实例17--无敌抢钱鸡

随着转化的进行，难度也在增加，这次的实例我弄了一天，当然有些时间是在弄其他的，随着代码量的增加，要更加理解源代码的结构，我这次采用uml弄出他们的各个类图和结构,这样让我更了解原作者的思想...然后再用android的方法的实现，当然因为都是java开发的，有些类是直接用的，这次还是使用了我本来的写的android_midp包,在androidSprite类中添加了碰撞方法.
下面是效果图:

MainView.java
Java代码
package com.wjh.demon_17;

import java.util.Random;

import com.wjh.midp_me.GameView;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.Log;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.SurfaceHolder.Callback;

public class MainView extends SurfaceView implements Callback,Runnable{


    public static final int GAME_UI     = 0;    //进入用户界面
    public static final int GAME_GAMING = 1;    //进行游戏
    public static final int GAME_END        = 2;    //游戏结束
    public static final int GAME_STATE_NUM = 3; //状态总数
    private int m_nState    = GAME_UI;              //存储当前的游戏状态

    private boolean     m_bRunning;             //控制线程运行
    private MyBack          m_Back;                 //游戏背景
    private MyUI            m_UI;                   //用户界面
    private ChickSprite m_Chick;                //管理小鸡对象
    private GoodsSprite m_Goods[];              //管理物品对象
    private int         m_nScore = 0;           //当前得分
    private int         m_nTime = 60 * 10;      //游戏总时间
    private Random          m_Random;
    private int screenStartX = 0;//游戏界面开始坐标X
    private int screenStartY = 0;//游戏界面开始坐标Y
    private int screenWidth = 0;//游戏界面宽度
    private int screenHeight =0;//游戏界面高度

    private Context context ;
    int keyState = 0;
    Thread gameThread = null;
    SurfaceHolder holder = null;
    public MainView(Context context) {
        super(context);
        // TODO Auto-generated constructor stub

        this.context = context;
        setFocusable(true);
        setFocusableInTouchMode(true);
        holder = this.getHolder();
        holder.addCallback(this);
    }
    private void initView()
    {
        m_Random = new Random();
        m_Back = new MyBack(context);
        m_UI = new MyUI(context);
        screenStartX = (getWidth() - m_Back.getBackImageWidth())/2;
        screenStartY = (getHeight()-m_Back.getBackImageHeight())/2;
        screenWidth = screenStartX+m_Back.getBackImageWidth();
        screenHeight = screenStartY+m_Back.getBackImageHeight();

        try{
            //读取小鸡精灵图片,并设置小鸡的初始位置
            Bitmap img = BitmapFactory.decodeResource(getResources(), R.drawable.chick);
            m_Chick = new ChickSprite( img, 31, 29);
            m_Chick.setRefPixelPosition( getWidth() / 2, screenHeight- 18 );

            //读取物品图片,屏幕上最多同时掉落6个物品
            img = BitmapFactory.decodeResource(getResources(), R.drawable.goods);
            m_Goods = new GoodsSprite[6];
            for( int n = 0; n < m_Goods.length; n ++ )
                m_Goods[n] = new GoodsSprite( img, 19, 19 );
        }
        catch (Exception ex){}
        setState(GAME_UI);                          //设置游戏状态
    }
    private void setState( int state ){         //设置当前的游戏状态
        if( state < 0 || state >= GAME_STATE_NUM )
            return;&n

补充：移动开发 , Android ,