Change Label Text : Form « 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 » FormScreenshots 
Change Label Text
Change Label Text

/*--------------------------------------------------
* ChangeLabelText.java
*
* Example from the book:     Core J2ME Technology
* Copyright John W. Muchow   http://www.CoreJ2ME.com
* You may use/modify for any non-commercial purpose
*-------------------------------------------------*/
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class ChangeLabelText extends MIDlet implements CommandListener
{
  private Display display;      // Reference to Display object
  private Form fmMain;          // The main form
  private StringItem siUser;    // The message
  private Command cmNext;       // Next label and message
  private Command cmExit;       // Command to exit the MIDlet

  public ChangeLabelText()
  {
    display = Display.getDisplay(this);

    // Create text message and commands
    siUser = new StringItem("UserId: ""johnm");
    cmNext = new Command("Next", Command.SCREEN, 1);
    cmExit = new Command("Exit", Command.EXIT, 1);

    // Create Form, add Command & StringItem, listen for events
    fmMain = new Form("Preferences");    
    fmMain.addCommand(cmExit);
    fmMain.addCommand(cmNext);    
    fmMain.append(siUser);
    fmMain.setCommandListener(this);   
  }

  // Called by application manager to start the MIDlet.
  public void startApp()
  {
    display.setCurrent(fmMain);
  }

  public void pauseApp()
  { }
  
  public void destroyApp(boolean unconditional)
  { }

  public void commandAction(Command c, Displayable s)
  {
    if (c == cmNext)
    {
      // This method is inherited from the Item class
      siUser.setLabel("Account #: ");
      
      // Change the text
      siUser.setText("731");           
      
      // Remove the Next command
      fmMain.removeCommand(cmNext);
    }
    else if (c == cmExit)
    {
      destroyApp(false);
      notifyDestroyed();
    
  }
}


           
       
Related examples in the same category
1. Create Form With Items Create Form With Items
2. GUI Test in MIDletGUI Test in MIDlet
3. Login MidletLogin Midlet
4. Verify Area CodeVerify Area Code
5. Form ScrollForm Scroll
6. Form JuggleForm Juggle
7. Form Example MIDletForm Example MIDlet
8. Display StatsDisplay Stats
9. Read Display FileRead Display File
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.