I\'m working on an app and I have a custom UISlider. However, I\'m having some issues on how to make the default thumb to appear smaller like t
UISlider
Download an image similar to the one you have in the iOS control centre.
Scale it to the size you want (20x20 or even smaller) and save it in your assets.
Paste the following code in viewDidLoad:
self.yourSlider.setThumbImage(UIImage(named: "SliderName")!, for: .normal)