How to use custom fonts with SwiftUI

⋅ 3 min read ⋅ SwiftUI Font

Table of Contents

Fonts are no different than other assets like images. You can add and use a custom one in an iOS app.

The process is not hard, but it requires a few extra steps to make it work. Let's learn how to do it.

To use custom fonts with SwiftUI, you need to do the following steps.

  1. Find a custom font
  2. Add a custom font to your app
  3. Use a custom font in SwiftUI

Find a custom font to use in your app

To add a custom font, we need a font file. I will use Silkscreen font in this article.

Fonts are generally very expensive, and a license is also complicated. There are usually different licenses for desktop, printing, and mobile. Make sure you read them carefully and pick the right one that suits your need.

My go-to resource is Google Fonts. You can find many beautiful free licensed font families there.

Here are the two Silkscreen font styles I downloaded.

Silkscreen font.
Silkscreen font.

Adding a custom font to your app

There are two steps to adding a custom font to your iOS app.

  1. Add the Font File to Your Xcode Project.
  2. Register Your Font File with iOS.

Add the font file to your Xcode project

You can add custom fonts into an Xcode the same way you did with other assets. Nothing complicated in this first step.

  1. You can add them via menu by selecting File menu > Add Files to "Your Project Name..." from the menu bar, select all the fonts you need to add, then click the Add button.
Add fonts from menu.
Add fonts from menu.

Or drag the file from Finder and drop it into your Xcode project.

Add fonts by dragging.
Add fonts by dragging.
  1. Ensure both Copy items if needed and Add to targets are checked.
Ensure both
Ensure both "Copy items if needed" and "Add to targets" are checked.

Register your font file with iOS

After you add a custom font to the project, you need to introduce them to iOS.

To do this:

  1. Navigate to Info.plist.
  1. After opening your Info.plist, add the key "Fonts provided by application".
Add the key
Add the key "Fonts provided by application"
  1. Add the name of all the fonts as items of the array. Be sure to include the file extension as part of the name.
Put all font files with extension as the content of the
Put all font files with extension as the content of the "Fonts provided by application" key.

Use a custom font in SwiftUI

That's all you need to do to add a custom font to your SwiftUI app.

To use a custom font in SwiftUI, we initialize Font with custom(_:size:) static method.

Then we use it in a place where Font is expected. In this example, I use a custom font on a Text view.

VStack {
Text("Hello, world!")
.font(.custom("Silkscreen-Regular", size: 46))
Text("Hello, world!")
.font(.custom("Silkscreen-Bold", size: 46))
Use custom font in SwiftUI text view.
Use custom font in SwiftUI text view.

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