In an app that is in an advanced state of testing, I have a couple of transparent buttons each of which has an icon which itself is an animated GIF.
[...] I didn't say clearly that the user is allowed to drag these buttons around the screen.
This generally works extremely well, but my beta tester has pointed out that just one of these animations stops working as soon as its border overlaps with the other one. It doesn't seem to mind overlapping with other, static, controls (images and grcs).
I have tried all sorts of stuff now, such as changing the size of the GIFs, taking away other graphics and images, etc, but the phenomenon continues. It seems that the GIF with the most frames is the one which stops moving, while the one with less frames continues to animate: if both have the same number of frames, or are derived from the same image, then both stop. It doesn't seem to be an issue of the relative level (layer) of each GIF, and the problem shows up in different OSs.
I am now totally stuck - the only thing I can think of doing is to rearrange the entire screen so that the buttons don't have to overlap. It does begin to look like a bug in the engine's GIF-animating routine (I guess it must have one).
Still hoping for some help.
Graham
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Graham Samuel / The Living Fossil Co. / UK & France
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