Address some deprecation warnings

app/src/main/java/eu/kanade/tachiyomi/source/online/UrlImportableSource.kt

@@ -9,7 +9,7 @@ interface UrlImportableSource : Source {
     val matchingHosts: List<String>
 
     fun matchesUri(uri: Uri): Boolean {
-        return uri.host.orEmpty().toLowerCase() in matchingHosts
+        return uri.host.orEmpty().lowercase() in matchingHosts
     }
 
     fun mapUrlToChapterUrl(uri: Uri): String? = null

app/src/main/java/eu/kanade/tachiyomi/source/online/all/EHentai.kt

@@ -193,7 +193,7 @@ class EHentai(
                         genre = getGenre(
                             genreString = parsedGenre?.text()
                                 ?.nullIfBlank()
-                                ?.toLowerCase()
+                                ?.lowercase()
                                 ?.replace(" ", "")
                         )
 
@@ -306,7 +306,7 @@ class EHentai(
                 doc = client.newCall(exGet(baseUrl + url)).await().asJsoup()
 
                 val parentLink = doc.select("#gdd .gdt1").find { el ->
-                    el.text().toLowerCase() == "parent:"
+                    el.text().lowercase() == "parent:"
                 }!!.nextElementSibling().selectFirst("a")?.attr("href")
 
                 if (parentLink != null) {
@@ -335,7 +335,7 @@ class EHentai(
             number = 1f,
             dateUpload = MetadataUtil.EX_DATE_FORMAT.parse(
                 doc.select("#gdd .gdt1").find { el ->
-                    el.text().toLowerCase() == "posted:"
+                    el.text().lowercase() == "posted:"
                 }!!.nextElementSibling().text()
             )!!.time
         )
@@ -593,7 +593,7 @@ class EHentai(
                     val right = rightElement.text().trimOrNull()
                     if (left != null && right != null) {
                         ignore {
-                            when (left.removeSuffix(":").toLowerCase()) {
+                            when (left.removeSuffix(":").lowercase()) {
                                 "posted" -> datePosted = MetadataUtil.EX_DATE_FORMAT.parse(right)!!.time
                                 // Example gallery with parent: https://e-hentai.org/g/1390451/7f181c2426/
                                 // Example JP gallery: https://exhentai.org/g/1375385/03519d541b/

app/src/main/java/eu/kanade/tachiyomi/source/online/all/Hitomi.kt

@@ -58,7 +58,7 @@ class Hitomi(delegate: HttpSource, val context: Context) :
 
             input.select(".gallery-info tr").forEach { galleryInfoElement ->
                 val content = galleryInfoElement.child(1)
-                when (galleryInfoElement.child(0).text().toLowerCase()) {
+                when (galleryInfoElement.child(0).text().lowercase()) {
                     "group" -> {
                         group = content.text()
                         tags += RaisedTag("group", group!!, RaisedSearchMetadata.TAG_TYPE_VIRTUAL)
@@ -114,7 +114,7 @@ class Hitomi(delegate: HttpSource, val context: Context) :
         }
     }
 
-    override fun toString() = "$name (${lang.toUpperCase()})"
+    override fun toString() = "$name (${lang.uppercase()})"
 
     override fun ensureDelegateCompatible() {
         if (versionId != delegate.versionId) {
@@ -127,7 +127,7 @@ class Hitomi(delegate: HttpSource, val context: Context) :
     )
 
     override suspend fun mapUrlToMangaUrl(uri: Uri): String? {
-        val lcFirstPathSegment = uri.pathSegments.firstOrNull()?.toLowerCase() ?: return null
+        val lcFirstPathSegment = uri.pathSegments.firstOrNull()?.lowercase() ?: return null
 
         if (lcFirstPathSegment != "manga" && lcFirstPathSegment != "reader") {
             return null

app/src/main/java/eu/kanade/tachiyomi/source/online/all/NHentai.kt

@@ -148,7 +148,7 @@ class NHentai(delegate: HttpSource, val context: Context) :
         val count: Long? = null
     )
 
-    override fun toString() = "$name (${lang.toUpperCase()})"
+    override fun toString() = "$name (${lang.uppercase()})"
 
     override fun ensureDelegateCompatible() {
         if (versionId != delegate.versionId) {
@@ -161,7 +161,7 @@ class NHentai(delegate: HttpSource, val context: Context) :
     )
 
     override suspend fun mapUrlToMangaUrl(uri: Uri): String? {
-        if (uri.pathSegments.firstOrNull()?.toLowerCase() != "g") {
+        if (uri.pathSegments.firstOrNull()?.lowercase() != "g") {
             return null
         }
 

app/src/main/java/eu/kanade/tachiyomi/source/online/all/PervEden.kt

@@ -58,14 +58,14 @@ class PervEden(delegate: HttpSource, val context: Context) :
             tags.clear()
             var inStatus: String? = null
             rightBoxElement.childNodes().forEach {
-                if (it is Element && it.tagName().toLowerCase() == "h4") {
+                if (it is Element && it.tagName().lowercase() == "h4") {
                     inStatus = it.text().trim()
                 } else {
                     when (inStatus) {
                         "Alternative name(s)" -> {
                             if (it is TextNode) {
                                 val text = it.text().trim()
-                                if (!text.isBlank()) {
+                                if (text.isNotBlank()) {
                                     newAltTitles += text
                                 }
                             }
@@ -75,7 +75,7 @@ class PervEden(delegate: HttpSource, val context: Context) :
                                 artist = it.text()
                                 tags += RaisedTag(
                                     "artist",
-                                    it.text().toLowerCase(),
+                                    it.text().lowercase(),
                                     RaisedSearchMetadata.TAG_TYPE_VIRTUAL
                                 )
                             }
@@ -84,7 +84,7 @@ class PervEden(delegate: HttpSource, val context: Context) :
                             if (it is Element && it.tagName() == "a") {
                                 tags += RaisedTag(
                                     null,
-                                    it.text().toLowerCase(),
+                                    it.text().lowercase(),
                                     PervEdenSearchMetadata.TAG_TYPE_DEFAULT
                                 )
                             }
@@ -92,7 +92,7 @@ class PervEden(delegate: HttpSource, val context: Context) :
                         "Type" -> {
                             if (it is TextNode) {
                                 val text = it.text().trim()
-                                if (!text.isBlank()) {
+                                if (text.isNotBlank()) {
                                     genre = text
                                 }
                             }
@@ -100,7 +100,7 @@ class PervEden(delegate: HttpSource, val context: Context) :
                         "Status" -> {
                             if (it is TextNode) {
                                 val text = it.text().trim()
-                                if (!text.isBlank()) {
+                                if (text.isNotBlank()) {
                                     status = text
                                 }
                             }
@@ -118,7 +118,7 @@ class PervEden(delegate: HttpSource, val context: Context) :
     override val matchingHosts = listOf("www.perveden.com")
 
     override fun matchesUri(uri: Uri): Boolean {
-        return super.matchesUri(uri) && uri.pathSegments.firstOrNull()?.toLowerCase() == when (lang) {
+        return super.matchesUri(uri) && uri.pathSegments.firstOrNull()?.lowercase() == when (lang) {
             "en" -> "en-manga"
             "it" -> "it-manga"
             else -> false

app/src/main/java/eu/kanade/tachiyomi/source/online/english/EightMuses.kt

@@ -91,7 +91,7 @@ class EightMuses(delegate: HttpSource, val context: Context) :
 
     override suspend fun mapUrlToMangaUrl(uri: Uri): String {
         var path = uri.pathSegments.drop(2)
-        if (uri.pathSegments[1].toLowerCase() == "picture") {
+        if (uri.pathSegments[1].lowercase() == "picture") {
             path = path.dropLast(1)
         }
         return "/comics/album/${path.joinToString("/")}"

app/src/main/java/eu/kanade/tachiyomi/source/online/english/HBrowse.kt

@@ -48,7 +48,7 @@ class HBrowse(delegate: HttpSource, val context: Context) :
 
             tags.clear()
             ((tables[""] ?: error("")) + (tables["categories"] ?: error(""))).forEach { (k, v) ->
-                when (val lowercaseNs = k.toLowerCase()) {
+                when (val lowercaseNs = k.lowercase()) {
                     "title" -> title = v.text()
                     "length" -> length = v.text().substringBefore(" ").toInt()
                     else -> {
@@ -67,7 +67,7 @@ class HBrowse(delegate: HttpSource, val context: Context) :
 
     private fun parseIntoTables(doc: Document): Map<String, Map<String, Element>> {
         return doc.select("#main > .listTable").map { ele ->
-            val tableName = ele.previousElementSibling()?.text()?.toLowerCase().orEmpty()
+            val tableName = ele.previousElementSibling()?.text()?.lowercase().orEmpty()
             tableName to ele.select("tr").map {
                 it.child(0).text() to it.child(1)
             }.toMap()

app/src/main/java/eu/kanade/tachiyomi/source/online/english/Pururin.kt

@@ -73,7 +73,7 @@ class Pururin(delegate: HttpSource, val context: Context) :
 
             tags.clear()
             contentWrapper.select(".table-gallery-info > tbody > tr").forEach { ele ->
-                val key = ele.child(0).text().toLowerCase()
+                val key = ele.child(0).text().lowercase()
                 val value = ele.child(1)
                 when (key) {
                     "pages" -> {

app/src/main/java/eu/kanade/tachiyomi/source/online/english/Tsumino.kt

@@ -42,7 +42,7 @@ class Tsumino(delegate: HttpSource, val context: Context) :
         }
 
     override suspend fun mapUrlToMangaUrl(uri: Uri): String? {
-        val lcFirstPathSegment = uri.pathSegments.firstOrNull()?.toLowerCase(Locale.ROOT) ?: return null
+        val lcFirstPathSegment = uri.pathSegments.firstOrNull()?.lowercase(Locale.ROOT) ?: return null
         if (lcFirstPathSegment != "read" && lcFirstPathSegment != "book" && lcFirstPathSegment != "entry") {
             return null
         }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/MigrationMangaDialog.kt

@@ -41,6 +41,6 @@ class MigrationMangaDialog<T>(bundle: Bundle? = null) : DialogController(bundle)
                     (targetController as? MigrationListController)?.migrateMangas()
                 }
             }
-            .negativeButton(android.R.string.no)
+            .negativeButton(android.R.string.cancel)
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceController.kt

@@ -235,7 +235,7 @@ class SourceController(bundle: Bundle? = null) :
     }
 
     private fun addToCategories(source: Source) {
-        val categories = preferences.sourcesTabCategories().get().toList().sortedBy { it.toLowerCase() }
+        val categories = preferences.sourcesTabCategories().get().toList().sortedBy { it.lowercase() }
 
         if (categories.isEmpty()) {
             applicationContext?.toast(R.string.no_source_categories)

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceFilterController.kt

@@ -219,7 +219,7 @@ class SourceFilterController : SettingsController() {
     }
 
     private fun sortedSources(sources: List<HttpSource>?): List<HttpSource> {
-        val sourceAlpha = sources.orEmpty().sortedBy { it.name.toLowerCase() }
+        val sourceAlpha = sources.orEmpty().sortedBy { it.name.lowercase() }
         return if (sorting == SourcesSort.Enabled) {
             val disabledSourceIds = preferences.disabledSources().get()
             sourceAlpha.filter { it.id.toString() !in disabledSourceIds } +

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceController.kt

@@ -278,7 +278,7 @@ open class BrowseSourceController(bundle: Bundle) :
                         .title(R.string.save_search_delete)
                         .message(text = it.getString(R.string.save_search_delete_message, search.name))
                         .positiveButton(R.string.action_cancel)
-                        .negativeButton(android.R.string.yes) {
+                        .negativeButton(android.R.string.ok) {
                             val newSearches = savedSearches.filterIndexed { index, _ ->
                                 index != indexToDelete
                             }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceEnhancedEHentaiListHolder.kt

@@ -85,10 +85,10 @@ class SourceEnhancedEHentaiListHolder(private val view: View, adapter: FlexibleA
         val pageCount = metadata.length
 
         binding.language.text = if (locale != null && pageCount != null) {
-            view.resources.getQuantityString(R.plurals.browse_language_and_pages, pageCount, pageCount, locale.toLanguageTag().toUpperCase())
+            view.resources.getQuantityString(R.plurals.browse_language_and_pages, pageCount, pageCount, locale.toLanguageTag().uppercase())
         } else if (pageCount != null) {
             view.resources.getQuantityString(R.plurals.num_pages, pageCount, pageCount)
-        } else locale?.toLanguageTag()?.toUpperCase()
+        } else locale?.toLanguageTag()?.uppercase()
     }
 
     override fun setImage(manga: Manga) {

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceFilterSheet.kt

@@ -166,7 +166,7 @@ class SourceFilterSheet(
                         }
                     }
                 }
-                .sortedBy { it.text.toString().toLowerCase() }
+                .sortedBy { it.text.toString().lowercase() }
         }
 
         fun hideFilterButton() {

app/src/main/java/eu/kanade/tachiyomi/ui/category/repos/RepoPresenter.kt

@@ -30,7 +30,7 @@ class RepoPresenter(
         super.onCreate(savedState)
 
         preferences.extensionRepos().asFlow().onEach { repos ->
-            this.repos = repos.toList().sortedBy { it.toLowerCase() }
+            this.repos = repos.toList().sortedBy { it.lowercase() }
 
             Observable.just(this.repos)
                 .map { it.map(::RepoItem) }

app/src/main/java/eu/kanade/tachiyomi/ui/category/sources/SourceCategoryPresenter.kt

@@ -34,7 +34,7 @@ class SourceCategoryPresenter(
         super.onCreate(savedState)
 
         preferences.sourcesTabCategories().asFlow().onEach { categories ->
-            this.categories = categories.toList().sortedBy { it.toLowerCase() }
+            this.categories = categories.toList().sortedBy { it.lowercase() }
 
             Observable.just(this.categories)
                 .map { it.map(::SourceCategoryItem) }

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt

@@ -809,7 +809,7 @@ class LibraryPresenter(
 
         val categories = (
             when (groupType) {
-                LibraryGroup.BY_SOURCE -> grouping.sortedBy { it.third.toLowerCase() }
+                LibraryGroup.BY_SOURCE -> grouping.sortedBy { it.third.lowercase() }
                 LibraryGroup.BY_TRACK_STATUS, LibraryGroup.BY_STATUS -> grouping.filter { it.second in map.keys }
                 else -> grouping
             }

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsEhController.kt

@@ -545,7 +545,7 @@ class SettingsEhController : SettingsController() {
                         MaterialDialog(activity)
                             .title(R.string.favorites_sync_reset)
                             .message(R.string.favorites_sync_reset_message)
-                            .positiveButton(android.R.string.yes) {
+                            .positiveButton(android.R.string.ok) {
                                 LocalFavoritesStorage().apply {
                                     getRealm().use {
                                         it.trans {
@@ -555,7 +555,7 @@ class SettingsEhController : SettingsController() {
                                 }
                                 activity.toast(context.getString(R.string.sync_state_reset), Toast.LENGTH_LONG)
                             }
-                            .negativeButton(android.R.string.no)
+                            .negativeButton(android.R.string.cancel)
                             .cancelable(false)
                             .show()
                     }

app/src/main/java/exh/debug/DebugFunctions.kt

@@ -170,22 +170,22 @@ object DebugFunctions {
     fun clearSavedSearches() = prefs.savedSearches().set(emptySet())
 
     fun listAllSources() = sourceManager.getCatalogueSources().joinToString("\n") {
-        "${it.id}: ${it.name} (${it.lang.toUpperCase()})"
+        "${it.id}: ${it.name} (${it.lang.uppercase()})"
     }
 
     fun listAllSourcesClassName() = sourceManager.getCatalogueSources().joinToString("\n") {
-        "${it::class.qualifiedName}: ${it.name} (${it.lang.toUpperCase()})"
+        "${it::class.qualifiedName}: ${it.name} (${it.lang.uppercase()})"
     }
 
     fun listVisibleSources() = sourceManager.getVisibleCatalogueSources().joinToString("\n") {
-        "${it.id}: ${it.name} (${it.lang.toUpperCase()})"
+        "${it.id}: ${it.name} (${it.lang.uppercase()})"
     }
 
     fun listAllHttpSources() = sourceManager.getOnlineSources().joinToString("\n") {
-        "${it.id}: ${it.name} (${it.lang.toUpperCase()})"
+        "${it.id}: ${it.name} (${it.lang.uppercase()})"
     }
     fun listVisibleHttpSources() = sourceManager.getVisibleOnlineSources().joinToString("\n") {
-        "${it.id}: ${it.name} (${it.lang.toUpperCase()})"
+        "${it.id}: ${it.name} (${it.lang.uppercase()})"
     }
 
     fun convertAllEhentaiGalleriesToExhentai() = convertSources(EH_SOURCE_ID, EXH_SOURCE_ID)

app/src/main/java/exh/debug/SettingsDebugController.kt

@@ -31,7 +31,7 @@ class SettingsDebugController : SettingsController() {
                 it.visibility == KVisibility.PUBLIC
             }.forEach {
                 preference {
-                    title = it.name.replace("(.)(\\p{Upper})".toRegex(), "$1 $2").toLowerCase(Locale.getDefault()).capitalize(Locale.getDefault())
+                    title = it.name.replace("(.)(\\p{Upper})".toRegex(), "$1 $2").lowercase(Locale.getDefault()).capitalize(Locale.getDefault())
                     isPersistent = false
 
                     onClick {
@@ -62,7 +62,7 @@ class SettingsDebugController : SettingsController() {
 
             DebugToggles.values().forEach {
                 switchPreference {
-                    title = it.name.replace('_', ' ').toLowerCase(Locale.getDefault()).capitalize(Locale.getDefault())
+                    title = it.name.replace('_', ' ').lowercase(Locale.getDefault()).capitalize(Locale.getDefault())
                     key = it.prefKey
                     defaultValue = it.default
                     summaryOn = if (it.default) "" else MODIFIED_TEXT

app/src/main/java/exh/log/EHDebugModeOverlay.kt

@@ -62,7 +62,7 @@ class EHDebugModeOverlay(private val context: Context) : OverlayModule<String>(n
         <b>Debug mode:</b> ${BuildConfig.DEBUG.asEnabledString()}<br>
         <b>Version code:</b> ${BuildConfig.VERSION_CODE}<br>
         <b>Commit SHA:</b> ${BuildConfig.COMMIT_SHA}<br>
-        <b>Log level:</b> ${EHLogLevel.currentLogLevel.name.toLowerCase(Locale.getDefault())}<br>
+        <b>Log level:</b> ${EHLogLevel.currentLogLevel.name.lowercase(Locale.getDefault())}<br>
         <b>Source blacklist:</b> ${preferences.enableSourceBlacklist().get().asEnabledString()}
         """.trimIndent()
 

app/src/main/java/exh/md/handlers/FilterHandler.kt

@@ -193,7 +193,7 @@ class FilterHandler(private val preferencesHelper: PreferencesHelper) {
                             if (rating.state) {
                                 addQueryParameter(
                                     "contentRating[]",
-                                    rating.name.toLowerCase(Locale.US)
+                                    rating.name.lowercase(Locale.US)
                                 )
                             }
                         }
@@ -203,7 +203,7 @@ class FilterHandler(private val preferencesHelper: PreferencesHelper) {
                             if (demographic.state) {
                                 addQueryParameter(
                                     "publicationDemographic[]",
-                                    demographic.name.toLowerCase(
+                                    demographic.name.lowercase(
                                         Locale.US
                                     )
                                 )
@@ -215,7 +215,7 @@ class FilterHandler(private val preferencesHelper: PreferencesHelper) {
                             if (status.state) {
                                 addQueryParameter(
                                     "status[]",
-                                    status.name.toLowerCase(
+                                    status.name.lowercase(
                                         Locale.US
                                     )
                                 )
@@ -246,13 +246,13 @@ class FilterHandler(private val preferencesHelper: PreferencesHelper) {
                     is TagInclusionMode -> {
                         addQueryParameter(
                             "includedTagsMode",
-                            filter.values[filter.state].toUpperCase(Locale.US)
+                            filter.values[filter.state].uppercase(Locale.US)
                         )
                     }
                     is TagExclusionMode -> {
                         addQueryParameter(
                             "excludedTagsMode",
-                            filter.values[filter.state].toUpperCase(Locale.US)
+                            filter.values[filter.state].uppercase(Locale.US)
                         )
                     }
                 }

app/src/main/java/exh/md/handlers/FollowsHandler.kt

@@ -135,7 +135,7 @@ class FollowsHandler(
         return withIOContext {
             val status = when (followStatus == FollowStatus.UNFOLLOWED) {
                 true -> null
-                false -> followStatus.name.toLowerCase(Locale.US)
+                false -> followStatus.name.lowercase(Locale.US)
             }
 
             val jsonString = MdUtil.jsonParser.encodeToString(UpdateReadingStatus(status))
@@ -247,7 +247,7 @@ class FollowsHandler(
         val mangaStatusUrl = MdUtil.mangaStatus.toHttpUrl().newBuilder()
 
         if (status != null) {
-            mangaStatusUrl.addQueryParameter("status", status.name.toLowerCase(Locale.US))
+            mangaStatusUrl.addQueryParameter("status", status.name.lowercase(Locale.US))
         }
 
         return GET(mangaStatusUrl.build().toString(), MdUtil.getAuthHeaders(headers, preferences, mdList), CacheControl.FORCE_NETWORK)

app/src/main/java/exh/md/utils/FollowStatus.kt

@@ -12,7 +12,7 @@ enum class FollowStatus(val int: Int) {
     RE_READING(6);
 
     companion object {
-        fun fromDex(value: String?): FollowStatus = values().firstOrNull { it.name.toLowerCase(Locale.US) == value } ?: UNFOLLOWED
+        fun fromDex(value: String?): FollowStatus = values().firstOrNull { it.name.lowercase(Locale.US) == value } ?: UNFOLLOWED
         fun fromInt(value: Int): FollowStatus = values().firstOrNull { it.int == value } ?: UNFOLLOWED
     }
 }

app/src/main/java/exh/search/SearchEngine.kt

@@ -163,7 +163,7 @@ class SearchEngine {
             }
         }
 
-        query.toLowerCase(Locale.getDefault()).forEach { char ->
+        query.lowercase(Locale.getDefault()).forEach { char ->
             if (char == '"') {
                 inQuotes = !inQuotes
             } else if (enableWildcard && (char == '?' || char == '_')) {

app/src/main/java/exh/smartsearch/SmartSearchEngine.kt

@@ -99,7 +99,7 @@ class SmartSearchEngine(
     }
 
     private fun cleanSmartSearchTitle(title: String): String {
-        val preTitle = title.toLowerCase(Locale.getDefault())
+        val preTitle = title.lowercase(Locale.getDefault())
 
         // Remove text in brackets
         var cleanedTitle = removeTextInBrackets(preTitle, true)

app/src/main/java/exh/uconfig/EHConfigurator.kt

@@ -65,7 +65,7 @@ class EHConfigurator(val context: Context) {
         val hathPerks = EHHathPerksResponse()
 
         perksPage.select(".stuffbox tr").forEach {
-            val name = it.child(0).text().toLowerCase(Locale.getDefault())
+            val name = it.child(0).text().lowercase(Locale.getDefault())
             val purchased = it.child(2).getElementsByTag("form").isEmpty()
 
             when (name) {

app/src/main/java/exh/uconfig/EhUConfigBuilder.kt

@@ -14,7 +14,7 @@ class EhUConfigBuilder {
         configItems += when (
             preferences.imageQuality()
                 .get()
-                .toLowerCase(Locale.getDefault())
+                .lowercase(Locale.getDefault())
         ) {
             "ovrs_2400" -> Entry.ImageSize.`2400`
             "ovrs_1600" -> Entry.ImageSize.`1600`

app/src/main/java/exh/ui/login/EhLoginActivity.kt

@@ -233,7 +233,7 @@ class EhLoginActivity : BaseViewBindingActivity<EhActivityLoginBinding>() {
             var igneous: String? = null
 
             parsed.forEach {
-                when (it.name.toLowerCase(Locale.getDefault())) {
+                when (it.name.lowercase(Locale.getDefault())) {
                     MEMBER_ID_COOKIE -> memberId = it.value
                     PASS_HASH_COOKIE -> passHash = it.value
                     IGNEOUS_COOKIE -> igneous = this.igneous ?: it.value

app/src/main/java/exh/util/MangaType.kt

@@ -18,7 +18,7 @@ fun Manga.mangaType(context: Context): String {
             MangaType.TYPE_COMIC -> R.string.comic
             else -> R.string.manga
         }
-    ).toLowerCase(Locale.getDefault())
+    ).lowercase(Locale.getDefault())
 }
 
 /**