Replace custom visibility extension functions

(cherry picked from commit 9e51d82154c3b72b710e1efcee5d4bde73a000e3)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/SearchController.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/SourceHolder.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceHolder.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryCompactGridHolder.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryListHolder.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoHeaderAdapter.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/details/ExtensionDetailsHeaderAdapter.kt

@@ -3,12 +3,12 @@ package eu.kanade.tachiyomi.ui.browse.extension.details
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.databinding.ExtensionDetailHeaderBinding
 import eu.kanade.tachiyomi.ui.browse.extension.getApplicationIcon
 import eu.kanade.tachiyomi.util.system.LocaleHelper
-import eu.kanade.tachiyomi.util.view.visible
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -49,18 +49,18 @@ class ExtensionDetailsHeaderAdapter(private val presenter: ExtensionDetailsPrese
                 .launchIn(scope)
 
             if (extension.isObsolete) {
-                binding.extensionWarningBanner.visible()
+                binding.extensionWarningBanner.isVisible = true
                 binding.extensionWarningBanner.setText(R.string.obsolete_extension_message)
             }
 
             if (extension.isUnofficial) {
-                binding.extensionWarningBanner.visible()
+                binding.extensionWarningBanner.isVisible = true
                 binding.extensionWarningBanner.setText(R.string.unofficial_extension_message)
             }
 
             // SY -->
             if (extension.isRedundant) {
-                binding.extensionWarningBanner.visible()
+                binding.extensionWarningBanner.isVisible = true
                 binding.extensionWarningBanner.setText(R.string.redundant_extension_message)
             }
             // SY <--

app/src/main/java/eu/kanade/tachiyomi/ui/browse/latest/LatestHolder.kt

@@ -1,13 +1,12 @@
 package eu.kanade.tachiyomi.ui.browse.latest
 
 import android.view.View
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.LinearLayoutManager
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 import eu.kanade.tachiyomi.ui.browse.source.globalsearch.LatestAdapter
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import kotlinx.android.synthetic.main.latest_controller_card.no_results_found
 import kotlinx.android.synthetic.main.latest_controller_card.progress
 import kotlinx.android.synthetic.main.latest_controller_card.recycler
@@ -62,15 +61,15 @@ class LatestHolder(view: View, val adapter: LatestAdapter) :
 
         when {
             results == null -> {
-                progress.visible()
+                progress.isVisible = true
                 showResultsHolder()
             }
             results.isEmpty() -> {
-                progress.gone()
+                progress.isVisible = false
                 showNoResults()
             }
             else -> {
-                progress.gone()
+                progress.isVisible = false
                 showResultsHolder()
             }
         }
@@ -107,12 +106,12 @@ class LatestHolder(view: View, val adapter: LatestAdapter) :
     }
 
     private fun showResultsHolder() {
-        no_results_found.gone()
+        no_results_found.isVisible = false
-        source_card.visible()
+        source_card.isVisible = true
     }
 
     private fun showNoResults() {
-        no_results_found.visible()
+        no_results_found.isVisible = true
-        source_card.gone()
+        source_card.isVisible = false
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/advanced/design/MigrationBottomSheetDialog.kt

@@ -8,6 +8,7 @@ import android.widget.LinearLayout
 import android.widget.RadioButton
 import android.widget.RadioGroup
 import android.widget.Toast
+import androidx.core.view.isVisible
 import com.bluelinelabs.conductor.Controller
 import com.google.android.material.bottomsheet.BottomSheetDialog
 import com.tfcporciuncula.flow.Preference
@@ -15,8 +16,6 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.ui.browse.migration.MigrationFlags
 import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import kotlinx.android.synthetic.main.migration_bottom_sheet.*
 import kotlinx.android.synthetic.main.migration_bottom_sheet.extra_search_param
 import kotlinx.android.synthetic.main.migration_bottom_sheet.extra_search_param_text
@@ -88,13 +87,9 @@ class MigrationBottomSheetDialog(
         mig_tracking.setOnCheckedChangeListener { _, _ -> setFlags() }
 
         use_smart_search.bindToPreference(preferences.smartMigration())
-        extra_search_param_text.gone()
+        extra_search_param_text.isVisible = false
         extra_search_param.setOnCheckedChangeListener { _, isChecked ->
-            if (isChecked) {
+            extra_search_param_text.isVisible = isChecked
-                extra_search_param_text.visible()
-            } else {
-                extra_search_param_text.gone()
-            }
         }
         sourceGroup.bindToPreference(preferences.useSourceWithMost())
 

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/advanced/process/MigrationProcessHolder.kt

@@ -2,6 +2,8 @@ package eu.kanade.tachiyomi.ui.browse.migration.advanced.process
 
 import android.view.View
 import android.widget.PopupMenu
+import androidx.core.view.isInvisible
+import androidx.core.view.isVisible
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.google.gson.Gson
 import eu.kanade.tachiyomi.R
@@ -17,10 +19,7 @@ import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.util.lang.launchUI
 import eu.kanade.tachiyomi.util.system.getResourceColor
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.invisible
 import eu.kanade.tachiyomi.util.view.setVectorCompat
-import eu.kanade.tachiyomi.util.view.visible
 import exh.MERGED_SOURCE_ID
 import java.text.DecimalFormat
 import kotlinx.android.synthetic.main.migration_manga_card.view.gradient
@@ -75,8 +74,8 @@ class MigrationProcessHolder(
                         .attr.colorOnPrimary
                 )
             )
-            migration_menu.invisible()
+            migration_menu.isInvisible = true
-            skip_manga.visible()
+            skip_manga.isVisible = true
             migration_manga_card_to.resetManga()
             if (manga != null) {
                 withContext(Dispatchers.Main) {
@@ -124,12 +123,12 @@ class MigrationProcessHolder(
                             )
                         }
                     } else {
-                        migration_manga_card_to.loading_group.gone()
+                        migration_manga_card_to.loading_group.isVisible = false
                         migration_manga_card_to.title.text = view.context.applicationContext
                             .getString(R.string.no_alternatives_found)
                     }
-                    migration_menu.visible()
+                    migration_menu.isVisible = true
-                    skip_manga.gone()
+                    skip_manga.isVisible = false
                     adapter.sourceFinished()
                 }
             }
@@ -137,18 +136,18 @@ class MigrationProcessHolder(
     }
 
     private fun View.resetManga() {
-        loading_group.visible()
+        loading_group.isVisible = true
         thumbnail.setImageDrawable(null)
         title.text = ""
         manga_source_label.text = ""
         manga_chapters.text = ""
-        manga_chapters.gone()
+        manga_chapters.isVisible = false
         manga_last_chapter_label.text = ""
         migration_manga_card_to.setOnClickListener(null)
     }
 
     private fun View.attachManga(manga: Manga, source: Source) {
-        loading_group.gone()
+        loading_group.isVisible = false
         GlideApp.with(view.context.applicationContext)
             .load(manga.toMangaThumbnail())
             .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
@@ -162,7 +161,7 @@ class MigrationProcessHolder(
             manga.originalTitle
         }
 
-        gradient.visible()
+        gradient.isVisible = true
         manga_source_label.text = if (source.id == MERGED_SOURCE_ID) {
             MergedSource.MangaConfig.readFromUrl(gson, manga.url).children.map {
                 sourceManager.getOrStub(it.source).toString()
@@ -172,7 +171,7 @@ class MigrationProcessHolder(
         }
 
         val mangaChapters = db.getChapters(manga).executeAsBlocking()
-        manga_chapters.visible()
+        manga_chapters.isVisible = true
         manga_chapters.text = mangaChapters.size.toString()
         val latestChapter = mangaChapters.maxBy { it.chapter_number }?.chapter_number ?: -1f
 

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/SourceHolder.kt

@@ -1,10 +1,10 @@
 package eu.kanade.tachiyomi.ui.browse.migration.sources
 
 import android.view.View
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.source.icon
 import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 import eu.kanade.tachiyomi.ui.base.holder.SlicedHolder
-import eu.kanade.tachiyomi.util.view.gone
 import io.github.mthli.slice.Slice
 import kotlinx.android.synthetic.main.source_main_controller_card_item.card
 import kotlinx.android.synthetic.main.source_main_controller_card_item.image
@@ -24,7 +24,7 @@ class SourceHolder(view: View, override val adapter: SourceAdapter) :
         get() = card
 
     init {
-        source_latest.gone()
+        source_latest.isVisible = false
         // SY -->
         source_browse.text = "All"
         source_browse.setOnClickListener {

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceHolder.kt

@@ -1,13 +1,12 @@
 package eu.kanade.tachiyomi.ui.browse.source
 
 import android.view.View
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.source.LocalSource
 import eu.kanade.tachiyomi.source.icon
 import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 import eu.kanade.tachiyomi.ui.base.holder.SlicedHolder
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import io.github.mthli.slice.Slice
 import kotlinx.android.synthetic.main.source_main_controller_card_item.card
 import kotlinx.android.synthetic.main.source_main_controller_card_item.image
@@ -37,8 +36,8 @@ class SourceHolder(view: View, override val adapter: SourceAdapter /* SY --> */,
 
         // SY -->
         if (!showButtons) {
-            source_browse.gone()
+            source_browse.isVisible = false
-            source_latest.gone()
+            source_latest.isVisible = false
         }
         // SY <--
     }
@@ -60,10 +59,6 @@ class SourceHolder(view: View, override val adapter: SourceAdapter /* SY --> */,
         }
 
         source_browse.setText(R.string.browse)
-        if (source.supportsLatest /* SY --> */ && showButtons /* SY <-- */) {
+        source_latest.isVisible = source.supportsLatest/* SY --> */ && showButtons /* SY <-- */
-            source_latest.visible()
-        } else {
-            source_latest.gone()
-        }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceController.kt

@@ -10,6 +10,7 @@ import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.widget.SearchView
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -47,11 +48,9 @@ import eu.kanade.tachiyomi.ui.webview.WebViewActivity
 import eu.kanade.tachiyomi.util.system.connectivityManager
 import eu.kanade.tachiyomi.util.system.openInBrowser
 import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.inflate
 import eu.kanade.tachiyomi.util.view.shrinkOnScroll
 import eu.kanade.tachiyomi.util.view.snack
-import eu.kanade.tachiyomi.util.view.visible
 import eu.kanade.tachiyomi.widget.AutofitRecyclerView
 import eu.kanade.tachiyomi.widget.EmptyView
 import exh.EXHSavedSearch
@@ -180,7 +179,7 @@ open class BrowseSourceController(bundle: Bundle) :
         adapter = FlexibleAdapter(null, this)
         setupRecycler(view)
 
-        binding.progress.visible()
+        binding.progress.isVisible = true
     }
 
     open fun initFilterSheet() {
@@ -305,19 +304,19 @@ open class BrowseSourceController(bundle: Bundle) :
         filterSheet?.setFilters(presenter.filterItems)
 
         // TODO: [ExtendedFloatingActionButton] hide/show methods don't work properly
-        filterSheet?.setOnShowListener { actionFab?.gone() }
+        filterSheet?.setOnShowListener { actionFab?.isVisible = false }
-        filterSheet?.setOnDismissListener { actionFab?.visible() }
+        filterSheet?.setOnDismissListener { actionFab?.isVisible = true }
 
         actionFab?.setOnClickListener { filterSheet?.show() }
 
-        actionFab?.visible()
+        actionFab?.isVisible = true
     }
 
     override fun configureFab(fab: ExtendedFloatingActionButton) {
         actionFab = fab
 
         // Controlled by initFilterSheet()
-        fab.gone()
+        fab.isVisible = false
 
         fab.setText(R.string.action_filter)
         fab.setIconResource(R.drawable.ic_filter_list_24dp)
@@ -687,7 +686,7 @@ open class BrowseSourceController(bundle: Bundle) :
      */
     private fun showProgressBar() {
         binding.emptyView.hide()
-        binding.progress.visible()
+        binding.progress.isVisible = true
         snack?.dismiss()
         snack = null
     }
@@ -697,7 +696,7 @@ open class BrowseSourceController(bundle: Bundle) :
      */
     private fun hideProgressBar() {
         binding.emptyView.hide()
-        binding.progress.gone()
+        binding.progress.isVisible = false
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/ProgressItem.kt

@@ -3,14 +3,13 @@ package eu.kanade.tachiyomi.ui.browse.source.browse
 import android.view.View
 import android.widget.ProgressBar
 import android.widget.TextView
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import eu.davidea.flexibleadapter.items.IFlexible
 import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 
 class ProgressItem : AbstractFlexibleItem<ProgressItem.Holder>() {
 
@@ -25,17 +24,17 @@ class ProgressItem : AbstractFlexibleItem<ProgressItem.Holder>() {
     }
 
     override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<RecyclerView.ViewHolder>>, holder: Holder, position: Int, payloads: List<Any?>) {
-        holder.progressBar.gone()
+        holder.progressBar.isVisible = false
-        holder.progressMessage.gone()
+        holder.progressMessage.isVisible = false
 
         if (!adapter.isEndlessScrollEnabled) {
             loadMore = false
         }
 
         if (loadMore) {
-            holder.progressBar.visible()
+            holder.progressBar.isVisible = true
         } else {
-            holder.progressMessage.visible()
+            holder.progressMessage.isVisible = true
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SavedSearchesAdapter.kt

@@ -3,11 +3,10 @@ package eu.kanade.tachiyomi.ui.browse.source.browse
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.chip.Chip
 import eu.kanade.tachiyomi.databinding.SourceFilterSheetSavedSearchesBinding
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 
 class SavedSearchesAdapter(var chips: List<Chip> = emptyList()) :
     RecyclerView.Adapter<SavedSearchesAdapter.SavedSearchesViewHolder>() {
@@ -29,9 +28,9 @@ class SavedSearchesAdapter(var chips: List<Chip> = emptyList()) :
         fun bind(chips: List<Chip> = emptyList()) {
             binding.savedSearches.removeAllViews()
             if (chips.isEmpty()) {
-                binding.savedSearchesTitle.gone()
+                binding.savedSearchesTitle.isVisible = false
             } else {
-                binding.savedSearchesTitle.visible()
+                binding.savedSearchesTitle.isVisible = true
                 chips.forEach {
                     binding.savedSearches.addView(it)
                 }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceFilterSheet.kt

@@ -6,13 +6,13 @@ import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.ConcatAdapter
 import com.google.android.material.bottomsheet.BottomSheetDialog
 import com.google.android.material.chip.Chip
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.items.IFlexible
 import eu.kanade.tachiyomi.databinding.SourceFilterSheetBinding
-import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.inflate
 import eu.kanade.tachiyomi.widget.SimpleNavigationView
 import exh.EXHSavedSearch
@@ -130,7 +130,7 @@ class SourceFilterSheet(
         }
 
         fun hideFilterButton() {
-            binding.filterBtn.gone()
+            binding.filterBtn.isVisible = false
         }
 
         companion object {

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchHolder.kt

@@ -1,11 +1,10 @@
 package eu.kanade.tachiyomi.ui.browse.source.globalsearch
 
 import android.view.View
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.LinearLayoutManager
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import kotlinx.android.synthetic.main.global_search_controller_card.no_results_found
 import kotlinx.android.synthetic.main.global_search_controller_card.progress
 import kotlinx.android.synthetic.main.global_search_controller_card.recycler
@@ -58,15 +57,15 @@ class GlobalSearchHolder(view: View, val adapter: GlobalSearchAdapter) :
 
         when {
             results == null -> {
-                progress.visible()
+                progress.isVisible = true
                 showResultsHolder()
             }
             results.isEmpty() -> {
-                progress.gone()
+                progress.isVisible = false
                 showNoResults()
             }
             else -> {
-                progress.gone()
+                progress.isVisible = false
                 showResultsHolder()
             }
         }
@@ -103,12 +102,12 @@ class GlobalSearchHolder(view: View, val adapter: GlobalSearchAdapter) :
     }
 
     private fun showResultsHolder() {
-        no_results_found.gone()
+        no_results_found.isVisible = false
-        source_card.visible()
+        source_card.isVisible = true
     }
 
     private fun showNoResults() {
-        no_results_found.visible()
+        no_results_found.isVisible = true
-        source_card.gone()
+        source_card.isVisible = false
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/category/sources/SourceCategoryHolder.kt

@@ -1,8 +1,8 @@
 package eu.kanade.tachiyomi.ui.category.sources
 
 import android.view.View
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import eu.kanade.tachiyomi.util.view.gone
 import kotlinx.android.synthetic.main.categories_item.reorder
 import kotlinx.android.synthetic.main.categories_item.title
 
@@ -21,6 +21,6 @@ class SourceCategoryHolder(view: View, val adapter: SourceCategoryAdapter) : Bas
     fun bind(category: String) {
         // Set capitalized title.
         title.text = category
-        reorder.gone()
+        reorder.isVisible = false
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/download/DownloadController.kt

@@ -6,6 +6,7 @@ import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
@@ -16,9 +17,7 @@ import eu.kanade.tachiyomi.databinding.DownloadControllerBinding
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.ui.base.controller.FabController
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
-import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.shrinkOnScroll
-import eu.kanade.tachiyomi.util.view.visible
 import java.util.concurrent.TimeUnit
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
@@ -284,11 +283,11 @@ class DownloadController :
     private fun setInformationView() {
         if (presenter.downloadQueue.isEmpty()) {
             binding.emptyView.show(R.string.information_no_downloads)
-            actionFab?.gone()
+            actionFab?.isVisible = false
         } else {
             binding.emptyView.hide()
             actionFab?.apply {
-                visible()
+                isVisible = true
 
                 setText(
                     if (isRunning) {

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

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.ui.library
 
 import android.view.View
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import eu.davidea.flexibleadapter.FlexibleAdapter
@@ -8,7 +9,6 @@ import eu.davidea.flexibleadapter.items.IFlexible
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
 import eu.kanade.tachiyomi.util.isLocal
-import eu.kanade.tachiyomi.util.view.visibleIf
 import kotlinx.android.synthetic.main.source_comfortable_grid_item.badges
 import kotlinx.android.synthetic.main.source_comfortable_grid_item.card
 import kotlinx.android.synthetic.main.source_comfortable_grid_item.download_text
@@ -46,16 +46,16 @@ class LibraryComfortableGridHolder(
 
         // Update the unread count and its visibility.
         with(unread_text) {
-            visibleIf { item.unreadCount > 0 }
+            isVisible = item.unreadCount > 0
             text = item.unreadCount.toString()
         }
         // Update the download count and its visibility.
         with(download_text) {
-            visibleIf { item.downloadCount > 0 }
+            isVisible = item.downloadCount > 0
             text = item.downloadCount.toString()
         }
         // set local visibility if its local manga
-        local_text.visibleIf { item.manga.isLocal() }
+        local_text.isVisible = item.manga.isLocal()
 
         // For rounded corners
         card.clipToOutline = true

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

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.ui.library
 
 import android.view.View
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import eu.davidea.flexibleadapter.FlexibleAdapter
@@ -8,7 +9,6 @@ import eu.davidea.flexibleadapter.items.IFlexible
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
 import eu.kanade.tachiyomi.util.isLocal
-import eu.kanade.tachiyomi.util.view.visibleIf
 import kotlinx.android.synthetic.main.source_compact_grid_item.badges
 import kotlinx.android.synthetic.main.source_compact_grid_item.card
 import kotlinx.android.synthetic.main.source_compact_grid_item.download_text
@@ -48,16 +48,16 @@ open class LibraryCompactGridHolder(
 
         // Update the unread count and its visibility.
         with(unread_text) {
-            visibleIf { item.unreadCount > 0 }
+            isVisible = item.unreadCount > 0
             text = item.unreadCount.toString()
         }
         // Update the download count and its visibility.
         with(download_text) {
-            visibleIf { item.downloadCount > 0 }
+            isVisible = item.downloadCount > 0
             text = item.downloadCount.toString()
         }
         // set local visibility if its local manga
-        local_text.visibleIf { item.manga.isLocal() }
+        local_text.isVisible = item.manga.isLocal()
 
         // For rounded corners
         card.clipToOutline = true

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

@@ -13,6 +13,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.SearchView
 import androidx.core.graphics.drawable.DrawableCompat
+import androidx.core.view.isVisible
 import com.afollestad.materialdialogs.MaterialDialog
 import com.bluelinelabs.conductor.ControllerChangeHandler
 import com.bluelinelabs.conductor.ControllerChangeType
@@ -40,8 +41,6 @@ import eu.kanade.tachiyomi.ui.main.offsetAppbarHeight
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import exh.favorites.FavoritesIntroDialog
 import exh.favorites.FavoritesSyncStatus
 import exh.ui.LoaderManager
@@ -221,7 +220,7 @@ class LibraryController(
         }
 
         if (preferences.downloadedOnly().get()) {
-            binding.downloadedOnly.visible()
+            binding.downloadedOnly.isVisible = true
         }
 
         binding.btnGlobalSearch.clicks()
@@ -440,11 +439,11 @@ class LibraryController(
     private fun performSearch() {
         searchRelay.call(query)
         if (!query.isNullOrEmpty()) {
-            binding.btnGlobalSearch.visible()
+            binding.btnGlobalSearch.isVisible = true
             binding.btnGlobalSearch.text =
                 resources?.getString(R.string.action_global_search_query, query)
         } else {
-            binding.btnGlobalSearch.gone()
+            binding.btnGlobalSearch.isVisible = false
         }
     }
 

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

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.ui.library
 
 import android.view.View
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.load.resource.bitmap.CenterCrop
@@ -12,7 +13,6 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
 import eu.kanade.tachiyomi.util.isLocal
-import eu.kanade.tachiyomi.util.view.visibleIf
 import kotlinx.android.synthetic.main.source_list_item.badges
 import kotlinx.android.synthetic.main.source_list_item.download_text
 import kotlinx.android.synthetic.main.source_list_item.local_text
@@ -52,16 +52,16 @@ class LibraryListHolder(
 
         // Update the unread count and its visibility.
         with(unread_text) {
-            visibleIf { item.unreadCount > 0 }
+            isVisible = item.unreadCount > 0
             text = item.unreadCount.toString()
         }
         // Update the download count and its visibility.
         with(download_text) {
-            visibleIf { item.downloadCount > 0 }
+            isVisible = item.downloadCount > 0
             text = "${item.downloadCount}"
         }
         // show local text badge if local manga
-        local_text.visibleIf { item.manga.isLocal() }
+        local_text.isVisible = item.manga.isLocal()
 
         // Create thumbnail onclick to simulate long click
         thumbnail.setOnClickListener {

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -11,6 +11,7 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
 import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.core.view.isVisible
 import com.bluelinelabs.conductor.Conductor
 import com.bluelinelabs.conductor.Controller
 import com.bluelinelabs.conductor.ControllerChangeHandler
@@ -43,9 +44,7 @@ import eu.kanade.tachiyomi.ui.recent.updates.UpdatesController
 import eu.kanade.tachiyomi.util.lang.launchIO
 import eu.kanade.tachiyomi.util.lang.launchUI
 import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.snack
-import eu.kanade.tachiyomi.util.view.visible
 import exh.EH_SOURCE_ID
 import exh.EIGHTMUSES_SOURCE_ID
 import exh.EXHMigrations
@@ -431,11 +430,11 @@ class MainActivity : BaseActivity<MainActivityBinding>() {
         }
 
         if (from is FabController) {
-            binding.rootFab.gone()
+            binding.rootFab.isVisible = false
             from.cleanupFab(binding.rootFab)
         }
         if (to is FabController) {
-            binding.rootFab.visible()
+            binding.rootFab.isVisible = true
             to.configureFab(binding.rootFab)
         }
 

app/src/main/java/eu/kanade/tachiyomi/ui/manga/EditMangaDialog.kt

@@ -6,6 +6,7 @@ import android.os.Bundle
 import android.text.InputType
 import android.view.View
 import androidx.core.view.children
+import androidx.core.view.isVisible
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.customview.customView
 import com.afollestad.materialdialogs.input.getInputField
@@ -23,7 +24,6 @@ import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.util.lang.chop
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.view.visibleIf
 import exh.util.trimOrNull
 import kotlinx.android.synthetic.main.edit_manga_dialog.view.cover_layout
 import kotlinx.android.synthetic.main.edit_manga_dialog.view.manga_artist
@@ -135,7 +135,7 @@ class EditMangaDialog : DialogController {
             infoController.changeCover()
         }
         view.reset_tags.setOnClickListener { resetTags() }
-        view.reset_cover.visibleIf { !isLocal }
+        view.reset_cover.isVisible = !isLocal
         view.reset_cover.setOnClickListener {
             view.context.toast(R.string.cover_reset_toast)
             customCoverUri = null

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt

@@ -14,6 +14,7 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.ConcatAdapter
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
@@ -69,10 +70,8 @@ import eu.kanade.tachiyomi.util.hasCustomCover
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.toast
 import eu.kanade.tachiyomi.util.view.getCoordinates
-import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.shrinkOnScroll
 import eu.kanade.tachiyomi.util.view.snack
-import eu.kanade.tachiyomi.util.view.visible
 import exh.metadata.metadata.base.FlatMetadata
 import exh.metadata.metadata.base.RaisedSearchMetadata
 import java.io.IOException
@@ -364,7 +363,7 @@ class MangaController :
         if (view == null) return
 
         // Check if animation view is visible
-        if (binding.revealView.visibility == View.VISIBLE) {
+        if (binding.revealView.isVisible) {
             // Show the unreveal effect
             actionFab?.getCoordinates()?.let { coordinates ->
                 binding.revealView.hideRevealEffect(coordinates.x, coordinates.y, 1920)
@@ -973,7 +972,7 @@ class MangaController :
 
             // Hide FAB to avoid interfering with the bottom action toolbar
             // actionFab?.hide()
-            actionFab?.gone()
+            actionFab?.isVisible = false
         }
         return false
     }
@@ -1008,7 +1007,7 @@ class MangaController :
         // TODO: there seems to be a bug in MaterialComponents where the [ExtendedFloatingActionButton]
         // fails to show up properly
         // actionFab?.show()
-        actionFab?.visible()
+        actionFab?.isVisible = true
     }
 
     override fun onDetach(view: View) {

app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChapterHolder.kt

@@ -4,11 +4,11 @@ import android.text.SpannableString
 import android.text.SpannableStringBuilder
 import android.text.style.ForegroundColorSpan
 import android.view.View
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import eu.kanade.tachiyomi.util.view.visibleIf
 import java.util.Date
 import kotlinx.android.synthetic.main.chapters_item.bookmark_icon
 import kotlinx.android.synthetic.main.chapters_item.chapter_description
@@ -40,7 +40,7 @@ class ChapterHolder(
         chapter_title.setTextColor(chapterColor)
         chapter_description.setTextColor(chapterColor)
 
-        bookmark_icon.visibleIf { chapter.bookmark }
+        bookmark_icon.isVisible = chapter.bookmark
 
         val descriptions = mutableListOf<CharSequence>()
 

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoButtonsAdapter.kt

@@ -3,12 +3,11 @@ package eu.kanade.tachiyomi.ui.manga.info
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.databinding.MangaInfoButtonsBinding
 import eu.kanade.tachiyomi.ui.manga.MangaController
-import eu.kanade.tachiyomi.util.view.visible
-import eu.kanade.tachiyomi.util.view.visibleIf
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -43,13 +42,13 @@ class MangaInfoButtonsAdapter(
         fun bind() {
             // EXH -->
             if (controller.smartSearchConfig == null) {
-                binding.recommendBtn.visibleIf { !preferences.recommendsInOverflow().get() }
+                binding.recommendBtn.isVisible = !preferences.recommendsInOverflow().get()
                 binding.recommendBtn.clicks()
                     .onEach { controller.openRecommends() }
                     .launchIn(scope)
             } else {
                 if (controller.smartSearchConfig.origMangaId != null) {
-                    binding.mergeBtn.visible()
+                    binding.mergeBtn.isVisible = true
                 }
                 binding.mergeBtn.clicks()
                     .onEach {

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoHeaderAdapter.kt

@@ -21,9 +21,7 @@ import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.all.MergedSource
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.util.system.copyToClipboard
-import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.setTooltip
-import eu.kanade.tachiyomi.util.view.visible
 import exh.MERGED_SOURCE_ID
 import exh.util.SourceTagsUtil
 import kotlinx.coroutines.CoroutineScope
@@ -100,7 +98,7 @@ class MangaInfoHeaderAdapter(
 
             with(binding.btnTracking) {
                 if (trackManager.hasLoggedServices()) {
-                    visible()
+                    isVisible = true
 
                     if (trackCount > 0) {
                         setIconResource(R.drawable.ic_done_24dp)
@@ -116,18 +114,18 @@ class MangaInfoHeaderAdapter(
                         .onEach { controller.onTrackingClick() }
                         .launchIn(scope)
                 } else {
-                    gone()
+                    isVisible = false
                 }
             }
 
             if (controller.presenter.source is HttpSource) {
-                binding.btnWebview.visible()
+                binding.btnWebview.isVisible = true
                 binding.btnWebview.clicks()
                     .onEach { controller.openMangaInWebView() }
                     .launchIn(scope)
                 binding.btnWebview.setTooltip(R.string.action_open_in_web_view)
 
-                binding.btnShare.visible()
+                binding.btnShare.isVisible = true
                 binding.btnShare.clicks()
                     .onEach { controller.shareManga() }
                     .launchIn(scope)
@@ -136,13 +134,13 @@ class MangaInfoHeaderAdapter(
 
             // SY -->
             if (controller.presenter.manga.favorite) {
-                binding.btnMigrate.visible()
+                binding.btnMigrate.isVisible = true
                 binding.btnMigrate.clicks()
                     .onEach { controller.migrateManga() }
                     .launchIn(scope)
                 binding.btnMigrate.setTooltip(R.string.migrate)
 
-                binding.btnSmartSearch.visible()
+                binding.btnSmartSearch.isVisible = true
                 binding.btnSmartSearch.clicks()
                     .onEach { controller.openSmartSearch() }
                     .launchIn(scope)

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoItemAdapter.kt

@@ -5,6 +5,7 @@ import android.text.TextUtils
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import eu.davidea.flexibleadapter.FlexibleAdapter
@@ -15,9 +16,6 @@ import eu.kanade.tachiyomi.databinding.MangaInfoItemBinding
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.util.system.copyToClipboard
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
-import eu.kanade.tachiyomi.util.view.visibleIf
 import exh.isEhBasedSource
 import exh.isNamespaceSource
 import exh.metadata.metadata.base.RaisedSearchMetadata
@@ -115,7 +113,7 @@ class MangaInfoItemAdapter(
                 }
 
                 if (binding.mangaSummary.text == "meta") {
-                    binding.mangaSummary.gone()
+                    binding.mangaSummary.isVisible = false
                     binding.mangaSummaryLabel.setText(R.string.tags)
                 }
 
@@ -144,7 +142,7 @@ class MangaInfoItemAdapter(
                     binding.mangaGenresTagsCompactChips.setChipsExtended(manga.getGenres(), controller::performSearch, controller::performGlobalSearch, source?.id ?: 0)
                     // SY <--
                 } else {
-                    binding.mangaGenresTagsWrapper.gone()
+                    binding.mangaGenresTagsWrapper.isVisible = false
                 }
 
                 // Handle showing more or less info
@@ -161,10 +159,10 @@ class MangaInfoItemAdapter(
         }
 
         private fun showMangaInfo(visible: Boolean) {
-            binding.mangaSummaryLabel.visibleIf { visible }
+            binding.mangaSummaryLabel.isVisible = visible
-            binding.mangaSummary.visibleIf { visible }
+            binding.mangaSummary.isVisible = visible
-            binding.mangaGenresTagsWrapper.visibleIf { visible }
+            binding.mangaGenresTagsWrapper.isVisible = visible
-            binding.mangaInfoToggle.visibleIf { visible }
+            binding.mangaInfoToggle.isVisible = visible
         }
 
         private fun toggleMangaInfo(context: Context) {
@@ -201,12 +199,12 @@ class MangaInfoItemAdapter(
                     }
             }
 
-            binding.mangaGenresTagsCompact.visibleIf { isExpanded }
+            binding.mangaGenresTagsCompact.isVisible = isExpanded
             // SY -->
             if (!source.isNamespaceSource()) {
-                binding.mangaGenresTagsFullChips.visibleIf { !isExpanded }
+                binding.mangaGenresTagsFullChips.isVisible = !isExpanded
             } else {
-                binding.genreGroups.visibleIf { !isExpanded }
+                binding.genreGroups.isVisible = !isExpanded
             }
             // SY <--
         }

app/src/main/java/eu/kanade/tachiyomi/ui/manga/track/TrackHolder.kt

@@ -1,11 +1,10 @@
 package eu.kanade.tachiyomi.ui.manga.track
 
 import android.annotation.SuppressLint
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.databinding.TrackItemBinding
 import eu.kanade.tachiyomi.ui.base.holder.BaseViewHolder
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visibleIf
 import java.text.DateFormat
 import uy.kohesive.injekt.injectLazy
 
@@ -40,10 +39,10 @@ class TrackHolder(private val binding: TrackItemBinding, adapter: TrackAdapter)
         binding.trackLogo.setImageResource(item.service.getLogo())
         binding.logoContainer.setBackgroundColor(item.service.getLogoColor())
 
-        binding.trackSet.visibleIf { track == null }
+        binding.trackSet.isVisible = track == null
-        binding.trackTitle.visibleIf { track != null }
+        binding.trackTitle.isVisible = track != null
 
-        binding.trackDetails.visibleIf { track != null }
+        binding.trackDetails.isVisible = track != null
         if (track != null) {
             binding.trackTitle.text = track.title
             binding.trackChapters.text = "${track.last_chapter_read}/" +
@@ -57,10 +56,10 @@ class TrackHolder(private val binding: TrackItemBinding, adapter: TrackAdapter)
                 binding.trackFinishDate.text =
                     if (track.finished_reading_date != 0L) dateFormat.format(track.finished_reading_date) else "-"
             } else {
-                binding.bottomDivider.gone()
+                binding.bottomDivider.isVisible = false
-                binding.vertDivider3.gone()
+                binding.vertDivider3.isVisible = false
-                binding.trackStartDate.gone()
+                binding.trackStartDate.isVisible = false
-                binding.trackFinishDate.gone()
+                binding.trackFinishDate.isVisible = false
             }
         }
     }

app/src/main/java/eu/kanade/tachiyomi/ui/manga/track/TrackSearchAdapter.kt

@@ -4,11 +4,11 @@ import android.content.Context
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ArrayAdapter
+import androidx.core.view.isVisible
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.track.model.TrackSearch
-import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.inflate
 import kotlinx.android.synthetic.main.track_search_item.view.track_search_cover
 import kotlinx.android.synthetic.main.track_search_item.view.track_search_start
@@ -62,22 +62,22 @@ class TrackSearchAdapter(context: Context) :
             }
 
             if (track.publishing_status.isBlank()) {
-                view.track_search_status.gone()
+                view.track_search_status.isVisible = false
-                view.track_search_status_result.gone()
+                view.track_search_status_result.isVisible = false
             } else {
                 view.track_search_status_result.text = track.publishing_status.capitalize()
             }
 
             if (track.publishing_type.isBlank()) {
-                view.track_search_type.gone()
+                view.track_search_type.isVisible = false
-                view.track_search_type_result.gone()
+                view.track_search_type_result.isVisible = false
             } else {
                 view.track_search_type_result.text = track.publishing_type.capitalize()
             }
 
             if (track.start_date.isBlank()) {
-                view.track_search_start.gone()
+                view.track_search_start.isVisible = false
-                view.track_search_start_result.gone()
+                view.track_search_start_result.isVisible = false
             } else {
                 view.track_search_start_result.text = track.start_date
             }

app/src/main/java/eu/kanade/tachiyomi/ui/manga/track/TrackSearchDialog.kt

@@ -3,6 +3,8 @@ package eu.kanade.tachiyomi.ui.manga.track
 import android.app.Dialog
 import android.os.Bundle
 import android.view.View
+import androidx.core.view.isInvisible
+import androidx.core.view.isVisible
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.customview.customView
 import eu.kanade.tachiyomi.R
@@ -11,8 +13,6 @@ import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
-import eu.kanade.tachiyomi.util.view.invisible
-import eu.kanade.tachiyomi.util.view.visible
 import java.util.concurrent.TimeUnit
 import kotlinx.android.synthetic.main.track_search_dialog.view.progress
 import kotlinx.android.synthetic.main.track_search_dialog.view.track_search
@@ -108,23 +108,23 @@ class TrackSearchDialog : DialogController {
 
     private fun search(query: String) {
         val view = dialogView ?: return
-        view.progress.visible()
+        view.progress.isVisible = true
-        view.track_search_list.invisible()
+        view.track_search_list.isInvisible = true
         trackController.presenter.search(query, service)
     }
 
     fun onSearchResults(results: List<TrackSearch>) {
         selectedItem = null
         val view = dialogView ?: return
-        view.progress.invisible()
+        view.progress.isInvisible = true
-        view.track_search_list.visible()
+        view.track_search_list.isVisible = true
         adapter?.setItems(results)
     }
 
     fun onSearchResultsError() {
         val view = dialogView ?: return
-        view.progress.visible()
+        view.progress.isVisible = true
-        view.track_search_list.invisible()
+        view.track_search_list.isInvisible = true
         adapter?.setItems(emptyList())
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -21,6 +21,7 @@ import android.view.animation.Animation
 import android.view.animation.AnimationUtils
 import android.widget.SeekBar
 import androidx.core.view.ViewCompat
+import androidx.core.view.isVisible
 import com.afollestad.materialdialogs.MaterialDialog
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
 import com.elvishew.xlog.XLog
@@ -55,12 +56,10 @@ import eu.kanade.tachiyomi.util.storage.getUriCompat
 import eu.kanade.tachiyomi.util.system.GLUtil
 import eu.kanade.tachiyomi.util.system.toast
 import eu.kanade.tachiyomi.util.view.defaultBar
-import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.hideBar
 import eu.kanade.tachiyomi.util.view.isDefaultBar
 import eu.kanade.tachiyomi.util.view.showBar
 import eu.kanade.tachiyomi.util.view.snack
-import eu.kanade.tachiyomi.util.view.visible
 import eu.kanade.tachiyomi.widget.SimpleAnimationListener
 import eu.kanade.tachiyomi.widget.SimpleSeekBarListener
 import exh.util.defaultReaderType
@@ -196,10 +195,10 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
     // --> EH
     private fun setEhUtilsVisibility(visible: Boolean) {
         if (visible) {
-            binding.ehUtils.visible()
+            binding.ehUtils.isVisible = true
             binding.expandEhButton.setImageResource(R.drawable.ic_keyboard_arrow_up_white_32dp)
         } else {
-            binding.ehUtils.gone()
+            binding.ehUtils.isVisible = false
             binding.expandEhButton.setImageResource(R.drawable.ic_keyboard_arrow_down_white_32dp)
         }
     }
@@ -578,7 +577,7 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
             } else {
                 resetDefaultMenuAndBar()
             }
-            binding.readerMenu.visible()
+            binding.readerMenu.isVisible = true
 
             if (animate) {
                 val toolbarAnimation = AnimationUtils.loadAnimation(this, R.anim.enter_from_top)
@@ -610,7 +609,7 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
                 val toolbarAnimation = AnimationUtils.loadAnimation(this, R.anim.exit_to_top)
                 toolbarAnimation.setAnimationListener(object : SimpleAnimationListener() {
                     override fun onAnimationEnd(animation: Animation) {
-                        binding.readerMenu.gone()
+                        binding.readerMenu.isVisible = false
                     }
                 })
                 // EXH -->
@@ -670,7 +669,7 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
 
         binding.pageSeekbar.isRTL = newViewer is R2LPagerViewer
 
-        binding.pleaseWait.visible()
+        binding.pleaseWait.isVisible = true
         binding.pleaseWait.startAnimation(AnimationUtils.loadAnimation(this, R.anim.fade_in_long))
     }
 
@@ -684,7 +683,7 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
      * method to the current viewer, but also set the subtitle on the toolbar.
      */
     fun setChapters(viewerChapters: ViewerChapters) {
-        binding.pleaseWait.gone()
+        binding.pleaseWait.isVisible = false
         viewer?.setChapters(viewerChapters)
         binding.toolbar.subtitle = viewerChapters.currChapter.chapter.name
 
@@ -1020,7 +1019,7 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
                     .onEach { setColorFilterValue(it) }
                     .launchIn(scope)
             } else {
-                binding.colorOverlay.gone()
+                binding.colorOverlay.isVisible = false
             }
         }
 
@@ -1046,11 +1045,11 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
 
             // Set black overlay visibility.
             if (value < 0) {
-                binding.brightnessOverlay.visible()
+                binding.brightnessOverlay.isVisible = true
                 val alpha = (abs(value) * 2.56).toInt()
                 binding.brightnessOverlay.setBackgroundColor(Color.argb(alpha, 0, 0, 0))
             } else {
-                binding.brightnessOverlay.gone()
+                binding.brightnessOverlay.isVisible = false
             }
         }
 
@@ -1058,7 +1057,7 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
          * Sets the color filter [value].
          */
         private fun setColorFilterValue(value: Int) {
-            binding.colorOverlay.visible()
+            binding.colorOverlay.isVisible = true
             binding.colorOverlay.setFilterColor(value, preferences.colorFilterMode().get())
         }
     }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderSettingsSheet.kt

@@ -4,6 +4,8 @@ import android.os.Bundle
 import android.widget.CompoundButton
 import android.widget.Spinner
 import androidx.annotation.ArrayRes
+import androidx.core.view.isInvisible
+import androidx.core.view.isVisible
 import androidx.core.widget.NestedScrollView
 import com.google.android.material.bottomsheet.BottomSheetDialog
 import com.tfcporciuncula.flow.Preference
@@ -12,9 +14,6 @@ import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.databinding.ReaderSettingsSheetBinding
 import eu.kanade.tachiyomi.ui.reader.viewer.pager.PagerViewer
 import eu.kanade.tachiyomi.ui.reader.viewer.webtoon.WebtoonViewer
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.invisible
-import eu.kanade.tachiyomi.util.view.visible
 import eu.kanade.tachiyomi.widget.IgnoreFirstSpinnerListener
 import uy.kohesive.injekt.injectLazy
 
@@ -83,8 +82,8 @@ class ReaderSettingsSheet(private val activity: ReaderActivity) : BottomSheetDia
      * Init the preferences for the pager reader.
      */
     private fun initPagerPreferences() {
-        binding.webtoonPrefsGroup.invisible()
+        binding.webtoonPrefsGroup.isInvisible = true
-        binding.pagerPrefsGroup.visible()
+        binding.pagerPrefsGroup.isVisible = true
 
         binding.scaleType.bindToPreference(preferences.imageScaleType(), 1)
         binding.zoomStart.bindToPreference(preferences.zoomStart(), 1)
@@ -94,8 +93,8 @@ class ReaderSettingsSheet(private val activity: ReaderActivity) : BottomSheetDia
      * Init the preferences for the webtoon reader.
      */
     private fun initWebtoonPreferences() {
-        binding.pagerPrefsGroup.invisible()
+        binding.pagerPrefsGroup.isInvisible = true
-        binding.webtoonPrefsGroup.visible()
+        binding.webtoonPrefsGroup.isVisible = true
 
         binding.webtoonSidePadding.bindToIntPreference(preferences.webtoonSidePadding(), R.array.webtoon_side_padding_values)
     }
@@ -105,7 +104,7 @@ class ReaderSettingsSheet(private val activity: ReaderActivity) : BottomSheetDia
      */
     private fun initNavigationPreferences() {
         if (!preferences.readWithTapping().get()) {
-            binding.navigationPrefsGroup.gone()
+            binding.navigationPrefsGroup.isVisible = false
         }
 
         binding.tappingInverted.bindToPreference(preferences.readWithTappingInverted())

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ReaderProgressBar.kt

@@ -14,9 +14,10 @@ import android.view.animation.Animation
 import android.view.animation.DecelerateInterpolator
 import android.view.animation.LinearInterpolator
 import android.view.animation.RotateAnimation
+import androidx.core.view.isGone
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.util.system.getResourceColor
-import eu.kanade.tachiyomi.util.view.gone
 import kotlin.math.min
 
 /**
@@ -154,17 +155,17 @@ class ReaderProgressBar @JvmOverloads constructor(
      * Hides this progress bar with an optional fade out if [animate] is true.
      */
     fun hide(animate: Boolean = false) {
-        if (visibility == GONE) return
+        if (isGone) return
 
         if (!animate) {
-            gone()
+            isVisible = false
         } else {
             ObjectAnimator.ofFloat(this, "alpha", 1f, 0f).apply {
                 interpolator = DecelerateInterpolator()
                 duration = 1000
                 addListener(object : AnimatorListenerAdapter() {
                     override fun onAnimationEnd(animation: Animator?) {
-                        gone()
+                        isVisible = false
                         alpha = 1f
                     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt

@@ -13,6 +13,7 @@ import android.widget.FrameLayout
 import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
+import androidx.core.view.isVisible
 import com.bumptech.glide.load.DataSource
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.load.engine.GlideException
@@ -33,8 +34,6 @@ import eu.kanade.tachiyomi.ui.reader.viewer.pager.PagerConfig.ZoomType
 import eu.kanade.tachiyomi.ui.webview.WebViewActivity
 import eu.kanade.tachiyomi.util.system.ImageUtil
 import eu.kanade.tachiyomi.util.system.dpToPx
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import eu.kanade.tachiyomi.widget.ViewPagerAdapter
 import java.io.InputStream
 import java.util.concurrent.TimeUnit
@@ -196,37 +195,37 @@ class PagerPageHolder(
      * Called when the page is queued.
      */
     private fun setQueued() {
-        progressBar.visible()
+        progressBar.isVisible = true
-        retryButton?.gone()
+        retryButton?.isVisible = false
-        decodeErrorLayout?.gone()
+        decodeErrorLayout?.isVisible = false
     }
 
     /**
      * Called when the page is loading.
      */
     private fun setLoading() {
-        progressBar.visible()
+        progressBar.isVisible = true
-        retryButton?.gone()
+        retryButton?.isVisible = false
-        decodeErrorLayout?.gone()
+        decodeErrorLayout?.isVisible = false
     }
 
     /**
      * Called when the page is downloading.
      */
     private fun setDownloading() {
-        progressBar.visible()
+        progressBar.isVisible = true
-        retryButton?.gone()
+        retryButton?.isVisible = false
-        decodeErrorLayout?.gone()
+        decodeErrorLayout?.isVisible = false
     }
 
     /**
      * Called when the page is ready.
      */
     private fun setImage() {
-        progressBar.visible()
+        progressBar.isVisible = true
         progressBar.completeAndFadeOut()
-        retryButton?.gone()
+        retryButton?.isVisible = false
-        decodeErrorLayout?.gone()
+        decodeErrorLayout?.isVisible = false
 
         unsubscribeReadImageHeader()
         val streamFn = page.stream ?: return
@@ -258,23 +257,23 @@ class PagerPageHolder(
      * Called when the page has an error.
      */
     private fun setError() {
-        progressBar.gone()
+        progressBar.isVisible = false
-        initRetryButton().visible()
+        initRetryButton().isVisible = true
     }
 
     /**
      * Called when the image is decoded and going to be displayed.
      */
     private fun onImageDecoded() {
-        progressBar.gone()
+        progressBar.isVisible = false
     }
 
     /**
      * Called when an image fails to decode.
      */
     private fun onImageDecodeError() {
-        progressBar.gone()
+        progressBar.isVisible = false
-        initDecodeErrorLayout().visible()
+        initDecodeErrorLayout().isVisible = true
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerViewer.kt

@@ -5,6 +5,8 @@ import android.view.KeyEvent
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup.LayoutParams
+import androidx.core.view.isGone
+import androidx.core.view.isVisible
 import androidx.viewpager.widget.ViewPager
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.TappingInvertMode
@@ -13,8 +15,6 @@ import eu.kanade.tachiyomi.ui.reader.model.ChapterTransition
 import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
 import eu.kanade.tachiyomi.ui.reader.model.ViewerChapters
 import eu.kanade.tachiyomi.ui.reader.viewer.BaseViewer
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import timber.log.Timber
 
 /**
@@ -66,7 +66,7 @@ abstract class PagerViewer(val activity: ReaderActivity) : BaseViewer {
         }
 
     init {
-        pager.gone() // Don't layout the pager yet
+        pager.isVisible = false // Don't layout the pager yet
         pager.layoutParams = LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)
         pager.offscreenPageLimit = 1
         pager.id = R.id.reader_pager
@@ -225,11 +225,11 @@ abstract class PagerViewer(val activity: ReaderActivity) : BaseViewer {
         adapter.setChapters(chapters, forceTransition)
 
         // Layout the pager once a chapter is being set
-        if (pager.visibility == View.GONE) {
+        if (pager.isGone) {
             Timber.d("Pager first layout")
             val pages = chapters.currChapter.pages ?: return
             moveToPage(pages[chapters.currChapter.requestedPage])
-            pager.visible()
+            pager.isVisible = true
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonPageHolder.kt

@@ -13,6 +13,7 @@ import android.widget.LinearLayout
 import android.widget.TextView
 import androidx.appcompat.widget.AppCompatButton
 import androidx.appcompat.widget.AppCompatImageView
+import androidx.core.view.isVisible
 import com.bumptech.glide.load.DataSource
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.load.engine.GlideException
@@ -31,8 +32,6 @@ import eu.kanade.tachiyomi.ui.reader.viewer.ReaderProgressBar
 import eu.kanade.tachiyomi.ui.webview.WebViewActivity
 import eu.kanade.tachiyomi.util.system.ImageUtil
 import eu.kanade.tachiyomi.util.system.dpToPx
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import java.io.InputStream
 import java.util.concurrent.TimeUnit
 import rx.Observable
@@ -145,9 +144,9 @@ class WebtoonPageHolder(
 
         removeDecodeErrorLayout()
         subsamplingImageView?.recycle()
-        subsamplingImageView?.gone()
+        subsamplingImageView?.isVisible = false
         imageView?.let { GlideApp.with(frame).clear(it) }
-        imageView?.gone()
+        imageView?.isVisible = false
         progressBar.setProgress(0)
     }
 
@@ -238,9 +237,9 @@ class WebtoonPageHolder(
      * Called when the page is queued.
      */
     private fun setQueued() {
-        progressContainer.visible()
+        progressContainer.isVisible = true
-        progressBar.visible()
+        progressBar.isVisible = true
-        retryContainer?.gone()
+        retryContainer?.isVisible = false
         removeDecodeErrorLayout()
     }
 
@@ -248,9 +247,9 @@ class WebtoonPageHolder(
      * Called when the page is loading.
      */
     private fun setLoading() {
-        progressContainer.visible()
+        progressContainer.isVisible = true
-        progressBar.visible()
+        progressBar.isVisible = true
-        retryContainer?.gone()
+        retryContainer?.isVisible = false
         removeDecodeErrorLayout()
     }
 
@@ -258,9 +257,9 @@ class WebtoonPageHolder(
      * Called when the page is downloading
      */
     private fun setDownloading() {
-        progressContainer.visible()
+        progressContainer.isVisible = true
-        progressBar.visible()
+        progressBar.isVisible = true
-        retryContainer?.gone()
+        retryContainer?.isVisible = false
         removeDecodeErrorLayout()
     }
 
@@ -268,10 +267,10 @@ class WebtoonPageHolder(
      * Called when the page is ready.
      */
     private fun setImage() {
-        progressContainer.visible()
+        progressContainer.isVisible = true
-        progressBar.visible()
+        progressBar.isVisible = true
         progressBar.completeAndFadeOut()
-        retryContainer?.gone()
+        retryContainer?.isVisible = false
         removeDecodeErrorLayout()
 
         unsubscribeReadImageHeader()
@@ -290,11 +289,11 @@ class WebtoonPageHolder(
             .doOnNext { isAnimated ->
                 if (!isAnimated) {
                     val subsamplingView = initSubsamplingImageView()
-                    subsamplingView.visible()
+                    subsamplingView.isVisible = true
                     subsamplingView.setImage(ImageSource.inputStream(openStream!!))
                 } else {
                     val imageView = initImageView()
-                    imageView.visible()
+                    imageView.isVisible = true
                     imageView.setImage(openStream!!)
                 }
             }
@@ -310,23 +309,23 @@ class WebtoonPageHolder(
      * Called when the page has an error.
      */
     private fun setError() {
-        progressContainer.gone()
+        progressContainer.isVisible = false
-        initRetryLayout().visible()
+        initRetryLayout().isVisible = true
     }
 
     /**
      * Called when the image is decoded and going to be displayed.
      */
     private fun onImageDecoded() {
-        progressContainer.gone()
+        progressContainer.isVisible = false
     }
 
     /**
      * Called when the image fails to decode.
      */
     private fun onImageDecodeError() {
-        progressContainer.gone()
+        progressContainer.isVisible = false
-        initDecodeErrorLayout().visible()
+        initDecodeErrorLayout().isVisible = true
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonTransitionHolder.kt

@@ -12,11 +12,11 @@ import android.widget.ProgressBar
 import android.widget.TextView
 import androidx.appcompat.widget.AppCompatButton
 import androidx.appcompat.widget.AppCompatTextView
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.reader.model.ChapterTransition
 import eu.kanade.tachiyomi.ui.reader.model.ReaderChapter
 import eu.kanade.tachiyomi.util.system.dpToPx
-import eu.kanade.tachiyomi.util.view.visibleIf
 import rx.Subscription
 import rx.android.schedulers.AndroidSchedulers
 
@@ -153,7 +153,7 @@ class WebtoonTransitionHolder(
                     is ReaderChapter.State.Error -> setError(state.error, transition)
                     is ReaderChapter.State.Loaded -> setLoaded()
                 }
-                pagesContainer.visibleIf { pagesContainer.childCount > 0 }
+                pagesContainer.isVisible = pagesContainer.childCount > 0
             }
 
         addSubscription(statusSubscription)

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonViewer.kt

@@ -5,6 +5,8 @@ import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
 import android.view.ViewGroup.LayoutParams.MATCH_PARENT
+import androidx.core.view.isGone
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import androidx.recyclerview.widget.WebtoonLayoutManager
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.TappingInvertMode
@@ -13,8 +15,6 @@ import eu.kanade.tachiyomi.ui.reader.model.ChapterTransition
 import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
 import eu.kanade.tachiyomi.ui.reader.model.ViewerChapters
 import eu.kanade.tachiyomi.ui.reader.viewer.BaseViewer
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import kotlin.math.max
 import kotlin.math.min
 import rx.subscriptions.CompositeSubscription
@@ -66,7 +66,7 @@ class WebtoonViewer(val activity: ReaderActivity, val isContinuous: Boolean = tr
     val subscriptions = CompositeSubscription()
 
     init {
-        recycler.gone() // Don't let the recycler layout yet
+        recycler.isVisible = false // Don't let the recycler layout yet
         recycler.layoutParams = ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)
         recycler.itemAnimator = null
         recycler.layoutManager = layoutManager
@@ -211,11 +211,11 @@ class WebtoonViewer(val activity: ReaderActivity, val isContinuous: Boolean = tr
         val forceTransition = config.alwaysShowChapterTransition || currentPage is ChapterTransition
         adapter.setChapters(chapters, forceTransition)
 
-        if (recycler.visibility == View.GONE) {
+        if (recycler.isGone) {
             Timber.d("Recycler first layout")
             val pages = chapters.currChapter.pages ?: return
             moveToPage(pages[chapters.currChapter.requestedPage])
-            recycler.visible()
+            recycler.isVisible = true
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/webview/WebViewActivity.kt

@@ -12,6 +12,8 @@ import android.webkit.WebChromeClient
 import android.webkit.WebResourceRequest
 import android.webkit.WebView
 import androidx.core.graphics.ColorUtils
+import androidx.core.view.isInvisible
+import androidx.core.view.isVisible
 import androidx.webkit.WebViewClientCompat
 import eu.kanade.tachiyomi.BuildConfig
 import eu.kanade.tachiyomi.R
@@ -24,8 +26,6 @@ import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.openInBrowser
 import eu.kanade.tachiyomi.util.system.setDefaultSettings
 import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.view.invisible
-import eu.kanade.tachiyomi.util.view.visible
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import reactivecircus.flowbinding.appcompat.navigationClicks
@@ -83,10 +83,10 @@ class WebViewActivity : BaseActivity<WebviewActivityBinding>() {
 
             binding.webview.webChromeClient = object : WebChromeClient() {
                 override fun onProgressChanged(view: WebView?, newProgress: Int) {
-                    binding.progressBar.visible()
+                    binding.progressBar.isVisible = true
                     binding.progressBar.progress = newProgress
                     if (newProgress == 100) {
-                        binding.progressBar.invisible()
+                        binding.progressBar.isInvisible = true
                     }
                     super.onProgressChanged(view, newProgress)
                 }

app/src/main/java/eu/kanade/tachiyomi/util/view/ViewExtensions.kt

@@ -68,26 +68,6 @@ fun View.popupMenu(@MenuRes menuRes: Int, initMenu: (Menu.() -> Unit)? = null, o
     popup.show()
 }
 
-inline fun View.visible() {
-    visibility = View.VISIBLE
-}
-
-inline fun View.invisible() {
-    visibility = View.INVISIBLE
-}
-
-inline fun View.gone() {
-    visibility = View.GONE
-}
-
-inline fun View.visibleIf(block: () -> Boolean) {
-    visibility = if (block()) View.VISIBLE else View.GONE
-}
-
-inline fun View.toggle() {
-    visibleIf { visibility == View.GONE }
-}
-
 /**
  * Shrink an ExtendedFloatingActionButton when the associated RecyclerView is scrolled down.
  *

app/src/main/java/eu/kanade/tachiyomi/widget/ActionToolbar.kt

@@ -9,9 +9,8 @@ import android.widget.FrameLayout
 import androidx.annotation.IdRes
 import androidx.annotation.MenuRes
 import androidx.appcompat.view.ActionMode
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import kotlinx.android.synthetic.main.common_action_toolbar.view.common_action_menu
 import kotlinx.android.synthetic.main.common_action_toolbar.view.common_action_toolbar
 
@@ -50,7 +49,7 @@ class ActionToolbar @JvmOverloads constructor(context: Context, attrs: Attribute
             common_action_menu.setOnMenuItemClickListener { listener(it) }
         }
 
-        common_action_toolbar.visible()
+        common_action_toolbar.isVisible = true
         val bottomAnimation = AnimationUtils.loadAnimation(context, R.anim.enter_from_bottom)
         common_action_toolbar.startAnimation(bottomAnimation)
     }
@@ -62,7 +61,7 @@ class ActionToolbar @JvmOverloads constructor(context: Context, attrs: Attribute
         val bottomAnimation = AnimationUtils.loadAnimation(context, R.anim.exit_to_bottom)
         bottomAnimation.setAnimationListener(object : SimpleAnimationListener() {
             override fun onAnimationEnd(animation: Animation) {
-                common_action_toolbar.gone()
+                common_action_toolbar.isVisible = false
             }
         })
         common_action_toolbar.startAnimation(bottomAnimation)

app/src/main/java/eu/kanade/tachiyomi/widget/EmptyView.kt

@@ -6,9 +6,8 @@ import android.widget.LinearLayout
 import android.widget.RelativeLayout
 import androidx.annotation.StringRes
 import androidx.appcompat.widget.AppCompatButton
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import kotlin.random.Random
 import kotlinx.android.synthetic.main.common_view_empty.view.actions_container
 import kotlinx.android.synthetic.main.common_view_empty.view.text_face
@@ -25,7 +24,7 @@ class EmptyView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
      * Hide the information view
      */
     fun hide() {
-        this.gone()
+        this.isVisible = false
     }
 
     /**
@@ -57,7 +56,7 @@ class EmptyView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
             }
         }
 
-        this.visible()
+        this.isVisible = true
     }
 
     companion object {

app/src/main/java/eu/kanade/tachiyomi/widget/RevealAnimationView.kt

@@ -6,8 +6,8 @@ import android.content.Context
 import android.util.AttributeSet
 import android.view.View
 import android.view.ViewAnimationUtils
-import eu.kanade.tachiyomi.util.view.invisible
+import androidx.core.view.isInvisible
-import eu.kanade.tachiyomi.util.view.visible
+import androidx.core.view.isVisible
 
 class RevealAnimationView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
     View(context, attrs) {
@@ -21,7 +21,7 @@ class RevealAnimationView @JvmOverloads constructor(context: Context, attrs: Att
      */
     fun hideRevealEffect(centerX: Int, centerY: Int, initialRadius: Int) {
         // Make the view visible.
-        this.visible()
+        this.isVisible = true
 
         // Create the animation (the final radius is zero).
         val anim = ViewAnimationUtils.createCircularReveal(
@@ -35,7 +35,7 @@ class RevealAnimationView @JvmOverloads constructor(context: Context, attrs: Att
         anim.addListener(object : AnimatorListenerAdapter() {
             override fun onAnimationEnd(animation: Animator) {
                 super.onAnimationEnd(animation)
-                this@RevealAnimationView.invisible()
+                this@RevealAnimationView.isInvisible = true
             }
         })
 
@@ -52,7 +52,7 @@ class RevealAnimationView @JvmOverloads constructor(context: Context, attrs: Att
      * @return sdk version lower then 21
      */
     fun showRevealEffect(centerX: Int, centerY: Int, listener: Animator.AnimatorListener): Boolean {
-        this.visible()
+        this.isVisible = true
 
         val height = this.height
 

app/src/main/java/eu/kanade/tachiyomi/widget/StateImageViewTarget.kt

@@ -4,13 +4,12 @@ import android.graphics.drawable.Drawable
 import android.view.View
 import android.widget.ImageView
 import android.widget.ImageView.ScaleType
+import androidx.core.view.isVisible
 import androidx.vectordrawable.graphics.drawable.VectorDrawableCompat
 import com.bumptech.glide.request.target.ImageViewTarget
 import com.bumptech.glide.request.transition.Transition
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.util.system.getResourceColor
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 
 /**
  * A glide target to display an image with an optional view to show while loading and a configurable
@@ -37,12 +36,12 @@ class StateImageViewTarget(
     }
 
     override fun onLoadStarted(placeholder: Drawable?) {
-        progress?.visible()
+        progress?.isVisible = true
         super.onLoadStarted(placeholder)
     }
 
     override fun onLoadFailed(errorDrawable: Drawable?) {
-        progress?.gone()
+        progress?.isVisible = false
         view.scaleType = errorScaleType
 
         val vector = VectorDrawableCompat.create(view.context.resources, errorDrawableRes, null)
@@ -51,12 +50,12 @@ class StateImageViewTarget(
     }
 
     override fun onLoadCleared(placeholder: Drawable?) {
-        progress?.gone()
+        progress?.isVisible = false
         super.onLoadCleared(placeholder)
     }
 
     override fun onResourceReady(resource: Drawable, transition: Transition<in Drawable>?) {
-        progress?.gone()
+        progress?.isVisible = false
         view.scaleType = imageScaleType
         super.onResourceReady(resource, transition)
         this.resource = resource

app/src/main/java/exh/ui/intercept/InterceptActivity.kt

@@ -3,6 +3,7 @@ package exh.ui.intercept
 import android.content.Intent
 import android.os.Bundle
 import android.view.MenuItem
+import androidx.core.view.isVisible
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.callbacks.onCancel
 import com.afollestad.materialdialogs.callbacks.onDismiss
@@ -11,8 +12,6 @@ import eu.kanade.tachiyomi.databinding.EhActivityInterceptBinding
 import eu.kanade.tachiyomi.ui.base.activity.BaseActivity
 import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.ui.manga.MangaController
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import exh.GalleryAddEvent
 import exh.GalleryAdder
 import kotlin.concurrent.thread
@@ -38,7 +37,7 @@ class InterceptActivity : BaseActivity<EhActivityInterceptBinding>() {
 
     private fun processLink() {
         if (Intent.ACTION_VIEW == intent.action) {
-            binding.interceptProgress.visible()
+            binding.interceptProgress.isVisible = true
             binding.interceptStatus.setText(R.string.loading_gallery)
             loadGallery(intent.dataString!!)
         }
@@ -60,7 +59,7 @@ class InterceptActivity : BaseActivity<EhActivityInterceptBinding>() {
             .subscribe {
                 when (it) {
                     is InterceptResult.Success -> {
-                        binding.interceptProgress.gone()
+                        binding.interceptProgress.isVisible = false
                         binding.interceptStatus.setText(R.string.launching_app)
                         onBackPressed()
                         startActivity(
@@ -71,7 +70,7 @@ class InterceptActivity : BaseActivity<EhActivityInterceptBinding>() {
                         )
                     }
                     is InterceptResult.Failure -> {
-                        binding.interceptProgress.gone()
+                        binding.interceptProgress.isVisible = false
                         binding.interceptStatus.text = this.getString(R.string.error_with_reason, it.reason)
                         MaterialDialog(this)
                             .title(R.string.chapter_error)

app/src/main/java/exh/ui/login/LoginController.kt

@@ -7,13 +7,12 @@ import android.view.ViewGroup
 import android.webkit.CookieManager
 import android.webkit.WebView
 import android.webkit.WebViewClient
+import androidx.core.view.isVisible
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.databinding.EhActivityLoginBinding
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
 import eu.kanade.tachiyomi.util.lang.launchUI
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.visible
 import exh.uconfig.WarnConfigureDialogController
 import java.net.HttpCookie
 import timber.log.Timber
@@ -44,8 +43,8 @@ class LoginController : NucleusController<EhActivityLoginBinding, LoginPresenter
             binding.btnCancel.setOnClickListener { router.popCurrentController() }
 
             binding.btnAdvanced.setOnClickListener {
-                binding.advancedOptions.visible()
+                binding.advancedOptions.isVisible = true
-                binding.webview.gone()
+                binding.webview.isVisible = false
                 binding.btnAdvanced.isEnabled = false
                 binding.btnCancel.isEnabled = false
             }
@@ -78,8 +77,8 @@ class LoginController : NucleusController<EhActivityLoginBinding, LoginPresenter
     }
 
     private fun hideAdvancedOptions(view: View) {
-        binding.advancedOptions.gone()
+        binding.advancedOptions.isVisible = false
-        binding.webview.visible()
+        binding.webview.isVisible = true
         binding.btnAdvanced.isEnabled = true
         binding.btnCancel.isEnabled = true
     }