Fix crash on page loading

Currently translated at 100.0% (323 of 323 strings)

Co-authored-by: lowak <lowak@pm.me>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/sv/
Translation: Kotatsu/Strings

.editorconfig

@@ -0,0 +1,20 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = tab
+insert_final_newline = false
+max_line_length = 120
+tab_width = 4
+# noinspection EditorConfigKeyCorrectness
+disabled_rules=no-wildcard-imports,no-unused-imports
+
+[{*.ant,*.fxml,*.jhm,*.jnlp,*.jrxml,*.rng,*.tld,*.wsdl,*.xml,*.xsd,*.xsl,*.xslt,*.xul}]
+ij_continuation_indent_size = 4
+
+[{*.kt,*.kts}]
+ij_kotlin_allow_trailing_comma_on_call_site = true
+ij_kotlin_allow_trailing_comma = true
+ij_kotlin_code_style_defaults = KOTLIN_OFFICIAL

.github/FUNDING.yml

@@ -1 +1 @@
-custom: ["https://money.yandex.ru/to/410012543938752"]
+custom: ["https://yoomoney.ru/to/410012543938752"]

.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

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+    - name: ⚠️ Source issue
+      url: https://github.com/KotatsuApp/kotatsu-parsers/issues/new
+      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/request_feature.yml

@@ -0,0 +1,24 @@
+name: ⭐ Feature request
+description: Suggest a new idea how to improve Kotatsu
+labels: [feature request]
+body:
+
+    - type: textarea
+      id: feature-description
+      attributes:
+          label: Describe your suggested feature
+          description: How can Kotatsu be improved?
+          placeholder: |
+              Example:
+                "It should work like this..."
+      validations:
+          required: true
+
+    - 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

.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

@@ -3,11 +3,18 @@
 /local.properties
 /.idea/caches
 /.idea/libraries
+/.idea/dictionaries
 /.idea/modules.xml
 /.idea/misc.xml
+/.idea/discord.xml
 /.idea/workspace.xml
 /.idea/navEditor.xml
 /.idea/assetWizardSettings.xml
+/.idea/kotlinScripting.xml
+/.idea/kotlinc.xml
+/.idea/deploymentTargetDropDown.xml
+/.idea/androidTestResultsUserPreferences.xml
+/.idea/render.experimental.xml
 .DS_Store
 /build
 /captures

.idea/codeStyles/Project.xml

@@ -23,6 +23,7 @@
       </option>
     </AndroidXmlCodeStyleSettings>
     <JetCodeStyleSettings>
+      <option name="ALLOW_TRAILING_COMMA" value="true" />
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
     <codeStyleSettings language="CMake">

.idea/compiler.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="11" />
+    <bytecodeTargetLevel target="17" />
   </component>
 </project>

.idea/deploymentTargetDropDown.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetDropDown">
-    <targetSelectedWithDropDown>
-      <Target>
-        <type value="QUICK_BOOT_TARGET" />
-        <deviceKey>
-          <Key>
-            <type value="VIRTUAL_DEVICE_PATH" />
-            <value value="$USER_HOME$/.android/avd/Pixel_API_S.avd" />
-          </Key>
-        </deviceKey>
-      </Target>
-    </targetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2021-02-19T19:02:37.198775Z" />
-  </component>
-</project>

.idea/dictionaries/admin.xml

@@ -1,16 +0,0 @@
-<component name="ProjectDictionaryState">
-  <dictionary name="admin">
-    <words>
-      <w>amoled</w>
-      <w>chucker</w>
-      <w>desu</w>
-      <w>failsafe</w>
-      <w>koin</w>
-      <w>kotatsu</w>
-      <w>manga</w>
-      <w>snackbar</w>
-      <w>upsert</w>
-      <w>webtoon</w>
-    </words>
-  </dictionary>
-</component>

.idea/gradle.xml

@@ -7,13 +7,13 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="Embedded JDK" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
       </GradleProjectSettings>
     </option>
   </component>

.idea/icon.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:export-ydpi="39.689999"
+   inkscape:export-xdpi="39.689999"
+   inkscape:export-filename="/home/admin/Documents/projects/graphics/k/icon4.png"
+   width="512mm"
+   height="512mm"
+   viewBox="0 0 512 512.00002"
+   version="1.1"
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+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
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+       style="fill:#ffffff"
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+       transform="matrix(0.78124721,0,0,0.78124721,107.12096,160.74809)" />
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+       transform="matrix(0.78124721,0,0,0.78124721,107.12096,160.74809)" />
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+       style="fill:#ffffff"
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+       transform="matrix(0.78124721,0,0,0.78124721,107.12096,160.74809)" />
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+       transform="matrix(0.78124721,0,0,0.78124721,107.12096,160.74809)" />
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+       transform="matrix(0.78124721,0,0,0.78124721,107.12096,160.74809)" />
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+       style="fill:#ffffff"
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+       transform="matrix(0.78124721,0,0,0.78124721,107.12096,160.74809)" />
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+       style="fill:#ffffff"
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+       transform="matrix(0.78124721,0,0,0.78124721,107.12096,160.74809)" />
+    <path
+       style="fill:#ef5350;fill-opacity:1;stroke:none;stroke-width:5.18208;stroke-linecap:round;stroke-linejoin:round"
+       d="m 344.3189,392.83707 c -4.60362,-2.75958 -5.36974,-9.69605 -1.45595,-13.18226 0.54459,-0.48508 5.34567,-3.07035 10.66909,-5.74503 7.5498,-3.79328 10.16725,-4.86303 11.89884,-4.86303 1.73503,0 4.42542,1.10391 12.3172,5.05396 11.72559,5.86898 12.60994,6.68326 12.60994,11.61118 0,3.40408 -0.99553,5.20819 -4.00363,7.25549 -3.08358,2.09867 -5.44113,1.68547 -13.60905,-2.38528 l -7.19926,-3.58796 -7.37198,3.59617 c -8.3911,4.09331 -10.26721,4.39753 -13.8552,2.24676 z"
+       id="path944" />
+    <path
+       style="fill:#ef5350;fill-opacity:1;stroke:none;stroke-width:5.18208;stroke-linecap:round;stroke-linejoin:round"
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+       id="path946" />
+    <path
+       style="fill:#ef5350;fill-opacity:1;stroke:none;stroke-width:5.18208;stroke-linecap:round;stroke-linejoin:round"
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+       id="path948" />
+  </g>
+</svg>

.idea/inspectionProfiles/Project_Default.xml

@@ -1,8 +1,13 @@
 <component name="InspectionProjectProfileManager">
   <profile version="1.0">
     <option name="myName" value="Project Default" />
-    <inspection_tool class="BooleanLiteralArgument" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
+    <inspection_tool class="BooleanLiteralArgument" enabled="false" level="WEAK WARNING" enabled_by_default="false" />
+    <inspection_tool class="Destructure" enabled="true" level="INFO" enabled_by_default="true" />
     <inspection_tool class="KeySetIterationMayUseEntrySet" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="KotlinFunctionArgumentsHelper" enabled="true" level="INFORMATION" enabled_by_default="true">
+      <option name="withoutDefaultValues" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ReplaceCollectionCountWithSize" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
     <inspection_tool class="TrailingComma" enabled="true" level="INFORMATION" enabled_by_default="true" />
     <inspection_tool class="ZeroLengthArrayInitialization" enabled="true" level="WARNING" enabled_by_default="true" />
   </profile>

.idea/jarRepositories.xml

@@ -31,5 +31,15 @@
       <option name="name" value="maven2" />
       <option name="url" value="https://dl.bintray.com/kotlin/kotlin-eap" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenRepo" />
+      <option name="name" value="MavenRepo" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven2" />
+      <option name="name" value="maven2" />
+      <option name="url" value="https://maven.pkg.github.com/nv95/kotatsu-parsers" />
+    </remote-repository>
   </component>
 </project>

.idea/kotlinc.xml

@@ -3,4 +3,7 @@
   <component name="Kotlin2JvmCompilerArguments">
     <option name="jvmTarget" value="1.8" />
   </component>
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="1.6.21" />
+  </component>
 </project>

.idea/ktlint.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KtlintProjectConfiguration">
+    <androidMode>true</androidMode>
+    <treatAsErrors>false</treatAsErrors>
+  </component>
+</project>

.idea/misc.xml

@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="DesignSurface">
-    <option name="filePathToZoomLevelMap">
-      <map>
-        <entry key="../../../../../../layout/custom_preview.xml" value="0.1" />
-        <entry key="../../../../../../opt/usr/android-sdk/platforms/android-30/data/res/drawable/list_divider_material.xml" value="0.28512820512820514" />
-        <entry key="../../../../../../opt/usr/android-sdk/platforms/android-30/data/res/layout/simple_dropdown_item_1line.xml" value="0.24739583333333334" />
-        <entry key="app/src/main/res/drawable/tab_indicator.xml" value="0.28512820512820514" />
-        <entry key="app/src/main/res/drawable/tabs_background.xml" value="0.28512820512820514" />
-        <entry key="app/src/main/res/layout-w600dp/fragment_details.xml" value="0.14583333333333334" />
-        <entry key="app/src/main/res/layout-w600dp/fragment_list.xml" value="0.14635416666666667" />
-        <entry key="app/src/main/res/layout/dialog_favorite_categories.xml" value="0.2601851851851852" />
-        <entry key="app/src/main/res/layout/dialog_list_mode.xml" value="0.2601851851851852" />
-        <entry key="app/src/main/res/layout/fragment_chapters.xml" value="0.24739583333333334" />
-        <entry key="app/src/main/res/layout/fragment_details.xml" value="0.26145833333333335" />
-        <entry key="app/src/main/res/layout/fragment_favourites.xml" value="0.26296296296296295" />
-        <entry key="app/src/main/res/layout/fragment_feed.xml" value="0.2601851851851852" />
-        <entry key="app/src/main/res/layout/fragment_list.xml" value="0.2601851851851852" />
-        <entry key="app/src/main/res/layout/item_branch.xml" value="0.24739583333333334" />
-        <entry key="app/src/main/res/layout/item_branch_dropdown.xml" value="0.25743589743589745" />
-        <entry key="app/src/main/res/layout/item_category_checkable.xml" value="0.2601851851851852" />
-        <entry key="app/src/main/res/layout/item_manga_grid.xml" value="0.26042632066728455" />
-        <entry key="app/src/main/res/layout/item_manga_list_details.xml" value="0.2601851851851852" />
-        <entry key="app/src/main/res/layout/item_page_thumb.xml" value="0.2601851851851852" />
-        <entry key="app/src/main/res/layout/item_recent.xml" value="0.2601851851851852" />
-        <entry key="app/src/main/res/layout/sheet_pages.xml" value="0.2601851851851852" />
-        <entry key="app/src/main/res/menu/popup_category.xml" value="0.2601851851851852" />
-      </map>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
-</project>

.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>

.travis.yml

@@ -1,11 +0,0 @@
-language: android
-dist: trusty
-android:
-  components:
-    - android-30
-    - build-tools-30.0.3
-    - platform-tools-30.0.5
-    - tools
-before_install:
-  - yes | sdkmanager "platforms;android-30"
-script: ./gradlew -Dorg.gradle.jvmargs=-Xmx1536m assembleDebug lintDebug

README.md

@@ -1,44 +1,57 @@
-# Kotatsu 
+# Kotatsu
 
 Kotatsu is a free and open source manga reader for Android.
 
-![Android 5.0](https://img.shields.io/badge/android-5.0+-brightgreen) ![Kotlin](https://img.shields.io/github/languages/top/nv95/Kotatsu) [![Build Status](https://travis-ci.org/nv95/Kotatsu.svg?branch=master)](https://travis-ci.org/nv95/Kotatsu) ![License](https://img.shields.io/github/license/nv95/Kotatsu) [![4pda](https://img.shields.io/badge/discuss-4pda-2982CC)](http://4pda.ru/forum/index.php?showtopic=697669)
+![Android 5.0](https://img.shields.io/badge/android-5.0+-brightgreen) ![Kotlin](https://img.shields.io/github/languages/top/KotatsuApp/Kotatsu) ![License](https://img.shields.io/github/license/KotatsuApp/Kotatsu) [![weblate](https://hosted.weblate.org/widgets/kotatsu/-/strings/svg-badge.svg)](https://hosted.weblate.org/engage/kotatsu/) [![4pda](https://img.shields.io/badge/discuss-4pda-2982CC)](http://4pda.ru/forum/index.php?showtopic=697669) [![Discord](https://img.shields.io/discord/898363402467045416?color=5865f2&label=discord)](https://discord.gg/NNJ5RgVBC5)
 
 ### Download
 
-Latest release: [get here](https://github.com/nv95/Kotatsu/releases/latest)
+[<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
+alt="Get it on F-Droid"
+height="80">](https://f-droid.org/packages/org.koitharu.kotatsu)
 
-Legacy build (Android 4.1+): [available here](https://github.com/nv95/Kotatsu/releases/tag/v0.4-legacy)
+Download APK directly from GitHub:
+
+- **[Latest release](https://github.com/KotatsuApp/Kotatsu/releases/latest)**
 
 ### Main Features
 
 * Online manga catalogues
-* Search manga by name and genre
+* Search manga by name and genres
-* Reading history
+* Reading history and bookmarks
 * Favourites organized by user-defined categories
 * Downloading manga and reading it offline. Third-party CBZ archives also supported
 * Tablet-optimized material design UI
 * Standard and Webtoon-optimized reader
 * Notifications about new chapters with updates feed
+* Shikimori integration (manga tracking)
+* Password/fingerprint protect access to the app
 
 ### Screenshots
 
-| ![Screenshot_20200226-210337](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/1.png) | ![](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/2.png) | ![Screenshot_20200226-210232](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/3.png) |
+| ![Screenshot_20200226-210337](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/1.png) | ![](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/2.png)                           | ![Screenshot_20200226-210232](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/3.png) |
-|---|---|---|
+|-----------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------|
-| ![Screenshot_20200226-210405](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/4.png)  | ![Screenshot_20200226-210151](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/5.png) | ![Screenshot_20200226-210223](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/6.png) |
+| ![Screenshot_20200226-210405](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/4.png) | ![Screenshot_20200226-210151](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/5.png) | ![Screenshot_20200226-210223](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/6.png) |
 
-| ![](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/tenInchScreenshots/1.png) | ![](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/tenInchScreenshots/2.png) |
+| ![](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/tenInchScreenshots/1.png) | ![](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/tenInchScreenshots/2.png) |
-|---|---|
+|-----------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------|
+
+### Localization
+
+[<img src="https://hosted.weblate.org/widgets/kotatsu/-/287x66-white.png" alt="Translation status">](https://hosted.weblate.org/engage/kotatsu/)
+
+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 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
+[![GNU GPLv3 Image](https://www.gnu.org/graphics/gplv3-127x51.png)](http://www.gnu.org/licenses/gpl-3.0.en.html)
-will. Specifically you can redistribute and/or modify it under the terms of the
-[GNU General Public License](https://www.gnu.org/licenses/gpl.html) as
-published by the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.  
 
-### Disclaimer
+You may copy, distribute and modify the software as long as you track changes/dates in source files. Any modifications
+to or software including (via compiler) GPL-licensed code must also be made available under the GPL along with build &
+install instructions.
 
-The developers of this application does not have any affiliation with the content providers available.
+### DMCA disclaimer
+
+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

@@ -6,25 +6,30 @@ plugins {
 }
 
 android {
-	compileSdkVersion 30
+	compileSdkVersion 32
-	buildToolsVersion '30.0.3'
+	buildToolsVersion '32.0.0'
+	namespace 'org.koitharu.kotatsu'
 
 	defaultConfig {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
-		targetSdkVersion 30
+		targetSdkVersion 32
-		versionCode 364
+		versionCode 430
-		versionName '1.0.1'
+		versionName '3.5'
+		generatedDensities = []
+		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
 		kapt {
 			arguments {
 				arg 'room.schemaLocation', "$projectDir/schemas".toString()
 			}
 		}
-	}
+
-	compileOptions {
+		// define this values in your local.properties file
-		sourceCompatibility JavaVersion.VERSION_1_8
+		buildConfigField 'String', 'SHIKIMORI_CLIENT_ID', "\"${localProperty('shikimori.clientId')}\""
-		targetCompatibility JavaVersion.VERSION_1_8
+		buildConfigField 'String', 'SHIKIMORI_CLIENT_SECRET', "\"${localProperty('shikimori.clientSecret')}\""
+		resValue "string", "acra_login", "${localProperty('acra.login')}"
+		resValue "string", "acra_password", "${localProperty('acra.password')}"
 	}
 	buildTypes {
 		debug {
@@ -40,67 +45,100 @@ android {
 	buildFeatures {
 		viewBinding true
 	}
-	lintOptions {
+	sourceSets {
-		disable 'MissingTranslation'
+		androidTest.assets.srcDirs += files("$projectDir/schemas".toString())
-		abortOnError false
 	}
-	testOptions {
+	compileOptions {
-		unitTests.includeAndroidResources = true
+		sourceCompatibility JavaVersion.VERSION_1_8
-		unitTests.returnDefaultValues = false
+		targetCompatibility JavaVersion.VERSION_1_8
 	}
-}
-tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
 	kotlinOptions {
 		jvmTarget = JavaVersion.VERSION_1_8.toString()
 		freeCompilerArgs += [
-				'-Xopt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
+			'-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
-				'-Xopt-in=org.koin.core.component.KoinApiExtension'
+			'-opt-in=kotlinx.coroutines.FlowPreview',
+			'-opt-in=kotlin.contracts.ExperimentalContracts',
+			'-opt-in=coil.annotation.ExperimentalCoilApi',
 		]
 	}
+	lint {
+		abortOnError false
+		disable 'MissingTranslation', 'PrivateResource', 'NotifyDataSetChanged'
+	}
+	testOptions {
+		unitTests.includeAndroidResources true
+		unitTests.returnDefaultValues false
+		kotlinOptions {
+			freeCompilerArgs += ['-opt-in=org.koitharu.kotatsu.parsers.InternalParsersApi']
+		}
+	}
+}
+afterEvaluate {
+	compileDebugKotlin {
+		kotlinOptions {
+			freeCompilerArgs += ['-opt-in=org.koitharu.kotatsu.parsers.InternalParsersApi']
+		}
+	}
 }
 dependencies {
-	implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
+	implementation('com.github.KotatsuApp:kotatsu-parsers:5cb953eb86') {
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.2'
+		exclude group: 'org.json', module: 'json'
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.2'
+	}
 
-	implementation 'androidx.core:core-ktx:1.5.0-rc01'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4'
-	implementation 'androidx.activity:activity-ktx:1.2.2'
+
-	implementation 'androidx.fragment:fragment-ktx:1.3.2'
+	implementation 'androidx.core:core-ktx:1.8.0'
-	implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
+	implementation 'androidx.activity:activity-ktx:1.5.1'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'
+	implementation 'androidx.fragment:fragment-ktx:1.5.3'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1'
-	implementation 'androidx.lifecycle:lifecycle-service:2.3.1'
+	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.1'
-	implementation 'androidx.lifecycle:lifecycle-process:2.3.1'
+	implementation 'androidx.lifecycle:lifecycle-service:2.5.1'
-	implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+	implementation 'androidx.lifecycle:lifecycle-process:2.5.1'
+	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-	implementation 'androidx.recyclerview:recyclerview:1.2.0-rc01'
+	implementation 'androidx.recyclerview:recyclerview:1.2.1'
-	implementation 'androidx.viewpager2:viewpager2:1.1.0-alpha01'
+	implementation 'androidx.viewpager2:viewpager2:1.1.0-beta01'
-	implementation 'androidx.preference:preference-ktx:1.1.1'
+	implementation 'androidx.preference:preference-ktx:1.2.0'
-	implementation 'androidx.work:work-runtime-ktx:2.5.0'
+	implementation 'androidx.work:work-runtime-ktx:2.7.1'
-	implementation 'com.google.android.material:material:1.3.0'
+	implementation 'androidx.biometric:biometric-ktx:1.2.0-alpha04'
+	implementation 'com.google.android.material:material:1.7.0-rc01'
 	//noinspection LifecycleAnnotationProcessorWithJava8
-	kapt 'androidx.lifecycle:lifecycle-compiler:2.3.1'
+	kapt 'androidx.lifecycle:lifecycle-compiler:2.5.1'
 
-	implementation 'androidx.room:room-runtime:2.2.6'
+	implementation 'androidx.room:room-runtime:2.4.3'
-	implementation 'androidx.room:room-ktx:2.2.6'
+	implementation 'androidx.room:room-ktx:2.4.3'
-	kapt 'androidx.room:room-compiler:2.2.6'
+	kapt 'androidx.room:room-compiler:2.4.3'
 
-	implementation 'com.squareup.okhttp3:okhttp:4.9.0'
+	implementation 'com.squareup.okhttp3:okhttp:4.10.0'
-	implementation 'com.squareup.okio:okio:2.10.0'
+	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.9.3'
-	implementation 'org.jsoup:jsoup:1.13.1'
+	implementation 'com.squareup.okio:okio:3.2.0'
 
-	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.0'
+	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
-	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.0'
+	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
 
-	implementation 'org.koin:koin-android:2.2.2'
+	implementation 'io.insert-koin:koin-android:3.2.0'
-	implementation 'org.koin:koin-androidx-viewmodel:2.2.2'
+	implementation 'io.coil-kt:coil-base:2.2.1'
-	implementation 'io.coil-kt:coil-base:1.1.1'
 	implementation 'com.davemorrissey.labs:subsampling-scale-image-view-androidx:3.10.0'
-	implementation 'com.tomclaw.cache:cache:1.0'
+	implementation 'com.github.solkin:disk-lru-cache:1.4'
 
-	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.6'
+	implementation 'ch.acra:acra-http:5.9.6'
+	implementation 'ch.acra:acra-dialog:5.9.6'
+
+	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.9.1'
 
 	testImplementation 'junit:junit:4.13.2'
-	testImplementation 'org.json:json:20201115'
+	testImplementation 'org.json:json:20220320'
-	testImplementation 'org.koin:koin-test:2.2.2'
+	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.4'
+
+	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:1.6.4'
+	androidTestImplementation 'io.insert-koin:koin-test:3.2.0'
+	androidTestImplementation 'io.insert-koin:koin-test-junit4:3.2.0'
+
+	androidTestImplementation 'androidx.room:room-testing:2.4.3'
+	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.14.0'
 }

app/proguard-rules.pro

@@ -1,3 +1,4 @@
+-optimizationpasses 8
 -dontobfuscate
 -assumenosideeffects class kotlin.jvm.internal.Intrinsics {
 	public static void checkExpressionValueIsNotNull(...);
@@ -5,9 +6,10 @@
 	public static void checkReturnedValueIsNotNull(...);
 	public static void checkFieldIsNotNull(...);
 	public static void checkParameterIsNotNull(...);
+	public static void checkNotNullParameter(...);
 }
+-keep public class ** extends org.koitharu.kotatsu.base.ui.BaseFragment
 -keep class org.koitharu.kotatsu.core.db.entity.* { *; }
--keepclassmembers public class * extends org.koitharu.kotatsu.core.parser.MangaRepository {
+-dontwarn okhttp3.internal.platform.ConscryptPlatform
-	public <init>(...);
+-keep class org.koitharu.kotatsu.core.exceptions.* { *; }
-}
+-keep class org.koitharu.kotatsu.settings.NotificationSettingsLegacyFragment
--dontwarn okhttp3.internal.platform.ConscryptPlatform

app/src/androidTest/assets/categories/simple.json

@@ -0,0 +1,8 @@
+{
+	"id": 4,
+	"title": "Read later",
+	"sortKey": 1,
+	"order": "NEWEST",
+	"createdAt": 1335906000000,
+	"isTrackingEnabled": true
+}

app/src/androidTest/assets/manga/bad_ids.json

@@ -0,0 +1,163 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [
+		{
+			"id": 1552943969433540704,
+			"name": "1 - 1",
+			"number": 1,
+			"url": "/stranstviia_emanon/vol1/1",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433540705,
+			"name": "1 - 2",
+			"number": 2,
+			"url": "/stranstviia_emanon/vol1/2",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433540706,
+			"name": "1 - 3",
+			"number": 3,
+			"url": "/stranstviia_emanon/vol1/3",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433540707,
+			"name": "1 - 4",
+			"number": 4,
+			"url": "/stranstviia_emanon/vol1/4",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433540708,
+			"name": "1 - 5",
+			"number": 5,
+			"url": "/stranstviia_emanon/vol1/5",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541665,
+			"name": "2 - 1",
+			"number": 6,
+			"url": "/stranstviia_emanon/vol2/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1415570400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541666,
+			"name": "2 - 2",
+			"number": 7,
+			"url": "/stranstviia_emanon/vol2/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1419976800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541667,
+			"name": "2 - 3",
+			"number": 8,
+			"url": "/stranstviia_emanon/vol2/3",
+			"scanlator": "Sup!",
+			"uploadDate": 1427922000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541668,
+			"name": "2 - 4",
+			"number": 9,
+			"url": "/stranstviia_emanon/vol2/4",
+			"scanlator": "Sup!",
+			"uploadDate": 1436907600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541669,
+			"name": "2 - 5",
+			"number": 10,
+			"url": "/stranstviia_emanon/vol2/5",
+			"scanlator": "Sup!",
+			"uploadDate": 1446674400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541670,
+			"name": "2 - 6",
+			"number": 11,
+			"url": "/stranstviia_emanon/vol2/6",
+			"scanlator": "Sup!",
+			"uploadDate": 1451512800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433542626,
+			"name": "3 - 1",
+			"number": 12,
+			"url": "/stranstviia_emanon/vol3/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433542627,
+			"name": "3 - 2",
+			"number": 13,
+			"url": "/stranstviia_emanon/vol3/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433542628,
+			"name": "3 - 3",
+			"number": 14,
+			"url": "/stranstviia_emanon/vol3/3",
+			"scanlator": "",
+			"uploadDate": 1465851600000,
+			"source": "READMANGA_RU"
+		}
+	],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/assets/manga/empty.json

@@ -0,0 +1,36 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/assets/manga/first_chapters.json

@@ -0,0 +1,136 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [
+		{
+			"id": 3552943969433540704,
+			"name": "1 - 1",
+			"number": 1,
+			"url": "/stranstviia_emanon/vol1/1",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540705,
+			"name": "1 - 2",
+			"number": 2,
+			"url": "/stranstviia_emanon/vol1/2",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540706,
+			"name": "1 - 3",
+			"number": 3,
+			"url": "/stranstviia_emanon/vol1/3",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540707,
+			"name": "1 - 4",
+			"number": 4,
+			"url": "/stranstviia_emanon/vol1/4",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540708,
+			"name": "1 - 5",
+			"number": 5,
+			"url": "/stranstviia_emanon/vol1/5",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541665,
+			"name": "2 - 1",
+			"number": 6,
+			"url": "/stranstviia_emanon/vol2/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1415570400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541666,
+			"name": "2 - 2",
+			"number": 7,
+			"url": "/stranstviia_emanon/vol2/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1419976800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541667,
+			"name": "2 - 3",
+			"number": 8,
+			"url": "/stranstviia_emanon/vol2/3",
+			"scanlator": "Sup!",
+			"uploadDate": 1427922000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541668,
+			"name": "2 - 4",
+			"number": 9,
+			"url": "/stranstviia_emanon/vol2/4",
+			"scanlator": "Sup!",
+			"uploadDate": 1436907600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541669,
+			"name": "2 - 5",
+			"number": 10,
+			"url": "/stranstviia_emanon/vol2/5",
+			"scanlator": "Sup!",
+			"uploadDate": 1446674400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541670,
+			"name": "2 - 6",
+			"number": 11,
+			"url": "/stranstviia_emanon/vol2/6",
+			"scanlator": "Sup!",
+			"uploadDate": 1451512800000,
+			"source": "READMANGA_RU"
+		}
+	],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/assets/manga/full.json

@@ -0,0 +1,163 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [
+		{
+			"id": 3552943969433540704,
+			"name": "1 - 1",
+			"number": 1,
+			"url": "/stranstviia_emanon/vol1/1",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540705,
+			"name": "1 - 2",
+			"number": 2,
+			"url": "/stranstviia_emanon/vol1/2",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540706,
+			"name": "1 - 3",
+			"number": 3,
+			"url": "/stranstviia_emanon/vol1/3",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540707,
+			"name": "1 - 4",
+			"number": 4,
+			"url": "/stranstviia_emanon/vol1/4",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540708,
+			"name": "1 - 5",
+			"number": 5,
+			"url": "/stranstviia_emanon/vol1/5",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541665,
+			"name": "2 - 1",
+			"number": 6,
+			"url": "/stranstviia_emanon/vol2/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1415570400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541666,
+			"name": "2 - 2",
+			"number": 7,
+			"url": "/stranstviia_emanon/vol2/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1419976800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541667,
+			"name": "2 - 3",
+			"number": 8,
+			"url": "/stranstviia_emanon/vol2/3",
+			"scanlator": "Sup!",
+			"uploadDate": 1427922000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541668,
+			"name": "2 - 4",
+			"number": 9,
+			"url": "/stranstviia_emanon/vol2/4",
+			"scanlator": "Sup!",
+			"uploadDate": 1436907600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541669,
+			"name": "2 - 5",
+			"number": 10,
+			"url": "/stranstviia_emanon/vol2/5",
+			"scanlator": "Sup!",
+			"uploadDate": 1446674400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541670,
+			"name": "2 - 6",
+			"number": 11,
+			"url": "/stranstviia_emanon/vol2/6",
+			"scanlator": "Sup!",
+			"uploadDate": 1451512800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542626,
+			"name": "3 - 1",
+			"number": 12,
+			"url": "/stranstviia_emanon/vol3/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542627,
+			"name": "3 - 2",
+			"number": 13,
+			"url": "/stranstviia_emanon/vol3/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542628,
+			"name": "3 - 3",
+			"number": 14,
+			"url": "/stranstviia_emanon/vol3/3",
+			"scanlator": "",
+			"uploadDate": 1465851600000,
+			"source": "READMANGA_RU"
+		}
+	],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/assets/manga/header.json

@@ -0,0 +1,35 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": null,
+	"source": "READMANGA_RU"
+}

app/src/androidTest/assets/manga/without_middle_chapter.json

@@ -0,0 +1,154 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [
+		{
+			"id": 3552943969433540704,
+			"name": "1 - 1",
+			"number": 1,
+			"url": "/stranstviia_emanon/vol1/1",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540705,
+			"name": "1 - 2",
+			"number": 2,
+			"url": "/stranstviia_emanon/vol1/2",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540706,
+			"name": "1 - 3",
+			"number": 3,
+			"url": "/stranstviia_emanon/vol1/3",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540707,
+			"name": "1 - 4",
+			"number": 4,
+			"url": "/stranstviia_emanon/vol1/4",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540708,
+			"name": "1 - 5",
+			"number": 5,
+			"url": "/stranstviia_emanon/vol1/5",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541666,
+			"name": "2 - 2",
+			"number": 7,
+			"url": "/stranstviia_emanon/vol2/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1419976800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541667,
+			"name": "2 - 3",
+			"number": 8,
+			"url": "/stranstviia_emanon/vol2/3",
+			"scanlator": "Sup!",
+			"uploadDate": 1427922000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541668,
+			"name": "2 - 4",
+			"number": 9,
+			"url": "/stranstviia_emanon/vol2/4",
+			"scanlator": "Sup!",
+			"uploadDate": 1436907600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541669,
+			"name": "2 - 5",
+			"number": 10,
+			"url": "/stranstviia_emanon/vol2/5",
+			"scanlator": "Sup!",
+			"uploadDate": 1446674400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541670,
+			"name": "2 - 6",
+			"number": 11,
+			"url": "/stranstviia_emanon/vol2/6",
+			"scanlator": "Sup!",
+			"uploadDate": 1451512800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542626,
+			"name": "3 - 1",
+			"number": 12,
+			"url": "/stranstviia_emanon/vol3/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542627,
+			"name": "3 - 2",
+			"number": 13,
+			"url": "/stranstviia_emanon/vol3/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542628,
+			"name": "3 - 3",
+			"number": 14,
+			"url": "/stranstviia_emanon/vol3/3",
+			"scanlator": "",
+			"uploadDate": 1465851600000,
+			"source": "READMANGA_RU"
+		}
+	],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/java/org/koitharu/kotatsu/Instrumentation.kt

@@ -0,0 +1,9 @@
+package org.koitharu.kotatsu
+
+import android.app.Instrumentation
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
+
+suspend fun Instrumentation.awaitForIdle() = suspendCoroutine<Unit> { cont ->
+	waitForIdle { cont.resume(Unit) }
+}

app/src/androidTest/java/org/koitharu/kotatsu/SampleData.kt

@@ -0,0 +1,54 @@
+package org.koitharu.kotatsu
+
+import androidx.test.platform.app.InstrumentationRegistry
+import com.squareup.moshi.*
+import com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory
+import okio.buffer
+import okio.source
+import org.koitharu.kotatsu.core.model.FavouriteCategory
+import org.koitharu.kotatsu.parsers.model.Manga
+import java.util.*
+import kotlin.reflect.KClass
+
+object SampleData {
+
+	private val moshi = Moshi.Builder()
+		.add(DateAdapter())
+		.add(KotlinJsonAdapterFactory())
+		.build()
+
+	val manga: Manga = loadAsset("manga/header.json", Manga::class)
+
+	val mangaDetails: Manga = loadAsset("manga/full.json", Manga::class)
+
+	val tag = mangaDetails.tags.elementAt(2)
+
+	val chapter = checkNotNull(mangaDetails.chapters)[2]
+
+	val favouriteCategory: FavouriteCategory = loadAsset("categories/simple.json", FavouriteCategory::class)
+
+	fun <T : Any> loadAsset(name: String, cls: KClass<T>): T {
+		val assets = InstrumentationRegistry.getInstrumentation().context.assets
+		return assets.open(name).use {
+			moshi.adapter(cls.java).fromJson(it.source().buffer())
+		} ?: throw RuntimeException("Cannot read asset from json \"$name\"")
+	}
+
+	private class DateAdapter : JsonAdapter<Date>() {
+
+		@FromJson
+		override fun fromJson(reader: JsonReader): Date? {
+			val ms = reader.nextLong()
+			return if (ms == 0L) {
+				null
+			} else {
+				Date(ms)
+			}
+		}
+
+		@ToJson
+		override fun toJson(writer: JsonWriter, value: Date?) {
+			writer.value(value?.time ?: 0L)
+		}
+	}
+}

app/src/androidTest/java/org/koitharu/kotatsu/core/db/MangaDatabaseTest.kt

@@ -0,0 +1,57 @@
+package org.koitharu.kotatsu.core.db
+
+import androidx.room.testing.MigrationTestHelper
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import kotlin.test.assertEquals
+
+@RunWith(AndroidJUnit4::class)
+class MangaDatabaseTest {
+
+	@get:Rule
+	val helper: MigrationTestHelper = MigrationTestHelper(
+		InstrumentationRegistry.getInstrumentation(),
+		MangaDatabase::class.java,
+	)
+
+	private val migrations = databaseMigrations
+
+	@Test
+	fun versions() {
+		assertEquals(1, migrations.first().startVersion)
+		repeat(migrations.size) { i ->
+			assertEquals(i + 1, migrations[i].startVersion)
+			assertEquals(i + 2, migrations[i].endVersion)
+		}
+		assertEquals(DATABASE_VERSION, migrations.last().endVersion)
+	}
+
+	@Test
+	fun migrateAll() {
+		helper.createDatabase(TEST_DB, 1).close()
+		for (migration in migrations) {
+			helper.runMigrationsAndValidate(
+				TEST_DB,
+				migration.endVersion,
+				true,
+				migration
+			).close()
+		}
+	}
+
+	@Test
+	fun prePopulate() {
+		val resources = InstrumentationRegistry.getInstrumentation().targetContext.resources
+		helper.createDatabase(TEST_DB, DATABASE_VERSION).use {
+			DatabasePrePopulateCallback(resources).onCreate(it)
+		}
+	}
+
+	private companion object {
+
+		const val TEST_DB = "test-db"
+	}
+}

app/src/androidTest/java/org/koitharu/kotatsu/core/os/ShortcutsUpdaterTest.kt

@@ -0,0 +1,65 @@
+package org.koitharu.kotatsu.core.os
+
+import android.content.pm.ShortcutInfo
+import android.content.pm.ShortcutManager
+import android.os.Build
+import androidx.core.content.getSystemService
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.koin.test.KoinTest
+import org.koin.test.inject
+import org.koitharu.kotatsu.SampleData
+import org.koitharu.kotatsu.awaitForIdle
+import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.history.domain.HistoryRepository
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
+
+@RunWith(AndroidJUnit4::class)
+class ShortcutsUpdaterTest : KoinTest {
+
+	private val historyRepository by inject<HistoryRepository>()
+	private val shortcutsUpdater by inject<ShortcutsUpdater>()
+	private val database by inject<MangaDatabase>()
+
+	@Before
+	fun setUp() {
+		database.clearAllTables()
+	}
+
+	@Test
+	fun testUpdateShortcuts() = runTest {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1) {
+			return@runTest
+		}
+		awaitUpdate()
+		assertTrue(getShortcuts().isEmpty())
+		historyRepository.addOrUpdate(
+			manga = SampleData.manga,
+			chapterId = SampleData.chapter.id,
+			page = 4,
+			scroll = 2,
+			percent = 0.3f
+		)
+		awaitUpdate()
+
+		val shortcuts = getShortcuts()
+		assertEquals(1, shortcuts.size)
+	}
+
+	private fun getShortcuts(): List<ShortcutInfo> {
+		val context = InstrumentationRegistry.getInstrumentation().targetContext
+		val manager = checkNotNull(context.getSystemService<ShortcutManager>())
+		return manager.dynamicShortcuts.filterNot { it.id == "com.squareup.leakcanary.dynamic_shortcut" }
+	}
+
+	private suspend fun awaitUpdate() {
+		val instrumentation = InstrumentationRegistry.getInstrumentation()
+		instrumentation.awaitForIdle()
+		shortcutsUpdater.await()
+	}
+}

app/src/androidTest/java/org/koitharu/kotatsu/settings/backup/AppBackupAgentTest.kt

@@ -0,0 +1,67 @@
+package org.koitharu.kotatsu.settings.backup
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.koin.test.KoinTest
+import org.koin.test.get
+import org.koin.test.inject
+import org.koitharu.kotatsu.SampleData
+import org.koitharu.kotatsu.core.backup.BackupRepository
+import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.core.db.entity.toMangaTags
+import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
+import org.koitharu.kotatsu.history.domain.HistoryRepository
+import kotlin.test.*
+
+@RunWith(AndroidJUnit4::class)
+class AppBackupAgentTest : KoinTest {
+
+	private val historyRepository by inject<HistoryRepository>()
+	private val favouritesRepository by inject<FavouritesRepository>()
+	private val backupRepository by inject<BackupRepository>()
+	private val database by inject<MangaDatabase>()
+
+	@Before
+	fun setUp() {
+		database.clearAllTables()
+	}
+
+	@Test
+	fun testBackupRestore() = runTest {
+		val category = favouritesRepository.createCategory(
+			title = SampleData.favouriteCategory.title,
+			sortOrder = SampleData.favouriteCategory.order,
+			isTrackerEnabled = SampleData.favouriteCategory.isTrackingEnabled,
+		)
+		favouritesRepository.addToCategory(categoryId = category.id, mangas = listOf(SampleData.manga))
+		historyRepository.addOrUpdate(
+			manga = SampleData.mangaDetails,
+			chapterId = SampleData.mangaDetails.chapters!![2].id,
+			page = 3,
+			scroll = 40,
+			percent = 0.2f,
+		)
+		val history = checkNotNull(historyRepository.getOne(SampleData.manga))
+
+		val agent = AppBackupAgent()
+		val backup = agent.createBackupFile(get(), backupRepository)
+
+		database.clearAllTables()
+		assertTrue(favouritesRepository.getAllManga().isEmpty())
+		assertNull(historyRepository.getLastOrNull())
+
+		backup.inputStream().use {
+			agent.restoreBackupFile(it.fd, backup.length(), backupRepository)
+		}
+
+		assertEquals(category, favouritesRepository.getCategory(category.id))
+		assertEquals(history, historyRepository.getOne(SampleData.manga))
+		assertContentEquals(listOf(SampleData.manga), favouritesRepository.getManga(category.id))
+
+		val allTags = database.tagsDao.findTags(SampleData.tag.source.name).toMangaTags()
+		assertContains(allTags, SampleData.tag)
+	}
+}

app/src/androidTest/java/org/koitharu/kotatsu/tracker/domain/TrackerTest.kt

@@ -0,0 +1,183 @@
+package org.koitharu.kotatsu.tracker.domain
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.koin.test.KoinTest
+import org.koin.test.inject
+import org.koitharu.kotatsu.SampleData
+import org.koitharu.kotatsu.base.domain.MangaDataRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+import kotlin.test.assertEquals
+import kotlin.test.assertFalse
+import kotlin.test.assertTrue
+
+@RunWith(AndroidJUnit4::class)
+class TrackerTest : KoinTest {
+
+	private val repository by inject<TrackingRepository>()
+	private val dataRepository by inject<MangaDataRepository>()
+	private val tracker by inject<Tracker>()
+
+	@Test
+	fun noUpdates() = runTest {
+		val manga = loadManga("full.json")
+		tracker.deleteTrack(manga.id)
+
+		tracker.checkUpdates(manga, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(manga.id))
+		tracker.checkUpdates(manga, commit = true).apply {
+			assertTrue(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(manga.id))
+	}
+
+	@Test
+	fun hasUpdates() = runTest {
+		val mangaFirst = loadManga("first_chapters.json")
+		val mangaFull = loadManga("full.json")
+		tracker.deleteTrack(mangaFirst.id)
+
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assertEquals(3, newChapters.size)
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFirst.id))
+	}
+
+	@Test
+	fun badIds() = runTest {
+		val mangaFirst = loadManga("first_chapters.json")
+		val mangaBad = loadManga("bad_ids.json")
+		tracker.deleteTrack(mangaFirst.id)
+
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaBad, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+	}
+
+	@Test
+	fun badIds2() = runTest {
+		val mangaFirst = loadManga("first_chapters.json")
+		val mangaBad = loadManga("bad_ids.json")
+		val mangaFull = loadManga("full.json")
+		tracker.deleteTrack(mangaFirst.id)
+
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assertEquals(3, newChapters.size)
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaBad, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+	}
+
+	@Test
+	fun fullReset() = runTest {
+		val mangaFull = loadManga("full.json")
+		val mangaFirst = loadManga("first_chapters.json")
+		val mangaEmpty = loadManga("empty.json")
+		tracker.deleteTrack(mangaFull.id)
+
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaEmpty, commit = true).apply {
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assertEquals(3, newChapters.size)
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaEmpty, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+	}
+
+	@Test
+	fun syncWithHistory() = runTest {
+		val mangaFull = loadManga("full.json")
+		val mangaFirst = loadManga("first_chapters.json")
+		tracker.deleteTrack(mangaFull.id)
+
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assertEquals(3, newChapters.size)
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFirst.id))
+
+		var chapter = requireNotNull(mangaFull.chapters).run { get(lastIndex - 1) }
+		repository.syncWithHistory(mangaFull, chapter.id)
+
+		assertEquals(1, repository.getNewChaptersCount(mangaFirst.id))
+
+		chapter = requireNotNull(mangaFull.chapters).run { get(lastIndex) }
+		repository.syncWithHistory(mangaFull, chapter.id)
+
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+	}
+
+	private suspend fun loadManga(name: String): Manga {
+		val manga = SampleData.loadAsset("manga/$name", Manga::class)
+		dataRepository.storeManga(manga)
+		return manga
+	}
+}

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

@@ -0,0 +1,40 @@
+package org.koitharu.kotatsu.core.parser
+
+import java.util.*
+import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.parsers.MangaParser
+import org.koitharu.kotatsu.parsers.config.ConfigKey
+import org.koitharu.kotatsu.parsers.model.*
+
+/**
+ * This parser is just for parser development, it should not be used in releases
+ */
+class DummyParser(override val context: MangaLoaderContext) : MangaParser(MangaSource.DUMMY) {
+
+	override val configKeyDomain: ConfigKey.Domain
+		get() = ConfigKey.Domain("", null)
+
+	override val sortOrders: Set<SortOrder>
+		get() = EnumSet.allOf(SortOrder::class.java)
+
+	override suspend fun getDetails(manga: Manga): Manga {
+		TODO("Not yet implemented")
+	}
+
+	override suspend fun getList(
+		offset: Int,
+		query: String?,
+		tags: Set<MangaTag>?,
+		sortOrder: SortOrder,
+	): List<Manga> {
+		TODO("Not yet implemented")
+	}
+
+	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
+		TODO("Not yet implemented")
+	}
+
+	override suspend fun getTags(): Set<MangaTag> {
+		TODO("Not yet implemented")
+	}
+}

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

@@ -0,0 +1,14 @@
+package org.koitharu.kotatsu.core.parser
+
+import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.parsers.MangaParser
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.newParser
+
+fun MangaParser(source: MangaSource, loaderContext: MangaLoaderContext): MangaParser {
+	return if (source == MangaSource.DUMMY) {
+		DummyParser(loaderContext)
+	} else {
+		source.newParser(loaderContext)
+	}
+}

app/src/debug/java/org/koitharu/kotatsu/utils/ext/DebugExt.kt

@@ -0,0 +1,3 @@
+package org.koitharu.kotatsu.utils.ext
+
+fun Throwable.printStackTraceDebug() = printStackTrace()

app/src/debug/res/menu/opt_settings.xml

@@ -4,9 +4,8 @@
 	xmlns:app="http://schemas.android.com/apk/res-auto">
 
 	<item
-		android:id="@+id/action_search_internal"
+		android:id="@id/action_leaks"
-		android:orderInCategory="26"
+		android:title="@string/leak_canary_display_activity_label"
-		android:title="@string/search"
 		app:showAsAction="never" />
 
 </menu>

app/src/debug/res/values/bools.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+	<bool name="leak_canary_add_launcher_icon" tools:node="replace">false</bool>
+</resources>

app/src/main/AndroidManifest.xml

@@ -1,43 +1,52 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest
 	xmlns:android="http://schemas.android.com/apk/res/android"
-	xmlns:tools="http://schemas.android.com/tools"
+	xmlns:tools="http://schemas.android.com/tools">
-	package="org.koitharu.kotatsu">
 
 	<uses-permission android:name="android.permission.INTERNET" />
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 	<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 	<uses-permission android:name="android.permission.WAKE_LOCK" />
 	<uses-permission android:name="android.permission.VIBRATE" />
-	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+	<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
 
 	<application
 		android:name="org.koitharu.kotatsu.KotatsuApp"
 		android:allowBackup="true"
-		android:fullBackupContent="@xml/backup_descriptor"
+		android:backupAgent="org.koitharu.kotatsu.settings.backup.AppBackupAgent"
+		android:dataExtractionRules="@xml/backup_rules"
+		android:fullBackupContent="@xml/backup_content"
+		android:fullBackupOnly="true"
 		android:icon="@mipmap/ic_launcher"
 		android:label="@string/app_name"
+		android:networkSecurityConfig="@xml/network_security_config"
 		android:roundIcon="@mipmap/ic_launcher_round"
 		android:supportsRtl="true"
-		android:theme="@style/AppTheme"
+		android:theme="@style/Theme.Kotatsu"
-		android:usesCleartextTraffic="true"
 		tools:ignore="UnusedAttribute">
-		<activity android:name="org.koitharu.kotatsu.main.ui.MainActivity">
+
+		<activity
+			android:name="org.koitharu.kotatsu.main.ui.MainActivity"
+			android:exported="true">
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN" />
 				<category android:name="android.intent.category.LAUNCHER" />
 			</intent-filter>
 			<meta-data
 				android:name="android.app.default_searchable"
-				android:value=".ui.search.SearchActivity" />
+				android:value="org.koitharu.kotatsu.ui.search.SearchActivity" />
 		</activity>
-		<activity android:name="org.koitharu.kotatsu.details.ui.DetailsActivity">
+		<activity
+			android:name="org.koitharu.kotatsu.details.ui.DetailsActivity"
+			android:exported="true">
 			<intent-filter>
 				<action android:name="${applicationId}.action.VIEW_MANGA" />
 			</intent-filter>
 		</activity>
-		<activity android:name="org.koitharu.kotatsu.reader.ui.ReaderActivity">
+		<activity
+			android:name="org.koitharu.kotatsu.reader.ui.ReaderActivity"
+			android:exported="true">
 			<intent-filter>
 				<action android:name="${applicationId}.action.READ_MANGA" />
 			</intent-filter>
@@ -46,43 +55,65 @@
 			android:name="org.koitharu.kotatsu.search.ui.SearchActivity"
 			android:label="@string/search" />
 		<activity
-			android:name="org.koitharu.kotatsu.settings.SettingsActivity"
+			android:name="org.koitharu.kotatsu.search.ui.MangaListActivity"
-			android:label="@string/settings" />
+			android:label="@string/search_manga" />
 		<activity
-			android:name="org.koitharu.kotatsu.reader.ui.SimpleSettingsActivity"
+			android:name="org.koitharu.kotatsu.settings.SettingsActivity"
+			android:exported="true"
 			android:label="@string/settings">
 			<intent-filter>
-				<action android:name="android.intent.action.MANAGE_NETWORK_USAGE" />
+				<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" />
 		<activity
-			android:name="org.koitharu.kotatsu.core.ui.CrashActivity"
+			android:name="org.koitharu.kotatsu.browser.BrowserActivity"
-			android:label="@string/error_occurred"
+			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
-			android:theme="@android:style/Theme.DeviceDefault"
+			android:windowSoftInputMode="adjustResize" />
-			android:windowSoftInputMode="stateAlwaysHidden" />
+		<activity
+			android:name="org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity"
+			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
+			android:windowSoftInputMode="adjustResize" />
 		<activity
 			android:name="org.koitharu.kotatsu.favourites.ui.categories.CategoriesActivity"
 			android:label="@string/favourites_categories"
 			android:windowSoftInputMode="stateAlwaysHidden" />
 		<activity
 			android:name="org.koitharu.kotatsu.widget.shelf.ShelfConfigActivity"
-			android:label="@string/manga_shelf">
+			android:exported="true"
+			android:label="@string/manga_shelf"
+			android:theme="@style/Theme.Kotatsu.DialogWhenLarge">
 			<intent-filter>
 				<action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />
 			</intent-filter>
 		</activity>
 		<activity
-			android:name="org.koitharu.kotatsu.search.ui.global.GlobalSearchActivity"
+			android:name="org.koitharu.kotatsu.search.ui.multi.MultiSearchActivity"
 			android:label="@string/search" />
 		<activity
 			android:name="org.koitharu.kotatsu.main.ui.protect.ProtectActivity"
+			android:noHistory="true"
 			android:windowSoftInputMode="adjustResize" />
+		<activity
+			android:name="org.koitharu.kotatsu.settings.protect.ProtectSetupActivity"
+			android:windowSoftInputMode="adjustResize" />
+		<activity
+			android:name="org.koitharu.kotatsu.download.ui.DownloadsActivity"
+			android:label="@string/downloads"
+			android:launchMode="singleTop"
+			android:theme="@style/Theme.Kotatsu.DialogWhenLarge" />
+		<activity android:name="org.koitharu.kotatsu.image.ui.ImageActivity" />
+		<activity
+			android:name="org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEditActivity"
+			android:theme="@style/Theme.Kotatsu.DialogWhenLarge" />
 
 		<service
-			android:name="org.koitharu.kotatsu.download.DownloadService"
+			android:name="org.koitharu.kotatsu.download.ui.service.DownloadService"
+			android:stopWithTask="false"
 			android:foregroundServiceType="dataSync" />
+		<service android:name="org.koitharu.kotatsu.local.ui.LocalChaptersRemoveService" />
 		<service
 			android:name="org.koitharu.kotatsu.widget.shelf.ShelfWidgetService"
 			android:permission="android.permission.BIND_REMOTEVIEWS" />
@@ -127,9 +158,11 @@
 				android:resource="@xml/widget_recent" />
 		</receiver>
 
-		<meta-data android:name="android.webkit.WebView.EnableSafeBrowsing"
+		<meta-data
+			android:name="android.webkit.WebView.EnableSafeBrowsing"
 			android:value="false" />
-		<meta-data android:name="android.webkit.WebView.MetricsOptOut"
+		<meta-data
+			android:name="android.webkit.WebView.MetricsOptOut"
 			android:value="true" />
 
 	</application>

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

@@ -1,34 +1,43 @@
 package org.koitharu.kotatsu
 
 import android.app.Application
+import android.content.Context
 import android.os.StrictMode
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.fragment.app.strictmode.FragmentStrictMode
+import androidx.room.InvalidationTracker
+import org.acra.ReportField
+import org.acra.config.dialog
+import org.acra.config.httpSender
+import org.acra.data.StringFormat
+import org.acra.ktx.initAcra
+import org.acra.sender.HttpSender
 import org.koin.android.ext.android.get
+import org.koin.android.ext.android.getKoin
 import org.koin.android.ext.koin.androidContext
 import org.koin.core.context.startKoin
-import org.koitharu.kotatsu.base.domain.MangaLoaderContext
+import org.koitharu.kotatsu.bookmarks.bookmarksModule
+import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.db.databaseModule
 import org.koitharu.kotatsu.core.github.githubModule
 import org.koitharu.kotatsu.core.network.networkModule
-import org.koitharu.kotatsu.core.parser.parserModule
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.core.ui.AppCrashHandler
 import org.koitharu.kotatsu.core.ui.uiModule
 import org.koitharu.kotatsu.details.detailsModule
-import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.favourites.favouritesModule
-import org.koitharu.kotatsu.history.domain.HistoryRepository
 import org.koitharu.kotatsu.history.historyModule
 import org.koitharu.kotatsu.local.data.PagesCache
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
 import org.koitharu.kotatsu.local.localModule
 import org.koitharu.kotatsu.main.mainModule
+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
 import org.koitharu.kotatsu.tracker.trackerModule
-import org.koitharu.kotatsu.widget.WidgetUpdater
 import org.koitharu.kotatsu.widget.appWidgetModule
 
 class KotatsuApp : Application() {
@@ -36,28 +45,12 @@ class KotatsuApp : Application() {
 	override fun onCreate() {
 		super.onCreate()
 		if (BuildConfig.DEBUG) {
-			StrictMode.setThreadPolicy(
+			enableStrictMode()
-				StrictMode.ThreadPolicy.Builder()
-					.detectAll()
-					.penaltyLog()
-					.build()
-			)
-			StrictMode.setVmPolicy(
-				StrictMode.VmPolicy.Builder()
-					.detectAll()
-					.setClassInstanceLimit(LocalMangaRepository::class.java, 1)
-					.setClassInstanceLimit(PagesCache::class.java, 1)
-					.setClassInstanceLimit(MangaLoaderContext::class.java, 1)
-					.penaltyLog()
-					.build()
-			)
 		}
 		initKoin()
-		Thread.setDefaultUncaughtExceptionHandler(AppCrashHandler(applicationContext))
 		AppCompatDelegate.setDefaultNightMode(get<AppSettings>().theme)
-		val widgetUpdater = WidgetUpdater(applicationContext)
+		setupActivityLifecycleCallbacks()
-		FavouritesRepository.subscribe(widgetUpdater)
+		setupDatabaseObservers()
-		HistoryRepository.subscribe(widgetUpdater)
 	}
 
 	private fun initKoin() {
@@ -68,7 +61,6 @@ class KotatsuApp : Application() {
 				databaseModule,
 				githubModule,
 				uiModule,
-				parserModule,
 				mainModule,
 				searchModule,
 				localModule,
@@ -79,8 +71,87 @@ class KotatsuApp : Application() {
 				trackerModule,
 				settingsModule,
 				readerModule,
-				appWidgetModule
+				appWidgetModule,
+				suggestionsModule,
+				shikimoriModule,
+				bookmarksModule,
 			)
 		}
 	}
+
+	override fun attachBaseContext(base: Context?) {
+		super.attachBaseContext(base)
+		initAcra {
+			buildConfigClass = BuildConfig::class.java
+			reportFormat = StringFormat.JSON
+			excludeMatchingSharedPreferencesKeys = listOf(
+				"sources_\\w+",
+			)
+			httpSender {
+				uri = getString(R.string.url_error_report)
+				basicAuthLogin = getString(R.string.acra_login)
+				basicAuthPassword = getString(R.string.acra_password)
+				httpMethod = HttpSender.Method.POST
+			}
+			reportContent = listOf(
+				ReportField.PACKAGE_NAME,
+				ReportField.APP_VERSION_CODE,
+				ReportField.APP_VERSION_NAME,
+				ReportField.ANDROID_VERSION,
+				ReportField.PHONE_MODEL,
+				ReportField.STACK_TRACE,
+				ReportField.CRASH_CONFIGURATION,
+				ReportField.SHARED_PREFERENCES,
+			)
+			dialog {
+				text = getString(R.string.crash_text)
+				title = getString(R.string.error_occurred)
+				positiveButtonText = getString(R.string.send)
+				resIcon = R.drawable.ic_alert_outline
+				resTheme = android.R.style.Theme_Material_Light_Dialog_Alert
+			}
+		}
+	}
+
+	private fun setupDatabaseObservers() {
+		val observers = getKoin().getAll<InvalidationTracker.Observer>()
+		val database = get<MangaDatabase>()
+		val tracker = database.invalidationTracker
+		observers.forEach {
+			tracker.addObserver(it)
+		}
+	}
+
+	private fun setupActivityLifecycleCallbacks() {
+		val callbacks = getKoin().getAll<ActivityLifecycleCallbacks>()
+		callbacks.forEach {
+			registerActivityLifecycleCallbacks(it)
+		}
+	}
+
+	private fun enableStrictMode() {
+		StrictMode.setThreadPolicy(
+			StrictMode.ThreadPolicy.Builder()
+				.detectAll()
+				.penaltyLog()
+				.build(),
+		)
+		StrictMode.setVmPolicy(
+			StrictMode.VmPolicy.Builder()
+				.detectAll()
+				.setClassInstanceLimit(LocalMangaRepository::class.java, 1)
+				.setClassInstanceLimit(PagesCache::class.java, 1)
+				.setClassInstanceLimit(MangaLoaderContext::class.java, 1)
+				.penaltyLog()
+				.build(),
+		)
+		FragmentStrictMode.defaultPolicy = FragmentStrictMode.Policy.Builder()
+			.penaltyDeath()
+			.detectFragmentReuse()
+			.detectWrongFragmentContainer()
+			.detectRetainInstanceUsage()
+			.detectSetUserVisibleHint()
+			.detectFragmentTagUsage()
+			.build()
+	}
 }

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaDataRepository.kt

@@ -2,19 +2,19 @@ package org.koitharu.kotatsu.base.domain
 
 import androidx.room.withTransaction
 import org.koitharu.kotatsu.core.db.MangaDatabase
-import org.koitharu.kotatsu.core.db.entity.MangaEntity
+import org.koitharu.kotatsu.core.db.entity.*
-import org.koitharu.kotatsu.core.db.entity.MangaPrefsEntity
-import org.koitharu.kotatsu.core.db.entity.TagEntity
-import org.koitharu.kotatsu.core.model.Manga
 import org.koitharu.kotatsu.core.prefs.ReaderMode
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.MangaTag
 
 class MangaDataRepository(private val db: MangaDatabase) {
 
 	suspend fun savePreferences(manga: Manga, mode: ReaderMode) {
-		val tags = manga.tags.map(TagEntity.Companion::fromMangaTag)
+		val tags = manga.tags.toEntities()
 		db.withTransaction {
 			db.tagsDao.upsert(tags)
-			db.mangaDao.upsert(MangaEntity.from(manga), tags)
+			db.mangaDao.upsert(manga.toEntity(), tags)
 			db.preferencesDao.upsert(
 				MangaPrefsEntity(
 					mangaId = manga.id,
@@ -34,15 +34,19 @@ class MangaDataRepository(private val db: MangaDatabase) {
 
 	suspend fun resolveIntent(intent: MangaIntent): Manga? = when {
 		intent.manga != null -> intent.manga
-		intent.mangaId != MangaIntent.ID_NONE -> db.mangaDao.find(intent.mangaId)?.toManga()
+		intent.mangaId != 0L -> findMangaById(intent.mangaId)
 		else -> null // TODO resolve uri
 	}
 
 	suspend fun storeManga(manga: Manga) {
-		val tags = manga.tags.map(TagEntity.Companion::fromMangaTag)
+		val tags = manga.tags.toEntities()
 		db.withTransaction {
 			db.tagsDao.upsert(tags)
-			db.mangaDao.upsert(MangaEntity.from(manga), tags)
+			db.mangaDao.upsert(manga.toEntity(), tags)
 		}
 	}
+
+	suspend fun findTags(source: MangaSource): Set<MangaTag> {
+		return db.tagsDao.findTags(source.name).toMangaTags()
+	}
 }

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaIntent.kt

@@ -3,31 +3,32 @@ package org.koitharu.kotatsu.base.domain
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
-import org.koitharu.kotatsu.core.model.Manga
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
+import org.koitharu.kotatsu.parsers.model.Manga
 
-data class MangaIntent(
+class MangaIntent private constructor(
 	val manga: Manga?,
 	val mangaId: Long,
-	val uri: Uri?
+	val uri: Uri?,
 ) {
 
+	constructor(intent: Intent?) : this(
+		manga = intent?.getParcelableExtra<ParcelableManga>(KEY_MANGA)?.manga,
+		mangaId = intent?.getLongExtra(KEY_ID, ID_NONE) ?: ID_NONE,
+		uri = intent?.data
+	)
+
+	constructor(args: Bundle?) : this(
+		manga = args?.getParcelable<ParcelableManga>(KEY_MANGA)?.manga,
+		mangaId = args?.getLong(KEY_ID, ID_NONE) ?: ID_NONE,
+		uri = null
+	)
+
 	companion object {
 
-		fun from(intent: Intent?) = MangaIntent(
-			manga = intent?.getParcelableExtra(KEY_MANGA),
-			mangaId = intent?.getLongExtra(KEY_ID, ID_NONE) ?: ID_NONE,
-			uri = intent?.data
-		)
-
-		fun from(args: Bundle?) = MangaIntent(
-			manga = args?.getParcelable(KEY_MANGA),
-			mangaId = args?.getLong(KEY_ID, ID_NONE) ?: ID_NONE,
-			uri = null
-		)
-
 		const val ID_NONE = 0L
 
 		const val KEY_MANGA = "manga"
 		const val KEY_ID = "id"
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaLoaderContext.kt

@@ -1,71 +0,0 @@
-package org.koitharu.kotatsu.base.domain
-
-import okhttp3.*
-import org.koin.core.component.KoinComponent
-import org.koin.core.component.get
-import org.koitharu.kotatsu.core.model.MangaSource
-import org.koitharu.kotatsu.core.prefs.SourceSettings
-import org.koitharu.kotatsu.utils.ext.await
-
-open class MangaLoaderContext(
-	private val okHttp: OkHttpClient,
-	private val cookieJar: CookieJar
-) : KoinComponent {
-
-	suspend fun httpGet(url: String): Response {
-		val request = Request.Builder()
-			.get()
-			.url(url)
-		return okHttp.newCall(request.build()).await()
-	}
-
-	suspend fun httpPost(
-		url: String,
-		form: Map<String, String>
-	): Response {
-		val body = FormBody.Builder()
-		form.forEach { (k, v) ->
-			body.addEncoded(k, v)
-		}
-		val request = Request.Builder()
-			.post(body.build())
-			.url(url)
-		return okHttp.newCall(request.build()).await()
-	}
-
-	suspend fun httpPost(
-		url: String,
-		payload: String
-	): Response {
-		val body = FormBody.Builder()
-		payload.split('&').forEach {
-			val pos = it.indexOf('=')
-			if (pos != -1) {
-				val k = it.substring(0, pos)
-				val v = it.substring(pos + 1)
-				body.addEncoded(k, v)
-			}
-		}
-		val request = Request.Builder()
-			.post(body.build())
-			.url(url)
-		return okHttp.newCall(request.build()).await()
-	}
-
-	open fun getSettings(source: MangaSource) = SourceSettings(get(), source)
-
-	fun insertCookies(domain: String, vararg cookies: String) {
-		val url = HttpUrl.Builder()
-			.scheme(SCHEME_HTTP)
-			.host(domain)
-			.build()
-		cookieJar.saveFromResponse(url, cookies.mapNotNull {
-			Cookie.parse(url, it)
-		})
-	}
-
-	private companion object {
-
-		private const val SCHEME_HTTP = "http"
-	}
-}

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaProviderFactory.kt

@@ -1,24 +0,0 @@
-package org.koitharu.kotatsu.base.domain
-
-import org.koitharu.kotatsu.core.model.MangaSource
-import org.koitharu.kotatsu.core.prefs.AppSettings
-
-object MangaProviderFactory {
-
-	fun getSources(settings: AppSettings, includeHidden: Boolean): List<MangaSource> {
-		val list = MangaSource.values().toList() - MangaSource.LOCAL
-		val order = settings.sourcesOrder
-		val hidden = settings.hiddenSources
-		val sorted = list.sortedBy { x ->
-			val e = order.indexOf(x.ordinal)
-			if (e == -1) order.size + x.ordinal else e
-		}
-		return if (includeHidden) {
-			sorted
-		} else {
-			sorted.filterNot { x ->
-				x.name in hidden
-			}
-		}
-	}
-}

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaUtils.kt

@@ -3,65 +3,71 @@ package org.koitharu.kotatsu.base.domain
 import android.graphics.BitmapFactory
 import android.net.Uri
 import android.util.Size
-import androidx.annotation.WorkerThread
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runInterruptible
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.get
-import org.koitharu.kotatsu.BuildConfig
-import org.koitharu.kotatsu.core.model.MangaPage
 import org.koitharu.kotatsu.core.network.CommonHeaders
-import org.koitharu.kotatsu.utils.CacheUtils
+import org.koitharu.kotatsu.core.parser.MangaRepository
-import org.koitharu.kotatsu.utils.ext.await
+import org.koitharu.kotatsu.parsers.model.MangaPage
-import org.koitharu.kotatsu.utils.ext.medianOrNull
+import org.koitharu.kotatsu.parsers.util.await
+import java.io.File
 import java.io.InputStream
 import java.util.zip.ZipFile
+import kotlin.math.roundToInt
 
 object MangaUtils : KoinComponent {
 
+	private const val MIN_WEBTOON_RATIO = 2
+
 	/**
 	 * Automatic determine type of manga by page size
 	 * @return ReaderMode.WEBTOON if page is wide
 	 */
-	@WorkerThread
+	suspend fun determineMangaIsWebtoon(pages: List<MangaPage>): Boolean {
-	@Suppress("BlockingMethodInNonBlockingContext")
+		val pageIndex = (pages.size * 0.3).roundToInt()
-	suspend fun determineMangaIsWebtoon(pages: List<MangaPage>): Boolean? {
+		val page = requireNotNull(pages.getOrNull(pageIndex)) { "No pages" }
-		try {
+		val url = MangaRepository(page.source).getPageUrl(page)
-			val page = pages.medianOrNull() ?: return null
+		val uri = Uri.parse(url)
-			val url = page.source.repository.getPageUrl(page)
+		val size = if (uri.scheme == "cbz") {
-			val uri = Uri.parse(url)
+			runInterruptible(Dispatchers.IO) {
-			val size = if (uri.scheme == "cbz") {
 				val zip = ZipFile(uri.schemeSpecificPart)
 				val entry = zip.getEntry(uri.fragment)
 				zip.getInputStream(entry).use {
 					getBitmapSize(it)
 				}
-			} else {
+			}
-				val client = get<OkHttpClient>()
+		} else {
-				val request = Request.Builder()
+			val request = Request.Builder()
-					.url(url)
+				.url(url)
-					.get()
+				.get()
-					.header(CommonHeaders.REFERER, page.referer)
+				.header(CommonHeaders.REFERER, page.referer)
-					.cacheControl(CacheUtils.CONTROL_DISABLED)
+				.cacheControl(CommonHeaders.CACHE_CONTROL_DISABLED)
-					.build()
+				.build()
-				client.newCall(request).await().use {
+			get<OkHttpClient>().newCall(request).await().use {
+				runInterruptible(Dispatchers.IO) {
 					getBitmapSize(it.body?.byteStream())
 				}
 			}
-			return size.width * 2 < size.height
-		} catch (e: Exception) {
-			if (BuildConfig.DEBUG) {
-				e.printStackTrace()
-			}
-			return null
 		}
+		return size.width * MIN_WEBTOON_RATIO < size.height
+	}
+
+	suspend fun getImageMimeType(file: File): String? = runInterruptible(Dispatchers.IO) {
+		val options = BitmapFactory.Options().apply {
+			inJustDecodeBounds = true
+		}
+		BitmapFactory.decodeFile(file.path, options)?.recycle()
+		options.outMimeType
 	}
 
 	private fun getBitmapSize(input: InputStream?): Size {
 		val options = BitmapFactory.Options().apply {
 			inJustDecodeBounds = true
 		}
-		BitmapFactory.decodeStream(input, null, options)
+		BitmapFactory.decodeStream(input, null, options)?.recycle()
 		val imageHeight: Int = options.outHeight
 		val imageWidth: Int = options.outWidth
 		check(imageHeight > 0 && imageWidth > 0)

app/src/main/java/org/koitharu/kotatsu/base/domain/ReversibleHandle.kt

@@ -0,0 +1,29 @@
+package org.koitharu.kotatsu.base.domain
+
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.NonCancellable
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
+import org.koitharu.kotatsu.utils.ext.processLifecycleScope
+import org.koitharu.kotatsu.utils.ext.runCatchingCancellable
+
+fun interface ReversibleHandle {
+
+	suspend fun reverse()
+}
+
+fun ReversibleHandle.reverseAsync() = processLifecycleScope.launch(Dispatchers.Default) {
+	runCatchingCancellable {
+		withContext(NonCancellable) {
+			reverse()
+		}
+	}.onFailure {
+		it.printStackTraceDebug()
+	}
+}
+
+operator fun ReversibleHandle.plus(other: ReversibleHandle) = ReversibleHandle {
+	this.reverse()
+	other.reverse()
+}

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

@@ -5,7 +5,6 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.annotation.CallSuper
-import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.DialogFragment
 import androidx.viewbinding.ViewBinding
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
@@ -18,8 +17,7 @@ abstract class AlertDialogFragment<B : ViewBinding> : DialogFragment() {
 		get() = checkNotNull(viewBinding)
 
 	final override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-		val inflater = activity?.layoutInflater ?: LayoutInflater.from(requireContext())
+		val binding = onInflateView(layoutInflater, null)
-		val binding = onInflateView(inflater, null)
 		viewBinding = binding
 		return MaterialAlertDialogBuilder(requireContext(), theme)
 			.setView(binding.root)
@@ -39,7 +37,7 @@ abstract class AlertDialogFragment<B : ViewBinding> : DialogFragment() {
 		super.onDestroyView()
 	}
 
-	open fun onBuildDialog(builder: AlertDialog.Builder) = Unit
+	open fun onBuildDialog(builder: MaterialAlertDialogBuilder) = Unit
 
 	protected fun bindingOrNull(): B? = viewBinding
 

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

@@ -1,43 +1,59 @@
 package org.koitharu.kotatsu.base.ui
 
+import android.content.res.Configuration
 import android.os.Build
 import android.os.Bundle
 import android.view.KeyEvent
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
+import androidx.annotation.CallSuper
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.ActionBarContextView
 import androidx.appcompat.widget.Toolbar
 import androidx.core.app.ActivityCompat
-import androidx.core.content.ContextCompat
+import androidx.core.view.ViewCompat
-import androidx.core.graphics.Insets
+import androidx.core.view.WindowCompat
-import androidx.core.view.*
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.updateLayoutParams
 import androidx.viewbinding.ViewBinding
 import org.koin.android.ext.android.get
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.util.ActionModeDelegate
+import org.koitharu.kotatsu.base.ui.util.WindowInsetsDelegate
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.utils.ext.getThemeColor
 
-abstract class BaseActivity<B : ViewBinding> : AppCompatActivity(), OnApplyWindowInsetsListener {
+abstract class BaseActivity<B : ViewBinding> :
+	AppCompatActivity(),
+	WindowInsetsDelegate.WindowInsetsListener {
 
 	protected lateinit var binding: B
 		private set
 
+	@Suppress("LeakingThis")
+	protected val exceptionResolver = ExceptionResolver(this)
 
-	protected val exceptionResolver by lazy(LazyThreadSafetyMode.NONE) {
+	@Suppress("LeakingThis")
-		ExceptionResolver(this, supportFragmentManager)
+	protected val insetsDelegate = WindowInsetsDelegate(this)
-	}
+
+	val actionModeDelegate = ActionModeDelegate()
 
 	override fun onCreate(savedInstanceState: Bundle?) {
-		if (get<AppSettings>().isAmoledTheme) {
+		val settings = get<AppSettings>()
-			setTheme(R.style.AppTheme_Amoled)
+		val isAmoled = settings.isAmoledTheme
+		val isDynamic = settings.isDynamicTheme
+		// TODO support DialogWhenLarge theme
+		when {
+			isAmoled && isDynamic -> setTheme(R.style.Theme_Kotatsu_Monet_Amoled)
+			isAmoled -> setTheme(R.style.Theme_Kotatsu_Amoled)
+			isDynamic -> setTheme(R.style.Theme_Kotatsu_Monet)
 		}
 		super.onCreate(savedInstanceState)
 		WindowCompat.setDecorFitsSystemWindows(window, false)
+		insetsDelegate.handleImeInsets = true
 	}
 
 	@Deprecated("Use ViewBinding", level = DeprecationLevel.ERROR)
@@ -55,13 +71,9 @@ abstract class BaseActivity<B : ViewBinding> : AppCompatActivity(), OnApplyWindo
 	protected fun setContentView(binding: B) {
 		this.binding = binding
 		super.setContentView(binding.root)
-		(binding.root.findViewById<View>(R.id.toolbar) as? Toolbar)?.let(this::setSupportActionBar)
+		val toolbar = (binding.root.findViewById<View>(R.id.toolbar) as? Toolbar)
-		ViewCompat.setOnApplyWindowInsetsListener(binding.root, this)
+		toolbar?.let(this::setSupportActionBar)
-	}
+		insetsDelegate.onViewCreated(binding.root)
-
-	override fun onApplyWindowInsets(v: View, insets: WindowInsetsCompat): WindowInsetsCompat {
-		onWindowInsetsChanged(insets.getInsets(WindowInsetsCompat.Type.systemBars()))
-		return insets
 	}
 
 	override fun onOptionsItemSelected(item: MenuItem) = if (item.itemId == android.R.id.home) {
@@ -77,26 +89,32 @@ abstract class BaseActivity<B : ViewBinding> : AppCompatActivity(), OnApplyWindo
 		return super.onKeyDown(keyCode, event)
 	}
 
-	protected abstract fun onWindowInsetsChanged(insets: Insets)
-
 	private fun setupToolbar() {
 		(findViewById<View>(R.id.toolbar) as? Toolbar)?.let(this::setSupportActionBar)
 	}
 
+	protected fun isDarkAmoledTheme(): Boolean {
+		val uiMode = resources.configuration.uiMode
+		val isNight = uiMode and Configuration.UI_MODE_NIGHT_MASK == Configuration.UI_MODE_NIGHT_YES
+		return isNight && get<AppSettings>().isAmoledTheme
+	}
+
+	@CallSuper
 	override fun onSupportActionModeStarted(mode: ActionMode) {
 		super.onSupportActionModeStarted(mode)
+		actionModeDelegate.onSupportActionModeStarted(mode)
 		val insets = ViewCompat.getRootWindowInsets(binding.root)
 			?.getInsets(WindowInsetsCompat.Type.systemBars()) ?: return
 		val view = findViewById<ActionBarContextView?>(androidx.appcompat.R.id.action_mode_bar)
 		view?.updateLayoutParams<ViewGroup.MarginLayoutParams> {
 			topMargin = insets.top
 		}
-		window?.statusBarColor = ContextCompat.getColor(this, R.color.grey_dark)
 	}
 
+	@CallSuper
 	override fun onSupportActionModeFinished(mode: ActionMode) {
 		super.onSupportActionModeFinished(mode)
-		window?.statusBarColor = getThemeColor(android.R.attr.statusBarColor)
+		actionModeDelegate.onSupportActionModeFinished(mode)
 	}
 
 	override fun onBackPressed() {

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

@@ -2,22 +2,31 @@ package org.koitharu.kotatsu.base.ui
 
 import android.app.Dialog
 import android.os.Bundle
+import android.util.DisplayMetrics
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.appcompat.app.AppCompatDialog
+import android.view.ViewGroup.LayoutParams
+import androidx.core.view.updateLayoutParams
 import androidx.viewbinding.ViewBinding
+import com.google.android.material.bottomsheet.BottomSheetBehavior
+import com.google.android.material.bottomsheet.BottomSheetDialog
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.dialog.AppBottomSheetDialog
+import org.koitharu.kotatsu.utils.ext.displayCompat
+import com.google.android.material.R as materialR
 
-abstract class BaseBottomSheet<B : ViewBinding> :
+abstract class BaseBottomSheet<B : ViewBinding> : BottomSheetDialogFragment() {
-	BottomSheetDialogFragment() {
 
 	private var viewBinding: B? = null
 
 	protected val binding: B
 		get() = checkNotNull(viewBinding)
 
+	protected val behavior: BottomSheetBehavior<*>?
+		get() = (dialog as? BottomSheetDialog)?.behavior
+
 	final override fun onCreateView(
 		inflater: LayoutInflater,
 		container: ViewGroup?,
@@ -25,6 +34,20 @@ abstract class BaseBottomSheet<B : ViewBinding> :
 	): View {
 		val binding = onInflateView(inflater, container)
 		viewBinding = binding
+
+		// Enforce max width for tablets
+		val width = resources.getDimensionPixelSize(R.dimen.bottom_sheet_width)
+		if (width > 0) {
+			behavior?.maxWidth = width
+		}
+
+		// Set peek height to 50% display height
+		requireContext().displayCompat?.let {
+			val metrics = DisplayMetrics()
+			it.getRealMetrics(metrics)
+			behavior?.peekHeight = (metrics.heightPixels * 0.4).toInt()
+		}
+
 		return binding.root
 	}
 
@@ -34,10 +57,30 @@ abstract class BaseBottomSheet<B : ViewBinding> :
 	}
 
 	override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-		return if (resources.getBoolean(R.bool.is_tablet)) {
+		return AppBottomSheetDialog(requireContext(), theme)
-			AppCompatDialog(context, theme)
+	}
-		} else super.onCreateDialog(savedInstanceState)
+
+	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) {
+		val b = behavior ?: return
+		if (isExpanded) {
+			b.state = BottomSheetBehavior.STATE_EXPANDED
+		}
+		b.isFitToContents = !isExpanded
+		val rootView = dialog?.findViewById<View>(materialR.id.design_bottom_sheet)
+		rootView?.updateLayoutParams {
+			height = if (isExpanded) LayoutParams.MATCH_PARENT else LayoutParams.WRAP_CONTENT
+		}
+		b.isDraggable = !isLocked
+	}
 }

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

@@ -1,28 +1,32 @@
 package org.koitharu.kotatsu.base.ui
 
-import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.core.graphics.Insets
-import androidx.core.view.OnApplyWindowInsetsListener
-import androidx.core.view.ViewCompat
-import androidx.core.view.WindowInsetsCompat
 import androidx.fragment.app.Fragment
 import androidx.viewbinding.ViewBinding
+import org.koitharu.kotatsu.base.ui.util.ActionModeDelegate
+import org.koitharu.kotatsu.base.ui.util.WindowInsetsDelegate
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 
-abstract class BaseFragment<B : ViewBinding> : Fragment(), OnApplyWindowInsetsListener {
+abstract class BaseFragment<B : ViewBinding> :
+	Fragment(),
+	WindowInsetsDelegate.WindowInsetsListener {
 
 	private var viewBinding: B? = null
 
 	protected val binding: B
 		get() = checkNotNull(viewBinding)
 
-	protected val exceptionResolver by lazy(LazyThreadSafetyMode.NONE) {
+	@Suppress("LeakingThis")
-		ExceptionResolver(viewLifecycleOwner, childFragmentManager)
+	protected val exceptionResolver = ExceptionResolver(this)
-	}
+
+	@Suppress("LeakingThis")
+	protected val insetsDelegate = WindowInsetsDelegate(this)
+
+	protected val actionModeDelegate: ActionModeDelegate
+		get() = (requireActivity() as BaseActivity<*>).actionModeDelegate
 
 	override fun onCreateView(
 		inflater: LayoutInflater,
@@ -36,31 +40,16 @@ abstract class BaseFragment<B : ViewBinding> : Fragment(), OnApplyWindowInsetsLi
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		ViewCompat.setOnApplyWindowInsetsListener(view, this)
+		insetsDelegate.onViewCreated(view)
 	}
 
 	override fun onDestroyView() {
 		viewBinding = null
+		insetsDelegate.onDestroyView()
 		super.onDestroyView()
 	}
 
-	open fun getTitle(): CharSequence? = null
-
-	override fun onAttach(context: Context) {
-		super.onAttach(context)
-		getTitle()?.let {
-			activity?.title = it
-		}
-	}
-
-	override fun onApplyWindowInsets(v: View?, insets: WindowInsetsCompat): WindowInsetsCompat {
-		onWindowInsetsChanged(insets.getInsets(WindowInsetsCompat.Type.systemBars()))
-		return insets
-	}
-
 	protected fun bindingOrNull() = viewBinding
 
 	protected abstract fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): B
-
+}
-	protected abstract fun onWindowInsetsChanged(insets: Insets)
-}

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

@@ -7,8 +7,21 @@ import android.view.View
 import android.view.WindowManager
 import androidx.viewbinding.ViewBinding
 
+@Suppress("DEPRECATION")
+private const val SYSTEM_UI_FLAGS_SHOWN = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
+	View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
+	View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
 
-abstract class BaseFullscreenActivity<B : ViewBinding> : BaseActivity<B>(),
+@Suppress("DEPRECATION")
+private const val SYSTEM_UI_FLAGS_HIDDEN = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
+	View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
+	View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or
+	View.SYSTEM_UI_FLAG_HIDE_NAVIGATION or
+	View.SYSTEM_UI_FLAG_FULLSCREEN or
+	View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+
+abstract class BaseFullscreenActivity<B : ViewBinding> :
+	BaseActivity<B>(),
 	View.OnSystemUiVisibilityChangeListener {
 
 	override fun onCreate(savedInstanceState: Bundle?) {
@@ -25,33 +38,22 @@ abstract class BaseFullscreenActivity<B : ViewBinding> : BaseActivity<B>(),
 		showSystemUI()
 	}
 
+	@Suppress("DEPRECATION", "DeprecatedCallableAddReplaceWith")
+	@Deprecated("Deprecated in Java")
 	final override fun onSystemUiVisibilityChange(visibility: Int) {
 		onSystemUiVisibilityChanged(visibility and View.SYSTEM_UI_FLAG_FULLSCREEN == 0)
 	}
 
 	// TODO WindowInsetsControllerCompat works incorrect
+	@Suppress("DEPRECATION")
 	protected fun hideSystemUI() {
 		window.decorView.systemUiVisibility = SYSTEM_UI_FLAGS_HIDDEN
 	}
 
+	@Suppress("DEPRECATION")
 	protected fun showSystemUI() {
 		window.decorView.systemUiVisibility = SYSTEM_UI_FLAGS_SHOWN
 	}
 
 	protected open fun onSystemUiVisibilityChanged(isVisible: Boolean) = Unit
-
-	@Suppress("DEPRECATION")
-	private companion object {
-
-		const val SYSTEM_UI_FLAGS_SHOWN = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
-				View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
-				View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-
-		const val SYSTEM_UI_FLAGS_HIDDEN = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
-				View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
-				View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or
-				View.SYSTEM_UI_FLAG_HIDE_NAVIGATION or
-				View.SYSTEM_UI_FLAG_FULLSCREEN or
-				View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
-	}
 }

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

@@ -2,38 +2,59 @@ package org.koitharu.kotatsu.base.ui
 
 import android.os.Bundle
 import android.view.View
+import androidx.annotation.CallSuper
 import androidx.annotation.StringRes
-import androidx.core.view.OnApplyWindowInsetsListener
+import androidx.core.graphics.Insets
-import androidx.core.view.ViewCompat
-import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.updatePadding
 import androidx.preference.PreferenceFragmentCompat
+import androidx.recyclerview.widget.RecyclerView
 import org.koin.android.ext.android.inject
+import org.koitharu.kotatsu.base.ui.util.RecyclerViewOwner
+import org.koitharu.kotatsu.base.ui.util.WindowInsetsDelegate
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.settings.SettingsHeadersFragment
 
 abstract class BasePreferenceFragment(@StringRes private val titleId: Int) :
-	PreferenceFragmentCompat(), OnApplyWindowInsetsListener {
+	PreferenceFragmentCompat(),
+	WindowInsetsDelegate.WindowInsetsListener,
+	RecyclerViewOwner {
 
-	protected val settings by inject<AppSettings>()
+	protected val settings by inject<AppSettings>(mode = LazyThreadSafetyMode.NONE)
+
+	@Suppress("LeakingThis")
+	protected val insetsDelegate = WindowInsetsDelegate(this)
+
+	override val recyclerView: RecyclerView
+		get() = listView
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
 		listView.clipToPadding = false
-		ViewCompat.setOnApplyWindowInsetsListener(view, this)
+		insetsDelegate.onViewCreated(view)
+	}
+
+	override fun onDestroyView() {
+		insetsDelegate.onDestroyView()
+		super.onDestroyView()
 	}
 
 	override fun onResume() {
 		super.onResume()
-		activity?.setTitle(titleId)
+		if (titleId != 0) {
+			setTitle(getString(titleId))
+		}
 	}
 
-	override fun onApplyWindowInsets(v: View?, insets: WindowInsetsCompat): WindowInsetsCompat {
+	@CallSuper
-		val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+	override fun onWindowInsetsChanged(insets: Insets) {
 		listView.updatePadding(
-			left = systemBars.left,
+			bottom = insets.bottom
-			right = systemBars.right,
-			bottom = systemBars.bottom
 		)
-		return insets
+	}
+
+	@Suppress("UsePropertyAccessSyntax")
+	protected fun setTitle(title: CharSequence) {
+		(parentFragment as? SettingsHeadersFragment)?.setTitle(title)
+			?: activity?.setTitle(title)
 	}
 }

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

@@ -1,18 +1,25 @@
 package org.koitharu.kotatsu.base.ui
 
-import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.LiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import kotlinx.coroutines.*
-import org.koitharu.kotatsu.BuildConfig
-import org.koitharu.kotatsu.utils.SingleLiveEvent
 import kotlin.coroutines.CoroutineContext
 import kotlin.coroutines.EmptyCoroutineContext
+import kotlinx.coroutines.*
+import org.koitharu.kotatsu.base.ui.util.CountedBooleanLiveData
+import org.koitharu.kotatsu.utils.SingleLiveEvent
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 
 abstract class BaseViewModel : ViewModel() {
 
-	val onError = SingleLiveEvent<Throwable>()
+	protected val loadingCounter = CountedBooleanLiveData()
-	val isLoading = MutableLiveData(false)
+	protected val errorEvent = SingleLiveEvent<Throwable>()
+
+	val onError: LiveData<Throwable>
+		get() = errorEvent
+
+	val isLoading: LiveData<Boolean>
+		get() = loadingCounter
 
 	protected fun launchJob(
 		context: CoroutineContext = EmptyCoroutineContext,
@@ -25,20 +32,18 @@ abstract class BaseViewModel : ViewModel() {
 		start: CoroutineStart = CoroutineStart.DEFAULT,
 		block: suspend CoroutineScope.() -> Unit
 	): Job = viewModelScope.launch(context + createErrorHandler(), start) {
-		isLoading.postValue(true)
+		loadingCounter.increment()
 		try {
 			block()
 		} finally {
-			isLoading.postValue(false)
+			loadingCounter.decrement()
 		}
 	}
 
 	private fun createErrorHandler() = CoroutineExceptionHandler { _, throwable ->
-		if (BuildConfig.DEBUG) {
+		throwable.printStackTraceDebug()
-			throwable.printStackTrace()
-		}
 		if (throwable !is CancellationException) {
-			onError.postCall(throwable)
+			errorEvent.postCall(throwable)
 		}
 	}
 }

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

@@ -0,0 +1,37 @@
+package org.koitharu.kotatsu.base.ui
+
+import android.app.Service
+import android.content.Intent
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import kotlinx.coroutines.withContext
+
+abstract class CoroutineIntentService : BaseService() {
+
+	private val mutex = Mutex()
+	protected open val dispatcher: CoroutineDispatcher = Dispatchers.Default
+
+	override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+		super.onStartCommand(intent, flags, startId)
+		launchCoroutine(intent, startId)
+		return Service.START_REDELIVER_INTENT
+	}
+
+	private fun launchCoroutine(intent: Intent?, startId: Int) = lifecycleScope.launch {
+		mutex.withLock {
+			try {
+				withContext(dispatcher) {
+					processIntent(intent)
+				}
+			} finally {
+				stopSelf(startId)
+			}
+		}
+	}
+
+	protected abstract suspend fun processIntent(intent: Intent?)
+}

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

@@ -0,0 +1,29 @@
+package org.koitharu.kotatsu.base.ui.dialog
+
+import android.content.Context
+import android.graphics.Color
+import android.view.View
+import com.google.android.material.bottomsheet.BottomSheetDialog
+
+class AppBottomSheetDialog(context: Context, theme: Int) : BottomSheetDialog(context, theme) {
+
+	/**
+	 * https://github.com/material-components/material-components-android/issues/2582
+	 */
+	@Suppress("DEPRECATION")
+	override fun onAttachedToWindow() {
+		val window = window
+		val initialSystemUiVisibility = window?.decorView?.systemUiVisibility ?: 0
+		super.onAttachedToWindow()
+		if (window != null) {
+			// If the navigation bar is translucent at all, the BottomSheet should be edge to edge
+			val drawEdgeToEdge = edgeToEdgeEnabled && Color.alpha(window.navigationBarColor) < 0xFF
+			if (drawEdgeToEdge) {
+				// Copied from super.onAttachedToWindow:
+				val edgeToEdgeFlags = View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+				// Fix super-class's window flag bug by respecting the initial system UI visibility:
+				window.decorView.systemUiVisibility = edgeToEdgeFlags or initialSystemUiVisibility
+			}
+		}
+	}
+}

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

@@ -2,18 +2,17 @@ package org.koitharu.kotatsu.base.ui.dialog
 
 import android.content.Context
 import android.content.DialogInterface
+import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.BaseAdapter
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import kotlinx.coroutines.runBlocking
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.databinding.ItemStorageBinding
-import org.koitharu.kotatsu.local.domain.LocalMangaRepository
+import org.koitharu.kotatsu.local.data.LocalStorageManager
-import org.koitharu.kotatsu.utils.ext.getStorageName
-import org.koitharu.kotatsu.utils.ext.inflate
-import org.koitharu.kotatsu.utils.ext.longHashCode
 import java.io.File
 
 class StorageSelectDialog private constructor(private val delegate: AlertDialog) :
@@ -21,19 +20,22 @@ class StorageSelectDialog private constructor(private val delegate: AlertDialog)
 
 	fun show() = delegate.show()
 
-	class Builder(context: Context, defaultValue: File?, listener: OnStorageSelectListener) {
+	class Builder(context: Context, storageManager: LocalStorageManager, listener: OnStorageSelectListener) {
 
-		private val adapter = VolumesAdapter(context)
+		private val adapter = VolumesAdapter(storageManager)
 		private val delegate = MaterialAlertDialogBuilder(context)
 
 		init {
 			if (adapter.isEmpty) {
 				delegate.setMessage(R.string.cannot_find_available_storage)
 			} else {
-				val checked = adapter.volumes.indexOfFirst {
+				val defaultValue = runBlocking {
+					storageManager.getDefaultWriteableDir()
+				}
+				adapter.selectedItemPosition = adapter.volumes.indexOfFirst {
 					it.first.canonicalPath == defaultValue?.canonicalPath
 				}
-				delegate.setSingleChoiceItems(adapter, checked) { d, i ->
+				delegate.setAdapter(adapter) { d, i ->
 					listener.onStorageSelected(adapter.getItem(i).first)
 					d.dismiss()
 				}
@@ -58,14 +60,18 @@ class StorageSelectDialog private constructor(private val delegate: AlertDialog)
 		fun create() = StorageSelectDialog(delegate.create())
 	}
 
-	private class VolumesAdapter(context: Context) : BaseAdapter() {
+	private class VolumesAdapter(storageManager: LocalStorageManager) : BaseAdapter() {
 
-		val volumes = getAvailableVolumes(context)
+		var selectedItemPosition: Int = -1
+		val volumes = getAvailableVolumes(storageManager)
 
 		override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
-			val view = convertView ?: parent.inflate(R.layout.item_storage)
+			val view = convertView ?: LayoutInflater.from(parent.context).inflate(R.layout.item_storage, parent, false)
+			val binding = (view.tag as? ItemStorageBinding) ?: ItemStorageBinding.bind(view).also {
+				view.tag = it
+			}
 			val item = volumes[position]
-			val binding = ItemStorageBinding.bind(view)
+			binding.imageViewIndicator.isChecked = selectedItemPosition == position
 			binding.textViewTitle.text = item.second
 			binding.textViewSubtitle.text = item.first.path
 			return view
@@ -73,23 +79,23 @@ class StorageSelectDialog private constructor(private val delegate: AlertDialog)
 
 		override fun getItem(position: Int): Pair<File, String> = volumes[position]
 
-		override fun getItemId(position: Int) = volumes[position].first.absolutePath.longHashCode()
+		override fun getItemId(position: Int) = position.toLong()
 
 		override fun getCount() = volumes.size
 
+		override fun hasStableIds() = true
+
+		private fun getAvailableVolumes(storageManager: LocalStorageManager): List<Pair<File, String>> {
+			return runBlocking {
+				storageManager.getWriteableDirs().map {
+					it to storageManager.getStorageDisplayName(it)
+				}
+			}
+		}
 	}
 
 	fun interface OnStorageSelectListener {
 
 		fun onStorageSelected(file: File)
 	}
-
-	private companion object {
-
-		fun getAvailableVolumes(context: Context): List<Pair<File, String>> {
-			return LocalMangaRepository.getAvailableStorageDirs(context).map {
-				it to it.getStorageName(context)
-			}
-		}
-	}
 }

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

@@ -1,89 +0,0 @@
-package org.koitharu.kotatsu.base.ui.dialog
-
-import android.content.Context
-import android.content.DialogInterface
-import android.text.InputFilter
-import android.view.LayoutInflater
-import androidx.annotation.StringRes
-import androidx.appcompat.app.AlertDialog
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import org.koitharu.kotatsu.databinding.DialogInputBinding
-
-class TextInputDialog private constructor(
-	private val delegate: AlertDialog
-) : DialogInterface by delegate {
-
-	fun show() = delegate.show()
-
-	class Builder(context: Context) {
-
-		private val binding = DialogInputBinding.inflate(LayoutInflater.from(context))
-
-		private val delegate = MaterialAlertDialogBuilder(context)
-			.setView(binding.root)
-
-		fun setTitle(@StringRes titleResId: Int): Builder {
-			delegate.setTitle(titleResId)
-			return this
-		}
-
-		fun setTitle(title: CharSequence): Builder {
-			delegate.setTitle(title)
-			return this
-		}
-
-		fun setHint(@StringRes hintResId: Int): Builder {
-			binding.inputLayout.hint = binding.root.context.getString(hintResId)
-			return this
-		}
-
-		fun setMaxLength(maxLength: Int, strict: Boolean): Builder {
-			with(binding.inputLayout) {
-				counterMaxLength = maxLength
-				isCounterEnabled = maxLength > 0
-			}
-			if (strict && maxLength > 0) {
-				binding.inputEdit.filters += InputFilter.LengthFilter(maxLength)
-			}
-			return this
-		}
-
-		fun setInputType(inputType: Int): Builder {
-			binding.inputEdit.inputType = inputType
-			return this
-		}
-
-		fun setText(text: String): Builder {
-			binding.inputEdit.setText(text)
-			binding.inputEdit.setSelection(text.length)
-			return this
-		}
-
-		fun setPositiveButton(
-			@StringRes textId: Int,
-			listener: (DialogInterface, String) -> Unit
-		): Builder {
-			delegate.setPositiveButton(textId) { dialog, _ ->
-				listener(dialog, binding.inputEdit.text.toString().orEmpty())
-			}
-			return this
-		}
-
-		fun setNegativeButton(
-			@StringRes textId: Int,
-			listener: DialogInterface.OnClickListener? = null
-		): Builder {
-			delegate.setNegativeButton(textId, listener)
-			return this
-		}
-
-		fun setOnCancelListener(listener: DialogInterface.OnCancelListener): Builder {
-			delegate.setOnCancelListener(listener)
-			return this
-		}
-
-		fun create() =
-			TextInputDialog(delegate.create())
-
-	}
-}

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

@@ -0,0 +1,20 @@
+package org.koitharu.kotatsu.base.ui.list
+
+import android.view.View
+import android.view.View.OnClickListener
+import android.view.View.OnLongClickListener
+import com.hannesdorfmann.adapterdelegates4.dsl.AdapterDelegateViewBindingViewHolder
+
+class AdapterDelegateClickListenerAdapter<I>(
+	private val adapterDelegate: AdapterDelegateViewBindingViewHolder<I, *>,
+	private val clickListener: OnListItemClickListener<I>,
+) : OnClickListener, OnLongClickListener {
+
+	override fun onClick(v: View) {
+		clickListener.onItemClick(adapterDelegate.item, v)
+	}
+
+	override fun onLongClick(v: View): Boolean {
+		return clickListener.onItemLongClick(adapterDelegate.item, v)
+	}
+}

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

@@ -1,26 +0,0 @@
-package org.koitharu.kotatsu.base.ui.list
-
-import androidx.recyclerview.widget.DiffUtil
-import androidx.recyclerview.widget.RecyclerView
-import java.util.*
-
-@Deprecated("")
-class AdapterUpdater<T>(oldList: List<T>, newList: List<T>, getId: (T) -> Long) {
-
-	private val diff = DiffUtil.calculateDiff(object : DiffUtil.Callback() {
-
-		override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int) =
-			getId(oldList[oldItemPosition]) == getId(newList[newItemPosition])
-
-		override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int) =
-			Objects.equals(oldList[oldItemPosition], newList[newItemPosition])
-
-		override fun getOldListSize() = oldList.size
-
-		override fun getNewListSize() = newList.size
-	})
-
-	operator fun invoke(adapter: RecyclerView.Adapter<*>) {
-		diff.dispatchUpdatesTo(adapter)
-	}
-}

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

@@ -1,28 +0,0 @@
-package org.koitharu.kotatsu.base.ui.list
-
-import androidx.recyclerview.widget.RecyclerView
-import androidx.viewbinding.ViewBinding
-import org.koin.core.component.KoinComponent
-
-@Deprecated("")
-abstract class BaseViewHolder<T, E, B : ViewBinding> protected constructor(val binding: B) :
-	RecyclerView.ViewHolder(binding.root), KoinComponent {
-
-	var boundData: T? = null
-		private set
-
-	val context get() = itemView.context!!
-
-	fun bind(data: T, extra: E) {
-		boundData = data
-		onBind(data, extra)
-	}
-
-	fun requireData(): T {
-		return boundData ?: throw IllegalStateException("Calling requireData() before bind()")
-	}
-
-	open fun onRecycled() = Unit
-
-	abstract fun onBind(data: T, extra: E)
-}

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

@@ -0,0 +1,37 @@
+package org.koitharu.kotatsu.base.ui.list
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.View
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+
+class FitHeightGridLayoutManager : GridLayoutManager {
+
+	constructor(context: Context?, spanCount: Int) : super(context, spanCount)
+
+	constructor(
+		context: Context?,
+		attrs: AttributeSet?,
+		defStyleAttr: Int,
+		defStyleRes: Int,
+	) : super(context, attrs, defStyleAttr, defStyleRes)
+
+	constructor(
+		context: Context?,
+		spanCount: Int,
+		orientation: Int,
+		reverseLayout: Boolean,
+	) : super(context, spanCount, orientation, reverseLayout)
+
+
+	override fun layoutDecoratedWithMargins(child: View, left: Int, top: Int, right: Int, bottom: Int) {
+		if (orientation == RecyclerView.VERTICAL && child.layoutParams.height == LayoutParams.MATCH_PARENT) {
+			val parentBottom = height - paddingBottom
+			val offset = parentBottom - bottom
+			super.layoutDecoratedWithMargins(child, left, top + offset, right, bottom + offset)
+		} else {
+			super.layoutDecoratedWithMargins(child, left, top, right, bottom)
+		}
+	}
+}

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

@@ -0,0 +1,37 @@
+package org.koitharu.kotatsu.base.ui.list
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.View
+import androidx.annotation.AttrRes
+import androidx.annotation.StyleRes
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.LayoutParams
+
+class FitHeightLinearLayoutManager : LinearLayoutManager {
+
+	constructor(context: Context) : super(context)
+	constructor(
+		context: Context,
+		@RecyclerView.Orientation orientation: Int,
+		reverseLayout: Boolean,
+	) : super(context, orientation, reverseLayout)
+
+	constructor(
+		context: Context,
+		attrs: AttributeSet?,
+		@AttrRes defStyleAttr: Int,
+		@StyleRes defStyleRes: Int,
+	) : super(context, attrs, defStyleAttr, defStyleRes)
+
+	override fun layoutDecoratedWithMargins(child: View, left: Int, top: Int, right: Int, bottom: Int) {
+		if (orientation == RecyclerView.VERTICAL && child.layoutParams.height == LayoutParams.MATCH_PARENT) {
+			val parentBottom = height - paddingBottom
+			val offset = parentBottom - bottom
+			super.layoutDecoratedWithMargins(child, left, top + offset, right, bottom + offset)
+		} else {
+			super.layoutDecoratedWithMargins(child, left, top, right, bottom)
+		}
+	}
+}

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/AbstractDividerItemDecoration.kt

@@ -0,0 +1,87 @@
+package org.koitharu.kotatsu.base.ui.list.decor
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Paint
+import android.graphics.Rect
+import android.view.View
+import androidx.core.content.res.getColorOrThrow
+import androidx.core.view.children
+import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.R as materialR
+
+@SuppressLint("PrivateResource")
+abstract class AbstractDividerItemDecoration(context: Context) : RecyclerView.ItemDecoration() {
+
+	private val bounds = Rect()
+	private val thickness: Int
+	private val paint = Paint(Paint.ANTI_ALIAS_FLAG)
+
+	init {
+		paint.style = Paint.Style.FILL
+		val ta = context.obtainStyledAttributes(
+			null,
+			materialR.styleable.MaterialDivider,
+			materialR.attr.materialDividerStyle,
+			materialR.style.Widget_Material3_MaterialDivider,
+		)
+		paint.color = ta.getColorOrThrow(materialR.styleable.MaterialDivider_dividerColor)
+		thickness = ta.getDimensionPixelSize(
+			materialR.styleable.MaterialDivider_dividerThickness,
+			context.resources.getDimensionPixelSize(materialR.dimen.material_divider_thickness),
+		)
+		ta.recycle()
+	}
+
+
+	override fun getItemOffsets(
+		outRect: Rect,
+		view: View,
+		parent: RecyclerView,
+		state: RecyclerView.State,
+	) {
+		outRect.set(0, thickness, 0, 0)
+	}
+
+	// TODO implement for horizontal lists on demand
+	override fun onDraw(canvas: Canvas, parent: RecyclerView, s: RecyclerView.State) {
+		if (parent.layoutManager == null || thickness == 0) {
+			return
+		}
+		canvas.save()
+		val left: Float
+		val right: Float
+		if (parent.clipToPadding) {
+			left = parent.paddingLeft.toFloat()
+			right = (parent.width - parent.paddingRight).toFloat()
+			canvas.clipRect(
+				left,
+				parent.paddingTop.toFloat(),
+				right,
+				(parent.height - parent.paddingBottom).toFloat()
+			)
+		} else {
+			left = 0f
+			right = parent.width.toFloat()
+		}
+
+		var previous: RecyclerView.ViewHolder? = null
+		for (child in parent.children) {
+			val holder = parent.getChildViewHolder(child)
+			if (previous != null && shouldDrawDivider(previous, holder)) {
+				parent.getDecoratedBoundsWithMargins(child, bounds)
+				val top: Float = bounds.top + child.translationY
+				val bottom: Float = top + thickness
+				canvas.drawRect(left, top, right, bottom, paint)
+			}
+			previous = holder
+		}
+		canvas.restore()
+	}
+
+	protected abstract fun shouldDrawDivider(
+		above: RecyclerView.ViewHolder,
+		below: RecyclerView.ViewHolder,
+	): Boolean
+}

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

@@ -0,0 +1,111 @@
+package org.koitharu.kotatsu.base.ui.list.decor
+
+import android.graphics.Canvas
+import android.graphics.Rect
+import android.graphics.RectF
+import android.view.View
+import androidx.core.view.children
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.NO_ID
+
+abstract class AbstractSelectionItemDecoration : RecyclerView.ItemDecoration() {
+
+	private val bounds = Rect()
+	private val boundsF = RectF()
+	protected val selection = HashSet<Long>()
+
+	protected var hasBackground: Boolean = true
+	protected var hasForeground: Boolean = false
+	protected var isIncludeDecorAndMargins: Boolean = true
+
+	val checkedItemsCount: Int
+		get() = selection.size
+
+	val checkedItemsIds: Set<Long>
+		get() = selection
+
+	fun toggleItemChecked(id: Long) {
+		if (!selection.remove(id)) {
+			selection.add(id)
+		}
+	}
+
+	fun setItemIsChecked(id: Long, isChecked: Boolean) {
+		if (isChecked) {
+			selection.add(id)
+		} else {
+			selection.remove(id)
+		}
+	}
+
+	fun checkAll(ids: Collection<Long>) {
+		selection.addAll(ids)
+	}
+
+	fun clearSelection() {
+		selection.clear()
+	}
+
+	override fun onDraw(canvas: Canvas, parent: RecyclerView, state: RecyclerView.State) {
+		if (hasBackground) {
+			doDraw(canvas, parent, state, false)
+		} else {
+			super.onDraw(canvas, parent, state)
+		}
+	}
+
+	override fun onDrawOver(canvas: Canvas, parent: RecyclerView, state: RecyclerView.State) {
+		if (hasForeground) {
+			doDraw(canvas, parent, state, true)
+		} else {
+			super.onDrawOver(canvas, parent, state)
+		}
+	}
+
+	private fun doDraw(canvas: Canvas, parent: RecyclerView, state: RecyclerView.State, isOver: Boolean) {
+		val checkpoint = canvas.save()
+		if (parent.clipToPadding) {
+			canvas.clipRect(
+				parent.paddingLeft, parent.paddingTop, parent.width - parent.paddingRight,
+				parent.height - parent.paddingBottom
+			)
+		}
+
+		for (child in parent.children) {
+			val itemId = getItemId(parent, child)
+			if (itemId != NO_ID && itemId in selection) {
+				if (isIncludeDecorAndMargins) {
+					parent.getDecoratedBoundsWithMargins(child, bounds)
+				} else {
+					bounds.set(child.left, child.top, child.right, child.bottom)
+				}
+				boundsF.set(bounds)
+				boundsF.offset(child.translationX, child.translationY)
+				if (isOver) {
+					onDrawForeground(canvas, parent, child, boundsF, state)
+				} else {
+					onDrawBackground(canvas, parent, child, boundsF, state)
+				}
+			}
+		}
+		canvas.restoreToCount(checkpoint)
+	}
+
+	protected open fun getItemId(parent: RecyclerView, child: View) = parent.getChildItemId(child)
+
+	protected open fun onDrawBackground(
+		canvas: Canvas,
+		parent: RecyclerView,
+		child: View,
+		bounds: RectF,
+		state: RecyclerView.State,
+	) = Unit
+
+	protected open fun onDrawForeground(
+		canvas: Canvas,
+		parent: RecyclerView,
+		child: View,
+		bounds: RectF,
+		state: RecyclerView.State,
+	) = Unit
+}

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

@@ -1,58 +0,0 @@
-package org.koitharu.kotatsu.base.ui.list.decor
-
-import android.content.Context
-import android.graphics.Canvas
-import android.graphics.Rect
-import android.view.View
-import androidx.core.view.children
-import androidx.recyclerview.widget.RecyclerView
-import org.koitharu.kotatsu.utils.ext.getThemeDrawable
-import kotlin.math.roundToInt
-
-class ItemTypeDividerDecoration(context: Context) : RecyclerView.ItemDecoration() {
-
-	private val divider = context.getThemeDrawable(android.R.attr.listDivider)
-	private val bounds = Rect()
-
-	override fun getItemOffsets(
-		outRect: Rect, view: View,
-		parent: RecyclerView, state: RecyclerView.State
-	) {
-		outRect.set(0, divider?.intrinsicHeight ?: 0, 0, 0)
-	}
-
-	override fun onDraw(canvas: Canvas, parent: RecyclerView, s: RecyclerView.State) {
-		if (parent.layoutManager == null || divider == null) {
-			return
-		}
-		val adapter = parent.adapter ?: return
-		canvas.save()
-		val left: Int
-		val right: Int
-		if (parent.clipToPadding) {
-			left = parent.paddingLeft
-			right = parent.width - parent.paddingRight
-			canvas.clipRect(
-				left, parent.paddingTop, right,
-				parent.height - parent.paddingBottom
-			)
-		} else {
-			left = 0
-			right = parent.width
-		}
-
-		var lastItemType = -1
-		for (child in parent.children) {
-			val itemType = adapter.getItemViewType(parent.getChildAdapterPosition(child))
-			if (lastItemType != -1 && itemType != lastItemType) {
-				parent.getDecoratedBoundsWithMargins(child, bounds)
-				val top: Int = bounds.top + child.translationY.roundToInt()
-				val bottom: Int = top + divider.intrinsicHeight
-				divider.setBounds(left, top, right, bottom)
-				divider.draw(canvas)
-			}
-			lastItemType = itemType
-		}
-		canvas.restore()
-	}
-}

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

@@ -1,96 +0,0 @@
-package org.koitharu.kotatsu.base.ui.list.decor
-
-import android.graphics.Canvas
-import android.graphics.Rect
-import android.view.View
-import android.view.ViewGroup
-import android.widget.TextView
-import androidx.core.view.children
-import androidx.recyclerview.widget.RecyclerView
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.utils.ext.inflate
-import kotlin.math.max
-
-/**
- * https://github.com/paetztm/recycler_view_headers
- */
-class SectionItemDecoration(
-	private val isSticky: Boolean,
-	private val callback: Callback
-) : RecyclerView.ItemDecoration() {
-
-	private var headerView: TextView? = null
-	private var headerOffset: Int = 0
-
-	override fun getItemOffsets(
-		outRect: Rect,
-		view: View,
-		parent: RecyclerView,
-		state: RecyclerView.State
-	) {
-		if (headerOffset == 0) {
-			headerOffset = parent.resources.getDimensionPixelSize(R.dimen.header_height)
-		}
-		val pos = parent.getChildAdapterPosition(view)
-		outRect.set(0, if (callback.isSection(pos)) headerOffset else 0, 0, 0)
-	}
-
-	override fun onDrawOver(c: Canvas, parent: RecyclerView, state: RecyclerView.State) {
-		super.onDrawOver(c, parent, state)
-		val textView = headerView ?: parent.inflate<TextView>(R.layout.item_header).also {
-			headerView = it
-		}
-		fixLayoutSize(textView, parent)
-
-		for (child in parent.children) {
-			val pos = parent.getChildAdapterPosition(child)
-			if (callback.isSection(pos)) {
-				textView.text = callback.getSectionTitle(pos) ?: continue
-				c.save()
-				if (isSticky) {
-					c.translate(
-						0f,
-						max(0f, (child.top - textView.height).toFloat())
-					)
-				} else {
-					c.translate(
-						0f,
-						(child.top - textView.height).toFloat()
-					)
-				}
-				textView.draw(c)
-				c.restore()
-			}
-		}
-	}
-
-	/**
-	 * Measures the header view to make sure its size is greater than 0 and will be drawn
-	 * https://yoda.entelect.co.za/view/9627/how-to-android-recyclerview-item-decorations
-	 */
-	private fun fixLayoutSize(view: View, parent: ViewGroup) {
-		val widthSpec = View.MeasureSpec.makeMeasureSpec(parent.width, View.MeasureSpec.EXACTLY)
-		val heightSpec =
-			View.MeasureSpec.makeMeasureSpec(parent.height, View.MeasureSpec.UNSPECIFIED)
-
-		val childWidth = ViewGroup.getChildMeasureSpec(
-			widthSpec,
-			parent.paddingLeft + parent.paddingRight,
-			view.layoutParams.width
-		)
-		val childHeight = ViewGroup.getChildMeasureSpec(
-			heightSpec,
-			parent.paddingTop + parent.paddingBottom,
-			view.layoutParams.height
-		)
-		view.measure(childWidth, childHeight)
-		view.layout(0, 0, view.measuredWidth, view.measuredHeight)
-	}
-
-	interface Callback {
-
-		fun isSection(position: Int): Boolean
-
-		fun getSectionTitle(position: Int): CharSequence?
-	}
-}

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

@@ -0,0 +1,35 @@
+package org.koitharu.kotatsu.base.ui.list.decor
+
+import android.graphics.Rect
+import android.util.SparseIntArray
+import android.view.View
+import androidx.core.util.getOrDefault
+import androidx.core.util.set
+import androidx.recyclerview.widget.RecyclerView
+
+class TypedSpacingItemDecoration(
+	vararg spacingMapping: Pair<Int, Int>,
+	private val fallbackSpacing: Int = 0,
+) : RecyclerView.ItemDecoration() {
+
+	private val mapping = SparseIntArray(spacingMapping.size)
+	
+	init {
+		spacingMapping.forEach { (k, v) -> mapping[k] = v }
+	}
+
+	override fun getItemOffsets(
+		outRect: Rect,
+		view: View,
+		parent: RecyclerView,
+		state: RecyclerView.State
+	) {
+		val itemType = parent.getChildViewHolder(view)?.itemViewType
+		val spacing = if (itemType == null) {
+			fallbackSpacing
+		} else {
+			mapping.getOrDefault(itemType, fallbackSpacing)
+		}
+		outRect.set(spacing, spacing, spacing, spacing)
+	}
+}

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

@@ -0,0 +1,50 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import androidx.appcompat.view.ActionMode
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+
+class ActionModeDelegate {
+
+	private var activeActionMode: ActionMode? = null
+	private var listeners: MutableList<ActionModeListener>? = null
+
+	val isActionModeStarted: Boolean
+		get() = activeActionMode != null
+
+	fun onSupportActionModeStarted(mode: ActionMode) {
+		activeActionMode = mode
+		listeners?.forEach { it.onActionModeStarted(mode) }
+	}
+
+	fun onSupportActionModeFinished(mode: ActionMode) {
+		activeActionMode = null
+		listeners?.forEach { it.onActionModeFinished(mode) }
+	}
+
+	fun addListener(listener: ActionModeListener) {
+		if (listeners == null) {
+			listeners = ArrayList()
+		}
+		checkNotNull(listeners).add(listener)
+	}
+
+	fun removeListener(listener: ActionModeListener) {
+		listeners?.remove(listener)
+	}
+
+	fun addListener(listener: ActionModeListener, owner: LifecycleOwner) {
+		addListener(listener)
+		owner.lifecycle.addObserver(ListenerLifecycleObserver(listener))
+	}
+
+	private inner class ListenerLifecycleObserver(
+		private val listener: ActionModeListener,
+	) : DefaultLifecycleObserver {
+
+		override fun onDestroy(owner: LifecycleOwner) {
+			super.onDestroy(owner)
+			removeListener(listener)
+		}
+	}
+}

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

@@ -0,0 +1,10 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import androidx.appcompat.view.ActionMode
+
+interface ActionModeListener {
+
+	fun onActionModeStarted(mode: ActionMode)
+
+	fun onActionModeFinished(mode: ActionMode)
+}

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

@@ -0,0 +1,34 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import android.app.Activity
+import android.app.Application.ActivityLifecycleCallbacks
+import android.os.Bundle
+import java.util.*
+
+class ActivityRecreationHandle : ActivityLifecycleCallbacks {
+
+	private val activities = WeakHashMap<Activity, Unit>()
+
+	override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
+		activities[activity] = Unit
+	}
+
+	override fun onActivityStarted(activity: Activity) = Unit
+
+	override fun onActivityResumed(activity: Activity) = Unit
+
+	override fun onActivityPaused(activity: Activity) = Unit
+
+	override fun onActivityStopped(activity: Activity) = Unit
+
+	override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) = Unit
+
+	override fun onActivityDestroyed(activity: Activity) {
+		activities.remove(activity)
+	}
+
+	fun recreateAll() {
+		val snapshot = activities.keys.toList()
+		snapshot.forEach { it.recreate() }
+	}
+}

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

@@ -0,0 +1,31 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import androidx.annotation.AnyThread
+import androidx.lifecycle.LiveData
+import java.util.concurrent.atomic.AtomicInteger
+
+class CountedBooleanLiveData : LiveData<Boolean>(false) {
+
+	private val counter = AtomicInteger(0)
+
+	@AnyThread
+	fun increment() {
+		if (counter.getAndIncrement() == 0) {
+			postValue(true)
+		}
+	}
+
+	@AnyThread
+	fun decrement() {
+		if (counter.decrementAndGet() == 0) {
+			postValue(false)
+		}
+	}
+
+	@AnyThread
+	fun reset() {
+		if (counter.getAndSet(0) != 0) {
+			postValue(false)
+		}
+	}
+}

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

@@ -0,0 +1,8 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import androidx.recyclerview.widget.RecyclerView
+
+interface RecyclerViewOwner {
+
+	val recyclerView: RecyclerView
+}

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

@@ -0,0 +1,48 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.View
+import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.coordinatorlayout.widget.CoordinatorLayout.Behavior
+import androidx.core.view.ViewCompat
+import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
+
+class ShrinkOnScrollBehavior : Behavior<ExtendedFloatingActionButton> {
+
+	@Suppress("unused") constructor() : super()
+	@Suppress("unused") constructor(context: Context?, attrs: AttributeSet?) : super(context, attrs)
+
+	override fun onStartNestedScroll(
+		coordinatorLayout: CoordinatorLayout,
+		child: ExtendedFloatingActionButton,
+		directTargetChild: View,
+		target: View,
+		axes: Int,
+		type: Int
+	): Boolean {
+		return axes == ViewCompat.SCROLL_AXIS_VERTICAL
+	}
+
+	override fun onNestedScroll(
+		coordinatorLayout: CoordinatorLayout,
+		child: ExtendedFloatingActionButton,
+		target: View,
+		dxConsumed: Int,
+		dyConsumed: Int,
+		dxUnconsumed: Int,
+		dyUnconsumed: Int,
+		type: Int,
+		consumed: IntArray
+	) {
+		if (dyConsumed > 0) {
+			if (child.isExtended) {
+				child.shrink()
+			}
+		} else if (dyConsumed < 0) {
+			if (!child.isExtended) {
+				child.extend()
+			}
+		}
+	}
+}

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

@@ -0,0 +1,66 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import android.view.View
+import androidx.core.graphics.Insets
+import androidx.core.view.OnApplyWindowInsetsListener
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+
+class WindowInsetsDelegate(
+	private val listener: WindowInsetsListener,
+) : OnApplyWindowInsetsListener, View.OnLayoutChangeListener {
+
+	var handleImeInsets: Boolean = false
+
+	var interceptingWindowInsetsListener: OnApplyWindowInsetsListener? = null
+
+	private var lastInsets: Insets? = null
+
+	override fun onApplyWindowInsets(v: View, insets: WindowInsetsCompat): WindowInsetsCompat {
+		val handledInsets = interceptingWindowInsetsListener?.onApplyWindowInsets(v, insets) ?: insets
+		val newInsets = if (handleImeInsets) {
+			Insets.max(
+				handledInsets.getInsets(WindowInsetsCompat.Type.systemBars()),
+				handledInsets.getInsets(WindowInsetsCompat.Type.ime()),
+			)
+		} else {
+			handledInsets.getInsets(WindowInsetsCompat.Type.systemBars())
+		}
+		if (newInsets != lastInsets) {
+			listener.onWindowInsetsChanged(newInsets)
+			lastInsets = newInsets
+		}
+		return handledInsets
+	}
+
+	override fun onLayoutChange(
+		view: View,
+		left: Int,
+		top: Int,
+		right: Int,
+		bottom: Int,
+		oldLeft: Int,
+		oldTop: Int,
+		oldRight: Int,
+		oldBottom: Int,
+	) {
+		view.removeOnLayoutChangeListener(this)
+		if (lastInsets == null) { // Listener may not be called
+			onApplyWindowInsets(view, ViewCompat.getRootWindowInsets(view) ?: return)
+		}
+	}
+
+	fun onViewCreated(view: View) {
+		ViewCompat.setOnApplyWindowInsetsListener(view, this)
+		view.addOnLayoutChangeListener(this)
+	}
+
+	fun onDestroyView() {
+		lastInsets = null
+	}
+
+	interface WindowInsetsListener {
+
+		fun onWindowInsetsChanged(insets: Insets)
+	}
+}

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

@@ -0,0 +1,42 @@
+package org.koitharu.kotatsu.base.ui.widgets
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.View
+import android.view.ViewGroup
+import android.widget.LinearLayout
+import androidx.annotation.AttrRes
+import androidx.annotation.IdRes
+import androidx.core.view.children
+import com.google.android.material.button.MaterialButton
+
+class CheckableButtonGroup @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+	@AttrRes defStyleAttr: Int = 0,
+) : LinearLayout(context, attrs, defStyleAttr), View.OnClickListener {
+
+	var onCheckedChangeListener: OnCheckedChangeListener? = null
+
+	override fun addView(child: View?, index: Int, params: ViewGroup.LayoutParams?) {
+		if (child is MaterialButton) {
+			child.setOnClickListener(this)
+		}
+		super.addView(child, index, params)
+	}
+
+	override fun onClick(v: View) {
+		setCheckedId(v.id)
+	}
+
+	fun setCheckedId(@IdRes viewRes: Int) {
+		children.forEach {
+			(it as? MaterialButton)?.isChecked = it.id == viewRes
+		}
+		onCheckedChangeListener?.onCheckedChanged(this, viewRes)
+	}
+
+	fun interface OnCheckedChangeListener {
+		fun onCheckedChanged(group: CheckableButtonGroup, checkedId: Int)
+	}
+}

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

@@ -1,12 +1,21 @@
 package org.koitharu.kotatsu.base.ui.widgets
 
 import android.content.Context
+import android.os.Parcel
+import android.os.Parcelable
+import android.os.Parcelable.Creator
 import android.util.AttributeSet
+import android.view.View
 import android.widget.Checkable
+import androidx.annotation.AttrRes
 import androidx.appcompat.widget.AppCompatImageView
+import androidx.core.os.ParcelCompat
+import androidx.customview.view.AbsSavedState
 
 class CheckableImageView @JvmOverloads constructor(
-	context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
+	context: Context,
+	attrs: AttributeSet? = null,
+	@AttrRes defStyleAttr: Int = 0,
 ) : AppCompatImageView(context, attrs, defStyleAttr), Checkable {
 
 	private var isCheckedInternal = false
@@ -14,20 +23,6 @@ class CheckableImageView @JvmOverloads constructor(
 
 	var onCheckedChangeListener: OnCheckedChangeListener? = null
 
-	init {
-		setOnClickListener {
-			toggle()
-		}
-	}
-
-	fun setOnCheckedChangeListener(listener: (Boolean) -> Unit) {
-		onCheckedChangeListener = object : OnCheckedChangeListener {
-			override fun onCheckedChanged(view: CheckableImageView, isChecked: Boolean) {
-				listener(isChecked)
-			}
-		}
-	}
-
 	override fun isChecked() = isCheckedInternal
 
 	override fun toggle() {
@@ -49,18 +44,61 @@ class CheckableImageView @JvmOverloads constructor(
 	override fun onCreateDrawableState(extraSpace: Int): IntArray {
 		val state = super.onCreateDrawableState(extraSpace + 1)
 		if (isCheckedInternal) {
-			mergeDrawableStates(state, CHECKED_STATE_SET)
+			mergeDrawableStates(state, intArrayOf(android.R.attr.state_checked))
 		}
 		return state
 	}
 
+	override fun onSaveInstanceState(): Parcelable? {
+		val superState = super.onSaveInstanceState() ?: return null
+		return SavedState(superState, isChecked)
+	}
+
+	override fun onRestoreInstanceState(state: Parcelable?) {
+		if (state is SavedState) {
+			super.onRestoreInstanceState(state.superState)
+			isChecked = state.isChecked
+		} else {
+			super.onRestoreInstanceState(state)
+		}
+	}
+
+	class ToggleOnClickListener : OnClickListener {
+		override fun onClick(view: View) {
+			(view as? Checkable)?.toggle()
+		}
+	}
+
 	fun interface OnCheckedChangeListener {
 
 		fun onCheckedChanged(view: CheckableImageView, isChecked: Boolean)
 	}
 
-	private companion object {
+	private class SavedState : AbsSavedState {
 
-		private val CHECKED_STATE_SET = intArrayOf(android.R.attr.state_checked)
+		val isChecked: Boolean
+
+		constructor(superState: Parcelable, checked: Boolean) : super(superState) {
+			isChecked = checked
+		}
+
+		constructor(source: Parcel, classLoader: ClassLoader?) : super(source, classLoader) {
+			isChecked = ParcelCompat.readBoolean(source)
+		}
+
+		override fun writeToParcel(out: Parcel, flags: Int) {
+			super.writeToParcel(out, flags)
+			ParcelCompat.writeBoolean(out, isChecked)
+		}
+
+		companion object {
+			@Suppress("unused")
+			@JvmField
+			val CREATOR: Creator<SavedState> = object : Creator<SavedState> {
+				override fun createFromParcel(`in`: Parcel) = SavedState(`in`, SavedState::class.java.classLoader)
+
+				override fun newArray(size: Int): Array<SavedState?> = arrayOfNulls(size)
+			}
+		}
 	}
 }

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

@@ -5,15 +5,15 @@ import android.util.AttributeSet
 import android.view.View.OnClickListener
 import androidx.annotation.DrawableRes
 import androidx.core.view.children
-import com.google.android.material.R
 import com.google.android.material.chip.Chip
+import com.google.android.material.chip.ChipDrawable
 import com.google.android.material.chip.ChipGroup
-import org.koitharu.kotatsu.utils.ext.getThemeColor
+import org.koitharu.kotatsu.R
 
 class ChipsView @JvmOverloads constructor(
 	context: Context,
 	attrs: AttributeSet? = null,
-	defStyleAttr: Int = R.attr.chipGroupStyle
+	defStyleAttr: Int = com.google.android.material.R.attr.chipGroupStyle
 ) : ChipGroup(context, attrs, defStyleAttr) {
 
 	private var isLayoutSuppressedCompat = false
@@ -21,12 +21,21 @@ class ChipsView @JvmOverloads constructor(
 	private var chipOnClickListener = OnClickListener {
 		onChipClickListener?.onChipClick(it as Chip, it.tag)
 	}
+	private var chipOnCloseListener = OnClickListener {
+		onChipCloseClickListener?.onChipCloseClick(it as Chip, it.tag)
+	}
 	var onChipClickListener: OnChipClickListener? = null
 		set(value) {
 			field = value
 			val isChipClickable = value != null
 			children.forEach { it.isClickable = isChipClickable }
 		}
+	var onChipCloseClickListener: OnChipCloseClickListener? = null
+		set(value) {
+			field = value
+			val isCloseIconVisible = value != null
+			children.forEach { (it as? Chip)?.isCloseIconVisible = isCloseIconVisible }
+		}
 
 	override fun requestLayout() {
 		if (isLayoutSuppressedCompat) {
@@ -36,15 +45,15 @@ class ChipsView @JvmOverloads constructor(
 		}
 	}
 
-	fun setChips(items: List<ChipModel>) {
+	fun setChips(items: Collection<ChipModel>) {
 		suppressLayoutCompat(true)
 		try {
 			for ((i, model) in items.withIndex()) {
 				val chip = getChildAt(i) as Chip? ?: addChip()
 				bindChip(chip, model)
 			}
-			for (i in items.size until childCount) {
+			if (childCount > items.size) {
-				removeViewAt(i)
+				removeViews(items.size, childCount - items.size)
 			}
 		} finally {
 			suppressLayoutCompat(false)
@@ -59,16 +68,19 @@ class ChipsView @JvmOverloads constructor(
 			chip.isCheckedIconVisible = true
 			chip.setChipIconResource(model.icon)
 		}
+		chip.isClickable = onChipClickListener != null
 		chip.tag = model.data
 	}
 
 	private fun addChip(): Chip {
 		val chip = Chip(context)
-		chip.setTextColor(context.getThemeColor(android.R.attr.textColorPrimary))
+		val drawable = ChipDrawable.createFromAttributes(context, null, 0, R.style.Widget_Kotatsu_Chip)
-		chip.isCloseIconVisible = false
+		chip.setChipDrawable(drawable)
+		chip.isCloseIconVisible = onChipCloseClickListener != null
+		chip.setOnCloseIconClickListener(chipOnCloseListener)
 		chip.setEnsureMinTouchTargetSize(false)
 		chip.setOnClickListener(chipOnClickListener)
-		chip.isClickable = onChipClickListener != null
+		chip.isCheckable = false
 		addView(chip)
 		return chip
 	}
@@ -83,14 +95,40 @@ class ChipsView @JvmOverloads constructor(
 		}
 	}
 
-	data class ChipModel(
+	class ChipModel(
 		@DrawableRes val icon: Int,
 		val title: CharSequence,
 		val data: Any? = null
-	)
+	) {
+
+		override fun equals(other: Any?): Boolean {
+			if (this === other) return true
+			if (javaClass != other?.javaClass) return false
+
+			other as ChipModel
+
+			if (icon != other.icon) return false
+			if (title != other.title) return false
+			if (data != other.data) return false
+
+			return true
+		}
+
+		override fun hashCode(): Int {
+			var result = icon
+			result = 31 * result + title.hashCode()
+			result = 31 * result + data.hashCode()
+			return result
+		}
+	}
 
 	fun interface OnChipClickListener {
 
 		fun onChipClick(chip: Chip, data: Any?)
 	}
+
+	fun interface OnChipCloseClickListener {
+
+		fun onChipCloseClick(chip: Chip, data: Any?)
+	}
 }

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

@@ -2,52 +2,42 @@ package org.koitharu.kotatsu.base.ui.widgets
 
 import android.content.Context
 import android.util.AttributeSet
-import android.widget.LinearLayout
+import android.widget.LinearLayout.HORIZONTAL
-import androidx.appcompat.widget.AppCompatImageView
+import android.widget.LinearLayout.VERTICAL
+import androidx.annotation.AttrRes
 import androidx.core.content.withStyledAttributes
+import com.google.android.material.imageview.ShapeableImageView
 import org.koitharu.kotatsu.R
+import kotlin.math.roundToInt
 
+private const val ASPECT_RATIO_HEIGHT = 18f
+private const val ASPECT_RATIO_WIDTH = 13f
 
 class CoverImageView @JvmOverloads constructor(
-	context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
+	context: Context,
-) : AppCompatImageView(context, attrs, defStyleAttr) {
+	attrs: AttributeSet? = null,
+	@AttrRes defStyleAttr: Int = 0,
+) : ShapeableImageView(context, attrs, defStyleAttr) {
 
 	private var orientation: Int = HORIZONTAL
 
 	init {
 		context.withStyledAttributes(attrs, R.styleable.CoverImageView, defStyleAttr) {
-			orientation = getInt(R.styleable.CoverImageView_android_orientation, HORIZONTAL)
+			orientation = getInt(R.styleable.CoverImageView_android_orientation, orientation)
 		}
 	}
 
 	override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+		super.onMeasure(widthMeasureSpec, heightMeasureSpec)
+		val desiredWidth: Int
+		val desiredHeight: Int
 		if (orientation == VERTICAL) {
-			val originalHeight = MeasureSpec.getSize(heightMeasureSpec)
+			desiredHeight = measuredHeight
-			super.onMeasure(
+			desiredWidth = (desiredHeight * ASPECT_RATIO_WIDTH / ASPECT_RATIO_HEIGHT).roundToInt()
-				MeasureSpec.makeMeasureSpec(
-					(originalHeight * ASPECT_RATIO_WIDTH / ASPECT_RATIO_HEIGHT).toInt(),
-					MeasureSpec.EXACTLY
-				),
-				MeasureSpec.makeMeasureSpec(originalHeight, MeasureSpec.EXACTLY)
-			)
 		} else {
-			val originalWidth = MeasureSpec.getSize(widthMeasureSpec)
+			desiredWidth = measuredWidth
-			super.onMeasure(
+			desiredHeight = (desiredWidth * ASPECT_RATIO_HEIGHT / ASPECT_RATIO_WIDTH).roundToInt()
-				MeasureSpec.makeMeasureSpec(originalWidth, MeasureSpec.EXACTLY),
-				MeasureSpec.makeMeasureSpec(
-					(originalWidth * ASPECT_RATIO_HEIGHT / ASPECT_RATIO_WIDTH).toInt(),
-					MeasureSpec.EXACTLY
-				)
-			)
 		}
-	}
+		setMeasuredDimension(desiredWidth, desiredHeight)
-
-	companion object {
-
-		const val VERTICAL = LinearLayout.VERTICAL
-		const val HORIZONTAL = LinearLayout.HORIZONTAL
-
-		private const val ASPECT_RATIO_HEIGHT = 18f
-		private const val ASPECT_RATIO_WIDTH = 13f
 	}
 }

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

@@ -0,0 +1,133 @@
+/*
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+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.FrameLayout
+import androidx.annotation.ColorInt
+import androidx.annotation.StringRes
+import androidx.core.graphics.drawable.DrawableCompat
+import androidx.core.view.postDelayed
+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_MS = 1_500L
+private const val LONG_DURATION_MS = 2_750L
+
+/**
+ * A custom snackbar implementation allowing more control over placement and entry/exit animations.
+ *
+ * Xtimms: Well, my sufferings over the Snackbar in [DetailsActivity] will go away forever... Thanks, Google.
+ *
+ * https://github.com/google/iosched/blob/main/mobile/src/main/java/com/google/samples/apps/iosched/widget/FadingSnackbar.kt
+ */
+class FadingSnackbar @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+	defStyleAttr: Int = 0,
+) : FrameLayout(context, attrs, defStyleAttr) {
+
+	private val binding = FadingSnackbarLayoutBinding.inflate(LayoutInflater.from(context), this)
+
+	init {
+		binding.snackbarLayout.background = createThemedBackground()
+	}
+
+	fun dismiss() {
+		if (visibility == VISIBLE && alpha == 1f) {
+			animate()
+				.alpha(0f)
+				.withEndAction { visibility = GONE }
+				.duration = EXIT_DURATION
+		}
+	}
+
+	fun show(
+		messageText: CharSequence?,
+		@StringRes actionId: Int = 0,
+		duration: Int = Snackbar.LENGTH_SHORT,
+		onActionClick: (FadingSnackbar.() -> Unit)? = null,
+		onDismiss: (() -> Unit)? = null,
+	) {
+		binding.snackbarText.text = messageText
+		if (actionId != 0) {
+			with(binding.snackbarAction) {
+				visibility = VISIBLE
+				text = context.getString(actionId)
+				setOnClickListener {
+					onActionClick?.invoke(this@FadingSnackbar) ?: dismiss()
+				}
+			}
+		} else {
+			binding.snackbarAction.visibility = GONE
+		}
+		alpha = 0f
+		visibility = VISIBLE
+		animate()
+			.alpha(1f)
+			.duration = ENTER_DURATION
+		if (duration == Snackbar.LENGTH_INDEFINITE) {
+			return
+		}
+		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/base/ui/widgets/ListItemTextView.kt

@@ -0,0 +1,124 @@
+package org.koitharu.kotatsu.base.ui.widgets
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.res.ColorStateList
+import android.content.res.TypedArray
+import android.graphics.Color
+import android.graphics.drawable.Drawable
+import android.graphics.drawable.InsetDrawable
+import android.graphics.drawable.RippleDrawable
+import android.graphics.drawable.ShapeDrawable
+import android.graphics.drawable.shapes.RectShape
+import android.util.AttributeSet
+import androidx.annotation.AttrRes
+import androidx.appcompat.widget.AppCompatCheckedTextView
+import androidx.core.content.withStyledAttributes
+import com.google.android.material.ripple.RippleUtils
+import com.google.android.material.shape.MaterialShapeDrawable
+import com.google.android.material.shape.ShapeAppearanceModel
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.utils.ext.getThemeColorStateList
+
+@SuppressLint("RestrictedApi")
+class ListItemTextView @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+	@AttrRes defStyleAttr: Int = R.attr.listItemTextViewStyle,
+) : AppCompatCheckedTextView(context, attrs, defStyleAttr) {
+
+	private var checkedDrawableStart: Drawable? = null
+	private var checkedDrawableEnd: Drawable? = null
+	private var isInitialized = false
+	private var isCheckDrawablesVisible: Boolean = false
+	private var defaultPaddingStart: Int = 0
+	private var defaultPaddingEnd: Int = 0
+
+	init {
+		context.withStyledAttributes(attrs, R.styleable.ListItemTextView, defStyleAttr) {
+			val itemRippleColor = getRippleColor(context)
+			val shape = createShapeDrawable(this)
+			background = RippleDrawable(
+				RippleUtils.sanitizeRippleDrawableColor(itemRippleColor),
+				shape,
+				ShapeDrawable(RectShape()),
+			)
+			checkedDrawableStart = getDrawable(R.styleable.ListItemTextView_checkedDrawableStart)
+			checkedDrawableEnd = getDrawable(R.styleable.ListItemTextView_checkedDrawableEnd)
+		}
+		checkedDrawableStart?.setTintList(textColors)
+		checkedDrawableEnd?.setTintList(textColors)
+		defaultPaddingStart = paddingStart
+		defaultPaddingEnd = paddingEnd
+		isInitialized = true
+		adjustCheckDrawables()
+	}
+
+	override fun refreshDrawableState() {
+		super.refreshDrawableState()
+		adjustCheckDrawables()
+	}
+
+	override fun setTextColor(colors: ColorStateList?) {
+		checkedDrawableStart?.setTintList(colors)
+		checkedDrawableEnd?.setTintList(colors)
+		super.setTextColor(colors)
+	}
+
+	override fun setPaddingRelative(start: Int, top: Int, end: Int, bottom: Int) {
+		defaultPaddingStart = start
+		defaultPaddingEnd = end
+		super.setPaddingRelative(start, top, end, bottom)
+	}
+
+	override fun setPadding(left: Int, top: Int, right: Int, bottom: Int) {
+		val isRtl = layoutDirection == LAYOUT_DIRECTION_RTL
+		defaultPaddingStart = if (isRtl) right else left
+		defaultPaddingEnd = if (isRtl) left else right
+		super.setPadding(left, top, right, bottom)
+	}
+
+	private fun adjustCheckDrawables() {
+		if (isInitialized && isCheckDrawablesVisible != isChecked) {
+			setCompoundDrawablesRelativeWithIntrinsicBounds(
+				if (isChecked) checkedDrawableStart else null,
+				null,
+				if (isChecked) checkedDrawableEnd else null,
+				null,
+			)
+			super.setPaddingRelative(
+				if (isChecked && checkedDrawableStart != null) {
+					defaultPaddingStart + compoundDrawablePadding
+				} else defaultPaddingStart,
+				paddingTop,
+				if (isChecked && checkedDrawableEnd != null) {
+					defaultPaddingEnd + compoundDrawablePadding
+				} else defaultPaddingEnd,
+				paddingBottom,
+			)
+			isCheckDrawablesVisible = isChecked
+		}
+	}
+
+	private fun createShapeDrawable(ta: TypedArray): InsetDrawable {
+		val shapeAppearance = ShapeAppearanceModel.builder(
+			context,
+			ta.getResourceId(R.styleable.ListItemTextView_shapeAppearance, 0),
+			ta.getResourceId(R.styleable.ListItemTextView_shapeAppearanceOverlay, 0),
+		).build()
+		val shapeDrawable = MaterialShapeDrawable(shapeAppearance)
+		shapeDrawable.fillColor = ta.getColorStateList(R.styleable.ListItemTextView_backgroundFillColor)
+		return InsetDrawable(
+			shapeDrawable,
+			ta.getDimensionPixelOffset(R.styleable.ListItemTextView_android_insetLeft, 0),
+			ta.getDimensionPixelOffset(R.styleable.ListItemTextView_android_insetTop, 0),
+			ta.getDimensionPixelOffset(R.styleable.ListItemTextView_android_insetRight, 0),
+			ta.getDimensionPixelOffset(R.styleable.ListItemTextView_android_insetBottom, 0),
+		)
+	}
+
+	private fun getRippleColor(context: Context): ColorStateList {
+		return context.getThemeColorStateList(android.R.attr.colorControlHighlight)
+			?: ColorStateList.valueOf(Color.TRANSPARENT)
+	}
+}

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

@@ -0,0 +1,29 @@
+package org.koitharu.kotatsu.base.ui.widgets
+
+import android.content.Context
+import android.text.Selection
+import android.text.Spannable
+import android.util.AttributeSet
+import android.view.MotionEvent
+import androidx.annotation.AttrRes
+import com.google.android.material.textview.MaterialTextView
+
+class SelectableTextView @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+	@AttrRes defStyleAttr: Int = android.R.attr.textViewStyle,
+) : MaterialTextView(context, attrs, defStyleAttr) {
+
+	override fun dispatchTouchEvent(event: MotionEvent?): Boolean {
+		fixSelectionRange()
+		return super.dispatchTouchEvent(event)
+	}
+
+	// https://stackoverflow.com/questions/22810147/error-when-selecting-text-from-textview-java-lang-indexoutofboundsexception-se
+	private fun fixSelectionRange() {
+		if (selectionStart < 0 || selectionEnd < 0) {
+			val spannableText = text as? Spannable ?: return
+			Selection.setSelection(spannableText, text.length)
+		}
+	}
+}

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

@@ -0,0 +1,72 @@
+package org.koitharu.kotatsu.base.ui.widgets
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.util.AttributeSet
+import android.view.Gravity
+import android.view.View
+import android.view.WindowInsets
+import android.widget.FrameLayout
+import android.widget.LinearLayout
+import androidx.annotation.AttrRes
+import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.core.view.WindowInsetsCompat
+
+class WindowInsetHolder @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+	@AttrRes defStyleAttr: Int = 0,
+) : View(context, attrs, defStyleAttr) {
+
+	private var desiredHeight = 0
+	private var desiredWidth = 0
+
+	@SuppressLint("RtlHardcoded")
+	override fun dispatchApplyWindowInsets(insets: WindowInsets): WindowInsets {
+		val barsInsets = WindowInsetsCompat.toWindowInsetsCompat(insets, this)
+			.getInsets(WindowInsetsCompat.Type.systemBars())
+		val gravity = getLayoutGravity()
+		val newWidth = when (gravity and Gravity.HORIZONTAL_GRAVITY_MASK) {
+			Gravity.LEFT -> barsInsets.left
+			Gravity.RIGHT -> barsInsets.right
+			else -> 0
+		}
+		val newHeight = when (gravity and Gravity.VERTICAL_GRAVITY_MASK) {
+			Gravity.TOP -> barsInsets.top
+			Gravity.BOTTOM -> barsInsets.bottom
+			else -> 0
+		}
+		if (newWidth != desiredWidth || newHeight != desiredHeight) {
+			desiredWidth = newWidth
+			desiredHeight = newHeight
+			requestLayout()
+		}
+		return super.dispatchApplyWindowInsets(insets)
+	}
+
+	override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+		val widthMode = MeasureSpec.getMode(widthMeasureSpec)
+		val heightMode = MeasureSpec.getMode(heightMeasureSpec)
+		super.onMeasure(
+			if (desiredWidth == 0 || widthMode == MeasureSpec.EXACTLY) {
+				widthMeasureSpec
+			} else {
+				MeasureSpec.makeMeasureSpec(desiredWidth, widthMode)
+			},
+			if (desiredHeight == 0 || heightMode == MeasureSpec.EXACTLY) {
+				heightMeasureSpec
+			} else {
+				MeasureSpec.makeMeasureSpec(desiredHeight, heightMode)
+			},
+		)
+	}
+
+	private fun getLayoutGravity(): Int {
+		return when (val lp = layoutParams) {
+			is FrameLayout.LayoutParams -> lp.gravity
+			is LinearLayout.LayoutParams -> lp.gravity
+			is CoordinatorLayout.LayoutParams -> lp.gravity
+			else -> Gravity.NO_GRAVITY
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/bookmarks/BookmarksModule.kt

@@ -0,0 +1,10 @@
+package org.koitharu.kotatsu.bookmarks
+
+import org.koin.dsl.module
+import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
+
+val bookmarksModule
+	get() = module {
+
+		factory { BookmarksRepository(get()) }
+	}

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

@@ -0,0 +1,29 @@
+package org.koitharu.kotatsu.bookmarks.data
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import org.koitharu.kotatsu.core.db.entity.MangaEntity
+
+@Entity(
+	tableName = "bookmarks",
+	primaryKeys = ["manga_id", "page_id"],
+	foreignKeys = [
+		ForeignKey(
+			entity = MangaEntity::class,
+			parentColumns = ["manga_id"],
+			childColumns = ["manga_id"],
+			onDelete = ForeignKey.CASCADE
+		),
+	]
+)
+data class BookmarkEntity(
+	@ColumnInfo(name = "manga_id", index = true) val mangaId: Long,
+	@ColumnInfo(name = "page_id", index = true) val pageId: Long,
+	@ColumnInfo(name = "chapter_id") val chapterId: Long,
+	@ColumnInfo(name = "page") val page: Int,
+	@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/BookmarkWithManga.kt

@@ -0,0 +1,23 @@
+package org.koitharu.kotatsu.bookmarks.data
+
+import androidx.room.Embedded
+import androidx.room.Junction
+import androidx.room.Relation
+import org.koitharu.kotatsu.core.db.entity.MangaEntity
+import org.koitharu.kotatsu.core.db.entity.MangaTagsEntity
+import org.koitharu.kotatsu.core.db.entity.TagEntity
+
+class BookmarkWithManga(
+	@Embedded val bookmark: BookmarkEntity,
+	@Relation(
+		parentColumn = "manga_id",
+		entityColumn = "manga_id"
+	)
+	val manga: MangaEntity,
+	@Relation(
+		parentColumn = "manga_id",
+		entityColumn = "tag_id",
+		associateBy = Junction(MangaTagsEntity::class)
+	)
+	val tags: List<TagEntity>,
+)

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

@@ -0,0 +1,26 @@
+package org.koitharu.kotatsu.bookmarks.data
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+abstract class BookmarksDao {
+
+	@Query("SELECT * FROM bookmarks WHERE manga_id = :mangaId AND chapter_id = :chapterId AND page = :page")
+	abstract fun observe(mangaId: Long, chapterId: Long, page: Int): Flow<BookmarkEntity?>
+
+	@Query("SELECT * FROM bookmarks WHERE manga_id = :mangaId ORDER BY created_at DESC")
+	abstract fun observe(mangaId: Long): Flow<List<BookmarkEntity>>
+
+	@Insert
+	abstract suspend fun insert(entity: BookmarkEntity)
+
+	@Delete
+	abstract suspend fun delete(entity: BookmarkEntity)
+
+	@Query("DELETE FROM bookmarks WHERE manga_id = :mangaId AND page_id = :pageId")
+	abstract suspend fun delete(mangaId: Long, pageId: Long)
+}

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

@@ -0,0 +1,33 @@
+package org.koitharu.kotatsu.bookmarks.data
+
+import org.koitharu.kotatsu.bookmarks.domain.Bookmark
+import org.koitharu.kotatsu.core.db.entity.toManga
+import org.koitharu.kotatsu.core.db.entity.toMangaTags
+import org.koitharu.kotatsu.parsers.model.Manga
+import java.util.*
+
+fun BookmarkWithManga.toBookmark() = bookmark.toBookmark(
+	manga.toManga(tags.toMangaTags())
+)
+
+fun BookmarkEntity.toBookmark(manga: Manga) = Bookmark(
+	manga = manga,
+	pageId = pageId,
+	chapterId = chapterId,
+	page = page,
+	scroll = scroll,
+	imageUrl = imageUrl,
+	createdAt = Date(createdAt),
+	percent = percent,
+)
+
+fun Bookmark.toEntity() = BookmarkEntity(
+	mangaId = manga.id,
+	pageId = pageId,
+	chapterId = chapterId,
+	page = page,
+	scroll = scroll,
+	imageUrl = imageUrl,
+	createdAt = createdAt.time,
+	percent = percent,
+)

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

@@ -0,0 +1,46 @@
+package org.koitharu.kotatsu.bookmarks.domain
+
+import org.koitharu.kotatsu.parsers.model.Manga
+import java.util.*
+
+class Bookmark(
+	val manga: Manga,
+	val pageId: Long,
+	val chapterId: Long,
+	val page: Int,
+	val scroll: Int,
+	val imageUrl: String,
+	val createdAt: Date,
+	val percent: Float,
+) {
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as Bookmark
+
+		if (manga != other.manga) return false
+		if (pageId != other.pageId) return false
+		if (chapterId != other.chapterId) return false
+		if (page != other.page) return false
+		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
+	}
+
+	override fun hashCode(): Int {
+		var result = manga.hashCode()
+		result = 31 * result + pageId.hashCode()
+		result = 31 * result + chapterId.hashCode()
+		result = 31 * result + page
+		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/bookmarks/domain/BookmarksRepository.kt

@@ -0,0 +1,38 @@
+package org.koitharu.kotatsu.bookmarks.domain
+
+import androidx.room.withTransaction
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import org.koitharu.kotatsu.bookmarks.data.toBookmark
+import org.koitharu.kotatsu.bookmarks.data.toEntity
+import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.core.db.entity.toEntities
+import org.koitharu.kotatsu.core.db.entity.toEntity
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.utils.ext.mapItems
+
+class BookmarksRepository(
+	private val db: MangaDatabase,
+) {
+
+	fun observeBookmark(manga: Manga, chapterId: Long, page: Int): Flow<Bookmark?> {
+		return db.bookmarksDao.observe(manga.id, chapterId, page).map { it?.toBookmark(manga) }
+	}
+
+	fun observeBookmarks(manga: Manga): Flow<List<Bookmark>> {
+		return db.bookmarksDao.observe(manga.id).mapItems { it.toBookmark(manga) }
+	}
+
+	suspend fun addBookmark(bookmark: Bookmark) {
+		db.withTransaction {
+			val tags = bookmark.manga.tags.toEntities()
+			db.tagsDao.upsert(tags)
+			db.mangaDao.upsert(bookmark.manga.toEntity(), tags)
+			db.bookmarksDao.insert(bookmark.toEntity())
+		}
+	}
+
+	suspend fun removeBookmark(mangaId: Long, pageId: Long) {
+		db.bookmarksDao.delete(mangaId, pageId)
+	}
+}

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

@@ -0,0 +1,44 @@
+package org.koitharu.kotatsu.bookmarks.ui
+
+import androidx.lifecycle.LifecycleOwner
+import coil.ImageLoader
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.list.AdapterDelegateClickListenerAdapter
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.bookmarks.domain.Bookmark
+import org.koitharu.kotatsu.databinding.ItemBookmarkBinding
+import org.koitharu.kotatsu.utils.ext.disposeImageRequest
+import org.koitharu.kotatsu.utils.ext.enqueueWith
+import org.koitharu.kotatsu.utils.ext.newImageRequest
+import org.koitharu.kotatsu.utils.ext.referer
+
+fun bookmarkListAD(
+	coil: ImageLoader,
+	lifecycleOwner: LifecycleOwner,
+	clickListener: OnListItemClickListener<Bookmark>,
+) = adapterDelegateViewBinding<Bookmark, Bookmark, ItemBookmarkBinding>(
+	{ inflater, parent -> ItemBookmarkBinding.inflate(inflater, parent, false) }
+) {
+
+	val listener = AdapterDelegateClickListenerAdapter(this, clickListener)
+
+	binding.root.setOnClickListener(listener)
+	binding.root.setOnLongClickListener(listener)
+
+	bind {
+		binding.imageViewThumb.newImageRequest(item.imageUrl)?.run {
+			referer(item.manga.publicUrl)
+			placeholder(R.drawable.ic_placeholder)
+			fallback(R.drawable.ic_placeholder)
+			error(R.drawable.ic_placeholder)
+			allowRgb565(true)
+			lifecycle(lifecycleOwner)
+			enqueueWith(coil)
+		}
+	}
+
+	onViewRecycled {
+		binding.imageViewThumb.disposeImageRequest()
+	}
+}

app/src/main/java/org/koitharu/kotatsu/bookmarks/ui/BookmarksAdapter.kt

@@ -0,0 +1,30 @@
+package org.koitharu.kotatsu.bookmarks.ui
+
+import androidx.lifecycle.LifecycleOwner
+import androidx.recyclerview.widget.DiffUtil
+import coil.ImageLoader
+import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.bookmarks.domain.Bookmark
+
+class BookmarksAdapter(
+	coil: ImageLoader,
+	lifecycleOwner: LifecycleOwner,
+	clickListener: OnListItemClickListener<Bookmark>,
+) : AsyncListDifferDelegationAdapter<Bookmark>(
+	DiffCallback(),
+	bookmarkListAD(coil, lifecycleOwner, clickListener)
+) {
+
+	private class DiffCallback : DiffUtil.ItemCallback<Bookmark>() {
+
+		override fun areItemsTheSame(oldItem: Bookmark, newItem: Bookmark): Boolean {
+			return oldItem.manga.id == newItem.manga.id && oldItem.chapterId == newItem.chapterId
+		}
+
+		override fun areContentsTheSame(oldItem: Bookmark, newItem: Bookmark): Boolean {
+			return oldItem.imageUrl == newItem.imageUrl
+		}
+
+	}
+}

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

@@ -11,8 +11,10 @@ import android.view.MenuItem
 import androidx.core.graphics.Insets
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
+import com.google.android.material.R as materialR
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseActivity
+import org.koitharu.kotatsu.core.network.UserAgentInterceptor
 import org.koitharu.kotatsu.databinding.ActivityBrowserBinding
 
 @SuppressLint("SetJavaScriptEnabled")
@@ -23,12 +25,17 @@ class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback
 		setContentView(ActivityBrowserBinding.inflate(layoutInflater))
 		supportActionBar?.run {
 			setDisplayHomeAsUpEnabled(true)
-			setHomeAsUpIndicator(R.drawable.ic_cross)
+			setHomeAsUpIndicator(materialR.drawable.abc_ic_clear_material)
 		}
 		with(binding.webView.settings) {
 			javaScriptEnabled = true
+			userAgentString = UserAgentInterceptor.userAgent
 		}
 		binding.webView.webViewClient = BrowserClient(this)
+		binding.webView.webChromeClient = ProgressChromeClient(binding.progressBar)
+		if (savedInstanceState != null) {
+			return
+		}
 		val url = intent?.dataString
 		if (url.isNullOrEmpty()) {
 			finishAfterTransition()
@@ -41,7 +48,17 @@ class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback
 		}
 	}
 
-	override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+	override fun onSaveInstanceState(outState: Bundle) {
+		super.onSaveInstanceState(outState)
+		binding.webView.saveState(outState)
+	}
+
+	override fun onRestoreInstanceState(savedInstanceState: Bundle) {
+		super.onRestoreInstanceState(savedInstanceState)
+		binding.webView.restoreState(savedInstanceState)
+	}
+
+	override fun onCreateOptionsMenu(menu: Menu): Boolean {
 		menuInflater.inflate(R.menu.opt_browser, menu)
 		return super.onCreateOptionsMenu(menu)
 	}
@@ -82,6 +99,11 @@ class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback
 		binding.webView.onResume()
 	}
 
+	override fun onDestroy() {
+		super.onDestroy()
+		binding.webView.destroy()
+	}
+
 	override fun onLoadingStateChanged(isLoading: Boolean) {
 		binding.progressBar.isVisible = isLoading
 	}
@@ -92,8 +114,16 @@ class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback
 	}
 
 	override fun onWindowInsetsChanged(insets: Insets) {
-		binding.appbar.updatePadding(top = insets.top)
+		binding.appbar.updatePadding(
-		binding.webView.updatePadding(bottom = insets.bottom)
+			top = insets.top,
+			left = insets.left,
+			right = insets.right,
+		)
+		binding.root.updatePadding(
+			left = insets.left,
+			right = insets.right,
+			bottom = insets.bottom,
+		)
 	}
 
 	companion object {

app/src/main/java/org/koitharu/kotatsu/browser/BrowserClient.kt

@@ -1,17 +1,10 @@
 package org.koitharu.kotatsu.browser
 
 import android.graphics.Bitmap
-import android.webkit.WebResourceResponse
 import android.webkit.WebView
-import okhttp3.OkHttpClient
+import android.webkit.WebViewClient
-import okhttp3.Request
-import org.koin.core.component.KoinComponent
-import org.koin.core.component.inject
-import org.koitharu.kotatsu.core.network.WebViewClientCompat
 
-class BrowserClient(private val callback: BrowserCallback) : WebViewClientCompat(), KoinComponent {
+class BrowserClient(private val callback: BrowserCallback) : WebViewClient() {
-
-	private val okHttp by inject<OkHttpClient>()
 
 	override fun onPageFinished(webView: WebView, url: String) {
 		super.onPageFinished(webView, url)
@@ -27,19 +20,4 @@ class BrowserClient(private val callback: BrowserCallback) : WebViewClientCompat
 		super.onPageCommitVisible(view, url)
 		callback.onTitleChanged(view.title.orEmpty(), url)
 	}
-
-	override fun shouldInterceptRequestCompat(view: WebView, url: String): WebResourceResponse? {
-		return runCatching {
-			val request = Request.Builder()
-				.url(url)
-				.build()
-			val response = okHttp.newCall(request).execute()
-			val ct = response.body?.contentType()
-			WebResourceResponse(
-				"${ct?.type}/${ct?.subtype}",
-				ct?.charset()?.name() ?: "utf-8",
-				response.body?.byteStream()
-			)
-		}.getOrNull()
-	}
 }

app/src/main/java/org/koitharu/kotatsu/browser/ProgressChromeClient.kt

@@ -0,0 +1,31 @@
+package org.koitharu.kotatsu.browser
+
+import android.webkit.WebChromeClient
+import android.webkit.WebView
+import android.widget.ProgressBar
+import androidx.core.view.isVisible
+import org.koitharu.kotatsu.utils.ext.setProgressCompat
+
+private const val PROGRESS_MAX = 100
+
+class ProgressChromeClient(
+	private val progressIndicator: ProgressBar,
+) : WebChromeClient() {
+
+	init {
+		progressIndicator.max = PROGRESS_MAX
+	}
+
+	override fun onProgressChanged(view: WebView?, newProgress: Int) {
+		super.onProgressChanged(view, newProgress)
+		if (!progressIndicator.isVisible) {
+			return
+		}
+		if (newProgress in 1 until PROGRESS_MAX) {
+			progressIndicator.isIndeterminate = false
+			progressIndicator.setProgressCompat(newProgress.coerceAtMost(PROGRESS_MAX), true)
+		} else {
+			progressIndicator.isIndeterminate = true
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/browser/cloudflare/CloudFlareClient.kt

@@ -2,19 +2,19 @@ package org.koitharu.kotatsu.browser.cloudflare
 
 import android.graphics.Bitmap
 import android.webkit.WebView
+import android.webkit.WebViewClient
 import okhttp3.HttpUrl.Companion.toHttpUrl
 import org.koitharu.kotatsu.core.network.AndroidCookieJar
-import org.koitharu.kotatsu.core.network.WebViewClientCompat
+
+private const val CF_CLEARANCE = "cf_clearance"
 
 class CloudFlareClient(
 	private val cookieJar: AndroidCookieJar,
 	private val callback: CloudFlareCallback,
-	private val targetUrl: String
+	private val targetUrl: String,
-) : WebViewClientCompat() {
+) : WebViewClient() {
 
-	init {
+	private val oldClearance = getClearance()
-		cookieJar.remove(targetUrl, CF_UID, CF_CLEARANCE)
-	}
 
 	override fun onPageStarted(view: WebView, url: String?, favicon: Bitmap?) {
 		super.onPageStarted(view, url, favicon)
@@ -32,16 +32,14 @@ class CloudFlareClient(
 	}
 
 	private fun checkClearance() {
-		val cookies = cookieJar.loadForRequest(targetUrl.toHttpUrl())
+		val clearance = getClearance()
-		if (cookies.any { it.name == CF_CLEARANCE }) {
+		if (clearance != null && clearance != oldClearance) {
 			callback.onCheckPassed()
 		}
-
 	}
 
-	private companion object {
+	private fun getClearance(): String? {
-
+		return cookieJar.loadForRequest(targetUrl.toHttpUrl())
-		const val CF_UID = "__cfduid"
+			.find { it.name == CF_CLEARANCE }?.value
-		const val CF_CLEARANCE = "cf_clearance"
 	}
 }