About acc_ide

ACC IDE is a native Android integrated development environment designed specifically for competitive programming. It enables programmers to write, test, and debug algorithmic solutions directly on mobile devices, supporting C++, Java, and Python. The app features syntax highlighting powered by TextMate, intelligent code completion based on tree-sitter CST, and both dark and light themes. Users can manage files through a built-in browser with automatic saving, adjust editor preferences including font size and cursor width, and execute code through multiple backends: a GitHub Actions-based remote runtime for reliable execution with time and memory limits, or a local WebAssembly environment. The execution system displays detailed status results including AC, WA, TLE, MLE, RE, and CE. The project is built with native Android and Kotlin, incorporating JNI bindings for tree-sitter parsing and a dedicated executor library with WASM resources. Planned enhancements include Android Error Lens for inline compilation err

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ACC IDE

If you're tired of OJ platforms with their mobile-unfriendly IDEs, or if you've ever wanted to jot down a brilliant algorithm idea on your phone, then ACC IDE is just what you need 🤗.

ACC IDE is a native Android integrated development environment designed specifically for algorithm competitions. It aims to enhance the competitive programming experience on mobile devices by providing a feature-rich environment for writing, testing, and submitting algorithmic solutions 😋.

Project Structure

The project is built with native Android and includes the following main components:

Core Structure

acc_ide/
├── app/                          # Main application module
│   ├── src/main/
│   │   ├── java/com/acc_ide/    # Kotlin source code
│   │   │   ├── completion/      # Code completion system
│   │   │   ├── ui/              # UI components
│   │   │   ├── util/            # Utility classes
│   │   │   └── view/            # Custom views
│   │   ├── cpp/                 # Tree-sitter JNI
│   │   ├── res/                 # Resources
│   │   └── assets/              # Static assets
│   └── build.gradle
├── executor-library/             # Code executor library
│   ├── src/main/
│   │   ├── java/                # Executor implementation
│   │   └── assets/wasm/         # WASM resources
│   └── build.gradle
├── treesitter-build/             # Tree-sitter build scripts
├── wasmClang-build/              # WASM Clang build scripts
└── gradle/                       # Gradle configuration

Implemented Features

Editor Capabilities

Syntax highlighting: Use textmate for syntax highlighting
Code completion: Code completion based on CST (tree-siiter)
Theme Support: Dark and light modes with appropriate syntax coloring
Gesture Controls: Adjust font size through zoom gestures
Line Numbers and Block Indentation: Visual aids for code structure

File Management

File Browser: Side drawer with a list of available files
Rename and Delete: File management tools with confirmation dialogs
Automatic Saving: Changes are automatically saved to prevent data loss, with temporary files stored at /storage/emulated/0/Android/data/com.acc_ide/files and templates at /template

Customization

Language Selection: Interface language can be changed in settings
Theme Selection: Toggle between dark and light themes
Font Size Control: Adjust editor font size from settings or with gestures
Editor Preferences: Customize editor behavior through settings, such as cursor width and symbol panel display

Input/Output Panel

Input/Output Panel: Manual input and output viewing
GitHub Action Backend: Free runtime via GitHub Actions repository, supports C/C++, Java, and Python
WASM-based Local Environment: WebAssembly-based compilation environment, though C++ may have some issues as there's no pre-compiled WASM
Memory and Time Limits: Execution time (2s) and memory (512MB) restrictions via backend
Execution Status Display: Shows code execution status and runtime (AC, WA, TLE, MLE, RE, CE, RS - Run Successful when no expected output provided), with highlighted compilation errors

Planned Features

Feature Improvements

Android Error Lens: Highlight compilation errors in the editor
LSP: Plan to adopt tree-sitter+LSP for precise syntax highlighting and semantic-level code completion
Maintain/Optimize wasm-clang

competitive-companion Integration

Android version of competitive-companion
Import test cases directly from problem statements
Support for major competitive programming platforms:
- Codeforces
- AtCoder
- Luogu
- Niuke

Installation

Download the latest version from releases
Or clone the repository locally, open it with Android Studio, and run the project

Contributing

If you find any problems or feature requests during use, you are welcome to submit an issue or a pull request.

Acknowledgements

Sora Editor for code editing capabilities
VSCode TextMate for syntax highlighting support
Tree-sitter for CST build support
wasm-clang for wasm-clang demo
pyodide for out-of-the-box wasm-python

acc_ide