Rectangles
/*--------------------------------------------------
* Rectangles.java
*
* Draw rectangles on a canvas
*
* 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 RectanglesMIDlet extends MIDlet
{
private Display display; // The display
private RectangleCanvas canvas; // Canvas
public Rectangles()
{
display = Display.getDisplay(this);
canvas = new RectangleCanvas(this);
}
protected void startApp()
{
display.setCurrent( canvas );
}
protected void pauseApp()
{ }
protected void destroyApp( boolean unconditional )
{ }
public void exitMIDlet()
{
destroyApp(true);
notifyDestroyed();
}
}
/*--------------------------------------------------
* Class RectangleCanvas
*
* Draw arcs
*-------------------------------------------------*/
class RectangleCanvas extends Canvas implements CommandListener
{
private Command cmExit; // Exit midlet
private Rectangles midlet;
public RectangleCanvas(Rectangles midlet)
{
this.midlet = midlet;
// Create exit command & listen for events
cmExit = new Command("Exit", Command.EXIT, 1);
addCommand(cmExit);
setCommandListener(this);
}
/*--------------------------------------------------
* Draw an arc
*-------------------------------------------------*/
protected void paint(Graphics g)
{
g.drawRect(1, 1, 25, 25);
g.drawRoundRect(28, 28, 45, 45, 15, 45);
// g.fillRect(1, 1, 25, 25);
// g.fillRoundRect(28, 28, 45, 45, 15, 45);
}
public void commandAction(Command c, Displayable d)
{
if (c == cmExit)
midlet.exitMIDlet();
}
}
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