Add domain validation in source settings

Currently translated at 98.7% (316 of 320 strings)

Co-authored-by: DevCoz <qq851428876@gmail.com>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/zh_Hans/
Translation: Kotatsu/Strings

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,29 @@
+**PLEASE READ THIS**
+
+I acknowledge that:
+
+- I have updated to the latest version of the app (https://github.com/KotatsuApp/Kotatsu/releases/latest)
+- If this is an issue with a parser, that I should be opening an issue in https://github.com/KotatsuApp/kotatsu-parsers
+- I have searched the existing issues and this is new ticket **NOT** a duplicate or related to another open or closed issue
+- I will fill out the title and the information in this template
+
+Note that the issue will be automatically closed if you do not fill out the title or requested information.
+
+**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
+
+---
+
+## Device information
+* Kotatsu version: ?
+* Android version: ?
+* Device: ?
+
+## Steps to reproduce
+1. First step
+2. Second step
+
+## Issue/Request
+?
+
+## Other details
+Additional details and attachments.

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,5 @@
 blank_issues_enabled: false
 contact_links:
     - name: ⚠️ Source issue
-      url: https://github.com/nv95/kotatsu-parsers/issues/new
+      url: https://github.com/KotatsuApp/kotatsu-parsers/issues/new
-      about: Issues and requests for sources should be opened in the kotatsu-parsers repository instead
+      about: If you have troubles with a manga parser or want to propose new manga source, please open an issue in the kotatsu-parsers repository instead

.github/ISSUE_TEMPLATE/report_bug.yml

@@ -0,0 +1,64 @@
+name: 🐞 Bug report
+description: Report a bug in Kotatsu
+labels: [bug]
+body:
+
+    - type: textarea
+      id: summary
+      attributes:
+          label: Brief summary
+          description: Please describe, what went wrong
+      validations:
+          required: true
+
+    - type: textarea
+      id: reproduce-steps
+      attributes:
+          label: Steps to reproduce
+          description: Please provide a way to reproduce this issue. Screenshots or videos can be very helpful
+          placeholder: |
+              Example:
+                1. First step
+                2. Second step
+                3. Issue here
+      validations:
+          required: false
+
+
+    - type: input
+      id: kotatsu-version
+      attributes:
+          label: Kotatsu version
+          description: You can find your Kotatsu version in **Settings → About**.
+          placeholder: |
+              Example: "3.3"
+      validations:
+          required: true
+
+    - type: input
+      id: android-version
+      attributes:
+          label: Android version
+          description: You can find this somewhere in your Android settings.
+          placeholder: |
+              Example: "12.0"
+      validations:
+          required: true
+
+    - type: input
+      id: device
+      attributes:
+          label: Device
+          description: List your device and model.
+          placeholder: |
+              Example: "LG Nexus 5X"
+      validations:
+          required: false
+
+    - type: checkboxes
+      id: acknowledgements
+      attributes:
+          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

.github/ISSUE_TEMPLATE/report_issue.yml

@@ -1,93 +0,0 @@
-name: 🐞 Issue report
-description: Report an issue in Kotatsu
-labels: [bug]
-body:
-
-    - type: textarea
-      id: reproduce-steps
-      attributes:
-          label: Steps to reproduce
-          description: Provide an example of the issue.
-          placeholder: |
-              Example:
-                1. First step
-                2. Second step
-                3. Issue here
-      validations:
-          required: true
-
-    - type: textarea
-      id: expected-behavior
-      attributes:
-          label: Expected behavior
-          description: Explain what you should expect to happen.
-          placeholder: |
-              Example:
-                "This should happen..."
-      validations:
-          required: true
-
-    - type: textarea
-      id: actual-behavior
-      attributes:
-          label: Actual behavior
-          description: Explain what actually happens.
-          placeholder: |
-              Example:
-                "This happened instead..."
-      validations:
-          required: true
-
-    - type: input
-      id: kotatsu-version
-      attributes:
-          label: Kotatsu version
-          description: You can find your Kotatsu version in **Settings → About**.
-          placeholder: |
-              Example: "3.3.1"
-      validations:
-          required: true
-
-    - type: input
-      id: android-version
-      attributes:
-          label: Android version
-          description: You can find this somewhere in your Android settings.
-          placeholder: |
-              Example: "Android 12"
-      validations:
-          required: true
-
-    - type: input
-      id: device
-      attributes:
-          label: Device
-          description: List your device and model.
-          placeholder: |
-              Example: "LG Nexus 5X"
-      validations:
-          required: true
-
-    - type: textarea
-      id: other-details
-      attributes:
-          label: Other details
-          placeholder: |
-              Additional details and attachments.
-
-    - type: checkboxes
-      id: acknowledgements
-      attributes:
-          label: Acknowledgements
-          description: Read this carefully, we will close and ignore your issue if you skimmed through this.
-          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
-              - label: I have written a short but informative title.
-                required: true
-              - label: If this is an issue with a source, I should be opening an issue in the [parsers repository](https://github.com/KotatsuApp/kotatsu-parsers/issues/new).
-                required: true
-              - label: I have updated the app to version **[3.3.1](https://github.com/KotatsuApp/Kotatsu/releases/latest)**.
-                required: true
-              - label: I will fill out all of the requested information in this form.
-                required: true

.github/ISSUE_TEMPLATE/request_feature.yml

@@ -1,5 +1,5 @@
 name: ⭐ Feature request
-description: Suggest a feature to improve Kotatsu
+description: Suggest a new idea how to improve Kotatsu
 labels: [feature request]
 body:
 
@@ -14,13 +14,6 @@ body:
       validations:
           required: true
 
-    - type: textarea
-      id: other-details
-      attributes:
-          label: Other details
-          placeholder: |
-              Additional details and attachments.
-
     - type: checkboxes
       id: acknowledgements
       attributes:
@@ -29,11 +22,3 @@ body:
           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
-              - label: I have written a short but informative title.
-                required: true
-              - label: If this is an issue with a source, I should be opening an issue in the [parsers repository](https://github.com/KotatsuApp/kotatsu-parsers/issues/new).
-                required: true
-              - label: I have updated the app to version **[3.3.1](https://github.com/KotatsuApp/Kotatsu/releases/latest)**.
-                required: true
-              - label: I will fill out all of the requested information in this form.
-                required: true

.github/workflows/issue_moderator.yml

@@ -0,0 +1,29 @@
+name: Issue moderator
+
+on:
+  issues:
+    types: [opened, edited, reopened]
+  issue_comment:
+    types: [created]
+
+jobs:
+  moderate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Moderate issues
+        uses: tachiyomiorg/issue-moderator-action@v1
+        with:
+           repo-token: ${{ secrets.GITHUB_TOKEN }}
+           auto-close-rules: |
+             [
+               {
+                 "type": "body",
+                 "regex": ".*DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT.*",
+                 "message": "The acknowledgment section was not removed."
+               },
+               {
+                 "type": "body",
+                 "regex": ".*\\* (Kotatsu version|Android version|Device): \\?.*",
+                 "message": "Requested information in the template was not filled out."
+               }
+             ]

.gitignore

@@ -13,6 +13,7 @@
 /.idea/kotlinScripting.xml
 /.idea/deploymentTargetDropDown.xml
 /.idea/androidTestResultsUserPreferences.xml
+/.idea/render.experimental.xml
 .DS_Store
 /build
 /captures

.idea/render.experimental.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RenderSettings">
-    <option name="quality" value="0.25" />
-  </component>
-</project>

README.md

@@ -10,9 +10,9 @@ Kotatsu is a free and open source manga reader for Android.
 alt="Get it on F-Droid"
 height="80">](https://f-droid.org/packages/org.koitharu.kotatsu)
 
-Download APK from GitHub Releases:
+Download APK directly from GitHub:
 
-- [Latest release](https://github.com/KotatsuApp/Kotatsu/releases/latest)
+- **[Latest release](https://github.com/KotatsuApp/Kotatsu/releases/latest)**
 
 ### Main Features
 
@@ -24,8 +24,8 @@ Download APK from GitHub Releases:
 * Tablet-optimized material design UI
 * Standard and Webtoon-optimized reader
 * Notifications about new chapters with updates feed
-* Available in multiple languages
+* Shikimori integration (manga tracking)
-* Password protect access to the app
+* Password/fingerprint protect access to the app
 
 ### Screenshots
 
@@ -38,23 +38,20 @@ Download APK from GitHub Releases:
 
 ### Localization
 
-<a href="https://hosted.weblate.org/engage/kotatsu/">
+[<img src="https://hosted.weblate.org/widgets/kotatsu/-/287x66-white.png" alt="Translation status">](https://hosted.weblate.org/engage/kotatsu/)
-<img src="https://hosted.weblate.org/widgets/kotatsu/-/287x66-white.png" alt="Translation status" />
-</a>
 
 Kotatsu is localized in a number of different languages, if you would like to help improve these or add new languages,
-please head over to the Weblate <a href="https://hosted.weblate.org/engage/kotatsu/">project page</a>
+please head over to the [Weblate project page](https://hosted.weblate.org/engage/kotatsu/)
 
 ### License
 
 [![GNU GPLv3 Image](https://www.gnu.org/graphics/gplv3-127x51.png)](http://www.gnu.org/licenses/gpl-3.0.en.html)
 
-Kotatsu is Free Software: You can use, study share and improve it at your
+You may copy, distribute and modify the software as long as you track changes/dates in source files. Any modifications
-will. Specifically you can redistribute and/or modify it under the terms of the
+to or software including (via compiler) GPL-licensed code must also be made available under the GPL along with build &
-[GNU General Public License](https://www.gnu.org/licenses/gpl.html) as
+install instructions.
-published by the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
 
-### Disclaimer
+### DMCA disclaimer
 
-The developers of this application does not have any affiliation with the content providers available.
+The developers of this application does not have any affiliation with the content available in the app.
+It is collecting from the sources freely available through any web browser.

app/build.gradle

@@ -14,8 +14,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
 		targetSdkVersion 32
-		versionCode 411
+		versionCode 415
-		versionName '3.3.2'
+		versionName '3.4.3'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -24,6 +24,10 @@ android {
 				arg 'room.schemaLocation', "$projectDir/schemas".toString()
 			}
 		}
+
+		// define this values in your local.properties file
+		buildConfigField 'String', 'SHIKIMORI_CLIENT_ID', "\"${localProperty('shikimori.clientId')}\""
+		buildConfigField 'String', 'SHIKIMORI_CLIENT_SECRET', "\"${localProperty('shikimori.clientSecret')}\""
 	}
 	buildTypes {
 		debug {
@@ -72,20 +76,19 @@ afterEvaluate {
 	}
 }
 dependencies {
-	implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
+	implementation('com.github.nv95:kotatsu-parsers:2d1907569b') {
-	implementation('com.github.nv95:kotatsu-parsers:c92f89f307') {
 		exclude group: 'org.json', module: 'json'
 	}
 
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.2'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.3'
 
 	implementation 'androidx.core:core-ktx:1.8.0'
-	implementation 'androidx.activity:activity-ktx:1.5.0-rc01'
+	implementation 'androidx.activity:activity-ktx:1.5.0'
-	implementation 'androidx.fragment:fragment-ktx:1.5.0-rc01'
+	implementation 'androidx.fragment:fragment-ktx:1.5.0'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.0-rc02'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.0'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.0-rc02'
+	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.0'
-	implementation 'androidx.lifecycle:lifecycle-service:2.5.0-rc02'
+	implementation 'androidx.lifecycle:lifecycle-service:2.5.0'
-	implementation 'androidx.lifecycle:lifecycle-process:2.5.0-rc02'
+	implementation 'androidx.lifecycle:lifecycle-process:2.5.0'
 	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
 	implementation 'androidx.recyclerview:recyclerview:1.2.1'
@@ -95,7 +98,7 @@ dependencies {
 	implementation 'androidx.biometric:biometric-ktx:1.2.0-alpha04'
 	implementation 'com.google.android.material:material:1.7.0-alpha02'
 	//noinspection LifecycleAnnotationProcessorWithJava8
-	kapt 'androidx.lifecycle:lifecycle-compiler:2.5.0-rc02'
+	kapt 'androidx.lifecycle:lifecycle-compiler:2.5.0'
 
 	implementation 'androidx.room:room-runtime:2.4.2'
 	implementation 'androidx.room:room-ktx:2.4.2'
@@ -103,7 +106,7 @@ dependencies {
 
 	implementation 'com.squareup.okhttp3:okhttp:4.10.0'
 	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.9.3'
-	implementation 'com.squareup.okio:okio:3.1.0'
+	implementation 'com.squareup.okio:okio:3.2.0'
 
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
@@ -120,14 +123,14 @@ dependencies {
 	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.9.1'
 
 	testImplementation 'junit:junit:4.13.2'
-	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.2'
+	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.3'
 
 	androidTestImplementation 'androidx.test:runner:1.4.0'
 	androidTestImplementation 'androidx.test:rules:1.4.0'
 	androidTestImplementation 'androidx.test:core-ktx:1.4.0'
 	androidTestImplementation 'androidx.test.ext:junit-ktx:1.1.3'
 
-	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.2'
+	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.3'
 	androidTestImplementation 'io.insert-koin:koin-test:3.2.0'
 	androidTestImplementation 'io.insert-koin:koin-test-junit4:3.2.0'
 

app/src/main/AndroidManifest.xml

@@ -59,7 +59,15 @@
 			android:label="@string/search_manga" />
 		<activity
 			android:name="org.koitharu.kotatsu.settings.SettingsActivity"
-			android:label="@string/settings" />
+			android:exported="true"
+			android:label="@string/settings">
+			<intent-filter>
+				<action android:name="android.intent.action.VIEW" />
+				<category android:name="android.intent.category.DEFAULT" />
+				<category android:name="android.intent.category.BROWSABLE" />
+				<data android:scheme="kotatsu" />
+			</intent-filter>
+		</activity>
 		<activity
 			android:name="org.koitharu.kotatsu.browser.BrowserActivity"
 			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"

app/src/main/java/org/koitharu/kotatsu/KotatsuApp.kt

@@ -31,6 +31,7 @@ import org.koitharu.kotatsu.main.ui.protect.AppProtectHelper
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.reader.readerModule
 import org.koitharu.kotatsu.remotelist.remoteListModule
+import org.koitharu.kotatsu.scrobbling.shikimori.shikimoriModule
 import org.koitharu.kotatsu.search.searchModule
 import org.koitharu.kotatsu.settings.settingsModule
 import org.koitharu.kotatsu.suggestions.suggestionsModule
@@ -74,6 +75,7 @@ class KotatsuApp : Application() {
 				readerModule,
 				appWidgetModule,
 				suggestionsModule,
+				shikimoriModule,
 				bookmarksModule,
 			)
 		}
@@ -92,6 +94,7 @@ class KotatsuApp : Application() {
 				ReportField.PHONE_MODEL,
 				ReportField.CRASH_CONFIGURATION,
 				ReportField.STACK_TRACE,
+				ReportField.CUSTOM_DATA,
 				ReportField.SHARED_PREFERENCES,
 			)
 			dialog {

app/src/main/java/org/koitharu/kotatsu/base/ui/BaseActivity.kt

@@ -12,6 +12,7 @@ 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.view.ViewCompat
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
@@ -82,9 +83,8 @@ abstract class BaseActivity<B : ViewBinding> :
 
 	override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
 		if (BuildConfig.DEBUG && keyCode == KeyEvent.KEYCODE_VOLUME_UP) { // TODO remove
-			// ActivityCompat.recreate(this)
+			ActivityCompat.recreate(this)
-			throw RuntimeException("Test crash")
+			return true
-			// return true
 		}
 		return super.onKeyDown(keyCode, event)
 	}

app/src/main/java/org/koitharu/kotatsu/base/ui/BaseBottomSheet.kt

@@ -60,6 +60,15 @@ abstract class BaseBottomSheet<B : ViewBinding> : BottomSheetDialogFragment() {
 		return AppBottomSheetDialog(requireContext(), theme)
 	}
 
+	fun addBottomSheetCallback(callback: BottomSheetBehavior.BottomSheetCallback) {
+		val b = behavior ?: return
+		b.addBottomSheetCallback(callback)
+		val rootView = dialog?.findViewById<View>(materialR.id.design_bottom_sheet)
+		if (rootView != null) {
+			callback.onStateChanged(rootView, b.state)
+		}
+	}
+
 	protected abstract fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): B
 
 	protected fun setExpanded(isExpanded: Boolean, isLocked: Boolean) {

app/src/main/java/org/koitharu/kotatsu/base/ui/list/ListSelectionController.kt

@@ -0,0 +1,162 @@
+package org.koitharu.kotatsu.base.ui.list
+
+import android.app.Activity
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.view.ActionMode
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import androidx.lifecycle.LifecycleOwner
+import androidx.recyclerview.widget.RecyclerView
+import androidx.savedstate.SavedStateRegistry
+import androidx.savedstate.SavedStateRegistryOwner
+import kotlinx.coroutines.Dispatchers
+import org.koitharu.kotatsu.base.ui.list.decor.AbstractSelectionItemDecoration
+import kotlin.coroutines.EmptyCoroutineContext
+
+private const val KEY_SELECTION = "selection"
+private const val PROVIDER_NAME = "selection_decoration"
+
+class ListSelectionController(
+	private val activity: Activity,
+	private val decoration: AbstractSelectionItemDecoration,
+	private val registryOwner: SavedStateRegistryOwner,
+	private val callback: Callback,
+) : ActionMode.Callback, SavedStateRegistry.SavedStateProvider {
+
+	private var actionMode: ActionMode? = null
+	private val stateEventObserver = StateEventObserver()
+
+	val count: Int
+		get() = decoration.checkedItemsCount
+
+	fun snapshot(): Set<Long> {
+		return peekCheckedIds().toSet()
+	}
+
+	fun peekCheckedIds(): Set<Long> {
+		return decoration.checkedItemsIds
+	}
+
+	fun clear() {
+		decoration.clearSelection()
+		notifySelectionChanged()
+	}
+
+	fun addAll(ids: Collection<Long>) {
+		if (ids.isEmpty()) {
+			return
+		}
+		decoration.checkAll(ids)
+		notifySelectionChanged()
+	}
+
+	fun attachToRecyclerView(recyclerView: RecyclerView) {
+		recyclerView.addItemDecoration(decoration)
+		registryOwner.lifecycle.addObserver(stateEventObserver)
+	}
+
+	override fun saveState(): Bundle {
+		val bundle = Bundle(1)
+		bundle.putLongArray(KEY_SELECTION, peekCheckedIds().toLongArray())
+		return bundle
+	}
+
+	fun onItemClick(id: Long): Boolean {
+		if (decoration.checkedItemsCount != 0) {
+			decoration.toggleItemChecked(id)
+			if (decoration.checkedItemsCount == 0) {
+				actionMode?.finish()
+			} else {
+				actionMode?.invalidate()
+			}
+			notifySelectionChanged()
+			return true
+		}
+		return false
+	}
+
+	fun onItemLongClick(id: Long): Boolean {
+		startActionMode()
+		return actionMode?.also {
+			decoration.setItemIsChecked(id, true)
+			notifySelectionChanged()
+		} != null
+	}
+
+	override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
+		return callback.onCreateActionMode(mode, menu)
+	}
+
+	override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
+		return callback.onPrepareActionMode(mode, menu)
+	}
+
+	override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
+		return callback.onActionItemClicked(mode, item)
+	}
+
+	override fun onDestroyActionMode(mode: ActionMode) {
+		callback.onDestroyActionMode(mode)
+		clear()
+		actionMode = null
+	}
+
+	private fun startActionMode() {
+		if (actionMode == null) {
+			actionMode = (activity as? AppCompatActivity)?.startSupportActionMode(this)
+		}
+	}
+
+	private fun notifySelectionChanged() {
+		val count = decoration.checkedItemsCount
+		callback.onSelectionChanged(count)
+		if (count == 0) {
+			actionMode?.finish()
+		} else {
+			actionMode?.invalidate()
+		}
+	}
+
+	private fun restoreState(ids: Collection<Long>) {
+		if (ids.isEmpty() || decoration.checkedItemsCount != 0) {
+			return
+		}
+		decoration.checkAll(ids)
+		startActionMode()
+		notifySelectionChanged()
+	}
+
+	interface Callback : ActionMode.Callback {
+
+		fun onSelectionChanged(count: Int)
+
+		override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean
+
+		override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean
+
+		override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean
+
+		override fun onDestroyActionMode(mode: ActionMode) = Unit
+	}
+
+	private inner class StateEventObserver : LifecycleEventObserver {
+
+		override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) {
+			if (event == Lifecycle.Event.ON_CREATE) {
+				val registry = registryOwner.savedStateRegistry
+				registry.registerSavedStateProvider(PROVIDER_NAME, this@ListSelectionController)
+				val state = registry.consumeRestoredStateForKey(PROVIDER_NAME)
+				if (state != null) {
+					Dispatchers.Main.dispatch(EmptyCoroutineContext) { // == Handler.post
+						if (source.lifecycle.currentState.isAtLeast(Lifecycle.State.CREATED)) {
+							restoreState(state.getLongArray(KEY_SELECTION)?.toList().orEmpty())
+						}
+					}
+				}
+			}
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/list/decor/AbstractSelectionItemDecoration.kt

@@ -12,7 +12,7 @@ abstract class AbstractSelectionItemDecoration : RecyclerView.ItemDecoration() {
 
 	private val bounds = Rect()
 	private val boundsF = RectF()
-	private val selection = HashSet<Long>()
+	protected val selection = HashSet<Long>()
 
 	protected var hasBackground: Boolean = true
 	protected var hasForeground: Boolean = false

app/src/main/java/org/koitharu/kotatsu/base/ui/widgets/FadingSnackbar.kt

@@ -17,19 +17,28 @@
 package org.koitharu.kotatsu.base.ui.widgets
 
 import android.content.Context
+import android.content.res.ColorStateList
+import android.graphics.drawable.Drawable
 import android.util.AttributeSet
 import android.view.LayoutInflater
-import android.widget.Button
 import android.widget.FrameLayout
-import android.widget.TextView
+import androidx.annotation.ColorInt
 import androidx.annotation.StringRes
+import androidx.core.graphics.drawable.DrawableCompat
 import androidx.core.view.postDelayed
-import org.koitharu.kotatsu.R
+import com.google.android.material.color.MaterialColors
+import com.google.android.material.shape.MaterialShapeDrawable
+import com.google.android.material.shape.ShapeAppearanceModel
+import com.google.android.material.snackbar.Snackbar
+import org.koitharu.kotatsu.databinding.FadingSnackbarLayoutBinding
+import org.koitharu.kotatsu.utils.ext.getThemeColorStateList
+import com.google.android.material.R as materialR
 
 private const val ENTER_DURATION = 300L
 private const val EXIT_DURATION = 200L
-private const val SHORT_DURATION = 1_500L
+private const val SHORT_DURATION_MS = 1_500L
-private const val LONG_DURATION = 2_750L
+private const val LONG_DURATION_MS = 2_750L
+
 /**
  * A custom snackbar implementation allowing more control over placement and entry/exit animations.
  *
@@ -40,16 +49,13 @@ private const val LONG_DURATION = 2_750L
 class FadingSnackbar @JvmOverloads constructor(
 	context: Context,
 	attrs: AttributeSet? = null,
-	defStyleAttr: Int = 0
+	defStyleAttr: Int = 0,
 ) : FrameLayout(context, attrs, defStyleAttr) {
 
-	private val message: TextView
+	private val binding = FadingSnackbarLayoutBinding.inflate(LayoutInflater.from(context), this)
-	private val action: Button
 
 	init {
-		val view = LayoutInflater.from(context).inflate(R.layout.fading_snackbar_layout, this, true)
+		binding.snackbarLayout.background = createThemedBackground()
-		message = view.findViewById(R.id.snackbar_text)
-		action = view.findViewById(R.id.snackbar_action)
 	}
 
 	fun dismiss() {
@@ -62,33 +68,66 @@ class FadingSnackbar @JvmOverloads constructor(
 	}
 
 	fun show(
-		messageText: CharSequence? = null,
+		messageText: CharSequence?,
-		@StringRes actionId: Int? = null,
+		@StringRes actionId: Int = 0,
-		longDuration: Boolean = true,
+		duration: Int = Snackbar.LENGTH_SHORT,
-		actionClick: () -> Unit = { dismiss() },
+		onActionClick: (FadingSnackbar.() -> Unit)? = null,
-		dismissListener: () -> Unit = { }
+		onDismiss: (() -> Unit)? = null,
 	) {
-		message.text = messageText
+		binding.snackbarText.text = messageText
-		if (actionId != null) {
+		if (actionId != 0) {
-			action.run {
+			with(binding.snackbarAction) {
 				visibility = VISIBLE
 				text = context.getString(actionId)
 				setOnClickListener {
-					actionClick()
+					onActionClick?.invoke(this@FadingSnackbar) ?: dismiss()
 				}
 			}
 		} else {
-			action.visibility = GONE
+			binding.snackbarAction.visibility = GONE
 		}
 		alpha = 0f
 		visibility = VISIBLE
 		animate()
 			.alpha(1f)
 			.duration = ENTER_DURATION
-		val showDuration = ENTER_DURATION + if (longDuration) LONG_DURATION else SHORT_DURATION
+		if (duration == Snackbar.LENGTH_INDEFINITE) {
-		postDelayed(showDuration) {
+			return
-			dismiss()
-			dismissListener()
 		}
+		val durationMs = ENTER_DURATION + if (duration == Snackbar.LENGTH_LONG) LONG_DURATION_MS else SHORT_DURATION_MS
+		postDelayed(durationMs) {
+			dismiss()
+			onDismiss?.invoke()
+		}
+	}
+
+	private fun createThemedBackground(): Drawable {
+		val backgroundColor = MaterialColors.layer(this, materialR.attr.colorSurface, materialR.attr.colorOnSurface, 1f)
+		val shapeAppearanceModel = ShapeAppearanceModel.builder(
+			context,
+			materialR.style.ShapeAppearance_Material3_Corner_ExtraSmall,
+			0
+		).build()
+		val background = createMaterialShapeDrawableBackground(
+			backgroundColor,
+			shapeAppearanceModel,
+		)
+		val backgroundTint = context.getThemeColorStateList(materialR.attr.colorSurfaceInverse)
+		return if (backgroundTint != null) {
+			val wrappedDrawable = DrawableCompat.wrap(background)
+			DrawableCompat.setTintList(wrappedDrawable, backgroundTint)
+			wrappedDrawable
+		} else {
+			DrawableCompat.wrap(background)
+		}
+	}
+
+	private fun createMaterialShapeDrawableBackground(
+		@ColorInt backgroundColor: Int,
+		shapeAppearanceModel: ShapeAppearanceModel,
+	): MaterialShapeDrawable {
+		val background = MaterialShapeDrawable(shapeAppearanceModel)
+		background.fillColor = ColorStateList.valueOf(backgroundColor)
+		return background
 	}
 }

app/src/main/java/org/koitharu/kotatsu/bookmarks/data/BookmarkEntity.kt

@@ -25,4 +25,5 @@ class BookmarkEntity(
 	@ColumnInfo(name = "scroll") val scroll: Int,
 	@ColumnInfo(name = "image") val imageUrl: String,
 	@ColumnInfo(name = "created_at") val createdAt: Long,
+	@ColumnInfo(name = "percent") val percent: Float,
 )

app/src/main/java/org/koitharu/kotatsu/bookmarks/data/EntityMapping.kt

@@ -18,6 +18,7 @@ fun BookmarkEntity.toBookmark(manga: Manga) = Bookmark(
 	scroll = scroll,
 	imageUrl = imageUrl,
 	createdAt = Date(createdAt),
+	percent = percent,
 )
 
 fun Bookmark.toEntity() = BookmarkEntity(
@@ -28,4 +29,5 @@ fun Bookmark.toEntity() = BookmarkEntity(
 	scroll = scroll,
 	imageUrl = imageUrl,
 	createdAt = createdAt.time,
+	percent = percent,
 )

app/src/main/java/org/koitharu/kotatsu/bookmarks/domain/Bookmark.kt

@@ -11,6 +11,7 @@ class Bookmark(
 	val scroll: Int,
 	val imageUrl: String,
 	val createdAt: Date,
+	val percent: Float,
 ) {
 
 	override fun equals(other: Any?): Boolean {
@@ -26,6 +27,7 @@ class Bookmark(
 		if (scroll != other.scroll) return false
 		if (imageUrl != other.imageUrl) return false
 		if (createdAt != other.createdAt) return false
+		if (percent != other.percent) return false
 
 		return true
 	}
@@ -38,6 +40,7 @@ class Bookmark(
 		result = 31 * result + scroll
 		result = 31 * result + imageUrl.hashCode()
 		result = 31 * result + createdAt.hashCode()
+		result = 31 * result + percent.hashCode()
 		return result
 	}
 }

app/src/main/java/org/koitharu/kotatsu/core/backup/BackupRepository.kt

@@ -111,6 +111,7 @@ class BackupRepository(private val db: MangaDatabase) {
 		jo.put("chapter_id", chapterId)
 		jo.put("page", page)
 		jo.put("scroll", scroll)
+		jo.put("percent", percent)
 		return jo
 	}
 

app/src/main/java/org/koitharu/kotatsu/core/backup/RestoreRepository.kt

@@ -9,10 +9,7 @@ import org.koitharu.kotatsu.favourites.data.FavouriteCategoryEntity
 import org.koitharu.kotatsu.favourites.data.FavouriteEntity
 import org.koitharu.kotatsu.history.data.HistoryEntity
 import org.koitharu.kotatsu.parsers.model.SortOrder
-import org.koitharu.kotatsu.parsers.util.json.JSONIterator
+import org.koitharu.kotatsu.parsers.util.json.*
-import org.koitharu.kotatsu.parsers.util.json.getBooleanOrDefault
-import org.koitharu.kotatsu.parsers.util.json.getStringOrNull
-import org.koitharu.kotatsu.parsers.util.json.mapJSON
 
 class RestoreRepository(private val db: MangaDatabase) {
 
@@ -95,7 +92,8 @@ class RestoreRepository(private val db: MangaDatabase) {
 		updatedAt = json.getLong("updated_at"),
 		chapterId = json.getLong("chapter_id"),
 		page = json.getInt("page"),
-		scroll = json.getDouble("scroll").toFloat()
+		scroll = json.getDouble("scroll").toFloat(),
+		percent = json.getFloatOrDefault("percent", -1f),
 	)
 
 	private fun parseCategory(json: JSONObject) = FavouriteCategoryEntity(

app/src/main/java/org/koitharu/kotatsu/core/db/MangaDatabase.kt

@@ -6,8 +6,14 @@ import androidx.room.Room
 import androidx.room.RoomDatabase
 import org.koitharu.kotatsu.bookmarks.data.BookmarkEntity
 import org.koitharu.kotatsu.bookmarks.data.BookmarksDao
-import org.koitharu.kotatsu.core.db.dao.*
+import org.koitharu.kotatsu.core.db.dao.MangaDao
-import org.koitharu.kotatsu.core.db.entity.*
+import org.koitharu.kotatsu.core.db.dao.PreferencesDao
+import org.koitharu.kotatsu.core.db.dao.TagsDao
+import org.koitharu.kotatsu.core.db.dao.TrackLogsDao
+import org.koitharu.kotatsu.core.db.entity.MangaEntity
+import org.koitharu.kotatsu.core.db.entity.MangaPrefsEntity
+import org.koitharu.kotatsu.core.db.entity.MangaTagsEntity
+import org.koitharu.kotatsu.core.db.entity.TagEntity
 import org.koitharu.kotatsu.core.db.migrations.*
 import org.koitharu.kotatsu.favourites.data.FavouriteCategoriesDao
 import org.koitharu.kotatsu.favourites.data.FavouriteCategoryEntity
@@ -15,6 +21,8 @@ import org.koitharu.kotatsu.favourites.data.FavouriteEntity
 import org.koitharu.kotatsu.favourites.data.FavouritesDao
 import org.koitharu.kotatsu.history.data.HistoryDao
 import org.koitharu.kotatsu.history.data.HistoryEntity
+import org.koitharu.kotatsu.scrobbling.data.ScrobblingDao
+import org.koitharu.kotatsu.scrobbling.data.ScrobblingEntity
 import org.koitharu.kotatsu.suggestions.data.SuggestionDao
 import org.koitharu.kotatsu.suggestions.data.SuggestionEntity
 import org.koitharu.kotatsu.tracker.data.TrackEntity
@@ -26,8 +34,9 @@ import org.koitharu.kotatsu.tracker.data.TracksDao
 		MangaEntity::class, TagEntity::class, HistoryEntity::class, MangaTagsEntity::class,
 		FavouriteCategoryEntity::class, FavouriteEntity::class, MangaPrefsEntity::class,
 		TrackEntity::class, TrackLogEntity::class, SuggestionEntity::class, BookmarkEntity::class,
+		ScrobblingEntity::class,
 	],
-	version = 11,
+	version = 12,
 )
 abstract class MangaDatabase : RoomDatabase() {
 
@@ -50,6 +59,8 @@ abstract class MangaDatabase : RoomDatabase() {
 	abstract val suggestionDao: SuggestionDao
 
 	abstract val bookmarksDao: BookmarksDao
+
+	abstract val scrobblingDao: ScrobblingDao
 }
 
 fun MangaDatabase(context: Context): MangaDatabase = Room.databaseBuilder(
@@ -67,6 +78,7 @@ fun MangaDatabase(context: Context): MangaDatabase = Room.databaseBuilder(
 	Migration8To9(),
 	Migration9To10(),
 	Migration10To11(),
+	Migration11To12(),
 ).addCallback(
 	DatabasePrePopulateCallback(context.resources)
 ).build()

app/src/main/java/org/koitharu/kotatsu/core/db/migrations/Migration11To12.kt

@@ -0,0 +1,27 @@
+package org.koitharu.kotatsu.core.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration11To12 : Migration(11, 12) {
+
+	override fun migrate(database: SupportSQLiteDatabase) {
+		database.execSQL(
+			"""
+			CREATE TABLE IF NOT EXISTS `scrobblings` (
+				`scrobbler` INTEGER NOT NULL,
+				`id` INTEGER NOT NULL,
+				`manga_id` INTEGER NOT NULL,
+				`target_id` INTEGER NOT NULL, 
+				`status` TEXT,
+				`chapter` INTEGER NOT NULL, 
+				`comment` TEXT,
+				`rating` REAL NOT NULL,
+				PRIMARY KEY(`scrobbler`, `id`, `manga_id`)
+			)
+			""".trimIndent()
+		)
+		database.execSQL("ALTER TABLE history ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
+		database.execSQL("ALTER TABLE bookmarks ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
+	}
+}

app/src/main/java/org/koitharu/kotatsu/core/model/MangaHistory.kt

@@ -11,4 +11,5 @@ data class MangaHistory(
 	val chapterId: Long,
 	val page: Int,
 	val scroll: Int,
+	val percent: Float,
 ) : Parcelable

app/src/main/java/org/koitharu/kotatsu/core/model/parcelable/ParcelableMangaChapters.kt

@@ -3,14 +3,13 @@ package org.koitharu.kotatsu.core.model.parcelable
 import android.os.Parcel
 import android.os.Parcelable
 import org.koitharu.kotatsu.parsers.model.MangaChapter
-import org.koitharu.kotatsu.utils.ext.createList
 
 class ParcelableMangaChapters(
 	val chapters: List<MangaChapter>,
 ) : Parcelable {
 
 	constructor(parcel: Parcel) : this(
-		createList(parcel.readInt()) { parcel.readMangaChapter() }
+		List(parcel.readInt()) { parcel.readMangaChapter() }
 	)
 
 	override fun writeToParcel(parcel: Parcel, flags: Int) {

app/src/main/java/org/koitharu/kotatsu/core/model/parcelable/ParcelableMangaPages.kt

@@ -3,14 +3,13 @@ package org.koitharu.kotatsu.core.model.parcelable
 import android.os.Parcel
 import android.os.Parcelable
 import org.koitharu.kotatsu.parsers.model.MangaPage
-import org.koitharu.kotatsu.utils.ext.createList
 
 class ParcelableMangaPages(
 	val pages: List<MangaPage>,
 ) : Parcelable {
 
 	constructor(parcel: Parcel) : this(
-		createList(parcel.readInt()) { parcel.readMangaPage() }
+		List(parcel.readInt()) { parcel.readMangaPage() }
 	)
 
 	override fun writeToParcel(parcel: Parcel, flags: Int) {

app/src/main/java/org/koitharu/kotatsu/core/model/parcelable/ParcelableMangaTags.kt

@@ -3,14 +3,14 @@ package org.koitharu.kotatsu.core.model.parcelable
 import android.os.Parcel
 import android.os.Parcelable
 import org.koitharu.kotatsu.parsers.model.MangaTag
-import org.koitharu.kotatsu.utils.ext.createSet
+import org.koitharu.kotatsu.utils.ext.Set
 
 class ParcelableMangaTags(
 	val tags: Set<MangaTag>,
 ) : Parcelable {
 
 	constructor(parcel: Parcel) : this(
-		createSet(parcel.readInt()) { parcel.readMangaTag() }
+		Set(parcel.readInt()) { parcel.readMangaTag() }
 	)
 
 	override fun writeToParcel(parcel: Parcel, flags: Int) {

app/src/main/java/org/koitharu/kotatsu/core/network/CloudFlareInterceptor.kt

@@ -17,7 +17,7 @@ class CloudFlareInterceptor : Interceptor {
 		if (response.code == HTTP_FORBIDDEN || response.code == HTTP_UNAVAILABLE) {
 			if (response.header(HEADER_SERVER)?.startsWith(SERVER_CLOUDFLARE) == true) {
 				response.closeQuietly()
-				throw CloudFlareProtectedException(chain.request().url.toString())
+				throw CloudFlareProtectedException(response.request.url.toString())
 			}
 		}
 		return response

app/src/main/java/org/koitharu/kotatsu/core/network/CommonHeaders.kt

@@ -9,6 +9,7 @@ object CommonHeaders {
 	const val ACCEPT = "Accept"
 	const val CONTENT_DISPOSITION = "Content-Disposition"
 	const val COOKIE = "Cookie"
+	const val AUTHORIZATION = "Authorization"
 
 	val CACHE_CONTROL_DISABLED: CacheControl
 		get() = CacheControl.Builder().noStore().build()

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

@@ -10,6 +10,10 @@ import androidx.collection.arraySetOf
 import androidx.core.content.edit
 import androidx.preference.PreferenceManager
 import com.google.android.material.color.DynamicColors
+import java.io.File
+import java.text.DateFormat
+import java.text.SimpleDateFormat
+import java.util.*
 import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.channels.trySendBlocking
 import kotlinx.coroutines.flow.callbackFlow
@@ -18,12 +22,9 @@ import org.koitharu.kotatsu.core.model.ZoomMode
 import org.koitharu.kotatsu.core.network.DoHProvider
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.utils.ext.getEnumValue
+import org.koitharu.kotatsu.utils.ext.observe
 import org.koitharu.kotatsu.utils.ext.putEnumValue
 import org.koitharu.kotatsu.utils.ext.toUriOrNull
-import java.io.File
-import java.text.DateFormat
-import java.text.SimpleDateFormat
-import java.util.*
 
 class AppSettings(context: Context) {
 
@@ -104,10 +105,13 @@ class AppSettings(context: Context) {
 	val isReaderModeDetectionEnabled: Boolean
 		get() = prefs.getBoolean(KEY_READER_MODE_DETECT, true)
 
-	var historyGrouping: Boolean
+	var isHistoryGroupingEnabled: Boolean
 		get() = prefs.getBoolean(KEY_HISTORY_GROUPING, true)
 		set(value) = prefs.edit { putBoolean(KEY_HISTORY_GROUPING, value) }
 
+	val isReadingIndicatorsEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READING_INDICATORS, true)
+
 	val isHistoryExcludeNsfw: Boolean
 		get() = prefs.getBoolean(KEY_HISTORY_EXCLUDE_NSFW, false)
 
@@ -246,15 +250,7 @@ class AppSettings(context: Context) {
 		prefs.unregisterOnSharedPreferenceChangeListener(listener)
 	}
 
-	fun observe() = callbackFlow<String> {
+	fun observe() = prefs.observe()
-		val listener = SharedPreferences.OnSharedPreferenceChangeListener { _, key ->
-			trySendBlocking(key)
-		}
-		prefs.registerOnSharedPreferenceChangeListener(listener)
-		awaitClose {
-			prefs.unregisterOnSharedPreferenceChangeListener(listener)
-		}
-	}
 
 	companion object {
 
@@ -303,6 +299,7 @@ class AppSettings(context: Context) {
 		const val KEY_BACKUP = "backup"
 		const val KEY_RESTORE = "restore"
 		const val KEY_HISTORY_GROUPING = "history_grouping"
+		const val KEY_READING_INDICATORS = "reading_indicators"
 		const val KEY_REVERSE_CHAPTERS = "reverse_chapters"
 		const val KEY_HISTORY_EXCLUDE_NSFW = "history_exclude_nsfw"
 		const val KEY_PAGES_NUMBERS = "pages_numbers"
@@ -312,6 +309,7 @@ class AppSettings(context: Context) {
 		const val KEY_SUGGESTIONS_EXCLUDE_NSFW = "suggestions_exclude_nsfw"
 		const val KEY_SUGGESTIONS_EXCLUDE_TAGS = "suggestions_exclude_tags"
 		const val KEY_SEARCH_SINGLE_SOURCE = "search_single_source"
+		const val KEY_SHIKIMORI = "shikimori"
 		const val KEY_DOWNLOADS_PARALLELISM = "downloads_parallelism"
 		const val KEY_DOWNLOADS_SLOWDOWN = "downloads_slowdown"
 		const val KEY_ALL_FAVOURITES_VISIBLE = "all_favourites_visible"

app/src/main/java/org/koitharu/kotatsu/core/ui/uiModule.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.ui
 
+import android.text.Html
 import coil.ComponentRegistry
 import coil.ImageLoader
 import coil.disk.DiskCache
@@ -10,6 +11,7 @@ import org.koin.dsl.module
 import org.koitharu.kotatsu.core.parser.FaviconMapper
 import org.koitharu.kotatsu.local.data.CacheDir
 import org.koitharu.kotatsu.local.data.CbzFetcher
+import org.koitharu.kotatsu.utils.image.CoilImageGetter
 
 val uiModule
 	get() = module {
@@ -29,6 +31,9 @@ val uiModule
 			ImageLoader.Builder(androidContext())
 				.okHttpClient(httpClientFactory)
 				.interceptorDispatcher(Dispatchers.Default)
+				.fetcherDispatcher(Dispatchers.IO)
+				.decoderDispatcher(Dispatchers.Default)
+				.transformationDispatcher(Dispatchers.Default)
 				.diskCache(diskCacheFactory)
 				.components(
 					ComponentRegistry.Builder()
@@ -37,4 +42,5 @@ val uiModule
 						.build()
 				).build()
 		}
+		factory<Html.ImageGetter> { CoilImageGetter(androidContext(), get()) }
 	}

app/src/main/java/org/koitharu/kotatsu/details/DetailsModule.kt

@@ -8,6 +8,6 @@ val detailsModule
 	get() = module {
 
 		viewModel { intent ->
-			DetailsViewModel(intent.get(), get(), get(), get(), get(), get(), get(), get())
+			DetailsViewModel(intent.get(), get(), get(), get(), get(), get(), get(), get(), get(), get())
 		}
 	}

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

@@ -5,7 +5,6 @@ import android.os.Bundle
 import android.view.*
 import android.widget.AdapterView
 import android.widget.Spinner
-import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.SearchView
 import androidx.core.graphics.Insets
@@ -16,6 +15,7 @@ import com.google.android.material.snackbar.Snackbar
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseFragment
+import org.koitharu.kotatsu.base.ui.list.ListSelectionController
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.databinding.FragmentChaptersBinding
 import org.koitharu.kotatsu.details.ui.adapter.BranchesAdapter
@@ -34,16 +34,15 @@ import kotlin.math.roundToInt
 class ChaptersFragment :
 	BaseFragment<FragmentChaptersBinding>(),
 	OnListItemClickListener<ChapterListItem>,
-	ActionMode.Callback,
 	AdapterView.OnItemSelectedListener,
 	MenuItem.OnActionExpandListener,
-	SearchView.OnQueryTextListener {
+	SearchView.OnQueryTextListener,
+	ListSelectionController.Callback {
 
 	private val viewModel by sharedViewModel<DetailsViewModel>()
 
 	private var chaptersAdapter: ChaptersAdapter? = null
-	private var actionMode: ActionMode? = null
+	private var selectionController: ListSelectionController? = null
-	private var selectionDecoration: ChaptersSelectionDecoration? = null
 
 	override fun onInflateView(
 		inflater: LayoutInflater,
@@ -53,9 +52,14 @@ class ChaptersFragment :
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
 		chaptersAdapter = ChaptersAdapter(this)
-		selectionDecoration = ChaptersSelectionDecoration(view.context)
+		selectionController = ListSelectionController(
+			activity = requireActivity(),
+			decoration = ChaptersSelectionDecoration(view.context),
+			registryOwner = this,
+			callback = this,
+		)
 		with(binding.recyclerViewChapters) {
-			addItemDecoration(selectionDecoration!!)
+			checkNotNull(selectionController).attachToRecyclerView(this)
 			setHasFixedSize(true)
 			adapter = chaptersAdapter
 		}
@@ -74,20 +78,13 @@ class ChaptersFragment :
 
 	override fun onDestroyView() {
 		chaptersAdapter = null
-		selectionDecoration = null
+		selectionController = null
 		binding.spinnerBranches?.adapter = null
 		super.onDestroyView()
 	}
 
 	override fun onItemClick(item: ChapterListItem, view: View) {
-		if (selectionDecoration?.checkedItemsCount != 0) {
+		if (selectionController?.onItemClick(item.chapter.id) == true) {
-			selectionDecoration?.toggleItemChecked(item.chapter.id)
-			if (selectionDecoration?.checkedItemsCount == 0) {
-				actionMode?.finish()
-			} else {
-				actionMode?.invalidate()
-				binding.recyclerViewChapters.invalidateItemDecorations()
-			}
 			return
 		}
 		if (item.hasFlag(ChapterListItem.FLAG_MISSING)) {
@@ -106,14 +103,7 @@ class ChaptersFragment :
 	}
 
 	override fun onItemLongClick(item: ChapterListItem, view: View): Boolean {
-		if (actionMode == null) {
+		return selectionController?.onItemLongClick(item.chapter.id) ?: false
-			actionMode = (activity as? AppCompatActivity)?.startSupportActionMode(this)
-		}
-		return actionMode?.also {
-			selectionDecoration?.setItemIsChecked(item.chapter.id, true)
-			binding.recyclerViewChapters.invalidateItemDecorations()
-			it.invalidate()
-		} != null
 	}
 
 	override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
@@ -122,13 +112,13 @@ class ChaptersFragment :
 				DownloadService.start(
 					context ?: return false,
 					viewModel.getRemoteManga() ?: viewModel.manga.value ?: return false,
-					selectionDecoration?.checkedItemsIds?.toSet()
+					selectionController?.snapshot(),
 				)
 				mode.finish()
 				true
 			}
 			R.id.action_delete -> {
-				val ids = selectionDecoration?.checkedItemsIds
+				val ids = selectionController?.peekCheckedIds()
 				val manga = viewModel.manga.value
 				when {
 					ids.isNullOrEmpty() || manga == null -> Unit
@@ -147,9 +137,7 @@ class ChaptersFragment :
 			}
 			R.id.action_select_all -> {
 				val ids = chaptersAdapter?.items?.map { it.chapter.id } ?: return false
-				selectionDecoration?.checkAll(ids)
+				selectionController?.addAll(ids)
-				binding.recyclerViewChapters.invalidateItemDecorations()
-				mode.invalidate()
 				true
 			}
 			else -> false
@@ -169,7 +157,7 @@ class ChaptersFragment :
 	}
 
 	override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
-		val selectedIds = selectionDecoration?.checkedItemsIds ?: return false
+		val selectedIds = selectionController?.peekCheckedIds() ?: return false
 		val items = chaptersAdapter?.items?.filter { x -> x.chapter.id in selectedIds }.orEmpty()
 		menu.findItem(R.id.action_save).isVisible = items.none { x ->
 			x.chapter.source == MangaSource.LOCAL
@@ -181,10 +169,8 @@ class ChaptersFragment :
 		return true
 	}
 
-	override fun onDestroyActionMode(mode: ActionMode?) {
+	override fun onSelectionChanged(count: Int) {
-		selectionDecoration?.clearSelection()
 		binding.recyclerViewChapters.invalidateItemDecorations()
-		actionMode = null
 	}
 
 	override fun onMenuItemActionExpand(item: MenuItem?): Boolean = true

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

@@ -21,6 +21,7 @@ import androidx.core.view.updatePadding
 import androidx.fragment.app.commit
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.tabs.TabLayout
 import com.google.android.material.tabs.TabLayoutMediator
 import kotlinx.coroutines.launch
@@ -42,8 +43,11 @@ import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import org.koitharu.kotatsu.reader.ui.ReaderState
+import org.koitharu.kotatsu.scrobbling.ui.selector.ScrobblingSelectorBottomSheet
 import org.koitharu.kotatsu.search.ui.multi.MultiSearchActivity
 import org.koitharu.kotatsu.utils.ext.getDisplayMessage
+import org.koitharu.kotatsu.utils.ext.isReportable
+import org.koitharu.kotatsu.utils.ext.report
 
 class DetailsActivity :
 	BaseActivity<ActivityDetailsBinding>(),
@@ -81,7 +85,7 @@ class DetailsActivity :
 		viewModel.onMangaRemoved.observe(this, ::onMangaRemoved)
 		viewModel.onError.observe(this, ::onError)
 		viewModel.onShowToast.observe(this) {
-			binding.snackbar.show(messageText = getString(it), longDuration = false)
+			binding.snackbar.show(messageText = getString(it))
 		}
 
 		registerReceiver(downloadReceiver, IntentFilter(DownloadService.ACTION_DOWNLOAD_COMPLETE))
@@ -114,6 +118,21 @@ class DetailsActivity :
 				Toast.makeText(this, e.getDisplayMessage(resources), Toast.LENGTH_LONG).show()
 				finishAfterTransition()
 			}
+			e.isReportable() -> {
+				binding.snackbar.show(
+					messageText = e.getDisplayMessage(resources),
+					actionId = R.string.report,
+					duration = if (viewModel.manga.value?.chapters == null) {
+						Snackbar.LENGTH_INDEFINITE
+					} else {
+						Snackbar.LENGTH_LONG
+					},
+					onActionClick = {
+						e.report("DetailsActivity::onError")
+						dismiss()
+					}
+				)
+			}
 			else -> {
 				binding.snackbar.show(e.getDisplayMessage(resources))
 			}
@@ -151,14 +170,11 @@ class DetailsActivity :
 
 	override fun onPrepareOptionsMenu(menu: Menu): Boolean {
 		val manga = viewModel.manga.value
-		menu.findItem(R.id.action_save).isVisible =
+		menu.findItem(R.id.action_save).isVisible = manga?.source != null && manga.source != MangaSource.LOCAL
-			manga?.source != null && manga.source != MangaSource.LOCAL
+		menu.findItem(R.id.action_delete).isVisible = manga?.source == MangaSource.LOCAL
-		menu.findItem(R.id.action_delete).isVisible =
+		menu.findItem(R.id.action_browser).isVisible = manga?.source != MangaSource.LOCAL
-			manga?.source == MangaSource.LOCAL
+		menu.findItem(R.id.action_shortcut).isVisible = ShortcutManagerCompat.isRequestPinShortcutSupported(this)
-		menu.findItem(R.id.action_browser).isVisible =
+		menu.findItem(R.id.action_shiki_track).isVisible = viewModel.isScrobblingAvailable
-			manga?.source != MangaSource.LOCAL
-		menu.findItem(R.id.action_shortcut).isVisible =
-			ShortcutManagerCompat.isRequestPinShortcutSupported(this)
 		return super.onPrepareOptionsMenu(menu)
 	}
 
@@ -199,6 +215,12 @@ class DetailsActivity :
 			}
 			true
 		}
+		R.id.action_shiki_track -> {
+			viewModel.manga.value?.let {
+				ScrobblingSelectorBottomSheet.show(supportFragmentManager, it)
+			}
+			true
+		}
 		R.id.action_shortcut -> {
 			viewModel.manga.value?.let {
 				lifecycleScope.launch {

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

@@ -17,9 +17,11 @@ import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
 import coil.ImageLoader
 import coil.request.ImageRequest
+import coil.size.Scale
 import coil.util.CoilUtils
 import com.google.android.material.chip.Chip
 import kotlinx.coroutines.launch
+import org.koin.android.ext.android.get
 import org.koin.android.ext.android.inject
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel
 import org.koitharu.kotatsu.R
@@ -31,7 +33,9 @@ import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.ui.BookmarksAdapter
 import org.koitharu.kotatsu.core.model.MangaHistory
 import org.koitharu.kotatsu.databinding.FragmentDetailsBinding
+import org.koitharu.kotatsu.details.ui.scrobbling.ScrobblingInfoBottomSheet
 import org.koitharu.kotatsu.favourites.ui.categories.select.FavouriteCategoriesBottomSheet
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
 import org.koitharu.kotatsu.image.ui.ImageActivity
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -39,6 +43,7 @@ import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import org.koitharu.kotatsu.reader.ui.ReaderState
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblingInfo
 import org.koitharu.kotatsu.search.ui.MangaListActivity
 import org.koitharu.kotatsu.search.ui.SearchActivity
 import org.koitharu.kotatsu.utils.FileSize
@@ -67,6 +72,7 @@ class DetailsFragment :
 		binding.buttonRead.setOnClickListener(this)
 		binding.buttonRead.setOnLongClickListener(this)
 		binding.imageViewCover.setOnClickListener(this)
+		binding.scrobblingLayout.root.setOnClickListener(this)
 		binding.textViewDescription.movementMethod = LinkMovementMethod.getInstance()
 		binding.chipsTags.onChipClickListener = this
 		viewModel.manga.observe(viewLifecycleOwner, ::onMangaUpdated)
@@ -74,6 +80,8 @@ class DetailsFragment :
 		viewModel.favouriteCategories.observe(viewLifecycleOwner, ::onFavouriteChanged)
 		viewModel.readingHistory.observe(viewLifecycleOwner, ::onHistoryChanged)
 		viewModel.bookmarks.observe(viewLifecycleOwner, ::onBookmarksChanged)
+		viewModel.scrobblingInfo.observe(viewLifecycleOwner, ::onScrobblingInfoChanged)
+		viewModel.description.observe(viewLifecycleOwner, ::onDescriptionChanged)
 		addMenuProvider(DetailsMenuProvider())
 	}
 
@@ -102,8 +110,6 @@ class DetailsFragment :
 			textViewTitle.text = manga.title
 			textViewSubtitle.textAndVisible = manga.altTitle
 			textViewAuthor.textAndVisible = manga.author
-			textViewDescription.text = manga.description?.parseAsHtml()?.takeUnless(Spanned::isBlank)
-				?: getString(R.string.no_description)
 			when (manga.state) {
 				MangaState.FINISHED -> {
 					textViewState.apply {
@@ -166,6 +172,14 @@ class DetailsFragment :
 		}
 	}
 
+	private fun onDescriptionChanged(description: CharSequence?) {
+		if (description.isNullOrBlank()) {
+			binding.textViewDescription.setText(R.string.no_description)
+		} else {
+			binding.textViewDescription.text = description
+		}
+	}
+
 	private fun onHistoryChanged(history: MangaHistory?) {
 		with(binding.buttonRead) {
 			if (history == null) {
@@ -176,6 +190,7 @@ class DetailsFragment :
 				setIconResource(R.drawable.ic_play)
 			}
 		}
+		binding.progressView.setPercent(history?.percent ?: PROGRESS_NONE, animate = true)
 	}
 
 	private fun onFavouriteChanged(isFavourite: Boolean) {
@@ -209,12 +224,39 @@ class DetailsFragment :
 		}
 	}
 
+	private fun onScrobblingInfoChanged(scrobbling: ScrobblingInfo?) {
+		with(binding.scrobblingLayout) {
+			root.isVisible = scrobbling != null
+			if (scrobbling == null) {
+				CoilUtils.dispose(imageViewCover)
+				return
+			}
+			imageViewCover.newImageRequest(scrobbling.coverUrl)
+				.crossfade(true)
+				.placeholder(R.drawable.ic_placeholder)
+				.fallback(R.drawable.ic_placeholder)
+				.error(R.drawable.ic_placeholder)
+				.scale(Scale.FILL)
+				.lifecycle(viewLifecycleOwner)
+				.enqueueWith(coil)
+			textViewTitle.text = scrobbling.title
+			textViewTitle.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, scrobbling.scrobbler.iconResId, 0)
+			ratingBar.rating = scrobbling.rating * ratingBar.numStars
+			textViewStatus.text = scrobbling.status?.let {
+				resources.getStringArray(R.array.scrobbling_statuses).getOrNull(it.ordinal)
+			}
+		}
+	}
+
 	override fun onClick(v: View) {
 		val manga = viewModel.manga.value ?: return
 		when (v.id) {
 			R.id.button_favorite -> {
 				FavouriteCategoriesBottomSheet.show(childFragmentManager, manga)
 			}
+			R.id.scrobbling_layout -> {
+				ScrobblingInfoBottomSheet.show(childFragmentManager)
+			}
 			R.id.button_read -> {
 				val chapterId = viewModel.readingHistory.value?.chapterId
 				if (chapterId != null && manga.chapters?.none { x -> x.id == chapterId } == true) {

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

@@ -1,10 +1,11 @@
 package org.koitharu.kotatsu.details.ui
 
+import android.text.Html
+import androidx.core.text.parseAsHtml
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.asFlow
 import androidx.lifecycle.asLiveData
 import androidx.lifecycle.viewModelScope
-import java.io.IOException
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.*
@@ -26,10 +27,13 @@ import org.koitharu.kotatsu.local.domain.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.mapToSet
+import org.koitharu.kotatsu.scrobbling.domain.Scrobbler
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblingStatus
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
+import java.io.IOException
 
 class DetailsViewModel(
 	intent: MangaIntent,
@@ -40,6 +44,8 @@ class DetailsViewModel(
 	mangaDataRepository: MangaDataRepository,
 	private val bookmarksRepository: BookmarksRepository,
 	private val settings: AppSettings,
+	private val scrobbler: Scrobbler,
+	private val imageGetter: Html.ImageGetter,
 ) : BaseViewModel() {
 
 	private val delegate = MangaDetailsDelegate(
@@ -76,9 +82,26 @@ class DetailsViewModel(
 
 	val bookmarks = delegate.manga.flatMapLatest {
 		if (it != null) bookmarksRepository.observeBookmarks(it) else flowOf(emptyList())
-	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default)
+	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, emptyList())
+
+	val description = delegate.manga
+		.distinctUntilChangedBy { it?.description.orEmpty() }
+		.transformLatest {
+			val description = it?.description
+			if (description.isNullOrEmpty()) {
+				emit(null)
+			} else {
+				emit(description.parseAsHtml())
+				emit(description.parseAsHtml(imageGetter = imageGetter))
+			}
+		}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, null)
 
 	val onMangaRemoved = SingleLiveEvent<Manga>()
+	val isScrobblingAvailable: Boolean
+		get() = scrobbler.isAvailable
+
+	val scrobblingInfo = scrobbler.observeScrobblingInfo(delegate.mangaId)
+		.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, null)
 
 	val branches: LiveData<List<String?>> = delegate.manga.map {
 		val chapters = it?.chapters ?: return@map emptyList()
@@ -188,6 +211,25 @@ class DetailsViewModel(
 		}
 	}
 
+	fun updateScrobbling(rating: Float, status: ScrobblingStatus?) {
+		launchJob(Dispatchers.Default) {
+			scrobbler.updateScrobblingInfo(
+				mangaId = delegate.mangaId,
+				rating = rating,
+				status = status,
+				comment = null,
+			)
+		}
+	}
+
+	fun unregisterScrobbling() {
+		launchJob(Dispatchers.Default) {
+			scrobbler.unregisterScrobbling(
+				mangaId = delegate.mangaId
+			)
+		}
+	}
+
 	private fun doLoad() = launchLoadingJob(Dispatchers.Default) {
 		delegate.doLoad()
 	}

app/src/main/java/org/koitharu/kotatsu/details/ui/MangaDetailsDelegate.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.details.ui
 import androidx.core.os.LocaleListCompat
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
+import org.acra.ACRA
 import org.koitharu.kotatsu.base.domain.MangaDataRepository
 import org.koitharu.kotatsu.base.domain.MangaIntent
 import org.koitharu.kotatsu.core.exceptions.MangaNotFoundException
@@ -13,6 +14,7 @@ import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.toListItem
 import org.koitharu.kotatsu.history.domain.HistoryRepository
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
+import org.koitharu.kotatsu.parsers.exception.ParseException
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -20,6 +22,7 @@ import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.parsers.util.toTitleCase
 import org.koitharu.kotatsu.utils.ext.iterator
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
+import org.koitharu.kotatsu.utils.ext.setCurrentManga
 
 class MangaDetailsDelegate(
 	private val intent: MangaIntent,
@@ -32,6 +35,7 @@ class MangaDetailsDelegate(
 	private val mangaData = MutableStateFlow(intent.manga)
 
 	val selectedBranch = MutableStateFlow<String?>(null)
+
 	// Remote manga for saved and saved for remote
 	val relatedManga = MutableStateFlow<Manga?>(null)
 	val manga: StateFlow<Manga?>
@@ -41,6 +45,7 @@ class MangaDetailsDelegate(
 	suspend fun doLoad() {
 		var manga = mangaDataRepository.resolveIntent(intent)
 			?: throw MangaNotFoundException("Cannot find manga")
+		ACRA.setCurrentManga(manga)
 		mangaData.value = manga
 		manga = MangaRepository(manga.source).getDetails(manga)
 		// find default branch

app/src/main/java/org/koitharu/kotatsu/details/ui/scrobbling/ScrobblingInfoBottomSheet.kt

@@ -0,0 +1,150 @@
+package org.koitharu.kotatsu.details.ui.scrobbling
+
+import android.app.ActivityOptions
+import android.content.Intent
+import android.os.Bundle
+import android.text.method.LinkMovementMethod
+import android.view.LayoutInflater
+import android.view.MenuItem
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.RatingBar
+import android.widget.Toast
+import androidx.appcompat.widget.PopupMenu
+import androidx.core.net.toUri
+import androidx.fragment.app.FragmentManager
+import coil.ImageLoader
+import coil.request.ImageRequest
+import coil.size.Scale
+import org.koin.android.ext.android.inject
+import org.koin.androidx.viewmodel.ext.android.sharedViewModel
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.BaseBottomSheet
+import org.koitharu.kotatsu.databinding.SheetScrobblingBinding
+import org.koitharu.kotatsu.details.ui.DetailsViewModel
+import org.koitharu.kotatsu.image.ui.ImageActivity
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblingInfo
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblingStatus
+import org.koitharu.kotatsu.scrobbling.ui.selector.ScrobblingSelectorBottomSheet
+import org.koitharu.kotatsu.utils.ext.enqueueWith
+import org.koitharu.kotatsu.utils.ext.getDisplayMessage
+
+class ScrobblingInfoBottomSheet :
+	BaseBottomSheet<SheetScrobblingBinding>(),
+	AdapterView.OnItemSelectedListener,
+	RatingBar.OnRatingBarChangeListener,
+	View.OnClickListener,
+	PopupMenu.OnMenuItemClickListener {
+
+	private val viewModel by sharedViewModel<DetailsViewModel>()
+	private val coil by inject<ImageLoader>(mode = LazyThreadSafetyMode.NONE)
+	private var menu: PopupMenu? = null
+
+	override fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): SheetScrobblingBinding {
+		return SheetScrobblingBinding.inflate(inflater, container, false)
+	}
+
+	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+		super.onViewCreated(view, savedInstanceState)
+		viewModel.scrobblingInfo.observe(viewLifecycleOwner, ::onScrobblingInfoChanged)
+		viewModel.onError.observe(viewLifecycleOwner) {
+			Toast.makeText(view.context, it.getDisplayMessage(view.resources), Toast.LENGTH_SHORT).show()
+		}
+
+		binding.spinnerStatus.onItemSelectedListener = this
+		binding.ratingBar.onRatingBarChangeListener = this
+		binding.buttonMenu.setOnClickListener(this)
+		binding.imageViewCover.setOnClickListener(this)
+		binding.textViewDescription.movementMethod = LinkMovementMethod.getInstance()
+
+		menu = PopupMenu(view.context, binding.buttonMenu).apply {
+			inflate(R.menu.opt_scrobbling)
+			setOnMenuItemClickListener(this@ScrobblingInfoBottomSheet)
+		}
+	}
+
+	override fun onDestroyView() {
+		super.onDestroyView()
+		menu = null
+	}
+
+	override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+		viewModel.updateScrobbling(
+			rating = binding.ratingBar.rating / binding.ratingBar.numStars,
+			status = enumValues<ScrobblingStatus>().getOrNull(position),
+		)
+	}
+
+	override fun onNothingSelected(parent: AdapterView<*>?) = Unit
+
+	override fun onRatingChanged(ratingBar: RatingBar, rating: Float, fromUser: Boolean) {
+		if (fromUser) {
+			viewModel.updateScrobbling(
+				rating = rating / ratingBar.numStars,
+				status = enumValues<ScrobblingStatus>().getOrNull(binding.spinnerStatus.selectedItemPosition),
+			)
+		}
+	}
+
+	override fun onClick(v: View) {
+		when (v.id) {
+			R.id.button_menu -> menu?.show()
+			R.id.imageView_cover -> {
+				val coverUrl = viewModel.scrobblingInfo.value?.coverUrl ?: return
+				val options = ActivityOptions.makeScaleUpAnimation(v, 0, 0, v.width, v.height)
+				startActivity(ImageActivity.newIntent(v.context, coverUrl), options.toBundle())
+			}
+		}
+	}
+
+	private fun onScrobblingInfoChanged(scrobbling: ScrobblingInfo?) {
+		if (scrobbling == null) {
+			dismissAllowingStateLoss()
+			return
+		}
+		binding.textViewTitle.text = scrobbling.title
+		binding.ratingBar.rating = scrobbling.rating * binding.ratingBar.numStars
+		binding.textViewDescription.text = scrobbling.description
+		binding.spinnerStatus.setSelection(scrobbling.status?.ordinal ?: -1)
+		ImageRequest.Builder(context ?: return)
+			.target(binding.imageViewCover)
+			.data(scrobbling.coverUrl)
+			.crossfade(true)
+			.lifecycle(viewLifecycleOwner)
+			.placeholder(R.drawable.ic_placeholder)
+			.fallback(R.drawable.ic_placeholder)
+			.error(R.drawable.ic_placeholder)
+			.scale(Scale.FILL)
+			.enqueueWith(coil)
+	}
+
+	companion object {
+
+		private const val TAG = "ScrobblingInfoBottomSheet"
+
+		fun show(fm: FragmentManager) = ScrobblingInfoBottomSheet().show(fm, TAG)
+	}
+
+	override fun onMenuItemClick(item: MenuItem): Boolean {
+		when (item.itemId) {
+			R.id.action_browser -> {
+				val url = viewModel.scrobblingInfo.value?.externalUrl ?: return false
+				val intent = Intent(Intent.ACTION_VIEW, url.toUri())
+				startActivity(
+					Intent.createChooser(intent, getString(R.string.open_in_browser))
+				)
+			}
+			R.id.action_unregister -> {
+				viewModel.unregisterScrobbling()
+				dismiss()
+			}
+			R.id.action_edit -> {
+				val manga = viewModel.manga.value ?: return false
+				ScrobblingSelectorBottomSheet.show(parentFragmentManager, manga)
+				dismiss()
+			}
+		}
+		return true
+	}
+}

app/src/main/java/org/koitharu/kotatsu/favourites/FavouritesModule.kt

@@ -11,10 +11,10 @@ import org.koitharu.kotatsu.favourites.ui.list.FavouritesListViewModel
 val favouritesModule
 	get() = module {
 
-		factory { FavouritesRepository(get(), get()) }
+		single { FavouritesRepository(get(), get()) }
 
 		viewModel { categoryId ->
-			FavouritesListViewModel(categoryId.get(), get(), get(), get())
+			FavouritesListViewModel(categoryId.get(), get(), get(), get(), get())
 		}
 		viewModel { FavouritesCategoriesViewModel(get(), get()) }
 		viewModel { manga ->

app/src/main/java/org/koitharu/kotatsu/favourites/ui/categories/edit/FavouritesCategoryEditActivity.kt

@@ -7,6 +7,7 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.AdapterView
 import android.widget.ArrayAdapter
+import android.widget.Filter
 import androidx.core.graphics.Insets
 import androidx.core.view.isVisible
 import androidx.core.view.updateLayoutParams
@@ -115,7 +116,7 @@ class FavouritesCategoryEditActivity : BaseActivity<ActivityCategoryEditBinding>
 
 	private fun initSortSpinner() {
 		val entries = CategoriesActivity.SORT_ORDERS.map { getString(it.titleRes) }
-		val adapter = ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, entries)
+		val adapter = SortAdapter(this, entries)
 		binding.editSort.setAdapter(adapter)
 		binding.editSort.onItemClickListener = this
 	}
@@ -127,6 +128,19 @@ class FavouritesCategoryEditActivity : BaseActivity<ActivityCategoryEditBinding>
 		return CategoriesActivity.SORT_ORDERS.getOrNull(index) ?: SortOrder.NEWEST
 	}
 
+	private class SortAdapter(
+		context: Context,
+		entries: List<String>,
+	) : ArrayAdapter<String>(context, android.R.layout.simple_spinner_dropdown_item, entries) {
+
+		override fun getFilter(): Filter = EmptyFilter
+
+		private object EmptyFilter : Filter() {
+			override fun performFiltering(constraint: CharSequence?) = FilterResults()
+			override fun publishResults(constraint: CharSequence?, results: FilterResults?) = Unit
+		}
+	}
+
 	companion object {
 
 		private const val EXTRA_ID = "id"

app/src/main/java/org/koitharu/kotatsu/favourites/ui/list/FavouritesListViewModel.kt

@@ -11,7 +11,9 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.favourites.ui.list.FavouritesListFragment.Companion.NO_ID
-import org.koitharu.kotatsu.list.domain.CountersProvider
+import org.koitharu.kotatsu.history.domain.HistoryRepository
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
+import org.koitharu.kotatsu.list.domain.ListExtraProvider
 import org.koitharu.kotatsu.list.ui.MangaListViewModel
 import org.koitharu.kotatsu.list.ui.model.EmptyState
 import org.koitharu.kotatsu.list.ui.model.LoadingState
@@ -25,8 +27,9 @@ class FavouritesListViewModel(
 	private val categoryId: Long,
 	private val repository: FavouritesRepository,
 	private val trackingRepository: TrackingRepository,
-	settings: AppSettings,
+	private val historyRepository: HistoryRepository,
-) : MangaListViewModel(settings), CountersProvider {
+	private val settings: AppSettings,
+) : MangaListViewModel(settings), ListExtraProvider {
 
 	var sortOrder: LiveData<SortOrder?> = if (categoryId == NO_ID) {
 		MutableLiveData(null)
@@ -47,7 +50,7 @@ class FavouritesListViewModel(
 		when {
 			list.isEmpty() -> listOf(
 				EmptyState(
-					icon = R.drawable.ic_heart_outline,
+					icon = R.drawable.ic_empty_favourites,
 					textPrimary = R.string.text_empty_holder_primary,
 					textSecondary = if (categoryId == NO_ID) {
 						R.string.you_have_not_favourites_yet
@@ -92,4 +95,12 @@ class FavouritesListViewModel(
 	override suspend fun getCounter(mangaId: Long): Int {
 		return trackingRepository.getNewChaptersCount(mangaId)
 	}
+
+	override suspend fun getProgress(mangaId: Long): Float {
+		return if (settings.isReadingIndicatorsEnabled) {
+			historyRepository.getProgress(mangaId)
+		} else {
+			PROGRESS_NONE
+		}
+	}
 }

app/src/main/java/org/koitharu/kotatsu/history/HistoryModule.kt

@@ -8,6 +8,7 @@ import org.koitharu.kotatsu.history.ui.HistoryListViewModel
 val historyModule
 	get() = module {
 
-		factory { HistoryRepository(get(), get(), get()) }
+		single { HistoryRepository(get(), get(), get(), getAll()) }
+
 		viewModel { HistoryListViewModel(get(), get(), get(), get()) }
 	}

app/src/main/java/org/koitharu/kotatsu/history/data/EntityMapping.kt

@@ -1,12 +1,13 @@
 package org.koitharu.kotatsu.history.data
 
-import java.util.*
 import org.koitharu.kotatsu.core.model.MangaHistory
+import java.util.*
 
 fun HistoryEntity.toMangaHistory() = MangaHistory(
 	createdAt = Date(createdAt),
 	updatedAt = Date(updatedAt),
 	chapterId = chapterId,
 	page = page,
-	scroll = scroll.toInt()
+	scroll = scroll.toInt(),
+	percent = percent,
 )

app/src/main/java/org/koitharu/kotatsu/history/data/HistoryDao.kt

@@ -45,26 +45,36 @@ abstract class HistoryDao {
 	@Query("SELECT COUNT(*) FROM history")
 	abstract fun observeCount(): Flow<Int>
 
+	@Query("SELECT percent FROM history WHERE manga_id = :id")
+	abstract fun findProgress(id: Long): Float?
+
 	@Query("DELETE FROM history")
 	abstract suspend fun clear()
 
 	@Insert(onConflict = OnConflictStrategy.IGNORE)
 	abstract suspend fun insert(entity: HistoryEntity): Long
 
-	@Query("UPDATE history SET page = :page, chapter_id = :chapterId, scroll = :scroll, updated_at = :updatedAt WHERE manga_id = :mangaId")
+	@Query("UPDATE history SET page = :page, chapter_id = :chapterId, scroll = :scroll, percent = :percent, updated_at = :updatedAt WHERE manga_id = :mangaId")
 	abstract suspend fun update(
 		mangaId: Long,
 		page: Int,
 		chapterId: Long,
 		scroll: Float,
-		updatedAt: Long
+		percent: Float,
+		updatedAt: Long,
 	): Int
 
 	@Query("DELETE FROM history WHERE manga_id = :mangaId")
 	abstract suspend fun delete(mangaId: Long)
 
-	suspend fun update(entity: HistoryEntity) =
+	suspend fun update(entity: HistoryEntity) = update(
-		update(entity.mangaId, entity.page, entity.chapterId, entity.scroll, entity.updatedAt)
+		mangaId = entity.mangaId,
+		page = entity.page,
+		chapterId = entity.chapterId,
+		scroll = entity.scroll,
+		percent = entity.percent,
+		updatedAt = entity.updatedAt
+	)
 
 	@Transaction
 	open suspend fun upsert(entity: HistoryEntity): Boolean {

app/src/main/java/org/koitharu/kotatsu/history/data/HistoryEntity.kt

@@ -13,16 +13,17 @@ import org.koitharu.kotatsu.core.db.entity.MangaEntity
 			entity = MangaEntity::class,
 			parentColumns = ["manga_id"],
 			childColumns = ["manga_id"],
-			onDelete = ForeignKey.CASCADE
+			onDelete = ForeignKey.CASCADE,
 		)
 	]
 )
 class HistoryEntity(
 	@PrimaryKey(autoGenerate = false)
 	@ColumnInfo(name = "manga_id") val mangaId: Long,
-	@ColumnInfo(name = "created_at") val createdAt: Long = System.currentTimeMillis(),
+	@ColumnInfo(name = "created_at") val createdAt: Long,
 	@ColumnInfo(name = "updated_at") val updatedAt: Long,
 	@ColumnInfo(name = "chapter_id") val chapterId: Long,
 	@ColumnInfo(name = "page") val page: Int,
 	@ColumnInfo(name = "scroll") val scroll: Float,
+	@ColumnInfo(name = "percent") val percent: Float,
 )

app/src/main/java/org/koitharu/kotatsu/history/domain/HistoryRepository.kt

@@ -13,13 +13,18 @@ import org.koitharu.kotatsu.history.data.HistoryEntity
 import org.koitharu.kotatsu.history.data.toMangaHistory
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaTag
+import org.koitharu.kotatsu.scrobbling.domain.Scrobbler
+import org.koitharu.kotatsu.scrobbling.domain.tryScrobble
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.utils.ext.mapItems
 
+const val PROGRESS_NONE = -1f
+
 class HistoryRepository(
 	private val db: MangaDatabase,
 	private val trackingRepository: TrackingRepository,
 	private val settings: AppSettings,
+	private val scrobblers: List<Scrobbler>,
 ) {
 
 	suspend fun getList(offset: Int, limit: Int = 20): List<Manga> {
@@ -59,7 +64,7 @@ class HistoryRepository(
 			.distinctUntilChanged()
 	}
 
-	suspend fun addOrUpdate(manga: Manga, chapterId: Long, page: Int, scroll: Int) {
+	suspend fun addOrUpdate(manga: Manga, chapterId: Long, page: Int, scroll: Int, percent: Float) {
 		if (manga.isNsfw && settings.isHistoryExcludeNsfw) {
 			return
 		}
@@ -75,9 +80,14 @@ class HistoryRepository(
 					chapterId = chapterId,
 					page = page,
 					scroll = scroll.toFloat(), // we migrate to int, but decide to not update database
+					percent = percent,
 				)
 			)
 			trackingRepository.syncWithHistory(manga, chapterId)
+			val chapter = manga.chapters?.find { x -> x.id == chapterId }
+			if (chapter != null) {
+				scrobblers.forEach { it.tryScrobble(manga.id, chapter) }
+			}
 		}
 	}
 
@@ -85,6 +95,10 @@ class HistoryRepository(
 		return db.historyDao.find(manga.id)?.toMangaHistory()
 	}
 
+	suspend fun getProgress(mangaId: Long): Float {
+		return db.historyDao.findProgress(mangaId) ?: PROGRESS_NONE
+	}
+
 	suspend fun clear() {
 		db.historyDao.clear()
 	}

app/src/main/java/org/koitharu/kotatsu/history/ui/HistoryListViewModel.kt

@@ -2,8 +2,6 @@ package org.koitharu.kotatsu.history.ui
 
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.viewModelScope
-import java.util.*
-import java.util.concurrent.TimeUnit
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.combine
@@ -19,6 +17,7 @@ import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import org.koitharu.kotatsu.core.ui.DateTimeAgo
 import org.koitharu.kotatsu.history.domain.HistoryRepository
 import org.koitharu.kotatsu.history.domain.MangaWithHistory
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
 import org.koitharu.kotatsu.list.ui.MangaListViewModel
 import org.koitharu.kotatsu.list.ui.model.*
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
@@ -26,6 +25,8 @@ import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
 import org.koitharu.kotatsu.utils.ext.daysDiff
 import org.koitharu.kotatsu.utils.ext.onFirst
+import java.util.*
+import java.util.concurrent.TimeUnit
 
 class HistoryListViewModel(
 	private val repository: HistoryRepository,
@@ -37,7 +38,7 @@ class HistoryListViewModel(
 	val isGroupingEnabled = MutableLiveData<Boolean>()
 	val onItemsRemoved = SingleLiveEvent<ReversibleHandle>()
 
-	private val historyGrouping = settings.observeAsFlow(AppSettings.KEY_HISTORY_GROUPING) { historyGrouping }
+	private val historyGrouping = settings.observeAsFlow(AppSettings.KEY_HISTORY_GROUPING) { isHistoryGroupingEnabled }
 		.onEach { isGroupingEnabled.postValue(it) }
 
 	override val content = combine(
@@ -48,7 +49,7 @@ class HistoryListViewModel(
 		when {
 			list.isEmpty() -> listOf(
 				EmptyState(
-					icon = R.drawable.ic_history,
+					icon = R.drawable.ic_empty_history,
 					textPrimary = R.string.text_history_holder_primary,
 					textSecondary = R.string.text_history_holder_secondary,
 					actionStringRes = 0,
@@ -89,7 +90,7 @@ class HistoryListViewModel(
 	}
 
 	fun setGrouping(isGroupingEnabled: Boolean) {
-		settings.historyGrouping = isGroupingEnabled
+		settings.isHistoryGroupingEnabled = isGroupingEnabled
 	}
 
 	private suspend fun mapList(
@@ -98,6 +99,7 @@ class HistoryListViewModel(
 		mode: ListMode
 	): List<ListModel> {
 		val result = ArrayList<ListModel>(if (grouped) (list.size * 1.4).toInt() else list.size + 1)
+		val showPercent = settings.isReadingIndicatorsEnabled
 		var prevDate: DateTimeAgo? = null
 		if (!grouped) {
 			result += ListHeader(null, R.string.history, null)
@@ -111,10 +113,11 @@ class HistoryListViewModel(
 				prevDate = date
 			}
 			val counter = trackingRepository.getNewChaptersCount(manga.id)
+			val percent = if (showPercent) history.percent else PROGRESS_NONE
 			result += when (mode) {
-				ListMode.LIST -> manga.toListModel(counter)
+				ListMode.LIST -> manga.toListModel(counter, percent)
-				ListMode.DETAILED_LIST -> manga.toListDetailedModel(counter)
+				ListMode.DETAILED_LIST -> manga.toListDetailedModel(counter, percent)
-				ListMode.GRID -> manga.toGridModel(counter)
+				ListMode.GRID -> manga.toGridModel(counter, percent)
 			}
 		}
 		return result

app/src/main/java/org/koitharu/kotatsu/history/ui/util/ReadingProgressDrawable.kt

@@ -0,0 +1,151 @@
+package org.koitharu.kotatsu.history.ui.util
+
+import android.content.Context
+import android.graphics.*
+import android.graphics.drawable.Drawable
+import androidx.annotation.StyleRes
+import androidx.appcompat.content.res.AppCompatResources
+import androidx.core.graphics.ColorUtils
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
+import kotlin.math.roundToInt
+
+class ReadingProgressDrawable(
+	context: Context,
+	@StyleRes styleResId: Int,
+) : Drawable() {
+
+	private val paint = Paint(Paint.ANTI_ALIAS_FLAG)
+	private val checkDrawable = AppCompatResources.getDrawable(context, R.drawable.ic_check)
+	private val lineColor: Int
+	private val outlineColor: Int
+	private val backgroundColor: Int
+	private val textColor: Int
+	private val textPattern = context.getString(R.string.percent_string_pattern)
+	private val textBounds = Rect()
+	private val tempRect = Rect()
+	private val hasBackground: Boolean
+	private val hasOutline: Boolean
+	private val hasText: Boolean
+	private val desiredHeight: Int
+	private val desiredWidth: Int
+	private val autoFitTextSize: Boolean
+
+	var progress: Float = PROGRESS_NONE
+		set(value) {
+			field = value
+			text = textPattern.format((value * 100f).toInt().toString())
+			paint.getTextBounds(text, 0, text.length, textBounds)
+			invalidateSelf()
+		}
+	private var text = ""
+
+	init {
+		val ta = context.obtainStyledAttributes(styleResId, R.styleable.ProgressDrawable)
+		desiredHeight = ta.getDimensionPixelSize(R.styleable.ProgressDrawable_android_height, -1)
+		desiredWidth = ta.getDimensionPixelSize(R.styleable.ProgressDrawable_android_width, -1)
+		autoFitTextSize = ta.getBoolean(R.styleable.ProgressDrawable_autoFitTextSize, false)
+		lineColor = ta.getColor(R.styleable.ProgressDrawable_android_strokeColor, Color.BLACK)
+		outlineColor = ta.getColor(R.styleable.ProgressDrawable_outlineColor, Color.TRANSPARENT)
+		backgroundColor = ColorUtils.setAlphaComponent(
+			ta.getColor(R.styleable.ProgressDrawable_android_fillColor, Color.TRANSPARENT),
+			(255 * ta.getFloat(R.styleable.ProgressDrawable_android_fillAlpha, 0f)).toInt(),
+		)
+		textColor = ta.getColor(R.styleable.ProgressDrawable_android_textColor, lineColor)
+		paint.strokeCap = Paint.Cap.ROUND
+		paint.textAlign = Paint.Align.CENTER
+		paint.textSize = ta.getDimension(R.styleable.ProgressDrawable_android_textSize, paint.textSize)
+		paint.strokeWidth = ta.getDimension(R.styleable.ProgressDrawable_strokeWidth, 1f)
+		ta.recycle()
+		hasBackground = Color.alpha(backgroundColor) != 0
+		hasOutline = Color.alpha(outlineColor) != 0
+		hasText = Color.alpha(textColor) != 0 && paint.textSize > 0
+		checkDrawable?.setTint(textColor)
+	}
+
+	override fun onBoundsChange(bounds: Rect) {
+		super.onBoundsChange(bounds)
+		if (autoFitTextSize) {
+			val innerWidth = bounds.width() - (paint.strokeWidth * 2f)
+			paint.textSize = getTextSizeForWidth(innerWidth, "100%")
+			paint.getTextBounds(text, 0, text.length, textBounds)
+			invalidateSelf()
+		}
+	}
+
+	override fun draw(canvas: Canvas) {
+		if (progress < 0f) {
+			return
+		}
+		val cx = bounds.exactCenterX()
+		val cy = bounds.exactCenterY()
+		val radius = minOf(bounds.width(), bounds.height()) / 2f
+		if (hasBackground) {
+			paint.style = Paint.Style.FILL
+			paint.color = backgroundColor
+			canvas.drawCircle(cx, cy, radius, paint)
+		}
+		val innerRadius = radius - paint.strokeWidth / 2f
+		paint.style = Paint.Style.STROKE
+		if (hasOutline) {
+			paint.color = outlineColor
+			canvas.drawCircle(cx, cy, innerRadius, paint)
+		}
+		paint.color = lineColor
+		canvas.drawArc(
+			cx - innerRadius,
+			cy - innerRadius,
+			cx + innerRadius,
+			cy + innerRadius,
+			-90f,
+			360f * progress,
+			false,
+			paint,
+		)
+		if (hasText) {
+			if (checkDrawable != null && progress >= 1f - Math.ulp(progress)) {
+				tempRect.set(bounds)
+				tempRect *= 0.6
+				checkDrawable.bounds = tempRect
+				checkDrawable.draw(canvas)
+			} else {
+				paint.style = Paint.Style.FILL
+				paint.color = textColor
+				val ty = bounds.height() / 2f + textBounds.height() / 2f - textBounds.bottom
+				canvas.drawText(text, cx, ty, paint)
+			}
+		}
+	}
+
+	override fun setAlpha(alpha: Int) {
+		paint.alpha = alpha
+	}
+
+	override fun setColorFilter(colorFilter: ColorFilter?) {
+		paint.colorFilter = colorFilter
+	}
+
+	@Suppress("DeprecatedCallableAddReplaceWith")
+	@Deprecated("Deprecated in Java")
+	override fun getOpacity() = PixelFormat.TRANSLUCENT
+
+	override fun getIntrinsicHeight() = desiredHeight
+
+	override fun getIntrinsicWidth() = desiredWidth
+
+	private fun getTextSizeForWidth(width: Float, text: String): Float {
+		val testTextSize = 48f
+		paint.textSize = testTextSize
+		paint.getTextBounds(text, 0, text.length, tempRect)
+		return testTextSize * width / tempRect.width()
+	}
+
+	private operator fun Rect.timesAssign(factor: Double) {
+		val newWidth = (width() * factor).roundToInt()
+		val newHeight = (height() * factor).roundToInt()
+		inset(
+			(width() - newWidth) / 2,
+			(height() - newHeight) / 2,
+		)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/history/ui/util/ReadingProgressView.kt

@@ -0,0 +1,114 @@
+package org.koitharu.kotatsu.history.ui.util
+
+import android.animation.Animator
+import android.animation.ValueAnimator
+import android.content.Context
+import android.graphics.Outline
+import android.util.AttributeSet
+import android.view.View
+import android.view.ViewOutlineProvider
+import android.view.animation.AccelerateDecelerateInterpolator
+import androidx.annotation.AttrRes
+import androidx.annotation.StyleRes
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
+
+class ReadingProgressView @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+	@AttrRes defStyleAttr: Int = 0,
+) : View(context, attrs, defStyleAttr), ValueAnimator.AnimatorUpdateListener, Animator.AnimatorListener {
+
+	private var percentAnimator: ValueAnimator? = null
+	private val animationDuration = context.resources.getInteger(android.R.integer.config_shortAnimTime).toLong()
+
+	@StyleRes
+	private val drawableStyle: Int
+
+	var percent: Float
+		get() = peekProgressDrawable()?.progress ?: PROGRESS_NONE
+		set(value) {
+			cancelAnimation()
+			getProgressDrawable().progress = value
+		}
+
+	init {
+		val ta = context.obtainStyledAttributes(attrs, R.styleable.ReadingProgressView, defStyleAttr, 0)
+		drawableStyle = ta.getResourceId(R.styleable.ReadingProgressView_progressStyle, R.style.ProgressDrawable)
+		ta.recycle()
+		outlineProvider = OutlineProvider()
+		if (isInEditMode) {
+			percent = 0.27f
+		}
+	}
+
+	override fun onDetachedFromWindow() {
+		super.onDetachedFromWindow()
+		percentAnimator?.run {
+			if (isRunning) end()
+		}
+		percentAnimator = null
+	}
+
+	override fun onAnimationUpdate(animation: ValueAnimator) {
+		val p = animation.animatedValue as Float
+		getProgressDrawable().progress = p
+	}
+
+	override fun onAnimationStart(animation: Animator?) = Unit
+
+	override fun onAnimationEnd(animation: Animator?) {
+		if (percentAnimator === animation) {
+			percentAnimator = null
+		}
+	}
+
+	override fun onAnimationCancel(animation: Animator?) = Unit
+
+	override fun onAnimationRepeat(animation: Animator?) = Unit
+
+	fun setPercent(value: Float, animate: Boolean) {
+		val currentDrawable = peekProgressDrawable()
+		if (!animate || currentDrawable == null || value == PROGRESS_NONE) {
+			percent = value
+			return
+		}
+		percentAnimator?.cancel()
+		percentAnimator = ValueAnimator.ofFloat(
+			currentDrawable.progress.coerceAtLeast(0f),
+			value
+		).apply {
+			duration = animationDuration
+			interpolator = AccelerateDecelerateInterpolator()
+			addUpdateListener(this@ReadingProgressView)
+			addListener(this@ReadingProgressView)
+			start()
+		}
+	}
+
+	private fun cancelAnimation() {
+		percentAnimator?.cancel()
+		percentAnimator = null
+	}
+
+	private fun peekProgressDrawable(): ReadingProgressDrawable? {
+		return background as? ReadingProgressDrawable
+	}
+
+	private fun getProgressDrawable(): ReadingProgressDrawable {
+		var d = peekProgressDrawable()
+		if (d != null) {
+			return d
+		}
+		d = ReadingProgressDrawable(context, drawableStyle)
+		background = d
+		return d
+	}
+
+	private class OutlineProvider : ViewOutlineProvider() {
+
+		override fun getOutline(view: View, outline: Outline) {
+			outline.setOval(0, 0, view.width, view.height)
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/list/domain/ListExtraProvider.kt

@@ -1,6 +1,8 @@
 package org.koitharu.kotatsu.list.domain
 
-fun interface CountersProvider {
+interface ListExtraProvider {
 
 	suspend fun getCounter(mangaId: Long): Int
+
+	suspend fun getProgress(mangaId: Long): Float
 }

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

@@ -3,7 +3,6 @@ package org.koitharu.kotatsu.list.ui
 import android.os.Bundle
 import android.view.*
 import androidx.annotation.CallSuper
-import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.collection.ArraySet
 import androidx.core.graphics.Insets
@@ -18,6 +17,7 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseFragment
 import org.koitharu.kotatsu.base.ui.list.FitHeightGridLayoutManager
 import org.koitharu.kotatsu.base.ui.list.FitHeightLinearLayoutManager
+import org.koitharu.kotatsu.base.ui.list.ListSelectionController
 import org.koitharu.kotatsu.base.ui.list.PaginationScrollListener
 import org.koitharu.kotatsu.base.ui.list.decor.SpacingItemDecoration
 import org.koitharu.kotatsu.base.ui.list.decor.TypedSpacingItemDecoration
@@ -46,12 +46,11 @@ abstract class MangaListFragment :
 	PaginationScrollListener.Callback,
 	MangaListListener,
 	SwipeRefreshLayout.OnRefreshListener,
-	ActionMode.Callback {
+	ListSelectionController.Callback {
 
 	private var listAdapter: MangaListAdapter? = null
 	private var paginationListener: PaginationScrollListener? = null
-	private var selectionDecoration: MangaSelectionDecoration? = null
+	private var selectionController: ListSelectionController? = null
-	private var actionMode: ActionMode? = null
 	private val spanResolver = MangaListSpanResolver()
 	private val spanSizeLookup = SpanSizeLookup()
 	private val listCommitCallback = Runnable {
@@ -62,7 +61,7 @@ abstract class MangaListFragment :
 	protected abstract val viewModel: MangaListViewModel
 
 	protected val selectedItemsIds: Set<Long>
-		get() = selectionDecoration?.checkedItemsIds?.toSet().orEmpty()
+		get() = selectionController?.snapshot().orEmpty()
 
 	protected val selectedItems: Set<Manga>
 		get() = collectSelectedItems()
@@ -79,12 +78,17 @@ abstract class MangaListFragment :
 			lifecycleOwner = viewLifecycleOwner,
 			listener = this,
 		)
-		selectionDecoration = MangaSelectionDecoration(view.context)
+		selectionController = ListSelectionController(
+			activity = requireActivity(),
+			decoration = MangaSelectionDecoration(view.context),
+			registryOwner = this,
+			callback = this,
+		)
 		paginationListener = PaginationScrollListener(4, this)
 		with(binding.recyclerView) {
 			setHasFixedSize(true)
 			adapter = listAdapter
-			addItemDecoration(selectionDecoration!!)
+			checkNotNull(selectionController).attachToRecyclerView(binding.recyclerView)
 			addOnScrollListener(paginationListener!!)
 		}
 		with(binding.swipeRefreshLayout) {
@@ -105,34 +109,19 @@ abstract class MangaListFragment :
 	override fun onDestroyView() {
 		listAdapter = null
 		paginationListener = null
-		selectionDecoration = null
+		selectionController = null
 		spanSizeLookup.invalidateCache()
 		super.onDestroyView()
 	}
 
 	override fun onItemClick(item: Manga, view: View) {
-		if (selectionDecoration?.checkedItemsCount != 0) {
+		if (selectionController?.onItemClick(item.id) != true) {
-			selectionDecoration?.toggleItemChecked(item.id)
-			if (selectionDecoration?.checkedItemsCount == 0) {
-				actionMode?.finish()
-			} else {
-				actionMode?.invalidate()
-				binding.recyclerView.invalidateItemDecorations()
-			}
-			return
-		}
 			startActivity(DetailsActivity.newIntent(context ?: return, item))
 		}
+	}
 
 	override fun onItemLongClick(item: Manga, view: View): Boolean {
-		if (actionMode == null) {
+		return selectionController?.onItemLongClick(item.id) ?: false
-			actionMode = (activity as? AppCompatActivity)?.startSupportActionMode(this)
-		}
-		return actionMode?.also {
-			selectionDecoration?.setItemIsChecked(item.id, true)
-			binding.recyclerView.invalidateItemDecorations()
-			it.invalidate()
-		} != null
 	}
 
 	@CallSuper
@@ -249,7 +238,7 @@ abstract class MangaListFragment :
 					addOnLayoutChangeListener(spanResolver)
 				}
 			}
-			selectionDecoration?.let { addItemDecoration(it) }
+			selectionController?.attachToRecyclerView(binding.recyclerView)
 		}
 	}
 
@@ -259,7 +248,7 @@ abstract class MangaListFragment :
 
 	@CallSuper
 	override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
-		mode.title = selectionDecoration?.checkedItemsCount?.toString()
+		mode.title = selectionController?.count?.toString()
 		return true
 	}
 
@@ -269,9 +258,7 @@ abstract class MangaListFragment :
 				val ids = listAdapter?.items?.mapNotNull {
 					(it as? MangaItemModel)?.id
 				} ?: return false
-				selectionDecoration?.checkAll(ids)
+				selectionController?.addAll(ids)
-				binding.recyclerView.invalidateItemDecorations()
-				mode.invalidate()
 				true
 			}
 			R.id.action_share -> {
@@ -293,14 +280,12 @@ abstract class MangaListFragment :
 		}
 	}
 
-	override fun onDestroyActionMode(mode: ActionMode) {
+	override fun onSelectionChanged(count: Int) {
-		selectionDecoration?.clearSelection()
 		binding.recyclerView.invalidateItemDecorations()
-		actionMode = null
 	}
 
 	private fun collectSelectedItems(): Set<Manga> {
-		val checkedIds = selectionDecoration?.checkedItemsIds ?: return emptySet()
+		val checkedIds = selectionController?.peekCheckedIds() ?: return emptySet()
 		val items = listAdapter?.items ?: return emptySet()
 		val result = ArraySet<Manga>(checkedIds.size)
 		for (item in items) {

app/src/main/java/org/koitharu/kotatsu/list/ui/MangaSelectionDecoration.kt

@@ -18,17 +18,17 @@ import org.koitharu.kotatsu.utils.ext.getItem
 import org.koitharu.kotatsu.utils.ext.getThemeColor
 import com.google.android.material.R as materialR
 
-class MangaSelectionDecoration(context: Context) : AbstractSelectionItemDecoration() {
+open class MangaSelectionDecoration(context: Context) : AbstractSelectionItemDecoration() {
 
-	private val paint = Paint(Paint.ANTI_ALIAS_FLAG)
+	protected val paint = Paint(Paint.ANTI_ALIAS_FLAG)
-	private val checkIcon = ContextCompat.getDrawable(context, materialR.drawable.ic_mtrl_checked_circle)
+	protected val checkIcon = ContextCompat.getDrawable(context, materialR.drawable.ic_mtrl_checked_circle)
-	private val iconOffset = context.resources.getDimensionPixelOffset(R.dimen.grid_spacing_outer)
+	protected val iconOffset = context.resources.getDimensionPixelOffset(R.dimen.grid_spacing_outer)
-	private val strokeColor = context.getThemeColor(materialR.attr.colorPrimary, Color.RED)
+	protected val strokeColor = context.getThemeColor(materialR.attr.colorPrimary, Color.RED)
-	private val fillColor = ColorUtils.setAlphaComponent(
+	protected val fillColor = ColorUtils.setAlphaComponent(
 		ColorUtils.blendARGB(strokeColor, context.getThemeColor(materialR.attr.colorSurface), 0.8f),
 		0x74
 	)
-	private val defaultRadius = context.resources.getDimension(R.dimen.list_selector_corner)
+	protected val defaultRadius = context.resources.getDimension(R.dimen.list_selector_corner)
 
 	init {
 		hasBackground = false

app/src/main/java/org/koitharu/kotatsu/list/ui/adapter/MangaGridItemAD.kt

@@ -11,6 +11,7 @@ import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.databinding.ItemMangaGridBinding
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.list.ui.model.MangaGridModel
 import org.koitharu.kotatsu.parsers.model.Manga
@@ -43,8 +44,9 @@ fun mangaGridItemAD(
 		}
 	}
 
-	bind {
+	bind { payloads ->
 		binding.textViewTitle.text = item.title
+		binding.progressView.setPercent(item.progress, MangaListAdapter.PAYLOAD_PROGRESS in payloads)
 		imageRequest?.dispose()
 		imageRequest = binding.imageViewCover.newImageRequest(item.coverUrl)
 			.referer(item.manga.publicUrl)
@@ -60,6 +62,7 @@ fun mangaGridItemAD(
 
 	onViewRecycled {
 		itemView.clearBadge(badge)
+		binding.progressView.percent = PROGRESS_NONE
 		badge = null
 		imageRequest?.dispose()
 		imageRequest = null

app/src/main/java/org/koitharu/kotatsu/list/ui/adapter/MangaListAdapter.kt

@@ -54,9 +54,14 @@ class MangaListAdapter(
 
 		override fun getChangePayload(oldItem: ListModel, newItem: ListModel): Any? {
 			return when (newItem) {
-				is MangaListModel,
+				is MangaItemModel -> {
-				is MangaGridModel,
+					oldItem as MangaItemModel
-				is MangaListDetailedModel,
+					if (oldItem.progress != newItem.progress) {
+						PAYLOAD_PROGRESS
+					} else {
+						Unit
+					}
+				}
 				is CurrentFilterModel -> Unit
 				else -> super.getChangePayload(oldItem, newItem)
 			}
@@ -77,5 +82,7 @@ class MangaListAdapter(
 		const val ITEM_TYPE_HEADER = 9
 		const val ITEM_TYPE_FILTER = 10
 		const val ITEM_TYPE_HEADER_FILTER = 11
+
+		val PAYLOAD_PROGRESS = Any()
 	}
 }

app/src/main/java/org/koitharu/kotatsu/list/ui/adapter/MangaListDetailedItemAD.kt

@@ -10,6 +10,7 @@ import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.databinding.ItemMangaListDetailsBinding
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.list.ui.model.MangaListDetailedModel
 import org.koitharu.kotatsu.parsers.model.Manga
@@ -36,10 +37,11 @@ fun mangaListDetailedItemAD(
 		clickListener.onItemLongClick(item.manga, it)
 	}
 
-	bind {
+	bind { payloads ->
 		imageRequest?.dispose()
 		binding.textViewTitle.text = item.title
 		binding.textViewSubtitle.textAndVisible = item.subtitle
+		binding.progressView.setPercent(item.progress, MangaListAdapter.PAYLOAD_PROGRESS in payloads)
 		imageRequest = binding.imageViewCover.newImageRequest(item.coverUrl)
 			.referer(item.manga.publicUrl)
 			.placeholder(R.drawable.ic_placeholder)
@@ -56,6 +58,7 @@ fun mangaListDetailedItemAD(
 
 	onViewRecycled {
 		itemView.clearBadge(badge)
+		binding.progressView.percent = PROGRESS_NONE
 		badge = null
 		imageRequest?.dispose()
 		imageRequest = null

app/src/main/java/org/koitharu/kotatsu/list/ui/model/ListModelConversionExt.kt

@@ -4,21 +4,23 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.prefs.ListMode
-import org.koitharu.kotatsu.list.domain.CountersProvider
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
+import org.koitharu.kotatsu.list.domain.ListExtraProvider
 import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.utils.ext.ifZero
 
-fun Manga.toListModel(counter: Int) = MangaListModel(
+fun Manga.toListModel(counter: Int, progress: Float) = MangaListModel(
 	id = id,
 	title = title,
 	subtitle = tags.joinToString(", ") { it.title },
 	coverUrl = coverUrl,
 	manga = this,
 	counter = counter,
+	progress = progress,
 )
 
-fun Manga.toListDetailedModel(counter: Int) = MangaListDetailedModel(
+fun Manga.toListDetailedModel(counter: Int, progress: Float) = MangaListDetailedModel(
 	id = id,
 	title = title,
 	subtitle = altTitle,
@@ -27,50 +29,48 @@ fun Manga.toListDetailedModel(counter: Int) = MangaListDetailedModel(
 	coverUrl = coverUrl,
 	manga = this,
 	counter = counter,
+	progress = progress,
 )
 
-fun Manga.toGridModel(counter: Int) = MangaGridModel(
+fun Manga.toGridModel(counter: Int, progress: Float) = MangaGridModel(
 	id = id,
 	title = title,
 	coverUrl = coverUrl,
 	manga = this,
 	counter = counter,
+	progress = progress,
 )
 
 suspend fun List<Manga>.toUi(
 	mode: ListMode,
-	countersProvider: CountersProvider,
+	extraProvider: ListExtraProvider,
 ): List<MangaItemModel> = when (mode) {
-	ListMode.LIST -> map { it.toListModel(countersProvider.getCounter(it.id)) }
+	ListMode.LIST -> map {
-	ListMode.DETAILED_LIST -> map { it.toListDetailedModel(countersProvider.getCounter(it.id)) }
+		it.toListModel(extraProvider.getCounter(it.id), extraProvider.getProgress(it.id))
-	ListMode.GRID -> map { it.toGridModel(countersProvider.getCounter(it.id)) }
+	}
-}
+	ListMode.DETAILED_LIST -> map {
-
+		it.toListDetailedModel(extraProvider.getCounter(it.id), extraProvider.getProgress(it.id))
-suspend fun <C : MutableCollection<ListModel>> List<Manga>.toUi(
+	}
-	destination: C,
+	ListMode.GRID -> map {
-	mode: ListMode,
+		it.toGridModel(extraProvider.getCounter(it.id), extraProvider.getProgress(it.id))
-	countersProvider: CountersProvider,
+	}
-): C = when (mode) {
-	ListMode.LIST -> mapTo(destination) { it.toListModel(countersProvider.getCounter(it.id)) }
-	ListMode.DETAILED_LIST -> mapTo(destination) { it.toListDetailedModel(countersProvider.getCounter(it.id)) }
-	ListMode.GRID -> mapTo(destination) { it.toGridModel(countersProvider.getCounter(it.id)) }
 }
 
 fun List<Manga>.toUi(
 	mode: ListMode,
 ): List<MangaItemModel> = when (mode) {
-	ListMode.LIST -> map { it.toListModel(0) }
+	ListMode.LIST -> map { it.toListModel(0, PROGRESS_NONE) }
-	ListMode.DETAILED_LIST -> map { it.toListDetailedModel(0) }
+	ListMode.DETAILED_LIST -> map { it.toListDetailedModel(0, PROGRESS_NONE) }
-	ListMode.GRID -> map { it.toGridModel(0) }
+	ListMode.GRID -> map { it.toGridModel(0, PROGRESS_NONE) }
 }
 
 fun <C : MutableCollection<ListModel>> List<Manga>.toUi(
 	destination: C,
 	mode: ListMode,
 ): C = when (mode) {
-	ListMode.LIST -> mapTo(destination) { it.toListModel(0) }
+	ListMode.LIST -> mapTo(destination) { it.toListModel(0, PROGRESS_NONE) }
-	ListMode.DETAILED_LIST -> mapTo(destination) { it.toListDetailedModel(0) }
+	ListMode.DETAILED_LIST -> mapTo(destination) { it.toListDetailedModel(0, PROGRESS_NONE) }
-	ListMode.GRID -> mapTo(destination) { it.toGridModel(0) }
+	ListMode.GRID -> mapTo(destination) { it.toGridModel(0, PROGRESS_NONE) }
 }
 
 fun Throwable.toErrorState(canRetry: Boolean = true) = ErrorState(

app/src/main/java/org/koitharu/kotatsu/list/ui/model/MangaGridModel.kt

@@ -4,8 +4,9 @@ import org.koitharu.kotatsu.parsers.model.Manga
 
 data class MangaGridModel(
 	override val id: Long,
-	val title: String,
+	override val title: String,
-	val coverUrl: String,
+	override val coverUrl: String,
 	override val manga: Manga,
-	val counter: Int,
+	override val counter: Int,
+	override val progress: Float,
 ) : MangaItemModel

app/src/main/java/org/koitharu/kotatsu/list/ui/model/MangaItemModel.kt

@@ -6,4 +6,8 @@ sealed interface MangaItemModel : ListModel {
 
 	val id: Long
 	val manga: Manga
+	val title: String
+	val coverUrl: String
+	val counter: Int
+	val progress: Float
 }

app/src/main/java/org/koitharu/kotatsu/list/ui/model/MangaListDetailedModel.kt

@@ -4,11 +4,12 @@ import org.koitharu.kotatsu.parsers.model.Manga
 
 data class MangaListDetailedModel(
 	override val id: Long,
-	val title: String,
+	override val title: String,
 	val subtitle: String?,
 	val tags: String,
-	val coverUrl: String,
+	override val coverUrl: String,
 	val rating: String?,
 	override val manga: Manga,
-	val counter: Int,
+	override val counter: Int,
+	override val progress: Float,
 ) : MangaItemModel

app/src/main/java/org/koitharu/kotatsu/list/ui/model/MangaListModel.kt

@@ -4,9 +4,10 @@ import org.koitharu.kotatsu.parsers.model.Manga
 
 data class MangaListModel(
 	override val id: Long,
-	val title: String,
+	override val title: String,
 	val subtitle: String,
-	val coverUrl: String,
+	override val coverUrl: String,
 	override val manga: Manga,
-	val counter: Int,
+	override val counter: Int,
+	override val progress: Float,
 ) : MangaItemModel

app/src/main/java/org/koitharu/kotatsu/local/data/PagesCache.kt

@@ -13,9 +13,9 @@ import java.io.InputStream
 class PagesCache(context: Context) {
 
 	private val cacheDir = context.externalCacheDir ?: context.cacheDir
-	private val lruCache = DiskLruCache.create(
+	private val lruCache = createDiskLruCacheSafe(
-		cacheDir.subdir(CacheDir.PAGES.dir),
+		dir = cacheDir.subdir(CacheDir.PAGES.dir),
-		FileSize.MEGABYTES.convert(200, FileSize.BYTES),
+		size = FileSize.MEGABYTES.convert(200, FileSize.BYTES),
 	)
 
 	operator fun get(url: String): File? {
@@ -61,3 +61,13 @@ class PagesCache(context: Context) {
 		}
 	}
 }
+
+private fun createDiskLruCacheSafe(dir: File, size: Long): DiskLruCache {
+	return try {
+		DiskLruCache.create(dir, size)
+	} catch (e: Exception) {
+		dir.deleteRecursively()
+		dir.mkdir()
+		DiskLruCache.create(dir, size)
+	}
+}

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

@@ -49,7 +49,7 @@ class LocalListViewModel(
 			list == null -> listOf(LoadingState)
 			list.isEmpty() -> listOf(
 				EmptyState(
-					icon = R.drawable.ic_storage,
+					icon = R.drawable.ic_empty_local,
 					textPrimary = R.string.text_local_holder_primary,
 					textSecondary = R.string.text_local_holder_secondary,
 					actionStringRes = R.string._import,

app/src/main/java/org/koitharu/kotatsu/main/ui/MainActivity.kt

@@ -145,8 +145,15 @@ class MainActivity :
 
 	override fun onRestoreInstanceState(savedInstanceState: Bundle) {
 		super.onRestoreInstanceState(savedInstanceState)
-		drawerToggle?.isDrawerIndicatorEnabled =
+		val isSearchOpened = isSearchOpened()
-			drawer?.getDrawerLockMode(GravityCompat.START) == DrawerLayout.LOCK_MODE_UNLOCKED
+		adjustDrawerLock(isSearchOpened)
+		if (isSearchOpened) {
+			binding.toolbarCard.updateLayoutParams<AppBarLayout.LayoutParams> {
+				scrollFlags = SCROLL_FLAG_NO_SCROLL
+			}
+			binding.appbar.setBackgroundColor(getThemeColor(materialR.attr.colorSurfaceVariant))
+			binding.appbar.updatePadding(left = 0, right = 0)
+		}
 	}
 
 	override fun onPostCreate(savedInstanceState: Bundle?) {
@@ -396,29 +403,31 @@ class MainActivity :
 
 	private fun onSearchOpened() {
 		TransitionManager.beginDelayedTransition(binding.appbar)
-		drawerToggle?.isDrawerIndicatorEnabled = false
 		binding.toolbarCard.updateLayoutParams<AppBarLayout.LayoutParams> {
 			scrollFlags = SCROLL_FLAG_NO_SCROLL
 		}
 		binding.appbar.setBackgroundColor(getThemeColor(materialR.attr.colorSurfaceVariant))
 		binding.appbar.updatePadding(left = 0, right = 0)
-		adjustDrawerLock()
+		adjustDrawerLock(isSearchOpened = true)
 		adjustFabVisibility(isSearchOpened = true)
 	}
 
 	private fun onSearchClosed() {
 		TransitionManager.beginDelayedTransition(binding.appbar)
-		drawerToggle?.isDrawerIndicatorEnabled = true
 		binding.toolbarCard.updateLayoutParams<AppBarLayout.LayoutParams> {
 			scrollFlags = SCROLL_FLAG_SCROLL or SCROLL_FLAG_ENTER_ALWAYS
 		}
 		binding.appbar.background = null
 		val padding = resources.getDimensionPixelOffset(R.dimen.margin_normal)
 		binding.appbar.updatePadding(left = padding, right = padding)
-		adjustDrawerLock()
+		adjustDrawerLock(isSearchOpened = false)
 		adjustFabVisibility(isSearchOpened = false)
 	}
 
+	private fun isSearchOpened(): Boolean {
+		return supportFragmentManager.findFragmentByTag(TAG_SEARCH)?.isVisible == true
+	}
+
 	private fun onFirstStart() {
 		lifecycleScope.launchWhenResumed {
 			val isUpdateSupported = withContext(Dispatchers.Default) {
@@ -440,7 +449,7 @@ class MainActivity :
 	private fun adjustFabVisibility(
 		isResumeEnabled: Boolean = viewModel.isResumeEnabled.value == true,
 		topFragment: Fragment? = supportFragmentManager.findFragmentByTag(TAG_PRIMARY),
-		isSearchOpened: Boolean = supportFragmentManager.findFragmentByTag(TAG_SEARCH)?.isVisible == true,
+		isSearchOpened: Boolean = isSearchOpened(),
 	) {
 		val fab = binding.fab
 		if (isResumeEnabled && !isSearchOpened && topFragment is HistoryListFragment) {
@@ -454,12 +463,15 @@ class MainActivity :
 		}
 	}
 
-	private fun adjustDrawerLock() {
+	private fun adjustDrawerLock(
+		isSearchOpened: Boolean = isSearchOpened(),
+	) {
 		val drawer = drawer ?: return
-		val isLocked = actionModeDelegate.isActionModeStarted || (drawerToggle?.isDrawerIndicatorEnabled == false)
+		val isLocked = actionModeDelegate.isActionModeStarted || isSearchOpened
 		drawer.setDrawerLockMode(
 			if (isLocked) DrawerLayout.LOCK_MODE_LOCKED_CLOSED else DrawerLayout.LOCK_MODE_UNLOCKED
 		)
+		drawerToggle?.isDrawerIndicatorEnabled = !isLocked
 	}
 
 	private inner class VoiceInputCallback : ActivityResultCallback<String?> {

app/src/main/java/org/koitharu/kotatsu/reader/ui/ReaderActivity.kt

@@ -46,10 +46,7 @@ import org.koitharu.kotatsu.settings.SettingsActivity
 import org.koitharu.kotatsu.utils.GridTouchHelper
 import org.koitharu.kotatsu.utils.ScreenOrientationHelper
 import org.koitharu.kotatsu.utils.ShareHelper
-import org.koitharu.kotatsu.utils.ext.getDisplayMessage
+import org.koitharu.kotatsu.utils.ext.*
-import org.koitharu.kotatsu.utils.ext.hasGlobalPoint
-import org.koitharu.kotatsu.utils.ext.observeWithPrevious
-import org.koitharu.kotatsu.utils.ext.postDelayed
 import java.util.concurrent.TimeUnit
 
 class ReaderActivity :
@@ -214,6 +211,8 @@ class ReaderActivity :
 		val resolveTextId = ExceptionResolver.getResolveStringId(e)
 		if (resolveTextId != 0) {
 			dialog.setPositiveButton(resolveTextId, listener)
+		} else {
+			dialog.setPositiveButton(R.string.report, listener)
 		}
 		dialog.show()
 	}
@@ -368,7 +367,11 @@ class ReaderActivity :
 		override fun onClick(dialog: DialogInterface?, which: Int) {
 			if (which == DialogInterface.BUTTON_POSITIVE) {
 				dialog?.dismiss()
+				if (ExceptionResolver.canResolve(exception)) {
 					tryResolve(exception)
+				} else {
+					exception.report("ReaderActivity::onError")
+				}
 			} else {
 				onCancel(dialog)
 			}

app/src/main/java/org/koitharu/kotatsu/reader/ui/ReaderViewModel.kt

@@ -6,9 +6,9 @@ import androidx.activity.result.ActivityResultLauncher
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.viewModelScope
-import java.util.*
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.*
+import org.acra.ACRA
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.domain.MangaDataRepository
 import org.koitharu.kotatsu.base.domain.MangaIntent
@@ -21,6 +21,7 @@ import org.koitharu.kotatsu.core.os.ShortcutsRepository
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.*
 import org.koitharu.kotatsu.history.domain.HistoryRepository
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaPage
@@ -32,6 +33,8 @@ import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 import org.koitharu.kotatsu.utils.ext.processLifecycleScope
+import org.koitharu.kotatsu.utils.ext.setCurrentManga
+import java.util.*
 
 private const val BOUNDS_PAGE_OFFSET = 2
 private const val PAGES_TRIM_THRESHOLD = 120
@@ -135,13 +138,16 @@ class ReaderViewModel(
 		}
 	}
 
+	// TODO check performance
 	fun saveCurrentState(state: ReaderState? = null) {
 		if (state != null) {
 			currentState.value = state
 		}
+		val readerState = state ?: currentState.value ?: return
 		historyRepository.saveStateAsync(
-			mangaData.value ?: return,
+			manga = mangaData.value ?: return,
-			state ?: currentState.value ?: return
+			state = readerState,
+			percent = computePercent(readerState.chapterId, readerState.page),
 		)
 	}
 
@@ -223,7 +229,7 @@ class ReaderViewModel(
 		if (bookmarkJob?.isActive == true) {
 			return
 		}
-		bookmarkJob = launchJob {
+		bookmarkJob = launchJob(Dispatchers.Default) {
 			loadingJob?.join()
 			val state = checkNotNull(currentState.value)
 			val page = checkNotNull(getCurrentPage()) { "Page not found" }
@@ -235,9 +241,10 @@ class ReaderViewModel(
 				scroll = state.scroll,
 				imageUrl = page.preview ?: pageLoader.getPageUrl(page),
 				createdAt = Date(),
+				percent = computePercent(state.chapterId, state.page),
 			)
 			bookmarksRepository.addBookmark(bookmark)
-			onShowToast.call(R.string.bookmark_added)
+			onShowToast.postCall(R.string.bookmark_added)
 		}
 	}
 
@@ -257,6 +264,7 @@ class ReaderViewModel(
 	private fun loadImpl() {
 		loadingJob = launchLoadingJob(Dispatchers.Default) {
 			var manga = dataRepository.resolveIntent(intent) ?: throw MangaNotFoundException("Cannot find manga")
+			ACRA.setCurrentManga(manga)
 			mangaData.value = manga
 			val repo = MangaRepository(manga.source)
 			manga = repo.getDetails(manga)
@@ -279,7 +287,8 @@ class ReaderViewModel(
 			val pages = loadChapter(requireNotNull(currentState.value).chapterId)
 			// save state
 			currentState.value?.let {
-				historyRepository.addOrUpdate(manga, it.chapterId, it.page, it.scroll)
+				val percent = computePercent(it.chapterId, it.page)
+				historyRepository.addOrUpdate(manga, it.chapterId, it.page, it.scroll, percent)
 				shortcutsRepository.updateShortcuts()
 			}
 
@@ -364,20 +373,35 @@ class ReaderViewModel(
 			it.printStackTraceDebug()
 		}.getOrDefault(defaultMode)
 	}
+
+	private fun computePercent(chapterId: Long, pageIndex: Int): Float {
+		val chapters = manga?.chapters ?: return PROGRESS_NONE
+		val chaptersCount = chapters.size
+		val chapterIndex = chapters.indexOfFirst { x -> x.id == chapterId }
+		val pages = content.value?.pages ?: return PROGRESS_NONE
+		val pagesCount = pages.count { x -> x.chapterId == chapterId }
+		if (chaptersCount == 0 || pagesCount == 0) {
+			return PROGRESS_NONE
+		}
+		val pagePercent = (pageIndex + 1) / pagesCount.toFloat()
+		val ppc = 1f / chaptersCount
+		return ppc * chapterIndex + ppc * pagePercent
+	}
 }
 
 /**
  * This function is not a member of the ReaderViewModel
  * because it should work independently of the ViewModel's lifecycle.
  */
-private fun HistoryRepository.saveStateAsync(manga: Manga, state: ReaderState): Job {
+private fun HistoryRepository.saveStateAsync(manga: Manga, state: ReaderState, percent: Float): Job {
 	return processLifecycleScope.launch(Dispatchers.Default) {
 		runCatching {
 			addOrUpdate(
 				manga = manga,
 				chapterId = state.chapterId,
 				page = state.page,
-				scroll = state.scroll
+				scroll = state.scroll,
+				percent = percent,
 			)
 		}.onFailure {
 			it.printStackTraceDebug()

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonLayoutManager.kt

@@ -0,0 +1,41 @@
+package org.koitharu.kotatsu.reader.ui.pager.webtoon
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import kotlin.math.sign
+
+class WebtoonLayoutManager : LinearLayoutManager {
+
+	private var scrollDirection: Int = 0
+
+	constructor(context: Context) : super(context)
+	constructor(
+		context: Context,
+		orientation: Int,
+		reverseLayout: Boolean,
+	) : super(context, orientation, reverseLayout)
+
+	constructor(
+		context: Context,
+		attrs: AttributeSet?,
+		defStyleAttr: Int,
+		defStyleRes: Int,
+	) : super(context, attrs, defStyleAttr, defStyleRes)
+
+	override fun scrollVerticallyBy(dy: Int, recycler: RecyclerView.Recycler?, state: RecyclerView.State): Int {
+		scrollDirection = dy.sign
+		return super.scrollVerticallyBy(dy, recycler, state)
+	}
+
+	override fun calculateExtraLayoutSpace(state: RecyclerView.State, extraLayoutSpace: IntArray) {
+		if (state.hasTargetScrollPosition()) {
+			super.calculateExtraLayoutSpace(state, extraLayoutSpace)
+			return
+		}
+		val pageSize = height
+		extraLayoutSpace[0] = if (scrollDirection < 0) pageSize else 0
+		extraLayoutSpace[1] = if (scrollDirection < 0) 0 else pageSize
+	}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonReaderFragment.kt

@@ -12,7 +12,6 @@ import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.reader.ui.pager.BaseReader
 import org.koitharu.kotatsu.reader.ui.pager.BaseReaderAdapter
 import org.koitharu.kotatsu.reader.ui.pager.ReaderPage
-import org.koitharu.kotatsu.utils.ext.doOnCurrentItemChanged
 import org.koitharu.kotatsu.utils.ext.findCenterViewPosition
 import org.koitharu.kotatsu.utils.ext.firstVisibleItemPosition
 import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
@@ -33,7 +32,7 @@ class WebtoonReaderFragment : BaseReader<FragmentReaderWebtoonBinding>() {
 		with(binding.recyclerView) {
 			setHasFixedSize(true)
 			adapter = webtoonAdapter
-			doOnCurrentItemChanged(::notifyPageChanged)
+			addOnPageScrollListener(PageScrollListener())
 		}
 	}
 
@@ -93,4 +92,12 @@ class WebtoonReaderFragment : BaseReader<FragmentReaderWebtoonBinding>() {
 	override fun switchPageTo(position: Int, smooth: Boolean) {
 		binding.recyclerView.firstVisibleItemPosition = position
 	}
+
+	private inner class PageScrollListener : WebtoonRecyclerView.OnPageScrollListener() {
+
+		override fun onPageChanged(recyclerView: WebtoonRecyclerView, index: Int) {
+			super.onPageChanged(recyclerView, index)
+			notifyPageChanged(index)
+		}
+	}
 }

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonRecyclerView.kt

@@ -2,25 +2,27 @@ package org.koitharu.kotatsu.reader.ui.pager.webtoon
 
 import android.content.Context
 import android.util.AttributeSet
-import androidx.core.view.ViewCompat
+import androidx.core.view.ViewCompat.TYPE_TOUCH
 import androidx.recyclerview.widget.RecyclerView
+import org.koitharu.kotatsu.utils.ext.findCenterViewPosition
+import java.util.*
 
 class WebtoonRecyclerView @JvmOverloads constructor(
 	context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
 ) : RecyclerView(context, attrs, defStyleAttr) {
 
-	override fun startNestedScroll(axes: Int) = startNestedScroll(axes, ViewCompat.TYPE_TOUCH)
+	private var onPageScrollListeners: MutableList<OnPageScrollListener>? = null
 
-	override fun startNestedScroll(axes: Int, type: Int): Boolean {
+	override fun startNestedScroll(axes: Int) = startNestedScroll(axes, TYPE_TOUCH)
-		return true
+
-	}
+	override fun startNestedScroll(axes: Int, type: Int): Boolean = true
 
 	override fun dispatchNestedPreScroll(
 		dx: Int,
 		dy: Int,
 		consumed: IntArray?,
 		offsetInWindow: IntArray?
-	) = dispatchNestedPreScroll(dx, dy, consumed, offsetInWindow, ViewCompat.TYPE_TOUCH)
+	) = dispatchNestedPreScroll(dx, dy, consumed, offsetInWindow, TYPE_TOUCH)
 
 	override fun dispatchNestedPreScroll(
 		dx: Int,
@@ -34,6 +36,7 @@ class WebtoonRecyclerView @JvmOverloads constructor(
 			consumed[0] = 0
 			consumed[1] = consumedY
 		}
+		notifyScrollChanged(dy)
 		return consumedY != 0 || dy == 0
 	}
 
@@ -75,4 +78,39 @@ class WebtoonRecyclerView @JvmOverloads constructor(
 		}
 		return 0
 	}
+
+	fun addOnPageScrollListener(listener: OnPageScrollListener) {
+		val list = onPageScrollListeners ?: LinkedList<OnPageScrollListener>().also { onPageScrollListeners = it }
+		list.add(listener)
+	}
+
+	fun removeOnPageScrollListener(listener: OnPageScrollListener) {
+		onPageScrollListeners?.remove(listener)
+	}
+
+	private fun notifyScrollChanged(dy: Int) {
+		val listeners = onPageScrollListeners
+		if (listeners.isNullOrEmpty()) {
+			return
+		}
+		val centerPosition = findCenterViewPosition()
+		listeners.forEach { it.dispatchScroll(this, dy, centerPosition) }
+	}
+
+	abstract class OnPageScrollListener {
+
+		private var lastPosition = NO_POSITION
+
+		fun dispatchScroll(recyclerView: WebtoonRecyclerView, dy: Int, centerPosition: Int) {
+			onScroll(recyclerView, dy)
+			if (centerPosition != NO_POSITION && centerPosition != lastPosition) {
+				lastPosition = centerPosition
+				onPageChanged(recyclerView, centerPosition)
+			}
+		}
+
+		open fun onScroll(recyclerView: WebtoonRecyclerView, dy: Int) = Unit
+
+		open fun onPageChanged(recyclerView: WebtoonRecyclerView, index: Int) = Unit
+	}
 }

app/src/main/java/org/koitharu/kotatsu/remotelist/ui/RemoteListViewModel.kt

@@ -151,7 +151,7 @@ class RemoteListViewModel(
 	}
 
 	private fun createEmptyState(filterState: FilterState) = EmptyState(
-		icon = R.drawable.ic_book_cross,
+		icon = R.drawable.ic_empty_search,
 		textPrimary = R.string.nothing_found,
 		textSecondary = 0,
 		actionStringRes = if (filterState.tags.isEmpty()) 0 else R.string.reset_filter,

app/src/main/java/org/koitharu/kotatsu/scrobbling/data/ScrobblingDao.kt

@@ -0,0 +1,23 @@
+package org.koitharu.kotatsu.scrobbling.data
+
+import androidx.room.*
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+abstract class ScrobblingDao {
+
+	@Query("SELECT * FROM scrobblings WHERE scrobbler = :scrobbler AND manga_id = :mangaId")
+	abstract suspend fun find(scrobbler: Int, mangaId: Long): ScrobblingEntity?
+
+	@Query("SELECT * FROM scrobblings WHERE scrobbler = :scrobbler AND manga_id = :mangaId")
+	abstract fun observe(scrobbler: Int, mangaId: Long): Flow<ScrobblingEntity?>
+
+	@Insert(onConflict = OnConflictStrategy.REPLACE)
+	abstract suspend fun insert(entity: ScrobblingEntity)
+
+	@Update
+	abstract suspend fun update(entity: ScrobblingEntity)
+
+	@Query("DELETE FROM scrobblings WHERE scrobbler = :scrobbler AND manga_id = :mangaId")
+	abstract suspend fun delete(scrobbler: Int, mangaId: Long)
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/data/ScrobblingEntity.kt

@@ -0,0 +1,35 @@
+package org.koitharu.kotatsu.scrobbling.data
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+
+@Entity(
+	tableName = "scrobblings",
+	primaryKeys = ["scrobbler", "id", "manga_id"],
+)
+class ScrobblingEntity(
+	@ColumnInfo(name = "scrobbler") val scrobbler: Int,
+	@ColumnInfo(name = "id") val id: Int,
+	@ColumnInfo(name = "manga_id") val mangaId: Long,
+	@ColumnInfo(name = "target_id") val targetId: Long,
+	@ColumnInfo(name = "status") val status: String?,
+	@ColumnInfo(name = "chapter") val chapter: Int,
+	@ColumnInfo(name = "comment") val comment: String?,
+	@ColumnInfo(name = "rating") val rating: Float,
+) {
+
+	fun copy(
+		status: String?,
+		comment: String?,
+		rating: Float,
+	) = ScrobblingEntity(
+		scrobbler = scrobbler,
+		id = id,
+		mangaId = mangaId,
+		targetId = targetId,
+		status = status,
+		chapter = chapter,
+		comment = comment,
+		rating = rating,
+	)
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/domain/Scrobbler.kt

@@ -0,0 +1,80 @@
+package org.koitharu.kotatsu.scrobbling.domain
+
+import androidx.collection.LongSparseArray
+import androidx.collection.getOrElse
+import androidx.core.text.parseAsHtml
+import java.util.*
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.scrobbling.data.ScrobblingEntity
+import org.koitharu.kotatsu.scrobbling.domain.model.*
+import org.koitharu.kotatsu.utils.ext.findKeyByValue
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
+
+abstract class Scrobbler(
+	protected val db: MangaDatabase,
+	val scrobblerService: ScrobblerService,
+) {
+
+	private val infoCache = LongSparseArray<ScrobblerMangaInfo>()
+	protected val statuses = EnumMap<ScrobblingStatus, String>(ScrobblingStatus::class.java)
+
+	abstract val isAvailable: Boolean
+
+	abstract suspend fun findManga(query: String, offset: Int): List<ScrobblerManga>
+
+	abstract suspend fun linkManga(mangaId: Long, targetId: Long)
+
+	abstract suspend fun scrobble(mangaId: Long, chapter: MangaChapter)
+
+	suspend fun getScrobblingInfoOrNull(mangaId: Long): ScrobblingInfo? {
+		val entity = db.scrobblingDao.find(scrobblerService.id, mangaId) ?: return null
+		return entity.toScrobblingInfo(mangaId)
+	}
+
+	abstract suspend fun updateScrobblingInfo(mangaId: Long, rating: Float, status: ScrobblingStatus?, comment: String?)
+
+	fun observeScrobblingInfo(mangaId: Long): Flow<ScrobblingInfo?> {
+		return db.scrobblingDao.observe(scrobblerService.id, mangaId)
+			.map { it?.toScrobblingInfo(mangaId) }
+	}
+
+	abstract suspend fun unregisterScrobbling(mangaId: Long)
+
+	protected abstract suspend fun getMangaInfo(id: Long): ScrobblerMangaInfo
+
+	private suspend fun ScrobblingEntity.toScrobblingInfo(mangaId: Long): ScrobblingInfo? {
+		val mangaInfo = infoCache.getOrElse(targetId) {
+			runCatching {
+				getMangaInfo(targetId)
+			}.onFailure {
+				it.printStackTraceDebug()
+			}.onSuccess {
+				infoCache.put(targetId, it)
+			}.getOrNull() ?: return null
+		}
+		return ScrobblingInfo(
+			scrobbler = scrobblerService,
+			mangaId = mangaId,
+			targetId = targetId,
+			status = statuses.findKeyByValue(status),
+			chapter = chapter,
+			comment = comment,
+			rating = rating,
+			title = mangaInfo.name,
+			coverUrl = mangaInfo.cover,
+			description = mangaInfo.descriptionHtml.parseAsHtml(),
+			externalUrl = mangaInfo.url,
+		)
+	}
+}
+
+suspend fun Scrobbler.tryScrobble(mangaId: Long, chapter: MangaChapter): Boolean {
+	return runCatching {
+		scrobble(mangaId, chapter)
+	}.onFailure {
+		it.printStackTraceDebug()
+	}.isSuccess
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/domain/model/ScrobblerManga.kt

@@ -0,0 +1,40 @@
+package org.koitharu.kotatsu.scrobbling.domain.model
+
+import org.koitharu.kotatsu.list.ui.model.ListModel
+
+class ScrobblerManga(
+	val id: Long,
+	val name: String,
+	val altName: String?,
+	val cover: String,
+	val url: String,
+) : ListModel {
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as ScrobblerManga
+
+		if (id != other.id) return false
+		if (name != other.name) return false
+		if (altName != other.altName) return false
+		if (cover != other.cover) return false
+		if (url != other.url) return false
+
+		return true
+	}
+
+	override fun hashCode(): Int {
+		var result = id.hashCode()
+		result = 31 * result + name.hashCode()
+		result = 31 * result + altName.hashCode()
+		result = 31 * result + cover.hashCode()
+		result = 31 * result + url.hashCode()
+		return result
+	}
+
+	override fun toString(): String {
+		return "ScrobblerManga #$id \"$name\" $url"
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/domain/model/ScrobblerMangaInfo.kt

@@ -0,0 +1,9 @@
+package org.koitharu.kotatsu.scrobbling.domain.model
+
+class ScrobblerMangaInfo(
+	val id: Long,
+	val name: String,
+	val cover: String,
+	val url: String,
+	val descriptionHtml: String,
+)

app/src/main/java/org/koitharu/kotatsu/scrobbling/domain/model/ScrobblerService.kt

@@ -0,0 +1,14 @@
+package org.koitharu.kotatsu.scrobbling.domain.model
+
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.R
+
+enum class ScrobblerService(
+	val id: Int,
+	@StringRes val titleResId: Int,
+	@DrawableRes val iconResId: Int,
+) {
+
+	SHIKIMORI(1, R.string.shikimori, R.drawable.ic_shikimori)
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/domain/model/ScrobblingInfo.kt

@@ -0,0 +1,52 @@
+package org.koitharu.kotatsu.scrobbling.domain.model
+
+class ScrobblingInfo(
+	val scrobbler: ScrobblerService,
+	val mangaId: Long,
+	val targetId: Long,
+	val status: ScrobblingStatus?,
+	val chapter: Int,
+	val comment: String?,
+	val rating: Float,
+	val title: String,
+	val coverUrl: String,
+	val description: CharSequence?,
+	val externalUrl: String,
+) {
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as ScrobblingInfo
+
+		if (scrobbler != other.scrobbler) return false
+		if (mangaId != other.mangaId) return false
+		if (targetId != other.targetId) return false
+		if (status != other.status) return false
+		if (chapter != other.chapter) return false
+		if (comment != other.comment) return false
+		if (rating != other.rating) return false
+		if (title != other.title) return false
+		if (coverUrl != other.coverUrl) return false
+		if (description != other.description) return false
+		if (externalUrl != other.externalUrl) return false
+
+		return true
+	}
+
+	override fun hashCode(): Int {
+		var result = scrobbler.hashCode()
+		result = 31 * result + mangaId.hashCode()
+		result = 31 * result + targetId.hashCode()
+		result = 31 * result + (status?.hashCode() ?: 0)
+		result = 31 * result + chapter
+		result = 31 * result + (comment?.hashCode() ?: 0)
+		result = 31 * result + rating.hashCode()
+		result = 31 * result + title.hashCode()
+		result = 31 * result + coverUrl.hashCode()
+		result = 31 * result + (description?.hashCode() ?: 0)
+		result = 31 * result + externalUrl.hashCode()
+		return result
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/domain/model/ScrobblingStatus.kt

@@ -0,0 +1,11 @@
+package org.koitharu.kotatsu.scrobbling.domain.model
+
+enum class ScrobblingStatus {
+
+	PLANNED,
+	READING,
+	RE_READING,
+	COMPLETED,
+	ON_HOLD,
+	DROPPED,
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/ShikimoriModule.kt

@@ -0,0 +1,32 @@
+package org.koitharu.kotatsu.scrobbling.shikimori
+
+import okhttp3.OkHttpClient
+import org.koin.android.ext.koin.androidContext
+import org.koin.androidx.viewmodel.dsl.viewModel
+import org.koin.dsl.bind
+import org.koin.dsl.module
+import org.koitharu.kotatsu.scrobbling.domain.Scrobbler
+import org.koitharu.kotatsu.scrobbling.shikimori.data.ShikimoriAuthenticator
+import org.koitharu.kotatsu.scrobbling.shikimori.data.ShikimoriInterceptor
+import org.koitharu.kotatsu.scrobbling.shikimori.data.ShikimoriRepository
+import org.koitharu.kotatsu.scrobbling.shikimori.data.ShikimoriStorage
+import org.koitharu.kotatsu.scrobbling.shikimori.domain.ShikimoriScrobbler
+import org.koitharu.kotatsu.scrobbling.shikimori.ui.ShikimoriSettingsViewModel
+import org.koitharu.kotatsu.scrobbling.ui.selector.ScrobblingSelectorViewModel
+
+val shikimoriModule
+	get() = module {
+		single { ShikimoriStorage(androidContext()) }
+		factory {
+			val okHttp = OkHttpClient.Builder().apply {
+				authenticator(ShikimoriAuthenticator(get(), ::get))
+				addInterceptor(ShikimoriInterceptor(get()))
+			}.build()
+			ShikimoriRepository(okHttp, get(), get())
+		}
+		factory { ShikimoriScrobbler(get(), get()) } bind Scrobbler::class
+		viewModel { params ->
+			ShikimoriSettingsViewModel(get(), params.getOrNull())
+		}
+		viewModel { params -> ScrobblingSelectorViewModel(params[0], get()) }
+	}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/data/ShikimoriAuthenticator.kt

@@ -0,0 +1,51 @@
+package org.koitharu.kotatsu.scrobbling.shikimori.data
+
+import kotlinx.coroutines.runBlocking
+import okhttp3.Authenticator
+import okhttp3.Request
+import okhttp3.Response
+import okhttp3.Route
+import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.core.network.CommonHeaders
+
+class ShikimoriAuthenticator(
+	private val storage: ShikimoriStorage,
+	private val repositoryProvider: () -> ShikimoriRepository,
+) : Authenticator {
+
+	override fun authenticate(route: Route?, response: Response): Request? {
+		val accessToken = storage.accessToken ?: return null
+		if (!isRequestWithAccessToken(response)) {
+			return null
+		}
+		synchronized(this) {
+			val newAccessToken = storage.accessToken ?: return null
+			if (accessToken != newAccessToken) {
+				return newRequestWithAccessToken(response.request, newAccessToken)
+			}
+			val updatedAccessToken = refreshAccessToken() ?: return null
+			return newRequestWithAccessToken(response.request, updatedAccessToken)
+		}
+	}
+
+	private fun isRequestWithAccessToken(response: Response): Boolean {
+		val header = response.request.header(CommonHeaders.AUTHORIZATION)
+		return header?.startsWith("Bearer") == true
+	}
+
+	private fun newRequestWithAccessToken(request: Request, accessToken: String): Request {
+		return request.newBuilder()
+			.header(CommonHeaders.AUTHORIZATION, "Bearer $accessToken")
+			.build()
+	}
+
+	private fun refreshAccessToken(): String? = runCatching {
+		val repository = repositoryProvider()
+		runBlocking { repository.authorize(null) }
+		return storage.accessToken
+	}.onFailure {
+		if (BuildConfig.DEBUG) {
+			it.printStackTrace()
+		}
+	}.getOrNull()
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/data/ShikimoriInterceptor.kt

@@ -0,0 +1,24 @@
+package org.koitharu.kotatsu.scrobbling.shikimori.data
+
+import okhttp3.Interceptor
+import okhttp3.Response
+import okio.IOException
+import org.koitharu.kotatsu.core.network.CommonHeaders
+
+private const val USER_AGENT_SHIKIMORI = "Kotatsu"
+
+class ShikimoriInterceptor(private val storage: ShikimoriStorage) : Interceptor {
+
+	override fun intercept(chain: Interceptor.Chain): Response {
+		val request = chain.request().newBuilder()
+		request.header(CommonHeaders.USER_AGENT, USER_AGENT_SHIKIMORI)
+		storage.accessToken?.let {
+			request.header(CommonHeaders.AUTHORIZATION, "Bearer $it")
+		}
+		val response = chain.proceed(request.build())
+		if (!response.isSuccessful && !response.isRedirect) {
+			throw IOException("${response.code} ${response.message}")
+		}
+		return response
+	}
+}

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

@@ -0,0 +1,199 @@
+package org.koitharu.kotatsu.scrobbling.shikimori.data
+
+import okhttp3.FormBody
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import org.json.JSONObject
+import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.util.await
+import org.koitharu.kotatsu.parsers.util.json.getStringOrNull
+import org.koitharu.kotatsu.parsers.util.json.mapJSON
+import org.koitharu.kotatsu.parsers.util.parseJson
+import org.koitharu.kotatsu.parsers.util.parseJsonArray
+import org.koitharu.kotatsu.parsers.util.toAbsoluteUrl
+import org.koitharu.kotatsu.scrobbling.data.ScrobblingEntity
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerManga
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerMangaInfo
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerService
+import org.koitharu.kotatsu.scrobbling.shikimori.data.model.ShikimoriUser
+import org.koitharu.kotatsu.utils.ext.toRequestBody
+
+private const val REDIRECT_URI = "kotatsu://shikimori-auth"
+private const val BASE_URL = "https://shikimori.one/"
+private const val MANGA_PAGE_SIZE = 10
+
+class ShikimoriRepository(
+	private val okHttp: OkHttpClient,
+	private val storage: ShikimoriStorage,
+	private val db: MangaDatabase,
+) {
+
+	val oauthUrl: String
+		get() = "${BASE_URL}oauth/authorize?client_id=${BuildConfig.SHIKIMORI_CLIENT_ID}&" +
+			"redirect_uri=$REDIRECT_URI&response_type=code&scope="
+
+	val isAuthorized: Boolean
+		get() = storage.accessToken != null
+
+	suspend fun authorize(code: String?) {
+		val body = FormBody.Builder()
+		body.add("grant_type", "authorization_code")
+		body.add("client_id", BuildConfig.SHIKIMORI_CLIENT_ID)
+		body.add("client_secret", BuildConfig.SHIKIMORI_CLIENT_SECRET)
+		if (code != null) {
+			body.add("redirect_uri", REDIRECT_URI)
+			body.add("code", code)
+		} else {
+			body.add("refresh_token", checkNotNull(storage.refreshToken))
+		}
+		val request = Request.Builder()
+			.post(body.build())
+			.url("${BASE_URL}oauth/token")
+		val response = okHttp.newCall(request.build()).await().parseJson()
+		storage.accessToken = response.getString("access_token")
+		storage.refreshToken = response.getString("refresh_token")
+	}
+
+	suspend fun loadUser(): ShikimoriUser {
+		val request = Request.Builder()
+			.get()
+			.url("${BASE_URL}api/users/whoami")
+		val response = okHttp.newCall(request.build()).await().parseJson()
+		return ShikimoriUser(response).also { storage.user = it }
+	}
+
+	fun getCachedUser(): ShikimoriUser? {
+		return storage.user
+	}
+
+	suspend fun unregister(mangaId: Long) {
+		return db.scrobblingDao.delete(ScrobblerService.SHIKIMORI.id, mangaId)
+	}
+
+	fun logout() {
+		storage.clear()
+	}
+
+	suspend fun findManga(query: String, offset: Int): List<ScrobblerManga> {
+		val page = offset / MANGA_PAGE_SIZE
+		val pageOffset = offset % MANGA_PAGE_SIZE
+		val url = BASE_URL.toHttpUrl().newBuilder()
+			.addPathSegment("api")
+			.addPathSegment("mangas")
+			.addEncodedQueryParameter("page", (page + 1).toString())
+			.addEncodedQueryParameter("limit", MANGA_PAGE_SIZE.toString())
+			.addEncodedQueryParameter("censored", false.toString())
+			.addQueryParameter("search", query)
+			.build()
+		val request = Request.Builder().url(url).get().build()
+		val response = okHttp.newCall(request).await().parseJsonArray()
+		val list = response.mapJSON { ScrobblerManga(it) }
+		return if (pageOffset != 0) list.drop(pageOffset) else list
+	}
+
+	suspend fun createRate(mangaId: Long, shikiMangaId: Long) {
+		val user = getCachedUser() ?: loadUser()
+		val payload = JSONObject()
+		payload.put(
+			"user_rate",
+			JSONObject().apply {
+				put("target_id", shikiMangaId)
+				put("target_type", "Manga")
+				put("user_id", user.id)
+			}
+		)
+		val url = BASE_URL.toHttpUrl().newBuilder()
+			.addPathSegment("api")
+			.addPathSegment("v2")
+			.addPathSegment("user_rates")
+			.build()
+		val request = Request.Builder().url(url).post(payload.toRequestBody()).build()
+		val response = okHttp.newCall(request).await().parseJson()
+		saveRate(response, mangaId)
+	}
+
+	suspend fun updateRate(rateId: Int, mangaId: Long, chapter: MangaChapter) {
+		val payload = JSONObject()
+		payload.put(
+			"user_rate",
+			JSONObject().apply {
+				put("chapters", chapter.number)
+			}
+		)
+		val url = BASE_URL.toHttpUrl().newBuilder()
+			.addPathSegment("api")
+			.addPathSegment("v2")
+			.addPathSegment("user_rates")
+			.addPathSegment(rateId.toString())
+			.build()
+		val request = Request.Builder().url(url).patch(payload.toRequestBody()).build()
+		val response = okHttp.newCall(request).await().parseJson()
+		saveRate(response, mangaId)
+	}
+
+	suspend fun updateRate(rateId: Int, mangaId: Long, rating: Float, status: String?, comment: String?) {
+		val payload = JSONObject()
+		payload.put(
+			"user_rate",
+			JSONObject().apply {
+				put("score", rating.toString())
+				if (comment != null) {
+					put("text", comment)
+				}
+				if (status != null) {
+					put("status", status)
+				}
+			}
+		)
+		val url = BASE_URL.toHttpUrl().newBuilder()
+			.addPathSegment("api")
+			.addPathSegment("v2")
+			.addPathSegment("user_rates")
+			.addPathSegment(rateId.toString())
+			.build()
+		val request = Request.Builder().url(url).patch(payload.toRequestBody()).build()
+		val response = okHttp.newCall(request).await().parseJson()
+		saveRate(response, mangaId)
+	}
+
+	suspend fun getMangaInfo(id: Long): ScrobblerMangaInfo {
+		val request = Request.Builder()
+			.get()
+			.url("${BASE_URL}api/mangas/$id")
+		val response = okHttp.newCall(request.build()).await().parseJson()
+		return ScrobblerMangaInfo(response)
+	}
+
+	private suspend fun saveRate(json: JSONObject, mangaId: Long) {
+		val entity = ScrobblingEntity(
+			scrobbler = ScrobblerService.SHIKIMORI.id,
+			id = json.getInt("id"),
+			mangaId = mangaId,
+			targetId = json.getLong("target_id"),
+			status = json.getString("status"),
+			chapter = json.getInt("chapters"),
+			comment = json.getString("text"),
+			rating = json.getDouble("score").toFloat() / 10f,
+		)
+		db.scrobblingDao.insert(entity)
+	}
+
+	private fun ScrobblerManga(json: JSONObject) = ScrobblerManga(
+		id = json.getLong("id"),
+		name = json.getString("name"),
+		altName = json.getStringOrNull("russian"),
+		cover = json.getJSONObject("image").getString("preview").toAbsoluteUrl("shikimori.one"),
+		url = json.getString("url").toAbsoluteUrl("shikimori.one"),
+	)
+
+	private fun ScrobblerMangaInfo(json: JSONObject) = ScrobblerMangaInfo(
+		id = json.getLong("id"),
+		name = json.getString("name"),
+		cover = json.getJSONObject("image").getString("preview").toAbsoluteUrl("shikimori.one"),
+		url = json.getString("url").toAbsoluteUrl("shikimori.one"),
+		descriptionHtml = json.getString("description_html"),
+	)
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/data/ShikimoriStorage.kt

@@ -0,0 +1,36 @@
+package org.koitharu.kotatsu.scrobbling.shikimori.data
+
+import android.content.Context
+import androidx.core.content.edit
+import org.json.JSONObject
+import org.koitharu.kotatsu.scrobbling.shikimori.data.model.ShikimoriUser
+
+private const val PREF_NAME = "shikimori"
+private const val KEY_ACCESS_TOKEN = "access_token"
+private const val KEY_REFRESH_TOKEN = "refresh_token"
+private const val KEY_USER = "user"
+
+class ShikimoriStorage(context: Context) {
+
+	private val prefs = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+
+	var accessToken: String?
+		get() = prefs.getString(KEY_ACCESS_TOKEN, null)
+		set(value) = prefs.edit { putString(KEY_ACCESS_TOKEN, value) }
+
+	var refreshToken: String?
+		get() = prefs.getString(KEY_REFRESH_TOKEN, null)
+		set(value) = prefs.edit { putString(KEY_REFRESH_TOKEN, value) }
+
+	var user: ShikimoriUser?
+		get() = prefs.getString(KEY_USER, null)?.let {
+			ShikimoriUser(JSONObject(it))
+		}
+		set(value) = prefs.edit {
+			putString(KEY_USER, value?.toJson()?.toString())
+		}
+
+	fun clear() = prefs.edit {
+		clear()
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/data/model/ShikimoriUser.kt

@@ -0,0 +1,42 @@
+package org.koitharu.kotatsu.scrobbling.shikimori.data.model
+
+import org.json.JSONObject
+
+class ShikimoriUser(
+	val id: Long,
+	val nickname: String,
+	val avatar: String,
+) {
+
+	constructor(json: JSONObject) : this(
+		id = json.getLong("id"),
+		nickname = json.getString("nickname"),
+		avatar = json.getString("avatar"),
+	)
+
+	fun toJson() = JSONObject().apply {
+		put("id", id)
+		put("nickname", nickname)
+		put("avatar", avatar)
+	}
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as ShikimoriUser
+
+		if (id != other.id) return false
+		if (nickname != other.nickname) return false
+		if (avatar != other.avatar) return false
+
+		return true
+	}
+
+	override fun hashCode(): Int {
+		var result = id.hashCode()
+		result = 31 * result + nickname.hashCode()
+		result = 31 * result + avatar.hashCode()
+		return result
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/domain/ShikimoriScrobbler.kt

@@ -0,0 +1,68 @@
+package org.koitharu.kotatsu.scrobbling.shikimori.domain
+
+import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.scrobbling.domain.Scrobbler
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerManga
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerMangaInfo
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerService
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblingStatus
+import org.koitharu.kotatsu.scrobbling.shikimori.data.ShikimoriRepository
+
+private const val RATING_MAX = 10f
+
+class ShikimoriScrobbler(
+	private val repository: ShikimoriRepository,
+	db: MangaDatabase,
+) : Scrobbler(db, ScrobblerService.SHIKIMORI) {
+
+	init {
+		statuses[ScrobblingStatus.PLANNED] = "planned"
+		statuses[ScrobblingStatus.READING] = "watching"
+		statuses[ScrobblingStatus.RE_READING] = "rewatching"
+		statuses[ScrobblingStatus.COMPLETED] = "completed"
+		statuses[ScrobblingStatus.ON_HOLD] = "on_hold"
+		statuses[ScrobblingStatus.DROPPED] = "dropped"
+	}
+
+	override val isAvailable: Boolean
+		get() = repository.isAuthorized
+
+	override suspend fun findManga(query: String, offset: Int): List<ScrobblerManga> {
+		return repository.findManga(query, offset)
+	}
+
+	override suspend fun linkManga(mangaId: Long, targetId: Long) {
+		repository.createRate(mangaId, targetId)
+	}
+
+	override suspend fun scrobble(mangaId: Long, chapter: MangaChapter) {
+		val entity = db.scrobblingDao.find(scrobblerService.id, mangaId) ?: return
+		repository.updateRate(entity.id, entity.mangaId, chapter)
+	}
+
+	override suspend fun updateScrobblingInfo(
+		mangaId: Long,
+		rating: Float,
+		status: ScrobblingStatus?,
+		comment: String?,
+	) {
+		val entity = db.scrobblingDao.find(scrobblerService.id, mangaId)
+		requireNotNull(entity) { "Scrobbling info for manga $mangaId not found" }
+		repository.updateRate(
+			rateId = entity.id,
+			mangaId = entity.mangaId,
+			rating = rating * RATING_MAX,
+			status = statuses[status],
+			comment = comment,
+		)
+	}
+
+	override suspend fun unregisterScrobbling(mangaId: Long) {
+		repository.unregister(mangaId)
+	}
+
+	override suspend fun getMangaInfo(id: Long): ScrobblerMangaInfo {
+		return repository.getMangaInfo(id)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/ui/ShikimoriSettingsFragment.kt

@@ -0,0 +1,79 @@
+package org.koitharu.kotatsu.scrobbling.shikimori.ui
+
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.view.View
+import androidx.preference.Preference
+import coil.ImageLoader
+import coil.request.ImageRequest
+import coil.transform.CircleCropTransformation
+import org.koin.android.ext.android.inject
+import org.koin.androidx.viewmodel.ext.android.viewModel
+import org.koin.core.parameter.parametersOf
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.BasePreferenceFragment
+import org.koitharu.kotatsu.scrobbling.shikimori.data.model.ShikimoriUser
+import org.koitharu.kotatsu.utils.PreferenceIconTarget
+import org.koitharu.kotatsu.utils.ext.enqueueWith
+import org.koitharu.kotatsu.utils.ext.withArgs
+
+class ShikimoriSettingsFragment : BasePreferenceFragment(R.string.shikimori) {
+
+	private val viewModel by viewModel<ShikimoriSettingsViewModel> {
+		parametersOf(arguments?.getString(ARG_AUTH_CODE))
+	}
+	private val coil by inject<ImageLoader>(mode = LazyThreadSafetyMode.NONE)
+
+	override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+		addPreferencesFromResource(R.xml.pref_shikimori)
+	}
+
+	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+		super.onViewCreated(view, savedInstanceState)
+		viewModel.user.observe(viewLifecycleOwner, this::onUserChanged)
+	}
+
+	override fun onPreferenceTreeClick(preference: Preference): Boolean {
+		return when (preference.key) {
+			KEY_USER -> openAuthorization()
+			KEY_LOGOUT -> {
+				viewModel.logout()
+				true
+			}
+			else -> super.onPreferenceTreeClick(preference)
+		}
+	}
+
+	private fun onUserChanged(user: ShikimoriUser?) {
+		val pref = findPreference<Preference>(KEY_USER) ?: return
+		pref.isSelectable = user == null
+		pref.title = user?.nickname ?: getString(R.string.sign_in)
+		ImageRequest.Builder(requireContext())
+			.data(user?.avatar)
+			.transformations(CircleCropTransformation())
+			.target(PreferenceIconTarget(pref))
+			.enqueueWith(coil)
+		findPreference<Preference>(KEY_LOGOUT)?.isVisible = user != null
+	}
+
+	private fun openAuthorization(): Boolean {
+		return runCatching {
+			val intent = Intent(Intent.ACTION_VIEW)
+			intent.data = Uri.parse(viewModel.authorizationUrl)
+			startActivity(intent)
+		}.isSuccess
+	}
+
+	companion object {
+
+		private const val KEY_USER = "shiki_user"
+		private const val KEY_LOGOUT = "shiki_logout"
+
+		private const val ARG_AUTH_CODE = "auth_code"
+
+		fun newInstance(authCode: String?) = ShikimoriSettingsFragment().withArgs(1) {
+			putString(ARG_AUTH_CODE, authCode)
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/ui/ShikimoriSettingsViewModel.kt

@@ -0,0 +1,48 @@
+package org.koitharu.kotatsu.scrobbling.shikimori.ui
+
+import androidx.lifecycle.MutableLiveData
+import kotlinx.coroutines.Dispatchers
+import org.koitharu.kotatsu.base.ui.BaseViewModel
+import org.koitharu.kotatsu.scrobbling.shikimori.data.ShikimoriRepository
+import org.koitharu.kotatsu.scrobbling.shikimori.data.model.ShikimoriUser
+
+class ShikimoriSettingsViewModel(
+	private val repository: ShikimoriRepository,
+	authCode: String?,
+) : BaseViewModel() {
+
+	val authorizationUrl: String
+		get() = repository.oauthUrl
+
+	val user = MutableLiveData<ShikimoriUser?>()
+
+	init {
+		if (authCode != null) {
+			authorize(authCode)
+		} else {
+			loadUser()
+		}
+	}
+
+	fun logout() {
+		launchJob(Dispatchers.Default) {
+			repository.logout()
+			user.postValue(null)
+		}
+	}
+
+	private fun loadUser() = launchJob(Dispatchers.Default) {
+		val userModel = if (repository.isAuthorized) {
+			repository.getCachedUser()?.let(user::postValue)
+			repository.loadUser()
+		} else {
+			null
+		}
+		user.postValue(userModel)
+	}
+
+	private fun authorize(code: String) = launchJob(Dispatchers.Default) {
+		repository.authorize(code)
+		user.postValue(repository.loadUser())
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/ui/selector/ScrobblingSelectorBottomSheet.kt

@@ -0,0 +1,155 @@
+package org.koitharu.kotatsu.scrobbling.ui.selector
+
+import android.app.Dialog
+import android.content.DialogInterface
+import android.os.Bundle
+import android.view.*
+import android.widget.Toast
+import androidx.appcompat.widget.SearchView
+import androidx.fragment.app.FragmentManager
+import org.koin.android.ext.android.get
+import org.koin.androidx.viewmodel.ext.android.viewModel
+import org.koin.core.parameter.parametersOf
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.domain.MangaIntent
+import org.koitharu.kotatsu.base.ui.BaseBottomSheet
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.base.ui.list.PaginationScrollListener
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
+import org.koitharu.kotatsu.databinding.SheetScrobblingSelectorBinding
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerManga
+import org.koitharu.kotatsu.scrobbling.ui.selector.adapter.ShikiMangaSelectionDecoration
+import org.koitharu.kotatsu.scrobbling.ui.selector.adapter.ShikimoriSelectorAdapter
+import org.koitharu.kotatsu.utils.BottomSheetToolbarController
+import org.koitharu.kotatsu.utils.ext.getDisplayMessage
+import org.koitharu.kotatsu.utils.ext.withArgs
+
+class ScrobblingSelectorBottomSheet :
+	BaseBottomSheet<SheetScrobblingSelectorBinding>(),
+	OnListItemClickListener<ScrobblerManga>,
+	PaginationScrollListener.Callback,
+	View.OnClickListener,
+	MenuItem.OnActionExpandListener,
+	SearchView.OnQueryTextListener,
+	DialogInterface.OnKeyListener {
+
+	private val viewModel by viewModel<ScrobblingSelectorViewModel> {
+		parametersOf(requireNotNull(requireArguments().getParcelable<ParcelableManga>(MangaIntent.KEY_MANGA)).manga)
+	}
+
+	override fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): SheetScrobblingSelectorBinding {
+		return SheetScrobblingSelectorBinding.inflate(inflater, container, false)
+	}
+
+	override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+		return super.onCreateDialog(savedInstanceState).also {
+			it.setOnKeyListener(this)
+		}
+	}
+
+	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+		super.onViewCreated(view, savedInstanceState)
+		binding.toolbar.setNavigationOnClickListener { dismiss() }
+		addBottomSheetCallback(BottomSheetToolbarController(binding.toolbar))
+		val listAdapter = ShikimoriSelectorAdapter(viewLifecycleOwner, get(), this)
+		val decoration = ShikiMangaSelectionDecoration(view.context)
+		with(binding.recyclerView) {
+			adapter = listAdapter
+			addItemDecoration(decoration)
+			addOnScrollListener(PaginationScrollListener(4, this@ScrobblingSelectorBottomSheet))
+		}
+		binding.buttonDone.setOnClickListener(this)
+		initOptionsMenu()
+
+		viewModel.content.observe(viewLifecycleOwner) { listAdapter.items = it }
+		viewModel.selectedItemId.observe(viewLifecycleOwner) {
+			decoration.checkedItemId = it
+			binding.recyclerView.invalidateItemDecorations()
+		}
+		viewModel.onError.observe(viewLifecycleOwner, ::onError)
+		viewModel.onClose.observe(viewLifecycleOwner) {
+			dismiss()
+		}
+		viewModel.searchQuery.observe(viewLifecycleOwner) {
+			binding.toolbar.subtitle = it
+		}
+	}
+
+	override fun onClick(v: View) {
+		when (v.id) {
+			R.id.button_done -> viewModel.onDoneClick()
+		}
+	}
+
+	override fun onItemClick(item: ScrobblerManga, view: View) {
+		viewModel.selectedItemId.value = item.id
+	}
+
+	override fun onScrolledToEnd() {
+		viewModel.loadList(append = true)
+	}
+
+	override fun onMenuItemActionExpand(item: MenuItem?): Boolean {
+		setExpanded(isExpanded = true, isLocked = true)
+		return true
+	}
+
+	override fun onMenuItemActionCollapse(item: MenuItem): Boolean {
+		val searchView = (item.actionView as? SearchView) ?: return false
+		searchView.setQuery("", false)
+		searchView.post { setExpanded(isExpanded = false, isLocked = false) }
+		return true
+	}
+
+	override fun onQueryTextSubmit(query: String?): Boolean {
+		if (query == null || query.length < 3) {
+			return false
+		}
+		viewModel.search(query)
+		binding.toolbar.menu.findItem(R.id.action_search)?.collapseActionView()
+		return true
+	}
+
+	override fun onQueryTextChange(newText: String?): Boolean = false
+
+	override fun onKey(dialog: DialogInterface?, keyCode: Int, event: KeyEvent?): Boolean {
+		if (keyCode == KeyEvent.KEYCODE_BACK) {
+			val menuItem = binding.toolbar.menu.findItem(R.id.action_search) ?: return false
+			if (menuItem.isActionViewExpanded) {
+				if (event?.action == KeyEvent.ACTION_UP) {
+					menuItem.collapseActionView()
+				}
+				return true
+			}
+		}
+		return false
+	}
+
+	private fun onError(e: Throwable) {
+		Toast.makeText(requireContext(), e.getDisplayMessage(resources), Toast.LENGTH_LONG).show()
+		if (viewModel.isEmpty) {
+			dismissAllowingStateLoss()
+		}
+	}
+
+	private fun initOptionsMenu() {
+		binding.toolbar.inflateMenu(R.menu.opt_shiki_selector)
+		val searchMenuItem = binding.toolbar.menu.findItem(R.id.action_search)
+		searchMenuItem.setOnActionExpandListener(this)
+		val searchView = searchMenuItem.actionView as SearchView
+		searchView.setOnQueryTextListener(this)
+		searchView.setIconifiedByDefault(false)
+		searchView.queryHint = searchMenuItem.title
+	}
+
+	companion object {
+
+		private const val TAG = "ScrobblingSelectorBottomSheet"
+
+		fun show(fm: FragmentManager, manga: Manga) =
+			ScrobblingSelectorBottomSheet().withArgs(1) {
+				putParcelable(MangaIntent.KEY_MANGA, ParcelableManga(manga, withChapters = false))
+			}.show(fm, TAG)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/ui/selector/ScrobblingSelectorViewModel.kt

@@ -0,0 +1,101 @@
+package org.koitharu.kotatsu.scrobbling.ui.selector
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.viewModelScope
+import androidx.recyclerview.widget.RecyclerView.NO_ID
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.filterNotNull
+import org.koitharu.kotatsu.base.ui.BaseViewModel
+import org.koitharu.kotatsu.list.ui.model.ListModel
+import org.koitharu.kotatsu.list.ui.model.LoadingFooter
+import org.koitharu.kotatsu.list.ui.model.LoadingState
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.scrobbling.domain.Scrobbler
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerManga
+import org.koitharu.kotatsu.utils.SingleLiveEvent
+import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+
+class ScrobblingSelectorViewModel(
+	val manga: Manga,
+	private val scrobbler: Scrobbler,
+) : BaseViewModel() {
+
+	private val shikiMangaList = MutableStateFlow<List<ScrobblerManga>?>(null)
+	private val hasNextPage = MutableStateFlow(false)
+	private var loadingJob: Job? = null
+	private var doneJob: Job? = null
+
+	val content: LiveData<List<ListModel>> = combine(
+		shikiMangaList.filterNotNull(),
+		hasNextPage
+	) { list, isHasNextPage ->
+		when {
+			list.isEmpty() -> listOf()
+			isHasNextPage -> list + LoadingFooter
+			else -> list
+		}
+	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
+
+	val selectedItemId = MutableLiveData(NO_ID)
+	val searchQuery = MutableLiveData(manga.title)
+	val onClose = SingleLiveEvent<Unit>()
+
+	val isEmpty: Boolean
+		get() = shikiMangaList.value.isNullOrEmpty()
+
+	init {
+		launchJob(Dispatchers.Default) {
+			try {
+				val info = scrobbler.getScrobblingInfoOrNull(manga.id)
+				if (info != null) {
+					selectedItemId.postValue(info.targetId)
+				}
+			} finally {
+				loadList(append = false)
+			}
+		}
+	}
+
+	fun search(query: String) {
+		loadingJob?.cancel()
+		searchQuery.value = query
+		loadList(append = false)
+	}
+
+	fun loadList(append: Boolean) {
+		if (loadingJob?.isActive == true) {
+			return
+		}
+		if (append && !hasNextPage.value) {
+			return
+		}
+		loadingJob = launchLoadingJob(Dispatchers.Default) {
+			val offset = if (append) shikiMangaList.value?.size ?: 0 else 0
+			val list = scrobbler.findManga(checkNotNull(searchQuery.value), offset)
+			if (!append) {
+				shikiMangaList.value = list
+			} else if (list.isNotEmpty()) {
+				shikiMangaList.value = shikiMangaList.value?.plus(list) ?: list
+			}
+			hasNextPage.value = list.isNotEmpty()
+		}
+	}
+
+	fun onDoneClick() {
+		if (doneJob?.isActive == true) {
+			return
+		}
+		val targetId = selectedItemId.value ?: NO_ID
+		if (targetId == NO_ID) {
+			onClose.call(Unit)
+		}
+		doneJob = launchJob(Dispatchers.Default) {
+			scrobbler.linkManga(manga.id, targetId)
+			onClose.postCall(Unit)
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/ui/selector/adapter/ShikiMangaSelectionDecoration.kt

@@ -0,0 +1,52 @@
+package org.koitharu.kotatsu.scrobbling.ui.selector.adapter
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Paint
+import android.graphics.RectF
+import android.view.View
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.NO_ID
+import org.koitharu.kotatsu.list.ui.MangaSelectionDecoration
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerManga
+import org.koitharu.kotatsu.utils.ext.getItem
+
+class ShikiMangaSelectionDecoration(context: Context) : MangaSelectionDecoration(context) {
+
+	var checkedItemId: Long
+		get() = selection.singleOrNull() ?: NO_ID
+		set(value) {
+			clearSelection()
+			if (value != NO_ID) {
+				selection.add(value)
+			}
+		}
+
+	override fun getItemId(parent: RecyclerView, child: View): Long {
+		val holder = parent.getChildViewHolder(child) ?: return NO_ID
+		val item = holder.getItem(ScrobblerManga::class.java) ?: return NO_ID
+		return item.id
+	}
+
+	override fun onDrawForeground(
+		canvas: Canvas,
+		parent: RecyclerView,
+		child: View,
+		bounds: RectF,
+		state: RecyclerView.State,
+	) {
+		paint.color = strokeColor
+		paint.style = Paint.Style.STROKE
+		canvas.drawRoundRect(bounds, defaultRadius, defaultRadius, paint)
+		checkIcon?.run {
+			val offset = (bounds.height() - intrinsicHeight) / 2
+			setBounds(
+				(bounds.right - offset - intrinsicWidth).toInt(),
+				(bounds.top + offset).toInt(),
+				(bounds.right - offset).toInt(),
+				(bounds.top + offset + intrinsicHeight).toInt(),
+			)
+			draw(canvas)
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/ui/selector/adapter/ShikimoriMangaAD.kt

@@ -0,0 +1,52 @@
+package org.koitharu.kotatsu.scrobbling.ui.selector.adapter
+
+import androidx.lifecycle.LifecycleOwner
+import coil.ImageLoader
+import coil.request.Disposable
+import coil.size.Scale
+import coil.util.CoilUtils
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.databinding.ItemMangaListBinding
+import org.koitharu.kotatsu.list.ui.model.ListModel
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerManga
+import org.koitharu.kotatsu.utils.ext.enqueueWith
+import org.koitharu.kotatsu.utils.ext.newImageRequest
+import org.koitharu.kotatsu.utils.ext.textAndVisible
+
+fun shikimoriMangaAD(
+	lifecycleOwner: LifecycleOwner,
+	coil: ImageLoader,
+	clickListener: OnListItemClickListener<ScrobblerManga>,
+) = adapterDelegateViewBinding<ScrobblerManga, ListModel, ItemMangaListBinding>(
+	{ inflater, parent -> ItemMangaListBinding.inflate(inflater, parent, false) }
+) {
+
+	var imageRequest: Disposable? = null
+
+	itemView.setOnClickListener {
+		clickListener.onItemClick(item, it)
+	}
+
+	bind {
+		imageRequest?.dispose()
+		binding.textViewTitle.text = item.name
+		binding.textViewSubtitle.textAndVisible = item.altName
+		imageRequest = binding.imageViewCover.newImageRequest(item.cover)
+			.placeholder(R.drawable.ic_placeholder)
+			.fallback(R.drawable.ic_placeholder)
+			.error(R.drawable.ic_placeholder)
+			.scale(Scale.FILL)
+			.allowRgb565(true)
+			.lifecycle(lifecycleOwner)
+			.enqueueWith(coil)
+	}
+
+	onViewRecycled {
+		imageRequest?.dispose()
+		imageRequest = null
+		CoilUtils.dispose(binding.imageViewCover)
+		binding.imageViewCover.setImageDrawable(null)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/ui/selector/adapter/ShikimoriSelectorAdapter.kt

@@ -0,0 +1,40 @@
+package org.koitharu.kotatsu.scrobbling.ui.selector.adapter
+
+import androidx.lifecycle.LifecycleOwner
+import androidx.recyclerview.widget.DiffUtil
+import coil.ImageLoader
+import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
+import kotlin.jvm.internal.Intrinsics
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.list.ui.adapter.loadingFooterAD
+import org.koitharu.kotatsu.list.ui.adapter.loadingStateAD
+import org.koitharu.kotatsu.list.ui.model.ListModel
+import org.koitharu.kotatsu.scrobbling.domain.model.ScrobblerManga
+
+class ShikimoriSelectorAdapter(
+	lifecycleOwner: LifecycleOwner,
+	coil: ImageLoader,
+	clickListener: OnListItemClickListener<ScrobblerManga>,
+) : AsyncListDifferDelegationAdapter<ListModel>(DiffCallback()) {
+
+	init {
+		delegatesManager.addDelegate(loadingStateAD())
+			.addDelegate(shikimoriMangaAD(lifecycleOwner, coil, clickListener))
+			.addDelegate(loadingFooterAD())
+	}
+
+	private class DiffCallback : DiffUtil.ItemCallback<ListModel>() {
+
+		override fun areItemsTheSame(oldItem: ListModel, newItem: ListModel): Boolean {
+			return when {
+				oldItem === newItem -> true
+				oldItem is ScrobblerManga && newItem is ScrobblerManga -> oldItem.id == newItem.id
+				else -> false
+			}
+		}
+
+		override fun areContentsTheSame(oldItem: ListModel, newItem: ListModel): Boolean {
+			return Intrinsics.areEqual(oldItem, newItem)
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/search/ui/SearchViewModel.kt

@@ -35,7 +35,7 @@ class SearchViewModel(
 			list == null -> listOf(LoadingState)
 			list.isEmpty() -> listOf(
 				EmptyState(
-					icon = R.drawable.ic_book_search,
+					icon = R.drawable.ic_empty_search,
 					textPrimary = R.string.nothing_found,
 					textSecondary = R.string.text_search_holder_secondary,
 					actionStringRes = 0,

app/src/main/java/org/koitharu/kotatsu/search/ui/multi/MultiSearchActivity.kt

@@ -17,6 +17,7 @@ import org.koin.androidx.viewmodel.ext.android.viewModel
 import org.koin.core.parameter.parametersOf
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseActivity
+import org.koitharu.kotatsu.base.ui.list.ListSelectionController
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.databinding.ActivitySearchMultiBinding
 import org.koitharu.kotatsu.details.ui.DetailsActivity
@@ -32,14 +33,14 @@ import org.koitharu.kotatsu.search.ui.multi.adapter.MultiSearchAdapter
 import org.koitharu.kotatsu.utils.ShareHelper
 import org.koitharu.kotatsu.utils.ext.findViewsByType
 
-class MultiSearchActivity : BaseActivity<ActivitySearchMultiBinding>(), MangaListListener, ActionMode.Callback {
+class MultiSearchActivity : BaseActivity<ActivitySearchMultiBinding>(), MangaListListener,
+	ListSelectionController.Callback {
 
 	private val viewModel by viewModel<MultiSearchViewModel> {
 		parametersOf(intent.getStringExtra(EXTRA_QUERY).orEmpty())
 	}
 	private lateinit var adapter: MultiSearchAdapter
-	private lateinit var selectionDecoration: MangaSelectionDecoration
+	private lateinit var selectionController: ListSelectionController
-	private var actionMode: ActionMode? = null
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
@@ -51,7 +52,13 @@ class MultiSearchActivity : BaseActivity<ActivitySearchMultiBinding>(), MangaLis
 			}
 		}
 		val sizeResolver = ItemSizeResolver(resources, get())
-		selectionDecoration = MangaSelectionDecoration(this)
+		val selectionDecoration = MangaSelectionDecoration(this)
+		selectionController = ListSelectionController(
+			activity = this,
+			decoration = selectionDecoration,
+			registryOwner = this,
+			callback = this,
+		)
 		adapter = MultiSearchAdapter(
 			lifecycleOwner = this,
 			coil = get(),
@@ -90,29 +97,14 @@ class MultiSearchActivity : BaseActivity<ActivitySearchMultiBinding>(), MangaLis
 	}
 
 	override fun onItemClick(item: Manga, view: View) {
-		if (selectionDecoration.checkedItemsCount != 0) {
+		if (!selectionController.onItemClick(item.id)) {
-			selectionDecoration.toggleItemChecked(item.id)
-			if (selectionDecoration.checkedItemsCount == 0) {
-				actionMode?.finish()
-			} else {
-				actionMode?.invalidate()
-				invalidateItemDecorations()
-			}
-			return
-		}
 			val intent = DetailsActivity.newIntent(this, item)
 			startActivity(intent)
 		}
+	}
 
 	override fun onItemLongClick(item: Manga, view: View): Boolean {
-		if (actionMode == null) {
+		return selectionController.onItemLongClick(item.id)
-			actionMode = startSupportActionMode(this)
-		}
-		return actionMode?.also {
-			selectionDecoration.setItemIsChecked(item.id, true)
-			invalidateItemDecorations()
-			it.invalidate()
-		} != null
 	}
 
 	override fun onRetryClick(error: Throwable) {
@@ -131,7 +123,7 @@ class MultiSearchActivity : BaseActivity<ActivitySearchMultiBinding>(), MangaLis
 	}
 
 	override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
-		mode.title = selectionDecoration.checkedItemsCount.toString()
+		mode.title = selectionController.count.toString()
 		return true
 	}
 
@@ -156,22 +148,16 @@ class MultiSearchActivity : BaseActivity<ActivitySearchMultiBinding>(), MangaLis
 		}
 	}
 
-	override fun onDestroyActionMode(mode: ActionMode) {
+	override fun onSelectionChanged(count: Int) {
-		selectionDecoration.clearSelection()
-		invalidateItemDecorations()
-		actionMode = null
-	}
-
-	private fun collectSelectedItems(): Set<Manga> {
-		return viewModel.getItems(selectionDecoration.checkedItemsIds)
-	}
-
-	private fun invalidateItemDecorations() {
 		binding.recyclerView.findViewsByType(RecyclerView::class.java).forEach {
 			it.invalidateItemDecorations()
 		}
 	}
 
+	private fun collectSelectedItems(): Set<Manga> {
+		return viewModel.getItems(selectionController.peekCheckedIds())
+	}
+
 	companion object {
 
 		private const val EXTRA_QUERY = "query"

app/src/main/java/org/koitharu/kotatsu/search/ui/multi/MultiSearchListModel.kt

@@ -6,6 +6,7 @@ import org.koitharu.kotatsu.parsers.model.MangaSource
 
 class MultiSearchListModel(
 	val source: MangaSource,
+	val hasMore: Boolean,
 	val list: List<MangaItemModel>,
 ) : ListModel {
 
@@ -16,6 +17,7 @@ class MultiSearchListModel(
 		other as MultiSearchListModel
 
 		if (source != other.source) return false
+		if (hasMore != other.hasMore) return false
 		if (list != other.list) return false
 
 		return true
@@ -23,6 +25,7 @@ class MultiSearchListModel(
 
 	override fun hashCode(): Int {
 		var result = source.hashCode()
+		result = 31 * result + hasMore.hashCode()
 		result = 31 * result + list.hashCode()
 		return result
 	}

app/src/main/java/org/koitharu/kotatsu/search/ui/multi/MultiSearchViewModel.kt

@@ -19,6 +19,7 @@ import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 
 private const val MAX_PARALLELISM = 4
+private const val MIN_HAS_MORE_ITEMS = 8
 
 class MultiSearchViewModel(
 	initialQuery: String,
@@ -42,7 +43,7 @@ class MultiSearchViewModel(
 					loading -> LoadingState
 					error != null -> error.toErrorState(canRetry = true)
 					else -> EmptyState(
-						icon = R.drawable.ic_book_search,
+						icon = R.drawable.ic_empty_search,
 						textPrimary = R.string.nothing_found,
 						textSecondary = R.string.text_search_holder_secondary,
 						actionStringRes = 0,
@@ -98,7 +99,7 @@ class MultiSearchViewModel(
 						val list = MangaRepository(source).getList(offset = 0, query = q)
 							.toUi(ListMode.GRID)
 						if (list.isNotEmpty()) {
-							MultiSearchListModel(source, list)
+							MultiSearchListModel(source, list.size > MIN_HAS_MORE_ITEMS, list)
 						} else {
 							null
 						}

app/src/main/java/org/koitharu/kotatsu/search/ui/multi/adapter/SearchResultsAD.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.search.ui.multi.adapter
 
+import androidx.core.view.isVisible
 import androidx.lifecycle.LifecycleOwner
 import androidx.recyclerview.widget.RecyclerView.RecycledViewPool
 import coil.ImageLoader
@@ -37,11 +38,12 @@ fun searchResultsAD(
 	val spacing = context.resources.getDimensionPixelOffset(R.dimen.grid_spacing)
 	binding.recyclerView.addItemDecoration(SpacingItemDecoration(spacing))
 	val eventListener = AdapterDelegateClickListenerAdapter(this, itemClickListener)
-	itemView.setOnClickListener(eventListener)
+	binding.buttonMore.setOnClickListener(eventListener)
 
 	bind {
 		binding.textViewTitle.text = item.source.title
-		adapter.items = item.list
+		binding.buttonMore.isVisible = item.hasMore
 		adapter.notifyDataSetChanged()
+		adapter.items = item.list
 	}
 }

app/src/main/java/org/koitharu/kotatsu/settings/AppUpdateChecker.kt

@@ -4,9 +4,9 @@ import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
-import android.net.Uri
 import androidx.activity.ComponentActivity
 import androidx.annotation.MainThread
+import androidx.core.net.toUri
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
@@ -23,9 +23,6 @@ import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 import java.io.ByteArrayInputStream
 import java.io.InputStream
 import java.security.MessageDigest
-import java.security.NoSuchAlgorithmException
-import java.security.cert.CertificateEncodingException
-import java.security.cert.CertificateException
 import java.security.cert.CertificateFactory
 import java.security.cert.X509Certificate
 import java.util.concurrent.TimeUnit
@@ -74,7 +71,8 @@ class AppUpdateChecker(private val activity: ComponentActivity) {
 			.setTitle(R.string.app_update_available)
 			.setMessage(message)
 			.setPositiveButton(R.string.download) { _, _ ->
-				activity.startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(version.apkUrl)))
+				val intent = Intent(Intent.ACTION_VIEW, version.apkUrl.toUri())
+				activity.startActivity(Intent.createChooser(intent, activity.getString(R.string.open_in_browser)))
 			}
 			.setNegativeButton(R.string.close, null)
 			.setCancelable(false)
@@ -88,42 +86,23 @@ class AppUpdateChecker(private val activity: ComponentActivity) {
 		private val PERIOD = TimeUnit.HOURS.toMillis(6)
 
 		fun isUpdateSupported(context: Context): Boolean {
-			return getCertificateSHA1Fingerprint(context) == CERT_SHA1
+			return BuildConfig.DEBUG || getCertificateSHA1Fingerprint(context) == CERT_SHA1
 		}
 
 		@Suppress("DEPRECATION")
 		@SuppressLint("PackageManagerGetSignatures")
-		private fun getCertificateSHA1Fingerprint(context: Context): String? {
+		private fun getCertificateSHA1Fingerprint(context: Context): String? = runCatching {
-			val packageInfo = try {
+			val packageInfo = context.packageManager.getPackageInfo(context.packageName, PackageManager.GET_SIGNATURES)
-				context.packageManager.getPackageInfo(
+			val signatures = requireNotNull(packageInfo?.signatures)
-					context.packageName,
+			val cert: ByteArray = signatures.first().toByteArray()
-					PackageManager.GET_SIGNATURES
-				)
-			} catch (e: PackageManager.NameNotFoundException) {
-				e.printStackTraceDebug()
-				return null
-			}
-			val signatures = packageInfo?.signatures
-			val cert: ByteArray = signatures?.firstOrNull()?.toByteArray() ?: return null
 			val input: InputStream = ByteArrayInputStream(cert)
-			val c = try {
 			val cf = CertificateFactory.getInstance("X509")
-				cf.generateCertificate(input) as X509Certificate
+			val c = cf.generateCertificate(input) as X509Certificate
-			} catch (e: CertificateException) {
-				e.printStackTraceDebug()
-				return null
-			}
-			return try {
 			val md: MessageDigest = MessageDigest.getInstance("SHA1")
 			val publicKey: ByteArray = md.digest(c.encoded)
-				publicKey.byte2HexFormatted()
+			return publicKey.byte2HexFormatted()
-			} catch (e: NoSuchAlgorithmException) {
+		}.onFailure { error ->
-				e.printStackTraceDebug()
+			error.printStackTraceDebug()
-				null
+		}.getOrNull()
-			} catch (e: CertificateEncodingException) {
-				e.printStackTraceDebug()
-				null
-			}
-		}
 	}
 }

app/src/main/java/org/koitharu/kotatsu/settings/ContentSettingsFragment.kt

@@ -5,6 +5,7 @@ import android.os.Bundle
 import android.view.View
 import androidx.preference.ListPreference
 import androidx.preference.Preference
+import java.io.File
 import kotlinx.coroutines.launch
 import org.koin.android.ext.android.inject
 import org.koitharu.kotatsu.R
@@ -18,7 +19,6 @@ import org.koitharu.kotatsu.settings.utils.SliderPreference
 import org.koitharu.kotatsu.utils.ext.getStorageName
 import org.koitharu.kotatsu.utils.ext.setDefaultValueCompat
 import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
-import java.io.File
 
 class ContentSettingsFragment :
 	BasePreferenceFragment(R.string.content),
@@ -49,12 +49,12 @@ class ContentSettingsFragment :
 			).names()
 			setDefaultValueCompat(DoHProvider.NONE.name)
 		}
-		bindRemoteSourcesSummary()
 	}
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
 		findPreference<Preference>(AppSettings.KEY_LOCAL_STORAGE)?.bindStorageName()
+		bindRemoteSourcesSummary()
 		settings.subscribe(this)
 	}
 
@@ -108,9 +108,7 @@ class ContentSettingsFragment :
 	private fun bindRemoteSourcesSummary() {
 		findPreference<Preference>(AppSettings.KEY_REMOTE_SOURCES)?.run {
 			val total = settings.remoteMangaSources.size
-			summary = getString(
+			summary = getString(R.string.enabled_d_of_d, total - settings.hiddenSources.size, total)
-				R.string.enabled_d_of_d, total - settings.hiddenSources.size, total
-			)
 		}
 	}
 }

app/src/main/java/org/koitharu/kotatsu/settings/DomainValidator.kt

@@ -0,0 +1,20 @@
+package org.koitharu.kotatsu.settings
+
+import okhttp3.internal.toCanonicalHost
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.utils.EditTextValidator
+
+class DomainValidator : EditTextValidator() {
+
+	override fun validate(text: String): ValidationResult {
+		if (text.isBlank()) {
+			return ValidationResult.Success
+		}
+		val host = text.trim().toCanonicalHost()
+		return if (host == null) {
+			ValidationResult.Failed(context.getString(R.string.invalid_domain_message))
+		} else {
+			ValidationResult.Success
+		}
+	}
+}