Quick Display of SVG Widget - Well suported on all Oses ?

[teriibi]

Hi there..

I´m planing on using this method to visualy comunicate with users.
*In that case below - inform that some inputs character are being "limited"

Code: Select all

on keydown pkey
   -- Remove all symbols and only allows "-"
   if pkey is in "0123456789" then
      -- show/hide a warning icon for a very short time
      show widget "SvgPA"
      wait 150 milliseconds
      hide widget "SvgPA"
   else
      hide widget "SvgPA"
      pass keyDown
   end if
end keydown 

...I´d love to keep on using small images or some SVG widgets all over my cards´ to comunicate.
i.e : button pressed, correct answer, text input, etc..

Does QUICK HIDE/SHOW of SVG - as in sample - IS WELL SUPPORTED ON ALL PLATFORMS ?
Specialy for APP use on Android/IOs ...or Linux Sys.

Thks for any "tested" returns...