A Boolean value that specifies the audio-level metering on/off state for the audio player.
UIKit for Mac 13.0+Beta
The default value for the meteringEnabled property is off (Boolean NO). Before using metering for an audio player, you need to enable it by setting this property to YES. If player is an audio player instance variable of your controller class, you enable metering as shown here:
Refreshes the average and peak power values for all channels of an audio player.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.