Fix crash in ScrobblingInfoSheet

Currently translated at 100.0% (447 of 447 strings)

Co-authored-by: plum7x <plumgift@hotmail.com>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/zh_Hant/
Translation: Kotatsu/Strings

.github/ISSUE_TEMPLATE/report_bug.yml

@@ -61,4 +61,6 @@ body:
           label: Acknowledgements
           options:
               - label: I have searched the existing issues and this is a new ticket, **NOT** a duplicate or related to another open issue.
-                required: true
+                required: true
+              - label: If this is an issue with a parser, I should be opening an issue in the [parsers repository](https://github.com/KotatsuApp/kotatsu-parsers/issues/new/choose).
+                required: true

.idea/.gitignore

@@ -1,3 +1,4 @@
 # Default ignored files
 /shelf/
 /workspace.xml
+/migrations.xml

.idea/gradle.xml

@@ -4,8 +4,6 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="testRunner" value="GRADLE" />
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleJvm" value="jbr-17" />
         <option name="modules">
@@ -14,6 +12,7 @@
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
+        <option name="resolveExternalAnnotations" value="false" />
       </GradleProjectSettings>
     </option>
   </component>

app/build.gradle

@@ -14,9 +14,11 @@ android {
 	defaultConfig {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
+		//TODO: update as soon as sources becomes available
+		//noinspection OldTargetApi
 		targetSdkVersion 33
-		versionCode 555
-		versionName '5.2.3'
+		versionCode 566
+		versionName '5.3.9'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -79,12 +81,12 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:86a82970fc') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:42cc0430f8') {
 		exclude group: 'org.json', module: 'json'
 	}
 
 	implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.8.22'
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.1'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.2'
 
 	implementation 'androidx.appcompat:appcompat:1.6.1'
 	implementation 'androidx.core:core-ktx:1.10.1'
@@ -107,53 +109,54 @@ dependencies {
 	// TODO https://issuetracker.google.com/issues/254846063
 	implementation 'androidx.work:work-runtime-ktx:2.8.1'
 	//noinspection GradleDependency
-	implementation('com.google.guava:guava:32.0.0-android') {
+	implementation('com.google.guava:guava:32.0.1-android') {
 		exclude group: 'com.google.guava', module: 'failureaccess'
 		exclude group: 'org.checkerframework', module: 'checker-qual'
 		exclude group: 'com.google.j2objc', module: 'j2objc-annotations'
 	}
 
-	implementation 'androidx.room:room-runtime:2.5.1'
-	implementation 'androidx.room:room-ktx:2.5.1'
-	kapt 'androidx.room:room-compiler:2.5.1'
+	implementation 'androidx.room:room-runtime:2.5.2'
+	implementation 'androidx.room:room-ktx:2.5.2'
+	//noinspection KaptUsageInsteadOfKsp
+	kapt 'androidx.room:room-compiler:2.5.2'
 
 	implementation 'com.squareup.okhttp3:okhttp:4.11.0'
 	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.11.0'
-	implementation 'com.squareup.okio:okio:3.3.0'
+	implementation 'com.squareup.okio:okio:3.4.0'
 
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
 
-	implementation 'com.google.dagger:hilt-android:2.46.1'
-	kapt 'com.google.dagger:hilt-compiler:2.46.1'
+	implementation 'com.google.dagger:hilt-android:2.47'
+	kapt 'com.google.dagger:hilt-compiler:2.47'
 	implementation 'androidx.hilt:hilt-work:1.0.0'
 	kapt 'androidx.hilt:hilt-compiler:1.0.0'
 
 	implementation 'io.coil-kt:coil-base:2.4.0'
 	implementation 'io.coil-kt:coil-svg:2.4.0'
-	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:1b19231b2f'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:9b1d20be67'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
 
-	implementation 'ch.acra:acra-http:5.9.7'
-	implementation 'ch.acra:acra-dialog:5.9.7'
+	implementation 'ch.acra:acra-http:5.11.0'
+	implementation 'ch.acra:acra-dialog:5.11.0'
 
-	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.11'
+	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.12'
 
 	testImplementation 'junit:junit:4.13.2'
-	testImplementation 'org.json:json:20230227'
-	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.1'
+	testImplementation 'org.json:json:20230618'
+	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.2'
 
 	androidTestImplementation 'androidx.test:runner:1.5.2'
 	androidTestImplementation 'androidx.test:rules:1.5.0'
 	androidTestImplementation 'androidx.test:core-ktx:1.5.0'
 	androidTestImplementation 'androidx.test.ext:junit-ktx:1.1.5'
 
-	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.1'
+	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.2'
 
-	androidTestImplementation 'androidx.room:room-testing:2.5.1'
+	androidTestImplementation 'androidx.room:room-testing:2.5.2'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.15.0'
 
-	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.46.1'
-	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.46.1'
+	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.47'
+	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.47'
 }

app/src/debug/java/org/koitharu/kotatsu/core/parser/DummyParser.kt

@@ -17,7 +17,7 @@ import java.util.EnumSet
 class DummyParser(context: MangaLoaderContext) : MangaParser(context, MangaSource.DUMMY) {
 
 	override val configKeyDomain: ConfigKey.Domain
-		get() = ConfigKey.Domain()
+		get() = ConfigKey.Domain("")
 
 	override val sortOrders: Set<SortOrder>
 		get() = EnumSet.allOf(SortOrder::class.java)

app/src/main/AndroidManifest.xml

@@ -18,6 +18,22 @@
 	<uses-permission android:name="android.permission.READ_SYNC_SETTINGS" />
 	<uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
 	<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+	<uses-permission
+		android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+		android:maxSdkVersion="29" />
+	<uses-permission
+		android:name="android.permission.MANAGE_EXTERNAL_STORAGE"
+		tools:ignore="ScopedStorage" />
+
+	<queries>
+		<intent>
+			<action android:name="android.intent.action.PROCESS_TEXT" />
+			<data android:mimeType="text/plain" />
+		</intent>
+		<intent>
+			<action android:name="android.speech.action.RECOGNIZE_SPEECH" />
+		</intent>
+	</queries>
 
 	<application
 		android:name="org.koitharu.kotatsu.KotatsuApp"
@@ -32,6 +48,7 @@
 		android:largeHeap="true"
 		android:localeConfig="@xml/locales"
 		android:networkSecurityConfig="@xml/network_security_config"
+		android:requestLegacyExternalStorage="true"
 		android:roundIcon="@mipmap/ic_launcher_round"
 		android:supportsRtl="true"
 		android:theme="@style/Theme.Kotatsu"
@@ -98,6 +115,9 @@
 				<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/bookmarks/domain/Bookmark.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.bookmarks.domain
 
+import org.koitharu.kotatsu.local.data.ImageFileFilter
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import java.util.Date
@@ -26,7 +27,8 @@ class Bookmark(
 	)
 
 	private fun isImageUrlDirect(): Boolean {
-		return imageUrl.substringAfterLast('.').length in 2..4
+		val extension = imageUrl.substringAfterLast('.')
+		return extension.isNotEmpty() && ImageFileFilter().isExtensionValid(extension)
 	}
 
 	override fun equals(other: Any?): Boolean {

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/adapter/BookmarkListAD.kt

@@ -5,15 +5,19 @@ import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
+import org.koitharu.kotatsu.core.ui.drawable.TextDrawable
 import org.koitharu.kotatsu.core.ui.image.CoverSizeResolver
 import org.koitharu.kotatsu.core.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.ext.decodeRegion
 import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
+import org.koitharu.kotatsu.core.util.ext.getThemeResId
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.source
 import org.koitharu.kotatsu.databinding.ItemBookmarkBinding
+import org.koitharu.kotatsu.parsers.util.format
+import com.google.android.material.R as materialR
 
 fun bookmarkListAD(
 	coil: ImageLoader,

app/src/main/kotlin/org/koitharu/kotatsu/browser/BrowserActivity.kt

@@ -8,6 +8,7 @@ import android.net.Uri
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
+import android.webkit.CookieManager
 import androidx.core.graphics.Insets
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
@@ -16,6 +17,7 @@ import org.koitharu.kotatsu.core.network.CommonHeadersInterceptor
 import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.util.ext.catchingWebViewUnavailability
 import org.koitharu.kotatsu.databinding.ActivityBrowserBinding
+import org.koitharu.kotatsu.parsers.network.UserAgents
 import com.google.android.material.R as materialR
 
 @SuppressLint("SetJavaScriptEnabled")
@@ -34,8 +36,9 @@ class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback
 		}
 		with(viewBinding.webView.settings) {
 			javaScriptEnabled = true
-			userAgentString = CommonHeadersInterceptor.userAgentChrome
+			userAgentString = UserAgents.CHROME_MOBILE
 		}
+		CookieManager.getInstance().setAcceptThirdPartyCookies(viewBinding.webView, true)
 		viewBinding.webView.webViewClient = BrowserClient(this)
 		viewBinding.webView.webChromeClient = ProgressChromeClient(viewBinding.progressBar)
 		onBackPressedCallback = WebViewBackPressedCallback(viewBinding.webView)

app/src/main/kotlin/org/koitharu/kotatsu/browser/cloudflare/CloudFlareActivity.kt

@@ -24,6 +24,7 @@ import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.util.TaggedActivityResult
 import org.koitharu.kotatsu.core.util.ext.catchingWebViewUnavailability
 import org.koitharu.kotatsu.databinding.ActivityBrowserBinding
+import org.koitharu.kotatsu.parsers.network.UserAgents
 import javax.inject.Inject
 import com.google.android.material.R as materialR
 
@@ -49,10 +50,9 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 		val url = intent?.dataString.orEmpty()
 		with(viewBinding.webView.settings) {
 			javaScriptEnabled = true
-			cacheMode = WebSettings.LOAD_DEFAULT
 			domStorageEnabled = true
 			databaseEnabled = true
-			userAgentString = intent?.getStringExtra(ARG_UA) ?: CommonHeadersInterceptor.userAgentFallback
+			userAgentString = intent?.getStringExtra(ARG_UA) ?: UserAgents.CHROME_MOBILE
 		}
 		viewBinding.webView.webViewClient = CloudFlareClient(cookieJar, this, url)
 		onBackPressedCallback = WebViewBackPressedCallback(viewBinding.webView).also {

app/src/main/kotlin/org/koitharu/kotatsu/core/exceptions/resolve/ErrorObserver.kt

@@ -33,11 +33,21 @@ abstract class ErrorObserver(
 		return resolver != null && ExceptionResolver.canResolve(error)
 	}
 
+	private fun isAlive(): Boolean {
+		return when {
+			fragment != null -> fragment.view != null
+			activity != null -> !activity.isDestroyed
+			else -> true
+		}
+	}
+
 	protected fun resolve(error: Throwable) {
-		lifecycleScope.launch {
-			val isResolved = resolver?.resolve(error) ?: false
-			if (isActive) {
-				onResolved?.accept(isResolved)
+		if (isAlive()) {
+			lifecycleScope.launch {
+				val isResolved = resolver?.resolve(error) ?: false
+				if (isActive) {
+					onResolved?.accept(isResolved)
+				}
 			}
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/core/exceptions/resolve/ToastErrorObserver.kt

@@ -0,0 +1,17 @@
+package org.koitharu.kotatsu.core.exceptions.resolve
+
+import android.view.View
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
+
+class ToastErrorObserver(
+	host: View,
+	fragment: Fragment?,
+) : ErrorObserver(host, fragment, null, null) {
+
+	override suspend fun emit(value: Throwable) {
+		val toast = Toast.makeText(host.context, value.getDisplayMessage(host.context.resources), Toast.LENGTH_SHORT)
+		toast.show()
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/model/Manga.kt

@@ -8,10 +8,14 @@ import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.mapToSet
 
+@JvmName("mangaIds")
 fun Collection<Manga>.ids() = mapToSet { it.id }
 
 fun Collection<Manga>.distinctById() = distinctBy { it.id }
 
+@JvmName("chaptersIds")
+fun Collection<MangaChapter>.ids() = mapToSet { it.id }
+
 fun Collection<ChapterListItem>.countChaptersByBranch(): Int {
 	if (size <= 1) {
 		return size

app/src/main/kotlin/org/koitharu/kotatsu/core/network/CommonHeadersInterceptor.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.core.network
 
-import android.os.Build
 import android.util.Log
 import dagger.Lazy
 import okhttp3.Headers
@@ -10,11 +9,11 @@ import okhttp3.Response
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
-import org.koitharu.kotatsu.parsers.model.MangaSource
-import org.koitharu.kotatsu.parsers.util.mergeWith
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.network.UserAgents
+import org.koitharu.kotatsu.parsers.util.mergeWith
 import java.net.IDN
-import java.util.Locale
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -39,7 +38,7 @@ class CommonHeadersInterceptor @Inject constructor(
 			headersBuilder.mergeWith(it, replaceExisting = false)
 		}
 		if (headersBuilder[CommonHeaders.USER_AGENT] == null) {
-			headersBuilder[CommonHeaders.USER_AGENT] = userAgentFallback
+			headersBuilder[CommonHeaders.USER_AGENT] = UserAgents.CHROME_MOBILE
 		}
 		if (headersBuilder[CommonHeaders.REFERER] == null && repository != null) {
 			val idn = IDN.toASCII(repository.domain)
@@ -62,26 +61,4 @@ class CommonHeadersInterceptor @Inject constructor(
 
 		override fun request(): Request = request
 	}
-
-	companion object {
-
-		val userAgentFallback
-			get() = "Kotatsu/%s (Android %s; %s; %s %s; %s)".format(
-				BuildConfig.VERSION_NAME,
-				Build.VERSION.RELEASE,
-				Build.MODEL,
-				Build.BRAND,
-				Build.DEVICE,
-				Locale.getDefault().language,
-			)
-
-		val userAgentChrome
-			get() = (
-				"Mozilla/5.0 (Linux; Android %s; %s) AppleWebKit/537.36 (KHTML, like Gecko) " +
-					"Chrome/100.0.4896.127 Mobile Safari/537.36"
-				).format(
-					Build.VERSION.RELEASE,
-					Build.MODEL,
-				)
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/network/cookies/AndroidCookieJar.kt

@@ -4,6 +4,7 @@ import android.webkit.CookieManager
 import androidx.annotation.WorkerThread
 import okhttp3.Cookie
 import okhttp3.HttpUrl
+import org.koitharu.kotatsu.core.util.ext.newBuilder
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
@@ -30,6 +31,21 @@ class AndroidCookieJar : MutableCookieJar {
 		}
 	}
 
+	override fun removeCookies(url: HttpUrl) {
+		val cookies = loadForRequest(url)
+		if (cookies.isEmpty()) {
+			return
+		}
+		val urlString = url.toString()
+		for (c in cookies) {
+			val nc = c.newBuilder()
+				.expiresAt(System.currentTimeMillis() - 100000)
+				.build()
+			cookieManager.setCookie(urlString, nc.toString())
+		}
+		check(loadForRequest(url).isEmpty())
+	}
+
 	override suspend fun clear() = suspendCoroutine<Boolean> { continuation ->
 		cookieManager.removeAllCookies(continuation::resume)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/core/network/cookies/MutableCookieJar.kt

@@ -13,5 +13,8 @@ interface MutableCookieJar : CookieJar {
 	@WorkerThread
 	override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>)
 
+	@WorkerThread
+	fun removeCookies(url: HttpUrl)
+
 	suspend fun clear(): Boolean
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/network/cookies/PreferencesCookieJar.kt

@@ -21,6 +21,7 @@ class PreferencesCookieJar(
 	private var isLoaded = false
 
 	@WorkerThread
+	@Synchronized
 	override fun loadForRequest(url: HttpUrl): List<Cookie> {
 		loadPersistent()
 		val expired = HashSet<String>()
@@ -40,6 +41,7 @@ class PreferencesCookieJar(
 	}
 
 	@WorkerThread
+	@Synchronized
 	override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>) {
 		val wrapped = cookies.map { CookieWrapper(it) }
 		prefs.edit(commit = true) {
@@ -53,6 +55,22 @@ class PreferencesCookieJar(
 		}
 	}
 
+	@Synchronized
+	@WorkerThread
+	override fun removeCookies(url: HttpUrl) {
+		loadPersistent()
+		val toRemove = HashSet<String>()
+		for ((key, cookie) in cache) {
+			if (cookie.isExpired() || cookie.cookie.matches(url)) {
+				toRemove += key
+			}
+		}
+		if (toRemove.isNotEmpty()) {
+			cache.removeAll(toRemove)
+			removePersistent(toRemove)
+		}
+	}
+
 	override suspend fun clear(): Boolean {
 		cache.clear()
 		withContext(Dispatchers.IO) {

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/MangaParser.kt

@@ -9,6 +9,6 @@ fun MangaParser(source: MangaSource, loaderContext: MangaLoaderContext): MangaPa
 	return if (source == MangaSource.DUMMY) {
 		DummyParser(loaderContext)
 	} else {
-		source.newParser(loaderContext)
+		loaderContext.newParserInstance(source)
 	}
-}
+}

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

@@ -21,9 +21,11 @@ import org.koitharu.kotatsu.core.util.ext.filterToSet
 import org.koitharu.kotatsu.core.util.ext.getEnumValue
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.putEnumValue
+import org.koitharu.kotatsu.core.util.ext.takeIfReadable
 import org.koitharu.kotatsu.core.util.ext.toUriOrNull
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.shelf.domain.model.ShelfSection
 import java.io.File
@@ -234,14 +236,28 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			if (key == null) ScreenshotsPolicy.ALLOW else ScreenshotsPolicy.valueOf(key)
 		}.getOrDefault(ScreenshotsPolicy.ALLOW)
 
+	var userSpecifiedMangaDirectories: Set<File>
+		get() {
+			val set = prefs.getStringSet(KEY_LOCAL_MANGA_DIRS, emptySet()).orEmpty()
+			return set.mapNotNullToSet { File(it).takeIfReadable() }
+		}
+		set(value) {
+			val set = value.mapToSet { it.absolutePath }
+			prefs.edit { putStringSet(KEY_LOCAL_MANGA_DIRS, set) }
+		}
+
 	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)
 			}
 		}
@@ -461,6 +477,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_PROXY_LOGIN = "proxy_login"
 		const val KEY_PROXY_PASSWORD = "proxy_password"
 		const val KEY_IMAGES_PROXY = "images_proxy"
+		const val KEY_LOCAL_MANGA_DIRS = "local_manga_dirs"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/BaseActivity.kt

@@ -14,6 +14,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.ActionBarContextView
 import androidx.appcompat.widget.Toolbar
+import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.ColorUtils
 import androidx.core.view.ViewCompat
@@ -103,8 +104,7 @@ abstract class BaseActivity<B : ViewBinding> :
 
 	override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
 		if (BuildConfig.DEBUG && keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
-			// ActivityCompat.recreate(this)
-			error("Test")
+			ActivityCompat.recreate(this)
 			return true
 		}
 		return super.onKeyDown(keyCode, event)

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/BaseViewModel.kt

@@ -34,7 +34,7 @@ abstract class BaseViewModel : ViewModel() {
 
 	val isLoading: StateFlow<Boolean>
 		get() = loadingCounter.map { it > 0 }
-			.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), false)
+			.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), loadingCounter.value > 0)
 
 	protected fun launchJob(
 		context: CoroutineContext = EmptyCoroutineContext,

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/dialog/StorageSelectDialog.kt

@@ -1,101 +0,0 @@
-package org.koitharu.kotatsu.core.ui.dialog
-
-import android.content.Context
-import android.content.DialogInterface
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.BaseAdapter
-import androidx.annotation.StringRes
-import androidx.appcompat.app.AlertDialog
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import kotlinx.coroutines.runBlocking
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.databinding.ItemStorageBinding
-import org.koitharu.kotatsu.local.data.LocalStorageManager
-import java.io.File
-
-class StorageSelectDialog private constructor(private val delegate: AlertDialog) :
-	DialogInterface by delegate {
-
-	fun show() = delegate.show()
-
-	class Builder(context: Context, storageManager: LocalStorageManager, listener: OnStorageSelectListener) {
-
-		private val adapter = VolumesAdapter(storageManager)
-		private val delegate = MaterialAlertDialogBuilder(context)
-
-		init {
-			if (adapter.isEmpty) {
-				delegate.setMessage(R.string.cannot_find_available_storage)
-			} else {
-				val defaultValue = runBlocking {
-					storageManager.getDefaultWriteableDir()
-				}
-				adapter.selectedItemPosition = adapter.volumes.indexOfFirst {
-					it.first.canonicalPath == defaultValue?.canonicalPath
-				}
-				delegate.setAdapter(adapter) { d, i ->
-					listener.onStorageSelected(adapter.getItem(i).first)
-					d.dismiss()
-				}
-			}
-		}
-
-		fun setTitle(@StringRes titleResId: Int): Builder {
-			delegate.setTitle(titleResId)
-			return this
-		}
-
-		fun setTitle(title: CharSequence): Builder {
-			delegate.setTitle(title)
-			return this
-		}
-
-		fun setNegativeButton(@StringRes textId: Int): Builder {
-			delegate.setNegativeButton(textId, null)
-			return this
-		}
-
-		fun create() = StorageSelectDialog(delegate.create())
-	}
-
-	private class VolumesAdapter(storageManager: LocalStorageManager) : BaseAdapter() {
-
-		var selectedItemPosition: Int = -1
-		val volumes = getAvailableVolumes(storageManager)
-
-		override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
-			val view = convertView ?: LayoutInflater.from(parent.context).inflate(R.layout.item_storage, parent, false)
-			val binding = (view.tag as? ItemStorageBinding) ?: ItemStorageBinding.bind(view).also {
-				view.tag = it
-			}
-			val item = volumes[position]
-			binding.imageViewIndicator.isChecked = selectedItemPosition == position
-			binding.textViewTitle.text = item.second
-			binding.textViewSubtitle.text = item.first.path
-			return view
-		}
-
-		override fun getItem(position: Int): Pair<File, String> = volumes[position]
-
-		override fun getItemId(position: Int) = position.toLong()
-
-		override fun getCount() = volumes.size
-
-		override fun hasStableIds() = true
-
-		private fun getAvailableVolumes(storageManager: LocalStorageManager): List<Pair<File, String>> {
-			return runBlocking {
-				storageManager.getWriteableDirs().map {
-					it to storageManager.getStorageDisplayName(it)
-				}
-			}
-		}
-	}
-
-	fun interface OnStorageSelectListener {
-
-		fun onStorageSelected(file: File)
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/drawable/TextDrawable.kt

@@ -0,0 +1,100 @@
+package org.koitharu.kotatsu.core.ui.drawable
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.ColorFilter
+import android.graphics.Paint
+import android.graphics.PixelFormat
+import android.graphics.Typeface
+import android.graphics.drawable.Drawable
+import android.os.Build
+import android.text.Layout
+import android.text.StaticLayout
+import android.text.TextPaint
+import androidx.annotation.ColorInt
+import androidx.annotation.Px
+import androidx.annotation.StyleRes
+import androidx.core.graphics.withTranslation
+import com.google.android.material.resources.TextAppearance
+import com.google.android.material.resources.TextAppearanceFontCallback
+import org.koitharu.kotatsu.core.util.ext.getThemeColor
+
+class TextDrawable(
+	val text: CharSequence,
+) : Drawable() {
+
+	private val paint = TextPaint(Paint.ANTI_ALIAS_FLAG)
+	private var cachedLayout: StaticLayout? = null
+
+	@SuppressLint("RestrictedApi")
+	constructor(context: Context, text: CharSequence, @StyleRes textAppearanceId: Int) : this(text) {
+		val ta = TextAppearance(context, textAppearanceId)
+		paint.color = ta.textColor?.defaultColor ?: context.getThemeColor(android.R.attr.textColorPrimary, Color.BLACK)
+		paint.typeface = ta.fallbackFont
+		ta.getFontAsync(
+			context, paint,
+			object : TextAppearanceFontCallback() {
+				override fun onFontRetrieved(typeface: Typeface?, fontResolvedSynchronously: Boolean) = Unit
+				override fun onFontRetrievalFailed(reason: Int) = Unit
+			},
+		)
+		paint.letterSpacing = ta.letterSpacing
+	}
+
+	var alignment = Layout.Alignment.ALIGN_NORMAL
+
+	var lineSpacingMultiplier = 1f
+
+	@Px
+	var lineSpacingExtra = 0f
+
+	@get:ColorInt
+	var textColor: Int
+		get() = paint.color
+		set(@ColorInt value) {
+			paint.color = value
+		}
+
+	override fun draw(canvas: Canvas) {
+		val b = bounds
+		if (b.isEmpty) {
+			return
+		}
+		canvas.withTranslation(x = b.left.toFloat(), y = b.top.toFloat()) {
+			obtainLayout().draw(canvas)
+		}
+	}
+
+	override fun setAlpha(alpha: Int) {
+		paint.alpha = alpha
+	}
+
+	override fun setColorFilter(colorFilter: ColorFilter?) {
+		paint.setColorFilter(colorFilter)
+	}
+
+	@Suppress("DeprecatedCallableAddReplaceWith")
+	@Deprecated("Deprecated in Java")
+	override fun getOpacity(): Int = PixelFormat.TRANSLUCENT
+
+	private fun obtainLayout(): StaticLayout {
+		val width = bounds.width()
+		cachedLayout?.let {
+			if (it.width == width) {
+				return it
+			}
+		}
+		return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+			StaticLayout.Builder.obtain(text, 0, text.length, paint, width)
+				.setAlignment(alignment)
+				.setLineSpacing(lineSpacingExtra, lineSpacingMultiplier)
+				.setIncludePad(true)
+				.build()
+		} else {
+			@Suppress("DEPRECATION")
+			StaticLayout(text, paint, width, alignment, lineSpacingMultiplier, lineSpacingExtra, true)
+		}.also { cachedLayout = it }
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/util/ReversibleHandle.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.ui.util
 
+import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.NonCancellable
 import kotlinx.coroutines.launch
@@ -13,7 +14,7 @@ fun interface ReversibleHandle {
 	suspend fun reverse()
 }
 
-fun ReversibleHandle.reverseAsync() = processLifecycleScope.launch(Dispatchers.Default) {
+fun ReversibleHandle.reverseAsync() = processLifecycleScope.launch(Dispatchers.Default, CoroutineStart.ATOMIC) {
 	runCatchingCancellable {
 		withContext(NonCancellable) {
 			reverse()

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/widgets/TwoLinesItemView.kt

@@ -24,6 +24,7 @@ import com.google.android.material.shape.MaterialShapeDrawable
 import com.google.android.material.shape.ShapeAppearanceModel
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.resolveDp
+import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ViewTwoLinesItemBinding
 
 @SuppressLint("RestrictedApi")
@@ -35,6 +36,18 @@ class TwoLinesItemView @JvmOverloads constructor(
 
 	private val binding = ViewTwoLinesItemBinding.inflate(LayoutInflater.from(context), this)
 
+	var title: CharSequence?
+		get() = binding.title.text
+		set(value) {
+			binding.title.text = value
+		}
+
+	var subtitle: CharSequence?
+		get() = binding.subtitle.textAndVisible
+		set(value) {
+			binding.subtitle.textAndVisible = value
+		}
+
 	init {
 		var textColors: ColorStateList? = null
 		context.withStyledAttributes(
@@ -76,8 +89,7 @@ class TwoLinesItemView @JvmOverloads constructor(
 	}
 
 	fun setIconResource(@DrawableRes resId: Int) {
-		val icon = if (resId != 0) ContextCompat.getDrawable(context, resId) else null
-		binding.icon.setImageDrawable(icon)
+		binding.icon.setImageResource(resId)
 	}
 
 	private fun createShapeDrawable(ta: TypedArray): InsetDrawable {

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

@@ -1,6 +0,0 @@
-package org.koitharu.kotatsu.core.util
-
-fun interface BufferedObserver<T> {
-
-	fun onChanged(t: T, previous: T?)
-}

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

@@ -0,0 +1,90 @@
+package org.koitharu.kotatsu.core.util.ext
+
+import android.annotation.TargetApi
+import android.content.Context
+import android.net.Uri
+import android.os.Build
+import android.os.storage.StorageManager
+import android.provider.DocumentsContract
+import org.koitharu.kotatsu.parsers.util.removeSuffix
+import java.io.File
+import java.lang.reflect.Array as ArrayReflect
+
+private const val PRIMARY_VOLUME_NAME = "primary"
+
+fun Uri.resolveFile(context: Context): File? {
+	val volumeId = getVolumeIdFromTreeUri(this) ?: return null
+	val volumePath = getVolumePath(volumeId, context)?.removeSuffix(File.separatorChar) ?: return null
+	val documentPath = getDocumentPathFromTreeUri(this)?.removeSuffix(File.separatorChar) ?: return null
+
+	return File(
+		if (documentPath.isNotEmpty()) {
+			if (documentPath.startsWith(File.separator)) {
+				volumePath + documentPath
+			} else {
+				volumePath + File.separator + documentPath
+			}
+		} else {
+			volumePath
+		},
+	)
+}
+
+private fun getVolumePath(volumeId: String, context: Context): String? {
+	return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+		getVolumePathForAndroid11AndAbove(volumeId, context)
+	} else {
+		getVolumePathBeforeAndroid11(volumeId, context)
+	}
+}
+
+
+private fun getVolumePathBeforeAndroid11(volumeId: String, context: Context): String? = runCatching {
+	val mStorageManager = context.getSystemService(Context.STORAGE_SERVICE) as StorageManager
+	val storageVolumeClazz = Class.forName("android.os.storage.StorageVolume")
+	val getVolumeList = mStorageManager.javaClass.getMethod("getVolumeList")
+	val getUuid = storageVolumeClazz.getMethod("getUuid")
+	val getPath = storageVolumeClazz.getMethod("getPath")
+	val isPrimary = storageVolumeClazz.getMethod("isPrimary")
+	val result = getVolumeList.invoke(mStorageManager)
+	val length = ArrayReflect.getLength(checkNotNull(result))
+	(0 until length).firstNotNullOfOrNull { i ->
+		val storageVolumeElement = ArrayReflect.get(result, i)
+		val uuid = getUuid.invoke(storageVolumeElement) as String
+		val primary = isPrimary.invoke(storageVolumeElement) as Boolean
+		when {
+			primary && volumeId == PRIMARY_VOLUME_NAME -> getPath.invoke(storageVolumeElement) as String
+			uuid == volumeId -> getPath.invoke(storageVolumeElement) as String
+			else -> null
+		}
+	}
+}.onFailure {
+	it.printStackTraceDebug()
+}.getOrNull()
+
+@TargetApi(Build.VERSION_CODES.R)
+private fun getVolumePathForAndroid11AndAbove(volumeId: String, context: Context): String? = runCatching {
+	val storageManager = context.getSystemService(Context.STORAGE_SERVICE) as StorageManager
+	storageManager.storageVolumes.firstNotNullOfOrNull { volume ->
+		if (volume.isPrimary && volumeId == PRIMARY_VOLUME_NAME) {
+			volume.directory?.path
+		} else {
+			val uuid = volume.uuid
+			if (uuid != null && uuid == volumeId) volume.directory?.path else null
+		}
+	}
+}.onFailure {
+	it.printStackTraceDebug()
+}.getOrNull()
+
+private fun getVolumeIdFromTreeUri(treeUri: Uri): String? {
+	val docId = DocumentsContract.getTreeDocumentId(treeUri)
+	val split = docId.split(":".toRegex())
+	return split.firstOrNull()?.takeUnless { it.isEmpty() }
+}
+
+private fun getDocumentPathFromTreeUri(treeUri: Uri): String? {
+	val docId = DocumentsContract.getTreeDocumentId(treeUri)
+	val split: Array<String?> = docId.split(":".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+	return if (split.size >= 2 && split[1] != null) split[1] else File.separator
+}

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

@@ -4,6 +4,7 @@ import android.os.SystemClock
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onCompletion
@@ -62,3 +63,23 @@ fun <T> Flow<T>.zipWithPrevious(): Flow<Pair<T?, T>> = flow {
 		emit(result)
 	}
 }
+
+@Suppress("UNCHECKED_CAST")
+fun <T1, T2, T3, T4, T5, T6, R> combine(
+	flow: Flow<T1>,
+	flow2: Flow<T2>,
+	flow3: Flow<T3>,
+	flow4: Flow<T4>,
+	flow5: Flow<T5>,
+	flow6: Flow<T6>,
+	transform: suspend (T1, T2, T3, T4, T5, T6) -> R
+): Flow<R> = combine(flow, flow2, flow3, flow4, flow5, flow6) { args: Array<*> ->
+	transform(
+		args[0] as T1,
+		args[1] as T2,
+		args[2] as T3,
+		args[3] as T4,
+		args[4] as T5,
+		args[5] as T6,
+	)
+}

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.util.ext
 
+import okhttp3.Cookie
 import okhttp3.HttpUrl
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.RequestBody.Companion.toRequestBody
@@ -38,3 +39,23 @@ fun Response.ensureSuccess() = apply {
 		throw IllegalStateException(message)
 	}
 }
+
+fun Cookie.newBuilder(): Cookie.Builder = Cookie.Builder().also { c ->
+	c.name(name)
+	c.value(value)
+	if (persistent) {
+		c.expiresAt(expiresAt)
+	}
+	if (hostOnly) {
+		c.hostOnlyDomain(domain)
+	} else {
+		c.domain(domain)
+	}
+	c.path(path)
+	if (secure) {
+		c.secure()
+	}
+	if (httpOnly) {
+		c.httpOnly()
+	}
+}

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

@@ -60,3 +60,10 @@ fun Context.getThemeColorStateList(
 ) = obtainStyledAttributes(intArrayOf(resId)).use {
 	it.getColorStateList(0)
 }
+
+fun Context.getThemeResId(
+	@AttrRes resId: Int,
+	fallback: Int
+): Int = obtainStyledAttributes(intArrayOf(resId)).use {
+	it.getResourceId(0, fallback)
+}

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

@@ -34,6 +34,7 @@ fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
 
 	is UnsupportedFileException -> resources.getString(R.string.text_file_not_supported)
 	is FileNotFoundException -> resources.getString(R.string.file_not_found)
+	is AccessDeniedException -> resources.getString(R.string.no_access_to_file)
 	is EmptyHistoryException -> resources.getString(R.string.history_is_empty)
 	is SyncApiException,
 	is ContentUnavailableException,

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

@@ -0,0 +1,14 @@
+package org.koitharu.kotatsu.core.util.ext
+
+import androidx.annotation.DrawableRes
+import androidx.appcompat.widget.Toolbar
+
+fun Toolbar.setNavigationIconSafe(@DrawableRes iconRes: Int, retry: Boolean = true) {
+	try {
+		setNavigationIcon(iconRes)
+	} catch (e: IllegalStateException) {
+		if (retry) {
+			post { setNavigationIconSafe(iconRes, retry = false) }
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/ChaptersBottomSheetMediator.kt

@@ -30,6 +30,7 @@ class ChaptersBottomSheetMediator(
 	}
 
 	override fun onActionModeStarted(mode: ActionMode) {
+		behavior.state = BottomSheetBehavior.STATE_EXPANDED
 		lock()
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/ChaptersFragment.kt

@@ -18,6 +18,7 @@ import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.RecyclerViewScrollCallback
 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.FragmentChaptersBinding
 import org.koitharu.kotatsu.details.ui.adapter.ChaptersAdapter
@@ -66,6 +67,9 @@ class ChaptersFragment :
 		viewModel.isChaptersEmpty.observe(viewLifecycleOwner) {
 			binding.textViewHolder.isVisible = it
 		}
+		viewModel.onSelectChapter.observeEvent(viewLifecycleOwner) {
+			selectionController?.onItemLongClick(it)
+		}
 	}
 
 	override fun onDestroyView() {

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsActivity.kt

@@ -43,6 +43,7 @@ import org.koitharu.kotatsu.core.util.ext.measureHeight
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.setNavigationBarTransparentCompat
+import org.koitharu.kotatsu.core.util.ext.setNavigationIconSafe
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ActivityDetailsBinding
 import org.koitharu.kotatsu.details.service.MangaPrefetchService
@@ -211,7 +212,7 @@ class DetailsActivity :
 		}
 		if (isExpanded) {
 			toolbar.addMenuProvider(chaptersMenuProvider)
-			toolbar.setNavigationIcon(materialR.drawable.abc_ic_clear_material)
+			toolbar.setNavigationIconSafe(materialR.drawable.abc_ic_clear_material)
 		} else {
 			toolbar.removeMenuProvider(chaptersMenuProvider)
 			toolbar.navigationIcon = null

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsFragment.kt

@@ -15,6 +15,7 @@ import androidx.core.view.updatePadding
 import androidx.fragment.app.activityViewModels
 import coil.ImageLoader
 import coil.request.ImageRequest
+import coil.request.SuccessResult
 import coil.util.CoilUtils
 import com.google.android.material.chip.Chip
 import dagger.hilt.android.AndroidEntryPoint
@@ -296,7 +297,7 @@ class DetailsFragment :
 	private fun loadCover(manga: Manga) {
 		val imageUrl = manga.largeCoverUrl.ifNullOrEmpty { manga.coverUrl }
 		val lastResult = CoilUtils.result(requireViewBinding().imageViewCover)
-		if (lastResult?.request?.data == imageUrl) {
+		if (lastResult is SuccessResult && lastResult.request.data == imageUrl) {
 			return
 		}
 		val request = ImageRequest.Builder(context ?: return)

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsMenuProvider.kt

@@ -16,12 +16,11 @@ import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.browser.BrowserActivity
 import org.koitharu.kotatsu.core.os.AppShortcutManager
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.ShareHelper
-import org.koitharu.kotatsu.details.ui.model.MangaBranch
+import org.koitharu.kotatsu.download.ui.dialog.DownloadOption
 import org.koitharu.kotatsu.favourites.ui.categories.select.FavouriteCategoriesSheet
-import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
-import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.scrobbling.common.ui.selector.ScrobblingSelectorSheet
 import org.koitharu.kotatsu.search.ui.multi.MultiSearchActivity
 
@@ -30,7 +29,7 @@ class DetailsMenuProvider(
 	private val viewModel: DetailsViewModel,
 	private val snackbarHost: View,
 	private val appShortcutManager: AppShortcutManager,
-) : MenuProvider {
+) : MenuProvider, OnListItemClickListener<DownloadOption> {
 
 	override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
 		menuInflater.inflate(R.menu.opt_details, menu)
@@ -44,7 +43,7 @@ class DetailsMenuProvider(
 		menu.findItem(R.id.action_shortcut).isVisible = ShortcutManagerCompat.isRequestPinShortcutSupported(activity)
 		menu.findItem(R.id.action_scrobbling).isVisible = viewModel.isScrobblingAvailable
 		menu.findItem(R.id.action_favourite).setIcon(
-			if (viewModel.favouriteCategories.value == true) R.drawable.ic_heart else R.drawable.ic_heart_outline,
+			if (viewModel.favouriteCategories.value) R.drawable.ic_heart else R.drawable.ic_heart_outline,
 		)
 	}
 
@@ -80,15 +79,7 @@ class DetailsMenuProvider(
 			}
 
 			R.id.action_save -> {
-				viewModel.manga.value?.let {
-					val chaptersCount = it.chapters?.size ?: 0
-					val branches = viewModel.branches.value.orEmpty()
-					if (chaptersCount > 5 || branches.size > 1) {
-						showSaveConfirmation(it, chaptersCount, branches)
-					} else {
-						viewModel.download(null)
-					}
-				}
+				DownloadDialogHelper(snackbarHost, viewModel).show(this)
 			}
 
 			R.id.action_browser -> {
@@ -125,35 +116,16 @@ class DetailsMenuProvider(
 		return true
 	}
 
-	private fun showSaveConfirmation(manga: Manga, chaptersCount: Int, branches: List<MangaBranch>) {
-		val dialogBuilder = MaterialAlertDialogBuilder(activity)
-			.setTitle(R.string.save_manga)
-			.setNegativeButton(android.R.string.cancel, null)
-		if (branches.size > 1) {
-			val items = Array(branches.size) { i -> branches[i].name.orEmpty() }
-			val currentBranch = branches.indexOfFirst { it.isSelected }
-			val checkedIndices = BooleanArray(branches.size) { i -> i == currentBranch }
-			dialogBuilder.setMultiChoiceItems(items, checkedIndices) { _, i, checked ->
-				checkedIndices[i] = checked
-			}.setPositiveButton(R.string.save) { _, _ ->
-				val selectedBranches = branches.mapIndexedNotNullTo(HashSet()) { i, b ->
-					if (checkedIndices[i]) b.name else null
-				}
-				val chaptersIds = manga.chapters?.mapNotNullToSet { c ->
-					if (c.branch in selectedBranches) c.id else null
-				}
-				viewModel.download(chaptersIds)
-			}
-		} else {
-			dialogBuilder.setMessage(
-				activity.getString(
-					R.string.large_manga_save_confirm,
-					activity.resources.getQuantityString(R.plurals.chapters, chaptersCount, chaptersCount),
-				),
-			).setPositiveButton(R.string.save) { _, _ ->
-				viewModel.download(null)
+	override fun onItemClick(item: DownloadOption, view: View) {
+		val chaptersIds: Set<Long>? = when (item) {
+			is DownloadOption.WholeManga -> null
+			is DownloadOption.SelectionHint -> {
+				viewModel.startChaptersSelection()
+				return
 			}
+
+			else -> item.chaptersIds
 		}
-		dialogBuilder.show()
+		viewModel.download(chaptersIds)
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsViewModel.kt

@@ -31,12 +31,14 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
 import org.koitharu.kotatsu.core.model.getPreferredBranch
+import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.observeAsStateFlow
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.core.util.ext.combine
 import org.koitharu.kotatsu.core.util.ext.computeSize
 import org.koitharu.kotatsu.core.util.ext.requireValue
 import org.koitharu.kotatsu.core.util.ext.sanitize
@@ -72,6 +74,7 @@ class DetailsViewModel @Inject constructor(
 	savedStateHandle: SavedStateHandle,
 	private val deleteLocalMangaUseCase: DeleteLocalMangaUseCase,
 	private val doubleMangaLoadUseCase: DoubleMangaLoadUseCase,
+	networkState: NetworkState,
 ) : BaseViewModel() {
 
 	private val intent = MangaIntent(savedStateHandle)
@@ -81,6 +84,7 @@ class DetailsViewModel @Inject constructor(
 
 	val onShowToast = MutableEventFlow<Int>()
 	val onShowTip = MutableEventFlow<Unit>()
+	val onSelectChapter = MutableEventFlow<Long>()
 	val onDownloadStarted = MutableEventFlow<Unit>()
 
 	val manga = doubleManga.map { it?.any }
@@ -176,8 +180,9 @@ class DetailsViewModel @Inject constructor(
 			selectedBranch,
 			newChaptersCount,
 			bookmarks,
-		) { manga, history, branch, news, bookmarks ->
-			mapChapters(manga?.remote, manga?.local, history, news, branch, bookmarks)
+			networkState,
+		) { manga, history, branch, news, bookmarks, isOnline ->
+			mapChapters(manga?.remote?.takeIf { isOnline }, manga?.local, history, news, branch, bookmarks)
 		},
 		isChaptersReversed,
 		chaptersQuery,
@@ -286,6 +291,14 @@ class DetailsViewModel @Inject constructor(
 		}
 	}
 
+	fun startChaptersSelection() {
+		val chapters = chapters.value
+		val chapter = chapters.find {
+			it.isUnread && !it.isDownloaded
+		} ?: chapters.firstOrNull() ?: return
+		onSelectChapter.call(chapter.chapter.id)
+	}
+
 	fun onButtonTipClosed() {
 		settings.closeTip(DetailsActivity.TIP_BUTTON)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DownloadDialogHelper.kt

@@ -0,0 +1,64 @@
+package org.koitharu.kotatsu.details.ui
+
+import android.content.DialogInterface
+import android.view.View
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.model.ids
+import org.koitharu.kotatsu.core.ui.dialog.RecyclerViewAlertDialog
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.download.ui.dialog.DownloadOption
+import org.koitharu.kotatsu.download.ui.dialog.downloadOptionAD
+
+class DownloadDialogHelper(
+	private val host: View,
+	private val viewModel: DetailsViewModel,
+) {
+
+	fun show(callback: OnListItemClickListener<DownloadOption>) {
+		val branch = viewModel.selectedBranchValue
+		val allChapters = viewModel.manga.value?.chapters ?: return
+		val branchChapters = viewModel.manga.value?.getChapters(branch).orEmpty()
+		val history = viewModel.history.value
+
+		val options = buildList {
+			add(DownloadOption.WholeManga(allChapters.ids()))
+			if (branch != null && branchChapters.isNotEmpty()) {
+				add(DownloadOption.AllChapters(branch, branchChapters.ids()))
+			}
+
+			if (history != null) {
+				val unreadChapters = branchChapters.takeLastWhile { it.id != history.chapterId }
+				if (unreadChapters.isNotEmpty() && unreadChapters.size < branchChapters.size) {
+					add(DownloadOption.AllUnreadChapters(unreadChapters.ids(), branch))
+					if (unreadChapters.size > 5) {
+						add(DownloadOption.NextUnreadChapters(unreadChapters.take(5).ids()))
+						if (unreadChapters.size > 10) {
+							add(DownloadOption.NextUnreadChapters(unreadChapters.take(10).ids()))
+						}
+					}
+				}
+			} else {
+				if (branchChapters.size > 5) {
+					add(DownloadOption.FirstChapters(branchChapters.take(5).ids()))
+					if (branchChapters.size > 10) {
+						add(DownloadOption.FirstChapters(branchChapters.take(10).ids()))
+					}
+				}
+			}
+			add(DownloadOption.SelectionHint())
+		}
+		var dialog: DialogInterface? = null
+		val listener = OnListItemClickListener<DownloadOption> { item, _ ->
+			callback.onItemClick(item, host)
+			dialog?.dismiss()
+		}
+		dialog = RecyclerViewAlertDialog.Builder<DownloadOption>(host.context)
+			.addAdapterDelegate(downloadOptionAD(listener))
+			.setCancelable(true)
+			.setTitle(R.string.download)
+			.setNegativeButton(android.R.string.cancel)
+			.setItems(options)
+			.create()
+			.also { it.show() }
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/MangaDetailsAdapter.kt

@@ -1,16 +0,0 @@
-package org.koitharu.kotatsu.details.ui
-
-import androidx.fragment.app.Fragment
-import androidx.fragment.app.FragmentActivity
-import androidx.viewpager2.adapter.FragmentStateAdapter
-
-class MangaDetailsAdapter(activity: FragmentActivity) : FragmentStateAdapter(activity) {
-
-	override fun getItemCount() = 2
-
-	override fun createFragment(position: Int): Fragment = when (position) {
-		0 -> DetailsFragment()
-		1 -> ChaptersFragment()
-		else -> throw IndexOutOfBoundsException("No fragment for position $position")
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/scrobbling/ScrobblingInfoSheet.kt

@@ -121,13 +121,14 @@ class ScrobblingInfoSheet :
 			dismissAllowingStateLoss()
 			return
 		}
-		requireViewBinding().textViewTitle.text = scrobbling.title
-		requireViewBinding().ratingBar.rating = scrobbling.rating * requireViewBinding().ratingBar.numStars
-		requireViewBinding().textViewDescription.text = scrobbling.description?.sanitize()
-		requireViewBinding().spinnerStatus.setSelection(scrobbling.status?.ordinal ?: -1)
-		requireViewBinding().imageViewLogo.contentDescription = getString(scrobbling.scrobbler.titleResId)
-		requireViewBinding().imageViewLogo.setImageResource(scrobbling.scrobbler.iconResId)
-		requireViewBinding().imageViewCover.newImageRequest(viewLifecycleOwner, scrobbling.coverUrl)?.apply {
+		val binding = viewBinding ?: return
+		binding.textViewTitle.text = scrobbling.title
+		binding.ratingBar.rating = scrobbling.rating * binding.ratingBar.numStars
+		binding.textViewDescription.text = scrobbling.description?.sanitize()
+		binding.spinnerStatus.setSelection(scrobbling.status?.ordinal ?: -1)
+		binding.imageViewLogo.contentDescription = getString(scrobbling.scrobbler.titleResId)
+		binding.imageViewLogo.setImageResource(scrobbling.scrobbler.iconResId)
+		binding.imageViewCover.newImageRequest(viewLifecycleOwner, scrobbling.coverUrl)?.apply {
 			placeholder(R.drawable.ic_placeholder)
 			fallback(R.drawable.ic_placeholder)
 			error(R.drawable.ic_error_placeholder)

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/dialog/DownloadOption.kt

@@ -0,0 +1,99 @@
+package org.koitharu.kotatsu.download.ui.dialog
+
+import android.content.res.Resources
+import androidx.annotation.DrawableRes
+import org.koitharu.kotatsu.R
+import java.util.Locale
+import com.google.android.material.R as materialR
+
+sealed interface DownloadOption {
+
+	val chaptersIds: Set<Long>
+
+	@get:DrawableRes
+	val iconResId: Int
+
+	val chaptersCount: Int
+		get() = chaptersIds.size
+
+	fun getLabel(resources: Resources): CharSequence
+
+	class AllChapters(
+		val branch: String,
+		override val chaptersIds: Set<Long>,
+	) : DownloadOption {
+
+		override val iconResId = R.drawable.ic_select_group
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(R.string.download_option_all_chapters, branch)
+		}
+	}
+
+	class WholeManga(
+		override val chaptersIds: Set<Long>,
+	) : DownloadOption {
+
+		override val iconResId = materialR.drawable.abc_ic_menu_selectall_mtrl_alpha
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(R.string.download_option_whole_manga)
+		}
+	}
+
+	class FirstChapters(
+		override val chaptersIds: Set<Long>,
+	) : DownloadOption {
+
+		override val iconResId = R.drawable.ic_list_start
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(
+				R.string.download_option_first_n_chapters,
+				resources.getQuantityString(R.plurals.chapters, chaptersCount, chaptersCount)
+					.lowercase(Locale.getDefault()),
+			)
+		}
+	}
+
+	class AllUnreadChapters(
+		override val chaptersIds: Set<Long>,
+		val branch: String?,
+	) : DownloadOption {
+
+		override val iconResId = R.drawable.ic_list_end
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return if (branch == null) {
+				resources.getString(R.string.download_option_all_unread)
+			} else {
+				resources.getString(R.string.download_option_all_unread_b, branch)
+			}
+		}
+	}
+
+	class NextUnreadChapters(
+		override val chaptersIds: Set<Long>,
+	) : DownloadOption {
+
+		override val iconResId = R.drawable.ic_list_next
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(
+				R.string.download_option_next_unread_n_chapters,
+				resources.getQuantityString(R.plurals.chapters, chaptersCount, chaptersCount)
+					.lowercase(Locale.getDefault()),
+			)
+		}
+	}
+
+	class SelectionHint : DownloadOption {
+
+		override val chaptersIds: Set<Long> = emptySet()
+		override val iconResId = R.drawable.ic_tap
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(R.string.download_option_manual_selection)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/dialog/DownloadOptionAD.kt

@@ -0,0 +1,27 @@
+package org.koitharu.kotatsu.download.ui.dialog
+
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.databinding.ItemDownloadOptionBinding
+
+fun downloadOptionAD(
+	onClickListener: OnListItemClickListener<DownloadOption>,
+) = adapterDelegateViewBinding<DownloadOption, DownloadOption, ItemDownloadOptionBinding>(
+	{ layoutInflater, parent -> ItemDownloadOptionBinding.inflate(layoutInflater, parent, false) },
+) {
+
+	binding.root.setOnClickListener { v -> onClickListener.onItemClick(item, v) }
+
+	bind {
+		with(binding.root) {
+			title = item.getLabel(resources)
+			subtitle = if (item.chaptersCount == 0) null else resources.getQuantityString(
+				R.plurals.chapters,
+				item.chaptersCount,
+				item.chaptersCount,
+			)
+			setIconResource(item.iconResId)
+		}
+	}
+}

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

@@ -141,11 +141,13 @@ class DownloadsViewModel @Inject constructor(
 	fun remove(ids: Set<Long>) {
 		launchJob(Dispatchers.Default) {
 			val snapshot = works.value ?: return@launchJob
+			val uuids = HashSet<UUID>(ids.size)
 			for (work in snapshot) {
 				if (work.id.mostSignificantBits in ids) {
-					workScheduler.delete(work.id)
+					uuids.add(work.id)
 				}
 			}
+			workScheduler.delete(uuids)
 			onActionDone.call(ReversibleAction(R.string.downloads_removed, null))
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/worker/DownloadWorker.kt

@@ -45,6 +45,7 @@ import org.koitharu.kotatsu.core.util.WorkManagerHelper
 import org.koitharu.kotatsu.core.util.ext.deleteAwait
 import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
 import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.writeAllCancellable
 import org.koitharu.kotatsu.core.util.progress.TimeLeftEstimator
 import org.koitharu.kotatsu.download.domain.DownloadState
@@ -60,7 +61,6 @@ import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.await
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import java.io.File
 import java.util.UUID
 import java.util.concurrent.TimeUnit
@@ -322,9 +322,9 @@ class DownloadWorker @AssistedInject constructor(
 		manga: Manga,
 		includedIds: LongArray?,
 	): List<MangaChapter> {
-		val chapters = checkNotNull(manga.chapters?.toMutableList()) {
+		val chapters = checkNotNull(manga.chapters) {
 			"Chapters list must not be null"
-		}
+		}.toMutableList()
 		if (includedIds != null) {
 			val chaptersIdsSet = includedIds.toMutableSet()
 			chapters.retainAll { x -> chaptersIdsSet.remove(x.id) }
@@ -399,6 +399,13 @@ class DownloadWorker @AssistedInject constructor(
 			WorkManagerHelper(workManager).deleteWork(id)
 		}
 
+		suspend fun delete(ids: Collection<UUID>) {
+			val wm = workManager
+			val helper = WorkManagerHelper(wm)
+			ids.forEach { id -> wm.cancelWorkById(id).await() }
+			helper.deleteWorks(ids)
+		}
+
 		suspend fun removeCompleted() {
 			val helper = WorkManagerHelper(workManager)
 			val finishedWorks = helper.getFinishedWorkInfosByTag(TAG)
@@ -406,10 +413,7 @@ class DownloadWorker @AssistedInject constructor(
 		}
 
 		suspend fun updateConstraints() {
-			val constraints = Constraints.Builder()
-				.setRequiresStorageNotLow(true)
-				.setRequiredNetworkType(if (settings.isDownloadsWiFiOnly) NetworkType.UNMETERED else NetworkType.CONNECTED)
-				.build()
+			val constraints = createConstraints()
 			val helper = WorkManagerHelper(workManager)
 			val works = helper.getWorkInfosByTag(TAG)
 			for (work in works) {
@@ -418,6 +422,7 @@ class DownloadWorker @AssistedInject constructor(
 				}
 				val request = OneTimeWorkRequestBuilder<DownloadWorker>()
 					.setConstraints(constraints)
+					.addTag(TAG)
 					.setId(work.id)
 					.build()
 				helper.updateWork(request)
@@ -425,15 +430,15 @@ class DownloadWorker @AssistedInject constructor(
 		}
 
 		private suspend fun scheduleImpl(data: Collection<Data>) {
-			val constraints = Constraints.Builder()
-				.setRequiresStorageNotLow(true)
-				.setRequiredNetworkType(if (settings.isDownloadsWiFiOnly) NetworkType.UNMETERED else NetworkType.CONNECTED)
-				.build()
+			if (data.isEmpty()) {
+				return
+			}
+			val constraints = createConstraints()
 			val requests = data.map { inputData ->
 				OneTimeWorkRequestBuilder<DownloadWorker>()
 					.setConstraints(constraints)
 					.addTag(TAG)
-					.keepResultsForAtLeast(7, TimeUnit.DAYS)
+					.keepResultsForAtLeast(30, TimeUnit.DAYS)
 					.setBackoffCriteria(BackoffPolicy.LINEAR, 10, TimeUnit.SECONDS)
 					.setInputData(inputData)
 					.setExpedited(OutOfQuotaPolicy.RUN_AS_NON_EXPEDITED_WORK_REQUEST)
@@ -441,6 +446,10 @@ class DownloadWorker @AssistedInject constructor(
 			}
 			workManager.enqueue(requests).await()
 		}
+
+		private fun createConstraints() = Constraints.Builder()
+			.setRequiredNetworkType(if (settings.isDownloadsWiFiOnly) NetworkType.UNMETERED else NetworkType.CONNECTED)
+			.build()
 	}
 
 	private companion object {

app/src/main/kotlin/org/koitharu/kotatsu/history/domain/HistoryUpdateUseCase.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.history.domain
 
+import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.NonCancellable
 import kotlinx.coroutines.launch
@@ -30,7 +31,7 @@ class HistoryUpdateUseCase @Inject constructor(
 		manga: Manga,
 		readerState: ReaderState,
 		percent: Float
-	) = processLifecycleScope.launch(Dispatchers.Default) {
+	) = processLifecycleScope.launch(Dispatchers.Default, CoroutineStart.ATOMIC) {
 		runCatchingCancellable {
 			withContext(NonCancellable) {
 				invoke(manga, readerState, percent)

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

@@ -23,7 +23,7 @@ class ImageFileFilter : FilenameFilter, FileFilter {
 		return isExtensionValid(ext)
 	}
 
-	private fun isExtensionValid(ext: String): Boolean {
+	fun isExtensionValid(ext: String): Boolean {
 		return ext == "png" || ext == "jpg" || ext == "jpeg" || ext == "webp"
 	}
 }

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

@@ -29,6 +29,7 @@ import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import java.io.File
+import java.io.FilenameFilter
 import java.util.EnumSet
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -192,7 +193,7 @@ class LocalMangaRepository @Inject constructor(
 			val dispatcher = Dispatchers.IO.limitedParallelism(MAX_PARALLELISM)
 			files.map { file ->
 				async(dispatcher) {
-					runCatchingCancellable { LocalMangaInput.of(file).getManga() }.getOrNull()
+					runCatchingCancellable { LocalMangaInput.ofOrNull(file)?.getManga() }.getOrNull()
 				}
 			}.awaitAll()
 		}.filterNotNullTo(ArrayList(files.size))

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

@@ -2,8 +2,11 @@ package org.koitharu.kotatsu.local.data
 
 import android.content.ContentResolver
 import android.content.Context
+import android.content.Intent
+import android.net.Uri
 import android.os.StatFs
 import androidx.annotation.WorkerThread
+import androidx.core.net.toFile
 import dagger.Reusable
 import dagger.hilt.android.qualifiers.ApplicationContext
 import kotlinx.coroutines.Dispatchers
@@ -13,11 +16,14 @@ import okhttp3.Cache
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.ext.computeSize
 import org.koitharu.kotatsu.core.util.ext.getStorageName
+import org.koitharu.kotatsu.core.util.ext.resolveFile
+import org.koitharu.kotatsu.core.util.ext.toFileOrNull
 import org.koitharu.kotatsu.parsers.util.mapToSet
 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
@@ -74,14 +80,42 @@ class LocalStorageManager @Inject constructor(
 		preferredDir ?: getFallbackStorageDir()?.takeIf { it.isWriteable() }
 	}
 
-	fun getStorageDisplayName(file: File) = file.getStorageName(context)
+	suspend fun getApplicationStorageDirs(): Set<File> = runInterruptible(Dispatchers.IO) {
+		getAvailableStorageDirs()
+	}
+
+	suspend fun resolveUri(uri: Uri): File? = runInterruptible(Dispatchers.IO) {
+		if (uri.scheme == "file") {
+			uri.toFile()
+		} else {
+			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)
+	}
+
+	suspend fun getDirectoryDisplayName(dir: File, isFullPath: Boolean): String = runInterruptible(Dispatchers.IO) {
+		val packageName = context.packageName
+		if (dir.absolutePath.contains(packageName)) {
+			dir.getStorageName(context)
+		} else if (isFullPath) {
+			dir.path
+		} else {
+			dir.name
+		}
+	}
 
 	@WorkerThread
 	private fun getConfiguredStorageDirs(): MutableSet<File> {
 		val set = getAvailableStorageDirs()
-		settings.mangaStorageDir?.let {
-			set.add(it)
-		}
+		set.addAll(settings.userSpecifiedMangaDirectories)
 		return set
 	}
 

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

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.local.data.input
 
 import android.net.Uri
 import androidx.core.net.toFile
+import org.koitharu.kotatsu.local.data.CbzFilter
 import org.koitharu.kotatsu.local.domain.model.LocalManga
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
@@ -30,6 +31,12 @@ sealed class LocalMangaInput(
 			else -> LocalMangaZipInput(file)
 		}
 
+		fun ofOrNull(file: File): LocalMangaInput? = when {
+			file.isDirectory -> LocalMangaDirInput(file)
+			CbzFilter.isFileSupported(file.name) -> LocalMangaZipInput(file)
+			else -> null
+		}
+
 		@JvmStatic
 		protected fun zipUri(file: File, entryName: String): String =
 			Uri.fromParts("cbz", file.path, entryName).toString()

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

@@ -35,18 +35,6 @@ class LocalMangaUtil(
 		}
 	}
 
-	suspend fun writeIndex(index: MangaIndex) {
-		newOutput().use { output ->
-			when (output) {
-				is LocalMangaDirOutput -> {
-					TODO()
-				}
-
-				is LocalMangaZipOutput -> TODO()
-			}
-		}
-	}
-
 	private suspend fun newOutput(): LocalMangaOutput = runInterruptible(Dispatchers.IO) {
 		val file = manga.url.toUri().toFile()
 		if (file.isDirectory) {

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

@@ -85,7 +85,7 @@ class LocalChaptersRemoveService : CoroutineIntentService() {
 			.setProgress(0, 0, true)
 			.setSmallIcon(android.R.drawable.stat_notify_sync)
 			.setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_DEFERRED)
-			.setOngoing(true)
+			.setOngoing(false)
 			.build()
 		startForeground(NOTIFICATION_ID, notification)
 	}

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/scrobbling/anilist/data/ScoreFormat.kt

@@ -13,7 +13,7 @@ enum class ScoreFormat {
 
 		POINT_5 -> score / 5f
 		POINT_3 -> score / 3f
-	}
+	}.coerceIn(0f, 1f)
 
 	companion object {
 

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/mal/data/MALRepository.kt

@@ -173,7 +173,7 @@ class MALRepository @Inject constructor(
 			status = json.getString("status"),
 			chapter = json.getInt("num_chapters_read"),
 			comment = json.getString("comments"),
-			rating = json.getDouble("score").toFloat() / 10f,
+			rating = (json.getDouble("score").toFloat() / 10f).coerceIn(0f, 1f),
 		)
 		db.scrobblingDao.upsert(entity)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/shikimori/data/ShikimoriRepository.kt

@@ -190,7 +190,7 @@ class ShikimoriRepository @Inject constructor(
 			status = json.getString("status"),
 			chapter = json.getInt("chapters"),
 			comment = json.getString("text"),
-			rating = json.getDouble("score").toFloat() / 10f,
+			rating = (json.getDouble("score").toFloat() / 10f).coerceIn(0f, 1f),
 		)
 		db.scrobblingDao.upsert(entity)
 	}

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

@@ -11,20 +11,18 @@ import kotlinx.coroutines.withContext
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
-import org.koitharu.kotatsu.core.ui.dialog.StorageSelectDialog
-import org.koitharu.kotatsu.core.util.ext.getStorageName
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 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.core.util.ext.printStackTraceDebug
-import java.io.File
+import org.koitharu.kotatsu.settings.storage.MangaDirectorySelectDialog
+import org.koitharu.kotatsu.settings.storage.directories.MangaDirectoriesActivity
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class DownloadsSettingsFragment :
 	BasePreferenceFragment(R.string.downloads),
-	SharedPreferences.OnSharedPreferenceChangeListener,
-	StorageSelectDialog.OnStorageSelectListener {
+	SharedPreferences.OnSharedPreferenceChangeListener {
 
 	@Inject
 	lateinit var storageManager: LocalStorageManager
@@ -39,6 +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)
 	}
 
@@ -53,6 +52,10 @@ class DownloadsSettingsFragment :
 				findPreference<Preference>(key)?.bindStorageName()
 			}
 
+			AppSettings.KEY_LOCAL_MANGA_DIRS -> {
+				findPreference<Preference>(key)?.bindDirectoriesCount()
+			}
+
 			AppSettings.KEY_DOWNLOADS_WIFI -> {
 				updateDownloadsConstraints()
 			}
@@ -62,12 +65,12 @@ class DownloadsSettingsFragment :
 	override fun onPreferenceTreeClick(preference: Preference): Boolean {
 		return when (preference.key) {
 			AppSettings.KEY_LOCAL_STORAGE -> {
-				val ctx = context ?: return false
-				StorageSelectDialog.Builder(ctx, storageManager, this)
-					.setTitle(preference.title ?: "")
-					.setNegativeButton(android.R.string.cancel)
-					.create()
-					.show()
+				MangaDirectorySelectDialog.show(childFragmentManager)
+				true
+			}
+
+			AppSettings.KEY_LOCAL_MANGA_DIRS -> {
+				startActivity(MangaDirectoriesActivity.newIntent(preference.context))
 				true
 			}
 
@@ -75,14 +78,21 @@ class DownloadsSettingsFragment :
 		}
 	}
 
-	override fun onStorageSelected(file: File) {
-		settings.mangaStorageDir = file
-	}
-
 	private fun Preference.bindStorageName() {
 		viewLifecycleScope.launch {
 			val storage = storageManager.getDefaultWriteableDir()
-			summary = storage?.getStorageName(context) ?: getString(R.string.not_available)
+			summary = if (storage != null) {
+				storageManager.getDirectoryDisplayName(storage, isFullPath = true)
+			} else {
+				getString(R.string.not_available)
+			}
+		}
+	}
+
+	private fun Preference.bindDirectoriesCount() {
+		viewLifecycleScope.launch {
+			val dirs = storageManager.getReadableDirs().size
+			summary = resources.getQuantityString(R.plurals.items, dirs, dirs)
 		}
 	}
 

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

@@ -8,34 +8,28 @@ import android.os.Bundle
 import android.view.View
 import androidx.activity.result.ActivityResultCallback
 import androidx.activity.result.contract.ActivityResultContracts
-import androidx.lifecycle.Lifecycle
+import androidx.fragment.app.viewModels
 import androidx.preference.Preference
 import androidx.preference.TwoStatePreference
+import androidx.preference.forEach
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.CancellationException
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.runInterruptible
-import okhttp3.Cache
+import kotlinx.coroutines.flow.StateFlow
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
+import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
 import org.koitharu.kotatsu.core.os.AppShortcutManager
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
+import org.koitharu.kotatsu.core.ui.util.ReversibleActionObserver
 import org.koitharu.kotatsu.core.util.FileSize
-import org.koitharu.kotatsu.core.util.ext.awaitStateAtLeast
-import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
+import org.koitharu.kotatsu.core.util.ext.observe
+import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
-import org.koitharu.kotatsu.core.util.ext.viewLifecycleScope
 import org.koitharu.kotatsu.local.data.CacheDir
-import org.koitharu.kotatsu.local.data.LocalStorageManager
-import org.koitharu.kotatsu.search.domain.MangaSearchRepository
 import org.koitharu.kotatsu.settings.backup.BackupDialogFragment
 import org.koitharu.kotatsu.settings.backup.RestoreDialogFragment
 import org.koitharu.kotatsu.settings.protect.ProtectSetupActivity
-import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import javax.inject.Inject
 
 @AndroidEntryPoint
@@ -43,24 +37,11 @@ class UserDataSettingsFragment : BasePreferenceFragment(R.string.data_and_privac
 	SharedPreferences.OnSharedPreferenceChangeListener,
 	ActivityResultCallback<Uri?> {
 
-	@Inject
-	lateinit var trackerRepo: TrackingRepository
-
-	@Inject
-	lateinit var searchRepository: MangaSearchRepository
-
-	@Inject
-	lateinit var storageManager: LocalStorageManager
-
-	@Inject
-	lateinit var cookieJar: MutableCookieJar
-
-	@Inject
-	lateinit var cache: Cache
-
 	@Inject
 	lateinit var appShortcutManager: AppShortcutManager
 
+	private val viewModel: UserDataSettingsViewModel by viewModels()
+
 	private val backupSelectCall = registerForActivityResult(
 		ActivityResultContracts.OpenDocument(),
 		this,
@@ -76,23 +57,34 @@ class UserDataSettingsFragment : BasePreferenceFragment(R.string.data_and_privac
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		findPreference<Preference>(AppSettings.KEY_PAGES_CACHE_CLEAR)?.bindSummaryToCacheSize(CacheDir.PAGES)
-		findPreference<Preference>(AppSettings.KEY_THUMBS_CACHE_CLEAR)?.bindSummaryToCacheSize(CacheDir.THUMBS)
-		findPreference<Preference>(AppSettings.KEY_HTTP_CACHE_CLEAR)?.bindSummaryToHttpCacheSize()
+		findPreference<Preference>(AppSettings.KEY_PAGES_CACHE_CLEAR)?.bindBytesSizeSummary(checkNotNull(viewModel.cacheSizes[CacheDir.PAGES]))
+		findPreference<Preference>(AppSettings.KEY_THUMBS_CACHE_CLEAR)?.bindBytesSizeSummary(checkNotNull(viewModel.cacheSizes[CacheDir.THUMBS]))
+		findPreference<Preference>(AppSettings.KEY_HTTP_CACHE_CLEAR)?.bindBytesSizeSummary(viewModel.httpCacheSize)
 		findPreference<Preference>(AppSettings.KEY_SEARCH_HISTORY_CLEAR)?.let { pref ->
-			viewLifecycleScope.launch {
-				lifecycle.awaitStateAtLeast(Lifecycle.State.RESUMED)
-				val items = searchRepository.getSearchHistoryCount()
-				pref.summary = pref.context.resources.getQuantityString(R.plurals.items, items, items)
+			viewModel.searchHistoryCount.observe(viewLifecycleOwner) {
+				pref.summary = if (it < 0) {
+					view.context.getString(R.string.loading_)
+				} else {
+					pref.context.resources.getQuantityString(R.plurals.items, it, it)
+				}
 			}
 		}
 		findPreference<Preference>(AppSettings.KEY_UPDATES_FEED_CLEAR)?.let { pref ->
-			viewLifecycleScope.launch {
-				lifecycle.awaitStateAtLeast(Lifecycle.State.RESUMED)
-				val items = trackerRepo.getLogsCount()
-				pref.summary = pref.context.resources.getQuantityString(R.plurals.items, items, items)
+			viewModel.feedItemsCount.observe(viewLifecycleOwner) {
+				pref.summary = if (it < 0) {
+					view.context.getString(R.string.loading_)
+				} else {
+					pref.context.resources.getQuantityString(R.plurals.items, it, it)
+				}
 			}
 		}
+		viewModel.loadingKeys.observe(viewLifecycleOwner) { keys ->
+			preferenceScreen.forEach { pref ->
+				pref.isEnabled = pref.key !in keys
+			}
+		}
+		viewModel.onError.observeEvent(viewLifecycleOwner, SnackbarErrorObserver(listView, this))
+		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ReversibleActionObserver(listView))
 		settings.subscribe(this)
 	}
 
@@ -104,12 +96,12 @@ class UserDataSettingsFragment : BasePreferenceFragment(R.string.data_and_privac
 	override fun onPreferenceTreeClick(preference: Preference): Boolean {
 		return when (preference.key) {
 			AppSettings.KEY_PAGES_CACHE_CLEAR -> {
-				clearCache(preference, CacheDir.PAGES)
+				viewModel.clearCache(preference.key, CacheDir.PAGES)
 				true
 			}
 
 			AppSettings.KEY_THUMBS_CACHE_CLEAR -> {
-				clearCache(preference, CacheDir.THUMBS)
+				viewModel.clearCache(preference.key, CacheDir.THUMBS)
 				true
 			}
 
@@ -119,26 +111,17 @@ class UserDataSettingsFragment : BasePreferenceFragment(R.string.data_and_privac
 			}
 
 			AppSettings.KEY_SEARCH_HISTORY_CLEAR -> {
-				clearSearchHistory(preference)
+				clearSearchHistory()
 				true
 			}
 
 			AppSettings.KEY_HTTP_CACHE_CLEAR -> {
-				clearHttpCache()
+				viewModel.clearHttpCache()
 				true
 			}
 
 			AppSettings.KEY_UPDATES_FEED_CLEAR -> {
-				viewLifecycleScope.launch {
-					trackerRepo.clearLogs()
-					preference.summary = preference.context.resources
-						.getQuantityString(R.plurals.items, 0, 0)
-					Snackbar.make(
-						view ?: return@launch,
-						R.string.updates_feed_cleared,
-						Snackbar.LENGTH_SHORT,
-					).show()
-				}
+				viewModel.clearUpdatesFeed()
 				true
 			}
 
@@ -189,71 +172,23 @@ class UserDataSettingsFragment : BasePreferenceFragment(R.string.data_and_privac
 		}
 	}
 
-	private fun clearCache(preference: Preference, cache: CacheDir) {
-		val ctx = preference.context.applicationContext
-		viewLifecycleScope.launch {
-			try {
-				preference.isEnabled = false
-				storageManager.clearCache(cache)
-				val size = storageManager.computeCacheSize(cache)
-				preference.summary = FileSize.BYTES.format(ctx, size)
-			} catch (e: CancellationException) {
-				throw e
-			} catch (e: Exception) {
-				preference.summary = e.getDisplayMessage(ctx.resources)
-			} finally {
-				preference.isEnabled = true
+	private fun Preference.bindBytesSizeSummary(stateFlow: StateFlow<Long>) {
+		stateFlow.observe(viewLifecycleOwner) { size ->
+			summary = if (size < 0) {
+				context.getString(R.string.computing_)
+			} else {
+				FileSize.BYTES.format(context, size)
 			}
 		}
 	}
 
-	private fun Preference.bindSummaryToCacheSize(dir: CacheDir) = viewLifecycleScope.launch {
-		val size = storageManager.computeCacheSize(dir)
-		summary = FileSize.BYTES.format(context, size)
-	}
-
-	private fun Preference.bindSummaryToHttpCacheSize() = viewLifecycleScope.launch {
-		val size = runInterruptible(Dispatchers.IO) { cache.size() }
-		summary = FileSize.BYTES.format(context, size)
-	}
-
-	private fun clearHttpCache() {
-		val preference = findPreference<Preference>(AppSettings.KEY_HTTP_CACHE_CLEAR) ?: return
-		val ctx = preference.context.applicationContext
-		viewLifecycleScope.launch {
-			try {
-				preference.isEnabled = false
-				val size = runInterruptible(Dispatchers.IO) {
-					cache.evictAll()
-					cache.size()
-				}
-				preference.summary = FileSize.BYTES.format(ctx, size)
-			} catch (e: CancellationException) {
-				throw e
-			} catch (e: Exception) {
-				preference.summary = e.getDisplayMessage(ctx.resources)
-			} finally {
-				preference.isEnabled = true
-			}
-		}
-	}
-
-	private fun clearSearchHistory(preference: Preference) {
+	private fun clearSearchHistory() {
 		MaterialAlertDialogBuilder(context ?: return)
 			.setTitle(R.string.clear_search_history)
 			.setMessage(R.string.text_clear_search_history_prompt)
 			.setNegativeButton(android.R.string.cancel, null)
 			.setPositiveButton(R.string.clear) { _, _ ->
-				viewLifecycleScope.launch {
-					searchRepository.clearSearchHistory()
-					preference.summary = preference.context.resources
-						.getQuantityString(R.plurals.items, 0, 0)
-					Snackbar.make(
-						view ?: return@launch,
-						R.string.search_history_cleared,
-						Snackbar.LENGTH_SHORT,
-					).show()
-				}
+				viewModel.clearSearchHistory()
 			}.show()
 	}
 
@@ -263,14 +198,7 @@ class UserDataSettingsFragment : BasePreferenceFragment(R.string.data_and_privac
 			.setMessage(R.string.text_clear_cookies_prompt)
 			.setNegativeButton(android.R.string.cancel, null)
 			.setPositiveButton(R.string.clear) { _, _ ->
-				viewLifecycleScope.launch {
-					cookieJar.clear()
-					Snackbar.make(
-						listView ?: return@launch,
-						R.string.cookies_cleared,
-						Snackbar.LENGTH_SHORT,
-					).show()
-				}
+				viewModel.clearCookies()
 			}.show()
 	}
 }

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

@@ -0,0 +1,109 @@
+package org.koitharu.kotatsu.settings
+
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.runInterruptible
+import okhttp3.Cache
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.ui.BaseViewModel
+import org.koitharu.kotatsu.core.ui.util.ReversibleAction
+import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
+import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.local.data.CacheDir
+import org.koitharu.kotatsu.local.data.LocalStorageManager
+import org.koitharu.kotatsu.search.domain.MangaSearchRepository
+import org.koitharu.kotatsu.tracker.domain.TrackingRepository
+import java.util.EnumMap
+import javax.inject.Inject
+
+@HiltViewModel
+class UserDataSettingsViewModel @Inject constructor(
+	private val storageManager: LocalStorageManager,
+	private val httpCache: Cache,
+	private val searchRepository: MangaSearchRepository,
+	private val trackingRepository: TrackingRepository,
+	private val cookieJar: MutableCookieJar,
+) : BaseViewModel() {
+
+	val onActionDone = MutableEventFlow<ReversibleAction>()
+	val loadingKeys = MutableStateFlow(emptySet<String>())
+
+	val searchHistoryCount = MutableStateFlow(-1)
+	val feedItemsCount = MutableStateFlow(-1)
+	val httpCacheSize = MutableStateFlow(-1L)
+	val cacheSizes = EnumMap<CacheDir, MutableStateFlow<Long>>(CacheDir::class.java)
+
+	init {
+		CacheDir.values().forEach {
+			cacheSizes[it] = MutableStateFlow(-1L)
+		}
+		launchJob(Dispatchers.Default) {
+			searchHistoryCount.value = searchRepository.getSearchHistoryCount()
+		}
+		launchJob(Dispatchers.Default) {
+			feedItemsCount.value = trackingRepository.getLogsCount()
+		}
+		CacheDir.values().forEach { cache ->
+			launchJob(Dispatchers.Default) {
+				checkNotNull(cacheSizes[cache]).value = storageManager.computeCacheSize(cache)
+			}
+		}
+		launchJob(Dispatchers.Default) {
+			httpCacheSize.value = runInterruptible { httpCache.size() }
+		}
+	}
+
+	fun clearCache(key: String, cache: CacheDir) {
+		launchJob(Dispatchers.Default) {
+			try {
+				loadingKeys.update { it + key }
+				storageManager.clearCache(cache)
+				checkNotNull(cacheSizes[cache]).value = storageManager.computeCacheSize(cache)
+			} finally {
+				loadingKeys.update { it - key }
+			}
+		}
+	}
+
+	fun clearHttpCache() {
+		launchJob(Dispatchers.Default) {
+			try {
+				loadingKeys.update { it + AppSettings.KEY_HTTP_CACHE_CLEAR }
+				val size = runInterruptible(Dispatchers.IO) {
+					httpCache.evictAll()
+					httpCache.size()
+				}
+				httpCacheSize.value = size
+			} finally {
+				loadingKeys.update { it - AppSettings.KEY_HTTP_CACHE_CLEAR }
+			}
+		}
+	}
+
+	fun clearSearchHistory() {
+		launchJob(Dispatchers.Default) {
+			searchRepository.clearSearchHistory()
+			searchHistoryCount.value = searchRepository.getSearchHistoryCount()
+			onActionDone.call(ReversibleAction(R.string.search_history_cleared, null))
+		}
+	}
+
+	fun clearCookies() {
+		launchJob {
+			cookieJar.clear()
+			onActionDone.call(ReversibleAction(R.string.cookies_cleared, null))
+		}
+	}
+
+	fun clearUpdatesFeed() {
+		launchJob(Dispatchers.Default) {
+			trackingRepository.clearLogs()
+			feedItemsCount.value = trackingRepository.getLogsCount()
+			onActionDone.call(ReversibleAction(R.string.updates_feed_cleared, null))
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/newsources/NewSourcesViewModel.kt

@@ -4,6 +4,9 @@ import androidx.annotation.WorkerThread
 import androidx.core.os.LocaleListCompat
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.cancelAndJoin
+import kotlinx.coroutines.ensureActive
 import kotlinx.coroutines.flow.MutableStateFlow
 import org.koitharu.kotatsu.core.model.getLocaleTitle
 import org.koitharu.kotatsu.core.prefs.AppSettings
@@ -19,18 +22,26 @@ class NewSourcesViewModel @Inject constructor(
 
 	private val initialList = settings.newSources
 	val sources = MutableStateFlow<List<SourceConfigItem>?>(null)
+	private var listUpdateJob: Job? = null
 
 	init {
-		launchJob(Dispatchers.Default) {
+		listUpdateJob = launchJob(Dispatchers.Default) {
 			sources.value = buildList()
 		}
 	}
 
 	fun onItemEnabledChanged(item: SourceConfigItem.SourceItem, isEnabled: Boolean) {
-		if (isEnabled) {
-			settings.hiddenSources -= item.source.name
-		} else {
-			settings.hiddenSources += item.source.name
+		val prevJob = listUpdateJob
+		listUpdateJob = launchJob(Dispatchers.Default) {
+			if (isEnabled) {
+				settings.hiddenSources -= item.source.name
+			} else {
+				settings.hiddenSources += item.source.name
+			}
+			prevJob?.cancelAndJoin()
+			val list = buildList()
+			ensureActive()
+			sources.value = list
 		}
 	}
 
@@ -61,3 +72,4 @@ class NewSourcesViewModel @Inject constructor(
 		}
 	}
 }
+

app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/SourceSettingsFragment.kt

@@ -4,16 +4,15 @@ import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.viewModels
 import androidx.preference.Preference
-import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
+import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
-import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
+import org.koitharu.kotatsu.core.ui.util.ReversibleActionObserver
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
-import org.koitharu.kotatsu.core.util.ext.viewLifecycleScope
 import org.koitharu.kotatsu.core.util.ext.withArgs
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity
@@ -49,10 +48,18 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 				getString(R.string.logged_in_as, it)
 			}
 		}
-		viewModel.onError.observeEvent(viewLifecycleOwner, ::onError)
+		viewModel.onError.observeEvent(
+			viewLifecycleOwner,
+			SnackbarErrorObserver(
+				listView,
+				this,
+				exceptionResolver,
+			) { viewModel.onResume() },
+		)
 		viewModel.isLoading.observe(viewLifecycleOwner) { isLoading ->
 			findPreference<Preference>(KEY_AUTH)?.isEnabled = !isLoading
 		}
+		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ReversibleActionObserver(listView))
 	}
 
 	override fun onPreferenceTreeClick(preference: Preference): Boolean {
@@ -61,32 +68,15 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 				startActivity(SourceAuthActivity.newIntent(preference.context, viewModel.source))
 				true
 			}
+			AppSettings.KEY_COOKIES_CLEAR -> {
+				viewModel.clearCookies()
+				true
+			}
 
 			else -> super.onPreferenceTreeClick(preference)
 		}
 	}
 
-	private fun onError(error: Throwable) {
-		val snackbar = Snackbar.make(
-			listView ?: return,
-			error.getDisplayMessage(resources),
-			Snackbar.LENGTH_INDEFINITE,
-		)
-		if (ExceptionResolver.canResolve(error)) {
-			snackbar.setAction(ExceptionResolver.getResolveStringId(error)) { resolveError(error) }
-		}
-		snackbar.show()
-	}
-
-	private fun resolveError(error: Throwable) {
-		view ?: return
-		viewLifecycleScope.launch {
-			if (exceptionResolver.resolve(error)) {
-				viewModel.onResume()
-			}
-		}
-	}
-
 	companion object {
 
 		private const val KEY_AUTH = "auth"

app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/SourceSettingsViewModel.kt

@@ -5,9 +5,15 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
+import okhttp3.HttpUrl
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
 import org.koitharu.kotatsu.core.ui.BaseViewModel
+import org.koitharu.kotatsu.core.ui.util.ReversibleAction
+import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
+import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.core.util.ext.require
 import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -17,11 +23,13 @@ import javax.inject.Inject
 class SourceSettingsViewModel @Inject constructor(
 	savedStateHandle: SavedStateHandle,
 	mangaRepositoryFactory: MangaRepository.Factory,
+	private val cookieJar: MutableCookieJar,
 ) : BaseViewModel() {
 
 	val source = savedStateHandle.require<MangaSource>(SourceSettingsFragment.EXTRA_SOURCE)
 	val repository = mangaRepositoryFactory.create(source) as RemoteMangaRepository
 
+	val onActionDone = MutableEventFlow<ReversibleAction>()
 	val username = MutableStateFlow<String?>(null)
 	private var usernameLoadJob: Job? = null
 
@@ -35,6 +43,18 @@ class SourceSettingsViewModel @Inject constructor(
 		}
 	}
 
+	fun clearCookies() {
+		launchLoadingJob(Dispatchers.Default) {
+			val url = HttpUrl.Builder()
+				.scheme("https")
+				.host(repository.domain)
+				.build()
+			cookieJar.removeCookies(url)
+			onActionDone.call(ReversibleAction(R.string.cookies_cleared, null))
+			loadUsername()
+		}
+	}
+
 	private fun loadUsername() {
 		launchLoadingJob(Dispatchers.Default) {
 			try {

app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/auth/SourceAuthActivity.kt

@@ -6,6 +6,7 @@ import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import android.view.MenuItem
+import android.webkit.CookieManager
 import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContract
 import androidx.core.graphics.Insets
@@ -27,6 +28,7 @@ import org.koitharu.kotatsu.core.util.ext.getSerializableExtraCompat
 import org.koitharu.kotatsu.databinding.ActivityBrowserBinding
 import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.network.UserAgents
 import javax.inject.Inject
 import com.google.android.material.R as materialR
 
@@ -66,8 +68,11 @@ class SourceAuthActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallba
 		}
 		with(viewBinding.webView.settings) {
 			javaScriptEnabled = true
-			userAgentString = CommonHeadersInterceptor.userAgentChrome
+			domStorageEnabled = true
+			databaseEnabled = true
+			userAgentString = UserAgents.CHROME_MOBILE
 		}
+		CookieManager.getInstance().setAcceptThirdPartyCookies(viewBinding.webView, true)
 		viewBinding.webView.webViewClient = BrowserClient(this)
 		viewBinding.webView.webChromeClient = ProgressChromeClient(viewBinding.progressBar)
 		onBackPressedCallback = WebViewBackPressedCallback(viewBinding.webView)

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

@@ -0,0 +1,21 @@
+package org.koitharu.kotatsu.settings.storage
+
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.util.ext.textAndVisible
+import org.koitharu.kotatsu.databinding.ItemStorageBinding
+
+fun directoryAD(
+	clickListener: OnListItemClickListener<DirectoryModel>,
+) = adapterDelegateViewBinding<DirectoryModel, DirectoryModel, ItemStorageBinding>(
+	{ layoutInflater, parent -> ItemStorageBinding.inflate(layoutInflater, parent, false) },
+) {
+
+	binding.root.setOnClickListener { v -> clickListener.onItemClick(item, v) }
+
+	bind {
+		binding.textViewTitle.text = item.title ?: getString(item.titleRes)
+		binding.textViewSubtitle.textAndVisible = item.file?.absolutePath
+		binding.imageViewIndicator.isChecked = item.isChecked
+	}
+}

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

@@ -0,0 +1,22 @@
+package org.koitharu.kotatsu.settings.storage
+
+import androidx.recyclerview.widget.DiffUtil.ItemCallback
+
+class DirectoryDiffCallback : ItemCallback<DirectoryModel>() {
+
+	override fun areItemsTheSame(oldItem: DirectoryModel, newItem: DirectoryModel): Boolean {
+		return oldItem.file == newItem.file
+	}
+
+	override fun areContentsTheSame(oldItem: DirectoryModel, newItem: DirectoryModel): Boolean {
+		return oldItem == newItem
+	}
+
+	override fun getChangePayload(oldItem: DirectoryModel, newItem: DirectoryModel): Any? {
+		return if (oldItem.isChecked != newItem.isChecked) {
+			Unit
+		} else {
+			super.getChangePayload(oldItem, newItem)
+		}
+	}
+}

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

@@ -0,0 +1,36 @@
+package org.koitharu.kotatsu.settings.storage
+
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.list.ui.model.ListModel
+import java.io.File
+
+class DirectoryModel(
+	val title: String?,
+	@StringRes val titleRes: Int,
+	val file: File?,
+	val isChecked: Boolean,
+	val isAvailable: Boolean,
+) : ListModel {
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as DirectoryModel
+
+		if (title != other.title) return false
+		if (titleRes != other.titleRes) return false
+		if (file != other.file) return false
+		if (isChecked != other.isChecked) return false
+		return isAvailable == other.isAvailable
+	}
+
+	override fun hashCode(): Int {
+		var result = title?.hashCode() ?: 0
+		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

@@ -0,0 +1,81 @@
+package org.koitharu.kotatsu.settings.storage
+
+import android.Manifest
+import android.os.Build
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.viewModels
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
+import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.exceptions.resolve.ToastErrorObserver
+import org.koitharu.kotatsu.core.ui.AlertDialogFragment
+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.core.util.ext.showDistinct
+import org.koitharu.kotatsu.databinding.DialogDirectorySelectBinding
+
+@AndroidEntryPoint
+class MangaDirectorySelectDialog : AlertDialogFragment<DialogDirectorySelectBinding>(),
+	OnListItemClickListener<DirectoryModel> {
+
+	private val viewModel: MangaDirectorySelectViewModel 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.refresh()
+			pickFileTreeLauncher.launch(null)
+		}
+	}
+
+	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): DialogDirectorySelectBinding {
+		return DialogDirectorySelectBinding.inflate(inflater, container, false)
+	}
+
+	override fun onViewBindingCreated(binding: DialogDirectorySelectBinding, savedInstanceState: Bundle?) {
+		super.onViewBindingCreated(binding, savedInstanceState)
+		val adapter = AsyncListDifferDelegationAdapter(DirectoryDiffCallback(), directoryAD(this))
+		binding.root.adapter = adapter
+		viewModel.items.observe(viewLifecycleOwner) { adapter.items = it }
+		viewModel.onDismissDialog.observeEvent(viewLifecycleOwner) { dismiss() }
+		viewModel.onPickDirectory.observeEvent(viewLifecycleOwner) { pickCustomDirectory() }
+		viewModel.onError.observeEvent(viewLifecycleOwner, ToastErrorObserver(binding.root, this))
+	}
+
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder)
+			.setCancelable(true)
+			.setTitle(R.string.manga_save_location)
+			.setNegativeButton(android.R.string.cancel, null)
+	}
+
+	override fun onItemClick(item: DirectoryModel, view: View) {
+		viewModel.onItemClick(item)
+	}
+
+	private fun pickCustomDirectory() {
+		permissionRequestLauncher.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+	}
+
+	companion object {
+
+		private const val TAG = "MangaDirectorySelectDialog"
+
+		fun show(fm: FragmentManager) = MangaDirectorySelectDialog()
+			.showDistinct(fm, TAG)
+	}
+}

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

@@ -0,0 +1,80 @@
+package org.koitharu.kotatsu.settings.storage
+
+import android.net.Uri
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import okio.FileNotFoundException
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.ui.BaseViewModel
+import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
+import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.local.data.LocalStorageManager
+import javax.inject.Inject
+
+@HiltViewModel
+class MangaDirectorySelectViewModel @Inject constructor(
+	private val storageManager: LocalStorageManager,
+	private val settings: AppSettings,
+) : BaseViewModel() {
+
+	val items = MutableStateFlow(emptyList<DirectoryModel>())
+	val onDismissDialog = MutableEventFlow<Unit>()
+	val onPickDirectory = MutableEventFlow<Unit>()
+
+	init {
+		refresh()
+	}
+
+	fun onItemClick(item: DirectoryModel) {
+		if (item.file != null) {
+			settings.mangaStorageDir = item.file
+			onDismissDialog.call(Unit)
+		} else {
+			onPickDirectory.call(Unit)
+		}
+	}
+
+	fun onCustomDirectoryPicked(uri: Uri) {
+		launchJob(Dispatchers.Default) {
+			storageManager.takePermissions(uri)
+			val dir = requireNotNull(storageManager.resolveUri(uri)) {
+				"Cannot resolve file name of \"$uri\""
+			}
+			if (!dir.canWrite()) {
+				throw AccessDeniedException(dir)
+			}
+			if (dir !in storageManager.getApplicationStorageDirs()) {
+				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/RequestStorageManagerPermissionContract.kt

@@ -0,0 +1,34 @@
+package org.koitharu.kotatsu.settings.storage
+
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Environment
+import android.provider.Settings
+import androidx.activity.result.contract.ActivityResultContract
+import androidx.annotation.RequiresApi
+import androidx.core.net.toUri
+
+
+@RequiresApi(Build.VERSION_CODES.R)
+class RequestStorageManagerPermissionContract : ActivityResultContract<String, Boolean>() {
+
+	override fun createIntent(context: Context, input: String): Intent {
+		val intent = Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION)
+		intent.addCategory("android.intent.category.DEFAULT")
+		intent.data = "package:${context.packageName}".toUri()
+		return intent
+	}
+
+	override fun parseResult(resultCode: Int, intent: Intent?): Boolean {
+		return Environment.isExternalStorageManager()
+	}
+
+	override fun getSynchronousResult(context: Context, input: String): SynchronousResult<Boolean>? {
+		return if (Environment.isExternalStorageManager()) {
+			SynchronousResult(true)
+		} else {
+			null
+		}
+	}
+}

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 +1,87 @@
+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 = requireNotNull(storageManager.resolveUri(uri)) {
+				"Cannot resolve file name of \"$uri\""
+			}
+			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/kotlin/org/koitharu/kotatsu/settings/utils/MultiSummaryProvider.kt

@@ -13,8 +13,9 @@ class MultiSummaryProvider(@StringRes private val emptySummaryId: Int) :
 			return preference.context.getString(emptySummaryId)
 		} else {
 			values.joinToString(", ") {
-				preference.entries[preference.findIndexOfValue(it)]
+				preference.entries.getOrNull(preference.findIndexOfValue(it))
+					?: preference.context.getString(androidx.preference.R.string.not_set)
 			}
 		}
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/shelf/domain/ShelfContentObserveUseCase.kt

@@ -4,6 +4,7 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
@@ -11,6 +12,7 @@ import kotlinx.coroutines.flow.mapLatest
 import kotlinx.coroutines.flow.onStart
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.model.FavouriteCategory
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.favourites.data.FavouriteCategoryEntity
 import org.koitharu.kotatsu.favourites.data.toFavouriteCategory
 import org.koitharu.kotatsu.favourites.data.toMangaList
@@ -32,6 +34,7 @@ class ShelfContentObserveUseCase @Inject constructor(
 	private val trackingRepository: TrackingRepository,
 	private val suggestionRepository: SuggestionRepository,
 	private val db: MangaDatabase,
+	private val settings: AppSettings,
 	@LocalStorageChanges private val localStorageChanges: SharedFlow<LocalManga?>,
 ) {
 
@@ -46,7 +49,10 @@ class ShelfContentObserveUseCase @Inject constructor(
 	}
 
 	private fun observeLocalManga(sortOrder: SortOrder, limit: Int): Flow<List<Manga>> {
-		return localStorageChanges
+		return combine<LocalManga?, String, Any?>(
+			localStorageChanges,
+			settings.observe().filter { it == AppSettings.KEY_LOCAL_MANGA_DIRS }.onStart { emit("") }
+		) { a, b -> a to b }
 			.onStart { emit(null) }
 			.mapLatest {
 				localMangaRepository.getList(0, null, sortOrder).take(limit)

app/src/main/kotlin/org/koitharu/kotatsu/suggestions/ui/SuggestionsWorker.kt

@@ -109,7 +109,7 @@ class SuggestionsWorker @AssistedInject constructor(
 			.setPriority(NotificationCompat.PRIORITY_MIN)
 			.setCategory(NotificationCompat.CATEGORY_SERVICE)
 			.setDefaults(0)
-			.setOngoing(true)
+			.setOngoing(false)
 			.setSilent(true)
 			.setProgress(0, 0, true)
 			.setSmallIcon(android.R.drawable.stat_notify_sync)

app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TrackEntity.kt

@@ -13,9 +13,9 @@ import org.koitharu.kotatsu.core.db.entity.MangaEntity
 			entity = MangaEntity::class,
 			parentColumns = ["manga_id"],
 			childColumns = ["manga_id"],
-			onDelete = ForeignKey.CASCADE
-		)
-	]
+			onDelete = ForeignKey.CASCADE,
+		),
+	],
 )
 class TrackEntity(
 	@PrimaryKey(autoGenerate = false)
@@ -27,4 +27,4 @@ class TrackEntity(
 	@ColumnInfo(name = "last_check") val lastCheck: Long,
 	@get:Deprecated(message = "Should not be used", level = DeprecationLevel.ERROR)
 	@ColumnInfo(name = "last_notified_id") val lastNotifiedChapterId: Long
-)
+)

app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TracksDao.kt

@@ -43,6 +43,9 @@ abstract class TracksDao {
 	@Query("UPDATE tracks SET chapters_new = 0")
 	abstract suspend fun clearCounters()
 
+	@Query("UPDATE tracks SET chapters_new = 0 WHERE manga_id = :mangaId")
+	abstract suspend fun clearCounter(mangaId: Long)
+
 	@Query("DELETE FROM tracks WHERE manga_id = :mangaId")
 	abstract suspend fun delete(mangaId: Long)
 

app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/TrackingRepository.kt

@@ -126,6 +126,18 @@ class TrackingRepository @Inject constructor(
 		}
 	}
 
+	suspend fun clearUpdates(ids: Collection<Long>) {
+		when {
+			ids.isEmpty() -> return
+			ids.size == 1 -> db.tracksDao.clearCounter(ids.single())
+			else -> db.withTransaction {
+				for (id in ids) {
+					db.tracksDao.clearCounter(id)
+				}
+			}
+		}
+	}
+
 	suspend fun syncWithHistory(manga: Manga, chapterId: Long) {
 		val chapters = manga.chapters ?: return
 		val chapterIndex = chapters.indexOfFirst { x -> x.id == chapterId }

app/src/main/kotlin/org/koitharu/kotatsu/tracker/ui/updates/UpdatesFragment.kt

@@ -1,7 +1,12 @@
 package org.koitharu.kotatsu.tracker.ui.updates
 
+import android.view.Menu
+import android.view.MenuItem
+import androidx.appcompat.view.ActionMode
 import androidx.fragment.app.viewModels
 import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 
 @AndroidEntryPoint
@@ -12,6 +17,22 @@ class UpdatesFragment : MangaListFragment() {
 
 	override fun onScrolledToEnd() = Unit
 
+	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
+		mode.menuInflater.inflate(R.menu.mode_updates, menu)
+		return super.onCreateActionMode(controller, mode, menu)
+	}
+
+	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
+		return when (item.itemId) {
+			R.id.action_remove -> {
+				viewModel.remove(controller.snapshot())
+				true
+			}
+
+			else -> super.onActionItemClicked(controller, mode, item)
+		}
+	}
+
 	companion object {
 
 		fun newInstance() = UpdatesFragment()

app/src/main/kotlin/org/koitharu/kotatsu/tracker/ui/updates/UpdatesViewModel.kt

@@ -59,4 +59,10 @@ class UpdatesViewModel @Inject constructor(
 	override fun onRefresh() = Unit
 
 	override fun onRetry() = Unit
+
+	fun remove(ids: Set<Long>) {
+		launchJob(Dispatchers.Default) {
+			repository.clearUpdates(ids)
+		}
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/tracker/work/TrackWorker.kt

@@ -221,7 +221,7 @@ class TrackWorker @AssistedInject constructor(
 			.setPriority(NotificationCompat.PRIORITY_MIN)
 			.setCategory(NotificationCompat.CATEGORY_SERVICE)
 			.setDefaults(0)
-			.setOngoing(true)
+			.setOngoing(false)
 			.setSilent(true)
 			.setProgress(0, 0, true)
 			.setSmallIcon(android.R.drawable.stat_notify_sync)

app/src/main/kotlin/org/koitharu/kotatsu/widget/recent/RecentListFactory.kt

@@ -37,7 +37,7 @@ class RecentListFactory(
 
 	override fun getLoadingView() = null
 
-	override fun getItemId(position: Int) = dataSet[position].id
+	override fun getItemId(position: Int) = dataSet.getOrNull(position)?.id ?: 0L
 
 	override fun onDataSetChanged() {
 		val data = runBlocking { historyRepository.getList(0, 10) }
@@ -48,7 +48,7 @@ class RecentListFactory(
 
 	override fun getViewAt(position: Int): RemoteViews {
 		val views = RemoteViews(context.packageName, R.layout.item_recent)
-		val item = dataSet[position]
+		val item = dataSet.getOrNull(position) ?: return views
 		runCatching {
 			coil.executeBlocking(
 				ImageRequest.Builder(context)

app/src/main/kotlin/org/koitharu/kotatsu/widget/shelf/ShelfListFactory.kt

@@ -40,7 +40,7 @@ class ShelfListFactory(
 
 	override fun getLoadingView() = null
 
-	override fun getItemId(position: Int) = dataSet[position].id
+	override fun getItemId(position: Int) = dataSet.getOrNull(position)?.id ?: 0L
 
 	override fun onDataSetChanged() {
 		val data = runBlocking {
@@ -58,7 +58,7 @@ class ShelfListFactory(
 
 	override fun getViewAt(position: Int): RemoteViews {
 		val views = RemoteViews(context.packageName, R.layout.item_shelf)
-		val item = dataSet[position]
+		val item = dataSet.getOrNull(position) ?: return views
 		views.setTextViewText(R.id.textView_title, item.title)
 		runCatching {
 			coil.executeBlocking(

app/src/main/res/drawable/ic_list_end.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="?colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#000000"
+		android:pathData="M17,12A5,5 0 0,1 12,17A5,5 0 0,1 7,12C7,9.58 8.72,7.56 11,7.1V3H13V7.1C15.28,7.56 17,9.58 17,12M12,9A3,3 0 0,0 9,12A3,3 0 0,0 12,15A3,3 0 0,0 15,12A3,3 0 0,0 12,9Z" />
+</vector>

app/src/main/res/drawable/ic_list_next.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="?colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#000000"
+		android:pathData="M7,12A5,5 0 0,1 12,7A5,5 0 0,1 17,12C17,14.42 15.28,16.44 13,16.9V21H11V16.9C8.72,16.44 7,14.42 7,12M12,15A3,3 0 0,0 15,12A3,3 0 0,0 12,9A3,3 0 0,0 9,12A3,3 0 0,0 12,15M13,3V5H11V3H13Z" />
+</vector>

app/src/main/res/drawable/ic_list_start.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="?colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#000000"
+		android:pathData="M12,7A5,5 0 0,1 17,12C17,14.42 15.28,16.44 13,16.9V21H11V16.9C8.72,16.44 7,14.42 7,12A5,5 0 0,1 12,7M12,9A3,3 0 0,0 9,12A3,3 0 0,0 12,15A3,3 0 0,0 15,12A3,3 0 0,0 12,9Z" />
+</vector>

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

@@ -0,0 +1,11 @@
+<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="#FF000000"
+		android:pathData="M5 3A2 2 0 0 0 3 5H5M7 3V5H9V3M11 3V5H13V3M15 3V5H17V3M19 3V5H21A2 2 0 0 0 19 3M3 7V9H5V7M7 7V11H11V7M13 7V11H17V7M19 7V9H21V7M3 11V13H5V11M19 11V13H21V11M7 13V17H11V13M13 13V17H17V13M3 15V17H5V15M19 15V17H21V15M3 19A2 2 0 0 0 5 21V19M7 19V21H9V19M11 19V21H13V19M15 19V21H17V19M19 19V21A2 2 0 0 0 21 19Z" />
+</vector>

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/activity_reader.xml

@@ -93,8 +93,7 @@
 			android:id="@+id/progressBar"
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"
-			android:indeterminate="true"
-			app:trackCornerRadius="@dimen/mtrl_progress_indicator_full_rounded_corner_radius" />
+			android:indeterminate="true" />
 
 		<TextView
 			android:id="@+id/textView_loading"

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

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.recyclerview.widget.RecyclerView
+	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:id="@+id/recyclerView"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:orientation="vertical"
+	android:scrollIndicators="top|bottom"
+	android:scrollbars="vertical"
+	app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+	tools:ignore="UnusedAttribute" />

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

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<org.koitharu.kotatsu.core.ui.widgets.TwoLinesItemView
+	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:id="@+id/button_file"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:drawablePadding="?android:listPreferredItemPaddingStart"
+	android:minHeight="?android:listPreferredItemHeightSmall"
+	android:paddingStart="?android:listPreferredItemPaddingStart"
+	android:paddingEnd="?android:listPreferredItemPaddingEnd"
+	tools:subtitle="@string/chapters"
+	tools:title="@string/download_option_whole_manga" />
+

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

@@ -1,48 +1,46 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
+<LinearLayout
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:tools="http://schemas.android.com/tools"
 	android:layout_width="match_parent"
 	android:layout_height="wrap_content"
 	android:background="?selectableItemBackground"
-	android:minHeight="?listPreferredItemHeightLarge"
+	android:gravity="center_vertical"
+	android:minHeight="?listPreferredItemHeight"
+	android:orientation="horizontal"
+	android:paddingVertical="12dp"
 	android:paddingStart="?listPreferredItemPaddingStart"
-	android:paddingTop="16dp"
-	android:paddingEnd="?listPreferredItemPaddingEnd"
-	android:paddingBottom="16dp">
+	android:paddingEnd="?listPreferredItemPaddingEnd">
 
 	<org.koitharu.kotatsu.core.ui.widgets.CheckableImageView
 		android:id="@+id/imageView_indicator"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
-		android:layout_alignParentStart="true"
-		android:layout_centerVertical="true"
 		android:src="?android:listChoiceIndicatorSingle"
 		tools:ignore="TouchTargetSizeCheck" />
 
-	<TextView
-		android:id="@+id/textView_title"
-		android:layout_width="0dp"
+	<LinearLayout
+		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
-		android:layout_alignParentEnd="true"
 		android:layout_marginStart="?listPreferredItemPaddingStart"
-		android:layout_toEndOf="@id/imageView_indicator"
-		android:ellipsize="end"
-		android:maxLines="1"
-		android:textAppearance="?attr/textAppearanceTitleSmall"
-		tools:text="@tools:sample/lorem[3]" />
+		android:orientation="vertical">
 
-	<TextView
-		android:id="@+id/textView_subtitle"
-		android:layout_width="0dp"
-		android:layout_height="wrap_content"
-		android:layout_below="@id/textView_title"
-		android:layout_alignParentEnd="true"
-		android:layout_marginStart="?listPreferredItemPaddingStart"
-		android:layout_marginTop="6dp"
-		android:layout_toEndOf="@id/imageView_indicator"
-		android:ellipsize="end"
-		android:textAppearance="?attr/textAppearanceBodyMedium"
-		tools:text="@tools:sample/lorem[20]" />
+		<TextView
+			android:id="@+id/textView_title"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:ellipsize="end"
+			android:singleLine="true"
+			android:textAppearance="?attr/textAppearanceTitleSmall"
+			tools:text="@tools:sample/lorem[3]" />
 
-</RelativeLayout>
+		<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>
+</LinearLayout>

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/mode_updates.xml

@@ -0,0 +1,29 @@
+<?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/action_share"
+		android:icon="?actionModeShareDrawable"
+		android:title="@string/share"
+		app:showAsAction="ifRoom|withText" />
+
+	<item
+		android:id="@+id/action_remove"
+		android:icon="@drawable/ic_delete"
+		android:title="@string/delete"
+		app:showAsAction="ifRoom|withText" />
+
+	<item
+		android:id="@+id/action_save"
+		android:icon="@drawable/ic_save"
+		android:title="@string/save"
+		app:showAsAction="ifRoom|withText" />
+
+	<item
+		android:id="@+id/action_select_all"
+		android:icon="?actionModeSelectAllDrawable"
+		android:title="@android:string/selectAll"
+		app:showAsAction="ifRoom|withText" />
+</menu>

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

@@ -20,7 +20,7 @@
 	<item
 		android:id="@+id/action_save"
 		android:orderInCategory="40"
-		android:title="@string/save"
+		android:title="@string/download"
 		android:visible="false"
 		app:showAsAction="never" />
 

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

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

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

@@ -1,77 +1,77 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-	<string name="detailed_list">تفاصيل القائمة</string>
-	<string name="error_occurred">حدث خطأ</string>
-	<string name="details">تفاصيل</string>
-	<string name="grid">شبكة</string>
-	<string name="list_mode">وضع القائمة</string>
-	<string name="settings">إعدادات</string>
-	<string name="remote_sources">المصادر البعيدة</string>
-	<string name="chapters">فصول</string>
-	<string name="favourites">المفضلة</string>
-	<string name="network_error">‌خطاء في الشبكة</string>
-	<string name="loading_">جار التحميل…</string>
-	<string name="chapter_d_of_d">فصل %1$d في %2$d</string>
-	<string name="close">غلق</string>
-	<string name="try_again">حاول مجدداً</string>
-	<string name="computing_">جاري الحوسبة …</string>
-	<string name="local_storage">التخزين المحلي</string>
-	<string name="history">سجل</string>
-	<string name="list">قائمة</string>
-	<string name="clear_history">محو سجل</string>
-	<string name="add_to_favourites">ضع هذا في المفضلة</string>
-	<string name="add">أضف</string>
-	<string name="save">حفظ</string>
-	<string name="history_is_empty">لا سجل بعد</string>
-	<string name="downloads">التحميلات</string>
-	<string name="by_name">اسم</string>
-	<string name="newest">الأحدث</string>
-	<string name="by_rating">تقييم</string>
-	<string name="pages">صفحات</string>
-	<string name="read">اقرأ</string>
-	<string name="share">شارك</string>
-	<string name="nothing_found">لم يتم عثور على اي شيء</string>
-	<string name="you_have_not_favourites_yet">لا مفضلة بعد</string>
-	<string name="search">بحث</string>
-	<string name="search_manga">البحث في المانجا</string>
-	<string name="manga_downloading_">جاري التنزيل…</string>
-	<string name="create_shortcut">انشاء اختصار…</string>
-	<string name="theme">مظهر</string>
-	<string name="automatic">حسب النظام</string>
-	<string name="share_s">شارك %s</string>
-	<string name="processing_">في طور معالجة…</string>
-	<string name="updated">محدث</string>
-	<string name="filter">فلتر</string>
-	<string name="sort_order">ترتيب الفرز</string>
-	<string name="light">ضوء</string>
-	<string name="dark">داكن</string>
-	<string name="clear">أزل</string>
-	<string name="remove">ازالة</string>
-	<string name="popular">شائع</string>
-	<string name="add_new_category">قائمة جديدة</string>
-	<string name="download_complete">تم التنزيل</string>
-	<string name="text_clear_history_prompt">هل تريد محو سجل القراءة بالكامل بشكل دائم؟</string>
-	<string name="save_page">احفظ الصفحة</string>
-	<string name="page_saved">حفظت</string>
-	<string name="standard">اساسي</string>
-	<string name="no_description">لا يوجد وصف</string>
-	<string name="clear_pages_cache">مسح ذاكرة التخزين المؤقت للصفحة</string>
-	<string name="webtoon">ويبتون</string>
-	<string name="read_mode">وضع القراءة</string>
-	<string name="search_on_s">بحث على %s</string>
-	<string name="delete_manga">حذف المانغا</string>
-	<string name="text_delete_local_manga">حذف \"%s\" من الجهاز نهائيا؟</string>
-	<string name="reader_settings">إعدادات القراءة</string>
-	<string name="switch_pages">تغییر صفحات</string>
-	<string name="delete">حذف</string>
-	<string name="share_image">شارك الصورة</string>
-	<string name="text_file_not_supported">إما أن تختار ملف ZIP أو CBZ.</string>
-	<string name="_import">استورد</string>
-	<string name="operation_not_supported">هذا خيار غير مدعم</string>
-	<string name="grid_size">حجم الشبكة</string>
-	<string name="volume_buttons">أزرار الصوت</string>
-	<string name="taps_on_edges">النقر على حواف الشاشة</string>
-	<string name="_continue">يكمل</string>
-	<string name="error">خطاء</string>
-	<string name="clear_search_history">مسح تاريخ البحث</string>
-</resources>
+    <string name="detailed_list">تفاصيل القائمة</string>
+    <string name="error_occurred">حدث خطأ</string>
+    <string name="details">تفاصيل</string>
+    <string name="grid">شبكة</string>
+    <string name="list_mode">وضع القائمة</string>
+    <string name="settings">إعدادات</string>
+    <string name="remote_sources">مصادر المانجا</string>
+    <string name="chapters">فصول</string>
+    <string name="favourites">المفضلة</string>
+    <string name="network_error">‌خطاء في الشبكة</string>
+    <string name="loading_">جار التحميل…</string>
+    <string name="chapter_d_of_d">فصل %1$d في %2$d</string>
+    <string name="close">غلق</string>
+    <string name="try_again">حاول مجدداً</string>
+    <string name="computing_">جاري الحوسبة …</string>
+    <string name="local_storage">التخزين المحلي</string>
+    <string name="history">سجل</string>
+    <string name="list">قائمة</string>
+    <string name="clear_history">محو سجل</string>
+    <string name="add_to_favourites">ضع هذا في المفضلة</string>
+    <string name="add">أضف</string>
+    <string name="save">حفظ</string>
+    <string name="history_is_empty">لا سجل بعد</string>
+    <string name="downloads">التحميلات</string>
+    <string name="by_name">اسم</string>
+    <string name="newest">الأحدث</string>
+    <string name="by_rating">تقييم</string>
+    <string name="pages">صفحات</string>
+    <string name="read">اقرأ</string>
+    <string name="share">شارك</string>
+    <string name="nothing_found">لم يتم عثور على اي شيء</string>
+    <string name="you_have_not_favourites_yet">لا مفضلة بعد</string>
+    <string name="search">بحث</string>
+    <string name="search_manga">البحث في المانجا</string>
+    <string name="manga_downloading_">جاري التنزيل…</string>
+    <string name="create_shortcut">انشاء اختصار…</string>
+    <string name="theme">مظهر</string>
+    <string name="automatic">حسب النظام</string>
+    <string name="share_s">شارك %s</string>
+    <string name="processing_">في طور معالجة…</string>
+    <string name="updated">محدث</string>
+    <string name="filter">فلتر</string>
+    <string name="sort_order">ترتيب الفرز</string>
+    <string name="light">ضوء</string>
+    <string name="dark">داكن</string>
+    <string name="clear">أزل</string>
+    <string name="remove">ازالة</string>
+    <string name="popular">شائع</string>
+    <string name="add_new_category">قائمة جديدة</string>
+    <string name="download_complete">تم التنزيل</string>
+    <string name="text_clear_history_prompt">هل تريد محو سجل القراءة بالكامل بشكل دائم؟</string>
+    <string name="save_page">احفظ الصفحة</string>
+    <string name="page_saved">حفظت</string>
+    <string name="standard">اساسي</string>
+    <string name="no_description">لا يوجد وصف</string>
+    <string name="clear_pages_cache">مسح ذاكرة التخزين المؤقت للصفحة</string>
+    <string name="webtoon">ويبتون</string>
+    <string name="read_mode">وضع القراءة</string>
+    <string name="search_on_s">بحث على %s</string>
+    <string name="delete_manga">حذف المانغا</string>
+    <string name="text_delete_local_manga">حذف \"%s\" من الجهاز نهائيا؟</string>
+    <string name="reader_settings">إعدادات القراءة</string>
+    <string name="switch_pages">تغییر صفحات</string>
+    <string name="delete">حذف</string>
+    <string name="share_image">شارك الصورة</string>
+    <string name="text_file_not_supported">إما أن تختار ملف ZIP أو CBZ.</string>
+    <string name="_import">استورد</string>
+    <string name="operation_not_supported">هذا خيار غير مدعم</string>
+    <string name="grid_size">حجم الشبكة</string>
+    <string name="volume_buttons">أزرار الصوت</string>
+    <string name="taps_on_edges">النقر على حواف الشاشة</string>
+    <string name="_continue">يكمل</string>
+    <string name="error">خطاء</string>
+    <string name="clear_search_history">مسح تاريخ البحث</string>
+</resources>