// Create player
player = ExoPlayerFactory.newSimpleInstance(
    // Renders audio, video, text (subtitles) content
    DefaultRenderersFactory(ctx),
    // Choose best audio, video, text track from available sources,
    // based on bandwidth, device capabilities, language, etc
    DefaultTrackSelector(),
    // Manage buffering and loading data over the network
    DefaultLoadControl()
).apply { ... }