That is one way of doing it, but it should work if the spinner is always visible, but you resize it to 1x1 pixels to make it, to all intents and purposes, invisible. (Depends then on its placement on the screen)
That is one way of doing it, but it should work if the spinner is always visible, but you resize it to 1x1 pixels to make it, to all intents and purposes, invisible. (Depends then on its placement on the screen)