Circular Progress Bar with UIKit on iOS

Step-by-step guide on implementing a circular progress bar with UIKit, including custom views, layers, bezier paths, and engaging animations

Design by Kerr on Dribbble

In this tutorial, we will learn how to implement a circular progress bar using UIKit. This step-by-step guide will take you through creating a custom UIView subclass, defining custom layers, working with bezier paths, and adding custom progress animations.

Let’s get started!

Step 1: Create a New UIView Subclass

First, we need to create a new UIView subclass called CircularProgressBarView. This class will handle the drawing and animation of the circular progress bar.

import UIKit

final class CircularProgressBarView: UIView {

}

By subclassing UIView, we can customize its drawing behavior and add custom sublayers for our circular progress bar.

Step 2: Define Appearance Constants

Next, let’s define the constants for the appearance of the progress bar. This…