A Boolean value that indicates whether the first video frame has been made ready for display for the current item of the associated player.
- iOS 4.0+
- macOS 10.7+
- tvOS 9.0+
- Mac Catalyst 13.0+Beta
Use this property as an indicator of when best to show or animate-in a player layer into view. A player layer may be displayed, or made visible, while this property is
false, however the layer will not have any user-visible content until the value becomes
This property remains
false for a player’s
current whose asset contains no enabled video tracks.
This property is key value observable using Key-value observing.