mainscreen.java

这是用j2me写的手机游戏流程控制的基本框架demo

package lckz;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;

public class MainScreen extends List implements CommandListener {
	private static Displayable instance;
	synchronized public static Displayable getInstance()
    {
    	if(instance==null)
    	{
    		instance=new MainScreen();
    	}
    	return instance;
    }
	private  MainScreen() {
		super("版权声明",IMPLICIT);
		append("开始",null);
		append("设定",null);
		append("版权声明",null);
		append("离开",null);
		setCommandListener(this);
		// TODO 自动生成构造函数存根
	}
	
	public void commandAction(Command c, Displayable d) {
		// TODO 自动生成方法存根
        String cmd=getString(getSelectedIndex());
        Navigator.flow(cmd);
	}

}