jballgame.java

J2ME的手机小游戏,自己的毕业设计的程序

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;
import javax.microedition.midlet.MIDlet;
/*
 * 程序的启动入口
 * */
public class JballGame extends MIDlet implements CommandListener {

	private Command Okcmd;
	private Command Exitcmd;
	public Command scmd;
	private static List list;
	private static Display display;
	private Alert alert;
	public static Alert success;

	public void setList() 
	{

		String[] arrayOfString = new String[3];
		arrayOfString[0] = "New Game";
		arrayOfString[1] = "Set Level";
		arrayOfString[2] = "Help";
		list = new List("Game Menu", 3, arrayOfString, null);//初始化list表
		list.addCommand(Okcmd);
		list.addCommand(Exitcmd);//添加command按钮 
		list.setCommandListener(this);//对command按钮响应的监视器

	}

	public JballGame() //构造函数
	{

		Okcmd = new Command("OK", 4, 1);//ok
		Exitcmd = new Command("Exit", 7, 1);//exit
		scmd = new Command("OK", 4, 1);
		alert = new Alert("Help",
				"Questiosn or Comments email [e-mail]", null,
				AlertType.INFO);
		success = new Alert("success", "congratulate to pass the game!", null,
				AlertType.INFO);//通关后的提示
		success.addCommand(scmd);
		setList();

	}

	public void help() 
	{

		alert.setTimeout(Alert.FOREVER);//设定alert显示的时间
		display.setCurrent(alert);//设定显示的内容

	}

	protected void destroyApp(boolean arg0) 
	{
		// TODO Auto-generated method stub

	}

	protected void pauseApp()
	{
		// TODO Auto-generated method stub

	}

	protected void startApp() 
	{

		display = Display.getDisplay(this);//获取midlet的display对象
		display.setCurrent(list);//显示list内容

	}

	public static void success() 
	{

		success.setTimeout(Alert.FOREVER);
		display.setCurrent(success,list);

	}

	public static void display()//游戏中触发menu选项
	{

		display.setCurrent(list);
	}

	public static void setInit() //设定好level后跳转回list的方法
	{
		
		display.setCurrent(list);
	}

	public void commandAction(Command c, Displayable s)
	{

		if (c == Exitcmd) //退出按键响应
		{
			// destroyApp(false);
			notifyDestroyed();
		} 
		else //OK按键响应
		{
			System.out.println("press ok cmd");
			switch (list.getSelectedIndex()) 
			{
			case 0:
				display.setCurrent(new Game());
				break;
			case 1:
				new Level(display);
				break;
			case 2:
				help();
				break;

			}
		}

	}

}