Up to date slider module?

I’ve done a lot of searching this site and downloading different slider modules (just one of the basic UI components that I wish was built into Corona), but none of them seem to work properly or have the functionality I need. For example the one here: http://developer.anscamobile.com/code/slider (which is the one used in the Simple Mixer example) doesn’t handle dynamic resolution, which renders it useless these days.

Does anyone know of an updated module that handles dynamic resolution? I just need something with a thumb and a dual track (which shows one color to the left of the thumb and a different color to the right as you move it, like a progress bar).

It has to be cross-platform, so the “widget” stuff won’t work.
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