Improve ui

app/src/main/AndroidManifest.xml

@@ -135,8 +135,7 @@
 			android:windowSoftInputMode="adjustResize" />
 		<activity
 			android:name="org.koitharu.kotatsu.favourites.ui.categories.FavouriteCategoriesActivity"
-			android:label="@string/favourites"
-			android:windowSoftInputMode="stateAlwaysHidden" />
+			android:label="@string/manage_categories" />
 		<activity
 			android:name="org.koitharu.kotatsu.widget.shelf.ShelfConfigActivity"
 			android:exported="true"

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/View.kt

@@ -12,6 +12,7 @@ import androidx.core.view.children
 import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager2.widget.ViewPager2
 import com.google.android.material.slider.Slider
+import com.google.android.material.tabs.TabLayout
 import kotlin.math.roundToInt
 
 fun View.hideKeyboard() {
@@ -147,3 +148,9 @@ var View.isRtl: Boolean
 	set(value) {
 		layoutDirection = if (value) View.LAYOUT_DIRECTION_RTL else View.LAYOUT_DIRECTION_LTR
 	}
+
+fun TabLayout.setTabsEnabled(enabled: Boolean) {
+	for (i in 0 until tabCount) {
+		getTabAt(i)?.view?.isEnabled = enabled
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/favourites/domain/FavouritesRepository.kt

@@ -143,14 +143,6 @@ class FavouritesRepository @Inject constructor(
 		db.favouriteCategoriesDao.updateTracking(id, isTrackingEnabled)
 	}
 
-	suspend fun removeCategory(id: Long) {
-		db.withTransaction {
-			db.favouriteCategoriesDao.delete(id)
-			db.favouritesDao.deleteAll(id)
-		}
-		channels.deleteChannel(id)
-	}
-
 	suspend fun removeCategories(ids: Collection<Long>) {
 		db.withTransaction {
 			for (id in ids) {

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/categories/CategoriesSelectionCallback.kt

@@ -7,7 +7,6 @@ import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
-import org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEditActivity
 import com.google.android.material.R as materialR
 
 class CategoriesSelectionCallback(
@@ -25,21 +24,44 @@ class CategoriesSelectionCallback(
 	}
 
 	override fun onPrepareActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
-		val isOneItem = controller.count == 1
-		menu.findItem(R.id.action_edit)?.isVisible = isOneItem
+		val categories = viewModel.getCategories(controller.peekCheckedIds())
+		var canShow = categories.isNotEmpty()
+		var canHide = canShow
+		for (cat in categories) {
+			if (cat.isVisibleInLibrary) {
+				canShow = false
+			} else {
+				canHide = false
+			}
+		}
+		menu.findItem(R.id.action_show)?.isVisible = canShow
+		menu.findItem(R.id.action_hide)?.isVisible = canHide
 		mode.title = controller.count.toString()
 		return true
 	}
 
 	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
 		return when (item.itemId) {
-			R.id.action_edit -> {
+			/*R.id.action_view -> {
 				val id = controller.peekCheckedIds().singleOrNull() ?: return false
 				val context = recyclerView.context
-				val intent = FavouritesCategoryEditActivity.newIntent(context, id)
+				val category = viewModel.getCategory(id) ?: return false
+				val intent = FavouritesActivity.newIntent(context, category)
 				context.startActivity(intent)
 				mode.finish()
 				true
+			}*/
+
+			R.id.action_show -> {
+				viewModel.setIsVisible(controller.snapshot(), true)
+				mode.finish()
+				true
+			}
+
+			R.id.action_hide -> {
+				viewModel.setIsVisible(controller.snapshot(), false)
+				mode.finish()
+				true
 			}
 
 			R.id.action_remove -> {

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/categories/FavouriteCategoriesActivity.kt

@@ -20,9 +20,7 @@ import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
-import org.koitharu.kotatsu.core.util.ext.scaleUpActivityOptionsOf
 import org.koitharu.kotatsu.databinding.ActivityCategoriesBinding
-import org.koitharu.kotatsu.favourites.ui.FavouritesActivity
 import org.koitharu.kotatsu.favourites.ui.categories.adapter.CategoriesAdapter
 import org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEditActivity
 import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
@@ -66,7 +64,7 @@ class FavouriteCategoriesActivity :
 			attachToRecyclerView(viewBinding.recyclerView)
 		}
 
-		viewModel.detalizedCategories.observe(this, ::onCategoriesChanged)
+		viewModel.categories.observe(this, ::onCategoriesChanged)
 		viewModel.onError.observeEvent(this, SnackbarErrorObserver(viewBinding.recyclerView, null))
 	}
 
@@ -80,9 +78,8 @@ class FavouriteCategoriesActivity :
 		if (selectionController.onItemClick(item.id)) {
 			return
 		}
-		val intent = FavouritesActivity.newIntent(this, item)
-		val options = scaleUpActivityOptionsOf(view)
-		startActivity(intent, options)
+		val intent = FavouritesCategoryEditActivity.newIntent(view.context, item.id)
+		startActivity(intent)
 	}
 
 	override fun onItemLongClick(item: FavouriteCategory, view: View): Boolean {

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/categories/FavouritesCategoriesViewModel.kt

@@ -9,6 +9,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.model.FavouriteCategory
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.requireValue
@@ -27,7 +28,7 @@ class FavouritesCategoriesViewModel @Inject constructor(
 
 	private var reorderJob: Job? = null
 
-	val detalizedCategories = repository.observeCategoriesWithCovers()
+	val categories = repository.observeCategoriesWithCovers()
 		.map { list ->
 			list.map { (category, covers) ->
 				CategoryListModel(
@@ -47,14 +48,8 @@ class FavouritesCategoriesViewModel @Inject constructor(
 			}
 		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, listOf(LoadingState))
 
-	fun deleteCategory(id: Long) {
-		launchJob {
-			repository.removeCategory(id)
-		}
-	}
-
 	fun deleteCategories(ids: Set<Long>) {
-		launchJob {
+		launchJob(Dispatchers.Default) {
 			repository.removeCategories(ids)
 		}
 	}
@@ -63,13 +58,13 @@ class FavouritesCategoriesViewModel @Inject constructor(
 		settings.isAllFavouritesVisible = isVisible
 	}
 
-	fun isEmpty(): Boolean = detalizedCategories.value.none { it is CategoryListModel }
+	fun isEmpty(): Boolean = categories.value.none { it is CategoryListModel }
 
 	fun reorderCategories(oldPos: Int, newPos: Int) {
 		val prevJob = reorderJob
 		reorderJob = launchJob(Dispatchers.Default) {
 			prevJob?.join()
-			val items = detalizedCategories.requireValue()
+			val items = categories.requireValue()
 			val ids = items.mapNotNullTo(ArrayList(items.size)) {
 				(it as? CategoryListModel)?.category?.id
 			}
@@ -78,4 +73,19 @@ class FavouritesCategoriesViewModel @Inject constructor(
 			repository.reorderCategories(ids)
 		}
 	}
+
+	fun setIsVisible(ids: Set<Long>, isVisible: Boolean) {
+		launchJob(Dispatchers.Default) {
+			for (id in ids) {
+				repository.updateCategory(id, isVisible)
+			}
+		}
+	}
+
+	fun getCategories(ids: Set<Long>): ArrayList<FavouriteCategory> {
+		val items = categories.requireValue()
+		return items.mapNotNullTo(ArrayList(ids.size)) { item ->
+			(item as? CategoryListModel)?.category?.takeIf { it.id in ids }
+		}
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/categories/adapter/CategoryAD.kt

@@ -35,8 +35,8 @@ fun categoryAD(
 	{ inflater, parent -> ItemCategoryBinding.inflate(inflater, parent, false) },
 ) {
 	val eventListener = object : OnClickListener, OnLongClickListener, OnTouchListener {
-		override fun onClick(v: View) = clickListener.onItemClick(item.category, binding.imageViewCover1)
-		override fun onLongClick(v: View) = clickListener.onItemLongClick(item.category, binding.imageViewCover1)
+		override fun onClick(v: View) = clickListener.onItemClick(item.category, itemView)
+		override fun onLongClick(v: View) = clickListener.onItemLongClick(item.category, itemView)
 		override fun onTouch(v: View?, event: MotionEvent): Boolean = event.actionMasked == MotionEvent.ACTION_DOWN &&
 			clickListener.onDragHandleTouch(this@adapterDelegateViewBinding)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/container/FavouritesContainerFragment.kt

@@ -1,22 +1,38 @@
 package org.koitharu.kotatsu.favourites.ui.container
 
-import android.annotation.SuppressLint
 import android.os.Bundle
 import android.view.LayoutInflater
+import android.view.View
 import android.view.ViewGroup
+import android.view.ViewStub
 import androidx.appcompat.view.ActionMode
 import androidx.core.graphics.Insets
+import androidx.core.view.isGone
+import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
 import androidx.fragment.app.viewModels
+import coil.ImageLoader
 import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.BaseFragment
 import org.koitharu.kotatsu.core.ui.util.ActionModeListener
 import org.koitharu.kotatsu.core.util.ext.addMenuProvider
+import org.koitharu.kotatsu.core.util.ext.enqueueWith
+import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.observe
+import org.koitharu.kotatsu.core.util.ext.setTabsEnabled
+import org.koitharu.kotatsu.core.util.ext.setTextAndVisible
 import org.koitharu.kotatsu.databinding.FragmentFavouritesContainerBinding
+import org.koitharu.kotatsu.databinding.ItemEmptyStateBinding
+import org.koitharu.kotatsu.favourites.ui.categories.FavouriteCategoriesActivity
+import javax.inject.Inject
 
 @AndroidEntryPoint
-class FavouritesContainerFragment : BaseFragment<FragmentFavouritesContainerBinding>(), ActionModeListener {
+class FavouritesContainerFragment : BaseFragment<FragmentFavouritesContainerBinding>(), ActionModeListener,
+	ViewStub.OnInflateListener, View.OnClickListener {
+
+	@Inject
+	lateinit var coil: ImageLoader
 
 	private val viewModel: FavouritesContainerViewModel by viewModels()
 
@@ -31,8 +47,10 @@ class FavouritesContainerFragment : BaseFragment<FragmentFavouritesContainerBind
 		binding.pager.adapter = adapter
 		binding.tabs.setupWithViewPager(binding.pager)
 		binding.pager.offscreenPageLimit = 1
+		binding.stubEmpty.setOnInflateListener(this)
 		actionModeDelegate.addListener(this)
 		viewModel.categories.observe(viewLifecycleOwner, adapter)
+		viewModel.isEmpty.observe(viewLifecycleOwner, ::onEmptyStateChanged)
 		addMenuProvider(FavouritesContainerMenuProvider(binding.root.context))
 	}
 
@@ -48,19 +66,42 @@ class FavouritesContainerFragment : BaseFragment<FragmentFavouritesContainerBind
 		)
 	}
 
-	@SuppressLint("ClickableViewAccessibility")
 	override fun onActionModeStarted(mode: ActionMode) {
 		viewBinding?.run {
 			pager.isUserInputEnabled = false
-			tabs.isEnabled = false
+			tabs.setTabsEnabled(false)
 		}
 	}
 
-	@SuppressLint("ClickableViewAccessibility")
 	override fun onActionModeFinished(mode: ActionMode) {
 		viewBinding?.run {
 			pager.isUserInputEnabled = true
-			tabs.isEnabled = true
+			tabs.setTabsEnabled(true)
+		}
+	}
+
+	override fun onInflate(stub: ViewStub?, inflated: View) {
+		val stubBinding = ItemEmptyStateBinding.bind(inflated)
+		stubBinding.icon.newImageRequest(viewLifecycleOwner, R.drawable.ic_empty_favourites)?.enqueueWith(coil)
+		stubBinding.textPrimary.setText(R.string.text_empty_holder_primary)
+		stubBinding.textSecondary.setTextAndVisible(R.string.empty_favourite_categories)
+		stubBinding.buttonRetry.setTextAndVisible(R.string.manage)
+		stubBinding.buttonRetry.setOnClickListener(this)
+	}
+
+	override fun onClick(v: View) {
+		when (v.id) {
+			R.id.button_retry -> startActivity(
+				FavouriteCategoriesActivity.newIntent(v.context),
+			)
+		}
+	}
+
+	private fun onEmptyStateChanged(isEmpty: Boolean) {
+		viewBinding?.run {
+			pager.isGone = isEmpty
+			tabs.isGone = isEmpty
+			stubEmpty.isVisible = isEmpty
 		}
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/container/FavouritesContainerViewModel.kt

@@ -5,6 +5,8 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.core.ui.BaseViewModel
@@ -17,8 +19,15 @@ class FavouritesContainerViewModel @Inject constructor(
 	favouritesRepository: FavouritesRepository,
 ) : BaseViewModel() {
 
-	val categories = favouritesRepository.observeCategoriesForLibrary()
+	private val categoriesStateFlow = favouritesRepository.observeCategoriesForLibrary()
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
+
+	val categories = categoriesStateFlow.filterNotNull()
 		.mapItems { FavouriteTabModel(it.id, it.title) }
 		.distinctUntilChanged()
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
+
+	val isEmpty = categoriesStateFlow.map {
+		it?.isEmpty() == true
+	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, false)
 }

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/FilterAdapter.kt

@@ -16,8 +16,12 @@ class FilterAdapter(
 ) : BaseListAdapter<ListModel>(), FastScroller.SectionIndexer {
 
 	init {
-		delegatesManager.addDelegate(filterSortDelegate(listener)).addDelegate(filterTagDelegate(listener))
-			.addDelegate(listHeaderAD(null)).addDelegate(loadingStateAD()).addDelegate(loadingFooterAD())
+		delegatesManager
+			.addDelegate(ITEM_TYPE_SORT, filterSortDelegate(listener))
+			.addDelegate(ITEM_TYPE_TAG, filterTagDelegate(listener))
+			.addDelegate(ITEM_TYPE_HEADER, listHeaderAD(listener))
+			.addDelegate(loadingStateAD())
+			.addDelegate(loadingFooterAD())
 			.addDelegate(filterErrorDelegate())
 		differ.addListListener(listListener)
 	}
@@ -32,4 +36,11 @@ class FilterAdapter(
 		}
 		return null
 	}
+
+	companion object {
+
+		const val ITEM_TYPE_SORT = 0
+		const val ITEM_TYPE_TAG = 1
+		const val ITEM_TYPE_HEADER = 2
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/FilterCoordinator.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.filter.ui
 
+import android.view.View
 import androidx.annotation.WorkerThread
 import androidx.lifecycle.SavedStateHandle
 import dagger.hilt.android.ViewModelLifecycle
@@ -95,6 +96,10 @@ class FilterCoordinator @Inject constructor(
 		}
 	}
 
+	override fun onListHeaderClick(item: ListHeader, view: View) {
+		reset()
+	}
+
 	fun observeAvailableTags(): Flow<Set<MangaTag>?> = flow {
 		if (!availableTagsDeferred.isCompleted) {
 			emit(emptySet())
@@ -208,7 +213,7 @@ class FilterCoordinator @Inject constructor(
 				}
 			}
 			if (allTags.isLoading || allTags.isError || tags.isNotEmpty()) {
-				list.add(ListHeader(R.string.genres, 0, null))
+				list.add(ListHeader(R.string.genres, if (state.tags.isEmpty()) 0 else R.string.reset, null))
 				tags.mapTo(list) {
 					FilterItem.Tag(it, isChecked = it in state.tags)
 				}

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/FilterItemDecoration.kt

@@ -0,0 +1,28 @@
+package org.koitharu.kotatsu.filter.ui
+
+import android.content.Context
+import android.graphics.Rect
+import android.view.View
+import androidx.recyclerview.widget.RecyclerView
+import org.koitharu.kotatsu.R
+
+class FilterItemDecoration(
+	context: Context,
+) : RecyclerView.ItemDecoration() {
+
+	private val spacing = context.resources.getDimensionPixelOffset(R.dimen.list_spacing)
+
+	override fun getItemOffsets(
+		outRect: Rect,
+		view: View,
+		parent: RecyclerView,
+		state: RecyclerView.State
+	) {
+		val itemType = parent.getChildViewHolder(view)?.itemViewType ?: -1
+		if (itemType == FilterAdapter.ITEM_TYPE_HEADER) {
+			outRect.set(spacing, 0, spacing, 0)
+		} else {
+			outRect.set(0, 0, 0, 0)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/FilterSheetFragment.kt

@@ -32,6 +32,7 @@ class FilterSheetFragment :
 		val adapter = FilterAdapter(filter, this)
 		binding.recyclerView.adapter = adapter
 		filter.filterItems.observe(viewLifecycleOwner, adapter)
+		binding.recyclerView.addItemDecoration(FilterItemDecoration(binding.root.context))
 
 		if (dialog == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 			binding.recyclerView.scrollIndicators = 0

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/OnFilterChangedListener.kt

@@ -1,8 +1,9 @@
 package org.koitharu.kotatsu.filter.ui
 
 import org.koitharu.kotatsu.filter.ui.model.FilterItem
+import org.koitharu.kotatsu.list.ui.adapter.ListHeaderClickListener
 
-interface OnFilterChangedListener {
+interface OnFilterChangedListener : ListHeaderClickListener {
 
 	fun onSortItemClick(item: FilterItem.Sort)
 

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/MangaListFragment.kt

@@ -309,7 +309,7 @@ abstract class MangaListFragment :
 	}
 
 	override fun onSelectionChanged(controller: ListSelectionController, count: Int) {
-		requireViewBinding().recyclerView.invalidateItemDecorations()
+		viewBinding?.recyclerView?.invalidateItemDecorations()
 	}
 
 	override fun onFastScrollStart(fastScroller: FastScroller) {

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/adapter/ListHeaderAD.kt

@@ -1,7 +1,8 @@
 package org.koitharu.kotatsu.list.ui.adapter
 
+import androidx.core.view.isInvisible
+import androidx.core.view.isVisible
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
-import org.koitharu.kotatsu.core.util.ext.setTextAndVisible
 import org.koitharu.kotatsu.databinding.ItemHeaderButtonBinding
 import org.koitharu.kotatsu.list.ui.model.ListHeader
 import org.koitharu.kotatsu.list.ui.model.ListModel
@@ -19,6 +20,12 @@ fun listHeaderAD(
 
 	bind {
 		binding.textViewTitle.text = item.getText(context)
-		binding.buttonMore.setTextAndVisible(item.buttonTextRes)
+		if (item.buttonTextRes == 0) {
+			binding.buttonMore.isInvisible = true
+			binding.buttonMore.text = null
+		} else {
+			binding.buttonMore.setText(item.buttonTextRes)
+			binding.buttonMore.isVisible = true
+		}
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/preview/PreviewFragment.kt

@@ -5,6 +5,7 @@ import android.text.method.LinkMovementMethod
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.TextView
 import androidx.core.graphics.Insets
 import androidx.core.view.isVisible
 import androidx.fragment.app.viewModels
@@ -120,11 +121,11 @@ class PreviewFragment : BaseFragment<FragmentPreviewBinding>(), View.OnClickList
 	}
 
 	private fun onDescriptionChanged(description: CharSequence?) {
-		val tv = requireViewBinding().textViewDescription
-		if (description.isNullOrBlank()) {
-			tv.setText(R.string.no_description)
-		} else {
-			tv.text = description
+		val tv = viewBinding?.textViewDescription ?: return
+		when {
+			description == null -> tv.setText(R.string.loading_)
+			description.isBlank() -> tv.setText(R.string.no_description)
+			else -> tv.setText(description, TextView.BufferType.NORMAL)
 		}
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/preview/PreviewViewModel.kt

@@ -12,6 +12,7 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChangedBy
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
@@ -49,6 +50,8 @@ class PreviewViewModel @Inject constructor(
 				emit(description.parseAsHtml().filterSpans().sanitize())
 				emit(description.parseAsHtml(imageGetter = imageGetter).filterSpans())
 			}
+		}.combine(isLoading) { desc, loading ->
+			if (loading) null else desc ?: ""
 		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.WhileSubscribed(5000), null)
 
 	val tagsChips = manga.map {

app/src/main/kotlin/org/koitharu/kotatsu/search/ui/MangaListActivity.kt

@@ -62,7 +62,7 @@ class MangaListActivity :
 			finishAfterTransition()
 			return
 		}
-		viewBinding.chipSort?.setOnClickListener(this)
+		viewBinding.buttonOrder?.setOnClickListener(this)
 		title = if (source == MangaSource.LOCAL) getString(R.string.local_storage) else source.title
 		initList(source, tags)
 	}
@@ -80,7 +80,7 @@ class MangaListActivity :
 
 	override fun onClick(v: View) {
 		when (v.id) {
-			R.id.chip_sort -> FilterSheetFragment.show(supportFragmentManager)
+			R.id.button_order -> FilterSheetFragment.show(supportFragmentManager)
 		}
 	}
 
@@ -127,7 +127,7 @@ class MangaListActivity :
 			}
 		}
 		val filter = filterOwner.filter
-		val chipSort = viewBinding.chipSort
+		val chipSort = viewBinding.buttonOrder
 		if (chipSort != null) {
 			filter.header.observe(this) {
 				chipSort.setTextAndVisible(it.sortOrder?.titleRes ?: 0)

app/src/main/res/drawable/ic_eye_off.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:width="24dp"
+	android:height="24dp"
+	android:tint="?attr/colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#000000"
+		android:pathData="M2,5.27L3.28,4L20,20.72L18.73,22L15.65,18.92C14.5,19.3 13.28,19.5 12,19.5C7,19.5 2.73,16.39 1,12C1.69,10.24 2.79,8.69 4.19,7.46L2,5.27M12,9A3,3 0 0,1 15,12C15,12.35 14.94,12.69 14.83,13L11,9.17C11.31,9.06 11.65,9 12,9M12,4.5C17,4.5 21.27,7.61 23,12C22.18,14.08 20.79,15.88 19,17.19L17.58,15.76C18.94,14.82 20.06,13.54 20.82,12C19.17,8.64 15.76,6.5 12,6.5C10.91,6.5 9.84,6.68 8.84,7L7.3,5.47C8.74,4.85 10.33,4.5 12,4.5M3.18,12C4.83,15.36 8.24,17.5 12,17.5C12.69,17.5 13.37,17.43 14,17.29L11.72,15C10.29,14.85 9.15,13.71 9,12.28L5.6,8.87C4.61,9.72 3.78,10.78 3.18,12Z" />
+</vector>

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

@@ -2,6 +2,7 @@
 <androidx.coordinatorlayout.widget.CoordinatorLayout
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
 	android:layout_width="match_parent"
 	android:layout_height="match_parent">
 
@@ -50,7 +51,8 @@
 		android:paddingVertical="@dimen/list_spacing"
 		android:scrollbars="vertical"
 		app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
-		app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior" />
+		app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior"
+		tools:listitem="@layout/item_category" />
 
 	<com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
 		android:id="@+id/fab_add"

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

@@ -29,19 +29,14 @@
 				app:layout_collapseMode="parallax"
 				tools:ignore="RtlSymmetry">
 
-				<com.google.android.material.chip.Chip
-					style="@style/Widget.Material3.Chip.Assist"
-					android:id="@+id/chip_sort"
+				<com.google.android.material.button.MaterialButton
+					android:id="@+id/button_order"
+					style="@style/Widget.Kotatsu.Button.More"
 					android:layout_width="wrap_content"
 					android:layout_height="wrap_content"
-					android:visibility="gone"
-					app:chipBackgroundColor="?attr/colorSurfaceContainerHigh"
-					app:chipIcon="@drawable/ic_sort"
-					app:chipIconEnabled="true"
-					app:closeIcon="@drawable/ic_expand_more"
-					app:closeIconEnabled="true"
-					app:layout_collapseMode="pin"
-					tools:text="@string/popular"
+					android:visibility="invisible"
+					app:icon="@drawable/ic_reorder"
+					tools:text="@string/manage"
 					tools:visibility="visible" />
 
 			</LinearLayout>

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

@@ -2,6 +2,7 @@
 <LinearLayout
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
 	android:layout_width="match_parent"
 	android:layout_height="match_parent"
 	android:orientation="vertical">
@@ -16,6 +17,14 @@
 	<org.koitharu.kotatsu.core.ui.widgets.EnhancedViewPager
 		android:id="@+id/pager"
 		android:layout_width="match_parent"
-		android:layout_height="match_parent" />
+		android:layout_height="match_parent"
+		tools:visibility="gone" />
+
+	<ViewStub
+		android:id="@+id/stub_empty"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:layout="@layout/item_empty_state"
+		tools:visibility="visible" />
 
 </LinearLayout>

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

@@ -124,7 +124,6 @@
 		android:id="@+id/imageView_handle"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
-		android:background="?selectableItemBackgroundBorderless"
 		android:contentDescription="@string/reorder"
 		android:padding="@dimen/margin_normal"
 		android:src="@drawable/ic_reorder_handle"

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

@@ -4,6 +4,7 @@
 	xmlns:tools="http://schemas.android.com/tools"
 	android:layout_width="match_parent"
 	android:layout_height="wrap_content"
+	android:baselineAligned="true"
 	android:orientation="horizontal">
 
 	<TextView
@@ -22,6 +23,8 @@
 		style="@style/Widget.Kotatsu.Button.More"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
-		android:text="@string/manage" />
+		android:visibility="invisible"
+		tools:text="@string/manage"
+		tools:visibility="visible" />
 
 </LinearLayout>

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

@@ -4,9 +4,15 @@
 	xmlns:app="http://schemas.android.com/apk/res-auto">
 
 	<item
-		android:id="@+id/action_edit"
-		android:icon="@drawable/ic_edit"
-		android:title="@string/edit"
+		android:id="@+id/action_show"
+		android:icon="@drawable/ic_eye"
+		android:title="@string/show"
+		app:showAsAction="ifRoom" />
+
+	<item
+		android:id="@+id/action_hide"
+		android:icon="@drawable/ic_eye_off"
+		android:title="@string/hide"
 		app:showAsAction="ifRoom" />
 
 	<item
@@ -15,4 +21,4 @@
 		android:title="@string/remove"
 		app:showAsAction="ifRoom" />
 
-</menu>
+</menu>

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

@@ -5,7 +5,7 @@
 	<item
 		android:id="@+id/action_manage"
 		android:orderInCategory="48"
-		android:title="@string/manage_favourites"
+		android:title="@string/manage_categories"
 		android:titleCondensed="@string/manage" />
 
 </menu>

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

@@ -460,10 +460,12 @@
 	<string name="background">Background</string>
 	<string name="data_not_restored">Data was not restored</string>
 	<string name="data_not_restored_text">Make sure you have selected the correct backup file</string>
-	<string name="manage_favourites">Manage favourites</string>
+	<string name="manage_categories">Manage categories</string>
 	<string name="suggestions_wifi_only_summary">Do not update suggestions using metered network connections</string>
 	<string name="tracker_wifi_only_summary">Do not check for new chapters using metered network connections</string>
 	<string name="search_hint">Enter manga title, genre or source name</string>
 	<string name="progress">Progress</string>
 	<string name="order_added">Added</string>
+	<string name="view_list">View list</string>
+	<string name="show">Show</string>
 </resources>