microsoft / microsoft/fluentui-apple

Font Size doesn't adapt to Dynamic Typing

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Dominant language
Swift
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Forks
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Description

Environment Information
  • Platform:
    • iOS
    • macOS
  • Package version(s): (fill this out, include which package manager you're using) 0.19.0
  • Xcode and OS versions: (fill this out if relevant) xcode 14.3, ios 15+
Please provide a reproduction of the bug:
import FluentUI
import SwiftUI

struct ContentView: View {
    var body: some View {
        VStack {
            Image(systemName: "globe")
                .imageScale(.large)
                .foregroundColor(.accentColor)
			Text("Hello, world!").font(Font(FluentTheme.shared.typography(.body1Strong)))
        }
        .padding()
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}

Above code used FluentTheme to read font info. when i run this code and chose dynamic typing from xcode debug option or set the font size from Accessibility >> Large Text Option, Then font in sample app is not adapting to the changed size.

Actual behavior:

Font size not adapting to changed value

Expected behavior:

Font size should change according to settings

Priorities and help requested:

Are you willing to submit a PR to fix? (Yes, No) No

Requested priority: (Blocking, High, Normal, Low) High

Products/applications affected: (if applicable)

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the SwiftUI ContentView reproduction and the FluentTheme.shared.typography(.body1Strong) call, then run it on iOS 15+ while changing Dynamic Type or the Accessibility large-text setting. Done means the rendered font size changes with the system setting, matching the expected behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
swift
Domain
accessibility, mobile
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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