Using a dialog for the full cover transition in manga details

which will optimize the blur by a lot

(also adding in the manga detail button styles from upstream, not using it for anything but save/share)

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

@@ -0,0 +1,251 @@
+package eu.kanade.tachiyomi.ui.manga
+
+import android.animation.AnimatorSet
+import android.animation.ValueAnimator
+import android.app.Dialog
+import android.graphics.Color
+import android.graphics.Rect
+import android.graphics.drawable.Drawable
+import android.os.Build
+import android.view.LayoutInflater
+import android.view.View
+import android.view.animation.DecelerateInterpolator
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.animation.addListener
+import androidx.transition.ChangeBounds
+import androidx.transition.ChangeImageTransform
+import androidx.transition.TransitionManager
+import androidx.transition.TransitionSet
+import com.google.android.material.shape.CornerFamily
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.databinding.FullCoverDialogBinding
+import eu.kanade.tachiyomi.util.system.dpToPx
+import eu.kanade.tachiyomi.util.view.animateBlur
+import eu.kanade.tachiyomi.util.view.updateLayoutParams
+import uy.kohesive.injekt.injectLazy
+
+class FullCoverDialog(val controller: MangaDetailsController, drawable: Drawable, val thumbView: View) :
+    Dialog(controller.activity!!, R.style.FullCoverDialogTheme) {
+
+    val activity = controller.activity
+    val binding = FullCoverDialogBinding.inflate(LayoutInflater.from(context), null, false)
+    val preferences: PreferencesHelper by injectLazy()
+
+    private val ratio = 5f.dpToPx
+    private val fullRatio = 0f
+    val shortAnimationDuration = (
+        activity?.resources?.getInteger(
+            android.R.integer.config_shortAnimTime
+        ) ?: 0
+        ).toLong()
+
+    init {
+        setContentView(binding.root)
+
+        binding.touchOutside.setOnClickListener {
+            onBackPressed()
+        }
+        binding.mangaCoverFull.setOnClickListener {
+            onBackPressed()
+        }
+
+        binding.btnSave.setOnClickListener {
+            controller.saveCover()
+        }
+        binding.btnShare.setOnClickListener {
+            controller.shareCover()
+        }
+
+        val expandedImageView = binding.mangaCoverFull
+        expandedImageView.shapeAppearanceModel =
+            expandedImageView.shapeAppearanceModel.toBuilder()
+                .setAllCorners(CornerFamily.ROUNDED, ratio)
+                .build()
+
+        expandedImageView.setImageDrawable(drawable)
+
+        val rect = Rect()
+        thumbView.getGlobalVisibleRect(rect)
+        val topInset = activity?.window?.decorView?.rootWindowInsets?.systemWindowInsetTop ?: 0
+        val leftInset = activity?.window?.decorView?.rootWindowInsets?.systemWindowInsetLeft ?: 0
+        val rightInset = activity?.window?.decorView?.rootWindowInsets?.systemWindowInsetRight ?: 0
+        expandedImageView.updateLayoutParams<ConstraintLayout.LayoutParams> {
+            height = thumbView.height
+            width = thumbView.width
+            topMargin = rect.top - topInset
+            leftMargin = rect.left - leftInset
+            rightMargin = rect.right - rightInset
+            bottomMargin = rect.bottom
+            horizontalBias = 0.0f
+            verticalBias = 0.0f
+        }
+        expandedImageView.requestLayout()
+        binding.btnShare.alpha = 0f
+        binding.btnSave.alpha = 0f
+
+        expandedImageView.post {
+            // Hide the thumbnail and show the zoomed-in view. When the animation
+            // begins, it will position the zoomed-in view in the place of the
+            // thumbnail.
+            thumbView.alpha = 0f
+            val defMargin = 16.dpToPx
+            if (Build.VERSION.SDK_INT >= 31) {
+                activity?.window?.decorView?.animateBlur(1f, 20f, 50)?.start()
+            }
+            expandedImageView.updateLayoutParams<ConstraintLayout.LayoutParams> {
+                height = 0
+                width = 0
+                topMargin = defMargin
+                leftMargin = defMargin
+                rightMargin = defMargin
+                bottomMargin = defMargin
+                horizontalBias = 0.5f
+                verticalBias = 0.5f
+            }
+
+            // TransitionSet for the full cover because using animation for this SUCKS
+            val transitionSet = TransitionSet()
+            val bound = ChangeBounds()
+            transitionSet.addTransition(bound)
+            val changeImageTransform = ChangeImageTransform()
+            transitionSet.addTransition(changeImageTransform)
+            transitionSet.duration = shortAnimationDuration
+            TransitionManager.beginDelayedTransition(binding.root, transitionSet)
+
+            AnimatorSet().apply {
+                val radiusAnimator = ValueAnimator.ofFloat(ratio, fullRatio).apply {
+                    addUpdateListener {
+                        val value = it.animatedValue as Float
+                        expandedImageView.shapeAppearanceModel =
+                            expandedImageView.shapeAppearanceModel.toBuilder()
+                                .setAllCorners(CornerFamily.ROUNDED, value)
+                                .build()
+                    }
+                    duration = shortAnimationDuration
+                }
+                val saveAnimator = ValueAnimator.ofFloat(binding.btnShare.alpha, 1f).apply {
+                    addUpdateListener {
+                        binding.btnShare.alpha = it.animatedValue as Float
+                        binding.btnSave.alpha = it.animatedValue as Float
+                    }
+                }
+                playTogether(radiusAnimator, saveAnimator)
+                duration = shortAnimationDuration
+                interpolator = DecelerateInterpolator()
+                start()
+            }
+        }
+
+        window?.let { window ->
+            window.navigationBarColor = Color.TRANSPARENT
+            window.decorView.fitsSystemWindows = true
+            window.decorView.systemUiVisibility = window.decorView.systemUiVisibility
+                .rem(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR)
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                window.decorView.systemUiVisibility = window.decorView.systemUiVisibility
+                    .rem(View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR)
+            }
+        }
+    }
+
+    override fun cancel() {
+        super.cancel()
+        thumbView.alpha = 1f
+    }
+
+    override fun dismiss() {
+        super.dismiss()
+        thumbView.alpha = 1f
+    }
+
+    private fun animateBack() {
+        val rect2 = Rect()
+        thumbView.getGlobalVisibleRect(rect2)
+        binding.mangaCoverFull.isClickable = false
+        binding.touchOutside.isClickable = false
+        val expandedImageView = binding.mangaCoverFull
+        val topInset = activity?.window?.decorView?.rootWindowInsets?.systemWindowInsetTop ?: 0
+        val leftInset = activity?.window?.decorView?.rootWindowInsets?.systemWindowInsetLeft ?: 0
+        val rightInset = activity?.window?.decorView?.rootWindowInsets?.systemWindowInsetRight ?: 0
+        expandedImageView.updateLayoutParams<ConstraintLayout.LayoutParams> {
+            height = thumbView.height
+            width = thumbView.width
+            topMargin = rect2.top - topInset
+            leftMargin = rect2.left - leftInset
+            rightMargin = rect2.right - rightInset
+            bottomMargin = rect2.bottom
+            horizontalBias = 0.0f
+            verticalBias = 0.0f
+        }
+
+        // Zoom out back to tc thumbnail
+        val transitionSet2 = TransitionSet()
+        val bound2 = ChangeBounds()
+        transitionSet2.addTransition(bound2)
+        val changeImageTransform2 = ChangeImageTransform()
+        transitionSet2.addTransition(changeImageTransform2)
+        transitionSet2.duration = shortAnimationDuration
+        TransitionManager.beginDelayedTransition(binding.root, transitionSet2)
+
+        if (Build.VERSION.SDK_INT >= 31) {
+            activity?.window?.decorView?.animateBlur(20f, 0.1f, 50, true)?.apply {
+                startDelay = shortAnimationDuration - 100
+            }?.start()
+        }
+        val attrs = window?.attributes
+        val ogDim = attrs?.dimAmount ?: 0.25f
+
+        // AnimationSet for backdrop because idk how to use TransitionSet
+        AnimatorSet().apply {
+            val radiusAnimator = ValueAnimator.ofFloat(fullRatio, ratio).apply {
+                addUpdateListener {
+                    val value = it.animatedValue as Float
+                    expandedImageView.shapeAppearanceModel =
+                        expandedImageView.shapeAppearanceModel.toBuilder()
+                            .setAllCorners(CornerFamily.ROUNDED, value)
+                            .build()
+                }
+            }
+            val dimAnimator = ValueAnimator.ofFloat(ogDim, 0f).apply {
+                addUpdateListener {
+                    window?.setDimAmount(it.animatedValue as Float)
+                }
+            }
+
+            val saveAnimator = ValueAnimator.ofFloat(binding.btnShare.alpha, 0f).apply {
+                addUpdateListener {
+                    binding.btnShare.alpha = it.animatedValue as Float
+                    binding.btnSave.alpha = it.animatedValue as Float
+                }
+            }
+
+            playTogether(radiusAnimator, dimAnimator, saveAnimator)
+
+            addListener(
+                onEnd = {
+                    TransitionManager.endTransitions(binding.root)
+                    thumbView.alpha = 1f
+                    expandedImageView.post {
+                        dismiss()
+                    }
+                },
+                onCancel = {
+                    TransitionManager.endTransitions(binding.root)
+                    thumbView.alpha = 1f
+                    expandedImageView.post {
+                        dismiss()
+                    }
+                }
+            )
+            interpolator = DecelerateInterpolator()
+            duration = shortAnimationDuration
+        }.start()
+    }
+
+    override fun onBackPressed() {
+        if (binding.mangaCoverFull.isClickable) {
+            animateBack()
+        }
+    }
+}

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

@@ -1,9 +1,5 @@
 package eu.kanade.tachiyomi.ui.manga
 
-import android.animation.Animator
-import android.animation.AnimatorListenerAdapter
-import android.animation.AnimatorSet
-import android.animation.ObjectAnimator
 import android.animation.ValueAnimator
 import android.app.Activity
 import android.content.ClipData
@@ -12,9 +8,6 @@ import android.content.Context
 import android.content.Intent
 import android.content.res.Configuration
 import android.graphics.Color
-import android.graphics.Rect
-import android.graphics.RenderEffect
-import android.graphics.Shader
 import android.graphics.drawable.BitmapDrawable
 import android.os.Build
 import android.os.Bundle
@@ -25,7 +18,6 @@ import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import android.view.WindowInsets
-import android.view.animation.DecelerateInterpolator
 import android.view.inputmethod.InputMethodManager
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
@@ -37,10 +29,6 @@ import androidx.palette.graphics.Palette
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import androidx.transition.ChangeBounds
-import androidx.transition.ChangeImageTransform
-import androidx.transition.TransitionManager
-import androidx.transition.TransitionSet
 import coil.Coil
 import coil.imageLoader
 import coil.request.ImageRequest
@@ -92,11 +80,9 @@ import eu.kanade.tachiyomi.util.isLocal
 import eu.kanade.tachiyomi.util.moveCategories
 import eu.kanade.tachiyomi.util.storage.getUriCompat
 import eu.kanade.tachiyomi.util.system.ThemeUtil
-import eu.kanade.tachiyomi.util.system.contextCompatDrawable
 import eu.kanade.tachiyomi.util.system.dpToPx
 import eu.kanade.tachiyomi.util.system.getPrefTheme
 import eu.kanade.tachiyomi.util.system.getResourceColor
-import eu.kanade.tachiyomi.util.system.isInNightMode
 import eu.kanade.tachiyomi.util.system.isOnline
 import eu.kanade.tachiyomi.util.system.isTablet
 import eu.kanade.tachiyomi.util.system.launchUI
@@ -187,9 +173,6 @@ class MangaDetailsController :
 
     private var actionMode: ActionMode? = null
 
-    // Hold a reference to the current animator, so that it can be canceled mid-way.
-    private var currentAnimator: Animator? = null
-
     var headerHeight = 0
     var fullCoverActive = false
 
@@ -516,14 +499,6 @@ class MangaDetailsController :
             activityBinding?.root?.clearFocus()
         }
     }
-
-    override fun handleBack(): Boolean {
-        if (binding.mangaCoverFull.visibility == View.VISIBLE) {
-            binding.mangaCoverFull.performClick()
-            return true
-        }
-        return super.handleBack()
-    }
     //endregion
 
     fun isNotOnline(showSnackbar: Boolean = true): Boolean {
@@ -822,15 +797,6 @@ class MangaDetailsController :
 
     //region action bar menu methods
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
-        if (fullCoverActive) {
-            colorToolbar(isColor = false)
-            activityBinding?.toolbar?.navigationIcon =
-                view?.context?.contextCompatDrawable(R.drawable.ic_arrow_back_24dp)?.apply {
-                    setTint(Color.WHITE)
-                }
-            inflater.inflate(R.menu.manga_details_cover, menu)
-            return
-        }
         colorToolbar(binding.recycler.canScrollVertically(-1))
         activityBinding?.toolbar?.navigationIcon =
             activityBinding?.toolbar?.navigationIcon?.mutate()?.apply {
@@ -921,34 +887,36 @@ class MangaDetailsController :
             R.id.download_next, R.id.download_next_5, R.id.download_custom, R.id.download_unread, R.id.download_all -> downloadChapters(
                 item.itemId
             )
-            R.id.save -> {
-                if (presenter.saveCover()) {
-                    activity?.toast(R.string.cover_saved)
-                } else {
-                    activity?.toast(R.string.error_saving_cover)
-                }
-            }
-            R.id.share -> {
-                val cover = presenter.shareCover()
-                if (cover != null) {
-                    val stream = cover.getUriCompat(activity!!)
-                    val intent = Intent(Intent.ACTION_SEND).apply {
-                        putExtra(Intent.EXTRA_STREAM, stream)
-                        flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION
-                        clipData = ClipData.newRawUri(null, stream)
-                        type = "image/*"
-                    }
-                    startActivity(Intent.createChooser(intent, activity?.getString(R.string.share)))
-                } else {
-                    activity?.toast(R.string.error_sharing_cover)
-                }
-            }
             else -> return super.onOptionsItemSelected(item)
         }
         return true
     }
     //endregion
 
+    fun saveCover() {
+        if (presenter.saveCover()) {
+            activity?.toast(R.string.cover_saved)
+        } else {
+            activity?.toast(R.string.error_saving_cover)
+        }
+    }
+
+    fun shareCover() {
+        val cover = presenter.shareCover()
+        if (cover != null) {
+            val stream = cover.getUriCompat(activity!!)
+            val intent = Intent(Intent.ACTION_SEND).apply {
+                putExtra(Intent.EXTRA_STREAM, stream)
+                flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION
+                clipData = ClipData.newRawUri(null, stream)
+                type = "image/*"
+            }
+            startActivity(Intent.createChooser(intent, activity?.getString(R.string.share)))
+        } else {
+            activity?.toast(R.string.error_sharing_cover)
+        }
+    }
+
     override fun prepareToShareManga() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
             val request = ImageRequest.Builder(activity!!).data(manga).target(
@@ -1410,185 +1378,22 @@ class MangaDetailsController :
     }
 
     override fun zoomImageFromThumb(thumbView: View) {
-        // If there's an animation in progress, cancel it immediately and proceed with this one.
-        currentAnimator?.cancel()
-
-        // Load the high-resolution "zoomed-in" image.
-        val expandedImageView = binding.mangaCoverFull
-        val fullBackdrop = binding.fullBackdrop
-
-        // Hide the thumbnail and show the zoomed-in view. When the animation
-        // begins, it will position the zoomed-in view in the place of the
-        // thumbnail.
-        thumbView.alpha = 0f
-        expandedImageView.visibility = View.VISIBLE
-        fullBackdrop.visibility = View.VISIBLE
-
-        // Set the pivot point to 0 to match thumbnail
-
-        binding.swipeRefresh.isEnabled = false
-
-        val rect = Rect()
-        thumbView.getGlobalVisibleRect(rect)
-        expandedImageView.updateLayoutParams<ViewGroup.MarginLayoutParams> {
-            height = thumbView.height
-            width = thumbView.width
-            topMargin = rect.top
-            leftMargin = rect.left
-            rightMargin = rect.right
-            bottomMargin = rect.bottom
-        }
-        expandedImageView.requestLayout()
-
-        val activity = activity as? MainActivity ?: return
-        val currColor = activity.drawerArrow?.color
-        if (!activity.isInNightMode()) {
-            activityBinding?.appBar?.context?.setTheme(R.style.ThemeOverlay_AppCompat_Dark_ActionBar)
-
-            val iconPrimary = Color.WHITE
-            activityBinding?.toolbar?.setTitleTextColor(iconPrimary)
-            activity.drawerArrow?.color = iconPrimary
-            activityBinding?.toolbar?.overflowIcon?.setTint(iconPrimary)
-            activity.window.decorView.systemUiVisibility =
-                activity.window.decorView.systemUiVisibility.rem(
-                    View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
-                )
-        }
+        if (fullCoverActive) return
         fullCoverActive = true
-        activity.invalidateOptionsMenu()
-
-        expandedImageView.post {
-            val defMargin = 16.dpToPx
-            expandedImageView.updateLayoutParams<ViewGroup.MarginLayoutParams> {
-                height = ViewGroup.LayoutParams.MATCH_PARENT
-                width = ViewGroup.LayoutParams.MATCH_PARENT
-                topMargin = defMargin + headerHeight
-                leftMargin = defMargin
-                rightMargin = defMargin
-                bottomMargin = defMargin + binding.recycler.paddingBottom
-            }
-            val shortAnimationDuration = (
-                resources?.getInteger(
-                    android.R.integer.config_shortAnimTime
-                ) ?: 0
-                ).toLong()
-
-            // TransitionSet for the full cover because using animation for this SUCKS
-            val transitionSet = TransitionSet()
-            val bound = ChangeBounds()
-            transitionSet.addTransition(bound)
-            val changeImageTransform = ChangeImageTransform()
-            transitionSet.addTransition(changeImageTransform)
-            transitionSet.duration = shortAnimationDuration
-            TransitionManager.beginDelayedTransition(binding.frameLayout, transitionSet)
-
-            // AnimationSet for backdrop because idk how to use TransitionSet
-            currentAnimator = AnimatorSet().apply {
-                play(
-                    ObjectAnimator.ofFloat(fullBackdrop, View.ALPHA, 0f, 0.5f)
-                )
-
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                    binding.swipeRefresh.setRenderEffect(
-                        RenderEffect.createBlurEffect(
-                            15f,
-                            15f,
-                            Shader.TileMode.MIRROR
-                        )
-                    )
-                }
-
-                duration = shortAnimationDuration
-                interpolator = DecelerateInterpolator()
-                addListener(
-                    object : AnimatorListenerAdapter() {
-
-                        override fun onAnimationEnd(animation: Animator) {
-                            TransitionManager.endTransitions(binding.frameLayout)
-                            currentAnimator = null
-                        }
-
-                        override fun onAnimationCancel(animation: Animator) {
-                            TransitionManager.endTransitions(binding.frameLayout)
-                            currentAnimator = null
-                        }
-                    }
-                )
-                start()
-            }
-
-            expandedImageView.setOnClickListener {
-                currentAnimator?.cancel()
-
-                fullCoverActive = false
-                activity.invalidateOptionsMenu()
-                val rect2 = Rect()
-                thumbView.getGlobalVisibleRect(rect2)
-                expandedImageView.updateLayoutParams<ViewGroup.MarginLayoutParams> {
-                    height = thumbView.height
-                    width = thumbView.width
-                    topMargin = rect2.top
-                    leftMargin = rect2.left
-                    rightMargin = rect2.right
-                    bottomMargin = rect2.bottom
-                }
-
-                // Zoom out back to tc thumbnail
-                val transitionSet2 = TransitionSet()
-                val bound2 = ChangeBounds()
-                transitionSet2.addTransition(bound2)
-                val changeImageTransform2 = ChangeImageTransform()
-                transitionSet2.addTransition(changeImageTransform2)
-                transitionSet2.duration = shortAnimationDuration
-                TransitionManager.beginDelayedTransition(binding.frameLayout, transitionSet2)
-
-                // Animation to remove backdrop and hide the full cover
-                currentAnimator = AnimatorSet().apply {
-                    play(ObjectAnimator.ofFloat(fullBackdrop, View.ALPHA, 0f))
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                        binding.swipeRefresh.setRenderEffect(null)
-                    }
-                    duration = shortAnimationDuration
-                    interpolator = DecelerateInterpolator()
-
-                    if (!activity.isInNightMode()) {
-                        activityBinding?.appBar?.context?.setTheme(
-                            activity.getPrefTheme(presenter.preferences).styleRes
-                        )
-
-                        val iconPrimary = currColor ?: Color.WHITE
-                        activityBinding?.toolbar?.setTitleTextColor(iconPrimary)
-                        activity.drawerArrow?.color = iconPrimary
-                        activityBinding?.toolbar?.overflowIcon?.setTint(iconPrimary)
-                        activity.window.decorView.systemUiVisibility =
-                            activity.window.decorView.systemUiVisibility.or(
-                                View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
-                            )
-                    }
-                    addListener(
-                        object : AnimatorListenerAdapter() {
-
-                            override fun onAnimationEnd(animation: Animator) {
-                                thumbView.alpha = 1f
-                                expandedImageView.visibility = View.GONE
-                                fullBackdrop.visibility = View.GONE
-                                binding.swipeRefresh.isEnabled = true
-                                currentAnimator = null
-                            }
-
-                            override fun onAnimationCancel(animation: Animator) {
-                                thumbView.alpha = 1f
-                                expandedImageView.visibility = View.GONE
-                                fullBackdrop.visibility = View.GONE
-                                binding.swipeRefresh.isEnabled = true
-                                currentAnimator = null
-                            }
-                        }
-                    )
-                    start()
-                }
-            }
+        val expandedImageView = binding.mangaCoverFull
+        val fullCoverDialog = FullCoverDialog(
+            this,
+            expandedImageView.drawable,
+            thumbView
+        )
+        fullCoverDialog.setOnDismissListener {
+            fullCoverActive = false
         }
+        fullCoverDialog.setOnCancelListener {
+            fullCoverActive = false
+        }
+        fullCoverDialog.show()
+        return
     }
 
     companion object {

app/src/main/res/color/button_action_selector.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:alpha="1.00" android:color="?attr/colorPrimary" android:state_activated="true" />
+    <item android:alpha="0.38" android:color="?attr/colorOnSurface" android:state_activated="false" />
+</selector>

app/src/main/res/layout/full_cover_dialog.xml

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:background="@android:color/transparent"
+    tools:background="@color/gray_button"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <View
+        android:id="@+id/touch_outside"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:layout_width="0dp"
+        android:layout_height="0dp"/>
+
+        <com.google.android.material.imageview.ShapeableImageView
+            android:id="@+id/manga_cover_full"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:scaleType="fitCenter"
+            android:adjustViewBounds="true"
+            tools:src="@mipmap/ic_launcher"
+            android:contentDescription="@string/cover_of_image"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginEnd="16dp"
+            android:layout_marginBottom="16dp"
+            app:layout_constraintHorizontal_bias="0.0"
+            app:layout_constraintVertical_bias="0.0"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toTopOf="@id/button_container" />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/button_container"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintVertical_bias="1.0"
+        app:layout_constraintStart_toStartOf="parent"
+        android:layout_marginBottom="4dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent">
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/btn_save"
+            style="@style/Widget.Tachiyomi.Button.ActionButton.White"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@id/btn_share"
+            app:layout_constraintStart_toStartOf="parent"
+            android:text="@string/save"
+            app:icon="@drawable/ic_save_24dp" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/btn_share"
+            style="@style/Widget.Tachiyomi.Button.ActionButton.White"
+            app:layout_constraintStart_toEndOf="@id/btn_save"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            android:text="@string/share"
+            app:icon="@drawable/ic_share_24dp" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/manga_details_controller.xml

@@ -73,17 +73,6 @@
         android:layout_height="match_parent"
         app:fastScrollerBubbleEnabled="true" />
 
-    <View
-        android:id="@+id/full_backdrop"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:alpha="0"
-        android:clickable="true"
-        android:focusable="true"
-        android:foreground="@color/md_black_1000"
-        android:visibility="invisible"
-        tools:background="@color/md_black_1000" />
-
     <ImageView
         android:id="@+id/manga_cover_full"
         android:layout_width="match_parent"

app/src/main/res/menu/manga_details_cover.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item
-        android:id="@+id/save"
-        android:icon="@drawable/ic_save_24dp"
-        android:title="@string/save"
-        app:iconTint="@android:color/white"
-        app:showAsAction="ifRoom" />
-
-    <item
-        android:id="@+id/share"
-        android:icon="@drawable/ic_share_24dp"
-        android:title="@string/share"
-        app:iconTint="@android:color/white"
-        app:showAsAction="ifRoom" />
-</menu>

app/src/main/res/values/styles.xml

@@ -197,6 +197,16 @@
         <item name="android:windowExitAnimation">@anim/fade_out_short</item>
     </style>
 
+    <style name="FullCoverDialogTheme" parent="BottomSheetDialogTheme">
+        <item name="android:windowAnimationStyle">@style/Theme.Widget.Animation.Static</item>
+    </style>
+
+    <style name="Theme.Widget.Animation.Static" parent="android:Animation">
+        <item name="android:windowEnterAnimation">@null</item>
+        <item name="android:windowExitAnimation">@null</item>
+        <item name="android:exitFadeDuration">0</item>
+    </style>
+
     <style name="Theme.Widget.TextInputLayout.OutlinedBox.Dense" parent="Widget.MaterialComponents.TextInputLayout.OutlinedBox.Dense">
         <item name="boxStrokeColor">@color/text_input_stroke</item>
         <item name="hintTextColor">?colorAccent</item>
@@ -235,6 +245,20 @@
     <!--==============-->
     <!--Widgets.Button-->
     <!--==============-->
+    <style name="Widget.Tachiyomi.Button.ActionButton" parent="Widget.MaterialComponents.Button.TextButton.Icon">
+        <item name="iconGravity">top</item>
+        <item name="iconTint">@color/button_action_selector</item>
+        <item name="iconPadding">4dp</item>
+        <item name="android:textAllCaps">false</item>
+        <item name="android:textColor">@color/button_action_selector</item>
+        <item name="android:textSize">12sp</item>
+    </style>
+
+    <style name="Widget.Tachiyomi.Button.ActionButton.White">
+        <item name="iconTint">@color/md_white_1000</item>
+        <item name="android:textColor">@color/md_white_1000</item>
+    </style>
+
     <style name="Theme.Widget.Button" parent="Widget.AppCompat.Button" />
 
     <style name="Theme.Widget.Button.Colored" parent="Widget.MaterialComponents.Button">