updated activity

MainActivity.kt

    private fun fetchMovies() {
        // remove any previous subscription
        disposable?.dispose()
        disposable = viewModel.getAllMovies()
            .subscribe({
                Timber.d("movies: $it")
                when (it) {
                    is Lce.Loading -> {
                        if (adapter.itemCount == 0 && !binding.swipeToRefresh.isRefreshing) {
                            Timber.d("showing full screen loader")
                            binding.moviesRecycler.showLoadingView()
                        } else {
                            Timber.d("showing swipe refresh loader")
                            binding.swipeToRefresh.isRefreshing = true
                        }
                    }

                    is Lce.Content -> {
                        // check for empty list, it's better to check in view model
                        if (it.packet.isEmpty()) {
                            binding.moviesRecycler.showEmptyView()
                        } else {
                            binding.moviesRecycler.hideAllViews()
                        }
                        adapter.submitList(it.packet)
                        Timber.d("stopping swipe refresh")
                        binding.swipeToRefresh.isRefreshing = false
                    }

                    is Lce.Error -> {
                        // only show error if the list is empty
                        if (adapter.itemCount == 0) {
                            binding.moviesRecycler.showErrorView(it.throwable?.message)
                        }
                        binding.swipeToRefresh.isRefreshing = false
                    }
                }
            }, {
                it.printStackTrace()
                Timber.w("movies stream error")
            })
    }