pauldemarco/flutter_blue
This system is a cross-platform Flutter plugin for Bluetooth Low Energy (BLE) communication, supporting Android, iOS, and macOS. It provides a structured, object-oriented API for scanning for devices, connecting to peripherals, and reading or writing to Bluetooth services and characteristics. The codebase has been modernized to support null safety, utilize protobuf for cross-platform data structures, and leverage modern platform embedding standards.
49.5
Weak · 1 August 2026
2.6k
lines of production code
Dart
with Java
1
bus factor · 26 authors in all
3
measurements over time
How it got here
2017 · Flutter v2 embedding and protobuf schema migration
This period focused on modernizing the project's architecture by migrating to the Flutter v2 embedding and adopting a protobuf-based schema for cross-platform data structures. The team refactored the internal library to use strongly-typed classes for Bluetooth entities, removed obsolete abstractions, and updated the example app and configuration files to align with current Flutter and Dart 2.12 standards.
18 changes
2018–2020 · platform expansion and modernization
This period focused on modernizing the Android plugin for Flutter v2 compatibility and introducing native macOS support. The team also updated build dependencies and established initial test coverage for the example application.
5 changes
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About this page
- The description of this project is derived from its own commit history, not from its README.
- The score is its highest published measurement, taken on 1 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
- Measured at commit 7c7a86c95a — the exact code this score is about.
- Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.