A glass pane is indeed like a fully transparent and distortion free glass sheet placed over a form. We can draw whatever we want on the pane, and only the part of the form under that pattern will be obscured. The rest of the form will be visible. Also, the pattern drawn on the glass pane will not be affected by any transition, animation, or change of any kind that may take place on the form below.
In the world of LWUIT, a glass pane is also a painter. However, unlike the painters we have used so far, a glass pane can only be used with a form. Let us see, with the help of the
DemoGlassPane example, how to install a glass pane.
For this application as well, the basic building block is
alphaList on ...