VideosFragment.kt

@AndroidEntryPoint
class VideosFragment : Fragment(R.layout.fragment_popular_videos_list) {
    private lateinit var _binding: FragmentPopularVideosListBinding
    private val binding get() = _binding


    private val viewModel: VideoViewModel by viewModels()
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        _binding = FragmentPopularVideosListBinding.bind(view)

        val adapter = VideoAdapter()
        binding.apply {
            videosList.adapter = adapter.withLoadStateFooter(
                footer = VideoLoadStateAdapter{adapter.retry()}
            )
        }

        viewLifecycleOwner.lifecycleScope.launch {
            adapter.loadStateFlow.collectLatest {
                binding.progressBar.isVisible = it.source.append is LoadState.Loading
            }
        }

        viewLifecycleOwner.lifecycleScope.launch {
            viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
                viewModel.items.collectLatest {
                    adapter.submitData(it)
                }
            }
        }

    }
}