Programmatically reading and changing elapsed time of music(iPod's media library)?

Question

I am creating a music application, much like the standard music app. Now, I am befuddled on how they were able to read and change the elapsed time of a song using a UISlider. How is it possible to read and change the elapsed time of a song?

After your last question (http://stackoverflow.com/questions/2274475/detecting-if-music-is-playing), did you have a look at the documentation for `MPMusicPlayerController`? — Ole Begemann, Feb 16 '10 at 22:48

score 1 · Accepted Answer · answered Feb 17 '10 at 02:30

By calling beginGeneratingPlaybackNotifications on the MPMusicPlayerController and registering for MPMusicPlayerControllerPlaybackStateDidChangeNotification notifications, you will receive periodic updates when the playback state has changed. In the handler for that notification you can then get the currentPlaybackTime from the MPMusicPlayerController.

Programmatically reading and changing elapsed time of music(iPod's media library)?

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