// ITU F2005 JMA - Homework week 03
// Step1.java
// 2005-02-19 Kenn A. Thisted

import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;

public class Step1 extends MIDlet implements 
    CommandListener {

    private Display  display;
    private Canvas canvas;
    private Command  exitCommand = new Command( 
        "Exit", Command.SCREEN, 1 );
   
    public Step1(){
        display = Display.getDisplay( this );
        canvas = new PlotCanvas( this );
        canvas.addCommand( exitCommand );
        canvas.setCommandListener( this );
    }
   
    protected void startApp(){
        display.setCurrent( canvas );
    }
   
    protected void pauseApp(){
    }
  
    protected void destroyApp( boolean unconditional ){
    }
   
    public void exit(){
        destroyApp( true );
        notifyDestroyed();
    }
    public void commandAction( Command c, Displayable d ){
        if( c == exitCommand ){
            exit();
        }
    }
}