Missing Frameworksamplesource From Exoplayer

I've been using ExoPlayer for the past couple of days until today which when I tried to build the project I found that there is a missing class named FrameworkSampleSource. I tri

Solution 1:

ExoPlayer recently moved away from using Android's MediaExtractor, so FrameworkSampleSource and DefaultSampleSource, as it was named later, were removed from the library. For traditional media playback (not adaptive), ExtractorSampleSource can be configured with an Extractor like Mp4Extractor. There is currently no automatic detection of the media type.

https://google.github.io/ExoPlayer/guide.html#traditional-media-playbacks