I would like Control Center (via MPNowPlayingInfoCenter) to show the forward 15 seconds / back 15 seconds controls that Apple shows with podcasts, like so:
In addition to the other answers, I found if I did not set the nowPlayingInfo on MPNowPlayingInfoCenter then the skip buttons did not appear but the default nextTrack and PreviousTrack buttons appeared. (plain fastforward and rewind appearing buttons) Be sure you are setting MPNowPlayingInfoCenter.defaultCenter().nowPlayingInfo at some point like below:
var songInfo: NSMutableDictionary = [
MPMediaItemPropertyTitle: "song title",
MPMediaItemPropertyArtist: "artist ",
MPNowPlayingInfoPropertyElapsedPlaybackTime: "0"
]
MPNowPlayingInfoCenter.defaultCenter().nowPlayingInfo = songInfo as [NSObject : AnyObject]