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服务器之家 - 编程语言 - Android - Android自定义View实现五子棋游戏示例代码

Android自定义View实现五子棋游戏示例代码

2022-11-04 14:32HelloWord- Android

这篇文章主要为大家详细介绍了Android自定义View实现五子棋游戏,文中示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下

本文实例为大家分享了Android五子棋游戏的具体代码,供大家参考,具体内容如下

1、效果图:

Android自定义View实现五子棋游戏示例代码

2、GobangPanel棋盘面板:

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public class GobangPanel extends View {
 
 private int mPanelWidth;//棋盘的宽度
 private float mLineHeight;//行,高要为float
 private int MAX_LINE = 15;//棋盘行数
 private int MAX_COUNT_IN_LINE = 5;//设置赢棋子个数(6子棋设置为6)
 
 private Paint mPaint = new Paint();//画笔
 private Bitmap mWhitePiece;//白色棋子
 private Bitmap mBlackPiece;//黑色棋子
 
 private float ratioPieceOfLineHeight = 3 * 1.0f / 4;//2个棋子间3/4距离
 
 //白旗先手,当前轮到白棋了
 private boolean mIsWhite = true;
 private ArrayList<Point> mWhiteArray = new ArrayList<>();//白棋数组
 private List<Point> mBlackArray = new ArrayList<>();//黑骑数组
 
 private boolean mIsGameOver;//游戏是否结束
 private boolean mIsWhiteWinner;//白色棋子赢 true白子赢,false黑色赢
 
 public GobangPanel(Context context, AttributeSet attrs) {
  super(context, attrs);
  init();
 }
 
 /**
  * 初始化画笔参数
  */
 private void init() {
  mPaint.setColor(0x88000000);//Paint颜色 半透明灰色
  mPaint.setAntiAlias(true);//抗锯齿(边界明显变模糊)
  mPaint.setDither(true);//设置防抖动(图片柔和)
  mPaint.setStyle(Paint.Style.STROKE);//样式
  //黑、白棋资源图片
  mWhitePiece = BitmapFactory.decodeResource(getResources(), R.mipmap.white_bg);
  mBlackPiece = BitmapFactory.decodeResource(getResources(), R.mipmap.black_bg);
 }
 
 /**
  * 自定义View尺寸的规则
  */
 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  //宽和高
  int widthSize = MeasureSpec.getSize(widthMeasureSpec);
  int widthMode = MeasureSpec.getMode(widthMeasureSpec);
 
  int heightSize = MeasureSpec.getSize(heightMeasureSpec);
  int heightMode = MeasureSpec.getMode(heightMeasureSpec);
  int width = Math.max(widthSize, heightSize); //最大值
 
  if (widthMode == MeasureSpec.UNSPECIFIED) {
   width = heightSize;
  } else if (heightMode == MeasureSpec.UNSPECIFIED) {
   width = widthSize;
  }
  setMeasuredDimension(width, width);
 }
 
 /**
  * 控件大小发生改变时调用
  */
 protected void onSizeChanged(int w, int h, int oldw, int oldh) {
  super.onSizeChanged(w, h, oldw, oldh);
  mPanelWidth = w;//棋盘的宽高
  mLineHeight = mPanelWidth * 1.0f / MAX_LINE;
 
  int pieceWidth = (int) (mLineHeight * ratioPieceOfLineHeight); //比例
  mWhitePiece = Bitmap.createScaledBitmap(mWhitePiece, pieceWidth, pieceWidth, false);//棋子跟随控件变化
  mBlackPiece = Bitmap.createScaledBitmap(mBlackPiece, pieceWidth, pieceWidth, false);
 }
 
 //触摸焦点
 public boolean onTouchEvent(MotionEvent event) {
 
  if (mIsGameOver) return false;
  int action = event.getAction();
  if (action == MotionEvent.ACTION_UP) {
 
   int x = (int) event.getX();
   int y = (int) event.getY();
 
   Point p = getValidPoint(x, y);
   if (mWhiteArray.contains(p) || mBlackArray.contains(p)) {
    return false;
   }
   if (mIsWhite) {
    mWhiteArray.add(p);
   } else {
    mBlackArray.add(p);
   }
   invalidate();//重绘棋子
   mIsWhite = !mIsWhite;
  }
  return true;//感兴趣交给其处理
 }
 
 private Point getValidPoint(int x, int y) {
  return new Point((int) (x / mLineHeight), (int) (y / mLineHeight));
 }
 
 protected void onDraw(Canvas canvas) {
  super.onDraw(canvas);
  drawBoard(canvas);
  drawPieces(canvas);
  checkGameOver();
 }
 
 private static final String TAG = "GobangPanel";
 /**
  * 游戏结束方法
  */
 public void checkGameOver() {
  boolean whiteWin = checkFiveInLine(mWhiteArray);
  boolean blackWin = checkFiveInLine(mBlackArray);
  //黑棋或白棋赢游戏结束
  if (whiteWin || blackWin) {
   mIsGameOver = true;
   mIsWhiteWinner = whiteWin;
   if (null != listener) {
    listener.onFinish(mIsWhiteWinner);
    Log.e(TAG, "checkGameOver: 111111" );
   }
   Log.e(TAG, "checkGameOver: 222222" );
  }
 }
 
 /**
  * 判断棋子是否5个相邻【5个相连只有4中情况分别是:水平、垂直、左斜和右斜】
  */
 private boolean checkFiveInLine(List<Point> points) {
 
  for (Point p : points) {
   int x = p.x;
   int y = p.y;
   boolean win = checkLevel(x, y, points);
   if (win) return true;
   win = checkVetical(x, y, points);
   if (win) return true;
   win = checkLeftWin(x, y, points);
   if (win) return true;
   win = checkRightWin(x, y, points);
   if (win) return true;
  }
  return false;
 }
 
 /**
  * 判断x,y位置的棋子是否【水平】有相邻的五个一致
  */
 private boolean checkLevel(int x, int y, List<Point> points) {
  int count = 1;
  //横向左边棋子个数
  for (int i = 1; i < MAX_COUNT_IN_LINE; i++) {
   //如果有加1,没有重新计算是否有五个,否者中断
   if (points.contains(new Point(x - i, y))) {
    count++;
   } else {
    break;
   }
  }
  //有5个时则赢
  if (count == MAX_COUNT_IN_LINE) return true;
 
  //横向右边棋子个数
  for (int i = 1; i < MAX_COUNT_IN_LINE; i++) {
   //如果有加1,没有重新计算是否有五个,否者中断
   if (points.contains(new Point(x + i, y))) {
    count++;
   } else {
    break;
   }
  }
  //有5个时则赢
  if (count == MAX_COUNT_IN_LINE) return true;
  return false;
 }
 
 /**
  * 判断x,y位置的棋子是否[垂直]有相邻的五个一致
  */
 private boolean checkVetical(int x, int y, List<Point> points) {
  int count = 1;
  //上下棋子个数
  for (int i = 1; i < MAX_COUNT_IN_LINE; i++) {
   //如果有加1,没有重新计算是否有五个,否者中断
   if (points.contains(new Point(x, y - i))) {
    count++;
   } else {
    break;
   }
  }
  //有5个时则赢,return true;
  if (count == MAX_COUNT_IN_LINE) return true;
 
  for (int i = 1; i < MAX_COUNT_IN_LINE; i++) {
   //如果有加1,没有重新计算是否有五个,否者中断
   if (points.contains(new Point(x, y + i))) {
    count++;
   } else {
    break;
   }
  }
  //有5个时则赢
  if (count == MAX_COUNT_IN_LINE) return true;
 
  return false;
 }
 
 /**
  * 判断x,y位置的棋子是否【左斜和右斜】有相邻的五个一致
  */
 private boolean checkLeftWin(int x, int y, List<Point> points) {
  int count = 1;
  //横向上下棋子个数
  for (int i = 1; i < MAX_COUNT_IN_LINE; i++) {
   //如果有加1,没有重新计算是否有五个,否者中断
   if (points.contains(new Point(x - i, y + i))) {
    count++;
   } else {
    break;
   }
  }
  //有5个时则赢,return true;
  if (count == MAX_COUNT_IN_LINE) return true;
 
  for (int i = 1; i < MAX_COUNT_IN_LINE; i++) {
   //如果有加1,没有重新计算是否有五个,否者中断
   if (points.contains(new Point(x + i, y - i))) {
    count++;
   } else {
    break;
   }
  }
  //有5个时则赢
  if (count == MAX_COUNT_IN_LINE) return true;
 
  return false;
 }
 
 /**
  * 判断x,y位置的棋子是否【右斜】有相邻的五个一致
  */
 private boolean checkRightWin(int x, int y, List<Point> points) {
 
  int count = 1;
  //横向上下棋子个数
  for (int i = 1; i < MAX_COUNT_IN_LINE; i++) {
   //如果有加1,没有重新计算是否有五个,否者中断
   if (points.contains(new Point(x - i, y - i))) {
    count++;
   } else {
    break;
   }
  }
  //有5个时则赢,return true;
  if (count == MAX_COUNT_IN_LINE) return true;
 
  for (int i = 1; i < MAX_COUNT_IN_LINE; i++) {
   //如果有加1,没有重新计算是否有五个,否者中断
   if (points.contains(new Point(x + i, y + i))) {
    count++;
   } else {
    break;
   }
  }
  //有5个时则赢
  if (count == MAX_COUNT_IN_LINE) return true;
 
  return false;
 }
 
 private void drawPieces(Canvas canvas) {
  //白色棋子
  for (int i = 0, n = mWhiteArray.size(); i < n; i++) {
   Point whitePoint = mWhiteArray.get(i);
   canvas.drawBitmap(mWhitePiece,
     (whitePoint.x + (1 - ratioPieceOfLineHeight) / 2) * mLineHeight,
     (whitePoint.y + (1 - ratioPieceOfLineHeight) / 2) * mLineHeight, null);
  }
  //黑色棋子
  for (int i = 0, n = mBlackArray.size(); i < n; i++) {
   Point blackPoint = mBlackArray.get(i);
   canvas.drawBitmap(mBlackPiece,
     (blackPoint.x + (1 - ratioPieceOfLineHeight) / 2) * mLineHeight,
     (blackPoint.y + (1 - ratioPieceOfLineHeight) / 2) * mLineHeight, null);
  }
 }
 
 /**
  * 画格子棋盘
  */
 private void drawBoard(Canvas canvas) {
  int w = mPanelWidth;
  float lineHeight = mLineHeight;
  for (int i = 0; i < MAX_LINE; i++) {
   int startx = (int) (lineHeight / 2);//横坐标起点,终点
   int endX = (int) (w - lineHeight / 2);
   int y = (int) ((0.5 + i) * lineHeight);
   canvas.drawLine(startx, y, endX, y, mPaint);
   canvas.drawLine(y, startx, y, endX, mPaint);
  }
 }
 
 /**
  * 再来一局
  */
 public void start() {
  if (null != mWhiteArray && null != mBlackArray) {
   mWhiteArray.clear();//清除数据
   mBlackArray.clear();
  }
  mIsGameOver = false;
  mIsWhiteWinner = false;
  invalidate(); //再次调用
 }
 
 /**
  * 后台运行时,调用此方法,防止数据丢失
  */
 private static final String INSTANCE = "instance";
 private static final String INSTANCE_GAME_OVER = "instance_game_over"; //游戏结束
 private static final String INSTANCE_WHITE_ARRAY = "instance_white_array"; //白
 private static final String INSTANCE_BLACK_ARRAY = "instance_black_array";
 
 /**
  * 保存数据
  */
 protected Parcelable onSaveInstanceState() {
  Bundle bundle = new Bundle();
  bundle.putParcelable(INSTANCE, super.onSaveInstanceState());
  bundle.putBoolean(INSTANCE_GAME_OVER, mIsGameOver);
  bundle.putParcelableArrayList(INSTANCE_WHITE_ARRAY, mWhiteArray);
  bundle.putParcelableArrayList(INSTANCE_BLACK_ARRAY, mWhiteArray);
  return bundle;
 }
 
 /**
  * 恢复时调用
  */
 protected void onRestoreInstanceState(Parcelable state) {
  if (state instanceof Bundle) {
   Bundle bundle = (Bundle) state;
   mIsGameOver = bundle.getBoolean(INSTANCE_GAME_OVER);
   mWhiteArray = bundle.getParcelableArrayList(INSTANCE_WHITE_ARRAY);
   mBlackArray = bundle.getParcelableArrayList(INSTANCE_BLACK_ARRAY);
   super.onRestoreInstanceState(bundle.getParcelable(INSTANCE));
   return;
  }
  super.onRestoreInstanceState(state);
 }
 
 /**
  * 游戏结束回调
  */
 public OnFinishListener listener;
 
 public void setListener(OnFinishListener listener) {
  this.listener = listener;
 }
 
 public interface OnFinishListener {
 
  void onFinish(boolean mIsWhiteWinner);
 }
}

3、使用MainActivity

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public class MainActivity extends AppCompatActivity {
 
 private GobangPanel panel;
 
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  panel = this.findViewById(R.id.gobang_panel);
  panel.setListener(new GobangPanel.OnFinishListener() {
   @Override
   public void onFinish(boolean mIsWhiteWinner) {
    initDialog(mIsWhiteWinner);
   }
  });
 }
 
 /**
  * 初始化弹框
  */
 private void initDialog(boolean mIsWhiteWinner) {
  AlertDialog dialog = new AlertDialog.Builder(this)
    //.setTitle("这是标题")
    .setMessage(mIsWhiteWinner ? "白棋胜利,是否重新开始?" : "黑棋胜利,是否重新开始?")
    //.setIcon(R.mipmap.ic_launcher)
    .setPositiveButton("确定", new DialogInterface.OnClickListener() {//添加"Yes"按钮
     @Override
     public void onClick(DialogInterface dialogInterface, int i) {
      panel.start();
     }
    })
//    .setNegativeButton("取消", new DialogInterface.OnClickListener() {//添加取消
//     @Override
//     public void onClick(DialogInterface dialogInterface, int i) {
//      Toast.makeText(MainActivity.this, "这是取消按钮", Toast.LENGTH_SHORT).show();
//     }
//    })
    //方法一:setCanceledOnTouchOutside(false);按对话框以外的地方不起作用。按返回键起作用
    //方法二:setCanceleable(false);按对话框以外的地方不起作用。按返回键也不起作用
    .setCancelable(false)
    .create();
  dialog.show();
 }
}

对应布局文件:activity_main:

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<HorizontalScrollView xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:background="#fff"
 tools:context=".MainActivity">
 
 <ScrollView
  android:layout_width="match_parent"
  android:layout_height="match_parent">
  <com.helloworld.game.GobangPanel
   android:id="@+id/gobang_panel"
   android:layout_width="1000dp"
   android:layout_height="1000dp"
   android:layout_centerInParent="true" />
 </ScrollView>
</HorizontalScrollView>

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。

原文链接:https://blog.csdn.net/qq_34536167/article/details/86773161

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