Dependency update, added LocalActivity provider

Pupil-129 [Source] Implement in-app update

.gitignore

@@ -1,19 +1,33 @@
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log/OS Files
+*.log
+
+# Android Studio generated files and folders
+captures/
+.externalNativeBuild/
+.cxx/
+*.apk
+output.json
+
+# IntelliJ
 *.iml
-.gradle
-/local.properties
-/.idea/caches
-/.idea/libraries
-/.idea/modules.xml
-/.idea/workspace.xml
-/.idea/navEditor.xml
-/.idea/assetWizardSettings.xml
-.DS_Store
-/build
-/captures
-.externalNativeBuild
+.idea/
+misc.xml
+deploymentTargetDropDown.xml
+render.experimental.xml
 
-#Github pages
-/gh-pages
+# Keystore files
+*.jks
+*.keystore
 
-#Private files
-**/google-services.json
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Android Profiling
+*.hprof

.idea/codeStyles/Project.xml

@@ -1,126 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <option name="RIGHT_MARGIN" value="120" />
-    <AndroidXmlCodeStyleSettings>
-      <option name="ARRANGEMENT_SETTINGS_MIGRATED_TO_191" value="true" />
-    </AndroidXmlCodeStyleSettings>
-    <JetCodeStyleSettings>
-      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
-    </JetCodeStyleSettings>
-    <codeStyleSettings language="XML">
-      <indentOptions>
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-      </indentOptions>
-      <arrangement>
-        <rules>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>xmlns:android</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>xmlns:.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:id</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:name</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>name</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>style</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>ANDROID_ATTRIBUTE_ORDER</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>.*</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-        </rules>
-      </arrangement>
-    </codeStyleSettings>
-    <codeStyleSettings language="kotlin">
-      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
-    </codeStyleSettings>
-  </code_scheme>
-</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -1,5 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <state>
-    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
-  </state>
-</component>

.idea/copyright/Apache.xml

@@ -1,6 +0,0 @@
-<component name="CopyrightManager">
-  <copyright>
-    <option name="notice" value="   Copyright &amp;#36;today.year tom5079&#10;&#10;   Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);&#10;   you may not use this file except in compliance with the License.&#10;   You may obtain a copy of the License at&#10;&#10;     http://www.apache.org/licenses/LICENSE-2.0&#10;&#10;   Unless required by applicable law or agreed to in writing, software&#10;   distributed under the License is distributed on an &quot;AS IS&quot; BASIS,&#10;   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.&#10;   See the License for the specific language governing permissions and&#10;   limitations under the License." />
-    <option name="myName" value="Apache" />
-  </copyright>
-</component>

.idea/copyright/GPL.xml

@@ -1,6 +0,0 @@
-<component name="CopyrightManager">
-  <copyright>
-    <option name="notice" value="    Pupil, Hitomi.la viewer for Android&#10;    Copyright (C) &amp;#36;today.year  tom5079&#10;&#10;    This program is free software: you can redistribute it and/or modify&#10;    it under the terms of the GNU General Public License as published by&#10;    the Free Software Foundation, either version 3 of the License, or&#10;    (at your option) any later version.&#10;&#10;    This program is distributed in the hope that it will be useful,&#10;    but WITHOUT ANY WARRANTY; without even the implied warranty of&#10;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the&#10;    GNU General Public License for more details.&#10;&#10;    You should have received a copy of the GNU General Public License&#10;    along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;." />
-    <option name="myName" value="GPL" />
-  </copyright>
-</component>

.idea/copyright/profiles_settings.xml

@@ -1,8 +0,0 @@
-<component name="CopyrightManager">
-  <settings>
-    <module2copyright>
-      <element module="Pupil" copyright="GPL" />
-      <element module="libpupil" copyright="Apache" />
-    </module2copyright>
-  </settings>
-</component>

.idea/encodings.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
-</project>

.idea/gradle.xml

@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GradleSettings">
-    <option name="linkedExternalProjectsSettings">
-      <GradleProjectSettings>
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-            <option value="$PROJECT_DIR$/app" />
-            <option value="$PROJECT_DIR$/libpupil" />
-          </set>
-        </option>
-        <option name="resolveModulePerSourceSet" value="false" />
-      </GradleProjectSettings>
-    </option>
-  </component>
-</project>

.idea/kotlinCodeInsightSettings.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="KotlinCodeInsightWorkspaceSettings">
-    <option name="addUnambiguousImportsOnTheFly" value="true" />
-    <option name="optimizeImportsOnTheFly" value="true" />
-  </component>
-</project>

.idea/kotlinc.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Kotlin2JvmCompilerArguments">
-    <option name="jvmTarget" value="1.8" />
-  </component>
-</project>

.idea/misc.xml

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
-</project>

.idea/runConfigurations.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>

.idea/scopes/Pupil.xml

@@ -1,3 +0,0 @@
-<component name="DependencyValidationManager">
-  <scope name="Pupil" pattern="file[app]:*/" />
-</component>

.idea/scopes/libpupil.xml

@@ -1,3 +0,0 @@
-<component name="DependencyValidationManager">
-  <scope name="libpupil" pattern="file[libpupil]:*/" />
-</component>

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>

README.md

@@ -1,19 +1,12 @@
-# Pupil
-
 ![Banner](https://github.com/tom5079/Pupil/blob/gh-pages/assets/images/pupil-banner.png?raw=true)
 *Pupil, Hitomi.la viewer for Android*  
 
+![](https://img.shields.io/github/downloads/tom5079/Pupil/total)  
+[![](https://img.shields.io/github/downloads/tom5079/Pupil/5.1.6-hotfix7/Pupil-v5.1.6-hotfix7.apk?color=%234fc3f7&label=DOWNLOAD%20APP&style=for-the-badge)](https://github.com/tom5079/Pupil/releases/download/5.1.6-hotfix7/Pupil-v5.1.6-hotfix7.apk)  
 [![](https://discordapp.com/api/guilds/610452916612104194/embed.png?style=banner2)](https://discord.gg/Stj4b5v)  
-I can speak English, Japanese and Korean. If you have any questions, head over to my discord server or DM me!
 
-# Screenshot
-![Main Screen](https://github.com/tom5079/Pupil/blob/gh-pages/assets/images/main-screenshot.png?raw=true)
-*Main Screen*
-
-![Reader Screen](https://github.com/tom5079/Pupil/blob/gh-pages/assets/images/reader-screenshot.png?raw=true)
-*Reader Screen*
-
-Images are censored to be SFW
+# Features
+![Main Screen](https://github.com/tom5079/Pupil/blob/gh-pages/assets/images/main-screenshot.jpg?raw=true)
 
 # Installation
 
@@ -28,3 +21,6 @@ or Build app yourself
 # Contribution
 
 Any kind of contribution is appriciated. Feel free to leave PR!
+
+## Tag Translation
+Head over to [tags branch](https://github.com/tom5079/Pupil/tree/tags)

app/build.gradle

@@ -1,99 +0,0 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-kapt'
-apply plugin: 'kotlin-android-extensions'
-apply plugin: 'kotlinx-serialization'
-
-if (file("google-services.json").exists() && file("src/debug/google-services.json").exists()) {
-    logger.lifecycle("Firebase Enabled")
-    apply plugin: 'com.google.gms.google-services'
-    apply plugin: 'io.fabric'
-    apply plugin: 'com.google.firebase.firebase-perf'
-} else {
-    logger.lifecycle("Firebase Disabled")
-}
-
-android {
-    compileSdkVersion 29
-    defaultConfig {
-        applicationId "xyz.quaver.pupil"
-        minSdkVersion 16
-        targetSdkVersion 29
-        versionCode 42
-        versionName "4.6"
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        multiDexEnabled true
-        vectorDrawables.useSupportLibrary = true
-    }
-    buildTypes {
-        debug {
-            debuggable true
-            applicationIdSuffix ".debug"
-            versionNameSuffix "-DEBUG"
-
-            buildConfigField('Boolean', 'CENSOR', 'false')
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-        }
-        release {
-            minifyEnabled true
-            shrinkResources true
-
-            buildConfigField('Boolean', 'CENSOR', 'false')
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-        }
-    }
-    kotlinOptions {
-        freeCompilerArgs += '-Xuse-experimental=kotlin.Experimental'
-    }
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-    buildToolsVersion = '29.0.2'
-}
-
-dependencies {
-    def markwonVersion = "3.0.1"
-
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.3'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.3'
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.14.0"
-    implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.preference:preference:1.1.0'
-    implementation 'androidx.gridlayout:gridlayout:1.0.0'
-    implementation "androidx.biometric:biometric:1.0.1"
-    implementation 'com.android.support:multidex:1.0.3'
-    implementation "com.daimajia.swipelayout:library:1.2.0@aar"
-    implementation 'com.google.android.material:material:1.2.0-alpha05'
-    implementation 'com.google.firebase:firebase-core:17.2.2'
-    implementation 'com.google.firebase:firebase-perf:19.0.5'
-    implementation 'com.crashlytics.sdk.android:crashlytics:2.10.1'
-    implementation 'com.github.arimorty:floatingsearchview:2.1.1'
-    implementation 'com.github.clans:fab:1.6.4'
-
-    implementation 'com.github.bumptech.glide:glide:4.11.0'
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'
-    kapt 'com.github.bumptech.glide:compiler:4.11.0'
-    implementation ("com.github.bumptech.glide:recyclerview-integration:4.11.0") {
-        transitive = false
-    }
-
-    implementation 'net.rdrei.android.dirchooser:library:3.2@aar'
-    implementation 'com.github.chrisbanes:PhotoView:2.3.0'
-    implementation 'com.andrognito.patternlockview:patternlockview:1.0.0'
-    implementation "ru.noties.markwon:core:${markwonVersion}"
-    testImplementation 'junit:junit:4.13'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'androidx.test:rules:1.2.0'
-    androidTestImplementation 'androidx.test:runner:1.2.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
-    implementation project(path: ':libpupil')
-}
-
-androidExtensions {
-    experimental = true
-}

app/build.gradle.kts

@@ -0,0 +1,183 @@
+import com.google.protobuf.gradle.*
+
+plugins {
+    id("com.android.application")
+    kotlin("android")
+    kotlin("kapt")
+    id("kotlin-parcelize")
+    id("kotlinx-serialization")
+    id("com.google.android.gms.oss-licenses-plugin")
+    id("com.google.gms.google-services")
+    id("com.google.firebase.crashlytics")
+    id("com.google.firebase.firebase-perf")
+    id("com.google.protobuf")
+}
+
+android {
+    compileSdk = 33
+
+    signingConfigs {
+        create("release") {
+            storeFile = File(System.getenv("SIGNING_STORE_FILE"))
+            storePassword = System.getenv("SIGNING_STORE_PASSWORD")
+            keyAlias = System.getenv("SIGNING_KEY_ALIAS")
+            keyPassword = System.getenv("SIGNING_KEY_PASSWORD")
+        }
+    }
+
+    defaultConfig {
+        applicationId = "xyz.quaver.pupil"
+        minSdk = 21
+        targetSdk = 33
+        versionCode = 600
+        versionName = VERSION
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        getByName("debug") {
+            isDebuggable = true
+            applicationIdSuffix = ".debug"
+            versionNameSuffix = "-DEBUG"
+
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+
+            extra.set("enableCrashlytics", false)
+            extra.set("alwaysUpdateBuildId", false)
+        }
+        getByName("release") {
+            isMinifyEnabled = false
+            applicationIdSuffix = ".beta"
+
+            isCrunchPngs = false
+
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+
+            signingConfig = signingConfigs.getByName("release")
+        }
+    }
+
+    buildFeatures {
+        compose = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = Versions.JETPACK_COMPOSE
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+        freeCompilerArgs += "-Xopt-in=kotlin.RequiresOptIn"
+    }
+
+    packagingOptions {
+        resources.excludes.addAll(
+            listOf(
+                "META-INF/AL2.0",
+                "META-INF/LGPL2.1"
+            )
+        )
+    }
+    namespace = "xyz.quaver.pupil"
+}
+
+dependencies {
+    implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.aar"))))
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+    implementation(Kotlin.SERIALIZATION)
+    implementation(Kotlin.COROUTINE)
+
+    implementation("androidx.activity:activity-compose:1.6.1")
+    implementation("androidx.navigation:navigation-compose:2.5.3")
+
+    implementation(JetpackCompose.FOUNDATION)
+    implementation(JetpackCompose.UI)
+    implementation(JetpackCompose.UI_UTIL)
+    implementation(JetpackCompose.UI_TOOLING)
+    implementation(JetpackCompose.ANIMATION)
+    implementation(JetpackCompose.MATERIAL)
+    implementation(JetpackCompose.MATERIAL_ICONS)
+    implementation(JetpackCompose.RUNTIME_LIVEDATA)
+
+//    implementation(JetpackCompose.MARKDOWN)
+
+    implementation(Accompanist.INSETS)
+    implementation(Accompanist.INSETS_UI)
+    implementation(Accompanist.FLOW_LAYOUT)
+    implementation(Accompanist.SYSTEM_UI_CONTROLLER)
+    implementation(Accompanist.DRAWABLE_PAINTER)
+    implementation(Accompanist.APPCOMPAT_THEME)
+
+    implementation("io.coil-kt:coil-compose:2.0.0-rc03")
+
+    implementation(KtorClient.CORE)
+    implementation(KtorClient.OKHTTP)
+    implementation(KtorClient.CONTENT_NEGOTIATION)
+    implementation(KtorClient.SERIALIZATION)
+
+    implementation("androidx.room:room-runtime:2.4.3")
+    annotationProcessor("androidx.room:room-compiler:2.4.3")
+    kapt("androidx.room:room-compiler:2.4.3")
+    implementation("androidx.room:room-ktx:2.4.3")
+
+    implementation("androidx.datastore:datastore:1.0.0")
+    implementation("androidx.datastore:datastore-preferences:1.0.0")
+
+    implementation("org.kodein.di:kodein-di-framework-compose:7.11.0")
+
+    implementation(platform("com.google.firebase:firebase-bom:29.0.3"))
+    implementation("com.google.firebase:firebase-analytics-ktx")
+    implementation("com.google.firebase:firebase-crashlytics-ktx")
+    implementation("com.google.firebase:firebase-perf-ktx")
+
+    implementation("com.google.protobuf:protobuf-javalite:3.19.1")
+
+    implementation("com.google.android.gms:play-services-oss-licenses:17.0.0")
+
+    implementation("org.jsoup:jsoup:1.14.3")
+
+    implementation("xyz.quaver.pupil.sources:core:0.0.1-alpha01-DEV29")
+
+    implementation("xyz.quaver:documentfilex:0.7.2")
+    implementation("xyz.quaver:subsampledimage:0.0.1-alpha22-SNAPSHOT")
+
+    implementation("org.kodein.log:kodein-log:0.12.0")
+    debugImplementation("com.squareup.leakcanary:leakcanary-android:2.8.1")
+
+    testImplementation("junit:junit:4.13.2")
+    testImplementation("org.mockito:mockito-inline:4.4.0")
+    testImplementation(KtorClient.TEST)
+    testImplementation(Kotlin.COROUTINE_TEST)
+
+    androidTestImplementation("androidx.test.ext:junit:1.1.3")
+    androidTestImplementation("androidx.test:rules:1.4.0")
+    androidTestImplementation("androidx.test:runner:1.4.0")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    androidTestImplementation(KtorClient.TEST)
+
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4:1.1.1")
+}
+
+protobuf {
+    protoc {
+        artifact = "com.google.protobuf:protoc:3.19.1"
+    }
+    generateProtoTasks {
+        all().forEach { task ->
+            task.builtins {
+                id("java") {
+                    option("lite")
+                }
+            }
+        }
+    }
+}
+
+task<Exec>("clearAppCache") {
+    commandLine("adb", "shell", "pm", "clear", "xyz.quaver.pupil.debug")
+}

app/credentials.json

@@ -0,0 +1 @@
+{"installed":{"client_id":"644157827114-rnbcmlqiaqgg295o45kavchnvi3dedbo.apps.googleusercontent.com","project_id":"pupil-1598439316578","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","redirect_uris":["urn:ietf:wg:oauth:2.0:oob","http://localhost"]}}

app/proguard-rules.pro

@@ -1,6 +1,6 @@
 # Add project specific ProGuard rules here.
 # You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
+# proguardFiles setting in build.gradle.kts.
 #
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
@@ -22,9 +22,24 @@
 
 -dontobfuscate
 
--keep public class * implements com.bumptech.glide.module.GlideModule
--keep public class * extends com.bumptech.glide.module.AppGlideModule
--keep public enum com.bumptech.glide.load.ImageHeaderParser$** {
-  **[] $VALUES;
-  public *;
+-keepattributes *Annotation*, InnerClasses
+-dontnote kotlinx.serialization.AnnotationsKt # core serialization annotations
+
+# kotlinx-serialization-json specific. Add this if you have java.lang.NoClassDefFoundError kotlinx.serialization.json.JsonObjectSerializer
+-keepclassmembers class kotlinx.serialization.json.** {
+    *** Companion;
+}
+-keepclasseswithmembers class kotlinx.serialization.json.** {
+    kotlinx.serialization.KSerializer serializer(...);
+}
+
+-keep,includedescriptorclasses class xyz.quaver.**$$serializer { *; }
+-keepclassmembers class xyz.quaver.** {
+    *** Companion;
+}
+-keepclasseswithmembers class xyz.quaver.** {
+    kotlinx.serialization.KSerializer serializer(...);
+}
+-keepclassmembers class * extends androidx.datastore.preferences.protobuf.GeneratedMessageLite {
+    <fields>;
 }

app/release/output-metadata.json

@@ -0,0 +1,20 @@
+{
+  "version": 3,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "xyz.quaver.pupil.beta",
+  "variantName": "release",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "attributes": [],
+      "versionCode": 600,
+      "versionName": "6.0.0-alpha02",
+      "outputFile": "app-release.apk"
+    }
+  ],
+  "elementType": "File"
+}

app/release/output.json

@@ -1 +0,0 @@
-[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":42,"versionName":"4.6","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]

app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt

@@ -21,22 +21,19 @@
 package xyz.quaver.pupil
 
 import android.util.Log
-import androidx.core.content.ContextCompat
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
-import androidx.test.rule.ActivityTestRule
+import com.google.api.Http
+import io.ktor.client.*
+import io.ktor.client.call.*
+import io.ktor.client.engine.okhttp.*
+import io.ktor.client.request.*
+import io.ktor.client.statement.*
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.withContext
 import org.junit.Test
 import org.junit.runner.RunWith
-import xyz.quaver.hiyobi.cookie
-import xyz.quaver.hiyobi.createImgList
-import xyz.quaver.hiyobi.getReader
-import xyz.quaver.hiyobi.user_agent
-import xyz.quaver.pupil.ui.LockActivity
-import xyz.quaver.pupil.util.download.Cache
-import xyz.quaver.pupil.util.download.DownloadWorker
-import java.net.URL
-import javax.net.ssl.HttpsURLConnection
 
 /**
  * Instrumented test, which will execute on an Android device.
@@ -51,63 +48,4 @@ class ExampleInstrumentedTest {
         // Context of the app under test.
         val appContext = InstrumentationRegistry.getInstrumentation().targetContext
     }
-
-    @Test
-    fun checkCacheDir() {
-        val activityTestRule = ActivityTestRule(LockActivity::class.java)
-        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
-
-        ContextCompat.getExternalFilesDirs(appContext, null).forEachIndexed { index, file ->
-            Log.i("PUPILD", "$index: ${file?.absolutePath}")
-        }
-    }
-
-    @Test
-    fun test_doSearch() {
-        val reader = getReader( 1426382)
-
-        val data: ByteArray
-
-        with(URL(createImgList(1426382, reader)[0].path).openConnection() as HttpsURLConnection) {
-            setRequestProperty("User-Agent", user_agent)
-            setRequestProperty("Cookie", cookie)
-
-            data = inputStream.readBytes()
-        }
-
-        Log.d("Pupil", data.size.toString())
-    }
-
-    @Test
-    fun test_downloadWorker() {
-        val context = InstrumentationRegistry.getInstrumentation().targetContext
-
-        val galleryID = 515515
-
-        val worker = DownloadWorker.getInstance(context)
-
-        worker.queue.add(galleryID)
-
-        while(worker.progress.indexOfKey(galleryID) < 0 || worker.progress[galleryID] != null) {
-            Log.i("PUPILD", worker.progress[galleryID]?.joinToString(" ") ?: "null")
-
-            if (worker.progress[galleryID]?.all { !it.isFinite() } == true)
-                break
-        }
-
-        Log.i("PUPILD", "DONE!!")
-    }
-
-    @Test
-    fun test_getReaderOrNull() {
-        val context = InstrumentationRegistry.getInstrumentation().targetContext
-
-        val galleryID = 1561552
-
-        runBlocking {
-            Log.i("PUPILD", Cache(context).getReader(galleryID)?.title ?: "null")
-        }
-
-        Log.i("PUPILD", Cache(context).getReaderOrNull(galleryID)?.title ?: "null")
-    }
 }

app/src/main/AndroidManifest.xml

@@ -1,13 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    package="xyz.quaver.pupil">
+    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="21"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="21"/>
+    <uses-permission android:name="android.permission.VIBRATE"/>
+    <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES" tools:ignore="QueryAllPackagesPermission" />
+
 
     <application
         android:name=".Pupil"
@@ -18,11 +20,13 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
+        android:networkSecurityConfig="@xml/network_security_config"
+        android:windowSoftInputMode="adjustResize"
         tools:replace="android:theme"
-        android:requestLegacyExternalStorage="true">
+        tools:ignore="UnusedAttribute">
 
         <provider
-            android:authorities="${applicationId}.provider"
+            android:authorities="${applicationId}.fileprovider"
             android:name="androidx.core.content.FileProvider"
             android:exported="false"
             android:grantUriPermissions="true">
@@ -30,96 +34,24 @@
             <meta-data
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/file_paths" />
-
         </provider>
 
-        <activity android:name=".ui.LockActivity" />
-        <activity
-            android:name=".ui.ReaderActivity"
-            android:configChanges="keyboardHidden|orientation|screenSize"
-            android:parentActivityName=".ui.MainActivity">
-            <intent-filter>
-                <action android:name="android.intent.action.VIEW" />
-
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE" />
-
-                <data
-                    android:host="hitomi.la"
-                    android:pathPrefix="/galleries"
-                    android:scheme="https" />
-            </intent-filter>
-            <intent-filter>
-                <action android:name="android.intent.action.VIEW" />
-
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE" />
-
-                <data
-                    android:host="hiyobi.me"
-                    android:pathPrefix="/reader"
-                    android:scheme="https" />
-            </intent-filter>
-            <intent-filter>
-                <action android:name="android.intent.action.VIEW" />
-
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE" />
-
-                <data
-                    android:host="e-hentai.org"
-                    android:pathPrefix="/g"
-                    android:scheme="https" />
-            </intent-filter>
-            <intent-filter>
-                <action android:name="android.intent.action.VIEW" />
-
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE" />
-
-                <data
-                    android:host="hitomi.la"
-                    android:pathPrefix="/galleries"
-                    android:scheme="http" />
-            </intent-filter>
-            <intent-filter>
-                <action android:name="android.intent.action.VIEW" />
-
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE" />
-
-                <data
-                    android:host="hiyobi.me"
-                    android:scheme="http"
-                    android:pathPrefix="/reader" />
-            </intent-filter>
-            <intent-filter>
-                <action android:name="android.intent.action.VIEW" />
-
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE" />
-
-                <data
-                    android:host="e-hentai.org"
-                    android:pathPrefix="/g"
-                    android:scheme="http" />
-            </intent-filter>
-        </activity>
-        <activity
-            android:name=".ui.SettingsActivity"
-            android:label="@string/settings_title" />
         <activity
             android:name=".ui.MainActivity"
             android:configChanges="keyboardHidden|orientation|screenSize"
-            android:theme="@style/NoActionBarAppTheme">
+            android:theme="@style/NoActionBarAppTheme"
+            android:exported="true"
+            android:windowSoftInputMode="adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.intent.action.VIEW" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+            </intent-filter>
         </activity>
-        <activity android:name="net.rdrei.android.dirchooser.DirectoryChooserActivity" />
     </application>
 
 </manifest>

app/src/main/java/xyz/quaver/pupil/Pupil.kt

@@ -18,49 +18,39 @@
 
 package xyz.quaver.pupil
 
+import android.app.Application
 import android.app.Notification
 import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.content.Context
 import android.os.Build
-import androidx.appcompat.app.AppCompatDelegate
-import androidx.core.content.ContextCompat
-import androidx.multidex.MultiDexApplication
-import androidx.preference.PreferenceManager
 import com.google.android.gms.common.GooglePlayServicesNotAvailableException
 import com.google.android.gms.common.GooglePlayServicesRepairableException
 import com.google.android.gms.security.ProviderInstaller
-import com.google.firebase.analytics.FirebaseAnalytics
-import xyz.quaver.proxy
-import xyz.quaver.pupil.util.Histories
-import xyz.quaver.pupil.util.getProxy
-import java.io.File
+import io.ktor.client.*
+import io.ktor.client.engine.okhttp.*
+import io.ktor.client.plugins.contentnegotiation.*
+import io.ktor.serialization.kotlinx.json.*
+import org.kodein.di.*
+import org.kodein.di.android.x.androidXModule
+import xyz.quaver.pupil.sources.core.NetworkCache
+import xyz.quaver.pupil.sources.core.settingsDataStore
+import xyz.quaver.pupil.util.PupilHttpClient
 
-class Pupil : MultiDexApplication() {
+class Pupil : Application(), DIAware {
 
-    lateinit var histories: Histories
-    lateinit var favorites: Histories
+    override val di: DI by DI.lazy {
+        import(androidXModule(this@Pupil))
 
-    init {
-        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
+        bind { singleton { NetworkCache(this@Pupil) } }
+
+        bindSingleton { settingsDataStore }
+
+        bind { singleton { PupilHttpClient(OkHttp.create()) } }
     }
 
     override fun onCreate() {
-        val preference = PreferenceManager.getDefaultSharedPreferences(this)
-
-        proxy = getProxy(this)
-
-        try {
-            preference.getString("dl_location", null)
-        } catch (e: Exception) {
-            preference.edit().remove("dl_location").apply()
-        }
-
-        histories = Histories(File(ContextCompat.getDataDir(this), "histories.json"))
-        favorites = Histories(File(ContextCompat.getDataDir(this), "favorites.json"))
-
-        if (BuildConfig.DEBUG)
-            FirebaseAnalytics.getInstance(this).setAnalyticsCollectionEnabled(false)
+        super.onCreate()
 
         try {
             ProviderInstaller.installIfNeeded(this)
@@ -72,22 +62,27 @@ class Pupil : MultiDexApplication() {
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             val manager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
-            val channel = NotificationChannel("download", getString(R.string.channel_download), NotificationManager.IMPORTANCE_MIN).apply {
+
+            manager.createNotificationChannel(NotificationChannel("download", getString(R.string.channel_download), NotificationManager.IMPORTANCE_LOW).apply {
                 description = getString(R.string.channel_download_description)
                 enableLights(false)
                 enableVibration(false)
                 lockscreenVisibility = Notification.VISIBILITY_SECRET
-            }
-            manager.createNotificationChannel(channel)
-        }
-
-        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
-        AppCompatDelegate.setDefaultNightMode(when (preference.getBoolean("dark_mode", false)) {
-            true -> AppCompatDelegate.MODE_NIGHT_YES
-            false -> AppCompatDelegate.MODE_NIGHT_NO
             })
 
-        super.onCreate()
-    }
+            manager.createNotificationChannel(NotificationChannel("downloader", getString(R.string.channel_downloader), NotificationManager.IMPORTANCE_LOW).apply {
+                description = getString(R.string.channel_downloader_description)
+                enableLights(false)
+                enableVibration(false)
+                lockscreenVisibility = Notification.VISIBILITY_SECRET
+            })
 
+            manager.createNotificationChannel(NotificationChannel("update", getString(R.string.channel_update), NotificationManager.IMPORTANCE_HIGH).apply {
+                description = getString(R.string.channel_update_description)
+                enableLights(true)
+                enableVibration(true)
+                lockscreenVisibility = Notification.VISIBILITY_SECRET
+            })
+        }
+    }
 }

app/src/main/java/xyz/quaver/pupil/adapters/GalleryBlockAdapter.kt

@@ -1,382 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.adapters
-
-import android.content.Context
-import android.graphics.drawable.Drawable
-import android.util.Base64
-import android.util.SparseBooleanArray
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.LinearLayout
-import androidx.cardview.widget.CardView
-import androidx.core.content.ContextCompat
-import androidx.recyclerview.widget.RecyclerView
-import androidx.swiperefreshlayout.widget.CircularProgressDrawable
-import androidx.vectordrawable.graphics.drawable.Animatable2Compat
-import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
-import com.bumptech.glide.Glide
-import com.bumptech.glide.load.engine.DiskCacheStrategy
-import com.daimajia.swipe.SwipeLayout
-import com.daimajia.swipe.adapters.RecyclerSwipeAdapter
-import com.daimajia.swipe.interfaces.SwipeAdapterInterface
-import com.google.android.material.chip.Chip
-import kotlinx.android.synthetic.main.item_galleryblock.view.*
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import xyz.quaver.hitomi.GalleryBlock
-import xyz.quaver.pupil.BuildConfig
-import xyz.quaver.pupil.Pupil
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.types.Tag
-import xyz.quaver.pupil.util.Histories
-import xyz.quaver.pupil.util.download.Cache
-import xyz.quaver.pupil.util.download.DownloadWorker
-import xyz.quaver.pupil.util.wordCapitalize
-import java.util.*
-import kotlin.collections.ArrayList
-import kotlin.concurrent.schedule
-
-class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryBlock>) : RecyclerSwipeAdapter<RecyclerView.ViewHolder>(), SwipeAdapterInterface {
-
-    enum class ViewType {
-        NEXT,
-        GALLERY,
-        PREV
-    }
-
-    private val glide = Glide.with(context)
-    private lateinit var favorites: Histories
-
-    val timer = Timer()
-
-    inner class GalleryViewHolder(val view: View) : RecyclerView.ViewHolder(view) {
-        var timerTask: TimerTask? = null
-
-        private fun updateProgress(context: Context, galleryID: Int) {
-            val cache = Cache(context).getCachedGallery(galleryID)
-            val reader = Cache(context).getReaderOrNull(galleryID)
-
-            CoroutineScope(Dispatchers.Main).launch {
-                if (reader == null) {
-                    view.galleryblock_progressbar.visibility = View.GONE
-                    view.galleryblock_progress_complete.visibility = View.GONE
-                    return@launch
-                }
-
-                with(view.galleryblock_progressbar) {
-
-                    progress = cache.listFiles()?.count { file ->
-                        Regex("^[0-9]+.+\$").matches(file.name)
-                    } ?: 0
-
-                    if (visibility == View.GONE) {
-                        visibility = View.VISIBLE
-                        max = reader.galleryInfo.files.size
-                    }
-
-                    if (progress == max) {
-                        if (completeFlag.get(galleryID, false)) {
-                            with(view.galleryblock_progress_complete) {
-                                setImageResource(R.drawable.ic_progressbar)
-                                visibility = View.VISIBLE
-                            }
-                        } else {
-                            with(view.galleryblock_progress_complete) {
-                                setImageDrawable(AnimatedVectorDrawableCompat.create(context, R.drawable.ic_progressbar_complete).apply {
-                                    this?.start()
-                                })
-                                visibility = View.VISIBLE
-                            }
-                            completeFlag.put(galleryID, true)
-                        }
-                    } else
-                        view.galleryblock_progress_complete.visibility = View.INVISIBLE
-                }
-            }
-        }
-
-        fun bind(galleryBlock: GalleryBlock) {
-            with(view) {
-                val resources = context.resources
-                val languages = resources.getStringArray(R.array.languages).map {
-                    it.split("|").let { split ->
-                        Pair(split[0], split[1])
-                    }
-                }.toMap()
-
-                val artists = galleryBlock.artists
-                val series = galleryBlock.series
-
-                galleryblock_thumbnail.setImageDrawable(CircularProgressDrawable(context).also {
-                    it.start()
-                })
-
-                CoroutineScope(Dispatchers.Main).launch {
-                    val thumbnail = Cache(context).getThumbnail(galleryBlock.id).let {
-                        if (it != null)
-                            Base64.decode(it, Base64.DEFAULT)
-                        else
-                            null
-                    }
-
-                    glide
-                        .load(thumbnail)
-                        .skipMemoryCache(true)
-                        .diskCacheStrategy(DiskCacheStrategy.NONE)
-                        .error(R.drawable.image_broken_variant)
-                        .apply {
-                            if (BuildConfig.CENSOR)
-                                override(5, 8)
-                        }
-                        .into(galleryblock_thumbnail)
-                }
-
-                //Check cache
-                val cache = Cache(context).getCachedGallery(galleryBlock.id)
-                val reader = Cache(context).getReaderOrNull(galleryBlock.id)
-
-                if (reader != null) {
-                    val count = cache.listFiles()?.count {
-                        Regex("^[0-9]+.+\$").matches(it.name)
-                    } ?: 0
-
-                    with(galleryblock_progressbar) {
-                        max = reader.galleryInfo.files.size
-                        progress = count
-
-                        visibility = View.VISIBLE
-                    }
-                } else
-                    galleryblock_progressbar.visibility = View.GONE
-
-                if (timerTask == null)
-                    timerTask = timer.schedule(0, 1000) {
-                        updateProgress(context, galleryBlock.id)
-                    }
-
-                galleryblock_title.text = galleryBlock.title
-                with(galleryblock_artist) {
-                    text = artists.joinToString(", ") { it.wordCapitalize() }
-                    visibility = when {
-                        artists.isNotEmpty() -> View.VISIBLE
-                        else -> View.GONE
-                    }
-                }
-                with(galleryblock_series) {
-                    text =
-                        resources.getString(
-                            R.string.galleryblock_series,
-                            series.joinToString(", ") { it.wordCapitalize() })
-                    visibility = when {
-                        series.isNotEmpty() -> View.VISIBLE
-                        else -> View.GONE
-                    }
-                }
-                galleryblock_type.text = resources.getString(R.string.galleryblock_type, galleryBlock.type).wordCapitalize()
-                with(galleryblock_language) {
-                    text =
-                        resources.getString(R.string.galleryblock_language, languages[galleryBlock.language])
-                    visibility = when {
-                        galleryBlock.language.isNotEmpty() -> View.VISIBLE
-                        else -> View.GONE
-                    }
-                }
-
-                galleryblock_tag_group.removeAllViews()
-                galleryBlock.relatedTags.forEach {
-                    galleryblock_tag_group.addView(Chip(context).apply {
-                        val tag = Tag.parse(it).let {  tag ->
-                            when {
-                                tag.area != null -> tag
-                                else -> Tag("tag", it)
-                            }
-                        }
-
-                        chipIcon = when(tag.area) {
-                            "male" -> {
-                                setChipBackgroundColorResource(R.color.material_blue_700)
-                                setTextColor(ContextCompat.getColor(context, android.R.color.white))
-                                ContextCompat.getDrawable(context, R.drawable.ic_gender_male_white)
-                            }
-                            "female" -> {
-                                setChipBackgroundColorResource(R.color.material_pink_600)
-                                setTextColor(ContextCompat.getColor(context, android.R.color.white))
-                                ContextCompat.getDrawable(context, R.drawable.ic_gender_female_white)
-                            }
-                            else -> null
-                        }
-                        text = tag.tag.wordCapitalize()
-                        setEnsureMinTouchTargetSize(false)
-                        setOnClickListener {
-                            for (callback in onChipClickedHandler)
-                                callback.invoke(tag)
-                        }
-                    })
-                }
-
-                galleryblock_id.text = galleryBlock.id.toString()
-
-                if (!::favorites.isInitialized)
-                    favorites = (context.applicationContext as Pupil).favorites
-
-                with(galleryblock_favorite) {
-                    setImageResource(if (favorites.contains(galleryBlock.id)) R.drawable.ic_star_filled else R.drawable.ic_star_empty)
-                    setOnClickListener {
-                        when {
-                            favorites.contains(galleryBlock.id) -> {
-                                favorites.remove(galleryBlock.id)
-
-                                setImageResource(R.drawable.ic_star_empty)
-                            }
-                            else -> {
-                                favorites.add(galleryBlock.id)
-
-                                setImageDrawable(AnimatedVectorDrawableCompat.create(context, R.drawable.avd_star).apply {
-                                    this ?: return@apply
-
-                                    registerAnimationCallback(object: Animatable2Compat.AnimationCallback() {
-                                        override fun onAnimationEnd(drawable: Drawable?) {
-                                            setImageResource(R.drawable.ic_star_filled)
-                                        }
-                                    })
-                                    start()
-                                })
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-    class NextViewHolder(view: LinearLayout) : RecyclerView.ViewHolder(view)
-    class PrevViewHolder(view: LinearLayout) : RecyclerView.ViewHolder(view)
-
-    class ViewHolderFactory {
-        companion object {
-            fun getLayoutID(type: Int): Int {
-                return when(ViewType.values()[type]) {
-                    ViewType.NEXT -> R.layout.item_next
-                    ViewType.PREV -> R.layout.item_prev
-                    ViewType.GALLERY -> R.layout.item_galleryblock
-                }
-            }
-        }
-    }
-
-    val completeFlag = SparseBooleanArray()
-
-    val onChipClickedHandler = ArrayList<((Tag) -> Unit)>()
-    var onDownloadClickedHandler: ((Int) -> Unit)? = null
-    var onDeleteClickedHandler: ((Int) -> Unit)? = null
-
-    var showNext = false
-    var showPrev = false
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
-
-        fun getViewHolder(type: Int, view: View): RecyclerView.ViewHolder {
-            return when(ViewType.values()[type]) {
-                ViewType.NEXT -> NextViewHolder(view as LinearLayout)
-                ViewType.PREV -> PrevViewHolder(view as LinearLayout)
-                ViewType.GALLERY -> GalleryViewHolder(view as CardView)
-            }
-        }
-
-        return getViewHolder(
-            viewType,
-            LayoutInflater.from(parent.context).inflate(
-                ViewHolderFactory.getLayoutID(viewType),
-                parent,
-                false
-            )
-        )
-    }
-
-    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
-        if (holder is GalleryViewHolder) {
-            val gallery = galleries[position-(if (showPrev) 1 else 0)]
-
-            holder.bind(gallery)
-
-            with(holder.view.galleryblock_primary) {
-                setOnClickListener {
-                    holder.view.performClick()
-                }
-                setOnLongClickListener {
-                    holder.view.performLongClick()
-                }
-            }
-
-            holder.view.galleryblock_download.setOnClickListener {
-                onDownloadClickedHandler?.invoke(position)
-            }
-
-            holder.view.galleryblock_delete.setOnClickListener {
-                onDeleteClickedHandler?.invoke(position)
-            }
-
-            mItemManger.bindView(holder.view, position)
-
-            holder.view.galleryblock_swipe_layout.addSwipeListener(object: SwipeLayout.SwipeListener {
-                override fun onStartOpen(layout: SwipeLayout?) {
-                    mItemManger.closeAllExcept(layout)
-
-                    holder.view.galleryblock_download.text =
-                        if (DownloadWorker.getInstance(holder.view.context).progress.indexOfKey(gallery.id) < 0)
-                            holder.view.context.getString(R.string.main_download)
-                        else
-                            holder.view.context.getString(android.R.string.cancel)
-                }
-
-                override fun onClose(layout: SwipeLayout?) {}
-                override fun onHandRelease(layout: SwipeLayout?, xvel: Float, yvel: Float) {}
-                override fun onOpen(layout: SwipeLayout?) {}
-                override fun onStartClose(layout: SwipeLayout?) {}
-                override fun onUpdate(layout: SwipeLayout?, leftOffset: Int, topOffset: Int) {}
-            })
-        }
-    }
-
-    override fun onViewDetachedFromWindow(holder: RecyclerView.ViewHolder) {
-        super.onViewDetachedFromWindow(holder)
-
-        if (holder is GalleryViewHolder) {
-            holder.timerTask?.cancel()
-            holder.timerTask = null
-        }
-    }
-
-    override fun getItemCount() =
-        (if (galleries.isEmpty()) 0 else galleries.size)+
-        (if (showNext) 1 else 0)+
-        (if (showPrev) 1 else 0)
-
-    override fun getItemViewType(position: Int): Int {
-        return when {
-            showPrev && position == 0 -> ViewType.PREV
-            showNext && position == galleries.size+(if (showPrev) 1 else 0) -> ViewType.NEXT
-            else -> ViewType.GALLERY
-        }.ordinal
-    }
-
-    override fun getSwipeLayoutResourceId(position: Int) = R.id.galleryblock_swipe_layout
-}

app/src/main/java/xyz/quaver/pupil/adapters/MirrorAdapter.kt

@@ -1,85 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.adapters
-
-import android.content.Context
-import android.view.LayoutInflater
-import android.view.MotionEvent
-import android.view.View
-import android.view.ViewGroup
-import androidx.preference.PreferenceManager
-import androidx.recyclerview.widget.RecyclerView
-import kotlinx.android.synthetic.main.item_mirrors.view.*
-import xyz.quaver.pupil.R
-import java.util.*
-
-class MirrorAdapter(context: Context) : RecyclerView.Adapter<MirrorAdapter.ViewHolder>() {
-
-    class ViewHolder(val view: View) : RecyclerView.ViewHolder(view)
-
-    val mirrors = context.resources.getStringArray(R.array.mirrors).map {
-        it.split('|').let { split ->
-            Pair(split.first(), split.last())
-        }
-    }.toMap()
-
-    val list = mirrors.keys.toMutableList().apply {
-        PreferenceManager.getDefaultSharedPreferences(context)
-            .getString("mirrors", "")!!
-            .split(">")
-            .reversed()
-            .forEach {
-                if (this.contains(it)) {
-                    this.remove(it)
-                    this.add(0, it)
-                }
-            }
-    }
-
-    val onItemMove : ((Int, Int) -> Unit) = { from, to ->
-        Collections.swap(list, from, to)
-        notifyItemMoved(from, to)
-        onItemMoved?.invoke(list)
-    }
-    var onStartDrag : ((ViewHolder) -> Unit)? = null
-    var onItemMoved : ((List<String>) -> (Unit))? = null
-
-    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        with(holder.view) {
-            mirror_name.text = mirrors[list.elementAt(position)]
-            mirror_button.setOnTouchListener { _, event ->
-                if (event.action == MotionEvent.ACTION_DOWN)
-                    onStartDrag?.invoke(holder)
-
-                true
-            }
-        }
-    }
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-        return LayoutInflater.from(parent.context).inflate(
-            R.layout.item_mirrors, parent, false
-        ).let {
-            ViewHolder(it)
-        }
-    }
-
-    override fun getItemCount() = mirrors.size
-
-}

app/src/main/java/xyz/quaver/pupil/adapters/ReaderAdapter.kt

@@ -1,166 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.adapters
-
-import android.content.Context
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import androidx.constraintlayout.widget.ConstraintLayout
-import androidx.recyclerview.widget.RecyclerView
-import com.bumptech.glide.Glide
-import com.bumptech.glide.ListPreloader
-import com.bumptech.glide.RequestBuilder
-import com.bumptech.glide.integration.recyclerview.RecyclerViewPreloader
-import com.bumptech.glide.load.engine.DiskCacheStrategy
-import com.crashlytics.android.Crashlytics
-import io.fabric.sdk.android.Fabric
-import kotlinx.android.synthetic.main.item_reader.view.*
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import xyz.quaver.hitomi.Reader
-import xyz.quaver.pupil.BuildConfig
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.util.download.Cache
-import xyz.quaver.pupil.util.download.DownloadWorker
-import java.io.File
-import java.util.*
-import kotlin.concurrent.schedule
-import kotlin.math.roundToInt
-
-class ReaderAdapter(private val context: Context,
-                    private val galleryID: Int) : RecyclerView.Adapter<ReaderAdapter.ViewHolder>() {
-
-    val glide = Glide.with(context)
-
-    //region Glide.RecyclerView
-    val sizeProvider = ListPreloader.PreloadSizeProvider<File> { _, _, position ->
-        Cache(context).getReaderOrNull(galleryID)?.galleryInfo?.files?.getOrNull(position)?.let {
-            arrayOf(it.width, it.height).toIntArray()
-        }
-    }
-    val modelProvider = object: ListPreloader.PreloadModelProvider<File> {
-        override fun getPreloadItems(position: Int): MutableList<File> {
-            return listOf(Cache(context).getImages(galleryID)?.getOrNull(position)).filterNotNullTo(mutableListOf())
-        }
-
-        override fun getPreloadRequestBuilder(item: File): RequestBuilder<*>? {
-            return glide
-                .load(item)
-                .diskCacheStrategy(DiskCacheStrategy.NONE)
-                .skipMemoryCache(true)
-                .error(R.drawable.image_broken_variant)
-                .apply {
-                    if (BuildConfig.CENSOR)
-                        override(5, 8)
-                }
-        }
-    }
-    val preloader = RecyclerViewPreloader<File>(glide, modelProvider, sizeProvider, 10)
-    //endregion
-
-    var reader: Reader? = null
-    val timer = Timer()
-
-    var isFullScreen = false
-
-    var onItemClickListener : ((Int) -> (Unit))? = null
-
-    class ViewHolder(val view: View) : RecyclerView.ViewHolder(view)
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-        return LayoutInflater.from(parent.context).inflate(
-            R.layout.item_reader, parent, false
-        ).let {
-            ViewHolder(it)
-        }
-    }
-
-    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        holder.view as ConstraintLayout
-
-        if (isFullScreen) {
-            holder.view.layoutParams.height = RecyclerView.LayoutParams.MATCH_PARENT
-            holder.view.container.layoutParams.height = ConstraintLayout.LayoutParams.MATCH_PARENT
-        } else {
-            holder.view.layoutParams.height = RecyclerView.LayoutParams.WRAP_CONTENT
-            holder.view.container.layoutParams.height = 0
-        }
-
-        holder.view.image.setOnPhotoTapListener { _, _, _ ->
-            onItemClickListener?.invoke(position)
-        }
-
-        holder.view.container.setOnClickListener {
-            onItemClickListener?.invoke(position)
-        }
-
-        if (!isFullScreen)
-            (holder.view.container.layoutParams as ConstraintLayout.LayoutParams)
-                .dimensionRatio = "${reader!!.galleryInfo.files[position].width}:${reader!!.galleryInfo.files[position].height}"
-
-        holder.view.reader_index.text = (position+1).toString()
-
-        val images = Cache(context).getImage(galleryID, position)
-
-        if (images != null) {
-            glide
-                .load(images)
-                .diskCacheStrategy(DiskCacheStrategy.NONE)
-                .skipMemoryCache(true)
-                .error(R.drawable.image_broken_variant)
-                .apply {
-                    if (BuildConfig.CENSOR)
-                        override(5, 8)
-                }
-                .into(holder.view.image)
-        } else {
-            val progress = DownloadWorker.getInstance(context).progress[galleryID]?.get(position)
-
-            if (progress?.isNaN() == true) {
-                if (Fabric.isInitialized())
-                    Crashlytics.logException(DownloadWorker.getInstance(context).exception[galleryID]?.get(position))
-
-                glide
-                    .load(R.drawable.image_broken_variant)
-                    .into(holder.view.image)
-
-                return
-            } else {
-                holder.view.reader_item_progressbar.progress =
-                    if (progress?.isInfinite() == true)
-                        100
-                    else
-                        progress?.roundToInt() ?: 0
-
-                holder.view.image.setImageDrawable(null)
-            }
-
-            timer.schedule(1000) {
-                CoroutineScope(Dispatchers.Main).launch {
-                    notifyItemChanged(position)
-                }
-            }
-        }
-    }
-
-    override fun getItemCount() = reader?.galleryInfo?.files?.size ?: 0
-
-}

app/src/main/java/xyz/quaver/pupil/adapters/ThumbnailAdapter.kt

@@ -1,47 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.adapters
-
-import android.view.ViewGroup
-import android.widget.ImageView
-import androidx.recyclerview.widget.RecyclerView
-import com.bumptech.glide.RequestManager
-import xyz.quaver.pupil.BuildConfig
-
-class ThumbnailAdapter(private val glide: RequestManager, private val thumbnails: List<String>) : RecyclerView.Adapter<ThumbnailAdapter.ViewHolder>() {
-
-    class ViewHolder(val view: ImageView) : RecyclerView.ViewHolder(view)
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-        return ViewHolder(ImageView(parent.context))
-    }
-
-    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        glide
-            .load(thumbnails[position])
-            .apply {
-                if (BuildConfig.CENSOR)
-                    override(5, 8)
-            }
-            .into(holder.view)
-    }
-
-    override fun getItemCount() = thumbnails.size
-
-}

app/src/main/java/xyz/quaver/pupil/sources/LocalSources.kt

@@ -0,0 +1,108 @@
+/*
+ *     Pupil, Hitomi.la viewer for Android
+ *     Copyright (C) 2020  tom5079
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package xyz.quaver.pupil.sources
+
+import android.app.Application
+import android.content.Context
+import android.content.pm.PackageInfo
+import android.content.pm.PackageManager
+import androidx.compose.runtime.*
+import androidx.compose.ui.platform.LocalContext
+import dalvik.system.PathClassLoader
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import xyz.quaver.pupil.sources.core.Source
+
+@Composable
+fun rememberLocalSourceList(context: Context = LocalContext.current): State<List<SourceEntry>> = produceState(emptyList()) {
+    while (true) {
+        value = loadSourceList(context)
+        delay(1000)
+    }
+}
+
+suspend fun loadSource(context: Context, sourceEntry: SourceEntry): Source = coroutineScope {
+    sourceCacheMutex.withLock {
+        sourceCache[sourceEntry.packageName] ?: run {
+            val classLoader = PathClassLoader(sourceEntry.sourceDir, null, context.classLoader)
+
+            Class.forName("${sourceEntry.packagePath}${sourceEntry.sourcePath}", false, classLoader)
+                .getConstructor(Application::class.java)
+                .newInstance(context.applicationContext) as Source
+        }.also { sourceCache[sourceEntry.packageName] = it }
+    }
+}
+
+private const val SOURCES_FEATURE = "pupil.sources"
+private const val SOURCES_PACKAGE_PREFIX = "xyz.quaver.pupil.sources"
+private const val SOURCES_PATH = "pupil.sources.path"
+
+private val PackageInfo.isSourceFeatureEnabled
+    get() = this.reqFeatures.orEmpty().any { it.name == SOURCES_FEATURE }
+
+private fun loadSource(context: Context, packageInfo: PackageInfo): List<SourceEntry> {
+    val packageManager = context.packageManager
+
+    val applicationInfo = packageInfo.applicationInfo
+
+    val packageName = packageManager.getApplicationLabel(applicationInfo).toString().substringAfter("[Pupil] ")
+    val packagePath = packageInfo.packageName
+
+    val icon = packageManager.getApplicationIcon(applicationInfo)
+
+    val version = packageInfo.versionName
+
+    return packageInfo
+        .applicationInfo
+        .metaData
+        ?.getString(SOURCES_PATH)
+        ?.split(';')
+        ?.map { source ->
+            val (sourceName, sourcePath) = source.split(':', limit = 2)
+            SourceEntry(
+                packageName,
+                packagePath,
+                sourceName,
+                sourcePath,
+                applicationInfo.sourceDir,
+                icon,
+                version
+            )
+        }.orEmpty()
+}
+
+private val sourceCacheMutex = Mutex()
+private val sourceCache = mutableMapOf<String, Source>()
+
+private fun loadSourceList(context: Context): List<SourceEntry> {
+    val packageManager = context.packageManager
+
+    val packages = packageManager.getInstalledPackages(
+        PackageManager.GET_CONFIGURATIONS or PackageManager.GET_META_DATA
+    )
+
+    return packages.flatMap { packageInfo ->
+        if (packageInfo.isSourceFeatureEnabled)
+            loadSource(context, packageInfo)
+        else
+            emptyList()
+    }
+}

app/src/main/java/xyz/quaver/pupil/sources/RemoteSources.kt

@@ -1,6 +1,6 @@
 /*
  *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
+ *     Copyright (C) 2022  tom5079
  *
  *     This program is free software: you can redistribute it and/or modify
  *     it under the terms of the GNU General Public License as published by
@@ -16,26 +16,21 @@
  *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-@file:Suppress("UNUSED_VARIABLE", "IncorrectScope")
+package xyz.quaver.pupil.sources
 
-package xyz.quaver.pupil
+import androidx.compose.runtime.*
+import kotlinx.coroutines.delay
+import org.kodein.di.compose.localDI
+import org.kodein.di.compose.rememberInstance
+import org.kodein.di.direct
+import org.kodein.di.instance
+import xyz.quaver.pupil.util.PupilHttpClient
+import xyz.quaver.pupil.util.RemoteSourceInfo
 
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-
-import android.util.SparseArray
-import org.junit.Test
-
-class ExampleUnitTest {
-
-    @Test
-    fun test() {
-        val arr = SparseArray<Float>()
-
-        print(arr.indexOfKey(34))
+@Composable
+fun rememberRemoteSourceList(client: PupilHttpClient = localDI().direct.instance()) = produceState<Map<String, RemoteSourceInfo>?>(null) {
+    while (true) {
+        value = client.getRemoteSourceList()
+        delay(1000)
     }
-
 }

app/src/main/java/xyz/quaver/pupil/sources/common.kt

@@ -1,6 +1,6 @@
 /*
  *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
+ *     Copyright (C) 2022  tom5079
  *
  *     This program is free software: you can redistribute it and/or modify
  *     it under the terms of the GNU General Public License as published by
@@ -16,15 +16,16 @@
  *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-package xyz.quaver.pupil.util
+package xyz.quaver.pupil.sources
 
-import kotlinx.serialization.json.Json
-import kotlinx.serialization.json.JsonConfiguration
+import android.graphics.drawable.Drawable
 
-const val REQUEST_LOCK = 38238
-const val REQUEST_RESTORE = 16546
-const val REQUEST_DOWNLOAD_FOLDER = 3874
-const val REQUEST_DOWNLOAD_FOLDER_OLD = 3425
-const val REQUEST_WRITE_PERMISSION_AND_SAF = 13900
-
-val json = Json(JsonConfiguration.Stable)
+data class SourceEntry(
+    val packageName: String,
+    val packagePath: String,
+    val sourceName: String,
+    val sourcePath: String,
+    val sourceDir: String,
+    val icon: Drawable,
+    val version: String
+)

app/src/main/java/xyz/quaver/pupil/types/Tags.kt

@@ -1,121 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.types
-
-import kotlinx.serialization.Serializable
-
-@Serializable
-data class Tag(val area: String?, val tag: String, val isNegative: Boolean = false) {
-    companion object {
-        fun parse(tag: String) : Tag {
-            if (tag.first() == '-') {
-                tag.substring(1).split(Regex(":"), 2).let {
-                    return when(it.size) {
-                        2 -> Tag(it[0], it[1], true)
-                        else -> Tag(null, tag, true)
-                    }
-                }
-            }
-            tag.split(Regex(":"), 2).let {
-                return when(it.size) {
-                    2 -> Tag(it[0], it[1])
-                    else -> Tag(null, tag)
-                }
-            }
-        }
-    }
-
-    override fun toString(): String {
-        return (if (isNegative) "-" else "") + when(area) {
-            null -> tag
-            else -> "$area:$tag"
-        }
-    }
-
-    fun toQuery(): String {
-        return toString().replace(' ', '_')
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (other !is Tag)
-            return false
-
-        if (other.area == area && other.tag == tag)
-            return true
-
-        return false
-    }
-
-    override fun hashCode(): Int {
-        return super.hashCode()
-    }
-}
-
-class Tags(tag: List<Tag?>?) : ArrayList<Tag>() {
-
-    companion object {
-        fun parse(tags: String) : Tags {
-            return Tags(
-                tags.split(' ').map {
-                    if (it.isNotEmpty())
-                        Tag.parse(it)
-                    else
-                        null
-                }
-            )
-        }
-    }
-
-    init {
-        tag?.forEach {
-            if (it != null)
-                add(it)
-        }
-    }
-
-    fun contains(element: String): Boolean {
-        forEach {
-            if (it.toString() == element)
-                return true
-        }
-
-        return false
-    }
-
-    fun add(element: String): Boolean {
-        return super.add(Tag.parse(element))
-    }
-
-    fun remove(element: String) {
-        filter { it.toString() == element }.forEach {
-            remove(it)
-        }
-    }
-
-    fun removeByArea(area: String, isNegative: Boolean? = null) {
-        filter { it.area == area && (if(isNegative == null) true else (it.isNegative == isNegative)) }.forEach {
-            remove(it)
-        }
-    }
-
-    override fun toString(): String {
-        return joinToString(" ") { it.toString() }
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/ui/LockActivity.kt

@@ -1,115 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui
-
-import android.app.Activity
-import android.app.AlertDialog
-import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
-import com.andrognito.patternlockview.PatternLockView
-import com.google.android.material.snackbar.Snackbar
-import kotlinx.android.synthetic.main.activity_lock.*
-import kotlinx.android.synthetic.main.fragment_pattern_lock.*
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.ui.fragment.PatternLockFragment
-import xyz.quaver.pupil.util.Lock
-import xyz.quaver.pupil.util.LockManager
-
-class LockActivity : AppCompatActivity() {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_lock)
-
-        val lockManager = try {
-            LockManager(this)
-        } catch (e: Exception) {
-            AlertDialog.Builder(this).apply {
-                setTitle(R.string.warning)
-                setMessage(R.string.lock_corrupted)
-                setPositiveButton(android.R.string.ok) { _, _ ->
-                    finish()
-                }
-            }.show()
-            return
-        }
-
-        val mode = intent.getStringExtra("mode")
-
-        lock_pattern.isEnabled = false
-        lock_pin.isEnabled = false
-        lock_fingerprint.isEnabled = false
-        lock_password.isEnabled = false
-
-        when(mode) {
-            null -> {
-                if (lockManager.isEmpty()) {
-                    setResult(RESULT_OK)
-                    finish()
-                    return
-                }
-            }
-            "add_lock" -> {
-                when(intent.getStringExtra("type")!!) {
-                    "pattern" -> {
-
-                    }
-                }
-            }
-        }
-
-        supportFragmentManager.beginTransaction().add(
-            R.id.lock_content,
-            PatternLockFragment().apply {
-                var lastPass = ""
-                onPatternDrawn = {
-                    when(mode) {
-                        null -> {
-                            val result = lockManager.check(it)
-
-                            if (result == true) {
-                                setResult(Activity.RESULT_OK)
-                                finish()
-                            } else
-                                lock_pattern_view.setViewMode(PatternLockView.PatternViewMode.WRONG)
-                        }
-                        "add_lock" -> {
-                            if (lastPass.isEmpty()) {
-                                lastPass = it
-
-                                Snackbar.make(view!!, R.string.settings_lock_confirm, Snackbar.LENGTH_LONG).show()
-                            } else {
-                                if (lastPass == it) {
-                                    LockManager(context!!).add(Lock.generate(Lock.Type.PATTERN, it))
-                                    finish()
-                                } else {
-                                    lock_pattern_view.setViewMode(PatternLockView.PatternViewMode.WRONG)
-                                    lastPass = ""
-
-                                    Snackbar.make(view!!, R.string.settings_lock_wrong_confirm, Snackbar.LENGTH_LONG).show()
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        ).commit()
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/ui/ReaderActivity.kt

@@ -1,407 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui
-
-import android.content.Intent
-import android.graphics.drawable.Animatable
-import android.graphics.drawable.Drawable
-import android.os.Bundle
-import android.view.*
-import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.app.AppCompatActivity
-import androidx.core.content.ContextCompat
-import androidx.preference.PreferenceManager
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.PagerSnapHelper
-import androidx.recyclerview.widget.RecyclerView
-import androidx.vectordrawable.graphics.drawable.Animatable2Compat
-import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
-import com.crashlytics.android.Crashlytics
-import com.google.android.material.snackbar.Snackbar
-import io.fabric.sdk.android.Fabric
-import kotlinx.android.synthetic.main.activity_reader.*
-import kotlinx.android.synthetic.main.activity_reader.view.*
-import kotlinx.android.synthetic.main.dialog_numberpicker.view.*
-import xyz.quaver.Code
-import xyz.quaver.pupil.Pupil
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.adapters.ReaderAdapter
-import xyz.quaver.pupil.util.Histories
-import xyz.quaver.pupil.util.download.Cache
-import xyz.quaver.pupil.util.download.DownloadWorker
-import java.util.*
-import kotlin.concurrent.schedule
-
-class ReaderActivity : AppCompatActivity() {
-
-    private var galleryID = 0
-    private var currentPage = 0
-
-    private var isScroll = true
-    private var isFullscreen = false
-    set(value) {
-        field = value
-
-        (reader_recyclerview.adapter as ReaderAdapter).isFullScreen = value
-
-        reader_progressbar.visibility = when {
-            value -> View.VISIBLE
-            else -> View.GONE
-        }
-    }
-
-    private val timer = Timer()
-
-    private val snapHelper = PagerSnapHelper()
-
-    private var menu: Menu? = null
-
-    private lateinit var favorites: Histories
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        title = getString(R.string.reader_loading)
-        supportActionBar?.setDisplayHomeAsUpEnabled(false)
-
-        favorites = (application as Pupil).favorites
-
-        window.setFlags(
-            WindowManager.LayoutParams.FLAG_SECURE,
-            WindowManager.LayoutParams.FLAG_SECURE)
-
-        setContentView(R.layout.activity_reader)
-
-        handleIntent(intent)
-
-        if (Fabric.isInitialized())
-            Crashlytics.setInt("GalleryID", galleryID)
-
-        if (galleryID == 0) {
-            onBackPressed()
-            return
-        }
-
-        initView()
-        initDownloader()
-    }
-
-    override fun onNewIntent(intent: Intent) {
-        super.onNewIntent(intent)
-        handleIntent(intent)
-    }
-
-    private fun handleIntent(intent: Intent) {
-        if (intent.action == Intent.ACTION_VIEW) {
-            val uri = intent.data
-            val lastPathSegment = uri?.lastPathSegment
-            if (uri != null && lastPathSegment != null) {
-                val nonNumber = Regex("[^-?0-9]+")
-
-                galleryID = when (uri.host) {
-                    "hitomi.la" -> lastPathSegment.replace(nonNumber, "").toInt()
-                    "히요비.asia" -> lastPathSegment.toInt()
-                    "xn--9w3b15m8vo.asia" -> lastPathSegment.toInt()
-                    "e-hentai.org" -> uri.pathSegments[1].toInt()
-                    else -> return
-                }
-            }
-        } else {
-            galleryID = intent.getIntExtra("galleryID", 0)
-        }
-    }
-
-    override fun onResume() {
-        val preferences = PreferenceManager.getDefaultSharedPreferences(this)
-
-        if (preferences.getBoolean("security_mode", false))
-            window.setFlags(
-                WindowManager.LayoutParams.FLAG_SECURE,
-                WindowManager.LayoutParams.FLAG_SECURE)
-        else
-            window.clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
-
-        super.onResume()
-    }
-
-    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
-        menuInflater.inflate(R.menu.reader, menu)
-
-        with(menu?.findItem(R.id.reader_menu_favorite)) {
-            this ?: return@with
-
-            if (favorites.contains(galleryID))
-                (icon as Animatable).start()
-        }
-
-        this.menu = menu
-        return true
-    }
-
-    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
-        when(item?.itemId) {
-            R.id.reader_menu_page_indicator -> {
-                val view = LayoutInflater.from(this).inflate(R.layout.dialog_numberpicker, findViewById(android.R.id.content), false)
-                with(view.dialog_number_picker) {
-                    minValue=1
-                    maxValue=reader_recyclerview?.adapter?.itemCount ?: 0
-                    value=currentPage
-                }
-                val dialog = AlertDialog.Builder(this).apply {
-                    setView(view)
-                }.create()
-                view.dialog_ok.setOnClickListener {
-                    (reader_recyclerview.layoutManager as LinearLayoutManager?)?.scrollToPositionWithOffset(view.dialog_number_picker.value-1, 0)
-                    dialog.dismiss()
-                }
-
-                dialog.show()
-            }
-            R.id.reader_menu_favorite -> {
-                val id = galleryID
-                val favorite = menu?.findItem(R.id.reader_menu_favorite) ?: return true
-
-                if (favorites.contains(id)) {
-                    favorites.remove(id)
-                    favorite.icon = AnimatedVectorDrawableCompat.create(this, R.drawable.avd_star)
-                } else {
-                    favorites.add(id)
-                    (favorite.icon as Animatable).start()
-                }
-            }
-        }
-
-        return true
-    }
-
-    override fun onDestroy() {
-        super.onDestroy()
-
-        timer.cancel()
-        (reader_recyclerview?.adapter as? ReaderAdapter)?.timer?.cancel()
-
-        if (!Cache(this).isDownloading(galleryID))
-            DownloadWorker.getInstance(this@ReaderActivity).cancel(galleryID)
-    }
-
-    override fun onBackPressed() {
-        if (isScroll and !isFullscreen)
-            super.onBackPressed()
-
-        if (isFullscreen) {
-            isFullscreen = false
-            fullscreen(false)
-        }
-
-        if (!isScroll) {
-            isScroll = true
-            scrollMode(true)
-        }
-    }
-
-    override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
-        //currentPage is 1-based
-        return when(keyCode) {
-            KeyEvent.KEYCODE_VOLUME_UP -> {
-                (reader_recyclerview.layoutManager as LinearLayoutManager?)?.scrollToPositionWithOffset(currentPage-2, 0)
-
-                true
-            }
-            KeyEvent.KEYCODE_VOLUME_DOWN -> {
-                (reader_recyclerview.layoutManager as LinearLayoutManager?)?.scrollToPositionWithOffset(currentPage, 0)
-
-                true
-            }
-            else -> super.onKeyDown(keyCode, event)
-        }
-    }
-
-    private fun initDownloader() {
-        val worker = DownloadWorker.getInstance(this).apply {
-            queue.add(galleryID)
-        }
-
-        timer.schedule(1000, 1000) {
-            if (worker.progress.indexOfKey(galleryID) < 0)  //loading
-                return@schedule
-
-            if (worker.progress[galleryID] == null) {      //Gallery not found
-                timer.cancel()
-                Snackbar
-                    .make(reader_layout, R.string.reader_failed_to_find_gallery, Snackbar.LENGTH_INDEFINITE)
-                    .show()
-            }
-
-            runOnUiThread {
-                reader_download_progressbar.max = reader_recyclerview.adapter?.itemCount ?: 0
-                reader_download_progressbar.progress = worker.progress[galleryID]?.count { !it.isFinite() } ?: 0
-                reader_progressbar.max = reader_recyclerview.adapter?.itemCount ?: 0
-
-                if (title == getString(R.string.reader_loading)) {
-                    val reader = Cache(this@ReaderActivity).getReaderOrNull(galleryID)
-
-                    if (reader != null) {
-
-                        with (reader_recyclerview.adapter as ReaderAdapter) {
-                            this.reader = reader
-                            notifyDataSetChanged()
-                        }
-
-                        title = reader.galleryInfo.title
-                        menu?.findItem(R.id.reader_menu_page_indicator)?.title = "$currentPage/${reader.galleryInfo.files.size}"
-
-                        menu?.findItem(R.id.reader_type)?.icon = ContextCompat.getDrawable(this@ReaderActivity,
-                            when (reader.code) {
-                                Code.HITOMI -> R.drawable.hitomi
-                                Code.HIYOBI -> R.drawable.ic_hiyobi
-                                else -> android.R.color.transparent
-                            })
-                    }
-                }
-
-                if (worker.progress[galleryID]?.all { !it.isFinite() } == true) {   //Download finished
-                    reader_download_progressbar.visibility = View.GONE
-
-                    animateDownloadFAB(false)
-                }
-            }
-        }
-    }
-
-    private fun initView() {
-        with(reader_recyclerview) {
-            adapter = ReaderAdapter(this@ReaderActivity, galleryID).apply {
-                onItemClickListener = {
-                    if (isScroll) {
-                        isScroll = false
-                        isFullscreen = true
-
-                        scrollMode(false)
-                        fullscreen(true)
-                    } else {
-                        (reader_recyclerview.layoutManager as LinearLayoutManager?)?.scrollToPosition(currentPage) //Moves to next page because currentPage is 1-based indexing
-                    }
-                }
-            }
-
-            addOnScrollListener((adapter as ReaderAdapter).preloader)
-            addOnScrollListener(object: RecyclerView.OnScrollListener() {
-                override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
-                    super.onScrolled(recyclerView, dx, dy)
-
-                    if (dy < 0)
-                        this@ReaderActivity.reader_fab.showMenuButton(true)
-                    else if (dy > 0)
-                        this@ReaderActivity.reader_fab.hideMenuButton(true)
-
-                    val layoutManager = recyclerView.layoutManager as LinearLayoutManager
-
-                    if (layoutManager.findFirstVisibleItemPosition() == -1)
-                        return
-                    currentPage = layoutManager.findFirstVisibleItemPosition()+1
-                    menu?.findItem(R.id.reader_menu_page_indicator)?.title = "$currentPage/${recyclerView.adapter!!.itemCount}"
-                    this@ReaderActivity.reader_progressbar.progress = currentPage
-                }
-            })
-        }
-
-        with(reader_fab_download) {
-            animateDownloadFAB(Cache(context).isDownloading(galleryID)) //If download in progress, animate button
-
-            setOnClickListener {
-                if (Cache(context).isDownloading(galleryID)) {
-                   Cache(context).setDownloading(galleryID, false)
-
-                    animateDownloadFAB(false)
-                } else {
-                    Cache(context).setDownloading(galleryID, true)
-                    animateDownloadFAB(true)
-                }
-            }
-        }
-
-        with(reader_fab_fullscreen) {
-            setImageResource(R.drawable.ic_fullscreen)
-            setOnClickListener {
-                isFullscreen = true
-                fullscreen(isFullscreen)
-
-                this@ReaderActivity.reader_fab.close(true)
-            }
-        }
-    }
-
-    private fun fullscreen(isFullscreen: Boolean) {
-        with(window.attributes) {
-            if (isFullscreen) {
-                flags = flags or WindowManager.LayoutParams.FLAG_FULLSCREEN
-                supportActionBar?.hide()
-                this@ReaderActivity.reader_fab.visibility = View.INVISIBLE
-            } else {
-                flags = flags and WindowManager.LayoutParams.FLAG_FULLSCREEN.inv()
-                supportActionBar?.show()
-                this@ReaderActivity.reader_fab.visibility = View.VISIBLE
-            }
-
-            window.attributes = this
-        }
-    }
-
-    private fun scrollMode(isScroll: Boolean) {
-        if (isScroll) {
-            snapHelper.attachToRecyclerView(null)
-            reader_recyclerview.layoutManager = LinearLayoutManager(this)
-        } else {
-            snapHelper.attachToRecyclerView(reader_recyclerview)
-            reader_recyclerview.layoutManager = LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)
-        }
-
-        (reader_recyclerview.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(currentPage-1, 0)
-    }
-
-    private fun animateDownloadFAB(animate: Boolean) {
-        with(reader_fab_download) {
-            if (animate) {
-                val icon = AnimatedVectorDrawableCompat.create(context, R.drawable.ic_downloading)
-
-                icon?.registerAnimationCallback(object : Animatable2Compat.AnimationCallback() {
-                    override fun onAnimationEnd(drawable: Drawable?) {
-                        val worker = DownloadWorker.getInstance(context)
-                        if (worker.progress[galleryID]?.all { !it.isFinite() } == true) // If download is finished, stop animating
-                            post {
-                                setImageResource(R.drawable.ic_download)
-                                labelText = getString(R.string.reader_fab_download)
-                            }
-                        else                                                            // Or continue animate
-                            post {
-                                icon.start()
-                                labelText = getString(R.string.reader_fab_download_cancel)
-                            }
-                    }
-                })
-
-                setImageDrawable(icon)
-                icon?.start()
-            } else {
-                setImageResource(R.drawable.ic_download)
-                labelText = getString(R.string.reader_fab_download)
-            }
-        }
-    }
-}

app/src/main/java/xyz/quaver/pupil/ui/SettingsActivity.kt

@@ -1,177 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui
-
-import android.annotation.SuppressLint
-import android.app.Activity
-import android.content.Intent
-import android.content.pm.PackageManager
-import android.os.Build
-import android.os.Bundle
-import android.view.MenuItem
-import android.view.WindowManager
-import androidx.appcompat.app.AppCompatActivity
-import androidx.preference.PreferenceManager
-import com.google.android.material.snackbar.Snackbar
-import kotlinx.android.synthetic.main.settings_activity.*
-import kotlinx.serialization.list
-import kotlinx.serialization.serializer
-import net.rdrei.android.dirchooser.DirectoryChooserActivity
-import xyz.quaver.pupil.Pupil
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.ui.fragment.LockFragment
-import xyz.quaver.pupil.ui.fragment.SettingsFragment
-import xyz.quaver.pupil.util.*
-import java.io.File
-import java.nio.charset.Charset
-
-class SettingsActivity : AppCompatActivity() {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        window.setFlags(
-            WindowManager.LayoutParams.FLAG_SECURE,
-            WindowManager.LayoutParams.FLAG_SECURE)
-
-        setContentView(R.layout.settings_activity)
-        supportFragmentManager
-            .beginTransaction()
-            .replace(R.id.settings, SettingsFragment())
-            .commit()
-        supportActionBar?.setDisplayHomeAsUpEnabled(true)
-    }
-
-    override fun onResume() {
-        val preferences = PreferenceManager.getDefaultSharedPreferences(this)
-
-        if (preferences.getBoolean("security_mode", false))
-            window.setFlags(
-                WindowManager.LayoutParams.FLAG_SECURE,
-                WindowManager.LayoutParams.FLAG_SECURE)
-        else
-            window.clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
-        super.onResume()
-    }
-
-    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
-        when (item?.itemId) {
-            android.R.id.home -> onBackPressed()
-        }
-
-        return true
-    }
-
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        when(requestCode) {
-            REQUEST_LOCK -> {
-                if (resultCode == Activity.RESULT_OK) {
-                    supportFragmentManager
-                        .beginTransaction()
-                        .replace(R.id.settings, LockFragment())
-                        .addToBackStack("Lock")
-                        .commitAllowingStateLoss()
-                }
-            }
-            REQUEST_RESTORE -> {
-                if (resultCode == Activity.RESULT_OK) {
-                    val uri = data?.data ?: return
-
-                    try {
-                        val str = contentResolver.openInputStream(uri).use { inputStream ->
-                            inputStream!!
-
-                            inputStream.readBytes().toString(Charset.defaultCharset())
-                        }
-
-                        (application as Pupil).favorites.addAll(json.parse(Int.serializer().list, str).also {
-                            Snackbar.make(
-                                window.decorView,
-                                getString(R.string.settings_restore_successful, it.size),
-                                Snackbar.LENGTH_LONG
-                            ).show()
-                        })
-                    } catch (e: Exception) {
-                        Snackbar.make(
-                            window.decorView,
-                            R.string.settings_restore_failed,
-                            Snackbar.LENGTH_LONG
-                        ).show()
-                    }
-                }
-            }
-            REQUEST_DOWNLOAD_FOLDER -> {
-                if (resultCode == Activity.RESULT_OK) {
-                    data?.data?.also { uri ->
-                        val takeFlags: Int =
-                            intent.flags and (Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
-
-                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
-                            contentResolver.takePersistableUriPermission(uri, takeFlags)
-
-                        val file = uri.toFile(this)
-
-                        if (file?.canWrite() != true)
-                            Snackbar.make(
-                                settings,
-                                R.string.settings_dl_location_not_writable,
-                                Snackbar.LENGTH_LONG
-                            ).show()
-                        else
-                            PreferenceManager.getDefaultSharedPreferences(this).edit()
-                                .putString("dl_location", file.canonicalPath)
-                                .apply()
-                    }
-                }
-            }
-            REQUEST_DOWNLOAD_FOLDER_OLD -> {
-                if (resultCode == DirectoryChooserActivity.RESULT_CODE_DIR_SELECTED) {
-                    val directory = data?.getStringExtra(DirectoryChooserActivity.RESULT_SELECTED_DIR)!!
-
-                    if (!File(directory).canWrite())
-                        Snackbar.make(
-                            settings,
-                            R.string.settings_dl_location_not_writable,
-                            Snackbar.LENGTH_LONG
-                        ).show()
-                    else
-                        PreferenceManager.getDefaultSharedPreferences(this).edit()
-                            .putString("dl_location", File(directory).canonicalPath)
-                            .apply()
-                }
-            }
-            else -> super.onActivityResult(requestCode, resultCode, data)
-        }
-    }
-
-    @SuppressLint("InlinedApi")
-    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
-        when (requestCode) {
-            REQUEST_WRITE_PERMISSION_AND_SAF -> {
-                if (grantResults.firstOrNull() == PackageManager.PERMISSION_GRANTED) {
-                    val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).apply {
-                        putExtra("android.content.extra.SHOW_ADVANCED", true)
-                    }
-
-                    startActivityForResult(intent, REQUEST_DOWNLOAD_FOLDER)
-                }
-            }
-        }
-    }
-}

app/src/main/java/xyz/quaver/pupil/ui/SourceSelector.kt

@@ -0,0 +1,352 @@
+/*
+ *     Pupil, Hitomi.la viewer for Android
+ *     Copyright (C) 2021 tom5079
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package xyz.quaver.pupil.ui
+
+import android.app.Application
+import android.content.Intent
+import android.net.Uri
+import android.provider.Settings
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Download
+import androidx.compose.material.icons.filled.DownloadDone
+import androidx.compose.material.icons.filled.Explore
+import androidx.compose.material.icons.outlined.Info
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.capitalize
+import androidx.compose.ui.text.intl.Locale
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavDestination.Companion.hierarchy
+import androidx.navigation.NavGraph.Companion.findStartDestination
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
+import coil.compose.AsyncImage
+import com.google.accompanist.drawablepainter.rememberDrawablePainter
+import com.google.accompanist.insets.LocalWindowInsets
+import com.google.accompanist.insets.rememberInsetsPaddingValues
+import com.google.accompanist.insets.systemBarsPadding
+import com.google.accompanist.insets.ui.BottomNavigation
+import com.google.accompanist.insets.ui.Scaffold
+import com.google.accompanist.insets.ui.TopAppBar
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import org.kodein.di.DI
+import org.kodein.di.DIAware
+import org.kodein.di.compose.localDI
+import org.kodein.di.instance
+import xyz.quaver.pupil.sources.SourceEntry
+import xyz.quaver.pupil.sources.rememberLocalSourceList
+import xyz.quaver.pupil.sources.rememberRemoteSourceList
+import xyz.quaver.pupil.util.PupilHttpClient
+import xyz.quaver.pupil.util.RemoteSourceInfo
+import xyz.quaver.pupil.util.launchApkInstaller
+import java.io.File
+
+private sealed class SourceSelectorScreen(val route: String, val icon: ImageVector) {
+    object Local: SourceSelectorScreen("local", Icons.Default.DownloadDone)
+    object Explore: SourceSelectorScreen("explore", Icons.Default.Explore)
+}
+
+private val sourceSelectorScreens = listOf(
+    SourceSelectorScreen.Local,
+    SourceSelectorScreen.Explore
+)
+
+private val RemoteSourceInfo.apkUrl: String
+    get() = "https://github.com/tom5079/PupilSources/releases/download/$name-$version/$projectName-release.apk"
+
+
+class DownloadApkActionState(override val di: DI) : DIAware {
+    private val app: Application by instance()
+    private val client: PupilHttpClient by instance()
+
+    var progress by mutableStateOf<Float?>(null)
+        private set
+
+    suspend fun download(url: String): File? = withContext(Dispatchers.IO) {
+        progress = 0f
+
+        val file = File.createTempFile("pupil", ".apk", File(app.cacheDir, "apks").also {
+            it.mkdirs()
+        })
+
+        client.downloadFile(url, file).collect { progress = it }
+
+        if (progress == Float.POSITIVE_INFINITY) file else null
+    }
+
+    fun reset() {
+        progress = null
+    }
+}
+
+@Composable
+fun rememberDownloadApkActionState(di: DI = localDI()) = remember { DownloadApkActionState(di) }
+
+@Composable
+fun DownloadApkAction(
+    state: DownloadApkActionState,
+    content: @Composable () -> Unit
+) {
+    state.progress?.let { progress ->
+        Box(
+            Modifier.padding(12.dp, 0.dp)
+        ) {
+            when {
+                progress.isFinite() && progress > 0f ->
+                    CircularProgressIndicator(progress, modifier = Modifier.size(24.dp))
+                else ->
+                    CircularProgressIndicator(modifier = Modifier.size(24.dp))
+            }
+        }
+
+        true
+    } ?: content()
+}
+
+@Composable
+fun SourceListItem(icon: @Composable (Modifier) -> Unit = { }, name: String, version: String, actions: @Composable () -> Unit = { }) {
+    Card(
+        modifier = Modifier.padding(8.dp),
+        elevation = 4.dp
+    ) {
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.spacedBy(8.dp)
+        ) {
+            icon(Modifier.size(48.dp))
+
+            Column(
+                Modifier.weight(1f)
+            ) {
+                Text(name.capitalize(Locale.current))
+
+                CompositionLocalProvider(LocalContentAlpha provides 0.5f) {
+                    Text(
+                        "v$version",
+                        style = MaterialTheme.typography.caption
+                    )
+                }
+            }
+
+            actions()
+        }
+    }
+}
+
+@Composable
+fun Local(onSource: (SourceEntry) -> Unit) {
+    val coroutineScope = rememberCoroutineScope()
+    val context = LocalContext.current
+
+    val localSourceList by rememberLocalSourceList()
+    val remoteSourceList by rememberRemoteSourceList()
+
+    if (localSourceList.isEmpty()) {
+        Box(Modifier.fillMaxSize()) {
+            Column(
+                Modifier.align(Alignment.Center),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(16.dp)
+            ) {
+                CompositionLocalProvider(LocalContentAlpha provides 0.5f) {
+                    Text("(´∇｀)", style = MaterialTheme.typography.h2)
+                }
+                Text("No sources found!\nLet's go download one.", textAlign = TextAlign.Center)
+            }
+        }
+    } else {
+        LazyColumn {
+            items(localSourceList) { source ->
+                val actionState = rememberDownloadApkActionState()
+
+                SourceListItem(
+                    icon = { modifier ->
+                        Image(
+                            rememberDrawablePainter(source.icon),
+                            contentDescription = "source icon",
+                            modifier = modifier
+                        )
+                    },
+                    source.sourceName,
+                    source.version
+                ) {
+                    DownloadApkAction(actionState) {
+                        val remoteSource = remoteSourceList?.get(source.packageName)
+                        if (remoteSource != null && remoteSource.version != source.version) {
+                            TextButton(onClick = {
+                                coroutineScope.launch {
+                                    val file = actionState.download(remoteSource.apkUrl)!! // TODO("Handle error")
+                                    context.launchApkInstaller(file)
+                                    actionState.reset()
+                                }
+                            }) {
+                                Text("UPDATE")
+                            }
+                        } else {
+                            TextButton(
+                                onClick = { onSource(source) }
+                            ) {
+                                Text("GO")
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun Explore() {
+    val localSourceList by rememberLocalSourceList()
+    val localSources by derivedStateOf {
+        localSourceList.associateBy {
+            it.packageName
+        }
+    }
+
+    val context = LocalContext.current
+
+    val coroutineScope = rememberCoroutineScope()
+
+    val remoteSources by rememberRemoteSourceList()
+
+    Box(
+        Modifier.fillMaxSize()
+    ) {
+        if (remoteSources == null)
+            CircularProgressIndicator(Modifier.align(Alignment.Center))
+        else
+            LazyColumn {
+                items(remoteSources?.values?.toList().orEmpty()) { sourceInfo ->
+                    val actionState = rememberDownloadApkActionState()
+
+                    SourceListItem(
+                        icon = { modifier ->
+                            AsyncImage(
+                                "https://raw.githubusercontent.com/tom5079/PupilSources/master/${sourceInfo.projectName}/src/main/res/mipmap-xxxhdpi/ic_launcher.png",
+                                contentDescription = "source icon",
+                                modifier = modifier
+                            )
+                        },
+                        sourceInfo.name,
+                        sourceInfo.version
+                    ) {
+                        DownloadApkAction(actionState) {
+                            if (localSources[sourceInfo.name]?.version != sourceInfo.version) {
+                                TextButton(onClick = {
+                                    coroutineScope.launch {
+                                        val file = actionState.download(sourceInfo.apkUrl)!! // TODO("Handle exception")
+                                        context.launchApkInstaller(file)
+                                        actionState.reset()
+                                    }
+                                }) {
+                                    Text("UPDATE")
+                                }
+                            } else {
+                                IconButton(onClick = {
+                                    if (sourceInfo.name in localSources) {
+                                        context.startActivity(
+                                            Intent(
+                                                Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
+                                                Uri.fromParts("package", localSources[sourceInfo.name]!!.packagePath, null)
+                                            )
+                                        )
+                                    } else coroutineScope.launch {
+                                        val file = actionState.download(sourceInfo.apkUrl)!! // TODO("Handle exception")
+                                        context.launchApkInstaller(file)
+                                        actionState.reset()
+                                    }
+                                }) {
+                                    Icon(
+                                        if (sourceInfo.name !in localSources) Icons.Default.Download
+                                        else                                  Icons.Outlined.Info,
+                                        contentDescription = "download"
+                                    )
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+    }
+}
+
+@Composable
+fun SourceSelector(onSource: (SourceEntry) -> Unit) {
+    val bottomNavController = rememberNavController()
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = {
+                    Text("Pupil")
+                },
+                contentPadding = rememberInsetsPaddingValues(LocalWindowInsets.current.statusBars)
+            )
+        },
+        bottomBar = {
+            BottomNavigation(
+                contentPadding = rememberInsetsPaddingValues(LocalWindowInsets.current.navigationBars)
+            ) {
+                val navBackStackEntry by bottomNavController.currentBackStackEntryAsState()
+                val currentDestination = navBackStackEntry?.destination
+
+                sourceSelectorScreens.forEach { screen ->
+                    BottomNavigationItem(
+                        icon = { Icon(screen.icon, contentDescription = screen.route) },
+                        label = { Text(screen.route) },
+                        selected = currentDestination?.hierarchy?.any { it.route == screen.route } == true,
+                        onClick = {
+                            bottomNavController.navigate(screen.route) {
+                                popUpTo(bottomNavController.graph.findStartDestination().id) {
+                                    saveState = true
+                                }
+                                launchSingleTop = true
+                                restoreState = true
+                            }
+                        }
+                    )
+                }
+            }
+        }
+    ) { contentPadding ->
+        NavHost(bottomNavController, startDestination = "local", modifier = Modifier
+            .systemBarsPadding(top = false, bottom = false)
+            .padding(contentPadding)) {
+            composable(SourceSelectorScreen.Local.route) { Local(onSource) }
+            composable(SourceSelectorScreen.Explore.route) { Explore() }
+        }
+    }
+
+}

app/src/main/java/xyz/quaver/pupil/ui/UpdateDialog.kt

@@ -0,0 +1,95 @@
+/*
+ *     Pupil, Hitomi.la viewer for Android
+ *     Copyright (C) 2022  tom5079
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package xyz.quaver.pupil.ui
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import kotlinx.coroutines.launch
+import org.kodein.di.compose.onDIContext
+import xyz.quaver.pupil.util.Release
+import xyz.quaver.pupil.util.launchApkInstaller
+import java.util.*
+
+@Composable
+fun UpdateAlertDialog(
+    show: Boolean,
+    release: Release,
+    onDismiss: () -> Unit
+) {
+    val state = rememberDownloadApkActionState()
+
+    val coroutineScope = rememberCoroutineScope()
+    val context = LocalContext.current
+
+    if (show) {
+        Dialog(onDismissRequest = { if (state.progress == null) onDismiss() }) {
+            Card {
+                val progress = state.progress
+
+                if (progress != null) {
+                    if (progress.isFinite() && progress > 0)
+                        LinearProgressIndicator(progress)
+                    else
+                        LinearProgressIndicator()
+                }
+
+                Column(
+                    Modifier.padding(start = 8.dp, top = 8.dp, end = 8.dp, bottom = 0.dp),
+                    verticalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    Text(
+                        "Update Available",
+                        style = MaterialTheme.typography.h6
+                    )
+
+                    Text(release.releaseNotes.getOrElse(Locale.getDefault()) { release.releaseNotes[Locale.ENGLISH]!! })
+
+                    Row(
+                        Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.End
+                    ) {
+                        TextButton(onClick = onDismiss, enabled = progress == null) {
+                            Text("DISMISS")
+                        }
+
+                        TextButton(
+                            onClick = {
+                                coroutineScope.launch {
+                                    val file = state.download(release.apkUrl)!! // TODO("Handle exception")
+                                    context.launchApkInstaller(file)
+                                    state.reset()
+                                    onDismiss()
+                                }
+                            },
+                            enabled = progress == null
+                        ) {
+                            Text("UPDATE")
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/xyz/quaver/pupil/ui/dialog/DefaultQueryDialog.kt

@@ -1,152 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui.dialog
-
-import android.annotation.SuppressLint
-import android.app.Dialog
-import android.content.Context
-import android.os.Bundle
-import android.text.Editable
-import android.text.TextWatcher
-import android.view.LayoutInflater
-import android.view.View
-import android.widget.ArrayAdapter
-import androidx.appcompat.app.AlertDialog
-import androidx.preference.PreferenceManager
-import kotlinx.android.synthetic.main.dialog_default_query.*
-import kotlinx.android.synthetic.main.dialog_default_query.view.*
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.types.Tags
-
-class DefaultQueryDialog(context : Context) : AlertDialog(context) {
-
-    private val languages = context.resources.getStringArray(R.array.languages).map {
-        it.split("|").let { split ->
-            Pair(split[0], split[1])
-        }
-    }.toMap()
-    private val reverseLanguages = languages.entries.associate { (k, v) -> v to k }
-
-    private val excludeBL = "-male:yaoi"
-    private val excludeGuro = listOf("-female:guro", "-male:guro")
-
-    var onPositiveButtonClickListener : ((Tags) -> (Unit))? = null
-
-    @SuppressLint("InflateParams")
-    override fun onCreate(savedInstanceState: Bundle?) {
-        setTitle(R.string.default_query_dialog_title)
-        setView(build())
-        setButton(Dialog.BUTTON_POSITIVE, context.getString(android.R.string.ok)) { _, _ ->
-            val newTags = Tags.parse(default_query_dialog_edittext.text.toString())
-
-            with(default_query_dialog_language_selector) {
-                if (selectedItemPosition != 0)
-                    newTags.add("language:${reverseLanguages[selectedItem]}")
-            }
-
-            if (default_query_dialog_BL_checkbox.isChecked)
-                newTags.add(excludeBL)
-
-            if (default_query_dialog_guro_checkbox.isChecked)
-                excludeGuro.forEach { tag ->
-                    newTags.add(tag)
-                }
-
-            onPositiveButtonClickListener?.invoke(newTags)
-        }
-
-        super.onCreate(savedInstanceState)
-    }
-
-    @SuppressLint("InflateParams")
-    private fun build() : View {
-        val preferences = PreferenceManager.getDefaultSharedPreferences(context)
-        val tags = Tags.parse(
-            preferences.getString("default_query", "") ?: ""
-        )
-
-        val view = LayoutInflater.from(context).inflate(R.layout.dialog_default_query, null)
-
-        with(view.default_query_dialog_language_selector) {
-            adapter =
-                ArrayAdapter(
-                    context,
-                    android.R.layout.simple_spinner_dropdown_item,
-                    arrayListOf(
-                        context.getString(R.string.default_query_dialog_language_selector_none)
-                    ).apply {
-                        addAll(languages.values)
-                    }
-                )
-            if (tags.any { it.area == "language" && !it.isNegative }) {
-                val tag = languages[tags.first { it.area == "language" }.tag]
-                if (tag != null) {
-                    setSelection(
-                        @Suppress("UNCHECKED_CAST")
-                        (adapter as ArrayAdapter<String>).getPosition(tag)
-                    )
-                    tags.removeByArea("language", false)
-                }
-            }
-        }
-
-        with(view.default_query_dialog_BL_checkbox) {
-            isChecked = tags.contains(excludeBL)
-            if (tags.contains(excludeBL))
-                tags.remove(excludeBL)
-        }
-
-        with(view.default_query_dialog_guro_checkbox) {
-            isChecked = excludeGuro.all { tags.contains(it) }
-            if (excludeGuro.all { tags.contains(it) })
-                excludeGuro.forEach {
-                    tags.remove(it)
-                }
-        }
-
-        with(view.default_query_dialog_edittext) {
-            setText(tags.toString(), android.widget.TextView.BufferType.EDITABLE)
-            addTextChangedListener(object : TextWatcher {
-                override fun beforeTextChanged(
-                    s: CharSequence?,
-                    start: Int,
-                    count: Int,
-                    after: Int
-                ) {
-                }
-
-                override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
-
-                override fun afterTextChanged(s: Editable?) {
-                    s ?: return
-
-                    if (s.any { it.isUpperCase() })
-                        s.replace(
-                            0,
-                            s.length,
-                            s.toString().toLowerCase(java.util.Locale.getDefault())
-                        )
-                }
-            })
-        }
-
-        return view
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/ui/dialog/DownloadLocationDialog.kt

@@ -1,138 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui.dialog
-
-import android.Manifest
-import android.annotation.SuppressLint
-import android.app.Activity
-import android.app.Dialog
-import android.content.Intent
-import android.content.pm.PackageManager
-import android.os.Build
-import android.os.Bundle
-import android.view.View
-import android.widget.LinearLayout
-import android.widget.RadioButton
-import androidx.appcompat.app.AlertDialog
-import androidx.core.app.ActivityCompat
-import androidx.core.content.ContextCompat
-import androidx.preference.PreferenceManager
-import kotlinx.android.synthetic.main.item_dl_location.view.*
-import net.rdrei.android.dirchooser.DirectoryChooserActivity
-import net.rdrei.android.dirchooser.DirectoryChooserConfig
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.util.*
-import java.io.File
-
-@SuppressLint("InflateParams")
-class DownloadLocationDialog(val activity: Activity) : AlertDialog(activity) {
-
-    private val preference = PreferenceManager.getDefaultSharedPreferences(context)
-    private val buttons = mutableListOf<Pair<RadioButton, File?>>()
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        setTitle(R.string.settings_dl_location)
-
-        setView(build())
-
-        setButton(Dialog.BUTTON_POSITIVE, context.getText(android.R.string.ok)) { _, _ -> }
-
-        super.onCreate(savedInstanceState)
-    }
-
-    private fun build() : View {
-        val view = layoutInflater.inflate(R.layout.dialog_dl_location, null) as LinearLayout
-
-        val externalFilesDirs = ContextCompat.getExternalFilesDirs(context, null)
-
-        externalFilesDirs.forEachIndexed { index, dir ->
-
-            dir ?: return@forEachIndexed
-
-            view.addView(layoutInflater.inflate(R.layout.item_dl_location, view, false).apply {
-                location_type.text = context.getString(when (index) {
-                    0 -> R.string.settings_dl_location_internal
-                    else -> R.string.settings_dl_location_removable
-                })
-                location_available.text = context.getString(
-                    R.string.settings_dl_location_available,
-                    byteToString(dir.freeSpace)
-                )
-                setOnClickListener {
-                    buttons.forEach { pair ->
-                        pair.first.isChecked = false
-                    }
-                    button.performClick()
-                    preference.edit().putString("dl_location", dir.canonicalPath).apply()
-                }
-                buttons.add(button to dir)
-            })
-        }
-
-        view.addView(layoutInflater.inflate(R.layout.item_dl_location, view, false).apply {
-            location_type.text = context.getString(R.string.settings_dl_location_custom)
-            setOnClickListener {
-                buttons.forEach { pair ->
-                    pair.first.isChecked = false
-                }
-                button.performClick()
-
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-
-                    if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED)
-                        ActivityCompat.requestPermissions(activity, arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), REQUEST_WRITE_PERMISSION_AND_SAF)
-                    else {
-                        val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).apply {
-                            putExtra("android.content.extra.SHOW_ADVANCED", true)
-                        }
-
-                        activity.startActivityForResult(intent, REQUEST_DOWNLOAD_FOLDER)
-                    }
-
-                    dismiss()
-                } else {    // Can't use SAF on old Androids!
-                    val config = DirectoryChooserConfig.builder()
-                        .newDirectoryName("Pupil")
-                        .allowNewDirectoryNameModification(true)
-                        .build()
-
-                    val intent = Intent(context, DirectoryChooserActivity::class.java).apply {
-                        putExtra(DirectoryChooserActivity.EXTRA_CONFIG, config)
-                    }
-
-                    activity.startActivityForResult(intent, REQUEST_DOWNLOAD_FOLDER_OLD)
-                    dismiss()
-                }
-            }
-            buttons.add(button to null)
-        })
-
-        externalFilesDirs.indexOfFirst {
-            it.canonicalPath == getDownloadDirectory(context).canonicalPath
-        }.let { index ->
-            if (index < 0)
-                buttons.first().first.isChecked = true
-            else
-                buttons[index].first.isChecked = true
-        }
-
-        return view
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/ui/dialog/GalleryDialog.kt

@@ -1,284 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui.dialog
-
-import android.app.Dialog
-import android.content.Context
-import android.content.Intent
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.widget.LinearLayout.LayoutParams
-import androidx.core.content.ContextCompat
-import androidx.recyclerview.widget.GridLayoutManager
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import com.bumptech.glide.Glide
-import com.google.android.material.chip.Chip
-import com.google.android.material.snackbar.Snackbar
-import kotlinx.android.synthetic.main.dialog_gallery.*
-import kotlinx.android.synthetic.main.gallery_details.view.*
-import kotlinx.android.synthetic.main.item_gallery_details.view.*
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.async
-import kotlinx.coroutines.launch
-import xyz.quaver.hitomi.Gallery
-import xyz.quaver.hitomi.GalleryBlock
-import xyz.quaver.hitomi.getGallery
-import xyz.quaver.pupil.BuildConfig
-import xyz.quaver.pupil.Pupil
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.adapters.GalleryBlockAdapter
-import xyz.quaver.pupil.adapters.ThumbnailAdapter
-import xyz.quaver.pupil.types.Tag
-import xyz.quaver.pupil.ui.ReaderActivity
-import xyz.quaver.pupil.util.ItemClickSupport
-import xyz.quaver.pupil.util.download.Cache
-import xyz.quaver.pupil.util.wordCapitalize
-
-class GalleryDialog(context: Context, private val galleryID: Int) : Dialog(context) {
-
-    private val languages = context.resources.getStringArray(R.array.languages).map {
-        it.split("|").let { split ->
-            Pair(split[0], split[1])
-        }
-    }.toMap()
-
-    private val glide = Glide.with(context)
-
-    val onChipClickedHandler = ArrayList<((Tag) -> (Unit))>()
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.dialog_gallery)
-
-        window?.attributes.apply {
-            this ?: return@apply
-
-            width = LayoutParams.MATCH_PARENT
-            height = LayoutParams.MATCH_PARENT
-        }
-
-        with(gallery_fab) {
-            setImageDrawable(ContextCompat.getDrawable(context, R.drawable.arrow_right))
-            setOnClickListener {
-                context.startActivity(Intent(context, ReaderActivity::class.java).apply {
-                    putExtra("galleryID", galleryID)
-                })
-                (context.applicationContext as Pupil).histories.add(galleryID)
-            }
-        }
-
-        CoroutineScope(Dispatchers.IO).launch {
-            try {
-                val gallery = getGallery(galleryID)
-
-                launch(Dispatchers.Main) {
-                    gallery_progressbar.visibility = View.GONE
-                    gallery_title.text = gallery.title
-                    gallery_artist.text = gallery.artists.joinToString(", ") { it.wordCapitalize() }
-
-                    with(gallery_type) {
-                        text = gallery.type.wordCapitalize()
-                        setOnClickListener {
-                            gallery.type.let {
-                                when (it) {
-                                    "artist CG" -> "artistcg"
-                                    "game CG" -> "gamecg"
-                                    else -> it
-                                }
-                            }.let {
-                                onChipClickedHandler.forEach { handler ->
-                                    handler.invoke(Tag("type", it))
-                                }
-                            }
-                        }
-                    }
-
-                    Glide.with(context)
-                        .load(gallery.cover)
-                        .apply {
-                            if (BuildConfig.CENSOR)
-                                override(5, 8)
-                        }.into(gallery_cover)
-
-                    addDetails(gallery)
-                    addThumbnails(gallery)
-                    addRelated(gallery)
-                }
-            } catch (e: Exception) {
-                Snackbar.make(gallery_layout, R.string.unable_to_connect, Snackbar.LENGTH_INDEFINITE).show()
-            }
-        }
-    }
-
-    private fun addDetails(gallery: Gallery) {
-        val inflater = LayoutInflater.from(context)
-        
-        inflater.inflate(R.layout.gallery_details, gallery_contents, false).apply {
-            gallery_details.setText(R.string.gallery_details)
-
-            listOf(
-                R.string.gallery_artists,
-                R.string.gallery_groups,
-                R.string.gallery_language,
-                R.string.gallery_series,
-                R.string.gallery_characters,
-                R.string.gallery_tags
-            ).zip(
-                listOf(
-                    gallery.artists.map { Tag("artist", it) },
-                    gallery.groups.map { Tag("group", it) },
-                    listOf(gallery.language).map { Tag("language", it) },
-                    gallery.series.map { Tag("series", it) },
-                    gallery.characters.map { Tag("character", it) },
-                    gallery.tags.map {
-                        Tag.parse(it).let { tag ->
-                            when {
-                                tag.area != null -> tag
-                                else -> Tag("tag", it)
-                            }
-                        }
-                    }
-                )
-            ).filter {
-                (_, content) -> content.isNotEmpty()
-            }.forEach { (title, content) ->
-                inflater.inflate(R.layout.item_gallery_details, gallery_details_contents, false).apply {
-                    gallery_details_type.setText(title)
-
-                    content.forEach { tag ->
-                        gallery_details_tags.addView(
-                            Chip(context).apply {
-                                chipIcon = when(tag.area) {
-                                    "male" -> {
-                                        setChipBackgroundColorResource(R.color.material_blue_700)
-                                        setTextColor(ContextCompat.getColor(context, android.R.color.white))
-                                        ContextCompat.getDrawable(context, R.drawable.ic_gender_male_white)
-                                    }
-                                    "female" -> {
-                                        setChipBackgroundColorResource(R.color.material_pink_600)
-                                        setTextColor(ContextCompat.getColor(context, android.R.color.white))
-                                        ContextCompat.getDrawable(context, R.drawable.ic_gender_female_white)
-                                    }
-                                    else -> null
-                                }
-
-                                text = when (tag.area) {
-                                    "language" -> languages[tag.tag]
-                                    else -> tag.tag.wordCapitalize()
-                                }
-
-                                setEnsureMinTouchTargetSize(false)
-
-                                setOnClickListener {
-                                    onChipClickedHandler.forEach { handler ->
-                                        handler.invoke(tag)
-                                    }
-                                }
-                            }
-                        )
-                    }
-                }.let {
-                    gallery_details_contents.addView(it)
-                }
-            }
-        }.let {
-            gallery_contents.addView(it)
-        }
-    }
-
-    private fun addThumbnails(gallery: Gallery) {
-        val inflater = LayoutInflater.from(context)
-
-        inflater.inflate(R.layout.gallery_details, gallery_contents, false).apply {
-            gallery_details.setText(R.string.gallery_thumbnails)
-
-            RecyclerView(context).apply {
-                layoutManager = GridLayoutManager(context, 3)
-                adapter = ThumbnailAdapter(glide, gallery.thumbnails)
-            }.let {
-                gallery_details_contents.addView(it, LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT))
-            }
-        }.let {
-            gallery_contents.addView(it)
-        }
-    }
-
-    private fun addRelated(gallery: Gallery) {
-        val inflater = LayoutInflater.from(context)
-        val galleries = ArrayList<GalleryBlock>()
-
-        val adapter = GalleryBlockAdapter(context, galleries).apply {
-            onChipClickedHandler.add { tag ->
-                this@GalleryDialog.onChipClickedHandler.forEach { handler ->
-                    handler.invoke(tag)
-                }
-            }
-        }
-
-        CoroutineScope(Dispatchers.Main).launch {
-            gallery.related.forEachIndexed { i, galleryID ->
-                async(Dispatchers.IO) {
-                    Cache(context).getGalleryBlock(galleryID)
-                }.let {
-                    val galleryBlock = it.await() ?: return@let
-
-                    galleries.add(galleryBlock)
-                    adapter.notifyItemInserted(i)
-                }
-            }
-        }
-
-        inflater.inflate(R.layout.gallery_details, gallery_contents, false).apply {
-            gallery_details.setText(R.string.gallery_related)
-
-            RecyclerView(context).apply {
-                layoutManager = LinearLayoutManager(context)
-                this.adapter = adapter
-
-                ItemClickSupport.addTo(this)
-                    .setOnItemClickListener { _, position, _ ->
-                        context.startActivity(Intent(context, ReaderActivity::class.java).apply {
-                            putExtra("galleryID", galleries[position].id)
-                        })
-                        (context.applicationContext as Pupil).histories.add(galleries[position].id)
-                    }
-                    .setOnItemLongClickListener { _, position, _ ->
-                        GalleryDialog(
-                            context,
-                            galleries[position].id
-                        ).apply {
-                            onChipClickedHandler.add { tag ->
-                                this@GalleryDialog.onChipClickedHandler.forEach { it.invoke(tag) }
-                            }
-                        }.show()
-
-                        true
-                    }
-            }.let {
-                gallery_details_contents.addView(it, LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT))
-            }
-        }.let {
-            gallery_contents.addView(it)
-        }
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/ui/dialog/MirrorDialog.kt

@@ -1,94 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui.dialog
-
-import android.annotation.SuppressLint
-import android.app.Dialog
-import android.content.Context
-import android.os.Bundle
-import android.view.View
-import androidx.appcompat.app.AlertDialog
-import androidx.preference.PreferenceManager
-import androidx.recyclerview.widget.DividerItemDecoration
-import androidx.recyclerview.widget.ItemTouchHelper
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.adapters.MirrorAdapter
-
-class MirrorDialog(context: Context) : AlertDialog(context) {
-
-    class ItemTouchHelperCallback : ItemTouchHelper.Callback() {
-
-        var onMoveItem : ((Int, Int) -> (Unit))? = null
-
-        override fun getMovementFlags(
-            recyclerView: RecyclerView,
-            viewHolder: RecyclerView.ViewHolder
-        ) = makeMovementFlags(ItemTouchHelper.UP or ItemTouchHelper.DOWN, 0)
-
-        override fun onMove(
-            recyclerView: RecyclerView,
-            viewHolder: RecyclerView.ViewHolder,
-            target: RecyclerView.ViewHolder
-        ): Boolean {
-            onMoveItem?.invoke(viewHolder.adapterPosition, target.adapterPosition)
-            return true
-        }
-
-        override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
-
-        }
-    }
-
-    @SuppressLint("InflateParams")
-    override fun onCreate(savedInstanceState: Bundle?) {
-        setTitle(R.string.settings_mirror_title)
-        setView(build())
-        setButton(Dialog.BUTTON_POSITIVE, context.getString(android.R.string.ok)) { _, _ -> }
-
-        super.onCreate(savedInstanceState)
-    }
-
-    private fun build() : View {
-        return RecyclerView(context).apply recyclerview@{
-            addItemDecoration(DividerItemDecoration(context, DividerItemDecoration.VERTICAL))
-            layoutManager = LinearLayoutManager(context)
-            adapter = MirrorAdapter(context).apply adapter@{
-                val itemTouchHelper = ItemTouchHelper(ItemTouchHelperCallback().apply {
-                    onMoveItem = this@adapter.onItemMove
-                }).apply {
-                    attachToRecyclerView(this@recyclerview)
-                }
-
-                onStartDrag = {
-                    itemTouchHelper.startDrag(it)
-                }
-
-                onItemMoved = {
-                    PreferenceManager.getDefaultSharedPreferences(context)
-                        .edit()
-                        .putString("mirrors", it.joinToString(">"))
-                        .apply()
-                }
-            }
-        }
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/ui/dialog/ProxyDialog.kt

@@ -1,133 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui.dialog
-
-import android.annotation.SuppressLint
-import android.app.Dialog
-import android.content.Context
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.AdapterView
-import android.widget.ArrayAdapter
-import androidx.preference.PreferenceManager
-import kotlinx.android.synthetic.main.dialog_proxy.view.*
-import xyz.quaver.proxy
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.util.ProxyInfo
-import xyz.quaver.pupil.util.getProxyInfo
-import xyz.quaver.pupil.util.json
-import java.net.Proxy
-
-class ProxyDialog(context: Context) : Dialog(context) {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        val view = build()
-
-        setTitle(R.string.settings_proxy_title)
-        setContentView(view)
-
-        window?.attributes?.width = ViewGroup.LayoutParams.MATCH_PARENT
-
-        super.onCreate(savedInstanceState)
-    }
-
-    @SuppressLint("InflateParams")
-    private fun build() : View {
-        val proxyInfo = getProxyInfo(context)
-
-        val view = LayoutInflater.from(context).inflate(R.layout.dialog_proxy, null)
-
-        val enabler = { enable: Boolean ->
-            view?.proxy_addr?.isEnabled = enable
-            view?.proxy_port?.isEnabled = enable
-            view?.proxy_username?.isEnabled = enable
-            view?.proxy_password?.isEnabled = enable
-
-            if (!enable) {
-                view?.proxy_addr?.text = null
-                view?.proxy_port?.text = null
-                view?.proxy_username?.text = null
-                view?.proxy_password?.text = null
-            }
-        }
-
-        with(view.proxy_type_selector) {
-            adapter = ArrayAdapter(
-                context,
-                android.R.layout.simple_spinner_dropdown_item,
-                context.resources.getStringArray(R.array.proxy_type)
-            )
-
-            setSelection(proxyInfo.type.ordinal)
-
-            onItemSelectedListener = object: AdapterView.OnItemSelectedListener {
-                override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
-                    enabler.invoke(position != 0)
-                }
-
-                override fun onNothingSelected(parent: AdapterView<*>?) {}
-            }
-        }
-
-        view.proxy_addr.setText(proxyInfo.host)
-        view.proxy_port.setText(proxyInfo.port?.toString())
-        view.proxy_username.setText(proxyInfo.username)
-        view.proxy_password.setText(proxyInfo.password)
-
-        enabler.invoke(proxyInfo.type != Proxy.Type.DIRECT)
-
-        view.proxy_cancel.setOnClickListener {
-            dismiss()
-        }
-
-        view.proxy_ok.setOnClickListener {
-            val type = Proxy.Type.values()[view.proxy_type_selector.selectedItemPosition]
-            val addr = view.proxy_addr.text?.toString()
-            val port = view.proxy_port.text?.toString()?.toIntOrNull()
-            val username = view.proxy_username.text?.toString()
-            val password = view.proxy_password.text?.toString()
-
-            if (type != Proxy.Type.DIRECT) {
-                if (addr == null || addr.isEmpty())
-                    view.proxy_addr.error = context.getText(R.string.proxy_dialog_error)
-                if (port == null)
-                    view.proxy_port.error = context.getText(R.string.proxy_dialog_error)
-
-                if (addr == null || addr.isEmpty() || port == null)
-                    return@setOnClickListener
-            }
-
-            ProxyInfo(type, addr, port, username, password).let {
-
-                PreferenceManager.getDefaultSharedPreferences(context).edit().putString("proxy",
-                    json.stringify(ProxyInfo.serializer(), it)
-                ).apply()
-
-                proxy = it.proxy()
-            }
-
-            dismiss()
-        }
-
-        return view
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/ui/fragment/LockFragment.kt

@@ -1,81 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui.fragment
-
-import android.content.Intent
-import android.os.Bundle
-import androidx.appcompat.app.AlertDialog
-import androidx.preference.Preference
-import androidx.preference.PreferenceFragmentCompat
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.ui.LockActivity
-import xyz.quaver.pupil.util.Lock
-import xyz.quaver.pupil.util.LockManager
-
-class LockFragment : PreferenceFragmentCompat() {
-
-    override fun onResume() {
-        super.onResume()
-
-        val lockManager = LockManager(context!!)
-
-        findPreference<Preference>("lock_pattern")?.summary =
-            if (lockManager.contains(Lock.Type.PATTERN))
-                getString(R.string.settings_lock_enabled)
-            else
-                ""
-    }
-
-    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
-        setPreferencesFromResource(R.xml.lock_preferences, rootKey)
-
-        with(findPreference<Preference>("lock_pattern")) {
-            this!!
-
-            if (LockManager(context!!).contains(Lock.Type.PATTERN))
-                summary = getString(R.string.settings_lock_enabled)
-
-            onPreferenceClickListener = Preference.OnPreferenceClickListener {
-                val lockManager = LockManager(context!!)
-
-                if (lockManager.contains(Lock.Type.PATTERN)) {
-                    AlertDialog.Builder(context).apply {
-                        setTitle(R.string.warning)
-                        setMessage(R.string.settings_lock_remove_message)
-
-                        setPositiveButton(android.R.string.yes) { _, _ ->
-                            lockManager.remove(Lock.Type.PATTERN)
-                            onResume()
-                        }
-                        setNegativeButton(android.R.string.no) { _, _ -> }
-                    }.show()
-                } else {
-                    val intent = Intent(context, LockActivity::class.java).apply {
-                        putExtra("mode", "add_lock")
-                        putExtra("type", "pattern")
-                    }
-
-                    startActivity(intent)
-                }
-
-                true
-            }
-        }
-    }
-}

app/src/main/java/xyz/quaver/pupil/ui/fragment/PatternLockFragment.kt

@@ -1,63 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui.fragment
-
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import androidx.fragment.app.Fragment
-import com.andrognito.patternlockview.PatternLockView
-import com.andrognito.patternlockview.listener.PatternLockViewListener
-import com.andrognito.patternlockview.utils.PatternLockUtils
-import kotlinx.android.synthetic.main.fragment_pattern_lock.*
-import kotlinx.android.synthetic.main.fragment_pattern_lock.view.*
-import xyz.quaver.pupil.R
-
-class PatternLockFragment : Fragment(), PatternLockViewListener {
-
-    var onPatternDrawn: ((String) -> Unit)? = null
-
-    override fun onCreateView(
-        inflater: LayoutInflater, container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
-        return inflater.inflate(R.layout.fragment_pattern_lock, container, false).apply {
-            lock_pattern_view.addPatternLockListener(this@PatternLockFragment)
-        }
-    }
-
-    override fun onCleared() {
-
-    }
-
-    override fun onComplete(pattern: MutableList<PatternLockView.Dot>?) {
-        val password = PatternLockUtils.patternToMD5(lock_pattern_view, pattern)
-        onPatternDrawn?.invoke(password)
-    }
-
-    override fun onProgress(progressPattern: MutableList<PatternLockView.Dot>?) {
-
-    }
-
-    override fun onStarted() {
-
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt

@@ -1,306 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.ui.fragment
-
-import android.content.Intent
-import android.content.SharedPreferences
-import android.os.Bundle
-import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.app.AppCompatDelegate
-import androidx.core.content.ContextCompat
-import androidx.preference.Preference
-import androidx.preference.PreferenceCategory
-import androidx.preference.PreferenceFragmentCompat
-import androidx.preference.PreferenceManager
-import com.google.android.material.snackbar.Snackbar
-import xyz.quaver.pupil.Pupil
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.ui.LockActivity
-import xyz.quaver.pupil.ui.SettingsActivity
-import xyz.quaver.pupil.ui.dialog.DefaultQueryDialog
-import xyz.quaver.pupil.ui.dialog.DownloadLocationDialog
-import xyz.quaver.pupil.ui.dialog.MirrorDialog
-import xyz.quaver.pupil.ui.dialog.ProxyDialog
-import xyz.quaver.pupil.util.*
-import java.io.File
-
-
-class SettingsFragment :
-    PreferenceFragmentCompat(),
-    Preference.OnPreferenceClickListener,
-    Preference.OnPreferenceChangeListener,
-    SharedPreferences.OnSharedPreferenceChangeListener {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        PreferenceManager.getDefaultSharedPreferences(context).registerOnSharedPreferenceChangeListener(this)
-    }
-
-    override fun onResume() {
-        super.onResume()
-
-        val lockManager = LockManager(context!!)
-
-        findPreference<Preference>("app_lock")?.summary = if (lockManager.locks.isNullOrEmpty()) {
-            getString(R.string.settings_lock_none)
-        } else {
-            lockManager.locks?.joinToString(", ") {
-                when(it.type) {
-                    Lock.Type.PATTERN -> getString(R.string.settings_lock_pattern)
-                    Lock.Type.PIN -> getString(R.string.settings_lock_pin)
-                    Lock.Type.PASSWORD -> getString(R.string.settings_lock_password)
-                }
-            }
-        }
-    }
-
-    private fun getDirSize(dir: File) : String {
-        val size = dir.walk().map { it.length() }.sum()
-
-        return getString(R.string.settings_clear_summary, byteToString(size))
-    }
-
-    override fun onPreferenceClick(preference: Preference?): Boolean {
-        with (preference) {
-            this ?: return false
-
-            when (key) {
-                "app_version" -> {
-                    checkUpdate(activity as SettingsActivity, true)
-                }
-                "delete_cache" -> {
-                    val dir = File(context.cacheDir, "imageCache")
-
-                    AlertDialog.Builder(context).apply {
-                        setTitle(R.string.warning)
-                        setMessage(R.string.settings_clear_cache_alert_message)
-                        setPositiveButton(android.R.string.yes) { _, _ ->
-                            if (dir.exists())
-                                dir.deleteRecursively()
-
-                            summary = getDirSize(dir)
-                        }
-                        setNegativeButton(android.R.string.no) { _, _ -> }
-                    }.show()
-                }
-                "delete_downloads" -> {
-                    val dir = getDownloadDirectory(context)
-
-                    AlertDialog.Builder(context).apply {
-                        setTitle(R.string.warning)
-                        setMessage(R.string.settings_clear_downloads_alert_message)
-                        setPositiveButton(android.R.string.yes) { _, _ ->
-                            if (dir.exists())
-                                dir.deleteRecursively()
-
-                            summary = getDirSize(dir)
-                        }
-                        setNegativeButton(android.R.string.no) { _, _ -> }
-                    }.show()
-                }
-                "clear_history" -> {
-                    val histories = (context.applicationContext as Pupil).histories
-
-                    AlertDialog.Builder(context).apply {
-                        setTitle(R.string.warning)
-                        setMessage(R.string.settings_clear_history_alert_message)
-                        setPositiveButton(android.R.string.yes) { _, _ ->
-                            histories.clear()
-                            summary = getString(R.string.settings_clear_history_summary, histories.size)
-                        }
-                        setNegativeButton(android.R.string.no) { _, _ -> }
-                    }.show()
-                }
-                "dl_location" -> {
-                    DownloadLocationDialog(activity!!).show()
-                }
-                "default_query" -> {
-                    DefaultQueryDialog(context).apply {
-                        onPositiveButtonClickListener = { newTags ->
-                            sharedPreferences.edit().putString("default_query", newTags.toString()).apply()
-                            summary = newTags.toString()
-                        }
-                    }.show()
-                }
-                "app_lock" -> {
-                    val intent = Intent(context, LockActivity::class.java)
-                    activity?.startActivityForResult(intent, REQUEST_LOCK)
-                }
-                "mirrors" -> {
-                    MirrorDialog(context)
-                        .show()
-                }
-                "proxy" -> {
-                    ProxyDialog(context)
-                        .show()
-                }
-                "backup" -> {
-                    File(ContextCompat.getDataDir(context), "favorites.json").copyTo(
-                        File(getDownloadDirectory(context), "favorites.json"),
-                        true
-                    )
-
-                    Snackbar.make(this@SettingsFragment.listView, R.string.settings_backup_snackbar, Snackbar.LENGTH_LONG)
-                        .show()
-                }
-                "restore" -> {
-                    val intent = Intent(Intent.ACTION_GET_CONTENT).apply {
-                        addCategory(Intent.CATEGORY_OPENABLE)
-                        type = "*/*"
-                    }
-
-                    activity?.startActivityForResult(intent, REQUEST_RESTORE)
-                }
-                else -> return false
-            }
-        }
-
-        return true
-    }
-
-    override fun onPreferenceChange(preference: Preference?, newValue: Any?): Boolean {
-        with (preference) {
-            this ?: return false
-
-            when (key) {
-                "dark_mode" -> {
-                    AppCompatDelegate.setDefaultNightMode(when (newValue as Boolean) {
-                        true -> AppCompatDelegate.MODE_NIGHT_YES
-                        false -> AppCompatDelegate.MODE_NIGHT_NO
-                    })
-                }
-                else -> return false
-            }
-        }
-
-        return true
-    }
-
-    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
-        key ?: return
-
-        with(findPreference<Preference>(key)) {
-            this ?: return
-
-            when (key) {
-                "proxy" -> {
-                    summary = getProxyInfo(context).type.name
-                }
-                "dl_location" -> {
-                    summary = getDownloadDirectory(context!!).canonicalPath
-                }
-            }
-        }
-    }
-
-    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
-        setPreferencesFromResource(R.xml.root_preferences, rootKey)
-
-        initPreferences()
-    }
-
-    private fun initPreferences() {
-        for (i in 0 until preferenceScreen.preferenceCount) {
-
-            preferenceScreen.getPreference(i).run {
-                if (this is PreferenceCategory)
-                    (0 until preferenceCount).map { getPreference(it) }
-                else
-                    listOf(this)
-            }.forEach { preference ->
-                with (preference) {
-
-                    when (key) {
-                        "app_version" -> {
-                            val manager = context.packageManager
-                            val info = manager.getPackageInfo(context.packageName, 0)
-                            summary = context.getString(R.string.settings_app_version_description, info.versionName)
-
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "delete_cache" -> {
-                            val dir = File(context.cacheDir, "imageCache")
-                            summary = getDirSize(dir)
-
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "delete_downloads" -> {
-                            val dir = getDownloadDirectory(context)
-                            summary = getDirSize(dir)
-
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "clear_history" -> {
-                            val histories = (activity!!.application as Pupil).histories
-                            summary = getString(R.string.settings_clear_history_summary, histories.size)
-
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "dl_location" -> {
-                            summary = getDownloadDirectory(context).canonicalPath
-
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "default_query" -> {
-                            summary = PreferenceManager.getDefaultSharedPreferences(context).getString("default_query", "") ?: ""
-
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "app_lock" -> {
-                            val lockManager = LockManager(context)
-                            summary =
-                                if (lockManager.locks.isNullOrEmpty()) {
-                                    getString(R.string.settings_lock_none)
-                                } else {
-                                    lockManager.locks?.joinToString(", ") {
-                                        when (it.type) {
-                                            Lock.Type.PATTERN -> getString(R.string.settings_lock_pattern)
-                                            Lock.Type.PIN -> getString(R.string.settings_lock_pin)
-                                            Lock.Type.PASSWORD -> getString(R.string.settings_lock_password)
-                                        }
-                                    }
-                                }
-
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "mirrors" -> {
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "proxy" -> {
-                            summary = getProxyInfo(context).type.name
-
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "dark_mode" -> {
-                            onPreferenceChangeListener = this@SettingsFragment
-                        }
-                        "backup" -> {
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                        "restore" -> {
-                            onPreferenceClickListener = this@SettingsFragment
-                        }
-                    }
-
-                }
-            }
-        }
-    }
-}

app/src/main/java/xyz/quaver/pupil/ui/theme/Color.kt

@@ -1,6 +1,6 @@
 /*
  *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
+ *     Copyright (C) 2021 tom5079
  *
  *     This program is free software: you can redistribute it and/or modify
  *     it under the terms of the GNU General Public License as published by
@@ -13,20 +13,16 @@
  *     GNU General Public License for more details.
  *
  *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package xyz.quaver.pupil.types
+package xyz.quaver.pupil.ui.theme
 
-import com.arlib.floatingsearchview.suggestions.model.SearchSuggestion
-import kotlinx.android.parcel.Parcelize
-import xyz.quaver.hitomi.Suggestion
+import androidx.compose.ui.graphics.Color
 
-@Parcelize
-data class TagSuggestion(val s: String, val t: Int, val u: String, val n: String) : SearchSuggestion {
-    constructor(s: Suggestion) : this(s.s, s.t, s.u, s.n)
-
-    override fun getBody(): String {
-        return s
-    }
-}
+val LightBlue300 = Color(0xFF4FC3F7)
+val LightBlue700 = Color(0xFF0288D1)
+val Pink600 = Color(0xFFD81B60)
+val Blue700 = Color(0xFF1976D2)
+val GreenA700 = Color(0xFF00C853)
+val Orange500 = Color(0xFFFF9800)

app/src/main/java/xyz/quaver/pupil/ui/theme/Shape.kt

@@ -0,0 +1,29 @@
+/*
+ *     Pupil, Hitomi.la viewer for Android
+ *     Copyright (C) 2021 tom5079
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package xyz.quaver.pupil.ui.theme
+
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.Shapes
+import androidx.compose.ui.unit.dp
+
+val Shapes = Shapes(
+    small = RoundedCornerShape(4.dp),
+    medium = RoundedCornerShape(4.dp),
+    large = RoundedCornerShape(0.dp)
+)

app/src/main/java/xyz/quaver/pupil/ui/theme/Theme.kt

@@ -0,0 +1,57 @@
+/*
+ *     Pupil, Hitomi.la viewer for Android
+ *     Copyright (C) 2021 tom5079
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package xyz.quaver.pupil.ui.theme
+
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.contentColorFor
+import androidx.compose.material.darkColors
+import androidx.compose.material.lightColors
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+
+private val DarkColorPalette = darkColors(
+    primary = LightBlue300,
+    primaryVariant = LightBlue700,
+    secondary = Pink600,
+    onPrimary = Color.White,
+    onSecondary = Color.White
+)
+private val LightColorPalette = lightColors(
+    primary = LightBlue300,
+    primaryVariant = LightBlue700,
+    secondary = Pink600,
+    onPrimary = Color.White,
+    onSecondary = Color.White
+)
+
+@Composable
+fun PupilTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    content: @Composable () -> Unit
+) {
+    val colors = if (darkTheme) DarkColorPalette else LightColorPalette
+
+    MaterialTheme(
+        colors = colors,
+        typography = Typography,
+        shapes = Shapes,
+        content = content
+    )
+}

app/src/main/java/xyz/quaver/pupil/ui/theme/Type.kt

@@ -0,0 +1,33 @@
+/*
+ *     Pupil, Hitomi.la viewer for Android
+ *     Copyright (C) 2021 tom5079
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package xyz.quaver.pupil.ui.theme
+
+import androidx.compose.material.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+val Typography = Typography(
+    body1 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp
+    )
+)

app/src/main/java/xyz/quaver/pupil/util/ItemClickSupport.java

@@ -1,107 +0,0 @@
-package xyz.quaver.pupil.util;
-
-import android.view.View;
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-import xyz.quaver.pupil.R;
-
-/*
-  Source: http://www.littlerobots.nl/blog/Handle-Android-RecyclerView-Clicks/
-  USAGE:
-
-  ItemClickSupport.addTo(mRecyclerView).setOnItemClickListener(new ItemClickSupport.OnItemClickListener() {
-      @Override
-      public void onItemClicked(RecyclerView recyclerView, int position, View v) {
-          // do it
-      }
-  });
-
-*/
-public class ItemClickSupport {
-    private final RecyclerView mRecyclerView;
-    private OnItemClickListener mOnItemClickListener;
-    private OnItemLongClickListener mOnItemLongClickListener;
-    private View.OnClickListener mOnClickListener = new View.OnClickListener() {
-        @Override
-        public void onClick(View v) {
-            if (mOnItemClickListener != null) {
-                RecyclerView.ViewHolder holder = mRecyclerView.getChildViewHolder(v);
-                mOnItemClickListener.onItemClicked(mRecyclerView, holder.getAdapterPosition(), v);
-            }
-        }
-    };
-    private View.OnLongClickListener mOnLongClickListener = new View.OnLongClickListener() {
-        @Override
-        public boolean onLongClick(View v) {
-            if (mOnItemLongClickListener != null) {
-                RecyclerView.ViewHolder holder = mRecyclerView.getChildViewHolder(v);
-                return mOnItemLongClickListener.onItemLongClicked(mRecyclerView, holder.getAdapterPosition(), v);
-            }
-            return false;
-        }
-    };
-    private RecyclerView.OnChildAttachStateChangeListener mAttachListener
-            = new RecyclerView.OnChildAttachStateChangeListener() {
-        @Override
-        public void onChildViewAttachedToWindow(@NonNull View view) {
-            if (mOnItemClickListener != null) {
-                view.setOnClickListener(mOnClickListener);
-            }
-            if (mOnItemLongClickListener != null) {
-                view.setOnLongClickListener(mOnLongClickListener);
-            }
-        }
-
-        @Override
-        public void onChildViewDetachedFromWindow(@NonNull View view) {
-
-        }
-    };
-
-    private ItemClickSupport(RecyclerView recyclerView) {
-        mRecyclerView = recyclerView;
-        mRecyclerView.setTag(R.id.item_click_support, this);
-        mRecyclerView.addOnChildAttachStateChangeListener(mAttachListener);
-    }
-
-    public static ItemClickSupport addTo(RecyclerView view) {
-        ItemClickSupport support = (ItemClickSupport) view.getTag(R.id.item_click_support);
-        if (support == null) {
-            support = new ItemClickSupport(view);
-        }
-        return support;
-    }
-
-    public static ItemClickSupport removeFrom(RecyclerView view) {
-        ItemClickSupport support = (ItemClickSupport) view.getTag(R.id.item_click_support);
-        if (support != null) {
-            support.detach(view);
-        }
-        return support;
-    }
-
-    public ItemClickSupport setOnItemClickListener(OnItemClickListener listener) {
-        mOnItemClickListener = listener;
-        return this;
-    }
-
-    public ItemClickSupport setOnItemLongClickListener(OnItemLongClickListener listener) {
-        mOnItemLongClickListener = listener;
-        return this;
-    }
-
-    private void detach(RecyclerView view) {
-        view.removeOnChildAttachStateChangeListener(mAttachListener);
-        view.setTag(R.id.item_click_support, null);
-    }
-
-    public interface OnItemClickListener {
-
-        void onItemClicked(RecyclerView recyclerView, int position, View v);
-    }
-
-    public interface OnItemLongClickListener {
-
-        boolean onItemLongClicked(RecyclerView recyclerView, int position, View v);
-    }
-}

app/src/main/java/xyz/quaver/pupil/util/PupilHttpClient.kt

@@ -0,0 +1,156 @@
+/*
+ *     Pupil, Hitomi.la viewer for Android
+ *     Copyright (C) 2022  tom5079
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package xyz.quaver.pupil.util
+
+import androidx.compose.ui.res.stringArrayResource
+import io.ktor.client.*
+import io.ktor.client.call.*
+import io.ktor.client.engine.*
+import io.ktor.client.plugins.contentnegotiation.*
+import io.ktor.client.request.*
+import io.ktor.client.statement.*
+import io.ktor.http.*
+import io.ktor.serialization.kotlinx.json.*
+import io.ktor.utils.io.core.*
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.withContext
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.*
+import java.io.File
+import java.util.*
+
+@Serializable
+data class RemoteSourceInfo(
+    val projectName: String,
+    val name: String,
+    val version: String
+)
+
+class Release(
+    val version: String,
+    val apkUrl: String,
+    val releaseNotes: Map<Locale, String>
+)
+
+private val localeMap = mapOf(
+    "한국어" to Locale.KOREAN,
+    "日本語" to Locale.JAPANESE,
+    "English" to Locale.ENGLISH
+)
+
+class PupilHttpClient(engine: HttpClientEngine) {
+    private val httpClient = HttpClient(engine) {
+        install(ContentNegotiation) {
+            json()
+        }
+    }
+
+    /**
+     * Fetch a list of available sources from PupilSources repository.
+     * Returns empty map when exception occurs
+     */
+    suspend fun getRemoteSourceList(): Map<String, RemoteSourceInfo> = withContext(Dispatchers.IO) {
+        runCatching {
+            httpClient.get("https://tom5079.github.io/PupilSources/versions.json").body<Map<String, RemoteSourceInfo>>()
+        }.getOrDefault(emptyMap())
+    }
+
+    /**
+     * Downloads specific file from :url to :dest.
+     * Returns flow that emits progress.
+     * when value emitted by flow {
+     *   in 0f .. 1f        -> downloading
+     *   POSITIVE_INFINITY  -> download finised
+     *   NEGATIVE_INFINITY  -> exception occured
+     * }
+     */
+    fun downloadFile(url: String, dest: File) = flow {
+        runCatching {
+            httpClient.prepareGet(url).execute { response ->
+                val channel = response.bodyAsChannel()
+                val contentLength = response.contentLength() ?: -1
+                var readBytes = 0f
+
+                dest.outputStream().use { outputStream ->
+                    while (!channel.isClosedForRead) {
+                        val packet = channel.readRemaining(DEFAULT_BUFFER_SIZE.toLong())
+                        while (!packet.isEmpty) {
+                            val bytes = packet.readBytes()
+                            outputStream.write(bytes)
+
+                            readBytes += bytes.size
+                            emit(readBytes / contentLength)
+                        }
+                    }
+                }
+            }
+
+            emit(Float.POSITIVE_INFINITY)
+        }.onFailure {
+            emit(Float.NEGATIVE_INFINITY)
+        }
+    }.flowOn(Dispatchers.IO)
+
+    /**
+     * Latest application release info from Github API.
+     * Returns null when exception occurs.
+     */
+    suspend fun latestRelease(beta: Boolean = true): Release? = withContext(Dispatchers.IO) {
+        runCatching {
+            val releases = Json.parseToJsonElement(
+                httpClient.get("https://api.github.com/repos/tom5079/Pupil/releases").bodyAsText()
+            ).jsonArray
+
+            val latestRelease = releases.first { release ->
+                beta || !release.jsonObject["prerelease"]!!.jsonPrimitive.boolean
+            }.jsonObject
+
+            val version = latestRelease["tag_name"]!!.jsonPrimitive.content
+
+            val apkUrl = latestRelease["assets"]!!.jsonArray.first { asset ->
+                val name = asset.jsonObject["name"]!!.jsonPrimitive.content
+                name.startsWith("Pupil-v") && name.endsWith(".apk")
+            }.jsonObject["browser_download_url"]!!.jsonPrimitive.content
+
+            val releaseNotes: Map<Locale, String> = buildMap {
+                val body = latestRelease["body"]!!.jsonPrimitive.content
+
+                var locale: Locale? = null
+                val stringBuilder = StringBuilder()
+                body.lineSequence().forEach { line ->
+                    localeMap[line.drop(3)]?.let { newLocale ->
+                        if (locale != null) {
+                            put(locale!!, stringBuilder.deleteCharAt(stringBuilder.length-1).toString())
+                            stringBuilder.clear()
+                        }
+                        locale = newLocale
+                        return@forEach
+                    }
+
+                    if (locale != null) stringBuilder.appendLine(line)
+                }
+                put(locale!!, stringBuilder.deleteCharAt(stringBuilder.length-1).toString())
+            }
+
+            Release(version, apkUrl, releaseNotes)
+        }.getOrNull()
+    }
+}

app/src/main/java/xyz/quaver/pupil/util/SetLineOverlap.kt

@@ -1,37 +0,0 @@
-package xyz.quaver.pupil.util
-
-import android.graphics.Paint
-import android.text.style.LineHeightSpan
-
-class SetLineOverlap(private val overlap: Boolean) : LineHeightSpan {
-    companion object {
-        private var originalBottom = 15
-        private var originalDescent = 13
-        private var overlapSaved = false
-    }
-
-    override fun chooseHeight(
-        text: CharSequence?,
-        start: Int,
-        end: Int,
-        spanstartv: Int,
-        lineHeight: Int,
-        fm: Paint.FontMetricsInt?
-    ) {
-        fm ?: return
-
-        if (overlap) {
-            if (overlapSaved) {
-                originalBottom = fm.bottom
-                originalDescent = fm.descent
-                overlapSaved = true
-            }
-            fm.bottom += fm.top
-            fm.descent += fm.top
-        } else {
-            fm.bottom = originalBottom
-            fm.descent = originalDescent
-            overlapSaved = false
-        }
-    }
-}

app/src/main/java/xyz/quaver/pupil/util/download/Cache.kt

@@ -1,244 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.util.download
-
-import android.content.Context
-import android.content.ContextWrapper
-import android.util.Base64
-import androidx.preference.PreferenceManager
-import com.crashlytics.android.Crashlytics
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.async
-import kotlinx.coroutines.withContext
-import xyz.quaver.Code
-import xyz.quaver.hitomi.GalleryBlock
-import xyz.quaver.hitomi.Reader
-import xyz.quaver.pupil.util.getCachedGallery
-import xyz.quaver.pupil.util.getDownloadDirectory
-import xyz.quaver.pupil.util.json
-import java.io.File
-import java.net.URL
-
-class Cache(context: Context) : ContextWrapper(context) {
-
-    private val preference = PreferenceManager.getDefaultSharedPreferences(this)
-
-    // Search in this order
-    // Download -> Cache
-    fun getCachedGallery(galleryID: Int) = getCachedGallery(this, galleryID).also {
-        if (!it.exists())
-            it.mkdirs()
-    }
-
-    fun getCachedMetadata(galleryID: Int) : Metadata? {
-        val file = File(getCachedGallery(galleryID), ".metadata")
-
-        if (!file.exists())
-            return null
-
-        return try {
-            json.parse(Metadata.serializer(), file.readText())
-        } catch (e: Exception) {
-            //File corrupted
-            file.delete()
-            null
-        }
-    }
-
-    fun setCachedMetadata(galleryID: Int, metadata: Metadata) {
-        val file = File(getCachedGallery(galleryID), ".metadata").also {
-            if (!it.exists())
-                it.createNewFile()
-        }
-
-        file.writeText(json.stringify(Metadata.serializer(), metadata))
-    }
-
-    suspend fun getThumbnail(galleryID: Int): String? {
-        val metadata = Cache(this).getCachedMetadata(galleryID)
-
-        val thumbnail = if (metadata?.thumbnail == null)
-            withContext(Dispatchers.IO) {
-                val thumbnails = getGalleryBlock(galleryID)?.thumbnails
-                try {
-                    Base64.encodeToString(URL(thumbnails?.firstOrNull()).readBytes(), Base64.DEFAULT)
-                } catch (e: Exception) {
-                    null
-                }
-            }
-        else
-            metadata.thumbnail
-
-        setCachedMetadata(
-            galleryID,
-            Metadata(Cache(this).getCachedMetadata(galleryID), thumbnail = thumbnail)
-        )
-
-        return thumbnail
-    }
-
-    suspend fun getGalleryBlock(galleryID: Int): GalleryBlock? {
-        val metadata = Cache(this).getCachedMetadata(galleryID)
-
-        val sources = listOf(
-            { xyz.quaver.hitomi.getGalleryBlock(galleryID) },
-            { xyz.quaver.hiyobi.getGalleryBlock(galleryID) }
-        )
-
-        val galleryBlock = if (metadata?.galleryBlock == null) {
-            CoroutineScope(Dispatchers.IO).async {
-                var galleryBlock: GalleryBlock? = null
-
-                for (source in sources) {
-                    galleryBlock = try {
-                        source.invoke()
-                    } catch (e: Exception) {
-                        null
-                    }
-
-                    if (galleryBlock != null)
-                        break
-                }
-
-                galleryBlock
-            }.await() ?: return null
-        }
-        else
-            metadata.galleryBlock
-
-        setCachedMetadata(
-            galleryID,
-            Metadata(Cache(this).getCachedMetadata(galleryID), galleryBlock = galleryBlock)
-        )
-
-        return galleryBlock
-    }
-
-    fun getReaderOrNull(galleryID: Int): Reader? {
-        return getCachedMetadata(galleryID)?.reader
-    }
-
-    suspend fun getReader(galleryID: Int): Reader? {
-        val metadata = getCachedMetadata(galleryID)
-        val mirrors = preference.getString("mirrors", null)?.split('>') ?: listOf()
-
-        val sources = mapOf(
-            Code.HITOMI to { xyz.quaver.hitomi.getReader(galleryID) },
-            Code.HIYOBI to { xyz.quaver.hiyobi.getReader(galleryID) }
-        ).let {
-            if (mirrors.isNotEmpty())
-                it.toSortedMap(
-                    Comparator { o1, o2 ->
-                        mirrors.indexOf(o1.name) - mirrors.indexOf(o2.name)
-                    }
-                )
-            else
-                it
-        }
-
-        val reader = if (metadata?.reader == null) {
-            CoroutineScope(Dispatchers.IO).async {
-                var retval: Reader? = null
-
-                for (source in sources) {
-                    retval = try {
-                        source.value.invoke()
-                    } catch (e: Exception) {
-                        Crashlytics.logException(e)
-                        null
-                    }
-
-                    if (retval != null)
-                        break
-                }
-
-                retval
-            }.await() ?: return null
-        } else
-            metadata.reader
-
-        setCachedMetadata(
-            galleryID,
-            Metadata(Cache(this).getCachedMetadata(galleryID), readers = reader)
-        )
-
-        return reader
-    }
-
-    val imageNameRegex = Regex("""^\d+\..+$""")
-    fun getImages(galleryID: Int): List<File?>? {
-        val gallery = getCachedGallery(galleryID)
-
-        return gallery.list { _, name ->
-            imageNameRegex.matches(name)
-        }?.map {
-            File(gallery, it)
-        }
-    }
-
-    val imageExtensions = listOf(
-        "png",
-        "jpg",
-        "webp",
-        "gif"
-    )
-    fun getImage(galleryID: Int, index: Int): File? {
-        val gallery = getCachedGallery(galleryID)
-
-        for (ext in imageExtensions) {
-            File(gallery, "%05d.$ext".format(index)).let {
-                if (it.exists())
-                    return it
-            }
-        }
-
-        return null
-    }
-
-    fun putImage(galleryID: Int, name: String, data: ByteArray) {
-        val cache = File(getCachedGallery(galleryID), name).also {
-            if (!it.exists())
-                it.createNewFile()
-        }
-
-        if (!Regex("""^[0-9]+.+$""").matches(name))
-            throw IllegalArgumentException("File name is not a number")
-
-        cache.writeBytes(data)
-    }
-
-    fun moveToDownload(galleryID: Int) {
-        val cache = getCachedGallery(galleryID).also {
-            if (!it.exists())
-                return
-        }
-        val download = File(getDownloadDirectory(this), galleryID.toString())
-
-        cache.copyRecursively(download, true)
-        cache.deleteRecursively()
-    }
-
-    fun isDownloading(galleryID: Int) = getCachedMetadata(galleryID)?.isDownloading == true
-
-    fun setDownloading(galleryID: Int, isDownloading: Boolean) {
-        setCachedMetadata(galleryID, Metadata(getCachedMetadata(galleryID), isDownloading = isDownloading))
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt

@@ -1,387 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.util.download
-
-import android.app.PendingIntent
-import android.content.Context
-import android.content.ContextWrapper
-import android.content.Intent
-import android.content.SharedPreferences
-import android.util.SparseArray
-import androidx.core.app.NotificationCompat
-import androidx.core.app.NotificationManagerCompat
-import androidx.core.app.TaskStackBuilder
-import androidx.preference.PreferenceManager
-import com.crashlytics.android.Crashlytics
-import io.fabric.sdk.android.Fabric
-import kotlinx.coroutines.*
-import okhttp3.*
-import okio.*
-import xyz.quaver.Code
-import xyz.quaver.hitomi.Reader
-import xyz.quaver.hitomi.getReferer
-import xyz.quaver.hitomi.urlFromUrlFromHash
-import xyz.quaver.hiyobi.cookie
-import xyz.quaver.hiyobi.createImgList
-import xyz.quaver.hiyobi.user_agent
-import xyz.quaver.proxy
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.ui.ReaderActivity
-import java.io.IOException
-import java.util.concurrent.Executors
-import java.util.concurrent.LinkedBlockingQueue
-
-@UseExperimental(ExperimentalCoroutinesApi::class)
-class DownloadWorker private constructor(context: Context) : ContextWrapper(context) {
-
-    private val preferences : SharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
-
-    //region ProgressListener
-    @Suppress("UNCHECKED_CAST")
-    private val progressListener = object: ProgressListener {
-        override fun update(tag: Any?, bytesRead: Long, contentLength: Long, done: Boolean) {
-            val (galleryID, index) = (tag as? Pair<Int, Int>) ?: return
-
-            if (!done && progress[galleryID]?.get(index)?.isFinite() == true)
-                progress[galleryID]?.set(index, bytesRead * 100F / contentLength)
-        }
-    }
-
-    interface ProgressListener {
-        fun update(tag: Any?, bytesRead : Long, contentLength: Long, done: Boolean)
-    }
-
-    class ProgressResponseBody(
-        val tag: Any?,
-        val responseBody: ResponseBody,
-        val progressListener : ProgressListener
-    ) : ResponseBody() {
-        private var bufferedSource : BufferedSource? = null
-
-        override fun contentLength() = responseBody.contentLength()
-        override fun contentType() = responseBody.contentType() ?: null
-
-        override fun source(): BufferedSource {
-            if (bufferedSource == null)
-                bufferedSource = Okio.buffer(source(responseBody.source()))
-
-            return bufferedSource!!
-        }
-
-        private fun source(source: Source) = object: ForwardingSource(source) {
-
-            var totalBytesRead = 0L
-
-            override fun read(sink: Buffer, byteCount: Long): Long {
-                val bytesRead = super.read(sink, byteCount)
-
-                totalBytesRead += if (bytesRead == -1L) 0L else bytesRead
-                progressListener.update(tag, totalBytesRead, responseBody.contentLength(), bytesRead == -1L)
-
-                return bytesRead
-            }
-
-        }
-    }
-    //endregion
-
-    //region Singleton
-    companion object {
-
-        @Volatile private var instance: DownloadWorker? = null
-
-        fun getInstance(context: Context) =
-            instance ?: synchronized(this) {
-                instance ?: DownloadWorker(context).also { instance = it }
-            }
-    }
-    //endregion
-
-    val notificationManager = NotificationManagerCompat.from(context)
-
-    val queue = LinkedBlockingQueue<Int>()
-
-    /*
-    * KEY
-    *  primary galleryID
-    *  secondary index
-    * PRIMARY VALUE
-    *  MutableList -> Download in progress
-    *  null -> Loading / Gallery doesn't exist
-    * SECONDARY VALUE
-    *  0 <= value < 100 -> Download in progress
-    *  Float.POSITIVE_INFINITY -> Download completed
-    *  Float.NaN -> Exception
-    */
-    val progress = SparseArray<MutableList<Float>?>()
-    /*
-    * KEY
-    *  primary galleryID
-    *  secondary index
-    * PRIMARY VALUE
-    *  MutableList -> Download in progress / Loading
-    *  null -> Gallery doesn't exist
-    * SECONDARY VALUE
-    *  Throwable -> Exception
-    *  null -> Download in progress / Loading
-    */
-    val exception = SparseArray<MutableList<Throwable?>?>()
-    val notification = SparseArray<NotificationCompat.Builder>()
-
-    private val loop = loop()
-    private val worker = SparseArray<Job?>()
-    val clients = SparseArray<OkHttpClient>()
-
-    val interceptor = Interceptor { chain ->
-        val request = chain.request()
-        val response = chain.proceed(request)
-
-        response.newBuilder()
-        .body(ProgressResponseBody(request.tag(), response.body(), progressListener))
-        .build()
-    }
-    fun buildClient() =
-        OkHttpClient.Builder()
-            .addInterceptor(interceptor)
-            .dispatcher(Dispatcher(Executors.newFixedThreadPool(4)))
-            .proxy(proxy)
-            .build()
-
-    fun stop() {
-        queue.clear()
-
-        loop.cancel()
-        for (i in 0..worker.size()) {
-            val galleryID = worker.keyAt(i)
-
-            Cache(this@DownloadWorker).setDownloading(galleryID, false)
-            worker[galleryID]?.cancel()
-        }
-
-        for (i in 0 until clients.size()) {
-            clients.valueAt(i).dispatcher().cancelAll()
-        }
-        clients.clear()
-
-        progress.clear()
-        exception.clear()
-        notification.clear()
-        notificationManager.cancelAll()
-    }
-
-    fun cancel(galleryID: Int) {
-        queue.remove(galleryID)
-        worker[galleryID]?.cancel()
-
-        clients[galleryID]?.dispatcher()?.cancelAll()
-        clients.remove(galleryID)
-
-        progress.remove(galleryID)
-        exception.remove(galleryID)
-        notification.remove(galleryID)
-        notificationManager.cancel(galleryID)
-
-        if (progress.indexOfKey(galleryID) >= 0) {
-            Cache(this@DownloadWorker).setDownloading(galleryID, false)
-        }
-    }
-
-    fun isCompleted(galleryID: Int) = progress[galleryID]?.all { !it.isFinite() } == true
-
-    private fun queueDownload(galleryID: Int, reader: Reader, index: Int, callback: Callback) {
-        val lowQuality = preferences.getBoolean("low_quality", false)
-
-        val request = Request.Builder().apply {
-            when (reader.code) {
-                Code.HITOMI -> {
-                    url(
-                        urlFromUrlFromHash(
-                            galleryID,
-                            reader.galleryInfo.files[index],
-                            if (lowQuality) "webp" else null
-                        )
-                    )
-                    addHeader("Referer", getReferer(galleryID))
-                }
-                Code.HIYOBI -> {
-                    url(createImgList(galleryID, reader, lowQuality)[index].path)
-                    addHeader("User-Agent", user_agent)
-                    addHeader("Cookie", cookie)
-                }
-                else -> {
-                    //shouldn't be called anyway
-                }
-            }
-            tag(galleryID to index)
-        }.build()
-
-        if (clients.get(galleryID) == null)
-            clients.put(galleryID, buildClient())
-
-        clients[galleryID]?.newCall(request)?.enqueue(callback)
-    }
-
-    private fun download(galleryID: Int) = CoroutineScope(Dispatchers.IO).launch {
-        val reader = Cache(this@DownloadWorker).getReader(galleryID)
-
-        //gallery doesn't exist
-        if (reader == null) {
-            progress.put(galleryID, null)
-            exception.put(galleryID, null)
-
-            Cache(this@DownloadWorker).setDownloading(galleryID, false)
-            return@launch
-        }
-
-        val cache = Cache(this@DownloadWorker).getImages(galleryID)
-
-        progress.put(galleryID, reader.galleryInfo.files.indices.map { index ->
-            if (cache?.getOrNull(index) != null)
-                Float.POSITIVE_INFINITY
-            else
-                0F
-        }.toMutableList())
-        exception.put(galleryID, reader.galleryInfo.files.map { null }.toMutableList())
-
-        if (notification[galleryID] == null)
-            initNotification(galleryID)
-
-        notification[galleryID].setContentTitle(reader.galleryInfo.title)
-        notify(galleryID)
-
-        if (isCompleted(galleryID)) {
-            with(Cache(this@DownloadWorker)) {
-                if (isDownloading(galleryID)) {
-                    moveToDownload(galleryID)
-                    setDownloading(galleryID, false)
-                }
-            }
-
-            return@launch
-        }
-
-        for (i in reader.galleryInfo.files.indices) {
-            val callback = object : Callback {
-                override fun onFailure(call: Call, e: IOException) {
-                    if (Fabric.isInitialized() && e.message != "Canceled")
-                        Crashlytics.logException(e)
-
-                    progress[galleryID]?.set(i, Float.NaN)
-                    exception[galleryID]?.set(i, e)
-
-                    notify(galleryID)
-
-                    if (isCompleted(galleryID)) {
-                        with(Cache(this@DownloadWorker)) {
-                            if (isDownloading(galleryID)) {
-                                moveToDownload(galleryID)
-                                setDownloading(galleryID, false)
-                            }
-                        }
-                        clients.remove(galleryID)
-                    }
-                }
-
-                override fun onResponse(call: Call, response: Response) {
-                    response.body().use {
-                        val res = it.bytes()
-                        val ext =
-                            call.request().url().encodedPath().split('.').last()
-
-                        Cache(this@DownloadWorker).putImage(galleryID, "%05d.%s".format(i, ext), res)
-                        progress[galleryID]?.set(i, Float.POSITIVE_INFINITY)
-                    }
-
-                    notify(galleryID)
-
-                    if (isCompleted(galleryID)) {
-                        with(Cache(this@DownloadWorker)) {
-                            if (isDownloading(galleryID)) {
-                                moveToDownload(galleryID)
-                                setDownloading(galleryID, false)
-                            }
-                        }
-                        clients.remove(galleryID)
-                    }
-                }
-            }
-
-            if (progress[galleryID]?.get(i)?.isFinite() == true)
-                queueDownload(galleryID, reader, i, callback)
-        }
-    }
-
-    private fun notify(galleryID: Int) {
-        val max = progress[galleryID]?.size ?: 0
-        val progress = progress[galleryID]?.count { !it.isFinite() } ?: 0
-
-        if (isCompleted(galleryID))
-            notification[galleryID]
-                ?.setContentText(getString(R.string.reader_notification_complete))
-                ?.setSmallIcon(android.R.drawable.stat_sys_download_done)
-                ?.setProgress(0, 0, false)
-                ?.setOngoing(false)
-        else
-            notification[galleryID]
-                ?.setProgress(max, progress, false)
-                ?.setContentText("$progress/$max")
-
-        if (Cache(this).isDownloading(galleryID) && notification[galleryID] != null)
-            notificationManager.notify(galleryID, notification[galleryID].build())
-        else
-            notificationManager.cancel(galleryID)
-    }
-
-    private fun initNotification(galleryID: Int) {
-        val intent = Intent(this, ReaderActivity::class.java).apply {
-            putExtra("galleryID", galleryID)
-        }
-        val pendingIntent = TaskStackBuilder.create(this).run {
-            addNextIntentWithParentStack(intent)
-            getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT)
-        }
-
-        notification.put(galleryID, NotificationCompat.Builder(this, "download").apply {
-            setContentTitle(getString(R.string.reader_loading))
-            setContentText(getString(R.string.reader_notification_text))
-            setSmallIcon(android.R.drawable.stat_sys_download)                                  // had to use this because old android doesn't support VectorDrawable on Notification :P
-            setContentIntent(pendingIntent)
-            setProgress(0, 0, true)
-            setOngoing(true)
-        })
-    }
-
-    private fun loop() = CoroutineScope(Dispatchers.Default).launch {
-        while (true) {
-            if (queue.isEmpty() || clients.size() > preferences.getInt("max_download", 4))
-                continue
-
-            val galleryID = queue.poll() ?: continue
-
-            if (clients.indexOfKey(galleryID) >= 0)    // Gallery already downloading!
-                continue
-
-            initNotification(galleryID)
-            if (Cache(this@DownloadWorker).isDownloading(galleryID))
-                notificationManager.notify(galleryID, notification[galleryID].build())
-            worker.put(galleryID, download(galleryID))
-        }
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/util/download/Metadata.kt

@@ -1,44 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.util.download
-
-import kotlinx.serialization.Serializable
-import xyz.quaver.hitomi.GalleryBlock
-import xyz.quaver.hitomi.Reader
-
-@Serializable
-data class Metadata(
-    val thumbnail: String? = null,
-    val galleryBlock: GalleryBlock? = null,
-    val reader: Reader? = null,
-    val isDownloading: Boolean? = null
-) {
-    constructor(
-        metadata: Metadata?,
-        thumbnail: String? = null,
-        galleryBlock: GalleryBlock? = null,
-        readers: Reader? = null,
-        isDownloading: Boolean? = null
-    ) : this(
-        thumbnail ?: metadata?.thumbnail,
-        galleryBlock ?: metadata?.galleryBlock,
-        readers ?: metadata?.reader,
-        isDownloading ?: metadata?.isDownloading
-    )
-}

app/src/main/java/xyz/quaver/pupil/util/file.kt

@@ -1,214 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.util
-
-import android.annotation.TargetApi
-import android.content.Context
-import android.net.Uri
-import android.os.Build
-import android.os.storage.StorageManager
-import android.provider.DocumentsContract
-import androidx.core.content.ContextCompat
-import androidx.preference.PreferenceManager
-import java.io.File
-import java.io.FileOutputStream
-import java.lang.reflect.Array
-import java.net.URL
-
-
-fun getCachedGallery(context: Context, galleryID: Int) =
-    File(getDownloadDirectory(context), galleryID.toString()).let {
-        if (it.exists())
-            it
-        else
-            File(context.cacheDir, "imageCache/$galleryID")
-    }
-
-fun getDownloadDirectory(context: Context) =
-    PreferenceManager.getDefaultSharedPreferences(context).getString("dl_location", null).let {
-        if (it != null && !it.startsWith("content"))
-            File(it)
-        else
-            context.getExternalFilesDir(null)!!
-    }
-
-fun URL.download(to: File, onDownloadProgress: ((Long, Long) -> Unit)? = null) {
-
-    if (to.parentFile?.exists() == false)
-        to.parentFile!!.mkdirs()
-
-    if (!to.exists())
-        to.createNewFile()
-
-    FileOutputStream(to).use { out ->
-
-        with(openConnection()) {
-            val fileSize = contentLength.toLong()
-
-            getInputStream().use {
-
-                var bytesCopied: Long = 0
-                val buffer = ByteArray(DEFAULT_BUFFER_SIZE)
-
-                var bytes = it.read(buffer)
-                while (bytes >= 0) {
-                    out.write(buffer, 0, bytes)
-                    bytesCopied += bytes
-                    onDownloadProgress?.invoke(bytesCopied, fileSize)
-                    bytes = it.read(buffer)
-                }
-
-            }
-        }
-
-    }
-}
-
-fun getExtSdCardPaths(context: Context) =
-    ContextCompat.getExternalFilesDirs(context, null).drop(1).map {
-        it.absolutePath.substringBeforeLast("/Android/data").let {  path ->
-            runCatching {
-                File(path).canonicalPath
-            }.getOrElse {
-                path
-            }
-        }
-    }
-
-const val PRIMARY_VOLUME_NAME = "primary"
-fun getVolumePath(context: Context, volumeID: String?): String? {
-    return runCatching {
-        val storageManager = context.getSystemService(Context.STORAGE_SERVICE) as StorageManager
-        val storageVolumeClass = Class.forName("android.os.storage.StorageVolume")
-
-        val getVolumeList = storageVolumeClass.javaClass.getMethod("getVolumeList")
-        val getUUID = storageVolumeClass.getMethod("getUuid")
-        val getPath = storageVolumeClass.getMethod("getPath")
-        val isPrimary = storageVolumeClass.getMethod("isPrimary")
-
-        val result = getVolumeList.invoke(storageManager)!!
-
-        val length = Array.getLength(result)
-
-        for (i in 0 until length) {
-            val storageVolumeElement = Array.get(result, i)
-            val uuid = getUUID.invoke(storageVolumeElement) as? String
-            val primary = isPrimary.invoke(storageVolumeElement) as? Boolean
-
-            // primary volume?
-            if (primary == true && volumeID == PRIMARY_VOLUME_NAME)
-                return@runCatching getPath.invoke(storageVolumeElement) as? String
-
-            // other volumes?
-            if (volumeID == uuid) {
-                return@runCatching getPath.invoke(storageVolumeElement) as? String
-            }
-        }
-        return@runCatching null
-    }.getOrNull()
-}
-
-// Credits go to https://stackoverflow.com/questions/34927748/android-5-0-documentfile-from-tree-uri/36162691#36162691
-@TargetApi(Build.VERSION_CODES.LOLLIPOP)
-fun getVolumeIdFromTreeUri(uri: Uri) =
-    DocumentsContract.getTreeDocumentId(uri).split(':').let {
-        if (it.isNotEmpty())
-            it[0]
-        else
-            null
-    }
-
-@TargetApi(Build.VERSION_CODES.LOLLIPOP)
-fun getDocumentPathFromTreeUri(uri: Uri) =
-    DocumentsContract.getTreeDocumentId(uri).split(':').let {
-        if (it.size >= 2)
-            it[1]
-        else
-            File.separator
-    }
-
-fun getFullPathFromTreeUri(context: Context, uri: Uri) : String? {
-    val volumePath = getVolumePath(context, getVolumeIdFromTreeUri(uri) ?: return null).let {
-        it ?: return File.separator
-
-        if (it.endsWith(File.separator))
-            it.dropLast(1)
-        else
-            it
-    }
-
-    val documentPath = getDocumentPathFromTreeUri(uri).let {
-        if (it.endsWith(File.separator))
-            it.dropLast(1)
-        else
-            it
-    }
-
-    return if (documentPath.isNotEmpty()) {
-        if (documentPath.startsWith(File.separator))
-            volumePath + documentPath
-        else
-            volumePath + File.separator + documentPath
-    } else
-        volumePath
-}
-
-// Huge thanks to avluis(https://github.com/avluis)
-// This code is originated from Hentoid(https://github.com/avluis/Hentoid) under Apache-2.0 license.
-fun Uri.toFile(context: Context): File? {
-    val path = this.path ?: return null
-
-    val pathSeparator = path.indexOf(':')
-    val folderName = path.substring(pathSeparator+1)
-
-    // Determine whether the designated file is
-    // - on a removable media (e.g. SD card, OTG)
-    // or
-    // - on the internal phone memory
-    val removableMediaFolderRoots = getExtSdCardPaths(context)
-
-    /* First test is to compare root names with known roots of removable media
-     * In many cases, the SD card root name is shared between pre-SAF (File) and SAF (DocumentFile) frameworks
-     * (e.g. /storage/3437-3934 vs. /tree/3437-3934)
-     * This is what the following block is trying to do
-     */
-    for (s in removableMediaFolderRoots) {
-        val sRoot = s.substring(s.lastIndexOf(File.separatorChar))
-        val root = path.substring(0, pathSeparator).let {
-            it.substring(it.lastIndexOf(File.separatorChar))
-        }
-
-        if (sRoot.equals(root, true)) {
-            return File(s + File.separatorChar + folderName)
-        }
-    }
-    /* In some other cases, there is no common name (e.g. /storage/sdcard1 vs. /tree/3437-3934)
-     * We can use a slower method to translate the Uri obtained with SAF into a pre-SAF path
-     * and compare it to the known removable media volume names
-     */
-    val root = getFullPathFromTreeUri(context, this)
-
-    for (s in removableMediaFolderRoots) {
-        if (root?.startsWith(s) == true) {
-            return File(root)
-        }
-    }
-
-    return File(context.getExternalFilesDir(null)?.canonicalPath?.substringBeforeLast("/Android/data") ?: return null, folderName)
-}

app/src/main/java/xyz/quaver/pupil/util/history.kt

@@ -1,81 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.util
-
-import kotlinx.serialization.list
-import kotlinx.serialization.serializer
-import java.io.File
-
-class Histories(private val file: File) : ArrayList<Int>() {
-
-    val serializer = Int.serializer().list
-
-    init {
-        if (!file.exists())
-            file.parentFile?.mkdirs()
-
-        try {
-            load()
-        } catch (e: Exception) {
-            save()
-        }
-    }
-
-    fun load() : Histories {
-        return apply {
-            super.clear()
-            addAll(
-                json.parse(
-                    serializer,
-                    file.bufferedReader().use { it.readText() }
-                )
-            )
-        }
-    }
-
-    fun save() {
-        file.writeText(json.stringify(serializer, this))
-    }
-
-    override fun add(element: Int): Boolean {
-        load()
-
-        if (contains(element))
-            super.remove(element)
-
-        super.add(0, element)
-
-        save()
-
-        return true
-    }
-
-    override fun remove(element: Int): Boolean {
-        load()
-        val retval = super.remove(element)
-        save()
-
-        return retval
-    }
-
-    override fun clear() {
-        super.clear()
-        save()
-    }
-}

app/src/main/java/xyz/quaver/pupil/util/lock.kt

@@ -1,124 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.util
-
-import android.content.Context
-import android.content.ContextWrapper
-import androidx.core.content.ContextCompat
-import kotlinx.serialization.Serializable
-import kotlinx.serialization.json.Json
-import kotlinx.serialization.json.JsonConfiguration
-import kotlinx.serialization.list
-import java.io.File
-import java.security.MessageDigest
-
-fun hash(password: String): String {
-    val bytes = password.toByteArray()
-    val md = MessageDigest.getInstance("SHA-256")
-
-    return md.digest(bytes).fold("") { str, it -> str + "%02x".format(it) }
-}
-
-// Ret1: SHA-256 Hash
-// Ret2: Hash salt
-fun hashWithSalt(password: String): Pair<String, String> {
-    val salt = (0 until 12).map { source.random() }.joinToString()
-
-    return Pair(hash(password+salt), salt)
-}
-
-val source = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
-
-@Serializable
-data class Lock(val type: Type, val hash: String, val salt: String) {
-
-    enum class Type {
-        PATTERN,
-        PIN,
-        PASSWORD
-    }
-
-    companion object {
-        fun generate(type: Type, password: String): Lock {
-            val (hash, salt) = hashWithSalt(password)
-            return Lock(type, hash, salt)
-        }
-    }
-
-    fun match(password: String): Boolean {
-        return hash(password+salt) == hash
-    }
-}
-
-class LockManager(base: Context): ContextWrapper(base) {
-
-    var locks: ArrayList<Lock>? = null
-
-    init {
-        load()
-    }
-
-    private fun load() {
-        val lock = File(ContextCompat.getDataDir(this), "lock.json")
-
-        if (!lock.exists()) {
-            lock.createNewFile()
-            lock.writeText("[]")
-        }
-
-        locks = ArrayList(json.parse(Lock.serializer().list, lock.readText()))
-    }
-
-    private fun save() {
-        val lock = File(ContextCompat.getDataDir(this), "lock.json")
-
-        if (!lock.exists())
-            lock.createNewFile()
-
-        lock.writeText(json.stringify(Lock.serializer().list, locks?.toList() ?: listOf()))
-    }
-
-    fun add(lock: Lock) {
-        remove(lock.type)
-        locks?.add(lock)
-        save()
-    }
-
-    fun remove(type: Lock.Type) {
-        locks?.removeAll { it.type == type }
-        save()
-    }
-
-    fun check(password: String): Boolean? {
-        return locks?.any {
-            it.match(password)
-        }
-    }
-
-    fun isEmpty(): Boolean {
-        return locks.isNullOrEmpty()
-    }
-
-    fun isNotEmpty(): Boolean = !isEmpty()
-
-    fun contains(type: Lock.Type): Boolean {
-        return locks?.any { it.type == type } ?: false
-    }
-
-}

app/src/main/java/xyz/quaver/pupil/util/proxy.kt

@@ -1,63 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2020  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.util
-
-import android.content.Context
-import androidx.preference.PreferenceManager
-import kotlinx.serialization.Serializable
-import okhttp3.Authenticator
-import okhttp3.Credentials
-import java.net.InetSocketAddress
-import java.net.Proxy
-
-@Serializable
-data class ProxyInfo(
-    val type: Proxy.Type,
-    val host: String? = null,
-    val port: Int? = null,
-    val username: String? = null,
-    val password: String? = null
-) {
-    fun proxy() : Proxy {
-        return if (host == null || port == null)
-            return Proxy.NO_PROXY
-        else
-            Proxy(type, InetSocketAddress.createUnresolved(host, port))
-    }
-
-    fun authenticator() = Authenticator { _, response ->
-        val credential = Credentials.basic(username, password)
-
-        response.request().newBuilder()
-            .header("Proxy-Authorization", credential)
-            .build()
-    }
-
-}
-
-fun getProxy(context: Context) =
-    getProxyInfo(context).proxy()
-
-fun getProxyInfo(context: Context) =
-    PreferenceManager.getDefaultSharedPreferences(context).getString("proxy", null).let {
-        if (it == null)
-            ProxyInfo(Proxy.Type.DIRECT)
-        else
-            json.parse(ProxyInfo.serializer(), it)
-    }

app/src/main/java/xyz/quaver/pupil/util/update.kt

@@ -1,210 +0,0 @@
-/*
- *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package xyz.quaver.pupil.util
-
-import android.app.PendingIntent
-import android.content.Context
-import android.content.Intent
-import android.webkit.MimeTypeMap
-import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.app.AppCompatActivity
-import androidx.core.app.NotificationCompat
-import androidx.core.app.NotificationManagerCompat
-import androidx.core.content.FileProvider
-import androidx.lifecycle.Lifecycle
-import androidx.preference.PreferenceManager
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import kotlinx.serialization.json.JsonArray
-import kotlinx.serialization.json.JsonObject
-import kotlinx.serialization.json.boolean
-import kotlinx.serialization.json.content
-import ru.noties.markwon.Markwon
-import xyz.quaver.pupil.BuildConfig
-import xyz.quaver.pupil.R
-import java.io.File
-import java.net.URL
-import java.util.*
-
-fun getReleases(url: String) : JsonArray {
-    return try {
-        URL(url).readText().let {
-            json.parse(JsonArray.serializer(), it)
-        }
-    } catch (e: Exception) {
-        JsonArray(emptyList())
-    }
-}
-
-fun checkUpdate(context: Context, url: String) : JsonObject? {
-    val releases = getReleases(url)
-
-    if (releases.isEmpty())
-        return null
-
-    return releases.firstOrNull {
-        if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean("beta", false))
-            true
-        else
-            it.jsonObject["prerelease"]?.boolean == false
-    }?.let {
-        if (it.jsonObject["tag_name"]?.content == BuildConfig.VERSION_NAME)
-            null
-        else
-            it.jsonObject
-    }
-}
-
-fun getApkUrl(releases: JsonObject) : String? {
-    return releases["assets"]?.jsonArray?.firstOrNull {
-        Regex("Pupil-v.+\\.apk").matches(it.jsonObject["name"]?.content ?: "")
-    }.let {
-        it?.jsonObject?.get("browser_download_url")?.content
-    }
-}
-
-const val UPDATE_NOTIFICATION_ID = 384823
-fun checkUpdate(context: AppCompatActivity, force: Boolean = false) {
-
-    val preferences = PreferenceManager.getDefaultSharedPreferences(context)
-    val ignoreUpdateUntil = preferences.getLong("ignore_update_until", 0)
-
-    if (!force && ignoreUpdateUntil > System.currentTimeMillis())
-        return
-
-    fun extractReleaseNote(update: JsonObject, locale: Locale) : String {
-        val markdown = update["body"]!!.content
-
-        val target = when(locale.language) {
-            "ko" -> "한국어"
-            "ja" -> "日本語"
-            else -> "English"
-        }
-
-        val releaseNote = Regex("^# Release Note.+$")
-        val language = Regex("^## $target$")
-        val end = Regex("^#.+$")
-
-        var releaseNoteFlag = false
-        var languageFlag = false
-
-        val result = StringBuilder()
-
-        for(line in markdown.lines()) {
-            if (releaseNote.matches(line)) {
-                releaseNoteFlag = true
-                continue
-            }
-
-            if (releaseNoteFlag) {
-                if (language.matches(line)) {
-                    languageFlag = true
-                    continue
-                }
-            }
-
-            if (languageFlag) {
-                if (end.matches(line))
-                    break
-
-                result.append(line+"\n")
-            }
-        }
-
-        return context.getString(R.string.update_release_note, update["tag_name"]?.content, result.toString())
-    }
-
-    CoroutineScope(Dispatchers.Default).launch {
-        val update =
-            checkUpdate(context, context.getString(R.string.release_url)) ?: return@launch
-
-        val url = getApkUrl(update) ?: return@launch
-
-        val dialog = AlertDialog.Builder(context).apply {
-            setTitle(R.string.update_title)
-            val msg = extractReleaseNote(update, Locale.getDefault())
-            setMessage(Markwon.create(context).toMarkdown(msg))
-            setPositiveButton(android.R.string.yes) { _, _ ->
-
-                val notificationManager = NotificationManagerCompat.from(context)
-                val builder = NotificationCompat.Builder(context, "download").apply {
-                    setContentTitle(context.getString(R.string.update_notification_description))
-                    setSmallIcon(android.R.drawable.stat_sys_download)
-                    priority = NotificationCompat.PRIORITY_LOW
-                    setOngoing(true)
-                }
-
-                CoroutineScope(Dispatchers.IO).launch io@{
-                    val target = File(getDownloadDirectory(context), "Pupil.apk")
-
-                    try {
-                        URL(url).download(target) { progress, fileSize ->
-                            builder.setProgress(fileSize.toInt(), progress.toInt(), false)
-                            notificationManager.notify(UPDATE_NOTIFICATION_ID, builder.build())
-                        }
-                    } catch (e: Exception) {
-                        builder.apply {
-                            setContentText(context.getString(R.string.update_failed))
-                            setMessage(context.getString(R.string.update_failed_message))
-                            setSmallIcon(android.R.drawable.stat_sys_download_done)
-                            setOngoing(false)
-                        }
-
-                        notificationManager.cancel(UPDATE_NOTIFICATION_ID)
-                        notificationManager.notify(UPDATE_NOTIFICATION_ID, builder.build())
-
-                        return@io
-                    }
-
-                    val install = Intent(Intent.ACTION_VIEW).apply {
-                        flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_GRANT_READ_URI_PERMISSION
-                        setDataAndType(FileProvider.getUriForFile(context, context.applicationContext.packageName + ".provider", target), MimeTypeMap.getSingleton().getMimeTypeFromExtension("apk"))
-                    }
-
-                    builder.apply {
-                        setContentIntent(PendingIntent.getActivity(context, 0, install, 0))
-                        setProgress(0, 0, false)
-                        setSmallIcon(android.R.drawable.stat_sys_download_done)
-                        setContentTitle(context.getString(R.string.update_download_completed))
-                        setContentText(context.getString(R.string.update_download_completed_description))
-                        setOngoing(false)
-                    }
-
-                    notificationManager.cancel(UPDATE_NOTIFICATION_ID)
-
-                    if (context.lifecycle.currentState.isAtLeast(Lifecycle.State.RESUMED))
-                        context.startActivity(install)
-                    else
-                        notificationManager.notify(UPDATE_NOTIFICATION_ID, builder.build())
-                }
-            }
-            setNegativeButton(if (force) android.R.string.no else R.string.ignore_update) { _, _ ->
-                if (!force)
-                    preferences.edit()
-                        .putLong("ignore_update_until", System.currentTimeMillis() + 604800000)
-                        .apply()
-            }
-        }
-
-        launch(Dispatchers.Main) {
-            dialog.show()
-        }
-    }
-}

app/src/main/java/xyz/quaver/pupil/util/util.kt

@@ -1,6 +1,6 @@
 /*
  *     Pupil, Hitomi.la viewer for Android
- *     Copyright (C) 2019  tom5079
+ *     Copyright (C) 2022  tom5079
  *
  *     This program is free software: you can redistribute it and/or modify
  *     it under the terms of the GNU General Public License as published by
@@ -18,37 +18,21 @@
 
 package xyz.quaver.pupil.util
 
-import android.annotation.SuppressLint
-import java.util.*
-import kotlin.collections.ArrayList
+import android.content.Context
+import android.content.Intent
+import android.webkit.MimeTypeMap
+import androidx.core.content.FileProvider
+import java.io.File
 
-@UseExperimental(ExperimentalStdlibApi::class)
-fun String.wordCapitalize() : String {
-    val result = ArrayList<String>()
+fun Context.launchApkInstaller(file: File) {
+    val uri = FileProvider.getUriForFile(this, "$packageName.fileprovider", file)
 
-    @SuppressLint("DefaultLocale")
-    for (word in this.split(" "))
-        result.add(word.capitalize(Locale.US))
-
-    return result.joinToString(" ")
-}
-
-fun byteToString(byte: Long, precision : Int = 1) : String {
-
-    val suffix = listOf(
-        "B",
-        "kB",
-        "MB",
-        "GB",
-        "TB" //really?
-    )
-    var size = byte.toDouble(); var suffixIndex = 0
-
-    while (size >= 1024) {
-        size /= 1024
-        suffixIndex++
+    val intent = Intent(Intent.ACTION_VIEW).apply {
+        flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or
+                Intent.FLAG_GRANT_READ_URI_PERMISSION or
+                Intent.FLAG_ACTIVITY_NEW_TASK
+        setDataAndType(uri, MimeTypeMap.getSingleton().getMimeTypeFromExtension("apk"))
     }
 
-    return "%.${precision}f ${suffix[suffixIndex]}".format(size)
-
+    startActivity(intent)
 }