android扫雷代码

以下是一个简单的 Android 扫雷游戏的示例代码，供参考：

MainActivity.java：

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.GridLayout;
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
import java.util.Random;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private static final int MINE_NUMBER = 10;
    private static final int ROW_NUMBER = 10;
    private static final int COL_NUMBER = 10;

    private int[][] mGameBoard = new int[ROW_NUMBER][COL_NUMBER];
    private Button[][] mButtons = new Button[ROW_NUMBER][COL_NUMBER];
    private boolean[][] mIsMine = new boolean[ROW_NUMBER][COL_NUMBER];
    private boolean[][] mIsOpened = new boolean[ROW_NUMBER][COL_NUMBER];
    private boolean mIsGameOver = false;
    private TextView mTvResult;
    private GridLayout mGridLayout;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mTvResult = findViewById(R.id.tv_result);
        mGridLayout = findViewById(R.id.grid_layout);

        initGameBoard();
        initButtons();
    }

    @Override
    public void onClick(View v) {
        if (mIsGameOver) {
            return;
        }

        int row = (int) v.getTag(R.id.tag_row);
        int col = (int) v.getTag(R.id.tag_col);

        if (mIsOpened[row][col]) {
            return;
        }

        if (mIsMine[row][col]) {
            revealAllMines();
            mTvResult.setText("You lose!");
            mIsGameOver = true;
            return;
        }

        openCell(row, col);

        if (checkWin()) {
            revealAllMines();
            mTvResult.setText("You win!");
            mIsGameOver = true;
        }
    }

    private void initGameBoard() {
        int cnt = 0;
        Random random = new Random();

        while (cnt < MINE_NUMBER) {
            int row = random.nextInt(ROW_NUMBER);
            int col = random.nextInt(COL_NUMBER);

            if (!mIsMine[row][col]) {
                mIsMine[row][col] = true;
                cnt++;
            }
        }

        for (int i = 0; i < ROW_NUMBER; i++) {
            for (int j = 0; j < COL_NUMBER; j++) {
                if (!mIsMine[i][j]) {
                    int cntMine = countNeighborMine(i, j);
                    mGameBoard[i][j] = cntMine;
                }
            }
        }
    }

    private void initButtons() {
        for (int i = 0; i < ROW_NUMBER; i++) {
            for (int j = 0; j < COL_NUMBER; j++) {
                Button button = new Button(this);
                button.setTag(R.id.tag_row, i);
                button.setTag(R.id.tag_col, j);
                button.setOnClickListener(this);
                mButtons[i][j] = button;
                mGridLayout.addView(button);
            }
        }
    }

    private int countNeighborMine(int row, int col) {
        int cnt = 0;

        for (int i = row - 1; i <= row + 1; i++) {
            for (int j = col - 1; j <= col + 1; j++) {
                if (i < 0 || i >= ROW_NUMBER || j < 0 || j >= COL_NUMBER) {
                    continue;
                }

                if (mIsMine[i][j]) {
                    cnt++;
                }
            }
        }

        return cnt;
    }

    private void openCell(int row, int col) {
        mIsOpened[row][col] = true;
        mButtons[row][col].setEnabled(false);

        if (mGameBoard[row][col] > 0) {
            mButtons[row][col].setText(String.valueOf(mGameBoard[row][col]));
            return;
        }

        for (int i = row - 1; i <= row + 1; i++) {
            for (int j = col - 1; j <= col + 1; j++) {
                if (i < 0 || i >= ROW_NUMBER || j < 0 || j >= COL_NUMBER) {
                    continue;
                }

                if (mIsOpened[i][j]) {
                    continue;
                }

                openCell(i, j);
            }
        }
    }

    private boolean checkWin() {
        for (int i = 0; i < ROW_NUMBER; i++) {
            for (int j = 0; j < COL_NUMBER; j++) {
                if (!mIsMine[i][j] && !mIsOpened[i][j]) {
                    return false;
                }
            }
        }

        return true;
    }

    private void revealAllMines() {
        for (int i = 0; i < ROW_NUMBER; i++) {
            for (int j = 0; j < COL_NUMBER; j++) {
                if (mIsMine[i][j]) {
                    mButtons[i][j].setText("X");
                }
            }
        }
    }
}

activity_main.xml:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:id="@+id/tv_result"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="24sp"
        android:textStyle="bold"
        android:textAlignment="center"
        android:text=""/>

    <GridLayout
        android:id="@+id/grid_layout"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:columnCount="10"
        android:rowCount="10"/>

</LinearLayout>

注意：该示例代码仅供学习参考，可能存在不足之处，使用时请注意安全。