FB10978412 Demo App (SwiftUI)

FB10978412App.swift

  /// FB10978412: Since macOS 11 Big Sur, CTFontCreateUIFontForLanguage cannot
  /// distinguish zh-Hans and zh-Hant with correct adoptation of proper PingFang SC/TC variants.

import SwiftUI

@main
struct FB10978412App: App {
  var body: some Scene {
    WindowGroup {
      ContentView()
    }
  }
}

struct ContentView: View {
  var body: some View {
    VStack {
      List {
        Group {
          Text("骨 zh-Hans").font(.init(CTFontCreateUIFontForLanguage(.system, 18, "zh-Hans" as CFString)!))
          Text("骨 zh-Hant").font(.init(CTFontCreateUIFontForLanguage(.system, 18, "zh-Hant" as CFString)!))
          Text("骨 ja").font(.init(CTFontCreateUIFontForLanguage(.system, 18, "ja" as CFString)!))
        }
      }
    }
    .padding()
  }
}

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