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SwiftUI: Stepper

Using stepper requires you to bind it to a number variable. However, it doesn’t have to a number type. As long as it conforms to Stridable then you are good to go.

Stridable is a type that represent continuous, one-dimensional values that can be offset and measured.

A control used to perform semantic increment and decrement actions.

Apple Documentation

In this tutorial, you’ll learn what it takes to build a stepper in SwiftUI. You’ll learn:

  • How to build a stepper from scratch.
  • How to customize a stepper.


To follow along this tutorial, you’ll need some basic knowledge in:

  • A basic familiarity with Swift.
  • At least Xcode 11


Stepper will handles the incremental and decremental for you which is a good thing. First thing first, create a number variable to be bind to the stepper.

Now, create a stepper by binding the variable to it.

Customizing Stepper

As always, designers always wanted to raise the bar by inserting an image into their design. Now, you have to oblige or find a new job. With SwiftUI, almost everything can be done quickly and easily. You can insert this line of code before the Text.

Of course the designer would pick a love icon. Depending on your usage, if you want the image to be on the right, simply move the code around. It’s that easy!

When it comes to customizing the background color, Apple didn’t really give us much choice. You have to take the difficult router. But you have to please the company and the designer, so you are going to do it!

HStack has been really useful in most cases. Here, you will be creating everything under HStack.

Where to go From Here

If you feel like you are ready to take on more challenges, feel free to check out some other tutorials that we have created:

Published inSwiftUI

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