I appear to be having the same issue
On Jun 19, 6:42 pm, az9702 <az9...@gmail.com> wrote:
> Hi,
>
> As the seekbarthumbis a drawable so its support for animation seems
> limited.
> It may not be feasible but I would like to hear feedback from those
> who have more experience w/ UI.
>
> Animations I have in mind are quite simple like a few blinks when
> layout becomes visible.
> With Views, blinks can be easily implemented with alpha & cycles but
> not so for Drawables.
>
> I explored several ideas but none seems to work well:
>
> * Using AnimationDrawable does not seem to help as it requires an
> ImageView host.
>
> * My main activity has an animation on its layout.
> I tried tosetthethumbdrawable to another bitmap onAnimationEnd
> when the main layout is complete.
> The old drawable went away but the new one did not show so
> thethumbdisappeared.
> I checked the thumboffset to make sure it was not out of range.
>
> *Seta Drawable callback on the drawable but that also requires a
> view.
>
> Another way is to have a custom seekbar with a View forthumbinstead
> of Drawable.
>
> Please let me know if I have overlooked any other options currently
> supported by SDK ?
>
> Thanks in advance.
>
> - az9702
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