APPDEX

Your Android, Understood.

English | 中文

APPDEX is a 100% open-source, ad-free Android toolkit for power users.
No telemetry, no VIP gates, no dynamic DEX loading — just clean, original code.

Features

📁 File Manager

Browse, copy, move, delete, compress (ZIP/7Z/TAR), and extract files with bookmarks and history.

💻 Code Editor

Syntax-highlighted editor supporting 20+ languages with search/replace, line numbers, and customizable font/tab width.

📦 APK Analyzer

Inspect APK contents, binary AndroidManifest.xml decoding, V2/V3 signature verification with X.509 certificate extraction.

🖥️ Terminal

Built-in terminal emulator with ANSI 256-color parsing, command history, and quick keys (Ctrl+C, Tab, arrows).

🔧 Tools

• Hash Calculator — MD5 / SHA-1 / SHA-256 for text or files
• Device Info — Hardware, OS, CPU, memory, storage details
• Encoding Converter — Base64 / URL / Hex / Binary encode & decode

🌐 Remote Management

• Web Server — Embedded HTTP server with QR code pairing, file browse/download/upload from any browser
• FTP Client — Connect to remote FTP servers, browse and download files

🔌 Plugin System

Compile-time plugin framework with built-in plugins:

• JSON Formatter — Validate and pretty-print JSON
• Text Statistics — Word/character/line/sentence count with reading time
• Timestamp Converter — Unix timestamp ↔ human-readable date

🎵 Media Player

• Image Viewer — Zoom, pan, rotate, multi-page navigation
• Video Player — ExoPlayer-based with gesture controls
• Audio Player — Playlist support with background playback

⚙️ Settings

Theme (System/Light/Dark), language (English/Chinese), info density, editor & terminal customization, cache management.

Download

Pre-built APKs are available on the Releases page.

Tech Stack

Component	Technology
Language	Kotlin 2.0
UI	Jetpack Compose + Material 3
Architecture	MVI (Model-View-Intent)
DI	Hilt
Persistence	DataStore + Room
Navigation	Compose Navigation (Type-safe)
Media	Media3 (ExoPlayer)
Images	Coil
FTP	Apache Commons Net
QR Code	ZXing
APK Parsing	Pure Kotlin (no third-party)

Design

• Design Language: "Spectrum Design"
• Color Palette: "Deep Space" — inspired by astrophotography
  • Primary: Amber Gold #E8B547
  • Background: Deep Space Blue #0B1426
  • Secondary: Nebula Blue #5B9BD5
  • Tertiary: Aurora Green #7DD3C0

Project Structure

appdex/
├── app/                        # Shell application
├── core/
│   ├── core-arch/              # MVI architecture base
│   ├── core-ui/                # Theme, components, icons
│   ├── core-data/              # Data layer (DataStore)
│   ├── core-database/          # Room database
│   ├── core-model/             # Domain models
│   ├── core-common/            # Shared utilities
│   └── core-plugin/            # Plugin system framework
├── feature/
│   ├── feature-files/          # File manager
│   ├── feature-editor/         # Code editor
│   ├── feature-analyzer/       # APK analyzer
│   ├── feature-player/         # Media player (image/video/audio)
│   ├── feature-terminal/       # Terminal emulator
│   ├── feature-tools/          # Utility tools + plugins
│   ├── feature-remote/         # Web server + FTP client
│   └── feature-settings/       # Settings
└── library/
    ├── lib-syntax/             # Syntax highlighting engine
    ├── lib-archive/            # Compression/decompression
    └── lib-apk/                # APK parsing (pure Kotlin)

Building

Requirements:

• JDK 17
• Android SDK (API 35)
• Gradle 8.x (wrapper included)

git clone https://github.com/niceyayale/appdex.git
cd appdex
./gradlew assembleDebug

For release build:

./gradlew assembleRelease

Privacy

APPDEX contains no analytics, no trackers, no ads. All file operations happen locally on your device. The web server only listens on your local network and can be stopped at any time.

Contributing

See CONTRIBUTING.md for guidelines.

Changelog

See CHANGELOG.md for version history.

License

Apache 2.0 — See LICENSE