Release v1.0.0

Light Reader

Light Reader is a modern mobile e-book reader for the Android platform, built on the Readium Kotlin Toolkit. The project combines core reading functionality for various book formats, a built-in library, and advanced artificial intelligence (AI) features.

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Key Features and Functionality

1. Reading and Supported Formats

• Supported Formats: EPUB, PDF, FB2, TXT, DOCX.
• Selectable Text in PDF
• Built-in Converters: Automatic conversion of FB2, TXT, and DOCX files into EPUB format for a comfortable reading experience.
• Display Customization: Adjustment of fonts, text size, and themes (light/dark); includes a quick settings menu and adaptation to user visual preferences.
• Navigation and Bookmarks: Saving reading progress, creating bookmarks, text highlighting, and table of contents (outline) navigation.
• Text-to-Speech (TTS): Text-to-speech narration with playback controls and voice customization options.
• Search: In-book text search functionality.

2. Bookshelf and Library Management

• Interface: Modern book list display powered by Jetpack Compose.
• Filtering and Tags: Categorizing books with statuses such as "Favorites," "Want to Read," and "Read."
• Sorting and Metadata: Displaying file size, date added, format type, and reading progress percentage.
• Cover Generation: Automatic generation of text-based and graphical covers when original artwork is missing.

3. AI Assistant Integration

The application features an AI assistant capable of analyzing book texts, answering questions, and conducting context-aware conversations based on the loaded content.

• Supported AI Providers:
  • Google Gemini (direct integration with full-text analysis).
  • OpenAI (models).
  • DeepSeek (deepseek-chat models and local/cloud variants).
  • OpenRouter (access to a wide range of third-party models).
• RAG (Retrieval-Augmented Generation):
  • Chunking of book text with overlap preservation.
  • Generation and caching of text vector embeddings.
  • Retrieval of the most relevant book excerpts via cosine similarity to provide accurate AI answers regarding the content.
• Chat Management:
  • Saving conversation history in JSON format.
  • Creating new sessions, renaming, and deleting chats.
  • Exporting dialogs to .txt format and sharing capabilities.
  • Attaching specific books from the library to the current chat session.

Libraries

https://github.com/readium/kotlin-toolkit

https://github.com/tomroush/pdfbox-android

READMERU.md