安卓开发_数独游戏基础

  1 package myview;
  2 
  3 import xqx.shudu.Game;
  4 import xqx.shudu.R;
  5 import xqx.shudu.SelectDialog;
  6 
  7 import android.app.AlertDialog;
  8 import android.app.AlertDialog.Builder;
  9 import android.content.Context;
 10 import android.content.DialogInterface;
 11 import android.graphics.Canvas;
 12 import android.graphics.Color;
 13 import android.graphics.Paint;
 14 import android.graphics.Paint.Align;
 15 import android.graphics.Paint.FontMetrics;
 16 import android.graphics.Paint.Style;
 17 import android.view.LayoutInflater;
 18 import android.view.MotionEvent;
 19 import android.view.View;
 20 import android.widget.TextView;
 21 import android.widget.Toast;
 22 
 23 public class ShuduView extends View{
 24     //记录单元格的高度和宽度
 25     private float width;
 26     private float height;
 27     private Game game = new Game();
 28     int selectx;
 29     int selecty;
 30     public ShuduView(Context context) {
 31         super(context);
 32         // TODO Auto-generated constructor stub
 33     }
 34     @Override
 35     protected void onSizeChanged(int w, int h, int oldw, int oldh) {
 36         // TODO Auto-generated method stub
 37         //计算当前单元格的宽度和高度
 38         this.width  = w/9f;//每一格的宽度
 39         this.height = h/9f;//每一格的高度
 40         super.onSizeChanged(w, h, oldw, oldh);
 41     }
 42     @Override
 43     protected void onDraw(Canvas canvas) {
 44         // TODO Auto-generated method stub
 45         //1、绘制背景
 46         Paint bgpaint = new Paint();
 47         bgpaint.setColor(Color.GRAY);
 48         //绘制背景色
 49         canvas.drawRect(0, 0, getWidth(), getHeight(), bgpaint);
 50         
 51         Paint drakpaint = new Paint();
 52         drakpaint.setColor(Color.WHITE);
 53         
 54         Paint whitepaint = new Paint();
 55         whitepaint.setColor(Color.BLACK);
 56         
 57         for (int i = 0; i < 9; i++) {
 58             //绘制横向的单元格线
 59             canvas.drawLine(0, i*height, getWidth(), i*height, whitepaint);
 60             canvas.drawLine(0, i*height+1, getWidth(), i*height+1, whitepaint);
 61             //绘制纵向的单元格的线
 62             canvas.drawLine(i*width, 0, i*width, getHeight(), whitepaint);
 63             canvas.drawLine(i*width+1, 0, i*width+1, getHeight(), whitepaint);
 64         }
 65         //绘制横竖各三条分割线
 66         for (int i = 0; i < 9; i++) {
 67             if(i%3!=0)
 68             {
 69                 continue;
 70             }
 71             //绘制横向的单元格线
 72             canvas.drawLine(0, i*height, getWidth(), i*height, drakpaint);
 73             canvas.drawLine(0, i*height+1, getWidth(), i*height+1, drakpaint);
 74             //绘制纵向的单元格的线
 75             canvas.drawLine(i*width, 0, i*width, getHeight(), drakpaint);
 76             canvas.drawLine(i*width+1, 0, i*width+1, getHeight(), drakpaint);
 77         }
 78         //绘制数字
 79         Paint numberpaint = new Paint();
 80         numberpaint.setColor(Color.BLACK);
 81         numberpaint.setStyle(Style.STROKE);
 82         numberpaint.setTextSize((float) (height*0.75));
 83         numberpaint.setTextAlign(Align.CENTER);//居中对齐
 84         
 85         FontMetrics fm = numberpaint.getFontMetrics();
 86         float x = width/2;
 87         float y = height/2-(fm.ascent-fm.descent)/2;
 88         // 计算文字高度 
 89         float fontHeight = fm.bottom - fm.top; 
 90         // 计算文字baseline 
 91         float textBaseY = height - (height - fontHeight) / 2 - fm.bottom;         
 92         //canvas.drawText("1", 3*width+x, textBaseY, numberpaint);
 93         //绘制数字
 94         for(int i=0;i<9;i++)
 95         {
 96             for(int j=0; j<9;j++)
 97             {
 98                 canvas.drawText(game.getTitlStringe(i,j), i*width+x, j*height+textBaseY, numberpaint);
 99             }
100         }
101         super.onDraw(canvas);
102     }
103     //触摸事件
104     @Override
105     public boolean onTouchEvent(MotionEvent event) {
106         // TODO Auto-generated method stub
107         if(event.getAction()!=MotionEvent.ACTION_DOWN)
108         {
109             return super.onTouchEvent(event);
110         }
111         
112         //得到点击位置的x,y坐标
113          selectx = (int) (event.getX()/width);
114          selecty = (int) (event.getY()/height);
115         
116         int used[] = game.getused(selectx,selecty);
117         StringBuffer strbuf = new StringBuffer();
118         for(int i=0;i<used.length;i++)
119         {
120             strbuf.append(used[i]+"、");
121         }
122 
123 
124         SelectDialog seldia = new SelectDialog(getContext(),used,this);
125         seldia.show();
126         return true;
127     
128     }
129     
130     //View类接受KeyDialog传递过来的数据，调用业务逻辑Game类，进行处理  
131     public void setSelectTile(int tile)  
132     {  
133         if(game.setTileIfValid(selectx,selecty,tile))  
134         {  
135             invalidate();//重新绘制View对象  
136         }  
137     }  
138 }

  1 package xqx.shudu;
  2 
  3 public class Game {
  4     //数独数据初始化
  5     private final String str = "360000000" +
  6                                "004230800" +
  7                                "000004200" +
  8                                "070460003" +
  9                                "820000014" +
 10                                "500013020" +
 11                                "001900000" +
 12                                "007048300" +
 13                                "000000045";
 14     private int shuduku[]=new int[9*9];
 15     //用来存储每个单元格不可填写的数字
 16     //1维 x坐标 2维 y坐标 3维 不可填写数字
 17     private int used[][][]=new int[9][9][];
 18     public Game(){
 19         shuduku = fromPuzzleString(str);
 20         calAllused();
 21     }
 22     
 23     //根据字符串数据生成整型数组
 24     public int[] fromPuzzleString(String str2) {
 25         // TODO Auto-generated method stub
 26         int shudu[] = new int[str2.length()];
 27         for(int i=0;i<shudu.length;i++)
 28         {
 29             shudu[i]=str2.charAt(i)-‘0‘; //吧字符转换为数字
 30         }
 31         return shudu;
 32     }
 33 
 34     //根据九宫格坐标返回该坐标所应该填写的数字
 35     public int getTitile(int x,int y){
 36         return shuduku[y*9+x];
 37     }
 38     
 39     public String getTitlStringe(int x,int y){
 40         int v = getTitile(x, y);
 41         if(v==0){
 42             return "";
 43         }
 44         else
 45         {
 46             return String.valueOf(v);
 47         }
 48     }
 49     
 50     //计算某单元格已经不可填写的数字
 51     public int[] calUsed(int x,int y){
 52         int c[]= new int[9];
 53         
 54         //判断y这一列，如果遍历他自己 ，跳过，如果遍历单元格数字不为0，则放入数组中
 55         for(int i=0;i<9;i++)
 56         {
 57             if(i==y)
 58                 continue;
 59             int t = getTitile(x, i);
 60             if(t!=0)
 61                 c[t-1]=t;
 62         }
 63         //判断x这一行，如果遍历他自己 ，跳过，如果遍历单元格数字不为0，则放入数组中
 64         for(int i=0;i<9;i++)
 65         {
 66             if(i==x)
 67                 continue;
 68             int t = getTitile(i, y);
 69             if(t!=0)
 70                 c[t-1]=t;
 71         }
 72         //判断该单元格所在的九宫格出现的数字并放入不可填写数字数组当中
 73         int startx = (x/3)*3;
 74         int starty = (y/3)*3;
 75         for(int i=startx;i<startx+3;i++)
 76         {
 77             for(int j=starty;j<starty+3;j++)
 78             {
 79                 if(i==x&&j==y)
 80                     continue;
 81                 int t = getTitile(i, j);
 82                 if(t!=0)
 83                 {
 84                     c[t-1]=t;
 85                 }
 86             }
 87         }
 88         
 89         int nused = 0;
 90         for(int t:c){
 91             if(t!=0)
 92                 nused++;
 93         }
 94         int c1[] = new int[nused];
 95         nused=0;
 96         for(int t:c){
 97             if(t!=0)
 98             {
 99                 c1[nused++]=t;
100             }
101         }
102         
103         return c;
104     }
105     
106     //计算所有单元格不可用数字数组
107     public void calAllused(){
108         for(int x=0;x<9;x++)
109         {
110             for(int y=0;y<9;y++){
111                 used[x][y]=calUsed(x, y);
112             }
113         }
114     }
115     
116     //得到该单元格不可用数字
117     public int[] getused(int x,int y){
118         return used[x][y];
119     }
120      //接收KeyDialog中点击的数字  
121     public boolean setTileIfValid(int x, int y, int value)  
122     {  
123         int[] tiles = getused(x, y);//得到不可用的数据  
124       
125           
126         if (value != 0)  
127         {  
128             for (int t : tiles)  
129             {  
130                 if (t == value)  
131                     return false;  
132             }  
133         }  
134         setSelectNum(x, y, value);//将对应的值value绘制在xy对应的格子中  
135         calAllused();//重新计算所有格子的不可用数据  
136   
137         return true;  
138     }  
139     
140     //在数独数组中更改填写后的数字
141     private void setSelectNum(int x, int y, int num) {
142         // TODO Auto-generated method stub
143         shuduku[y*9+x]=num;
144     }
145 }
146                             

 1 package xqx.shudu;
 2 
 3 import myview.ShuduView;
 4 import android.app.Dialog;
 5 import android.content.Context;
 6 import android.os.Bundle;
 7 import android.view.View;
 8 import android.widget.Toast;
 9 
10 public class SelectDialog extends Dialog{
11     int q;
12     //当dialog第一次显示时会调用其onCreate方法
13     //用来存放对话框中按钮对象
14     private ShuduView shuduview;
15     private  View key[] = new View[9];
16     private  int used[];
17     public SelectDialog(Context context, int used[],ShuduView shuduview) {
18         
19         
20         super(context);
21         this.used=used;
22         this.shuduview = shuduview;
23         // TODO Auto-generated constructor stub
24     }
25 
26     @Override
27     protected void onCreate(Bundle savedInstanceState) {
28         // TODO Auto-generated method stub
29         super.onCreate(savedInstanceState);
30         setTitle("选择填入的数字");
31         setContentView(R.layout.shudu_diolag);//设置布局文件
32         findView();
33         
34         for(int i=0;i<used.length;i++)
35         {
36             if(used[i]!=0)
37             {
38                 key[used[i]-1].setVisibility(View.INVISIBLE);
39             }
40         }
41         //为对话框中所有内容设置监听器
42         setListener();
43     }
44 
45     //为按钮设置监听器
46         public void setListener()
47         {
48             for(int i = 0; i<key.length; i++)
49             {
50                 final int t = i+1;
51                 key[i].setOnClickListener(new View.OnClickListener()
52                 {
53                     
54                     @Override
55                     public void onClick(View v)
56                     {
57                         // TODO Auto-generated method stub
58                         returnResult(t);
59                     }
60                 });
61             }
62         }
63         
64         //对话框将选择的数据传递给View对象，让其处理业务逻辑
65         public void returnResult(int tile)
66         {
67             shuduview.setSelectTile(tile);
68             dismiss();
69         }
70     
71 
72     private void findView() {
73         // TODO Auto-generated method stub
74         key[0] = findViewById(R.id.btn_1);
75         key[1] = findViewById(R.id.btn_2);
76         key[2] = findViewById(R.id.btn_3);
77         key[3] = findViewById(R.id.btn_4);
78         key[4] = findViewById(R.id.btn_5);
79         key[5] = findViewById(R.id.btn_6);
80         key[6] = findViewById(R.id.btn_7);
81         key[7] = findViewById(R.id.btn_8);
82         key[8] = findViewById(R.id.btn_9);
83     }
84 }

 1 package xqx.shudu;
 2 import myview.*;
 3 import android.os.Bundle;
 4 import android.app.Activity;
 5 import android.view.Menu;
 6 
 7 public class MainActivity extends Activity {
 8 
 9     @Override
10     protected void onCreate(Bundle savedInstanceState) {
11         super.onCreate(savedInstanceState);
12         setContentView(new ShuduView(this));
13 //        setContentView(R.layout.activity_main);
14     }
15 
16 
17     @Override
18     public boolean onCreateOptionsMenu(Menu menu) {
19         // Inflate the menu; this adds items to the action bar if it is present.
20         getMenuInflater().inflate(R.menu.main, menu);
21         return true;
22     }
23     
24 }

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:layout_gravity="center_horizontal"
 6     android:stretchColumns="*"
 7     android:orientation="vertical" >
 8     
 9     <TableRow >
10         <Button android:id="@+id/btn_1"
11             android:text="1"/>
12         <Button android:id="@+id/btn_2"
13             android:text="2"/>
14         <Button android:id="@+id/btn_3"
15             android:text="3"/>
16     </TableRow>
17     <TableRow >
18         <Button android:id="@+id/btn_4"
19             android:text="4"/>
20         <Button android:id="@+id/btn_5"
21             android:text="5"/>
22         <Button android:id="@+id/btn_6"
23             android:text="6"/>
24     </TableRow>
25     <TableRow >
26         <Button android:id="@+id/btn_7"
27             android:text="7"/>
28         <Button android:id="@+id/btn_8"
29             android:text="8"/>
30         <Button android:id="@+id/btn_9"
31             android:text="9"/>
32     </TableRow>
33 
34     <Button
35         android:id="@+id/btn_cannel"
36         android:layout_width="wrap_content"
37         android:layout_height="wrap_content"
38         android:text="取消" />
39     
40 </TableLayout>