Creating Dynamic Pie/Donut Charts in SwiftUI from Data: A Step-by-Step Guide

This tutorial shows you how to Create a Pie or Donut chart to explain the data that we have gathered using SwiftUI and Xcode15. IOS 17 supports builtin pie and donut graphs but if you want to support earlier version you need to create it using paths and angles.
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[@adityarajsingh5700]

How can we give gap between slices in this implementation.

[@adityarajsingh5700]

How can we give gap between slices in this implementation.

[@programmingwithapurpose6807]

It is very simple , just subtract some degree angle from endAngle and add the same value to startAngle. The basic idea is while drawing sectors start late in angles and end early so that we get the white default spaces in between.

[@adityarajsingh5700]

@@programmingwithapurpose6807 thanks for your quick reply 😊

[@adityarajsingh5700]

I question this will fail in case of like large data and one calories entries is 1 and other 8 entries are like in 120 like on. And also the gap angle degree is more then we can subtract. Correct?

[@programmingwithapurpose6807]

I cannot understand the real issue but we need to consistent with the spacing so fixed angle gap. If there are too many sectors then i think it is not wise to use gap between sectors.