Код class Draw:
| Код |
import javax.microedition.lcdui.*;
import java.io.IOException;
public class Draw extends Canvas
{
private int anchor = 0;
private Image im;
public Draw()
{
super();
try
{
im = Image.createImage("/horse.png");
}
catch( IOException ioe ) { System.out.println( ioe.getMessage() ); }
}
public void paint( Graphics g )
{
g.setColor( 0 ); // black color
g.fillRect( 0, 0, getWidth(), getHeight() );
switch( anchor ) {
case 0: g.drawImage( im, 0, 0, Graphics.TOP | Graphics.LEFT ); break;
case 1: g.drawImage( im, getWidth(), getHeight(), Graphics.BOTTOM | Graphics.RIGHT ); break;
case 2: g.drawImage( im, getWidth()/2, getHeight()/2, Graphics.VCENTER | Graphics.HCENTER ); break;
default: break;
}
}
protected void keyPressed(int keyCode)
{
switch( keyCode )
{
case KEY_NUM0: anchor = 0; break;
case KEY_NUM1: anchor = 1; break;
case KEY_NUM2: anchor = 2; break;
default: break;
}
repaint();
}
}
|
код class ImageMIDlet:
| Код |
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class ImageMIDlet extends MIDlet implements CommandListener
{
private Draw dr;
private Display d;
private Command exitCommand;
public ImageMIDlet()
{
exitCommand = new Command("Exit", Command.EXIT, 0);
dr = new Draw();
d = Display.getDisplay( this );
d.setCurrent( dr );
}
public void startApp() { }
public void pauseApp() { }
public void destroyApp(boolean destroy) { }
public void commandAction(Command c, Displayable s) {
if (c == exitCommand) {
destroyApp(false);
notifyDestroyed();
}
}
}
|
при работе с приложением ничего не происходит, пустой экран, в чем косяк?
хотя должна отрисовываться картинка при нажатии кнопок 0 1 2 |
