In this blog post, we are going to discuss how to design a heat map calendar and apply color for the different month cells based on a user’s mobile usage using the Flutter event Calendar widget.
A heat map is a data visualization technique that uses colors the way a bar graph uses height and width. To create a heat map calendar, we require data for a month’s dates. In our example, we are going to display the digital well-being data of a smartphone.
These days, smartphones have become essential, and our daily usage of smartphones is increasingly high. We are using mobile phones for 8 to 9 hours a day. So, to track a user’s mobile phone usage, we can use digital well-being data. The Syncfusion Flutter event Calendar, with its rich feature set, allows users to design a heatmap calendar using custom builder support.
Heat Map Using Flutter Event Calendar
Note: If you are new to the Calendar widget, please go through the Getting started with Flutter event Calendar documentation before proceeding.
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