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Charts in Flutter

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Charts in Flutter, the Charts are used for the Graphical Representation of the data, making it easier for the users to understand the data and analyze it. Charts are easy to read in comparison to read a huge set of data.

There are various type of charts like-

  1. Bar Chart
  2. Line Chart
  3. Pie Chart
  4. Scatter Plot Chart
  5. Time Series Chart

Implementation of Charts in Flutter

First of all, you will have to add the charts_flutter dependency in pubspec.yaml file of our project.

To get the updated version of the dependency, you can check here.

Run the pub get command, to include it the project.

Bar Chart

A Bar Chart is a way of representing data through rectangular bars and it can also be used to make the chart in either Horizontal or Vertical Direction.

By default, Bar Chart is created in Vertical Direction.

If you want to add labels, within our rectangular bars, we can add a property named ‘barRendererDecorator’.

To make the Horizontal Bar Chart, you can set the vertical property to ‘false’.

Line Chart

Line Chart is the one which represents the data in the form lines.

 

Pie Chart

Pie chart is a chart which is in circular shape and is divided into multiple sections based on the percentage.

To add the labels in the Pie Chart, we can use the ‘labelPosition’ property of ‘defaultRenderer’ .

You can even choose to add your labels inside or outside the Pie Chart as per your requirement.

Conclusion

In this blog, we have read about the Charts in Flutter.

I hope it will help you out in understanding and getting a brief idea about it.

Thank you for reading!!

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Big thanks to Webkul and his team for helping get Opencart 3.0.3.7 release ready!

Deniel Kerr

Owner and Founder. Opencart

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