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. Collections Data Structure
8. Database SQL JDBC
9. Design Pattern
10. Development Class
11. Email
12. Event
13. File Input Output
14. Game
15. Hibernate
16. J2EE
17. J2ME
18. JDK 6
19. JSP
20. JSTL
21. Language Basics
22. Network Protocol
23. PDF RTF
24. Regular Expressions
25. Security
26. Servlets
27. Spring
28. Swing Components
29. Swing JFC
30. SWT JFace Eclipse
31. Threads
32. Tiny Application
33. Velocity
34. Web Services SOA
35. XML
Microsoft Office Word 2007 Tutorial
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
C# / C Sharp
C# / CSharp Tutorial
ASP.Net
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
PHP
Python
SQL Server / T-SQL
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net 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.
ww___w.j_a__va2__s___._c___om | Contact Us
Copyright 2003 - 08 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.