ExoPlayerDemo

ExoPlayerDemo.xml

private fun initPlayer() {
    player = SimpleExoPlayer.Builder(this).build()
    player?.playWhenReady = true
    player_exo.player = player
    val defaultHttpDataSourceFactory = DefaultHttpDataSourceFactory("ExoPlayerDemoUserAgent")
    val mediaItem = MediaItem.fromUri("uri")
    val mediaSource =
        HlsMediaSource.Factory(defaultHttpDataSourceFactory).createMediaSource(mediaItem)
    player?.setMediaSource(mediaSource)
    player?.seekTo(playbackPosition)
    player?.playWhenReady = playWhenReady
}

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