With the Accessibility Inspector you can check the value for the most common accessibility attributes for individual elements, do some basic navigation, and even perform actions if the component is adjustable or if it has custom actions.
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UISliders are adjustable, and its default accessibility value is represented in percentages. But that's not always the best format to express a value. Consider a slider to select a distance radius. Miles or km seem a more appropriate unit.
Example code in the image:
```swift
override var accessibilityValue: String? {
get {
let formatter = MeasurementFormatter()
let measurement = Measurement
There is a Color Contrast Calculator conveniently built into the Accessibility Inspector. Find it in Window, in the top menu. Select two colors for text and background and check if it passes for all text sizes or just some of the largest ones.
When implementing a UISlider, it is a good idea to consider how much the slider value should change when swiping up/down to adjust it. It might not always make sense to do it in 10% increments, which is the default behaviour. Could be because the value at those intervals doesn't make sense, or feel random, or because it wouldn't provide the user with a fine enough control being able to go through the whole slider in just 10 swipes. It user will still be able to adjust the slider to any value by double tapping and holding and then moving the finger left or right, bypassing VoiceOver gestures. VoiceOver announces the new value as it changes.
Content © Daniel Devesa Derksen-Staats — Accessibility up to 11!
