01: /*
02: *
03: * Copyright (c) 2007, Sun Microsystems, Inc.
04: *
05: * All rights reserved.
06: *
07: * Redistribution and use in source and binary forms, with or without
08: * modification, are permitted provided that the following conditions
09: * are met:
10: *
11: * * Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * * Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * * Neither the name of Sun Microsystems nor the names of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31: */
32: package ticker;
33:
34: import javax.microedition.lcdui.*;
35: import javax.microedition.lcdui.Command;
36: import javax.microedition.lcdui.CommandListener;
37: import javax.microedition.lcdui.Display;
38: import javax.microedition.lcdui.Displayable;
39: import javax.microedition.midlet.MIDlet;
40:
41: /**
42: * The Ticker Demo simply sets a rather long ticker to the screen.
43: *
44: * @version 2.0
45: */
46: public class TickerDemo extends MIDlet implements CommandListener {
47: /**
48: * This is the text displayed in the ticker.
49: */
50: private static final String TICKER_TEXT = "This is a ticker see it "
51: + "scroll along the way... On and on it goes without "
52: + "stopping even for a second!";
53: private boolean firstTime;
54: private Form mainForm;
55: private Command exitCommand = new Command("Exit", Command.EXIT, 1);
56: private Display myDisplay;
57: private Ticker t;
58:
59: public TickerDemo() {
60: myDisplay = Display.getDisplay(this );
61: firstTime = true;
62: mainForm = new Form("Ticker");
63: mainForm.setCommandListener(this );
64: }
65:
66: protected void startApp() {
67: if (firstTime) {
68: t = new Ticker(TICKER_TEXT);
69: mainForm.setTicker(t);
70: firstTime = false;
71: }
72:
73: mainForm.addCommand(exitCommand);
74: myDisplay.setCurrent(mainForm);
75: }
76:
77: protected void destroyApp(boolean unconditional) {
78: myDisplay.setCurrent((Displayable) null);
79: notifyDestroyed();
80: }
81:
82: protected void pauseApp() {
83: }
84:
85: public void commandAction(Command c, Displayable s) {
86: if (c == exitCommand) {
87: destroyApp(true);
88: }
89: }
90: }
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