Android 数独游戏工程源码

package com.haha; import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.RectF; import android.os.Bundle; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; import android.view.MenuItem.OnMenuItemClickListener; import android.view.MotionEvent; import android.view.View; public class MyGame extends Activity { int hard=8;//困难程度 int lvl=0;//当前游戏级别 int selX=0,selY=0;//保存当前选择的对象的坐标 int unitw;//单位长度 MyView myView;//自定义视图 int[][] data=new int[9][9]; int[][] oldData=new int[9][9]; private void setGameTitle(String title){ setTitle("数独[第"+(lvl+1)+"/"+easyData.length+"关]"+title+" -- blog.csdn.net/lijun7788"); } //初始化游戏 private void initGame(){ if(lvl>easyData.length-1){ msg("您已经通关了！！"); return; } String strData=easyData[lvl]; for(int i=0;i<strData.length();i++){ if(Math.random()*10>hard){ data[i%9][i/9]=0; } else{ data[i%9][i/9]=Integer.parseInt(""+strData.charAt(i)); } oldData[i%9][i/9]=data[i%9][i/9]; } selX=selY=0; myView.clearFocus(); setGameTitle(""); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); myView=new MyView(this); setContentView(myView); initGame(); } //键盘事件 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { switch (keyCode) { case KeyEvent.KEYCODE_DPAD_DOWN: selY++;break; case KeyEvent.KEYCODE_DPAD_UP: selY--;break; case KeyEvent.KEYCODE_DPAD_LEFT: selX--;break; case KeyEvent.KEYCODE_DPAD_RIGHT: selX++;break; case KeyEvent.KEYCODE_0: setData(0);break; case KeyEvent.KEYCODE_1: setData(1);break; case KeyEvent.KEYCODE_2: setData(2);break; case KeyEvent.KEYCODE_3: setData(3);break; case KeyEvent.KEYCODE_4: setData(4);break; case KeyEvent.KEYCODE_5: setData(5);break; case KeyEvent.KEYCODE_6: setData(6);break; case KeyEvent.KEYCODE_7: setData(7);break; case KeyEvent.KEYCODE_8: setData(8);break; case KeyEvent.KEYCODE_9: setData(9);break; default: return super.onKeyDown(keyCode, event); } if(selY>8) selY=0; if(selY<0) selY=8; if(selX>8) selX=0; if(selX<0) selX=8; chkGameOver(); myView.clearFocus(); return true; } //检查程序是否结束 private void chkGameOver() { if(isOver()){ setGameTitle("通过了"); } else{ setGameTitle(""); } } private boolean isOver(){ //判断横向的 for(int i=0;i<9;i++){ for(int j=0;j<9-1;j++){ if(data[i][j]==0) return false; for(int k=j+1;k<9;k++){ if(data[i][j]==data[i][k]) return false; } } } //判断纵向的 for(int i=0;i<9;i++){ for(int j=0;j<9-1;j++){ for(int k=j+1;k<9;k++){ if(data[j][i]==data[k][i]) return false; } } } for(int i=0;i<9;i++){ for(int j=0;j<9-1;j++){ for(int k=j+1;k<9;k++){ if(data[i/3*3+j/3][i%3*3+j%3]==data[i/3*3+k/3][i%3*3+k%3]) return false; } } } return true; } //设置数据 private void setData(int n) { //原有数据为零的可以清除和放置数据 if(oldData[selX][selY]==0) data[selX][selY]=n; } //自己从MyView派生一个View对象用于绘图 class MyView extends View{ //点击事件 @Override public boolean onTouchEvent(MotionEvent event) { //计算点击区域 int n=(int) (event.getX()/unitw); int m=(int) (event.getY()/unitw); if(n<9){selX=n;} if(m<9){selY=m;} clearFocus();//重绘 return super.onTouchEvent(event); } public MyView(Context context) { super(context); setFocusable(true);//允许获得焦点 setFocusableInTouchMode(true); } //计算单位长度 @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); unitw= ((w>h)?h:w)/9; } //绘图 @Override protected void onDraw(Canvas canvas) { int w=unitw; super.onDraw(canvas); //画背景 Paint background= createPaint(Color.parseColor("#E8F2FE")); canvas.drawRect(0,0,getWidth(),getHeight(),background); //画水平细 for(int i=0;i<=9;i++){ canvas.drawLine(i*w-1, 0, i*w-1,9*w, createPaint(Color.parseColor((i%3!=0)?"#999999":"#999999"))); canvas.drawLine(i*w, 0, i*w,9*w, createPaint((i%3!=0)?Color.WHITE:Color.BLACK) ); } //画垂直线 for(int i=0;i<=9;i++){ canvas.drawLine(0,i*w-1, 9*w,i*w-1, createPaint(Color.parseColor((i%3!=0)?"#999999":"#999999"))); canvas.drawLine(0,i*w, 9*w,i*w, createPaint((i%3!=0)?Color.WHITE:Color.BLACK)); } if(selX>-1 && selY>-1){ canvas.drawRect(getRect(),createPaint(Color.parseColor("#0000FF")) ); } //画数据 for(int i=0;i<9;i++){ for(int j=0;j<9;j++){ String dat=""+data[i][j]; if(!dat.equals("0")){ int c=Color.RED; if(oldData[i][j]==0){ if(i==selX && j==selY) c=Color.WHITE; else c=Color.BLACK; } canvas.drawText(dat, i*w+w/3, j*w+w/2+5,createPaint( c ) ); } } } } //获取要绘制的矩形范围 private RectF getRect() { return new RectF(selX*unitw+2, selY*unitw+2, selX*unitw+unitw-4,selY*unitw+unitw-4); } //创建一个填充画笔 private Paint createPaint(int color){ Paint p=new Paint(); p.setColor(color); return p; } } //重来 private void reDo(){ for(int i=0;i<9;i++){ for(int j=0;j<9;j++){ data[i][j]=oldData[i][j]; } } selX=selY=0; myView.clearFocus(); } //解题 private void showAll(){ String strData=easyData[lvl]; for(int i=0;i<strData.length();i++){ data[i%9][i/9]=Integer.parseInt(""+strData.charAt(i)); } myView.clearFocus(); } //对话框 private void msg(String msg){ new AlertDialog.Builder(this).setTitle("数独[hahaman李君出品]").setMessage(msg).show(); } //难易程度 private void selHard(){ new AlertDialog.Builder(this).setTitle("数独[hahaman李君出品]").setItems(new String[]{"简单","中等","困难"},new DialogInterface.OnClickListener() { public void onClick(DialogInterface arg0, int n) { if(n==0) hard=7; if(n==1) hard=6; if(n==2) hard=5; lvl=0; initGame(); } }).show(); } private void closeGame(){ this.finish(); } OnMenuItemClickListener mitemClick=new OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem mItem) { if(mItem.getTitle().equals("重来")){ reDo(); } if(mItem.getTitle().equals("解题")){ showAll(); } if(mItem.getTitle().equals("难易程度")){ selHard(); } if(mItem.getTitle().equals("退出")){ closeGame(); } if(mItem.getTitle().equals("重出题")){ initGame(); } if(mItem.getTitle().equals("下一关")){ if(lvl>easyData.length-1){ msg("已经通关了!"); return true; } lvl++; initGame(); } return true; } }; //创建菜单 @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add("重出题").setOnMenuItemClickListener(mitemClick); menu.add("重来").setOnMenuItemClickListener(mitemClick); menu.add("解题").setOnMenuItemClickListener(mitemClick);; menu.add("下一关").setOnMenuItemClickListener(mitemClick);; menu.add("难易程度").setOnMenuItemClickListener(mitemClick);; menu.add("退出").setOnMenuItemClickListener(mitemClick); return super.onCreateOptionsMenu(menu); } //关卡数据 private final String[] easyData =new String[]{ "427659183153278469986413725842531976571964832369827541618792354294