Java Tutorial/J2ME/CustomItem

extends CustomItem

   <source lang="java">

import javax.microedition.lcdui.rumand; import javax.microedition.lcdui.rumandListener; import javax.microedition.lcdui.CustomItem; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.Form; import javax.microedition.lcdui.Graphics; import javax.microedition.midlet.MIDlet; public class SimpleItemMIDlet extends MIDlet implements CommandListener {

 public void startApp() {
   Form form = new Form("SimpleItemMIDlet");
   form.append(new SimpleItem("SimpleItem"));
   Command c = new Command("Exit", Command.EXIT, 0);
   form.addCommand(c);
   form.setCommandListener(this);
   Display.getDisplay(this).setCurrent(form);
 }
 public void pauseApp() {
 }
 public void destroyApp(boolean unconditional) {
 }
 public void commandAction(Command c, Displayable s) {
   if (c.getCommandType() == Command.EXIT)
     notifyDestroyed();
 }

} class SimpleItem extends CustomItem {

 public SimpleItem(String title) {
   super(title);
 }
 public int getHeight(){
   return 10;
 }
 public int getMinContentWidth() {
   return 100;
 }
 public int getMinContentHeight() {
   return 60;
 }
 public int getPrefContentWidth(int width) {
   return getMinContentWidth();
 }
 public int getPrefContentHeight(int height) {
   return getMinContentHeight();
 }
 public void paint(Graphics g, int w, int h) {
   g.drawRect(0, 0, w - 1, h - 1);
   g.setColor(0x0000ff);
   int offset = 0;
   for (int y = 4; y < h; y += 2) {
     offset = (offset + 12) % 4;
     for (int x = 4; x < w; x += 24) {
       g.fillRect(x + offset, y, x + offset - 3, y + 6);
     }
   }
 }

}</source>