在数独数独游戏开发（一）当中 我们已经把数据填充到了相应的单元格，在数独游戏开发（二）中，我们继续为单元格设置点击事件，先获取不能使用的数字，然后通过自定义对话框把不可用的数字显示出来。(可理解使用过的数字)
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Game.java (增加不可用数字筛选)
/**
* 数独游戏开发（二）
* @author dandan
*
*/
public class Game {
//數獨初始化數據
private final String data = "360000000004230800000004200"+
"070460003820000014500013020"+
"001900000007048300000000045";
//存储整形数组
private int[] shuduku = new int[9*9];
public Game(){
shuduku = fromString(data);
calculateAllTiles();
}
//根據九宮格的坐標，返回坐標所對應的數字
private int getTile(int x,int y){
return shuduku[y*9+x];
}
//得到字符串
public String getStringTile(int x,int y){
int v = getTile(x,y);
if(v==0){
return "";
}
return String.valueOf(v);
}
//用来存储每个单元格不可用的数字
private static int user[][][] = new int[9][9][];
//计算每个单元格中不可用的数字
public int[] calculateUserTiles(int x,int y){
int[] c = new int[9];
for(int i=0;i<9;i++){
if(i==y){
continue;
}
int t = getTile(x,i);
if(t!=0){
c[t-1]=t;
}
}
for(int i=0;i<9;i++){
if(i==x){
continue;
}
int t = getTile(i,y);
if(t!=0){
c[t-1]=t;
}
}
int startx = (x/3)*3;
int starty = (y/3)*3;
for(int i=startx;i-
MyView.java (增加onTouchEvent && AlertDialog自定义)
/**
* 数独游戏开发（二）
* @author dandan
*
*/
public class MyView extends View{
private float widht,height;
private Game game = new Game();
//构造方法
public MyView(Context context) {
super(context);
}
//得到改变的视图宽和高
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
this.widht=w/9f;
this.height=h/9f;
super.onSizeChanged(w, h, oldw, oldh);
}
//画视图，⑨宫格
@Override
protected void onDraw(Canvas canvas) {
//用于生成背景色的画笔(共4种颜色的画笔)
Paint backgroundpaint = new Paint();
//设置画笔颜色
backgroundpaint.setColor(getResources().getColor(R.color.background));
//画出背景
canvas.drawRect(0, 0, getWidth(), getHeight(), backgroundpaint);
Paint darkpaint = new Paint();
darkpaint.setColor(getResources().getColor(R.color.dark));
Paint lightpaint = new Paint();
lightpaint.setColor(getResources().getColor(R.color.light));
Paint hilitepaint = new Paint();
hilitepaint.setColor(getResources().getColor(R.color.hilite));
//下面开始画线
for(int i=0;i<9;i++){
//画横线
canvas.drawLine(0, i*height, getWidth(), i*height, lightpaint);
canvas.drawLine(0, i*height+1, getWidth(), i*height+1, hilitepaint);
//画竖线
canvas.drawLine(i*widht,0,i*widht, getHeight(), lightpaint);
canvas.drawLine(i*widht+1,0,i*widht+1, getHeight(), hilitepaint);
}
//画外面的最清楚的4个深色的线
for(int i=0;i<9;i++){
if(i%3!=0){continue;}
//画横线
canvas.drawLine(0, i*height, getWidth(), i*height, darkpaint);
canvas.drawLine(0, i*height+1, getWidth(), i*height+1, hilitepaint);
//画竖线
canvas.drawLine(i*widht,0,i*widht, getHeight(), darkpaint);
canvas.drawLine(i*widht+1,0,i*widht+1, getHeight(), hilitepaint);
}
//框框里添加文本
Paint numpaint = new Paint();
numpaint.setColor(Color.BLACK);
numpaint.setStyle(Paint.Style.STROKE);
numpaint.setTextAlign(Paint.Align.CENTER);
numpaint.setTextSize(height*0.75f);
//數字的位置
FontMetrics fm = numpaint.getFontMetrics();
float x = widht/2;
float y = height/2-(fm.ascent+fm.descent)/2;
for(int i=0;i<9;i++){
for(int j=0;j<9;j++){
canvas.drawText(game.getStringTile(i,j), i*widht+x,j*height+y, numpaint);
}
}
super.onDraw(canvas);
}
//触摸每个单元格 则触发此方法
@Override
public boolean onTouchEvent(MotionEvent event) {
if(event.getAction()!=MotionEvent.ACTION_DOWN){
return super.onTouchEvent(event);
}
int selectx = (int) (event.getX()/widht);
int selecty = (int) (event.getY()/height);
//调用GAME类的方法（得到使用过的数字）
int used[] = Game.getUserTilesCoor(selectx,selecty);
//吧使用过的数字加载到 StringBuffer 里面去
StringBuffer sb = new StringBuffer();
for(int i=0;i-
演示：
shudu.gif
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源码地址：
链接：http://pan.baidu.com/s/1nvcUEbZ 密码：4bno