helpcanvas.java

j2me 小游戏

import javax.microedition.lcdui.*;

public class HelpCanvas extends Canvas implements CommandListener{
    public GameMIDlet game;
    private Command back;
    private Image img;
    public HelpCanvas(GameMIDlet game){
        this.game=game;
        back=new Command("返回",Command.BACK,1);
        addCommand(back);
        setCommandListener(this);
        try{
            img=Image.createImage("/menu/help.png");
        }catch(Exception e){e.printStackTrace();}
    }
    public void paint(Graphics g){
    
        g.setColor(0xffffff);
        g.fillRect(0,0,getWidth(),getHeight());
        
        g.drawImage(img,0,0,Graphics.TOP|Graphics.LEFT);
    }
    public void commandAction(Command c,Displayable d){
        if(c==back){
             game.show(game.MENU);
        }
    }        
}