C# MPRemoteCommandCenter播放/暂停命令未正确更新

我已将播放/暂停按钮设置为启用状态，并向每个按钮添加了目标事件，但每当我在模拟器中单击按钮时，它总是调用播放按钮的目标事件和按钮的图像，不能从播放到暂停正确更新，反之亦然。有人知道这件事吗

注意：为了播放/暂停音频，我使用了Plugin.MediaManager.Forms nuget（版本0.9.7）

[导出（“playableContentManager:InitiatePlaybackOfContentIndeXPath:completionHandler:”）]
public override void InitiatePlaybackOfContentItem（MPPlayableContentManager contentManager、NSIndexPath indexPath、Action completionHandler）
{
DispatchQueue.MainQueue.DispatchAsync（（）=>
{
UIApplication.SharedApplication.EndReceivingRemoteControlEvents（）；
UIApplication.SharedApplication.BeginReceivingRemoteControlEvents（）；
var-song=CarPlaylist[indexPath.Section].剧集[indexPath.Row]；
var nowplayingfocenter=mpnowplayingfocenter.DefaultCenter；
MPNowPlayingInfo playingInfo=新的MPNowPlayingInfo（）；
playingInfo.Title=歌曲.Title；
playingInfo.Artist=song.Editor；
playingInfo.PlaybackDuration=song.Duration.TotalSeconds；//以秒为单位提供时间
playingInfo.MediaType=MPNowPlayingInfo.MediaType.Audio；
playingInfo.Artwork=新的MPMediaItemArtwork（图像：ExtractArtWork.UIImageFromUrl（song.Artwork））；
playingInfo.AssetUrl=新NSUrl（song.FileUrl.AbsolutePath）；
playingInfo.PlaybackRate=song.isplay？1.0:0.0；
NowPlayingFoCenter.NowPlaying=播放信息；
var currentPlayItemId=eposion.PodcastId.ToString（）；
字符串[]标识符=新字符串[1]；
标识符[0]=currentPlayItemId；
contentManager=MPPlayableContentManager.Shared；
contentManager.NowPlayingIdentifiers=标识符；
contentManager.DataSource=新的AppDelegateDataSource（CarPlaylist）；
var commandCenter=MPRemoteCommandCenter.Shared；
commandCenter.PlayCommand.Enabled=true；
commandCenter.PauseCommand.Enabled=true；
commandCenter.PlayCommand.AddTarget（播放按钮）；
commandCenter.PauseCommand.AddTarget（PauseButton）；
completionHandler（null）；
UIApplication.SharedApplication.EndReceivingRemoteControlEvents（）；
UIApplication.SharedApplication.BeginReceivingRemoteControlEvents（）；
});
}
公共MPRemoteCommandHandlerStatus播放按钮（MPRemoteCommandEvent commandEvent）
{
//将应用程序界面更新为播放模式和播放音频的逻辑
返回MPRemoteCommandHandlerStatus.Success；
}
公共MPRemoteCommandHandlerStatus PauseButton（MPRemoteCommandEvent commandEvent）
{
//将应用程序界面更新为暂停模式和暂停音频的逻辑
返回MPRemoteCommandHandlerStatus.Success；
}

您好，您可以尝试使用一台物理设备来检查它是否可以工作。@JuniorJiang MSFT是的，但实际上我的CarPlay授权过程仍在进行中，因此，如果没有得到许可，我无法在实际设备中测试它。

[Export("playableContentManager:initiatePlaybackOfContentItemAtIndexPath:completionHandler:")]
public override void InitiatePlaybackOfContentItem(MPPlayableContentManager contentManager, NSIndexPath indexPath, Action<NSError> completionHandler)
{
    DispatchQueue.MainQueue.DispatchAsync(() =>
    {
        UIApplication.SharedApplication.EndReceivingRemoteControlEvents();
        UIApplication.SharedApplication.BeginReceivingRemoteControlEvents();

        var song = CarPlaylist[indexPath.Section].episodes[indexPath.Row];
        var NowPlayingInfoCenter = MPNowPlayingInfoCenter.DefaultCenter;

        MPNowPlayingInfo playingInfo = new MPNowPlayingInfo();
        playingInfo.Title = song.Title;
        playingInfo.Artist = song.Editor;
        playingInfo.PlaybackDuration = song.Duration.TotalSeconds; //provide time in seconds
        playingInfo.MediaType = MPNowPlayingInfoMediaType.Audio;
        playingInfo.Artwork = new MPMediaItemArtwork(image: ExtractArtWork.UIImageFromUrl(song.ArtWork));
        playingInfo.AssetUrl = new NSUrl(song.FileUrl.AbsolutePath);
        playingInfo.PlaybackRate = song.IsPlaying ? 1.0 : 0.0;
        NowPlayingInfoCenter.NowPlaying = playingInfo;

        var currentPlayItemId = episode.PodcastId.ToString();
        string[] identifier = new string[1];
        identifier[0] = currentPlayItemId;

        contentManager = MPPlayableContentManager.Shared;
        contentManager.NowPlayingIdentifiers = identifier;
        contentManager.DataSource = new AppDelegateDataSource(CarPlaylist);

        var commandCenter = MPRemoteCommandCenter.Shared;
        commandCenter.PlayCommand.Enabled = true;
        commandCenter.PauseCommand.Enabled = true;
        commandCenter.PlayCommand.AddTarget(PlayButton);
        commandCenter.PauseCommand.AddTarget(PauseButton);

        completionHandler(null);

        UIApplication.SharedApplication.EndReceivingRemoteControlEvents();
        UIApplication.SharedApplication.BeginReceivingRemoteControlEvents();
    });
}

public MPRemoteCommandHandlerStatus PlayButton(MPRemoteCommandEvent commandEvent)
{
    //Logic to update app UI to play mode and play audio
    return MPRemoteCommandHandlerStatus.Success;
}

public MPRemoteCommandHandlerStatus PauseButton(MPRemoteCommandEvent commandEvent)
{
    //Logic to update app UI to pause mode and pause audio
    return MPRemoteCommandHandlerStatus.Success;
}