Android游戏开发之数独课时----4

新加了一个类：Game

package com.example.shudu_1;

public class Game {

private final String str="360000000"+

"004230800"+

"000004200"+

"070460003"+

"820000014"+

"500013020"+

"001900000"+

"007048300"+

"000000045";

private int sudoku[]=new int[9*9];

public Game(){

sudoku=fromPuzzleString(str);

}

private int getTile(int x,int y){

return sudoku[y*9+x];

}

public String getTileString(int x,int y){

int v=getTile(x, y);

if(v==0){

//当值为零的时候是不填写的

return "";

}else

return String.valueOf(v);

}

private int[] fromPuzzleString(String src) {

int []sudo=new int[src.length()];

for(int i=0;i<sudo.length;++i){

sudo[i]=src.charAt(i)-'0';

}

return sudo;

}

}

第二步：MyView

package com.example.shudu_1;

import android.content.Context;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.Paint.FontMetrics;

import android.support.v4.view.PagerAdapter;

import android.text.style.LineHeightSpan.WithDensity;

import android.view.View;

public class MyView extends View {

//设置单元格的宽度和高度

private float width;

private float height;

private Game game=new Game();

public MyView(Context context) {

super(context);

}

@Override

protected void onSizeChanged(int w, int h, int oldw, int oldh) {

//计算当前单元格的高度和宽度

this.width=w/9f;

this.height=h/9f;

super.onSizeChanged(w, h, oldw, oldh);

}

@Override

protected void onDraw(Canvas canvas) {

//生成用于绘制背景色的画笔

Paint backgroundPaint=new Paint();

//设置背景的颜色

backgroundPaint.setColor(getResources().getColor(R.color.shudu_background));

//绘制背景色

canvas.drawRect(0, 0, getWidth(), getHeight(), backgroundPaint);

Paint darkPain=new Paint();

darkPain.setColor(getResources().getColor(R.color.shudu_dark));

Paint hiliPaint=new Paint();

hiliPaint.setColor(getResources().getColor(R.color.shudu_hilite));

Paint lightPaint=new Paint();

lightPaint.setColor(getResources().getColor(R.color.shudu_light));

for(int i=0;i<9;++i){

//以下两行代码用户绘制横向的单元格

//明线和黑线才能合成一条雕刻的线

canvas.drawLine(0, i*height, getWidth(), i*height,lightPaint);

canvas.drawLine(0, i*height+1, getWidth(), i*height+1,hiliPaint);

//纵向

canvas.drawLine(i*width, 0, i*width, getHeight(), lightPaint);

canvas.drawLine(i*width+1, 0, i*width+1, getHeight(), hiliPaint);

}

//绘制黑线

for(int i=0;i<9;++i){

if(i%3!=0){

continue;

}

//以下两行代码用户绘制横向的单元格

//明线和黑线才能合成一条雕刻的线

canvas.drawLine(0, i*height, getWidth(), i*height,darkPain);

canvas.drawLine(0, i*height+1, getWidth(), i*height+1,hiliPaint);

//纵向

canvas.drawLine(i*width, 0, i*width, getHeight(), darkPain);

canvas.drawLine(i*width+1, 0, i*width+1, getHeight(), hiliPaint);

}

//绘制文字

Paint numberPain=new Paint();

numberPain.setColor(Color.BLACK);

numberPain.setStyle(Paint.Style.STROKE);

numberPain.setTextSize(height*0.75f);

numberPain.setTextAlign(Paint.Align.CENTER);

FontMetrics fm=numberPain.getFontMetrics();

float x=width/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.getTileString(i, j), i*width+x, j*height+y, numberPain);

}

}

super.onDraw(canvas);

}

}

第三部：

package com.example.shudu_1;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

//setContentView(R.layout.activity_main);

setContentView(new MyView(this));

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

}