Form Scroll : Form « J2ME « Java

1. Java
2. J2ME
3. Form

Form Scroll

/*--------------------------------------------------
* FormScroll.java
*
* Show how a Form component handles scrolling
* when multiple Items are on the display
*
* 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 FormScroll extends MIDlet implements CommandListener
{
  private Display display;      // Reference to display object 
  private Form frmMain;         // The main form
  private Command cmdExit;      // Command to exit
  private TextField txfSize;    // Product size
  private ChoiceGroup chgEmail; // Choice group
  private Gauge gauVolume;      // Volume

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

    // Create TextField
    txfSize = new TextField("Size", "Large", 5, TextField.ANY); 
    
    // Create an exclusive (radio) choice group, and append entries
    chgEmail = new ChoiceGroup("Email Options", Choice.EXCLUSIVE);
    chgEmail.append("Read", null);
    chgEmail.append("Forward", null);    
    chgEmail.append("Delete", null);    

    // Create the gauge
    gauVolume = new Gauge("Sound Level", true, 30, 4);
    
    cmdExit = new Command("Exit", Command.EXIT, 1);

    // Create the form
    frmMain = new Form("Form Stuff");
    frmMain.append(txfSize);
    frmMain.append(chgEmail);
    frmMain.append(gauVolume);    
    frmMain.addCommand(cmdExit);
  
    // Capture events
    frmMain.setCommandListener(this);    
  }

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

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

  public void commandAction(Command c, Displayable s)
  {
    if (c == cmdExit)
    {
      destroyApp(false);
      notifyDestroyed();
    }
  }
}


           
       

Related examples in the same category

1.	Create Form With Items
2.	GUI Test in MIDlet
3.	Login Midlet
4.	Verify Area Code
5.	Change Label Text
6.	Form Juggle
7.	Form Example MIDlet
8.	Display Stats
9.	Read Display File