main_dash.kt

class MainActivity : Activity() {

    private lateinit var binding: ActivityMainBinding
    private var exoPlayer: ExoPlayer? = null
    private var playbackPosition = 0L
    private var playWhenReady = true

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ActivityMainBinding.inflate(layoutInflater)
        val view = binding.root
        setContentView(view)
        preparePlayer()
    }

    private fun preparePlayer() {
        exoPlayer = ExoPlayer.Builder(this).build()
        exoPlayer?.playWhenReady = true
        binding.playerView.player = exoPlayer
        val defaultHttpDataSourceFactory = DefaultHttpDataSource.Factory()
        val mediaItem = MediaItem.fromUri(URL)
        val mediaSource =
            DashMediaSource.Factory(defaultHttpDataSourceFactory).createMediaSource(mediaItem)
        exoPlayer?.setMediaSource(mediaSource)
        exoPlayer?.seekTo(playbackPosition)
        exoPlayer?.playWhenReady = playWhenReady
        exoPlayer?.prepare()
    }

    private fun releasePlayer() {
        exoPlayer?.let { player ->
            playbackPosition = player.currentPosition
            playWhenReady = player.playWhenReady
            player.release()
            exoPlayer = null
        }
    }

    companion object {
        const val URL =
            "https://bitmovin-a.akamaihd.net/content/MI201109210084_1/mpds/f08e80da-bf1d-4e3d-8899-f0f6155f6efa.mpd"
    }
}