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CACHET Flutter plugins

This repo contains the source code for Flutter first-party plugins developed by developers at the Copenhagen Center for Health Technology (CACHET) at The Technical University of Denmark. Check the packages directory for all plugins.

Flutter plugins enable access to platform-specific APIs using a platform channel. For more information about plugins, and how to use them, see


These are the available plugins in this repository.

Plugin Description Android iOS
screen_state Track screen state changes ✔️ pub package
light Track light sensor readings ✔️ pub package
pedometer Track step count ✔️ ✔️ pub package
noise_meter Read noise level in Decibel ✔️ ✔️ pub package
app_usage Track usage of all applications on phone. ✔️ pub package
weather Get current weather, as well as forecasting using the OpenWeatherMap API. ✔️ ✔️ pub package
air_quality Get the air quality index using the WAQI API. ✔️ ✔️ pub package
notifications Track device notifications. ✔️ pub package
movisens_flutter Movisens sensor communication. ✔️ pub package
esense_flutter eSense ear sensor plugin. ✔️ ✔️ pub package
health Apple HealthKit and Google Fit interface plugin. ✔️ ✔️ pub package
activity_recognition Activity Recognition ✔️ ✔️ pub package
audio_streamer Stream audio as PCM from mic ✔️ ✔️ pub package
mobility_features Compute daily mobility features from location data ✔️ ✔️ pub package
carp_background_location Track location, even when app is in the background ✔️ ✔️ pub package
flutter_foreground_service Foreground service for Android ✔️ ✔️ pub package


Please check existing issues and file any new issues, bugs, or feature requests in the flutter-plugin issue list.


As part of the open-source Flutter ecosystem, we would welcome any help in maintaining and enhancing these plugins. We (i.e., CACHET) have limited resources for maintaining these plugins and we rely on your help in this. We welcome any contribution -- from small error corrections in the documentation, to bug fixes, to large features enhacements, or even new features in a plugin. If you wish to contribute to any of the plugins in this repo, please review our contribution guide, and send a pull request.

In general, if you wish to contribute a new plugin to the Flutter ecosystem, please see the documentation for developing packages and platform channels. You can store your plugin source code in any GitHub repository (the present repo is only intended for plugins developed by the core CARP team). Once your plugin is ready you can publish to the pub repository.