gamescreen.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.Canvas;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Graphics;

public class GameScreen extends Canvas implements CommandListener {
    private static Displayable instance;
    synchronized public static Displayable getInstance()
    {
    	if(instance==null)
    	{
    		instance=new GameScreen();
    	}
    	return instance;
    }
    private GameScreen()
    {
    	addCommand(new Command("辅助说明",Command.HELP,1));
    	addCommand(new Command("返回",Command.BACK,1));
    	setCommandListener(this);
    }
	public  void paint(Graphics g) {
		// TODO 自动生成方法存根
        g.setColor(0x00737373);
        g.fillRect(0,0,getWidth(),getHeight());
        g.setColor(0,0,0);
        g.drawRect(10,10,60,60);
	}

	public void commandAction(Command c, Displayable d) {
		// TODO 自动生成方法存根
        Navigator.flow(c.getLabel());
	}

}