Display Stats : Form « J2ME « Java

Display Stats

Display Stats
* DisplayStats.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 DisplayStats extends MIDlet implements CommandListener
  private Display display;             // Reference to Display object
  private Form fmMain;                 // A Form 
  private Alert alTest;                // An Alert
  private Command cmExit;              // A Command to exit the MIDlet
  public DisplayStats()
    display = Display.getDisplay(this);
    cmExit = new Command("Exit", Command.SCREEN, 1);
    fmMain = new Form("Welcome");

    System.out.println("Display " + (display.isColor() ? "does" : "does not") + " support Color");
    System.out.println("Number of colors: " + display.numColors());

  // Called by application manager to start the MIDlet.
  public void startApp()
    alTest = new Alert("Alert", "This alert screen will be followed by the main form", null, null);
    display.setCurrent(alTest, fmMain);

  // We are about to be placed in the Paused state
  public void pauseApp()

  // We are about to enter the Destroyed state
  public void destroyApp(boolean unconditional)

  // Check to see if the Exit command was selected
  public void commandAction(Command c, Displayable s)
    if (c == cmExit)


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