Fragment that shows a list of movies.

MovieListFragment.kt

class MovieListFragment : Fragment(R.layout.fragment_movie_list) {

    ...

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        initView()
        collectUiState()
    }

    private fun initView() {
        binding.rvMovies.adapter = MovieListAdapter()
    }

    private fun collectUiState() {
        viewLifecycleOwner.lifecycleScope.launch {
            moviesViewModel.uiState.collect { state ->
                renderUiState(state)
            }
        }
    }

    private fun renderUiState(state: MovieListUiState) {
        with(state) {
            // Progress
            binding.progressBarMovies.isVisible = isLoading

            // Bind movies.
            (binding.rvMovies.adapter as MovieListAdapter)
                .submitList(movies)

            // Empty view
            binding.tvMoviesEmpty.isVisible = !isLoading && movies.isEmpty()

            // Display error if any. Only once.
            error?.let {
                it.consumeOnce { failure ->
                    Toast.makeText(
                        requireContext(),
                        "$failure",
                        Toast.LENGTH_LONG
                    ).show()
                }
            }
        }
    }
  
  ...
}