问使用MediaSession的Amazon电视操作系统上，远程媒体按钮不起作用

EN

    class VideoActivity : FragmentActivity() {

    private var mediaSession: MediaSessionCompat? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_video)
        initMediaSession()
        supportFragmentManager.beginTransaction()
            .replace(R.id.container, VideoFragment().apply { arguments = intent.extras })
            .commit()
    }

    override fun onDestroy() {
        super.onDestroy()
        mediaSession?.isActive = false
        mediaSession?.release()
    }

    private fun initMediaSession() {
        mediaSession = MediaSessionCompat(applicationContext, "VideoTag")
        mediaSession?.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS or MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS)
        val state = PlaybackStateCompat.Builder()
            .setActions(
                PlaybackStateCompat.ACTION_PLAY or PlaybackStateCompat.ACTION_PAUSE or PlaybackStateCompat.ACTION_PLAY_PAUSE or PlaybackStateCompat.ACTION_REWIND
                or PlaybackStateCompat.ACTION_SKIP_TO_NEXT or PlaybackStateCompat.ACTION_SEEK_TO
//                PlaybackStateCompat.ACTION_PLAY_PAUSE or
//                        PlaybackStateCompat.ACTION_FAST_FORWARD
//                        or PlaybackStateCompat.ACTION_REWIND or
//                        PlaybackStateCompat.ACTION_PLAY or
//                        PlaybackStateCompat.ACTION_PAUSE
            )
            .setState(PlaybackStateCompat.STATE_PLAYING, 0, 1.0f)
            .build()
        mediaSession?.setPlaybackState(state)
        mediaSession?.setCallback(object : MediaSessionCompat.Callback() {
            override fun onCustomAction(action: String?, extras: Bundle?) {
                super.onCustomAction(action, extras)
            }

            override fun onSeekTo(pos: Long) {
                super.onSeekTo(pos)
            }

            override fun onSkipToNext() {
                super.onSkipToNext()
            }

            override fun onFastForward() {
                super.onFastForward()
            }

            override fun onPlay() {
                super.onPlay()
            }

            override fun onPause() {
                super.onPause()
            }

        })
        mediaSession?.isActive = true
        val controll = MediaControllerCompat(this, mediaSession!!)
        MediaControllerCompat.setMediaController(this, controll)
    }