ExoPlayer

ExoPlayer.kt

    private lateinit var player: ExoPlayer
    private lateinit var mediaSourceFactory: ExtractorMediaSource.Factory
    
    private fun initPlayer() {
        val bandwidthMeter = DefaultBandwidthMeter()
        val videoTrackSelectionFactory = AdaptiveTrackSelection.Factory(bandwidthMeter)
        val trackSelector = DefaultTrackSelector(videoTrackSelectionFactory)
        val dataSourceFactory = DefaultDataSourceFactory(context, Util.getUserAgent(context, "A"))
        mediaSourceFactory = ExtractorMediaSource.Factory(dataSourceFactory).setExtractorsFactory(DefaultExtractorsFactory())
        player = ExoPlayerFactory.newSimpleInstance(this, trackSelector)
        playerView.player = player
        player.playWhenReady = true
    }
    
    private fun playVideo(filePath: String) {
        val uri = Uri.parse("http://techslides.com/demos/samples/sample.mov") //Uri.fromFile(File(filePath))
        val mediaSource = mediaSourceFactory.createMediaSource(uri)
        player.prepare(mediaSource)
    }