The Flutter app demonstrates displaying data in a weekly format.
In this project you will see how to create charts using charts_flutter plugin in the chart data is retrieved from the Firestore.
A pretty plotting package for Flutter apps. Sizing and autopadding isn't great right now, but tinkering with padding and fontSize will allow for you to align things well.
A work-in-progress chart library for Flutter. Until version 1.0.0 the API is subject to change drastically. Needless to say, fcharts is not production ready.