Added in API level 34
    ContrastChangeListener
interface ContrastChangeListener
| android.app.UiModeManager.ContrastChangeListener | 
Listener for the UI contrast. To listen for changes to the UI contrast on the device, implement this interface and register it with the system by calling addContrastChangeListener.
Summary
| Public methods | |
|---|---|
| abstract Unit | 
            onContrastChanged(contrast: Float)Called when the color contrast enabled state changes.  | 
        
Public methods
onContrastChanged
Added in API level 34
      abstract fun onContrastChanged(contrast: Float): Unit
Called when the color contrast enabled state changes.
| Parameters | |
|---|---|
contrast | 
            Float: The color contrast as in getContrast Value is between -1.0f and 1.0f inclusive |