Replace Kotlin synthetic views in viewholders

2025-11-04 08:08:55 +01:00 · 2020-11-28 15:24:40 -05:00
parent 322d66d282
commit 749c2071af
25 changed files with 227 additions and 263 deletions
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/base/holder/BaseFlexibleViewHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/base/holder/BaseFlexibleViewHolder.kt
@@ -1,16 +0,0 @@
-package eu.kanade.tachiyomi.ui.base.holder
-
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.viewholders.FlexibleViewHolder
-import kotlinx.android.extensions.LayoutContainer
-
-abstract class BaseFlexibleViewHolder(
-    view: View,
-    adapter: FlexibleAdapter<*>,
-    stickyHeader: Boolean = false
-) : FlexibleViewHolder(view, adapter, stickyHeader), LayoutContainer {
-
-    override val containerView: View?
-        get() = itemView
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionGroupHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionGroupHolder.kt
@@ -3,11 +3,13 @@ package eu.kanade.tachiyomi.ui.browse.extension
 import android.annotation.SuppressLint
 import android.view.View
 import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import kotlinx.android.synthetic.main.source_main_controller_card_header.title
+import eu.davidea.viewholders.FlexibleViewHolder
+import eu.kanade.tachiyomi.databinding.SourceMainControllerCardHeaderBinding

 class ExtensionGroupHolder(view: View, adapter: FlexibleAdapter<*>) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = SourceMainControllerCardHeaderBinding.bind(view)

    @SuppressLint("SetTextI18n")
    fun bind(item: ExtensionGroupItem) {
@@ -16,6 +18,6 @@ class ExtensionGroupHolder(view: View, adapter: FlexibleAdapter<*>) :
            text += " (${item.size})"
        }

-        title.text = text
+        binding.title.text = text
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionHolder.kt
@@ -1,24 +1,21 @@
 package eu.kanade.tachiyomi.ui.browse.extension

 import android.view.View
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.glide.GlideApp
+import eu.kanade.tachiyomi.databinding.ExtensionCardItemBinding
 import eu.kanade.tachiyomi.extension.model.Extension
 import eu.kanade.tachiyomi.extension.model.InstallStep
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 import eu.kanade.tachiyomi.util.system.LocaleHelper
-import kotlinx.android.synthetic.main.extension_card_item.ext_button
-import kotlinx.android.synthetic.main.extension_card_item.ext_title
-import kotlinx.android.synthetic.main.extension_card_item.image
-import kotlinx.android.synthetic.main.extension_card_item.lang
-import kotlinx.android.synthetic.main.extension_card_item.version
-import kotlinx.android.synthetic.main.extension_card_item.warning

 class ExtensionHolder(view: View, val adapter: ExtensionAdapter) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = ExtensionCardItemBinding.bind(view)

    init {
-        ext_button.setOnClickListener {
+        binding.extButton.setOnClickListener {
            adapter.buttonClickListener.onButtonClick(bindingAdapterPosition)
        }
    }
@@ -26,10 +23,10 @@ class ExtensionHolder(view: View, val adapter: ExtensionAdapter) :
    fun bind(item: ExtensionItem) {
        val extension = item.extension

-        ext_title.text = extension.name
-        version.text = extension.versionName
-        lang.text = LocaleHelper.getSourceDisplayName(extension.lang, itemView.context)
-        warning.text = when {
+        binding.extTitle.text = extension.name
+        binding.version.text = extension.versionName
+        binding.lang.text = LocaleHelper.getSourceDisplayName(extension.lang, itemView.context)
+        binding.warning.text = when {
            extension is Extension.Untrusted -> itemView.context.getString(R.string.ext_untrusted)
            extension is Extension.Installed && extension.isObsolete -> itemView.context.getString(R.string.ext_obsolete)
            extension is Extension.Installed && extension.isUnofficial -> itemView.context.getString(R.string.ext_unofficial)
@@ -37,19 +34,19 @@ class ExtensionHolder(view: View, val adapter: ExtensionAdapter) :
            else -> ""
        }.toUpperCase()

-        GlideApp.with(itemView.context).clear(image)
+        GlideApp.with(itemView.context).clear(binding.image)
        if (extension is Extension.Available) {
            GlideApp.with(itemView.context)
                .load(extension.iconUrl)
-                .into(image)
+                .into(binding.image)
        } else {
-            extension.getApplicationIcon(itemView.context)?.let { image.setImageDrawable(it) }
+            extension.getApplicationIcon(itemView.context)?.let { binding.image.setImageDrawable(it) }
        }
        bindButton(item)
    }

    @Suppress("ResourceType")
-    fun bindButton(item: ExtensionItem) = with(ext_button) {
+    fun bindButton(item: ExtensionItem) = with(binding.extButton) {
        isEnabled = true
        isClickable = true

--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/manga/MangaHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/manga/MangaHolder.kt
@@ -6,30 +6,31 @@ import com.bumptech.glide.load.resource.bitmap.CenterCrop
 import com.bumptech.glide.load.resource.bitmap.RoundedCorners
 import com.bumptech.glide.request.RequestOptions
 import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import kotlinx.android.synthetic.main.source_list_item.thumbnail
-import kotlinx.android.synthetic.main.source_list_item.title
+import eu.kanade.tachiyomi.databinding.SourceListItemBinding

 class MangaHolder(
    view: View,
    adapter: FlexibleAdapter<*>
-) : BaseFlexibleViewHolder(view, adapter) {
+) : FlexibleViewHolder(view, adapter) {
+
+    private val binding = SourceListItemBinding.bind(view)

    fun bind(item: MangaItem) {
        // Update the title of the manga.
-        title.text = item.manga.title
+        binding.title.text = item.manga.title

        // Create thumbnail onclick to simulate long click
-        thumbnail.setOnClickListener {
+        binding.thumbnail.setOnClickListener {
            // Simulate long click on this view to enter selection mode
            onLongClick(itemView)
        }

        // Update the cover.
-        GlideApp.with(itemView.context).clear(thumbnail)
+        GlideApp.with(itemView.context).clear(binding.thumbnail)

        val radius = itemView.context.resources.getDimensionPixelSize(R.dimen.card_radius)
        val requestOptions = RequestOptions().transform(CenterCrop(), RoundedCorners(radius))
@@ -38,6 +39,6 @@ class MangaHolder(
            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
            .apply(requestOptions)
            .dontAnimate()
-            .into(thumbnail)
+            .into(binding.thumbnail)
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/SelectionHeader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/SelectionHeader.kt
@@ -5,9 +5,9 @@ import androidx.recyclerview.widget.RecyclerView
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.items.AbstractHeaderItem
 import eu.davidea.flexibleadapter.items.IFlexible
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import kotlinx.android.synthetic.main.source_main_controller_card_header.title
+import eu.kanade.tachiyomi.databinding.SourceMainControllerCardHeaderBinding

 /**
 * Item that contains the selection header.
@@ -43,9 +43,12 @@ class SelectionHeader : AbstractHeaderItem<SelectionHeader.Holder>() {
        // Intentionally empty
    }

-    class Holder(view: View, adapter: FlexibleAdapter<*>) : BaseFlexibleViewHolder(view, adapter) {
+    class Holder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter) {
+
+        private val binding = SourceMainControllerCardHeaderBinding.bind(view)
+
        init {
-            title.text = view.context.getString(R.string.migration_selection_prompt)
+            binding.title.text = view.context.getString(R.string.migration_selection_prompt)
        }
    }

--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/SourceHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/SourceHolder.kt
@@ -1,23 +1,24 @@
 package eu.kanade.tachiyomi.ui.browse.migration.sources

 import android.view.View
+import eu.davidea.viewholders.FlexibleViewHolder
+import eu.kanade.tachiyomi.databinding.SourceMainControllerCardItemBinding
 import eu.kanade.tachiyomi.source.icon
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import kotlinx.android.synthetic.main.source_main_controller_card_item.image
-import kotlinx.android.synthetic.main.source_main_controller_card_item.title

 class SourceHolder(view: View, val adapter: SourceAdapter) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = SourceMainControllerCardItemBinding.bind(view)

    fun bind(item: SourceItem) {
        val source = item.source

        // Set source name
-        title.text = source.name
+        binding.title.text = source.name

        // Set source icon
        itemView.post {
-            image.setImageDrawable(source.icon())
+            binding.image.setImageDrawable(source.icon())
        }
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/LangHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/LangHolder.kt
@@ -2,14 +2,16 @@ package eu.kanade.tachiyomi.ui.browse.source

 import android.view.View
 import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
+import eu.davidea.viewholders.FlexibleViewHolder
+import eu.kanade.tachiyomi.databinding.SourceMainControllerCardHeaderBinding
 import eu.kanade.tachiyomi.util.system.LocaleHelper
-import kotlinx.android.synthetic.main.source_main_controller_card_header.title

 class LangHolder(view: View, adapter: FlexibleAdapter<*>) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = SourceMainControllerCardHeaderBinding.bind(view)

    fun bind(item: LangItem) {
-        title.text = LocaleHelper.getSourceDisplayName(item.code, itemView.context)
+        binding.title.text = LocaleHelper.getSourceDisplayName(item.code, itemView.context)
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceHolder.kt
@@ -2,28 +2,26 @@ package eu.kanade.tachiyomi.ui.browse.source

 import android.view.View
 import androidx.core.view.isVisible
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.databinding.SourceMainControllerCardItemBinding
 import eu.kanade.tachiyomi.source.LocalSource
 import eu.kanade.tachiyomi.source.icon
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 import eu.kanade.tachiyomi.util.system.LocaleHelper
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.view.setVectorCompat
-import kotlinx.android.synthetic.main.source_main_controller_card_item.image
-import kotlinx.android.synthetic.main.source_main_controller_card_item.pin
-import kotlinx.android.synthetic.main.source_main_controller_card_item.source_latest
-import kotlinx.android.synthetic.main.source_main_controller_card_item.subtitle
-import kotlinx.android.synthetic.main.source_main_controller_card_item.title

 class SourceHolder(private val view: View, val adapter: SourceAdapter) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = SourceMainControllerCardItemBinding.bind(view)

    init {
-        source_latest.setOnClickListener {
+        binding.sourceLatest.setOnClickListener {
            adapter.clickListener.onLatestClick(bindingAdapterPosition)
        }

-        pin.setOnClickListener {
+        binding.pin.setOnClickListener {
            adapter.clickListener.onPinClick(bindingAdapterPosition)
        }
    }
@@ -31,26 +29,26 @@ class SourceHolder(private val view: View, val adapter: SourceAdapter) :
    fun bind(item: SourceItem) {
        val source = item.source

-        title.text = source.name
-        subtitle.isVisible = source !is LocalSource
-        subtitle.text = LocaleHelper.getDisplayName(source.lang)
+        binding.title.text = source.name
+        binding.subtitle.isVisible = source !is LocalSource
+        binding.subtitle.text = LocaleHelper.getDisplayName(source.lang)

        // Set source icon
        itemView.post {
            val icon = source.icon()
            when {
-                icon != null -> image.setImageDrawable(icon)
-                item.source.id == LocalSource.ID -> image.setImageResource(R.mipmap.ic_local_source)
+                icon != null -> binding.image.setImageDrawable(icon)
+                item.source.id == LocalSource.ID -> binding.image.setImageResource(R.mipmap.ic_local_source)
            }
        }

-        source_latest.isVisible = source.supportsLatest
+        binding.sourceLatest.isVisible = source.supportsLatest

-        pin.isVisible = true
+        binding.pin.isVisible = true
        if (item.isPinned) {
-            pin.setVectorCompat(R.drawable.ic_push_pin_filled_24dp, view.context.getResourceColor(R.attr.colorAccent))
+            binding.pin.setVectorCompat(R.drawable.ic_push_pin_filled_24dp, view.context.getResourceColor(R.attr.colorAccent))
        } else {
-            pin.setVectorCompat(R.drawable.ic_push_pin_24dp, view.context.getResourceColor(android.R.attr.textColorHint))
+            binding.pin.setVectorCompat(R.drawable.ic_push_pin_24dp, view.context.getResourceColor(android.R.attr.textColorHint))
        }
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceComfortableGridHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceComfortableGridHolder.kt
@@ -6,11 +6,8 @@ import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
+import eu.kanade.tachiyomi.databinding.SourceComfortableGridItemBinding
 import eu.kanade.tachiyomi.widget.StateImageViewTarget
-import kotlinx.android.synthetic.main.source_comfortable_grid_item.card
-import kotlinx.android.synthetic.main.source_comfortable_grid_item.progress
-import kotlinx.android.synthetic.main.source_comfortable_grid_item.thumbnail
-import kotlinx.android.synthetic.main.source_comfortable_grid_item.title

 /**
 * Class used to hold the displayed data of a manga in the catalogue, like the cover or the title.
@@ -23,6 +20,8 @@ import kotlinx.android.synthetic.main.source_comfortable_grid_item.title
 class SourceComfortableGridHolder(private val view: View, private val adapter: FlexibleAdapter<*>) :
    SourceGridHolder(view, adapter) {

+    private val binding = SourceComfortableGridItemBinding.bind(view)
+
    /**
     * Method called from [CatalogueAdapter.onBindViewHolder]. It updates the data for this
     * holder with the given manga.
@@ -31,26 +30,26 @@ class SourceComfortableGridHolder(private val view: View, private val adapter: F
     */
    override fun onSetValues(manga: Manga) {
        // Set manga title
-        title.text = manga.title
+        binding.title.text = manga.title

        // Set alpha of thumbnail.
-        thumbnail.alpha = if (manga.favorite) 0.3f else 1.0f
+        binding.thumbnail.alpha = if (manga.favorite) 0.3f else 1.0f

        setImage(manga)
    }

    override fun setImage(manga: Manga) {
        // For rounded corners
-        card.clipToOutline = true
+        binding.card.clipToOutline = true

-        GlideApp.with(view.context).clear(thumbnail)
+        GlideApp.with(view.context).clear(binding.thumbnail)
        if (!manga.thumbnail_url.isNullOrEmpty()) {
            GlideApp.with(view.context)
                .load(manga.toMangaThumbnail())
                .diskCacheStrategy(DiskCacheStrategy.DATA)
                .centerCrop()
                .placeholder(android.R.color.transparent)
-                .into(StateImageViewTarget(thumbnail, progress))
+                .into(StateImageViewTarget(binding.thumbnail, binding.progress))
        }
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceGridHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceGridHolder.kt
@@ -6,11 +6,8 @@ import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
+import eu.kanade.tachiyomi.databinding.SourceComfortableGridItemBinding
 import eu.kanade.tachiyomi.widget.StateImageViewTarget
-import kotlinx.android.synthetic.main.source_compact_grid_item.card
-import kotlinx.android.synthetic.main.source_compact_grid_item.progress
-import kotlinx.android.synthetic.main.source_compact_grid_item.thumbnail
-import kotlinx.android.synthetic.main.source_compact_grid_item.title

 /**
 * Class used to hold the displayed data of a manga in the catalogue, like the cover or the title.
@@ -23,6 +20,8 @@ import kotlinx.android.synthetic.main.source_compact_grid_item.title
 open class SourceGridHolder(private val view: View, private val adapter: FlexibleAdapter<*>) :
    SourceHolder(view, adapter) {

+    private val binding = SourceComfortableGridItemBinding.bind(view)
+
    /**
     * Method called from [CatalogueAdapter.onBindViewHolder]. It updates the data for this
     * holder with the given manga.
@@ -31,26 +30,26 @@ open class SourceGridHolder(private val view: View, private val adapter: Flexibl
     */
    override fun onSetValues(manga: Manga) {
        // Set manga title
-        title.text = manga.title
+        binding.title.text = manga.title

        // Set alpha of thumbnail.
-        thumbnail.alpha = if (manga.favorite) 0.3f else 1.0f
+        binding.thumbnail.alpha = if (manga.favorite) 0.3f else 1.0f

        setImage(manga)
    }

    override fun setImage(manga: Manga) {
        // For rounded corners
-        card.clipToOutline = true
+        binding.card.clipToOutline = true

-        GlideApp.with(view.context).clear(thumbnail)
+        GlideApp.with(view.context).clear(binding.thumbnail)
        if (!manga.thumbnail_url.isNullOrEmpty()) {
            GlideApp.with(view.context)
                .load(manga.toMangaThumbnail())
                .diskCacheStrategy(DiskCacheStrategy.DATA)
                .centerCrop()
                .placeholder(android.R.color.transparent)
-                .into(StateImageViewTarget(thumbnail, progress))
+                .into(StateImageViewTarget(binding.thumbnail, binding.progress))
        }
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceHolder.kt
@@ -2,8 +2,8 @@ package eu.kanade.tachiyomi.ui.browse.source.browse

 import android.view.View
 import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.data.database.models.Manga
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder

 /**
 * Generic class used to hold the displayed data of a manga in the catalogue.
@@ -12,7 +12,7 @@ import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 * @param adapter the adapter handling this holder.
 */
 abstract class SourceHolder(view: View, adapter: FlexibleAdapter<*>) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {

    /**
     * Method called from [CatalogueAdapter.onBindViewHolder]. It updates the data for this
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceListHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceListHolder.kt
@@ -10,9 +10,8 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
+import eu.kanade.tachiyomi.databinding.SourceListItemBinding
 import eu.kanade.tachiyomi.util.system.getResourceColor
-import kotlinx.android.synthetic.main.source_list_item.thumbnail
-import kotlinx.android.synthetic.main.source_list_item.title

 /**
 * Class used to hold the displayed data of a manga in the catalogue, like the cover or the title.
@@ -25,6 +24,8 @@ import kotlinx.android.synthetic.main.source_list_item.title
 class SourceListHolder(private val view: View, adapter: FlexibleAdapter<*>) :
    SourceHolder(view, adapter) {

+    private val binding = SourceListItemBinding.bind(view)
+
    private val favoriteColor = view.context.getResourceColor(R.attr.colorOnSurface, 0.38f)
    private val unfavoriteColor = view.context.getResourceColor(R.attr.colorOnSurface)

@@ -35,17 +36,17 @@ class SourceListHolder(private val view: View, adapter: FlexibleAdapter<*>) :
     * @param manga the manga to bind.
     */
    override fun onSetValues(manga: Manga) {
-        title.text = manga.title
-        title.setTextColor(if (manga.favorite) favoriteColor else unfavoriteColor)
+        binding.title.text = manga.title
+        binding.title.setTextColor(if (manga.favorite) favoriteColor else unfavoriteColor)

        // Set alpha of thumbnail.
-        thumbnail.alpha = if (manga.favorite) 0.3f else 1.0f
+        binding.thumbnail.alpha = if (manga.favorite) 0.3f else 1.0f

        setImage(manga)
    }

    override fun setImage(manga: Manga) {
-        GlideApp.with(view.context).clear(thumbnail)
+        GlideApp.with(view.context).clear(binding.thumbnail)

        if (!manga.thumbnail_url.isNullOrEmpty()) {
            val radius = view.context.resources.getDimensionPixelSize(R.dimen.card_radius)
@@ -56,7 +57,7 @@ class SourceListHolder(private val view: View, adapter: FlexibleAdapter<*>) :
                .apply(requestOptions)
                .dontAnimate()
                .placeholder(android.R.color.transparent)
-                .into(thumbnail)
+                .into(binding.thumbnail)
        }
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchCardHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchCardHolder.kt
@@ -2,18 +2,17 @@ package eu.kanade.tachiyomi.ui.browse.source.globalsearch

 import android.view.View
 import com.bumptech.glide.load.engine.DiskCacheStrategy
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
+import eu.kanade.tachiyomi.databinding.GlobalSearchControllerCardItemBinding
 import eu.kanade.tachiyomi.widget.StateImageViewTarget
-import kotlinx.android.synthetic.main.global_search_controller_card_item.card
-import kotlinx.android.synthetic.main.global_search_controller_card_item.cover
-import kotlinx.android.synthetic.main.global_search_controller_card_item.progress
-import kotlinx.android.synthetic.main.global_search_controller_card_item.title

 class GlobalSearchCardHolder(view: View, adapter: GlobalSearchCardAdapter) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = GlobalSearchControllerCardItemBinding.bind(view)

    init {
        // Call onMangaClickListener when item is pressed.
@@ -33,17 +32,17 @@ class GlobalSearchCardHolder(view: View, adapter: GlobalSearchCardAdapter) :
    }

    fun bind(manga: Manga) {
-        card.clipToOutline = true
+        binding.card.clipToOutline = true

-        title.text = manga.title
+        binding.title.text = manga.title
        // Set alpha of thumbnail.
-        cover.alpha = if (manga.favorite) 0.3f else 1.0f
+        binding.cover.alpha = if (manga.favorite) 0.3f else 1.0f

        setImage(manga)
    }

    fun setImage(manga: Manga) {
-        GlideApp.with(itemView.context).clear(cover)
+        GlideApp.with(itemView.context).clear(binding.cover)
        if (!manga.thumbnail_url.isNullOrEmpty()) {
            GlideApp.with(itemView.context)
                .load(manga.toMangaThumbnail())
@@ -51,7 +50,7 @@ class GlobalSearchCardHolder(view: View, adapter: GlobalSearchCardAdapter) :
                .centerCrop()
                .skipMemoryCache(true)
                .placeholder(android.R.color.transparent)
-                .into(StateImageViewTarget(cover, progress))
+                .into(StateImageViewTarget(binding.cover, binding.progress))
        }
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchHolder.kt
@@ -3,16 +3,11 @@ package eu.kanade.tachiyomi.ui.browse.source.globalsearch
 import android.view.View
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.LinearLayoutManager
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.databinding.GlobalSearchControllerCardBinding
 import eu.kanade.tachiyomi.source.LocalSource
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 import eu.kanade.tachiyomi.util.system.LocaleHelper
-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
-import kotlinx.android.synthetic.main.global_search_controller_card.subtitle
-import kotlinx.android.synthetic.main.global_search_controller_card.title
-import kotlinx.android.synthetic.main.global_search_controller_card.title_wrapper

 /**
 * Holder that binds the [GlobalSearchItem] containing catalogue cards.
@@ -21,7 +16,9 @@ import kotlinx.android.synthetic.main.global_search_controller_card.title_wrappe
 * @param adapter instance of [GlobalSearchAdapter]
 */
 class GlobalSearchHolder(view: View, val adapter: GlobalSearchAdapter) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = GlobalSearchControllerCardBinding.bind(view)

    /**
     * Adapter containing manga from search results.
@@ -32,10 +29,10 @@ class GlobalSearchHolder(view: View, val adapter: GlobalSearchAdapter) :

    init {
        // Set layout horizontal.
-        recycler.layoutManager = LinearLayoutManager(view.context, LinearLayoutManager.HORIZONTAL, false)
-        recycler.adapter = mangaAdapter
+        binding.recycler.layoutManager = LinearLayoutManager(view.context, LinearLayoutManager.HORIZONTAL, false)
+        binding.recycler.adapter = mangaAdapter

-        title_wrapper.setOnClickListener {
+        binding.titleWrapper.setOnClickListener {
            adapter.getItem(bindingAdapterPosition)?.let {
                adapter.titleClickListener.onTitleClick(it.source)
            }
@@ -53,21 +50,21 @@ class GlobalSearchHolder(view: View, val adapter: GlobalSearchAdapter) :

        val titlePrefix = if (item.highlighted) "▶ " else ""

-        title.text = titlePrefix + source.name
-        subtitle.isVisible = source !is LocalSource
-        subtitle.text = LocaleHelper.getDisplayName(source.lang)
+        binding.title.text = titlePrefix + source.name
+        binding.subtitle.isVisible = source !is LocalSource
+        binding.subtitle.text = LocaleHelper.getDisplayName(source.lang)

        when {
            results == null -> {
-                progress.isVisible = true
+                binding.progress.isVisible = true
                showResultsHolder()
            }
            results.isEmpty() -> {
-                progress.isVisible = false
+                binding.progress.isVisible = false
                showNoResults()
            }
            else -> {
-                progress.isVisible = false
+                binding.progress.isVisible = false
                showResultsHolder()
            }
        }
@@ -104,10 +101,10 @@ class GlobalSearchHolder(view: View, val adapter: GlobalSearchAdapter) :
    }

    private fun showResultsHolder() {
-        no_results_found.isVisible = false
+        binding.noResultsFound.isVisible = false
    }

    private fun showNoResults() {
-        no_results_found.isVisible = true
+        binding.noResultsFound.isVisible = true
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/category/CategoryHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/category/CategoryHolder.kt
@@ -1,10 +1,9 @@
 package eu.kanade.tachiyomi.ui.category

 import android.view.View
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.data.database.models.Category
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import kotlinx.android.synthetic.main.categories_item.reorder
-import kotlinx.android.synthetic.main.categories_item.title
+import eu.kanade.tachiyomi.databinding.CategoriesItemBinding

 /**
 * Holder used to display category items.
@@ -12,10 +11,12 @@ import kotlinx.android.synthetic.main.categories_item.title
 * @param view The view used by category items.
 * @param adapter The adapter containing this holder.
 */
-class CategoryHolder(view: View, val adapter: CategoryAdapter) : BaseFlexibleViewHolder(view, adapter) {
+class CategoryHolder(view: View, val adapter: CategoryAdapter) : FlexibleViewHolder(view, adapter) {
+
+    private val binding = CategoriesItemBinding.bind(view)

    init {
-        setDragHandleView(reorder)
+        setDragHandleView(binding.reorder)
    }

    /**
@@ -24,7 +25,7 @@ class CategoryHolder(view: View, val adapter: CategoryAdapter) : BaseFlexibleVie
     * @param category The category to bind.
     */
    fun bind(category: Category) {
-        title.text = category.name
+        binding.title.text = category.name
    }

    /**
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/download/DownloadHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/download/DownloadHolder.kt
@@ -1,16 +1,11 @@
 package eu.kanade.tachiyomi.ui.download

 import android.view.View
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.model.Download
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
+import eu.kanade.tachiyomi.databinding.DownloadItemBinding
 import eu.kanade.tachiyomi.util.view.popupMenu
-import kotlinx.android.synthetic.main.download_item.chapter_title
-import kotlinx.android.synthetic.main.download_item.download_progress
-import kotlinx.android.synthetic.main.download_item.download_progress_text
-import kotlinx.android.synthetic.main.download_item.manga_full_title
-import kotlinx.android.synthetic.main.download_item.menu
-import kotlinx.android.synthetic.main.download_item.reorder

 /**
 * Class used to hold the data of a download.
@@ -20,11 +15,13 @@ import kotlinx.android.synthetic.main.download_item.reorder
 * @constructor creates a new download holder.
 */
 class DownloadHolder(private val view: View, val adapter: DownloadAdapter) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = DownloadItemBinding.bind(view)

    init {
-        setDragHandleView(reorder)
-        menu.setOnClickListener { it.post { showPopupMenu(it) } }
+        setDragHandleView(binding.reorder)
+        binding.menu.setOnClickListener { it.post { showPopupMenu(it) } }
    }

    private lateinit var download: Download
@@ -37,19 +34,19 @@ class DownloadHolder(private val view: View, val adapter: DownloadAdapter) :
    fun bind(download: Download) {
        this.download = download
        // Update the chapter name.
-        chapter_title.text = download.chapter.name
+        binding.chapterTitle.text = download.chapter.name

        // Update the manga title
-        manga_full_title.text = download.manga.title
+        binding.mangaFullTitle.text = download.manga.title

        // Update the progress bar and the number of downloaded pages
        val pages = download.pages
        if (pages == null) {
-            download_progress.progress = 0
-            download_progress.max = 1
-            download_progress_text.text = ""
+            binding.downloadProgress.progress = 0
+            binding.downloadProgress.max = 1
+            binding.downloadProgressText.text = ""
        } else {
-            download_progress.max = pages.size * 100
+            binding.downloadProgress.max = pages.size * 100
            notifyProgress()
            notifyDownloadedPages()
        }
@@ -60,10 +57,10 @@ class DownloadHolder(private val view: View, val adapter: DownloadAdapter) :
     */
    fun notifyProgress() {
        val pages = download.pages ?: return
-        if (download_progress.max == 1) {
-            download_progress.max = pages.size * 100
+        if (binding.downloadProgress.max == 1) {
+            binding.downloadProgress.max = pages.size * 100
        }
-        download_progress.progress = download.totalProgress
+        binding.downloadProgress.progress = download.totalProgress
    }

    /**
@@ -71,7 +68,7 @@ class DownloadHolder(private val view: View, val adapter: DownloadAdapter) :
     */
    fun notifyDownloadedPages() {
        val pages = download.pages ?: return
-        download_progress_text.text = "${download.downloadedImages}/${pages.size}"
+        binding.downloadProgressText.text = "${download.downloadedImages}/${pages.size}"
    }

    override fun onItemReleased(position: Int) {
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryComfortableGridHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryComfortableGridHolder.kt
@@ -8,14 +8,8 @@ import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.items.IFlexible
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
+import eu.kanade.tachiyomi.databinding.SourceComfortableGridItemBinding
 import eu.kanade.tachiyomi.util.isLocal
-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
-import kotlinx.android.synthetic.main.source_comfortable_grid_item.local_text
-import kotlinx.android.synthetic.main.source_comfortable_grid_item.thumbnail
-import kotlinx.android.synthetic.main.source_comfortable_grid_item.title
-import kotlinx.android.synthetic.main.source_comfortable_grid_item.unread_text

 /**
 * Class used to hold the displayed data of a manga in the library, like the cover or the title.
@@ -31,6 +25,8 @@ class LibraryComfortableGridHolder(
    adapter: FlexibleAdapter<IFlexible<RecyclerView.ViewHolder>>
 ) : LibraryCompactGridHolder(view, adapter) {

+    private val binding = SourceComfortableGridItemBinding.bind(view)
+
    /**
     * Method called from [LibraryCategoryAdapter.onBindViewHolder]. It updates the data for this
     * holder with the given manga.
@@ -39,34 +35,34 @@ class LibraryComfortableGridHolder(
     */
    override fun onSetValues(item: LibraryItem) {
        // Update the title of the manga.
-        title.text = item.manga.title
+        binding.title.text = item.manga.title

        // For rounded corners
-        badges.clipToOutline = true
+        binding.badges.clipToOutline = true

        // Update the unread count and its visibility.
-        with(unread_text) {
+        with(binding.unreadText) {
            isVisible = item.unreadCount > 0
            text = item.unreadCount.toString()
        }
        // Update the download count and its visibility.
-        with(download_text) {
+        with(binding.downloadText) {
            isVisible = item.downloadCount > 0
            text = item.downloadCount.toString()
        }
        // set local visibility if its local manga
-        local_text.isVisible = item.manga.isLocal()
+        binding.localText.isVisible = item.manga.isLocal()

        // For rounded corners
-        card.clipToOutline = true
+        binding.card.clipToOutline = true

        // Update the cover.
-        GlideApp.with(view.context).clear(thumbnail)
+        GlideApp.with(view.context).clear(binding.thumbnail)
        GlideApp.with(view.context)
            .load(item.manga.toMangaThumbnail())
            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
            .centerCrop()
            .dontAnimate()
-            .into(thumbnail)
+            .into(binding.thumbnail)
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryCompactGridHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryCompactGridHolder.kt
@@ -6,14 +6,8 @@ import com.bumptech.glide.load.engine.DiskCacheStrategy
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
+import eu.kanade.tachiyomi.databinding.SourceCompactGridItemBinding
 import eu.kanade.tachiyomi.util.isLocal
-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
-import kotlinx.android.synthetic.main.source_compact_grid_item.local_text
-import kotlinx.android.synthetic.main.source_compact_grid_item.thumbnail
-import kotlinx.android.synthetic.main.source_compact_grid_item.title
-import kotlinx.android.synthetic.main.source_compact_grid_item.unread_text

 /**
 * Class used to hold the displayed data of a manga in the library, like the cover or the title.
@@ -29,6 +23,8 @@ open class LibraryCompactGridHolder(
    private val adapter: FlexibleAdapter<*>
 ) : LibraryHolder(view, adapter) {

+    private val binding = SourceCompactGridItemBinding.bind(view)
+
    /**
     * Method called from [LibraryCategoryAdapter.onBindViewHolder]. It updates the data for this
     * holder with the given manga.
@@ -37,34 +33,34 @@ open class LibraryCompactGridHolder(
     */
    override fun onSetValues(item: LibraryItem) {
        // Update the title of the manga.
-        title.text = item.manga.title
+        binding.title.text = item.manga.title

        // For rounded corners
-        badges.clipToOutline = true
+        binding.badges.clipToOutline = true

        // Update the unread count and its visibility.
-        with(unread_text) {
+        with(binding.unreadText) {
            isVisible = item.unreadCount > 0
            text = item.unreadCount.toString()
        }
        // Update the download count and its visibility.
-        with(download_text) {
+        with(binding.downloadText) {
            isVisible = item.downloadCount > 0
            text = item.downloadCount.toString()
        }
        // set local visibility if its local manga
-        local_text.isVisible = item.manga.isLocal()
+        binding.localText.isVisible = item.manga.isLocal()

        // For rounded corners
-        card.clipToOutline = true
+        binding.card.clipToOutline = true

        // Update the cover.
-        GlideApp.with(view.context).clear(thumbnail)
+        GlideApp.with(view.context).clear(binding.thumbnail)
        GlideApp.with(view.context)
            .load(item.manga.toMangaThumbnail())
            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
            .centerCrop()
            .dontAnimate()
-            .into(thumbnail)
+            .into(binding.thumbnail)
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryHolder.kt
@@ -2,7 +2,7 @@ package eu.kanade.tachiyomi.ui.library

 import android.view.View
 import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
+import eu.davidea.viewholders.FlexibleViewHolder

 /**
 * Generic class used to hold the displayed data of a manga in the library.
@@ -14,7 +14,7 @@ import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 abstract class LibraryHolder(
    view: View,
    adapter: FlexibleAdapter<*>
-) : BaseFlexibleViewHolder(view, adapter) {
+) : FlexibleViewHolder(view, adapter) {

    /**
     * Method called from [LibraryCategoryAdapter.onBindViewHolder]. It updates the data for this
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryListHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryListHolder.kt
@@ -10,13 +10,8 @@ import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
+import eu.kanade.tachiyomi.databinding.SourceListItemBinding
 import eu.kanade.tachiyomi.util.isLocal
-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
-import kotlinx.android.synthetic.main.source_list_item.thumbnail
-import kotlinx.android.synthetic.main.source_list_item.title
-import kotlinx.android.synthetic.main.source_list_item.unread_text

 /**
 * Class used to hold the displayed data of a manga in the library, like the cover or the title.
@@ -33,6 +28,8 @@ class LibraryListHolder(
    private val adapter: FlexibleAdapter<*>
 ) : LibraryHolder(view, adapter) {

+    private val binding = SourceListItemBinding.bind(view)
+
    /**
     * Method called from [LibraryCategoryAdapter.onBindViewHolder]. It updates the data for this
     * holder with the given manga.
@@ -41,32 +38,32 @@ class LibraryListHolder(
     */
    override fun onSetValues(item: LibraryItem) {
        // Update the title of the manga.
-        title.text = item.manga.title
+        binding.title.text = item.manga.title

        // For rounded corners
-        badges.clipToOutline = true
+        binding.badges.clipToOutline = true

        // Update the unread count and its visibility.
-        with(unread_text) {
+        with(binding.unreadText) {
            isVisible = item.unreadCount > 0
            text = item.unreadCount.toString()
        }
        // Update the download count and its visibility.
-        with(download_text) {
+        with(binding.downloadText) {
            isVisible = item.downloadCount > 0
            text = "${item.downloadCount}"
        }
        // show local text badge if local manga
-        local_text.isVisible = item.manga.isLocal()
+        binding.localText.isVisible = item.manga.isLocal()

        // Create thumbnail onclick to simulate long click
-        thumbnail.setOnClickListener {
+        binding.thumbnail.setOnClickListener {
            // Simulate long click on this view to enter selection mode
            onLongClick(itemView)
        }

        // Update the cover.
-        GlideApp.with(itemView.context).clear(thumbnail)
+        GlideApp.with(itemView.context).clear(binding.thumbnail)

        val radius = view.context.resources.getDimensionPixelSize(R.dimen.card_radius)
        val requestOptions = RequestOptions().transform(CenterCrop(), RoundedCorners(radius))
@@ -75,6 +72,6 @@ class LibraryListHolder(
            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
            .apply(requestOptions)
            .dontAnimate()
-            .into(thumbnail)
+            .into(binding.thumbnail)
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
@@ -415,8 +415,8 @@ class MainActivity : BaseActivity<MainActivityBinding>() {
    }

    /**
-     * Used to manually offset a view within the activity's child views that might be cut off due to the
-     * collapsing AppBarLayout.
+     * Used to manually offset a view within the activity's child views that might be cut off due to
+     * the collapsing AppBarLayout.
     */
    fun fixViewToBottom(view: View) {
        binding.appbar.addOnOffsetChangedListener(
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChapterHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChapterHolder.kt
@@ -5,25 +5,24 @@ import android.text.SpannableStringBuilder
 import android.text.style.ForegroundColorSpan
 import android.view.View
 import androidx.core.view.isVisible
+import eu.davidea.viewholders.FlexibleViewHolder
 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 kotlinx.android.synthetic.main.chapters_item.bookmark_icon
-import kotlinx.android.synthetic.main.chapters_item.chapter_description
-import kotlinx.android.synthetic.main.chapters_item.chapter_title
-import kotlinx.android.synthetic.main.chapters_item.download_text
+import eu.kanade.tachiyomi.databinding.ChaptersItemBinding
 import java.util.Date

 class ChapterHolder(
    view: View,
    private val adapter: ChaptersAdapter
-) : BaseFlexibleViewHolder(view, adapter) {
+) : FlexibleViewHolder(view, adapter) {
+
+    private val binding = ChaptersItemBinding.bind(view)

    fun bind(item: ChapterItem, manga: Manga) {
        val chapter = item.chapter

-        chapter_title.text = when (manga.displayMode) {
+        binding.chapterTitle.text = when (manga.displayMode) {
            Manga.DISPLAY_NUMBER -> {
                val number = adapter.decimalFormat.format(chapter.chapter_number.toDouble())
                itemView.context.getString(R.string.display_mode_chapter, number)
@@ -37,16 +36,16 @@ class ChapterHolder(
            chapter.bookmark -> adapter.bookmarkedColor
            else -> adapter.unreadColor
        }
-        chapter_title.setTextColor(chapterTitleColor)
+        binding.chapterTitle.setTextColor(chapterTitleColor)

        val chapterDescriptionColor = when {
            chapter.read -> adapter.readColor
            chapter.bookmark -> adapter.bookmarkedColor
            else -> adapter.unreadColorSecondary
        }
-        chapter_description.setTextColor(chapterDescriptionColor)
+        binding.chapterDescription.setTextColor(chapterDescriptionColor)

-        bookmark_icon.isVisible = chapter.bookmark
+        binding.bookmarkIcon.isVisible = chapter.bookmark

        val descriptions = mutableListOf<CharSequence>()

@@ -64,15 +63,15 @@ class ChapterHolder(
        }

        if (descriptions.isNotEmpty()) {
-            chapter_description.text = descriptions.joinTo(SpannableStringBuilder(), " • ")
+            binding.chapterDescription.text = descriptions.joinTo(SpannableStringBuilder(), " • ")
        } else {
-            chapter_description.text = ""
+            binding.chapterDescription.text = ""
        }

        notifyStatus(item.status)
    }

-    fun notifyStatus(status: Int) = with(download_text) {
+    fun notifyStatus(status: Int) = with(binding.downloadText) {
        when (status) {
            Download.QUEUE -> setText(R.string.chapter_queued)
            Download.DOWNLOADING -> setText(R.string.chapter_downloading)
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/recent/history/HistoryHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/recent/history/HistoryHolder.kt
@@ -2,18 +2,13 @@ package eu.kanade.tachiyomi.ui.recent.history

 import android.view.View
 import com.bumptech.glide.load.engine.DiskCacheStrategy
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.MangaChapterHistory
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
+import eu.kanade.tachiyomi.databinding.HistoryItemBinding
 import eu.kanade.tachiyomi.util.lang.toTimestampString
-import kotlinx.android.synthetic.main.history_item.cover
-import kotlinx.android.synthetic.main.history_item.holder
-import kotlinx.android.synthetic.main.history_item.manga_subtitle
-import kotlinx.android.synthetic.main.history_item.manga_title
-import kotlinx.android.synthetic.main.history_item.remove
-import kotlinx.android.synthetic.main.history_item.resume
 import java.util.Date

 /**
@@ -28,18 +23,20 @@ import java.util.Date
 class HistoryHolder(
    view: View,
    val adapter: HistoryAdapter
-) : BaseFlexibleViewHolder(view, adapter) {
+) : FlexibleViewHolder(view, adapter) {
+
+    private val binding = HistoryItemBinding.bind(view)

    init {
-        holder.setOnClickListener {
+        binding.holder.setOnClickListener {
            adapter.itemClickListener.onItemClick(bindingAdapterPosition)
        }

-        remove.setOnClickListener {
+        binding.remove.setOnClickListener {
            adapter.removeClickListener.onRemoveClick(bindingAdapterPosition)
        }

-        resume.setOnClickListener {
+        binding.resume.setOnClickListener {
            adapter.resumeClickListener.onResumeClick(bindingAdapterPosition)
        }
    }
@@ -54,26 +51,26 @@ class HistoryHolder(
        val (manga, chapter, history) = item

        // Set manga title
-        manga_title.text = manga.title
+        binding.mangaTitle.text = manga.title

        // Set chapter number + timestamp
        if (chapter.chapter_number > -1f) {
            val formattedNumber = adapter.decimalFormat.format(chapter.chapter_number.toDouble())
-            manga_subtitle.text = itemView.context.getString(
+            binding.mangaSubtitle.text = itemView.context.getString(
                R.string.recent_manga_time,
                formattedNumber,
                Date(history.last_read).toTimestampString()
            )
        } else {
-            manga_subtitle.text = Date(history.last_read).toTimestampString()
+            binding.mangaSubtitle.text = Date(history.last_read).toTimestampString()
        }

        // Set cover
-        GlideApp.with(itemView.context).clear(cover)
+        GlideApp.with(itemView.context).clear(binding.cover)
        GlideApp.with(itemView.context)
            .load(manga.toMangaThumbnail())
            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
            .centerCrop()
-            .into(cover)
+            .into(binding.cover)
    }
 }
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/recent/updates/UpdatesHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/recent/updates/UpdatesHolder.kt
@@ -5,16 +5,13 @@ import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.load.resource.bitmap.CenterCrop
 import com.bumptech.glide.load.resource.bitmap.RoundedCorners
 import com.bumptech.glide.request.RequestOptions
+import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
+import eu.kanade.tachiyomi.databinding.UpdatesItemBinding
 import eu.kanade.tachiyomi.util.system.getResourceColor
-import kotlinx.android.synthetic.main.updates_item.chapter_title
-import kotlinx.android.synthetic.main.updates_item.download_text
-import kotlinx.android.synthetic.main.updates_item.manga_cover
-import kotlinx.android.synthetic.main.updates_item.manga_title

 /**
 * Holder that contains chapter item
@@ -27,7 +24,9 @@ import kotlinx.android.synthetic.main.updates_item.manga_title
 * @constructor creates a new recent chapter holder.
 */
 class UpdatesHolder(private val view: View, private val adapter: UpdatesAdapter) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = UpdatesItemBinding.bind(view)

    private var readColor = view.context.getResourceColor(R.attr.colorOnSurface, 0.38f)
    private var unreadColor = view.context.getResourceColor(R.attr.colorOnSurface)
@@ -38,7 +37,7 @@ class UpdatesHolder(private val view: View, private val adapter: UpdatesAdapter)
    private var item: UpdatesItem? = null

    init {
-        manga_cover.setOnClickListener {
+        binding.mangaCover.setOnClickListener {
            adapter.coverClickListener.onCoverClick(bindingAdapterPosition)
        }
    }
@@ -52,25 +51,25 @@ class UpdatesHolder(private val view: View, private val adapter: UpdatesAdapter)
        this.item = item

        // Set chapter title
-        chapter_title.text = item.chapter.name
+        binding.chapterTitle.text = item.chapter.name

        // Set manga title
-        manga_title.text = item.manga.title
+        binding.mangaTitle.text = item.manga.title

        // Check if chapter is read and set correct color
        if (item.chapter.read) {
-            chapter_title.setTextColor(readColor)
-            manga_title.setTextColor(readColor)
+            binding.chapterTitle.setTextColor(readColor)
+            binding.mangaTitle.setTextColor(readColor)
        } else {
-            chapter_title.setTextColor(unreadColor)
-            manga_title.setTextColor(unreadColor)
+            binding.chapterTitle.setTextColor(unreadColor)
+            binding.mangaTitle.setTextColor(unreadColor)
        }

        // Set chapter status
        notifyStatus(item.status)

        // Set cover
-        GlideApp.with(itemView.context).clear(manga_cover)
+        GlideApp.with(itemView.context).clear(binding.mangaCover)

        val radius = itemView.context.resources.getDimensionPixelSize(R.dimen.card_radius)
        val requestOptions = RequestOptions().transform(CenterCrop(), RoundedCorners(radius))
@@ -79,7 +78,7 @@ class UpdatesHolder(private val view: View, private val adapter: UpdatesAdapter)
            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
            .apply(requestOptions)
            .dontAnimate()
-            .into(manga_cover)
+            .into(binding.mangaCover)
    }

    /**
@@ -87,7 +86,7 @@ class UpdatesHolder(private val view: View, private val adapter: UpdatesAdapter)
     *
     * @param status download status
     */
-    fun notifyStatus(status: Int) = with(download_text) {
+    fun notifyStatus(status: Int) = with(binding.downloadText) {
        when (status) {
            Download.QUEUE -> setText(R.string.chapter_queued)
            Download.DOWNLOADING -> setText(R.string.chapter_downloading)
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/setting/search/SettingsSearchHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/setting/search/SettingsSearchHolder.kt
@@ -1,11 +1,8 @@
 package eu.kanade.tachiyomi.ui.setting.search

 import android.view.View
-import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import kotlinx.android.synthetic.main.settings_search_controller_card.search_result_pref_breadcrumb
-import kotlinx.android.synthetic.main.settings_search_controller_card.search_result_pref_summary
-import kotlinx.android.synthetic.main.settings_search_controller_card.search_result_pref_title
-import kotlinx.android.synthetic.main.settings_search_controller_card.title_wrapper
+import eu.davidea.viewholders.FlexibleViewHolder
+import eu.kanade.tachiyomi.databinding.SettingsSearchControllerCardBinding
 import kotlin.reflect.full.createInstance

 /**
@@ -15,10 +12,12 @@ import kotlin.reflect.full.createInstance
 * @param adapter instance of [SettingsSearchAdapter]
 */
 class SettingsSearchHolder(view: View, val adapter: SettingsSearchAdapter) :
-    BaseFlexibleViewHolder(view, adapter) {
+    FlexibleViewHolder(view, adapter) {
+
+    private val binding = SettingsSearchControllerCardBinding.bind(view)

    init {
-        title_wrapper.setOnClickListener {
+        binding.titleWrapper.setOnClickListener {
            adapter.getItem(bindingAdapterPosition)?.let {
                val ctrl = it.settingsSearchResult.searchController::class.createInstance()
                ctrl.preferenceKey = it.settingsSearchResult.key
@@ -35,8 +34,8 @@ class SettingsSearchHolder(view: View, val adapter: SettingsSearchAdapter) :
     * @param item item of card.
     */
    fun bind(item: SettingsSearchItem) {
-        search_result_pref_title.text = item.settingsSearchResult.title
-        search_result_pref_summary.text = item.settingsSearchResult.summary
-        search_result_pref_breadcrumb.text = item.settingsSearchResult.breadcrumb
+        binding.searchResultPrefTitle.text = item.settingsSearchResult.title
+        binding.searchResultPrefSummary.text = item.settingsSearchResult.summary
+        binding.searchResultPrefBreadcrumb.text = item.settingsSearchResult.breadcrumb
    }
 }