MPMoviePlayerController.MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
MPMoviePlayerIsAirPlayVideoActiveDidChange 的通知常數
[Foundation.Advice("Use MPMoviePlayerController.Notifications.ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange helper method instead.")]
[Foundation.Field("MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification", "MediaPlayer")]
[ObjCRuntime.Deprecated(ObjCRuntime.PlatformName.iOS, 9, 0, ObjCRuntime.PlatformArchitecture.All, "Use 'AVPlayerViewController' (AVKit) instead.")]
[ObjCRuntime.Unavailable(ObjCRuntime.PlatformName.WatchOS, ObjCRuntime.PlatformArchitecture.All, null)]
public static Foundation.NSString MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification { [ObjCRuntime.Deprecated(ObjCRuntime.PlatformName.iOS, 9, 0, ObjCRuntime.PlatformArchitecture.All, "Use 'AVPlayerViewController' (AVKit) instead.")] [ObjCRuntime.Unavailable(ObjCRuntime.PlatformName.WatchOS, ObjCRuntime.PlatformArchitecture.All, null)] get; }
member this.MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification : Foundation.NSString
屬性值
NSString 常數應作為 NSNotificationCenter 的權杖使用。
- 屬性
備註
這個常數可以與 搭配 NSNotificationCenter 使用,以註冊此通知的接聽程式。 這是 NSString 而不是字串,因為這些值可以當做某些原生程式庫中的標記使用,而不是單純用於其實際字串內容。 回呼的 'notification' 參數包含通知類型特有的額外資訊。
// Lambda style
NSNotificationCenter.DefaultCenter.AddObserver (
MPMoviePlayerController.MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification, (notification) => {Console.WriteLine ("Received the notification MPMoviePlayerController", notification); }
// Method style
void Callback (NSNotification notification)
{
Console.WriteLine ("Received a notification MPMoviePlayerController", notification);
}
void Setup ()
{
NSNotificationCenter.DefaultCenter.AddObserver (MPMoviePlayerController.MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification, Callback);
}