stringitemdemo.java

javaME useful code with the J2ME helpful learning cla

import javax.microedition.lcdui.*;
import javax.microedition.midlet.MIDlet;
public class StringItemDemo
extends MIDlet
implements CommandListener, ItemCommandListener {
private Display display;
private Form mainForm;
private final static Command CMD_GO = new Command("Go", Command.ITEM, 1);
private final static Command CMD_PRESS = new Command("Press", Command.ITEM,
1);
private final static Command CMD_EXIT = new Command("Exit", Command.EXIT, 1);
protected void startApp() {
display = Display.getDisplay(this);
mainForm = new Form("String Item Demo");
mainForm.append("This is a simple label");
StringItem item = new StringItem("This is a StringItem label: ",
"This is the StringItems text");
mainForm.append(item);
item = new StringItem("Short label: ", "text");
mainForm.append(item);
item = new StringItem("Hyper-Link ", "hyperlink", Item.HYPERLINK);
item.setDefaultCommand(CMD_GO);
item.setItemCommandListener(this);
mainForm.append(item);
item = new StringItem("Button ", "Button", Item.BUTTON);
item.setDefaultCommand(CMD_PRESS);
item.setItemCommandListener(this);
mainForm.append(item);
mainForm.addCommand(CMD_EXIT);
mainForm.setCommandListener(this);
display.setCurrent(mainForm);
}
public void commandAction(Command c, Item item) {
if (c == CMD_GO) {
String text = "Go to the URL...";
Alert a = new Alert("URL", text, null, AlertType.INFO);
display.setCurrent(a);
} else if (c == CMD_PRESS) {
String text = "Do an action...";
Alert a = new Alert("Action", text, null, AlertType.INFO);
display.setCurrent(a);
}
}
public void commandAction(Command c, Displayable d) {
destroyApp(false);
notifyDestroyed();
}
protected void destroyApp(boolean unconditional) {
}
protected void pauseApp() {
}
}