CodeViewer

[!WARNING] NOT STABLE FOR USE.

CodeViewer is a high-performance code view component for Android. It can handle files with over 1 million lines while maintaining smooth, responsive performance.

Features

• [x] Syntax highlighting
• [x] Font and theme customization
• [x] Soft wrap support

Screenshots

Installation

Include the following line in your module-level build.gradle.kts (for Kotlin DSL) or build.gradle (for Groovy DSL) file, typically within the dependencies block:

Kotlin DSL (build.gradle.kts):

// build.gradle.kts (Module: app)
dependencies {
    implementation("io.github.itsvks19:codeeditor:1.2.0")
}

Groovy DSL (build.gradle):

// build.gradle (Module: app)
dependencies {
    implementation 'io.github.itsvks19:codeeditor:1.2.0'
}

Usage

val editorState = rememberCodeEditorState(
    File(filePath),
    language = PlainTextLanguage,
    theme = AtomOneDarkTheme
)

CodeEditor(
    state = editorState,
    initialFontSize = 14.sp,
    softWrap = true,
    modifier = Modifier.fillMaxSize()
)

Performance

• Load and display 1 million+ lines
• Scroll and render with minimal memory overhead
• Maintain snappy performance even under heavy editing

Roadmap

Planned features:

• [X] Multi-language syntax highlighting
• [ ] Cursor and selection support
• [ ] Keyboard navigation
• [ ] Code intelligence (autocomplete, linting)
• [ ] Undo/redo support
• [ ] Plugin architecture

Built With

• Kotlin
• Jetpack Compose for UI

Contributing

Contributions are welcome. If you have suggestions, bug reports, or want to get involved, feel free to open an issue or submit a pull request.

License

MIT License. See LICENSE for details.

Acknowledgments

Inspired by editor designs and architectures from:

• JetBrains IDEs
• Monaco Editor
• Zed Editor