package com.j2medev.chapter5;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;


public class GameDemo extends MIDlet {
    
    static GameDemo instance;//聲明該MIDlet的引用
    DemoCanvas displayable = new DemoCanvas();//實(shí)例化一個(gè)DemoCanvas
    public GameDemo() {//構(gòu)造方法
        instance = this;//引用該MIDlet
    }
    
    public void startApp() {
        Display.getDisplay(this).setCurrent(displayable);//啟動(dòng)MIDlet并將displayable顯示在屏幕上
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
    
    public static void quitApp() {//終止該MIDlet
        instance.destroyApp(true);
        instance.notifyDestroyed();
        instance = null;
    }
    
}