入力切り替え・テレビ電源切断時に AppDelegate Notification AVPlayer の挙動についてメモ

端末

AppleTV tvOS11.4

AppDelegateについて

	UIApplicationDelegate	UIApplicationState
入力切り替え(別へ)	func applicationWillResignActive(_ application: UIApplication)	active
入力切り替え(AppleTVへ)	func applicationDidBecomeActive(_ application: UIApplication)	active
AppleTVからHDMI抜く	func applicationWillResignActive(_ application: UIApplication)	active
AppleTVにHDMI差す	func applicationDidBecomeActive(_ application: UIApplication)	active
TVの電源OFF	反応なし
TVの電源ON	反応なし

AVPlayer、Notificationについて

	AVPlayer.rate	Notification
入力切り替え(別へ)	0	UIApplicationWillResignActiveNotification
入力切り替え(AppleTVへ)	1	AVAudioSessionRouteChangeNotification UIApplicationDidBecomeActiveNotification
AppleTVからHDMI抜く	0	UIApplicationWillResignActiveNotification
AppleTVにHDMI差す	1	AVAudioSessionRouteChangeNotification UIApplicationDidBecomeActiveNotification
TVの電源OFF	反応なし
TVの電源ON	反応なし

ログサンプル

入力切り替え（別へ）

AVPlayer.rate: 0.0
applicationWillResignActive applicationState=>active
Notification.Name(_rawValue: UIApplicationWillResignActiveNotification)
AVPlayer.rate: 0.0

入力切り替え（AppleTVへ）

Notification.Name(_rawValue: AVAudioSessionRouteChangeNotification)
applicationDidBecomeActive applicationState=>active
Notification.Name(_rawValue: UIApplicationDidBecomeActiveNotification)
AVPlayer.rate: 1.0

AppleTVからHDMI抜く

AVPlayer.rate: 0.0
applicationWillResignActive applicationState=>active
Notification.Name(_rawValue: UIApplicationWillResignActiveNotification)
AVPlayer.rate: 0.0

AppleTVにHDMI差す

Notification.Name(_rawValue: AVAudioSessionRouteChangeNotification)
applicationDidBecomeActive applicationState=>active
Notification.Name(_rawValue: UIApplicationDidBecomeActiveNotification)
AVPlayer.rate: 1.0

TVの電源OFF

TV電源ON

スクリーンセーバー

applicationWillResignActive applicationState=>active
Notification.Name(_rawValue: UIApplicationWillResignActiveNotification)
AVPlayer.rate: 0.0

スリープ

applicationDidEnterBackground applicationState=>background
Notification.Name(_rawValue: UIApplicationDidEnterBackgroundNotification)
application(_:shouldSaveApplicationState:) applicationState=>background
application(_:willEncodeRestorableStateWith:) applicationState=>background
Notification.Name(_rawValue: AVAudioSessionInterruptionNotification)