vm_service_interface

Package Overview

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The vm_service_interface package provides a Dart library that defines the contract for implementing the Dart VM service protocol. It enables communication with the Dart VM for debugging, profiling, and monitoring purposes. This interface is essential for tools that need to interact with running Dart applications, such as debuggers, performance analyzers, and development environments. The package supports all major platforms, including mobile, web, and desktop, ensuring consistent access to VM-level insights across environments.

Use cases

Debugging Dart applications
Performance profiling
Real-time monitoring of app state
Integration with IDEs and dev tools
Hot reload and hot restart coordination
Remote debugging of Flutter apps

Key features

Standardized VM service protocol interface
Cross-platform compatibility
Support for WebSocket-based communication
Type-safe API definitions
Extensible design for custom extensions
Built-in support for serialization/deserialization

Suitable for

Dart/Flutter tooling developers
IDE and editor plugin creators
Debugging and profiling tool builders
CI/CD pipeline integrators
Advanced Flutter application monitors

Considerations

Requires understanding of the Dart VM service protocol
Not intended for direct use in end-user apps
May require additional dependencies for full functionality
Limited documentation outside of SDK sources
Best used in conjunction with vm_service package
Platform-specific behaviors may vary during remote connections

Original README

Original README snapshot from the linked source repository. Visit the repository for the latest content.

Dart

An approachable, portable, and productive language for high-quality apps on any platform

Dart is:

Approachable: Develop with a strongly typed programming language that is consistent, concise, and offers modern language features like null safety and patterns.
Portable: Compile to ARM, x64, or RISC-V machine code for mobile, desktop, and backend. Compile to JavaScript or WebAssembly for the web.
Productive: Make changes iteratively: use hot reload to see the result instantly in your running app. Diagnose app issues using DevTools.

Dart's flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:

Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.
Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).

License & patents

Dart is free and open source.

See LICENSE and PATENT_GRANT.

Using Dart

Visit dart.dev to learn more about the language, tools, and to find codelabs.

Browse pub.dev for more packages and libraries contributed by the community and the Dart team.

Our API reference documentation is published at api.dart.dev, based on the stable release. (We also publish docs from our beta and dev channels, as well as from the primary development branch).

Building Dart

If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.

There are more documents in our repo at docs.

Contributing to Dart

The easiest way to contribute to Dart is to file issues.

You can also contribute patches, as described in Contributing.

Roadmap

Future plans for Dart are included in the combined Dart and Flutter roadmap on the Flutter wiki.

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