Use this code for play video
TrackSelection.Factory videoTrackSelectionFactory = new AdaptiveTrackSelection.Factory(null);
TrackSelector trackSelector = new DefaultTrackSelector(videoTrackSelectionFactory);
SimpleExoPlayer player = ExoPlayerFactory.newSimpleInstance(mContxt, trackSelector);
DataSource.Factory dataSourceFactory = new DefaultDataSourceFactory(mContxt,
Util.getUserAgent(mContxt, "CloudExoplayer"));
Uri videoUri = Uri.parse(url);
MediaSource videoSource = new ExtractorMediaSource.Factory(dataSourceFactory)
.createMediaSource(videoUri);
player.prepare(videoSource);
player.setRepeatMode(Player.REPEAT_MODE_ALL);
exoplayer.setPlayer(player);
exoplayer.requestFocus();
exoplayer.setPlayWhenReady(true);