pauldemarco/flutter_blue
This system is a cross-platform Flutter plugin for Bluetooth Low Energy (BLE) communication, providing a unified API to scan for, connect to, and interact with BLE devices. It exposes structured models for devices, services, and characteristics, enabling read/write operations and notification subscriptions across Android, iOS, and macOS. The codebase has been modernized to support null safety and leverages Protocol Buffers for cross-platform data structures.
49.5
Weak · 5 August 2026
2.6k
lines of production code
Dart
with Java
1
bus factor · 26 authors in all
4
measurements over time
How it got here
2017 · null safety and protobuf migration
The project underwent a major architectural overhaul to support Dart null safety and modernize its internal structure. This involved migrating to a protobuf-based data model, removing obsolete abstraction layers, and updating platform-specific implementations for Android and iOS.
18 changes
2018–2020 · macOS support and Android v2 embedding
This period focused on expanding platform support by adding a complete macOS implementation for the Flutter Blue plugin. Concurrently, the Android build system was upgraded to Gradle 6.7, and the Android implementation was refactored to support the v2 embedding, improving compatibility with newer Android and Flutter versions.
4 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 5 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-2026.08.19. Score the same commit under that rubric and you get the same number.