override fun onCreate()

in ClassicsKotlin/app/src/main/java/com/android/tv/classics/fragments/MediaBrowserFragment.kt [96:166]
45 lines of code
2 McCabe index (conditional complexity)

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        title = getString(R.string.app_name)
        headersState = BrowseSupportFragment.HEADERS_DISABLED
        isHeadersTransitionOnBackEnabled = true

        // Initialize database connection
        database = TvMediaDatabase.getInstance(requireContext())

        // Setup this browser fragment's adapter
        adapter = ArrayObjectAdapter(ListRowPresenter())

        // Each time an item is selected, change the background
        setOnItemViewSelectedListener { _, item, _, row ->
            if (item == null) return@setOnItemViewSelectedListener
            val metadata = item as TvMediaMetadata
            Log.d(TAG, "Row selected: ${row.id}. Item selected: ${metadata.id}")

            // Launch the background tint update task in a coroutine
            lifecycleScope.launch(Dispatchers.IO) {
                metadata.artUri?.let { artUri ->
                    Coil.get(artUri) { allowHardware(false) }.toBitmap()
                }?.let {  artBitmap ->
                    Palette.Builder(artBitmap).generate {

                        // Extract dominant color from the generated palette
                        val dominantColor =
                                it?.getDominantColor(currentTintColor) ?: currentTintColor

                        // Modify color's alpha channel to make it partly transparent
                        val backgroundColor =
                                ColorUtils.setAlphaComponent(dominantColor, BACKGROUND_TINT_ALPHA)

                        // Set the partly transparent dominant color as the background tint
                        Log.d(TAG, "Using dominant color for background tint: $backgroundColor")
                        updateBackgroundTint(backgroundColor)
                    }
                }
            }
        }

        // When user clicks on an item, navigate to the now playing screen
        setOnItemViewClickedListener { _, item, _, _ ->
            val metadata = item as TvMediaMetadata
            Navigation.findNavController(
                    requireActivity(), R.id.fragment_container).navigate(
                    MediaBrowserFragmentDirections.actionToNowPlaying(metadata))
        }

        // Instantiate the credits row, which will be added to the adapter inside [populateAdapter]
        creditsRow = ListRow(HeaderItem(getString(R.string.credits)), object : ObjectAdapter() {
            override fun size(): Int = 0
            override fun get(position: Int): Any? = null
        })

        // Keep track of the synchronization work so we can join it later
        synchronizeJob = lifecycleScope.launch(Dispatchers.IO) {

            // Now that the fragment has been created, we can populate our adapter
            populateAdapter(adapter as ArrayObjectAdapter)

            // Start a one-off synchronization job when fragment is shown, bypassing work manager
            TvMediaSynchronizer.synchronize(requireContext())
        }

        // Pick a random background for our fragment
        backgroundDrawable = lifecycleScope.async(Dispatchers.IO) {
            val backgroundUrl = database.backgrounds().findAll().shuffled().firstOrNull()?.uri
            Coil.getAny(backgroundUrl ?: R.mipmap.bg_browse_fallback)
        }
    }