Player Controls Visibility
Available since 2.3.0
Visibility of some buttons displayed by the player can be changed if required.
Here is player displaying all buttons:

Changing Visibility
Each button can be hidden or shown:
val controller: AdPlayerController
controller.showPlayButton.value = false
controller.showSoundButton.value = false
controller.showFullscreenButton.value = false

Visibility Default Values
Visibility states are represented as a nullable Boolean? type.
This allows seamless rollback to default value by passing a null value.
val controller: AdPlayerController
controller.showPlayButton.value = true // visible
controller.showSoundButton.value = false // invisible
controller.showFullscreenButton.value = null // default value