter));
mPlayerTwoCount.setText(Integer.toString(mPlayerTwoCounter));
// create a new game object
mGame = new TicTacToeGame();
// start a new game
startNewGame(mGameType);
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.game_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
switch(item.getItemId())
{
case R.id.newGame:
startNewGame(mIsSinglePlayer);
break;
case R.id.exitGame:
TicTacToeActivity.this.finish();
break;
}
return true;
}
// start a new game
// clears the board and resets all buttons / text
// sets game over to be false
private void startNewGame(boolean isSingle)
{
this.mIsSinglePlayer = isSingle;
mGame.clearBoard();
for (int i = 0; i < mBoardButtons.length; i++)
{
mBoardButtons[i].setText("");
mBoardButtons[i].setEnabled(true);
mBoardButtons[i].setOnClickListener(new ButtonClickListener(i));
}
if (mIsSinglePlayer)
{
mPlayerOneText.setText("Human:");
mPlayerTwoText.setText("Android:");
if (mPlayerOneFirst)
{
mInfoTextView.setText(R.string.first_human);
mPlayerOneFirst = false;
}
else
{
mInfoTextView.setText(R.string.turn_computer);
int move = mGame.getComputerMove();
setMove(mGame.PLAYER_TWO, move);
mPlayerOneFirst = true;
}
}
else
{
mPlayerOneText.setText("Player One:");
mPlayerTwoText.setText("Player Two:");
if (mPlayerOneFirst)
{
mInfoTextView.setText(R.string.turn_player_one);
mPlayerOneFirst = false;
}
else
{
mInfoTextView.setText(R.string.turn_player_two);
mPlayerOneFirst = true;
}
}
mGameOver = false;
}
private class ButtonClickListener implements View.OnClickListener
{
int location;
public ButtonClickListener(int location)
{
this.location = location;
}
public void onClick(View view)
{
if (!mGameOver)
{
if (mBoardButtons[location].isEnabled())
{
if (mIsSinglePlayer)
{
setMove(mGame.PLAYER_ONE, location);
int winner = mGame.checkForWinner();
if (winner == 0)
{
mInfoTextView.setText(R.string.turn_computer);
int move = mGame.getComputerMove();
setMove(mGame.PLAYER_TWO, move);
winner = mGame.checkForWinner();
}
if (winner == 0)
mInfoTextView.setText(R.string.turn_human);
else if (winner == 1)
{
mInfoTextView.setText(R.string.result_tie);
mTieCounter++;
mTieCount.setText(Integer.toString(mTieCounter));
mGameOver = true;
}
else if (winner == 2)
{
mInfoTextView.setText(R.string.result_human_wins);
mPlayerOneCounter++;
mPlayerOneCount.setText(Integer.toString(mPlayerOneCounter));
mGameOver = true;
}
else
{
mInfoTextView.setText(R.string.result_android_wins);
mPlayerTwoCounter++;
mPlayerTwoCount.setText(Integer.toString(mPlayerTwoCounter));
mGameOver = true;
}
}
else
{
if (mIsPlayerOneTurn)
setMove(mGame.PLAYER_ONE, location);
else
setMove(mGame.PLAYER_TWO, location);
int winner = mGame.checkForWinner();
if (winner == 0)
{
if (mIsPlayerOneTurn)
{
mInfoTextView.setText(R.string.turn_player_two);
mIsPlayerOneTurn = false;
}
else
{
mInfoTextView.setText(R.string.turn_player_one);
mIsPlayerOneTurn = true;
}
}
else if (winner == 1)
{
mInfoTextView.setText(R.string.result_tie);
mTieCounter++;
mTieCount.setText(Integer.toString(mTieCounter));
mGameOver = true;
}
else if (winner == 2)
{
mInfoTextView.setText(R.string.result_player_one_wins);
mPlayerOneCounter++;
mPlayerOneCount.setText(Integer.toString(mPlayerOneCounter));
mGameOver = true;
mIsPlayerOneTurn = false;
}
else
{
mInfoTextView.setText(R.string.result_player_two_wins);
mPlayerTwoCounter++;
mPlayerTwoCount.setText(Integer.toString(mPlayerTwoCounter));
mGameOver = true;
mIsPlayerOneTurn = true;
}
}
}
}
}
}
// set move for the current player
private void setMove(char player, int location)
{
mGame.setMove(player, location);
mBoardButtons[location].setEnabled(false);
if (player == mGame.PLAYER_ONE)
mBoardButtons[location].setBackgroundDrawable(getResources().getDrawable(R.drawable.x));
else
mBoardButtons[location].setBackgroundDrawable(getResources().getDrawable(R.drawable.o));
}