Adds a callback to be invoked when devices are added
Adds a callback to be invoked when devices are removed
Adds a callback to be invoked when all devices are unavailable
Adds a callback to be invoked when selected device has changed
Adds a callback to be invoked when selected device has removed
The available devices
The selected device
Selects a media device
AxpAudioOutputInterface provides functionality for managing the audio output device that is used by the user (headphones).