package com.example.wuziqi; import android.graphics.Point; import java.util.List;/** * Created by Linux on 2016/4/8. */public class CheckWinner { private Point point1, point2; private int checkModel = Constants.HORIZONTAL; public boolean checkFiveInLineWinner(List points) { for (Point point : points) { int x = point.x; int y = point.y; if (checkHorizontal(x, y, points)) { return true; } else if (checkVertical(x, y, points)) { return true; } else if (checkLeftDiagonal(x, y, points)) { return true; } else if (checkRighttDiagonal(x, y, points)) { return true; } } return false; } private boolean check(int x, int y, List points, int checkOri) { int count = 1; for (int i = 1; i < Constants.MAX_COUNT_IN_LINE; i++) { switch (checkOri) { case Constants.HORIZONTAL: point1 = new Point(x - i, y); break; case Constants.VERTICAL: point1 = new Point(x, y - i); break; case Constants.LEFT_DIAGONAL: point1 = new Point(x - i, y + i); break; case Constants.RIGHT_DIAGONAL: point1 = new Point(x + i, y + i); break; } if (points.contains(point1)) { count++; } else { break; } } for (int i = 1; i < Constants.MAX_COUNT_IN_LINE; i++) { switch (checkOri) { case Constants.HORIZONTAL: point2 = new Point(x + i, y); break; case Constants.VERTICAL: point2 = new Point(x, y + i); break; case Constants.LEFT_DIAGONAL: point2 = new Point(x + i, y - i); break; case Constants.RIGHT_DIAGONAL: point2 = new Point(x - i, y - i); break; } if (points.contains(point2)) { count++; } else { break; } } if (count == Constants.MAX_COUNT_IN_LINE) { return true; } return false; } // 横向判断 private boolean checkHorizontal(int x, int y, List points) { checkModel = Constants.HORIZONTAL; return check(x, y, points, checkModel); } // 竖向判断 private boolean checkVertical(int x, int y, List points) { checkModel = Constants.VERTICAL; return check(x, y, points, checkModel); } // 左斜判断 private boolean checkLeftDiagonal(int x, int y, List points) { checkModel = Constants.LEFT_DIAGONAL; return check(x, y, points, checkModel); } // 右斜判断 private boolean checkRighttDiagonal(int x, int y, List points) { checkModel = Constants.RIGHT_DIAGONAL; return check(x, y, points, checkModel); }}
ChessBoardView.java
package com.example.wuziqi;import android.content.Context;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Paint;import android.graphics.Point;import android.media.MediaPlayer;import android.os.Bundle;import android.os.Parcelable;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View;import android.widget.Toast;import java.util.ArrayList;public class ChessBoardView extends View { // 棋盘的宽度，也是长度 private int mViewWidth; // 棋盘每格的长度 private float maxLineHeight; private Paint paint = new Paint(); // 定义黑白棋子的Bitmap private Bitmap mwhitePiece, mblackPiece; private float ratioPieceOfLineHeight = 3 * 1.0f / 4;// 判断当前落下的棋子是否是白色的private boolean mIsWhite = true;// 记录黑白棋子位置的列表private ArrayList mwhiteArray = new ArrayList<>();private ArrayList mblackArray = new ArrayList<>();// 游戏是否结束private boolean mIsGameOver;// 游戏结束，是否是白色方胜利private boolean mIsWhiteWinner;public ChessBoardView(Context context, AttributeSet attrs) { super(context, attrs); init();}private void init() { paint.setColor(0x88000000); paint.setAntiAlias(true); paint.setDither(true); paint.setStyle(Paint.Style.STROKE); mwhitePiece = BitmapFactory.decodeResource(getResources(), R.mipmap.stone_w2); mblackPiece = BitmapFactory.decodeResource(getResources(), R.mipmap.stone_b1);}@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int widthSize = MeasureSpec.getSize(widthMeasureSpec); int widthModel = MeasureSpec.getMode(widthMeasureSpec); int heightSize = MeasureSpec.getSize(heightMeasureSpec); int heightModel = MeasureSpec.getMode(heightMeasureSpec); int width = Math.min(widthSize, heightSize); if (widthModel == MeasureSpec.UNSPECIFIED) { width = heightSize; } else if (heightModel == MeasureSpec.UNSPECIFIED) { width = widthSize; } setMeasuredDimension(width, width);}@Overrideprotected void onDraw(Canvas canvas) { super.onDraw(canvas); // 绘制棋盘的网格 drawBoard(canvas); // 绘制棋盘的黑白棋子 drawPieces(canvas); // 检查游戏是否结束 checkGameOver();}// 检查游戏是否结束private void checkGameOver() { CheckWinner checkWinner = new CheckWinner(); boolean whiteWin = checkWinner.checkFiveInLineWinner(mwhiteArray); boolean blackWin = checkWinner.checkFiveInLineWinner(mblackArray); if (whiteWin || blackWin) { mIsGameOver = true; mIsWhiteWinner = whiteWin; String text = mIsWhiteWinner ? "白棋胜利" : "黑棋胜利"; Toast.makeText(getContext(), text, Toast.LENGTH_SHORT).show(); }}// 根据黑白棋子的数组绘制棋子private void drawPieces(Canvas canvas) { for (int i = 0, n = mwhiteArray.size(); i < n; i++) { Point whitePoint = mwhiteArray.get(i); float left = (whitePoint.x + (1 - ratioPieceOfLineHeight) / 2) * maxLineHeight; float top = (whitePoint.y + (1 - ratioPieceOfLineHeight) / 2) * maxLineHeight; canvas.drawBitmap(mwhitePiece, left, top, null); } for (int i = 0, n = mblackArray.size(); i < n; i++) { Point blackPoint = mblackArray.get(i); float left = (blackPoint.x + (1 - ratioPieceOfLineHeight) / 2) * maxLineHeight; float top = (blackPoint.y + (1 - ratioPieceOfLineHeight) / 2) * maxLineHeight; canvas.drawBitmap(mblackPiece, left, top, null); }}// 绘制棋盘的网线private void drawBoard(Canvas canvas) { int w = mViewWidth; float lineHeight = maxLineHeight; for (int i = 0; i < Constants.MAX_LINE; i++) { int startX = (int) (lineHeight / 2); int endX = (int) (w - lineHeight / 2); int y = (int) ((0.5 + i) * lineHeight); canvas.drawLine(startX, y, endX, y, paint); canvas.drawLine(y, startX, y, endX, paint); }}@Overrideprotected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); mViewWidth = w; maxLineHeight = mViewWidth * 1.0f / Constants.MAX_LINE; int pieceWidth = (int) (maxLineHeight * ratioPieceOfLineHeight); mwhitePiece = Bitmap.createScaledBitmap(mwhitePiece, pieceWidth, pieceWidth, false); mblackPiece = Bitmap.createScaledBitmap(mblackPiece, pieceWidth, pieceWidth, false);}@Overridepublic 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 point = getValidPoint(x, y); if (mwhiteArray.contains(point) || mblackArray.contains(point)) { return false; } if (mIsWhite) { mwhiteArray.add(point); } else { mblackArray.add(point); } invalidate(); mIsWhite = !mIsWhite; } return true;}private Point getValidPoint(int x, int y) { int validX = (int) (x / maxLineHeight); int validY = (int) (y / maxLineHeight); return new Point(validX, validY);}private static final String INSTANCE = "instance";private static final String INSTANCE_GAME_OVER = "instance_game_over";private static final String INSTANCE_WHITE_ARRAY = "instance_white_array";private static final String INSTANCE_BLACK_ARRAY = "instance_black_array";@Overrideprotected Parcelable onSaveInstanceState() { Bundle bundle = new Bundle(); bundle.putParcelable(INSTANCE, super.onSaveInstanceState()); bundle.putBoolean(INSTANCE_GAME_OVER, mIsGameOver); bundle.putParcelableArrayList(INSTANCE_BLACK_ARRAY, mblackArray); bundle.putParcelableArrayList(INSTANCE_WHITE_ARRAY, mwhiteArray); return bundle;}@Overrideprotected 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);}// 再来一局public void start() { mwhiteArray.clear(); mblackArray.clear(); mIsGameOver = false; mIsWhiteWinner = false; invalidate();}}
Constants.java
package com.example.wuziqi;/** * Created by Linux on 2016/4/8. */public class Constants { // 五子连珠 public final static int MAX_COUNT_IN_LINE = 5; // 棋盘的行数 final static int MAX_LINE = 25; // 检查的方向 final static int HORIZONTAL = 0; final static int VERTICAL = 1; final static int LEFT_DIAGONAL = 2; final static int RIGHT_DIAGONAL = 3;}
MainActivity.java
package com.example.wuziqi;import android.content.Intent;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.View;import androidx.appcompat.app.AppCompatActivity;public class MainActivity extends AppCompatActivity { private ChessBoardView chessBoardView;@Overrideprotected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); chessBoardView = (ChessBoardView) findViewById(R.id.boardView);}public void doClick(View v) { Intent intent = new Intent(MainActivity.this, MusicServer.class); switch (v.getId()) { case R.id.button1: this.startService(intent); break; case R.id.button2: this.stopService(intent); break; }}@Overridepublic boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); // 再来一局 if (id == R.id.action_setting) { chessBoardView.start(); return true; } return super.onOptionsItemSelected(item);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu_main, menu); return true;}
MusicServers.java
package com.example.wuziqi;import android.app.Service;import android.content.Intent;import android.media.MediaPlayer;import android.os.IBinder;import android.util.Log;public class MusicServer extends Service { private MediaPlayer mp; public IBinder onBind(Intent intent) { Log.e("Service", "onBind被调用"); mp.start(); return null; } public void onCreate() { Log.e("Service", "onCreate被调用"); mp = MediaPlayer.create(this, R.raw.yinyue); super.onCreate(); } public void onDestroy() { Log.e("Service", "onDestroy被调用"); mp.stop(); super.onDestroy(); } public int onStartCommand(Intent intent, int flags, int startId) { Log.e("Service", "onStartCommand被调用"); mp.start(); return super.onStartCommand(intent, flags, startId); } public boolean onUnbind(Intent intent) { Log.e("Service", "onUnbind被调用"); mp.stop(); return super.onUnbind(intent); }}
