LazyColumn.kt

@Composable
private fun updateCurrentlyPlayingItem(exoPlayer: SimpleExoPlayer, tweet: TweetItem?) {
    val context = LocalContext.current

    LaunchedEffect(tweet) {
        exoPlayer.apply {
            if (tweet != null)) {
                val dataSourceFactory = DefaultDataSourceFactory(
                    context,
                    Util.getUserAgent(context, context.packageName)
                )
                val source = ProgressiveMediaSource.Factory(dataSourceFactory)
                    .createMediaSource(MediaItem.fromUri(Uri.parse(tweet.media.url)))

                setMediaSource(source)
                prepare()
                playWhenReady = true
            } else {
                stop()
            }
        }
    }
}