@Preview
@Composable
fun Test() {

    Column(Modifier.fillMaxSize()) {
        var isLandScape by remember {
            mutableStateOf(true)
        }
        Button(onClick = { isLandScape = !isLandScape }) {
            Text(text = "test")
        }
        VideoPlayerTest(isLandScape)
    }

}


@Composable
fun VideoPlayerTest(isLandScape: Boolean) {
    // This is the official way to access current context from Composable functions
    val context = LocalContext.current

    // Do not recreate the player everytime this Composable commits
    val exoPlayer = remember(context) {
        SimpleExoPlayer.Builder(context).build().apply {
            val dataSourceFactory: DataSource.Factory = DefaultDataSourceFactory(context,
                Util.getUserAgent(context, context.packageName))

            val source = ProgressiveMediaSource.Factory(dataSourceFactory)
                .createMediaSource(
                    Uri.parse(
                    // Big Buck Bunny from Blender Project
                    "<https://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4>"
                ))

            this.prepare(source)
        }
    }

    BoxWithConstraints {
        AndroidView(
            factory = { context ->
                val view = LayoutInflater.from(context).inflate(R.layout.player, null) as StyledPlayerView
                view.apply {
                    player = exoPlayer
                }
            },
            Modifier
                .fillMaxSize()
                .rotate(if (isLandScape) 90f else 0f)
                .background(Color.Red)
        )
    }
}