Complete migration off of Kotlin synthetics

app/build.gradle

@@ -5,8 +5,8 @@ import java.text.SimpleDateFormat
 apply plugin: 'com.android.application'
 apply plugin: 'com.mikepenz.aboutlibraries.plugin'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
+apply plugin: 'kotlin-parcelize'
 apply plugin: 'kotlinx-serialization'
 apply plugin: 'com.github.zellius.shortcut-helper'
 
@@ -123,10 +123,6 @@ android {
     }
 }
 
-androidExtensions {
-    experimental = true
-}
-
 dependencies {
 
     // Source models and interfaces from Tachiyomi 1.x

app/src/main/java/eu/kanade/tachiyomi/ui/base/controller/BaseController.kt

@@ -12,7 +12,6 @@ import com.bluelinelabs.conductor.ControllerChangeHandler
 import com.bluelinelabs.conductor.ControllerChangeType
 import com.bluelinelabs.conductor.RestoreViewOnCreateController
 import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.clearFindViewByIdCache
 import timber.log.Timber
 
 abstract class BaseController<VB : ViewBinding>(bundle: Bundle? = null) :
@@ -54,11 +53,6 @@ abstract class BaseController<VB : ViewBinding>(bundle: Bundle? = null) :
         return inflateView(inflater, container)
     }
 
-    override fun onDestroyView(view: View) {
-        super.onDestroyView(view)
-        clearFindViewByIdCache()
-    }
-
     abstract fun inflateView(inflater: LayoutInflater, container: ViewGroup): View
 
     open fun onViewCreated(view: View) {}

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryAdapter.kt

@@ -1,9 +1,10 @@
 package eu.kanade.tachiyomi.ui.library
 
+import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Category
+import eu.kanade.tachiyomi.databinding.LibraryCategoryBinding
 import eu.kanade.tachiyomi.util.view.inflate
 import eu.kanade.tachiyomi.widget.RecyclerViewPagerAdapter
 
@@ -34,8 +35,9 @@ class LibraryAdapter(private val controller: LibraryController) : RecyclerViewPa
      * @return a new view.
      */
     override fun createView(container: ViewGroup): View {
-        val view = container.inflate(R.layout.library_category) as LibraryCategoryView
-        view.onCreate(controller)
+        val binding = LibraryCategoryBinding.inflate(LayoutInflater.from(container.context), container, false)
+        val view: LibraryCategoryView = binding.root
+        view.onCreate(controller, binding)
         return view
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryCategoryView.kt

@@ -14,12 +14,11 @@ import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.DisplayMode
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.databinding.LibraryCategoryBinding
 import eu.kanade.tachiyomi.util.lang.plusAssign
 import eu.kanade.tachiyomi.util.system.toast
 import eu.kanade.tachiyomi.util.view.inflate
 import eu.kanade.tachiyomi.widget.AutofitRecyclerView
-import kotlinx.android.synthetic.main.library_category.view.fast_scroller
-import kotlinx.android.synthetic.main.library_category.view.swipe_refresh
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -70,15 +69,15 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
 
     private var lastClickPosition = -1
 
-    fun onCreate(controller: LibraryController) {
+    fun onCreate(controller: LibraryController, binding: LibraryCategoryBinding) {
         this.controller = controller
 
         recycler = if (preferences.libraryDisplayMode().get() == DisplayMode.LIST) {
-            (swipe_refresh.inflate(R.layout.library_list_recycler) as RecyclerView).apply {
+            (binding.swipeRefresh.inflate(R.layout.library_list_recycler) as RecyclerView).apply {
                 layoutManager = LinearLayoutManager(context)
             }
         } else {
-            (swipe_refresh.inflate(R.layout.library_grid_recycler) as AutofitRecyclerView).apply {
+            (binding.swipeRefresh.inflate(R.layout.library_grid_recycler) as AutofitRecyclerView).apply {
                 spanCount = controller.mangaPerRow
             }
         }
@@ -87,28 +86,28 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
 
         recycler.setHasFixedSize(true)
         recycler.adapter = adapter
-        swipe_refresh.addView(recycler)
-        adapter.fastScroller = fast_scroller
+        binding.swipeRefresh.addView(recycler)
+        adapter.fastScroller = binding.fastScroller
 
         recycler.scrollStateChanges()
             .onEach {
                 // Disable swipe refresh when view is not at the top
                 val firstPos = (recycler.layoutManager as LinearLayoutManager)
                     .findFirstCompletelyVisibleItemPosition()
-                swipe_refresh.isEnabled = firstPos <= 0
+                binding.swipeRefresh.isEnabled = firstPos <= 0
             }
             .launchIn(scope)
 
         // Double the distance required to trigger sync
-        swipe_refresh.setDistanceToTriggerSync((2 * 64 * resources.displayMetrics.density).toInt())
-        swipe_refresh.refreshes()
+        binding.swipeRefresh.setDistanceToTriggerSync((2 * 64 * resources.displayMetrics.density).toInt())
+        binding.swipeRefresh.refreshes()
             .onEach {
                 if (LibraryUpdateService.start(context, category)) {
                     context.toast(R.string.updating_category)
                 }
 
                 // It can be a very long operation, so we disable swipe refresh and show a toast.
-                swipe_refresh.isRefreshing = false
+                binding.swipeRefresh.isRefreshing = false
             }
             .launchIn(scope)
     }