?? tickerdemo.java
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/* * * Copyright ? 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */package ticker;import javax.microedition.lcdui.*;import javax.microedition.lcdui.Command;import javax.microedition.lcdui.CommandListener;import javax.microedition.lcdui.Display;import javax.microedition.lcdui.Displayable;import javax.microedition.midlet.MIDlet;/** * The Ticker Demo simply sets a rather long ticker to the screen. * * @version 2.0 */public class TickerDemo extends MIDlet implements CommandListener { /** * This is the text displayed in the ticker. */ private static final String TICKER_TEXT = "This is a ticker see it " + "scroll along the way... On and on it goes without " + "stopping even for a second!"; private boolean firstTime; private Form mainForm; private Command exitCommand = new Command("Exit", Command.EXIT, 1); private Display myDisplay; private Ticker t; public TickerDemo() { myDisplay = Display.getDisplay(this); firstTime = true; mainForm = new Form("Ticker"); mainForm.setCommandListener(this); } protected void startApp() { if (firstTime) { t = new Ticker(TICKER_TEXT); mainForm.setTicker(t); firstTime = false; } mainForm.addCommand(exitCommand); myDisplay.setCurrent(mainForm); } protected void destroyApp(boolean unconditional) { myDisplay.setCurrent((Displayable)null); notifyDestroyed(); } protected void pauseApp() { } public void commandAction(Command c, Displayable s) { if (c == exitCommand) { destroyApp(true); } }}
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