MediaPlayer iOS 11.2 to 11.3 API Differences

MPMusicPlayerController.h

Modified MPMusicPlayerControllerPlaybackStateDidChangeNotification

	Declaration
From	NSString *const _Nonnull MPMusicPlayerControllerPlaybackStateDidChangeNotification
To	const NSNotificationName _Nonnull MPMusicPlayerControllerPlaybackStateDidChangeNotification

Modified MPMusicPlayerControllerNowPlayingItemDidChangeNotification

	Declaration
From	NSString *const _Nonnull MPMusicPlayerControllerNowPlayingItemDidChangeNotification
To	const NSNotificationName _Nonnull MPMusicPlayerControllerNowPlayingItemDidChangeNotification

Modified MPMusicPlayerControllerVolumeDidChangeNotification

	Declaration
From	NSString *const _Nonnull MPMusicPlayerControllerVolumeDidChangeNotification
To	const NSNotificationName _Nonnull MPMusicPlayerControllerVolumeDidChangeNotification

MPMusicPlayerQueueDescriptor.h

Modified MPMusicPlayerQueueDescriptor

	Protocols
From	NSSecureCoding
To	none

Modified MPMusicPlayerPlayParameters

	Protocols
From	NSSecureCoding
To	none

MPVolumeSettings.h

Modified MPVolumeSettingsAlertShow()

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use MPVolumeView to present volume controls.

Modified MPVolumeSettingsAlertHide()

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use MPVolumeView to present volume controls.

Modified MPVolumeSettingsAlertIsVisible()

	Availability	Deprecation Message
From	Available	none
To	Deprecated	Use MPVolumeView to present volume controls.