SliderUISliderstock · do not build
Playback position in the audio player. The storyboard sets the minimum track to --yellow-solid and the maximum track to --solid; thumb and drag are UIKit's.
Playing
yellow fill to the thumb
Fill
--yellow-solid
minimumTrackTintColor
Track
--solid
maximumTrackTintColor
Do not. Replace it to add a tick scale or a buffered range. Keep the stock control.