An example MIDlet with simple Hello text and an Exit command : Event Command « J2ME « Java

Java
1. 2D Graphics GUI
2. 3D
3. Advanced Graphics
4. Ant
5. Apache Common
6. Chart
7. Class
8. Collections Data Structure
9. Data Type
10. Database SQL JDBC
11. Design Pattern
12. Development Class
13. EJB3
14. Email
15. Event
16. File Input Output
17. Game
18. Generics
19. GWT
20. Hibernate
21. I18N
22. J2EE
23. J2ME
24. JDK 6
25. JNDI LDAP
26. JPA
27. JSP
28. JSTL
29. Language Basics
30. Network Protocol
31. PDF RTF
32. Reflection
33. Regular Expressions
34. Scripting
35. Security
36. Servlets
37. Spring
38. Swing Components
39. Swing JFC
40. SWT JFace Eclipse
41. Threads
42. Tiny Application
43. Velocity
44. Web Services SOA
45. XML
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java » J2ME » Event CommandScreenshots 
An example MIDlet with simple Hello text and an Exit command
An example MIDlet with simple Hello text and an Exit command


/*
 *
 * Copyright (c) 2000 Sun Microsystems, Inc. All Rights Reserved.
 *
 * This software is the confidential and proprietary information of Sun
 * Microsystems, Inc. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Sun.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
 * THIS SOFTWARE OR ITS DERIVATIVES.
 */

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

/**
 * An example MIDlet with simple "Hello" text and an Exit command.
 * Refer to the startApp, pauseApp, and destroyApp
 * methods so see how each handles the requested transition.
 */
public class HelloCommandMIDlet extends MIDlet implements CommandListener {

  private Command exitCommand; // The exit command
  private Command okCommand; // The exit command
  private Command cancelCommand; // The exit command
  private Command nextCommand; // The exit command
  private Command backCommand; // The exit command
    private Display display;  // The display for this MIDlet

    public HelloCommandMIDlet() {
        display = Display.getDisplay(this);
       exitCommand = new Command("Exit", Command.EXIT, 2);
    }

    /**
     * Start up the Hello MIDlet by creating the TextBox and associating
     * the exit command and listener.
     */
    public void startApp() {
        TextBox t = new TextBox("Hello""Hello World!"2560);

        t.addCommand(exitCommand);
        t.setCommandListener(this);

        display.setCurrent(t);
    }

    /**
     * Pause is a no-op since there are no background activities or
     * record stores that need to be closed.
     */
    public void pauseApp() {
    }

    /**
     * Destroy must cleanup everything not handled by the garbage collector.
     * In this case there is nothing to cleanup.
     */
    public void destroyApp(boolean unconditional) {
    }

    /*
     * Respond to commands, including exit
     * On the exit command, cleanup and notify that the MIDlet has been destroyed.
     */
    public void commandAction(Command c, Displayable s) {
  if (c == exitCommand) {
      destroyApp(false);
      notifyDestroyed();
  
    }

}


           
       
Related examples in the same category
1. Simple Command DemoSimple Command Demo
2. CommanderCommander
3. Various EventVarious Event
4. Commands, Items, and Event ProcessingCommands, Items, and Event Processing
5. Api concepts Refer to the startApp pauseApp, and destroyAppApi concepts Refer to the startApp pauseApp, and destroyApp
6. Online Help
7. A first MIDlet with simple text and a few commands.A first MIDlet with simple text and a few commands.
8. Many CommandsMany Commands
9. Mapping CommandsMapping Commands
10. Capture Item EventsCapture Item Events
11. Accessing CommandsAccessing Commands
12. A quick sample of graphics, commands, and event handling.A quick sample of graphics,  commands, and event handling.
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.