Let’s Build a Circular Loading Indicator in Swift 5

Let’s Build a Circular Loading Indicator in Swift 5

In this tutorial, we will learn how to implement a circular loading indicator in Swift. By the end, you will have a reusable UI element you can use in your apps to suit your needs.

In this tutorial, we will learn how to implement a circular loading indicator in Swift. By the end, you will have a reusable UI element you can use in your apps to suit your needs.

In short, this is what we will master in this article:

  • Create a circular shape and path using CAShapeLayer and UIBezierPath
  • Animate circular drawing using CABasicAnimation and CAKeyframeAnimation
  • Combine several animations using CAAnimationGroup

This is the result we are going to achieve:

mobile phone screen with spinning circle that changes color from red to green to blue

The source code of the finished project is available at the bottom of the article.

Without further ado, let’s get started.

programming swift xcode mobile ios

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