import java.io.IOException;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class SnakeMIDlet extends MIDlet implements CommandListener{
	private Command exitCommand;
	private Command startCommand;
	private SnakeCanvas snake;
	private Display d;
//	private ImageItem imageitem; 
//	private Image aimage;
	TextBox tb;
//	Displayable nd;
    public SnakeMIDlet() throws IOException {
    	d=Display.getDisplay(this);                        
     	exitCommand=new Command("退出",Command.EXIT,1);
    	startCommand=new Command("開始",Command.SCREEN,1);
 //   	aimage=Image.createImage("/100_0091.png");
//    	imageitem=new ImageItem("貪吃蛇",aimage,ImageItem.LAYOUT_CENTER,"和麗新");
    	tb=new TextBox("貪吃蛇游戲","",256,0);
    	
    	snake=new SnakeCanvas();
    	
//    	d.setCurrent(nd);
    	
    	
    }
    public void startApp() {
    	tb.addCommand(startCommand);
 //   	Form aform=new Form("貪吃蛇");
//    	aform.append(imageitem);
 //   	aform.addCommand(startCommand);
//    	aform.addCommand(exitCommand);
    	tb.addCommand(exitCommand);
    	tb.setCommandListener(this);
//  	d.setCurrent(aform);
    	d.setCurrent(tb);
 //   	nd.addCommand(exitCommand);
 //   	nd.addCommand(startCommand);
    	
    }
    public void pauseApp() {}
    public void destroyApp(boolean unconditional) {}
	public void commandAction(Command c, Displayable arg1) {
		// TODO Auto-generated method stub
		if(c==exitCommand)
		{
			destroyApp(true);
			notifyDestroyed();
		}
		else if(c==startCommand)
		{
			d.setCurrent(snake);
		}
		
	}
}