/* 
 * @(#)HelloMIDlet.java 1.12 02/09/25 @(#) 
 * 
 * Copyright (c) 2000-2002 Sun Microsystems, Inc.  All rights reserved. 
 * PROPRIETARY/CONFIDENTIAL 
 * Use is subject to license terms. 
 */ 
 
import javax.microedition.midlet.*; 
import javax.microedition.lcdui.*; 
 
/** 
 * An example MIDlet with simple "Hello" text and an exit command. 
 */ 
public class HelloMIDlet extends MIDlet implements CommandListener { 
 
    // Fields for the screens, commands, and display of this MIDlet 
    private Command exitCommand; 
    private TextBox textBox; 
    private Display display; 
 
    /** 
     * Constructs the HelloMIDlet, its screen, and its command. It 
     * associates the screen and command, and caches MIDlets display. 
     */ 
    public HelloMIDlet() { 
        // Create the abstract command 
        exitCommand = new Command("Exit", Command.EXIT, 1); 
 
        // Create the screen and give it a command and a listener 
        textBox = new TextBox("Hello MIDlet", "Test string", 256, 
                            TextField.ANY | TextField.UNEDITABLE); 
        textBox.addCommand(exitCommand); 
        textBox.setCommandListener(this); 
 
        // Set the MIDlet's display to its initial screen 
        display = Display.getDisplay(this); 
        display.setCurrent(textBox); 
    } 
 
    /** 
     * Starts the MIDlet; this method does nothing because 
     * the MIDlet does not require any shared resources. 
     */ 
    public void startApp() { 
    } 
 
    /** 
     * Pauses the MIDlet; this method does nothing because there  
     * are no background activities or shared resources to close. 
     */ 
    public void pauseApp() { 
    } 
 
    /** 
     * Destroys the MIDlet; this method does nothing because 
     * there is nothing to cleanup that is not handled by the 
     * garbage collector. 
     */ 
     public void destroyApp(boolean unconditional) { 
    } 
 
    /* 
     * Responds to the user’s selection of abstract commands. 
     * This MIDlet has only an exit command. This method 
     * responds to it by cleaning up and notifying the system 
     * that the MIDlet has been destroyed. 
     */ 
    public void commandAction(Command command, Displayable screen) { 
        if (command == exitCommand) { 
            destroyApp(false); 
            notifyDestroyed(); 
        } 
    } 
}