Fix README logo path to use .webp extension

README.md

@@ -0,0 +1,168 @@
+# Yumemi
+
+<p align="center">
+  <img src="app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp" width="120" alt="Yumemi Logo"/>
+</p>
+
+<p align="center">
+  <b>A feature-rich manga reader for Android</b>
+</p>
+
+<p align="center">
+  <a href="https://github.com/AgentKush/Yumemi/releases"><img src="https://img.shields.io/github/v/release/AgentKush/Yumemi?style=flat-square" alt="Release"/></a>
+  <a href="https://github.com/AgentKush/Yumemi/blob/devel/LICENSE"><img src="https://img.shields.io/github/license/AgentKush/Yumemi?style=flat-square" alt="License: GPL-3.0"/></a>
+  <img src="https://img.shields.io/badge/Android-7.0%2B-brightgreen?style=flat-square" alt="Android 7.0+"/>
+  <img src="https://img.shields.io/badge/Kotlin-2.2-blue?style=flat-square" alt="Kotlin"/>
+</p>
+
+---
+
+Yumemi is a free and open-source manga reader for Android based on [Kotatsu](https://github.com/KotatsuApp/Kotatsu). It provides a clean, modern interface for reading manga from various online sources with powerful features for organizing and tracking your reading progress.
+
+## Features
+
+- **Multiple Sources** — Access manga from 1000+ sources via [kotatsu-parsers](https://github.com/YakaTeam/kotatsu-parsers)
+- **Offline Reading** — Download chapters for reading without internet
+- **Reading Progress Tracking** — Automatic history and bookmarks
+- **Scrobbling** — Sync progress with MyAnimeList, AniList, Shikimori, and Kitsu
+- **Local Manga** — Read downloaded CBZ/CBR/ZIP archives
+- **Customizable Reader** — Multiple reading modes, color filters, and gestures
+- **Material Design** — Modern UI following Material Design 3 guidelines
+- **App Lock** — Protect the app with biometric or PIN authentication
+- **Discord Rich Presence** — Share what you're reading on Discord
+- **Tracker** — Get notified when new chapters are available
+- **Categories & Favorites** — Organize your library your way
+- **Search** — Find manga across all sources simultaneously
+
+## Screenshots
+
+<!-- Add screenshots here -->
+
+## Download
+
+Download the latest APK from the [Releases](https://github.com/AgentKush/Yumemi/releases) page.
+
+### Build Variants
+
+| Variant | Description |
+|---------|-------------|
+| **Release** | Optimized build with ProGuard minification |
+| **Debug** | Development build with debugging enabled |
+| **Nightly** | Daily builds with latest changes |
+
+## Building from Source
+
+### Prerequisites
+
+- Android Studio Ladybug or later
+- JDK 17 or later
+- Android SDK 36
+
+### Build Commands
+
+```bash
+# Clone the repository
+git clone https://github.com/AgentKush/Yumemi.git
+cd Yumemi
+
+# Build debug APK
+./gradlew assembleDebug
+
+# Build release APK
+./gradlew assembleRelease
+
+# Build nightly APK
+./gradlew assembleNightly
+
+# Run tests
+./gradlew test
+```
+
+### Output Locations
+
+- Debug: `app/build/outputs/apk/debug/app-debug.apk`
+- Release: `app/build/outputs/apk/release/app-release.apk`
+- Nightly: `app/build/outputs/apk/nightly/app-nightly.apk`
+
+## Tech Stack
+
+- **Language:** Kotlin
+- **Architecture:** MVVM with Clean Architecture
+- **Dependency Injection:** Hilt
+- **Database:** Room
+- **Networking:** OkHttp + Coroutines
+- **Image Loading:** Coil 3
+- **Background Work:** WorkManager
+- **UI:** Material Design 3, ViewBinding
+
+## Project Structure
+
+```
+app/
+├── src/main/kotlin/org/koitharu/kotatsu/
+│   ├── bookmarks/       # Bookmark management
+│   ├── browser/         # WebView browser for sources
+│   ├── core/            # Core utilities, database, network
+│   ├── details/         # Manga details screen
+│   ├── download/        # Download management
+│   ├── explore/         # Source exploration
+│   ├── favourites/      # Favorites management
+│   ├── filter/          # Search filters
+│   ├── history/         # Reading history
+│   ├── list/            # Manga list components
+│   ├── local/           # Local manga handling
+│   ├── main/            # Main activity and navigation
+│   ├── reader/          # Manga reader
+│   ├── scrobbling/      # External tracker integration
+│   ├── search/          # Search functionality
+│   ├── settings/        # App settings
+│   ├── sync/            # Cloud sync
+│   ├── tracker/         # Update tracker
+│   └── widget/          # Home screen widgets
+```
+
+## Contributing
+
+Contributions are welcome! Please feel free to submit a Pull Request.
+
+1. Fork the repository
+2. Create your feature branch (`git checkout -b feature/amazing-feature`)
+3. Commit your changes (`git commit -m 'Add some amazing feature'`)
+4. Push to the branch (`git push origin feature/amazing-feature`)
+5. Open a Pull Request
+
+### Reporting Issues
+
+- Check existing issues before creating a new one
+- Include device info, Android version, and app version
+- Provide steps to reproduce the issue
+- Include screenshots or logs if applicable
+
+## Acknowledgements
+
+- [Kotatsu](https://github.com/KotatsuApp/Kotatsu) — Original project
+- [YakaTeam/kotatsu-parsers](https://github.com/YakaTeam/kotatsu-parsers) — Manga source parsers
+- All the contributors who help improve this project
+
+## License
+
+```
+Copyright (C) 2020-2026 Yumemi Contributors
+
+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/>.
+```
+
+---
+
+<p align="center">Made with ❤️ for manga readers everywhere</p>

app/build.gradle

@@ -56,12 +56,13 @@ android {
 			minifyEnabled true
 			shrinkResources true
 			proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-//			signingConfig signingConfigs.Yukimi
+			// Use debug signing for testing - replace with proper keystore for production
+			signingConfig signingConfigs.debug
 		}
 		nightly {
 			initWith release
 			applicationIdSuffix = '.nightly'
-//			signingConfig signingConfigs.Yukimi
+			signingConfig signingConfigs.debug
 		}
 	}
 	buildFeatures {
@@ -82,11 +83,11 @@ android {
 	}
 	compileOptions {
 		coreLibraryDesugaringEnabled true
-		sourceCompatibility JavaVersion.VERSION_11
-		targetCompatibility JavaVersion.VERSION_11
+		sourceCompatibility JavaVersion.VERSION_17
+		targetCompatibility JavaVersion.VERSION_17
 	}
 	kotlinOptions {
-		jvmTarget = JavaVersion.VERSION_11.toString()
+		jvmTarget = JavaVersion.VERSION_17.toString()
 		freeCompilerArgs += [
 			'-opt-in=kotlin.ExperimentalStdlibApi',
 			'-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',

app/src/main/AndroidManifest.xml

@@ -445,6 +445,9 @@
 				<action android:name="${applicationId}.action.REPORT_ERROR" />
 			</intent-filter>
 		</receiver>
+		<receiver
+			android:name="org.koitharu.kotatsu.core.github.AppUpdateDismissReceiver"
+			android:exported="false" />
 
 		<meta-data
 			android:name="android.webkit.WebView.EnableSafeBrowsing"

app/src/main/kotlin/org/koitharu/kotatsu/core/BaseApp.kt

@@ -12,7 +12,7 @@ import dagger.hilt.android.HiltAndroidApp
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.launch
-import okhttp3.internal.platform.PlatformRegistry
+import okhttp3.OkHttp
 import org.acra.ACRA
 import org.acra.ReportField
 import org.acra.config.dialog
@@ -26,6 +26,7 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.os.AppValidator
 import org.koitharu.kotatsu.core.os.RomCompat
+import org.koitharu.kotatsu.core.network.DnsPrefetchManager
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.local.data.LocalStorageChanges
@@ -61,6 +62,9 @@ open class BaseApp : Application(), Configuration.Provider {
 	@Inject
 	lateinit var workScheduleManager: WorkScheduleManager
 
+	@Inject
+	lateinit var dnsPrefetchManager: DnsPrefetchManager
+
 	@Inject
 	lateinit var localMangaIndexProvider: Provider<LocalMangaIndex>
 
@@ -75,7 +79,7 @@ open class BaseApp : Application(), Configuration.Provider {
 
 	override fun onCreate() {
 		super.onCreate()
-		PlatformRegistry.applicationContext = this // TODO replace with OkHttp.initialize
+		OkHttp.initialize(this)
 		if (ACRA.isACRASenderServiceProcess()) {
 			return
 		}
@@ -94,6 +98,7 @@ open class BaseApp : Application(), Configuration.Provider {
 			localStorageChanges.collect(localMangaIndexProvider.get())
 		}
 		workScheduleManager.init()
+		dnsPrefetchManager.initialize()
 	}
 
 	override fun attachBaseContext(base: Context) {

app/src/main/kotlin/org/koitharu/kotatsu/core/cache/MemoryContentCache.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.core.cache
 import android.app.Application
 import android.content.ComponentCallbacks2
 import android.content.res.Configuration
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.ext.isLowRamDevice
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaPage
@@ -11,16 +12,41 @@ import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 import javax.inject.Singleton
 
+/**
+ * In-memory cache for manga content with configurable TTL.
+ *
+ * Cache TTL settings can be configured in AppSettings:
+ * - Details cache: default 5 minutes (configurable 1-60 min)
+ * - Pages cache: default 10 minutes (configurable 1-120 min)
+ * - Related manga cache: default 10 minutes (configurable 1-120 min)
+ *
+ * Note: Changes to TTL settings require app restart to take effect.
+ */
 @Singleton
-class MemoryContentCache @Inject constructor(application: Application) : ComponentCallbacks2 {
+class MemoryContentCache @Inject constructor(
+	application: Application,
+	settings: AppSettings,
+) : ComponentCallbacks2 {
 
 	private val isLowRam = application.isLowRamDevice()
 
-	private val detailsCache = ExpiringLruCache<SafeDeferred<Manga>>(if (isLowRam) 1 else 4, 5, TimeUnit.MINUTES)
-	private val pagesCache =
-		ExpiringLruCache<SafeDeferred<List<MangaPage>>>(if (isLowRam) 1 else 4, 10, TimeUnit.MINUTES)
-	private val relatedMangaCache =
-		ExpiringLruCache<SafeDeferred<List<Manga>>>(if (isLowRam) 1 else 3, 10, TimeUnit.MINUTES)
+	private val detailsCache = ExpiringLruCache<SafeDeferred<Manga>>(
+		maxSize = if (isLowRam) 1 else 4,
+		lifetime = settings.cacheDetailsTtlMinutes.toLong(),
+		timeUnit = TimeUnit.MINUTES,
+	)
+
+	private val pagesCache = ExpiringLruCache<SafeDeferred<List<MangaPage>>>(
+		maxSize = if (isLowRam) 1 else 4,
+		lifetime = settings.cachePagesTtlMinutes.toLong(),
+		timeUnit = TimeUnit.MINUTES,
+	)
+
+	private val relatedMangaCache = ExpiringLruCache<SafeDeferred<List<Manga>>>(
+		maxSize = if (isLowRam) 1 else 3,
+		lifetime = settings.cacheRelatedTtlMinutes.toLong(),
+		timeUnit = TimeUnit.MINUTES,
+	)
 
 	init {
 		application.registerComponentCallbacks(this)