Android自定义View实现五子棋小游戏

package com.example.fiveson;
import java.util.LinkedList;
import java.util.List;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
public class FiveSon extends View {
public FiveSon(Context context) {
super(context);
// TODO Auto-generated constructor stub
init(context, null);
}
public FiveSon(Context context, AttributeSet attrs) {
super(context, attrs);
// TODO Auto-generated constructor stub
init(context, attrs);
}
public FiveSon(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
// TODO Auto-generated constructor stub
init(context, attrs);
}
private Paint paint = new Paint();
private Paint circlePaint = new Paint();
// 旗子： 信息 代表 第几行 第几列？
private List<int[]  chesses = new LinkedList<int[] ();
private void init(Context context, AttributeSet attrs)
{
chesses.add(new int[]{3,5});
chesses.add(new int[]{3,6});
}
int spacing = 100;
@Override
protected void onDraw(Canvas canvas) {
// TODO Auto-generated method stub
super.onDraw(canvas);
int width = getWidth();
int height = getHeight();
//1 绘制 X 坐标
int num = width / spacing;
paint.setColor(Color.BLACK);
for(int i=0;i<=num;i++)
{
canvas.drawLine(spacing*i, 0, spacing*i, height, paint);
}
num = height/spacing;
for(int i=0;i<=num;i++)
{
canvas.drawLine(0,spacing*i, width,spacing*i, paint);
}
//2 绘制Y 坐标
//3 绘制 旗子
if(!chesses.isEmpty())
{
int count = chesses.size();
for(int i=0;i<count;i++)
{
// 行列 信息
int[] location = chesses.get(i);
int rawX = location[1] * spacing;
int rawY = location[0] * spacing;
if(i%2==0)
{
circlePaint.setColor(Color.BLACK);
}else {
circlePaint.setColor(Color.GREEN);
}
canvas.drawCircle(rawX, rawY, 20, circlePaint);
}
}
}
/**
* 全然自己定义空间：
* 
* 处理你恶不处理时间爱你的方法:
* onTouchEvent()
* onKeyEvent()
* 
* 当然 也能够通过 
* setOnTouchListener()
* setOnKeyListener();
* 
* 外部操作：
* setOnTouchListener(OnTouchListener l) 
* setOnKeyListener(OnKeyListener l) 
* 
* 
* 
* */
@Override
public boolean onTouchEvent(MotionEvent event) {
boolean isComsumed = false;
int action = event.getAction();
if(action == MotionEvent.ACTION_DOWN)
{
//  分析点击的坐标 来推断 点击的 行数和 列数
int ex = (int)event.getX();
int ey = (int)event.getY();
int colNum = (int)(ex / spacing);
int rowNum = (int)(ey / spacing);
int colcc = ex % spacing;
int rowcc = ey % spacing;
if(colcc =(spacing/2))
{
colcc++;
}
if(rowcc =(spacing/2))
{
rowcc++;
}
//  推断什么时候add 
int len = chesses.size();
if(len 0)
{
boolean has = false;
for(int i = len-1;i =0;i--)
{
int[] chs = chesses.get(i);
if(rowNum == chs[0] && colNum == chs[1])
{
has = true;
break;
}
}
if(!has)
{
chesses.add(new int[]{rowNum,colNum});
invalidate();
}
}else {
chesses.add(new int[]{rowNum,colNum});
invalidate();
}
isComsumed = true;
}else {
isComsumed = super.onTouchEvent(event);
}
return super.onTouchEvent(event);
}
}