welcomemidlet.java

j2me 手机编程实例

package com.j2medev.sample.chapter3;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class WelcomeMidlet extends MIDlet {

    private Canvas canvas = new MyCanvas();
    private Display display = null;

    public void startApp() {
        if(display==null) {
            display = Display.getDisplay(this);
            display.setCurrent(canvas);
        }
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }

    class MyCanvas extends Canvas {

        private Image image = null;

        public MyCanvas() {
            try {
                image = Image.createImage("/icon/logo.png");
            }
            catch(Exception e) {}
        }
        protected void paint(Graphics g) {
            int width = getWidth();
            int height = getHeight();
            g.setColor(0xffffff);
            g.fillRect(0, 0, getWidth(), getHeight());
            if(image!=null) {
                g.drawImage(image,  width/2, height/3, Graphics.HCENTER|Graphics.VCENTER);
            }
            g.setColor(0);
            g.drawString("mBoker.com, copyright(r) 2005", width/2, height/3*2, Graphics.HCENTER|Graphics.TOP);
        }
    }

}