Android Exoplayer playing from local file – raw folder

Ricardo RoverNo Comments

Using ExoPlayer 2.6.1 (https://github.com/google/ExoPlayer)

R.raw.presentation is my presentation.mp4 file.
binding.videoPlayer is a SimpleExoPlayerView element in my xml view.

SimpleExoPlayer player = ExoPlayerFactory.newSimpleInstance(context, new DefaultTrackSelector());
binding.videoPlayer.setPlayer(player);

final RawResourceDataSource rawResourceDataSource = new RawResourceDataSource(context);
DataSpec dataSpec = new DataSpec(RawResourceDataSource.buildRawResourceUri(R.raw.presentation));
try {
    rawResourceDataSource.open(dataSpec);

    DataSource.Factory factory = new DataSource.Factory() {
        @Override
        public DataSource createDataSource() {
            return rawResourceDataSource;
        }
    };
    MediaSource videoSource = new ExtractorMediaSource.Factory(factory).createMediaSource(rawResourceDataSource.getUri());
    player.prepare(videoSource);

} catch (RawResourceDataSource.RawResourceDataSourceException e) {
    e.printStackTrace();
}

Based on other snippets:

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