musicmenu.java

手机在线系统 采用Java 中的J2ME, JSP 跟MySql 运行环境是：jsdk1.4以上

/**
 * @(#)MusicMenu.java	1.11 01/08/23
 * Copyright (c) 2004-2005 wuhua of workroom Inc. All Rights Reserved.
 * @version 	1.0, 10/05/2004
 * @author 	饶荣庆
 * @author 	余煜辉
 */
package com.j2me.recreation.music;

import com.j2me.recreation.*;
import com.j2me.language.*;
import com.j2me.main.*;
import javax.microedition.lcdui.*;

/**
 *类MusicMenu是用来描述在线音乐功能菜单界面。
 */
public class  MusicMenu extends List implements CommandListener
{
	private Display display = null;
	private RecreationMenu recreation = null;

	

	private Command backCommand = null;
	private Command okCommand = null;

	public Image[] icon = { createImage("/icon/football.png"), createImage("/icon/phone.png")};
     
	/*
	 *初始话功能菜单
	 */
	public	MusicMenu()		 
	{
		super("动感娱乐", List.IMPLICIT);    //继承超类，并设置属性为当选择是当前操作的项目在命令初始化时被选中
		append("动感音乐", icon[0]);
		append("动感MTV", icon[1]);
		this.backCommand = new Command("返回", Command.BACK, 2);
		this.okCommand = new Command("确定", Command.OK, 2);		
		this.addCommand(backCommand);
		this.addCommand(okCommand);
		this.setCommandListener(this);
	}

	/*显示菜单界面方法*/
	public void showForm(Display display, RecreationMenu recreation)	//用来显示界面
	{		
		this.display = display;
	   	this.recreation = recreation;
		this.display.setCurrent(this);
	}

	private Image createImage(String name)	 //定义创建菜单图片
	{
		Image aImage =null;
        try
		{ 
			aImage = Image.createImage(name);
		}
		catch(Exception e)
		{
			System.out.println("不能找到图标.");
		}
        return aImage;
     }

	 
	public void commandAction(Command c, Displayable s)
	{
		if(c == backCommand)
		{
			this.display.setCurrent(recreation);
		}

		if (c == okCommand)
		{
			int listIndex;
			listIndex = this.getSelectedIndex();	 //得到你所选择的是哪个菜单并作出响应, 你按下的是电话薄
			if (listIndex == 0)
			{
				if (Language.isEnglish)
				{
					
				}
				else
				{
					
				}

			}

			if (listIndex == 1)
			{
				if (Language.isEnglish)
				{
					
				}
				else
				{
					
				}
			}

		}
	}

	
}