Did anybody experience MPMusicPlayerController's nowPlayingItem method being stuck after iOS 11 upgrade? It gets SIGSTOP eventually after couple of seconds.
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Yes. When my MPMusicPlayerControllerNowPlayingItemDidChangeNotification is called, the MPMusicPlayerController.nowPlayingItem is usually nil-- but only when playing a song from Apple Music (even if the song has already been downloaded to the device).
My workaround is to manually call my MPMusicPlayerControllerNowPlayingItemDidChangeNotification method again after one second. By then, the MPMusicPlayerController.nowPlayingItem is usually non-nil.
Of course, this makes my UI look quite unresponsive and sluggish.
lifjoy
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