Configure manga directories

app/build.gradle

@@ -15,8 +15,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
 		targetSdkVersion 33
-		versionCode 555
+		versionCode 556
-		versionName '5.2.3'
+		versionName '5.3'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 

app/src/main/AndroidManifest.xml

@@ -105,6 +105,9 @@
 				<data android:host="sync-settings" />
 			</intent-filter>
 		</activity>
+		<activity
+			android:name="org.koitharu.kotatsu.settings.storage.directories.MangaDirectoriesActivity"
+			android:label="@string/local_manga_directories" />
 		<activity
 			android:name="org.koitharu.kotatsu.browser.BrowserActivity"
 			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -249,11 +249,15 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	var mangaStorageDir: File?
 		get() = prefs.getString(KEY_LOCAL_STORAGE, null)?.let {
 			File(it)
-		}?.takeIf { it.exists() }
+		}?.takeIf { it.exists() && it in userSpecifiedMangaDirectories }
 		set(value) = prefs.edit {
 			if (value == null) {
 				remove(KEY_LOCAL_STORAGE)
 			} else {
+				val userDirs = userSpecifiedMangaDirectories
+				if (value !in userDirs) {
+					userSpecifiedMangaDirectories = userDirs + value
+				}
 				putString(KEY_LOCAL_STORAGE, value.path)
 			}
 		}

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

@@ -78,9 +78,6 @@ abstract class MangaListFragment :
 	private val spanSizeLookup = SpanSizeLookup()
 	private val listCommitCallback = Runnable {
 		spanSizeLookup.invalidateCache()
-		viewBinding?.let {
-			paginationListener?.onScrolled(it.recyclerView, 0, 0)
-		}
 	}
 	open val isSwipeRefreshEnabled = true
 

app/src/main/kotlin/org/koitharu/kotatsu/local/data/LocalStorageManager.kt

@@ -21,6 +21,7 @@ import java.io.File
 import javax.inject.Inject
 
 private const val DIR_NAME = "manga"
+private const val NOMEDIA = ".nomedia"
 private const val CACHE_DISK_PERCENTAGE = 0.02
 private const val CACHE_SIZE_MIN: Long = 10 * 1024 * 1024 // 10MB
 private const val CACHE_SIZE_MAX: Long = 250 * 1024 * 1024 // 250MB
@@ -77,18 +78,23 @@ class LocalStorageManager @Inject constructor(
 		preferredDir ?: getFallbackStorageDir()?.takeIf { it.isWriteable() }
 	}
 
+	suspend fun getApplicationStorageDirs(): Set<File> = runInterruptible(Dispatchers.IO) {
+		getAvailableStorageDirs()
+	}
+
 	suspend fun resolveUri(uri: Uri): File? = runInterruptible(Dispatchers.IO) {
 		uri.resolveFile(context)
 	}
 
+	suspend fun setDirIsNoMedia(dir: File) = runInterruptible(Dispatchers.IO) {
+		File(dir, NOMEDIA).createNewFile()
+	}
+
 	fun takePermissions(uri: Uri) {
 		val flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
 		contentResolver.takePersistableUriPermission(uri, flags)
 	}
 
-	@Deprecated("")
-	fun getStorageDisplayName(file: File) = file.getStorageName(context)
-
 	suspend fun getDirectoryDisplayName(dir: File, isFullPath: Boolean): String = runInterruptible(Dispatchers.IO) {
 		val packageName = context.packageName
 		if (dir.absolutePath.contains(packageName)) {
@@ -104,9 +110,6 @@ class LocalStorageManager @Inject constructor(
 	private fun getConfiguredStorageDirs(): MutableSet<File> {
 		val set = getAvailableStorageDirs()
 		set.addAll(settings.userSpecifiedMangaDirectories)
-		settings.mangaStorageDir?.let {
-			set.add(it)
-		}
 		return set
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalListFragment.kt

@@ -33,7 +33,7 @@ class LocalListFragment : MangaListFragment(), FilterOwner {
 
 	override fun onViewBindingCreated(binding: FragmentListBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
-		addMenuProvider(LocalListMenuProvider(this::onEmptyActionClick))
+		addMenuProvider(LocalListMenuProvider(binding.root.context, this::onEmptyActionClick))
 		viewModel.onMangaRemoved.observeEvent(viewLifecycleOwner) { onItemRemoved() }
 	}
 
@@ -45,7 +45,7 @@ class LocalListFragment : MangaListFragment(), FilterOwner {
 		FilterSheetFragment.show(childFragmentManager)
 	}
 
-	override fun onScrolledToEnd() = Unit
+	override fun onScrolledToEnd() = viewModel.loadNextPage()
 
 	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
 		mode.menuInflater.inflate(R.menu.mode_local, menu)

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalListMenuProvider.kt

@@ -1,12 +1,15 @@
 package org.koitharu.kotatsu.local.ui
 
+import android.content.Context
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import androidx.core.view.MenuProvider
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.settings.storage.directories.MangaDirectoriesActivity
 
 class LocalListMenuProvider(
+	private val context: Context,
 	private val onImportClick: Function0<Unit>,
 ) : MenuProvider {
 
@@ -20,6 +23,12 @@ class LocalListMenuProvider(
 				onImportClick()
 				true
 			}
+
+			R.id.action_settings -> {
+				context.startActivity(MangaDirectoriesActivity.newIntent(context))
+				true
+			}
+
 			else -> false
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalListViewModel.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.local.ui
 
+import android.content.SharedPreferences
 import androidx.lifecycle.SavedStateHandle
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
@@ -24,7 +25,7 @@ class LocalListViewModel @Inject constructor(
 	savedStateHandle: SavedStateHandle,
 	mangaRepositoryFactory: MangaRepository.Factory,
 	filter: FilterCoordinator,
-	settings: AppSettings,
+	private val settings: AppSettings,
 	downloadScheduler: DownloadWorker.Scheduler,
 	listExtraProvider: ListExtraProvider,
 	private val deleteLocalMangaUseCase: DeleteLocalMangaUseCase,
@@ -36,7 +37,7 @@ class LocalListViewModel @Inject constructor(
 	settings,
 	listExtraProvider,
 	downloadScheduler,
-) {
+), SharedPreferences.OnSharedPreferenceChangeListener {
 
 	val onMangaRemoved = MutableEventFlow<Unit>()
 
@@ -47,6 +48,18 @@ class LocalListViewModel @Inject constructor(
 					loadList(filter.snapshot(), append = false).join()
 				}
 		}
+		settings.subscribe(this)
+	}
+
+	override fun onCleared() {
+		settings.unsubscribe(this)
+		super.onCleared()
+	}
+
+	override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
+		if (key == AppSettings.KEY_LOCAL_MANGA_DIRS) {
+			onRefresh()
+		}
 	}
 
 	fun delete(ids: Set<Long>) {

app/src/main/kotlin/org/koitharu/kotatsu/settings/DownloadsSettingsFragment.kt

@@ -16,14 +16,13 @@ import org.koitharu.kotatsu.core.util.ext.viewLifecycleScope
 import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.local.data.LocalStorageManager
 import org.koitharu.kotatsu.settings.storage.MangaDirectorySelectDialog
-import java.io.File
+import org.koitharu.kotatsu.settings.storage.directories.MangaDirectoriesActivity
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class DownloadsSettingsFragment :
 	BasePreferenceFragment(R.string.downloads),
-	SharedPreferences.OnSharedPreferenceChangeListener,
+	SharedPreferences.OnSharedPreferenceChangeListener {
-	StorageSelectDialog.OnStorageSelectListener {
 
 	@Inject
 	lateinit var storageManager: LocalStorageManager
@@ -38,6 +37,7 @@ class DownloadsSettingsFragment :
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
 		findPreference<Preference>(AppSettings.KEY_LOCAL_STORAGE)?.bindStorageName()
+		findPreference<Preference>(AppSettings.KEY_LOCAL_MANGA_DIRS)?.bindDirectoriesCount()
 		settings.subscribe(this)
 	}
 
@@ -52,6 +52,10 @@ class DownloadsSettingsFragment :
 				findPreference<Preference>(key)?.bindStorageName()
 			}
 
+			AppSettings.KEY_LOCAL_MANGA_DIRS -> {
+				findPreference<Preference>(key)?.bindDirectoriesCount()
+			}
+
 			AppSettings.KEY_DOWNLOADS_WIFI -> {
 				updateDownloadsConstraints()
 			}
@@ -65,14 +69,15 @@ class DownloadsSettingsFragment :
 				true
 			}
 
+			AppSettings.KEY_LOCAL_MANGA_DIRS -> {
+				startActivity(MangaDirectoriesActivity.newIntent(preference.context))
+				true
+			}
+
 			else -> super.onPreferenceTreeClick(preference)
 		}
 	}
 
-	override fun onStorageSelected(file: File) {
-		settings.mangaStorageDir = file
-	}
-
 	private fun Preference.bindStorageName() {
 		viewLifecycleScope.launch {
 			val storage = storageManager.getDefaultWriteableDir()
@@ -84,6 +89,13 @@ class DownloadsSettingsFragment :
 		}
 	}
 
+	private fun Preference.bindDirectoriesCount() {
+		viewLifecycleScope.launch {
+			val dirs = storageManager.getReadableDirs().size
+			summary = resources.getQuantityString(R.plurals.items, dirs, dirs)
+		}
+	}
+
 	private fun updateDownloadsConstraints() {
 		val preference = findPreference<Preference>(AppSettings.KEY_DOWNLOADS_WIFI)
 		viewLifecycleScope.launch {

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/DirectoryModel.kt

@@ -9,6 +9,7 @@ class DirectoryModel(
 	@StringRes val titleRes: Int,
 	val file: File?,
 	val isChecked: Boolean,
+	val isAvailable: Boolean,
 ) : ListModel {
 
 	override fun equals(other: Any?): Boolean {
@@ -20,7 +21,8 @@ class DirectoryModel(
 		if (title != other.title) return false
 		if (titleRes != other.titleRes) return false
 		if (file != other.file) return false
-		return isChecked == other.isChecked
+		if (isChecked != other.isChecked) return false
+		return isAvailable == other.isAvailable
 	}
 
 	override fun hashCode(): Int {
@@ -28,6 +30,7 @@ class DirectoryModel(
 		result = 31 * result + titleRes
 		result = 31 * result + (file?.hashCode() ?: 0)
 		result = 31 * result + isChecked.hashCode()
+		result = 31 * result + isAvailable.hashCode()
 		return result
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/MangaDirectorySelectDialog.kt

@@ -36,7 +36,10 @@ class MangaDirectorySelectDialog : AlertDialogFragment<DialogDirectorySelectBind
 			ActivityResultContracts.RequestPermission()
 		},
 	) {
-		pickFileTreeLauncher.launch(null)
+		if (it) {
+			viewModel.refresh()
+			pickFileTreeLauncher.launch(null)
+		}
 	}
 
 	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): DialogDirectorySelectBinding {

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/MangaDirectorySelectViewModel.kt

@@ -24,26 +24,7 @@ class MangaDirectorySelectViewModel @Inject constructor(
 	val onPickDirectory = MutableEventFlow<Unit>()
 
 	init {
-		launchJob {
+		refresh()
-			val defaultValue = storageManager.getDefaultWriteableDir()
-			val available = storageManager.getWriteableDirs()
-			items.value = buildList(available.size + 1) {
-				available.mapTo(this) { dir ->
-					DirectoryModel(
-						title = storageManager.getDirectoryDisplayName(dir, isFullPath = false),
-						titleRes = 0,
-						file = dir,
-						isChecked = dir == defaultValue,
-					)
-				}
-				this += DirectoryModel(
-					title = null,
-					titleRes = R.string.pick_custom_directory,
-					file = null,
-					isChecked = false,
-				)
-			}
-		}
 	}
 
 	fun onItemClick(item: DirectoryModel) {
@@ -62,9 +43,36 @@ class MangaDirectorySelectViewModel @Inject constructor(
 			if (!dir.canWrite()) {
 				throw AccessDeniedException(dir)
 			}
-			settings.userSpecifiedMangaDirectories += dir
+			if (dir !in storageManager.getApplicationStorageDirs()) {
-			settings.mangaStorageDir = dir
+				settings.mangaStorageDir = dir
+				storageManager.setDirIsNoMedia(dir)
+			}
 			onDismissDialog.call(Unit)
 		}
 	}
+
+	fun refresh() {
+		launchJob(Dispatchers.Default) {
+			val defaultValue = storageManager.getDefaultWriteableDir()
+			val available = storageManager.getWriteableDirs()
+			items.value = buildList(available.size + 1) {
+				available.mapTo(this) { dir ->
+					DirectoryModel(
+						title = storageManager.getDirectoryDisplayName(dir, isFullPath = false),
+						titleRes = 0,
+						file = dir,
+						isChecked = dir == defaultValue,
+						isAvailable = true,
+					)
+				}
+				this += DirectoryModel(
+					title = null,
+					titleRes = R.string.pick_custom_directory,
+					file = null,
+					isChecked = false,
+					isAvailable = true,
+				)
+			}
+		}
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/directories/DirectoryConfigAD.kt

@@ -0,0 +1,31 @@
+package org.koitharu.kotatsu.settings.storage.directories
+
+import androidx.core.content.ContextCompat
+import androidx.core.view.isVisible
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.util.ext.drawableStart
+import org.koitharu.kotatsu.core.util.ext.textAndVisible
+import org.koitharu.kotatsu.databinding.ItemStorageConfigBinding
+import org.koitharu.kotatsu.settings.storage.DirectoryModel
+
+fun directoryConfigAD(
+	clickListener: OnListItemClickListener<DirectoryModel>,
+) = adapterDelegateViewBinding<DirectoryModel, DirectoryModel, ItemStorageConfigBinding>(
+	{ layoutInflater, parent -> ItemStorageConfigBinding.inflate(layoutInflater, parent, false) },
+) {
+
+	binding.imageViewRemove.setOnClickListener { v -> clickListener.onItemClick(item, v) }
+
+	bind {
+		binding.textViewTitle.text = item.title ?: getString(item.titleRes)
+		binding.textViewSubtitle.textAndVisible = item.file?.absolutePath
+		binding.imageViewRemove.isVisible = item.isChecked
+		binding.textViewTitle.drawableStart = if (item.isAvailable) {
+			null
+		} else {
+			ContextCompat.getDrawable(context, R.drawable.ic_alert_outline)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/directories/MangaDirectoriesActivity.kt

@@ -0,0 +1,93 @@
+package org.koitharu.kotatsu.settings.storage.directories
+
+import android.Manifest
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Bundle
+import android.view.View
+import android.view.ViewGroup
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.viewModels
+import androidx.core.graphics.Insets
+import androidx.core.view.isVisible
+import androidx.core.view.updateLayoutParams
+import androidx.core.view.updatePadding
+import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
+import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
+import org.koitharu.kotatsu.core.ui.BaseActivity
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.util.ext.observe
+import org.koitharu.kotatsu.core.util.ext.observeEvent
+import org.koitharu.kotatsu.databinding.ActivityMangaDirectoriesBinding
+import org.koitharu.kotatsu.settings.storage.DirectoryDiffCallback
+import org.koitharu.kotatsu.settings.storage.DirectoryModel
+import org.koitharu.kotatsu.settings.storage.RequestStorageManagerPermissionContract
+
+@AndroidEntryPoint
+class MangaDirectoriesActivity : BaseActivity<ActivityMangaDirectoriesBinding>(),
+	OnListItemClickListener<DirectoryModel>, View.OnClickListener {
+
+	private val viewModel: MangaDirectoriesViewModel by viewModels()
+	private val pickFileTreeLauncher = registerForActivityResult(ActivityResultContracts.OpenDocumentTree()) {
+		if (it != null) viewModel.onCustomDirectoryPicked(it)
+	}
+	private val permissionRequestLauncher = registerForActivityResult(
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+			RequestStorageManagerPermissionContract()
+		} else {
+			ActivityResultContracts.RequestPermission()
+		},
+	) {
+		if (it) {
+			viewModel.updateList()
+			pickFileTreeLauncher.launch(null)
+		}
+	}
+
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+		setContentView(ActivityMangaDirectoriesBinding.inflate(layoutInflater))
+		supportActionBar?.setDisplayHomeAsUpEnabled(true)
+		val adapter = AsyncListDifferDelegationAdapter(DirectoryDiffCallback(), directoryConfigAD(this))
+		viewBinding.recyclerView.adapter = adapter
+		viewBinding.fabAdd.setOnClickListener(this)
+		viewModel.items.observe(this) { adapter.items = it }
+		viewModel.isLoading.observe(this) { viewBinding.progressBar.isVisible = it }
+		viewModel.onError.observeEvent(
+			this,
+			SnackbarErrorObserver(viewBinding.root, null, exceptionResolver) {
+				if (it) viewModel.updateList()
+			},
+		)
+	}
+
+	override fun onItemClick(item: DirectoryModel, view: View) {
+		viewModel.onRemoveClick(item.file ?: return)
+	}
+
+	override fun onClick(v: View?) {
+		permissionRequestLauncher.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+	}
+
+	override fun onWindowInsetsChanged(insets: Insets) {
+		viewBinding.fabAdd.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+			rightMargin = topMargin + insets.right
+			leftMargin = topMargin + insets.left
+			bottomMargin = topMargin + insets.bottom
+		}
+		viewBinding.root.updatePadding(
+			left = insets.left,
+			right = insets.right,
+		)
+		viewBinding.recyclerView.updatePadding(
+			bottom = insets.bottom,
+		)
+	}
+
+	companion object {
+
+		fun newIntent(context: Context) = Intent(context, MangaDirectoriesActivity::class.java)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/directories/MangaDirectoriesViewModel.kt

@@ -0,0 +1,85 @@
+package org.koitharu.kotatsu.settings.storage.directories
+
+import android.net.Uri
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.cancelAndJoin
+import kotlinx.coroutines.flow.MutableStateFlow
+import okio.FileNotFoundException
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.ui.BaseViewModel
+import org.koitharu.kotatsu.local.data.LocalStorageManager
+import org.koitharu.kotatsu.settings.storage.DirectoryModel
+import java.io.File
+import javax.inject.Inject
+
+@HiltViewModel
+class MangaDirectoriesViewModel @Inject constructor(
+	private val storageManager: LocalStorageManager,
+	private val settings: AppSettings,
+) : BaseViewModel() {
+
+	val items = MutableStateFlow(emptyList<DirectoryModel>())
+	private var loadingJob: Job? = null
+
+	init {
+		loadList()
+	}
+
+	fun updateList() {
+		loadList()
+	}
+
+	fun onCustomDirectoryPicked(uri: Uri) {
+		launchLoadingJob(Dispatchers.Default) {
+			loadingJob?.cancelAndJoin()
+			storageManager.takePermissions(uri)
+			val dir = storageManager.resolveUri(uri) ?: throw FileNotFoundException()
+			if (!dir.canWrite()) {
+				throw AccessDeniedException(dir)
+			}
+			if (dir !in storageManager.getApplicationStorageDirs()) {
+				settings.userSpecifiedMangaDirectories += dir
+				loadList()
+			}
+		}
+	}
+
+	fun onRemoveClick(directory: File) {
+		settings.userSpecifiedMangaDirectories -= directory
+		if (settings.mangaStorageDir == directory) {
+			settings.mangaStorageDir = null
+		}
+		loadList()
+	}
+
+	private fun loadList() {
+		val prevJob = loadingJob
+		loadingJob = launchJob(Dispatchers.Default) {
+			prevJob?.cancelAndJoin()
+			val applicationDirs = storageManager.getApplicationStorageDirs()
+			val customDirs = settings.userSpecifiedMangaDirectories
+			items.value = buildList(applicationDirs.size + customDirs.size) {
+				applicationDirs.mapTo(this) { dir ->
+					DirectoryModel(
+						title = storageManager.getDirectoryDisplayName(dir, isFullPath = false),
+						titleRes = 0,
+						file = dir,
+						isChecked = false,
+						isAvailable = dir.canRead() && dir.canWrite(),
+					)
+				}
+				customDirs.mapTo(this) { dir ->
+					DirectoryModel(
+						title = storageManager.getDirectoryDisplayName(dir, isFullPath = false),
+						titleRes = 0,
+						file = dir,
+						isChecked = true,
+						isAvailable = dir.canRead() && dir.canWrite(),
+					)
+				}
+			}
+		}
+	}
+}

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

@@ -58,7 +58,6 @@
 		android:layout_height="wrap_content"
 		android:layout_margin="16dp"
 		android:contentDescription="@string/add_new_category"
-		android:src="@drawable/ic_add"
 		android:text="@string/create_category"
 		app:fabSize="normal"
 		app:icon="@drawable/ic_add"

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

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<com.google.android.material.appbar.AppBarLayout
+		android:id="@+id/appbar"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:fitsSystemWindows="true">
+
+		<com.google.android.material.appbar.MaterialToolbar
+			android:id="@id/toolbar"
+			android:layout_width="match_parent"
+			android:layout_height="?attr/actionBarSize"
+			app:layout_scrollFlags="noScroll">
+
+		</com.google.android.material.appbar.MaterialToolbar>
+
+	</com.google.android.material.appbar.AppBarLayout>
+
+	<androidx.recyclerview.widget.RecyclerView
+		android:id="@+id/recyclerView"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:clipToPadding="false"
+		android:orientation="vertical"
+		android:scrollbars="vertical"
+		app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+		app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior" />
+
+	<com.google.android.material.progressindicator.LinearProgressIndicator
+		android:id="@+id/progressBar"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:indeterminate="true"
+		android:visibility="gone"
+		app:layout_anchor="@id/appbar"
+		app:layout_anchorGravity="bottom" />
+
+	<com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
+		android:id="@+id/fab_add"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_margin="16dp"
+		android:contentDescription="@string/pick_custom_directory"
+		android:text="@string/add"
+		app:fabSize="normal"
+		app:icon="@drawable/ic_add"
+		app:layout_anchor="@id/recyclerView"
+		app:layout_anchorGravity="bottom|end"
+		app:layout_behavior="org.koitharu.kotatsu.core.ui.util.ShrinkOnScrollBehavior"
+		app:layout_dodgeInsetEdges="bottom" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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="wrap_content"
+	android:background="?selectableItemBackground"
+	android:gravity="center_vertical"
+	android:minHeight="?listPreferredItemHeight"
+	android:orientation="horizontal"
+	android:paddingVertical="12dp"
+	android:paddingStart="?listPreferredItemPaddingStart">
+
+	<LinearLayout
+		android:layout_width="0dp"
+		android:layout_height="wrap_content"
+		android:layout_weight="1"
+		android:orientation="vertical">
+
+		<TextView
+			android:id="@+id/textView_title"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:drawablePadding="6dp"
+			android:ellipsize="end"
+			android:gravity="center_vertical"
+			android:singleLine="true"
+			android:textAppearance="?attr/textAppearanceTitleSmall"
+			app:drawableTint="@color/warning"
+			tools:drawableStart="@drawable/ic_alert_outline"
+			tools:text="@tools:sample/lorem[3]" />
+
+		<TextView
+			android:id="@+id/textView_subtitle"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:layout_marginTop="6dp"
+			android:textAppearance="?attr/textAppearanceBodyMedium"
+			tools:text="@tools:sample/lorem[20]" />
+
+	</LinearLayout>
+
+	<ImageView
+		android:id="@+id/imageView_remove"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:background="?selectableItemBackgroundBorderless"
+		android:contentDescription="@string/remove"
+		android:padding="?listPreferredItemPaddingEnd"
+		app:srcCompat="@drawable/ic_delete" />
+
+</LinearLayout>

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

@@ -9,4 +9,10 @@
 		android:title="@string/_import"
 		app:showAsAction="never" />
 
+	<item
+		android:id="@+id/action_settings"
+		android:orderInCategory="100"
+		android:title="@string/settings"
+		app:showAsAction="never" />
+
 </menu>

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

@@ -448,4 +448,5 @@
 	<string name="custom_directory">Custom directory</string>
 	<string name="pick_custom_directory">Pick custom directory</string>
 	<string name="no_access_to_file">You have no access to this file or directory</string>
+	<string name="local_manga_directories">Local manga directories</string>
 </resources>

app/src/main/res/xml/pref_downloads.xml

@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen
-	xmlns:android="http://schemas.android.com/apk/res/android">
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto">
+
+	<Preference
+		android:key="local_manga_dirs"
+		android:persistent="false"
+		android:title="@string/local_manga_directories" />
 
 	<Preference
 		android:key="local_storage"
@@ -11,7 +17,8 @@
 		android:defaultValue="false"
 		android:key="downloads_wifi"
 		android:summary="@string/downloads_wifi_only_summary"
-		android:title="@string/downloads_wifi_only" />
+		android:title="@string/downloads_wifi_only"
+		app:allowDividerAbove="true" />
 
 	<SwitchPreferenceCompat
 		android:defaultValue="false"