MPMoviePlayerController.Notifications.ObserveTimedMetadataUpdated Method

Definition

Namespace:

MediaPlayer

Assembly:

Xamarin.iOS.dll

Overloads

ObserveTimedMetadataUpdated(NSObject, EventHandler<MPMoviePlayerTimedMetadataEventArgs>)	Strongly typed notification for the TimedMetadataUpdatedNotification constant.
ObserveTimedMetadataUpdated(EventHandler<MPMoviePlayerTimedMetadataEventArgs>)	Strongly typed notification for the TimedMetadataUpdatedNotification constant.

ObserveTimedMetadataUpdated(NSObject, EventHandler<MPMoviePlayerTimedMetadataEventArgs>)

Strongly typed notification for the TimedMetadataUpdatedNotification constant.

public static Foundation.NSObject ObserveTimedMetadataUpdated (Foundation.NSObject objectToObserve, EventHandler<MediaPlayer.MPMoviePlayerTimedMetadataEventArgs> handler);

static member ObserveTimedMetadataUpdated : Foundation.NSObject * EventHandler<MediaPlayer.MPMoviePlayerTimedMetadataEventArgs> -> Foundation.NSObject

Parameters

objectToObserve

NSObject

The object to observe.

handler

EventHandler<MPMoviePlayerTimedMetadataEventArgs>

Method to invoke when the notification is posted.

Returns

NSObject

Token object that can be used to stop receiving notifications by either disposing it or passing it to RemoveObservers(IEnumerable<NSObject>)

Remarks

This method can be used to subscribe for TimedMetadataUpdatedNotification notifications.

// Listen to all notifications posted for any object
var token = MPMoviePlayerController.Notifications.ObserveTimedMetadataUpdated ((notification) => {
	Console.WriteLine ("Observed TimedMetadataUpdatedNotification!");
};

// Listen to all notifications posted for a single object
var token = MPMoviePlayerController.Notifications.ObserveTimedMetadataUpdated (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed TimedMetadataUpdatedNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();

ObserveTimedMetadataUpdated(EventHandler<MPMoviePlayerTimedMetadataEventArgs>)

Strongly typed notification for the TimedMetadataUpdatedNotification constant.

public static Foundation.NSObject ObserveTimedMetadataUpdated (EventHandler<MediaPlayer.MPMoviePlayerTimedMetadataEventArgs> handler);

static member ObserveTimedMetadataUpdated : EventHandler<MediaPlayer.MPMoviePlayerTimedMetadataEventArgs> -> Foundation.NSObject

Parameters

handler

EventHandler<MPMoviePlayerTimedMetadataEventArgs>

Method to invoke when the notification is posted.

Returns

NSObject

Token object that can be used to stop receiving notifications by either disposing it or passing it to RemoveObservers(IEnumerable<NSObject>)

Remarks

The following example shows how developers can use this method in their code:

//
// Lambda style
//

// listening
notification = MPMoviePlayerController.Notifications.ObserveTimedMetadataUpdated ((sender, args) => {
    /* Access strongly typed args */
    Console.WriteLine ("Notification: {0}", args.Notification);

    Console.WriteLine ("TimedMetadata", args.TimedMetadata);
});

// To stop listening:
notification.Dispose ();

//
//Method style
//
NSObject notification;
void Callback (object sender, MediaPlayer.MPMoviePlayerTimedMetadataEventArgs args)
{
    // Access strongly typed args
    Console.WriteLine ("Notification: {0}", args.Notification);

    Console.WriteLine ("TimedMetadata", args.TimedMetadata);
}

void Setup ()
{
    notification = MPMoviePlayerController.Notifications.ObserveTimedMetadataUpdated (Callback);
}

void Teardown ()
{
    notification.Dispose ();
}