use this code.................
Bitmap focusImg=Bitmap.getBitmapResource("focus.png");
Bitmap unFocusImg=Bitmap.getBitmapResource("unfocus.png");
Bitmap button=unFocusImg;
HorizontalFieldManager hfm=new HorizontalFieldManager()
{
protected void paint(Graphics graphics)
{
graphics.drawBitmap(0, 0, fieldWidth, fieldHeight, button, 0, 0);
}
protected void onFocus(int direction)
{
button=focusImg;
hfm.invalidate();
}
protected void onFocus(int direction)
{
button=unFocusImg;
hfm.invalidate();
}
}
