firmidlet.java

这是一款可以在手机JAVA平台上运行的五子棋游戏的源代码

package com.j2meFIR;



import java.io.IOException;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.MIDlet;

public class FIRMIDlet extends MIDlet implements CommandListener
{   
    Display display;
    private Form form;
    private Image imgSplash;     //游戏的打开界面
    private Command CMD_EXIT;
    private Command CMD_GO;
    private Command CMD_OPTION;
    private Command CMD_ABOUT;
    private FIRCanvas myCanvas; //申明FIRCanvas类的一个对象
    private Options options;   //申明Options类的一个对象
    private About about;
    public FIRMIDlet()               //一般在构造函数中导入图片和完成对象的初始化
    {
        display = Display.getDisplay(this);  //将Form窗口作为当前显示
        
        form = new Form("林金柱的五子棋");//
        try
        {
            imgSplash = Image.createImage("/splash.png");
        }
        catch(IOException _ex)
        {
            imgSplash = Image.createImage(1, 1);
        }
        form.append(imgSplash);
        CMD_EXIT = new Command("退出", 7, 1);
        CMD_GO = new Command("开始", 4, 2);
        CMD_OPTION = new Command("设置", 1, 3);
        CMD_ABOUT = new Command("关于", 5, 3);
        form.addCommand(CMD_GO);
        form.addCommand(CMD_OPTION);
        form.addCommand(CMD_ABOUT);
        form.addCommand(CMD_EXIT);
        form.setCommandListener(this);
        myCanvas = new FIRCanvas(this);
        options = new Options(this);
        about = new About(this);
    }
    public void startApp()              //开始方法中常用来设置当前屏幕的显示（即屏幕第一次显示谁？）
    {

        display.setCurrent(form);
    }
    public void pauseApp()
    {
    }
    public void destroyApp(boolean unconditional)
    {
    }
    public void commandAction(Command c, Displayable s)//第一个画布中命令执行的规则
    {
        if(c == CMD_EXIT)
        {
            destroyApp(false);
            notifyDestroyed();
        } else
        if(c == CMD_GO)
        {
            display.setCurrent(myCanvas);//将myCanvas作为当前的画布显示（也就是游戏界面）
            myCanvas.setOptions(options.getBoardSize(), options.isComputerFirst(), options.getDegree());
            myCanvas.newStage();
        } else
        if(c == CMD_OPTION)
            display.setCurrent(options.getForm());
        else
        if(c == CMD_ABOUT)
            display.setCurrent(about.getForm());
    }
   public void comeBack()     
    {
        display.setCurrent(form);//点击Back按钮返回到返回窗口
    }
   
}