[iOS] ♻️ Enabled to use ttf files placed in commonMain on iOS.

app-ios/App/DroidKaigi2023/DroidKaigi2023/App.swift

@@ -1,8 +1,11 @@
 import Navigation
 import SwiftUI
+import Theme
 
 @main
 struct MainApp: App {
+    init() { FontAssets.registerAllCustomFonts() }
+
     var body: some Scene {
         WindowGroup {
             RootView()

app-ios/Modules/Sources/About/AboutView.swift

@@ -37,7 +37,7 @@ public struct AboutView<ContributorView: View, StaffView: View, SponsorView: Vie
                     Assets.Images.aboutKeyVisual.swiftUIImage
                     Spacer().frame(height: 16)
                     Text(L10n.About.description)
-                        .font(Font.system(size: 16))
+                        .font(Font.custom(FontAssets.Montserrat.medium, size: 16))
                         .frame(maxWidth: .infinity, alignment: .leading)
                     Spacer().frame(height: 12)
                     VStack(alignment: .leading, spacing: 12) {
@@ -123,14 +123,14 @@ public struct AboutView<ContributorView: View, StaffView: View, SponsorView: Vie
                     .padding(.vertical, 24)
 
                     Text(L10n.About.appVersion)
-                        .font(Font.system(size: 14, weight: .medium))
+                        .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                     Spacer().frame(height: 8)
                     Text(Bundle.main.formattedVersion)
-                        .font(Font.system(size: 14, weight: .medium))
+                        .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                     Spacer().frame(height: 8)
                     Text(L10n.About.androidRobotDescription)
                         .foregroundStyle(AssetColors.About.androidRobotDescription.swiftUIColor)
-                        .font(Font.system(size: 11, weight: .medium))
+                        .font(Font.custom(FontAssets.Montserrat.medium, size: 11))
                         .multilineTextAlignment(.center)
                 }
                 .padding(16)

app-ios/Modules/Sources/About/ListTile.swift

@@ -11,7 +11,7 @@ struct ListTile: View {
                 .renderingMode(.template)
                 .foregroundStyle(AssetColors.Surface.onSurfaceVariant.swiftUIColor)
             Text(title)
-                .font(Font.system(size: 14, weight: .medium))
+                .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                 .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)
         }
         .padding(.horizontal, 12)

app-ios/Modules/Sources/About/SectionTitle.swift

@@ -1,11 +1,12 @@
 import SwiftUI
+import Theme
 
 struct SectionTitle: View {
     let title: String
 
     var body: some View {
         Text(title)
-            .font(Font.system(size: 16, weight: .medium))
+            .font(Font.custom(FontAssets.Montserrat.medium, size: 16))
             .frame(maxWidth: .infinity, alignment: .leading)
             .padding(.top, 16)
     }

app-ios/Modules/Sources/Component/InformationRow.swift

@@ -34,16 +34,16 @@ public struct InformationRow: View {
             icon
             HStack(spacing: 12) {
                 Text(title)
-                    .font(Font.system(size: 14, weight: .semibold))
+                    .font(Font.custom(FontAssets.Montserrat.semiBold, size: 14))
                 HStack {
                     Text(content)
-                        .font(Font.system(size: 14, weight: .semibold))
+                        .font(Font.custom(FontAssets.Montserrat.semiBold, size: 14))
                     if let action = action {
                         Button {
                             action.action()
                         } label: {
                             Text(action.label)
-                                .font(Font.system(size: 14, weight: .semibold))
+                                .font(Font.custom(FontAssets.Montserrat.semiBold, size: 14))
                                 .underline()
                                 .foregroundStyle(
                                     AssetColors.Primary.primary.swiftUIColor

app-ios/Modules/Sources/Component/PersonLabel.swift

@@ -32,12 +32,12 @@ public struct PersonLabel: View {
             VStack(alignment: .leading) {
                 Text(name)
                     .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)
-                    .font(Font.system(size: 16, weight: .medium))
+                    .font(Font.custom(FontAssets.Montserrat.medium, size: 16))
                     .lineLimit(2)
                 if let notes = notes {
                     Text(notes)
                         .foregroundStyle(AssetColors.Surface.onSurfaceVariant.swiftUIColor)
-                        .font(Font.system(size: 12))
+                        .font(Font.custom(FontAssets.Montserrat.medium, size: 12))
                 }
             }
         }

app-ios/Modules/Sources/FloorMap/FloorMapFooterSegmentedButton.swift

@@ -30,7 +30,7 @@ struct FloorMapFooterSegmentedButton: View {
                             Assets.Icons.checkmark.swiftUIImage
                         }
                         Text("1F")
-                            .font(.system(size: 14, weight: .medium))
+                            .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                     }
                     .foregroundStyle(AssetColors.Secondary.onSecondaryContainer.swiftUIColor)
                 }
@@ -49,7 +49,7 @@ struct FloorMapFooterSegmentedButton: View {
                             Assets.Icons.checkmark.swiftUIImage
                         }
                         Text("B1F")
-                            .font(.system(size: 14, weight: .medium))
+                            .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                     }
                     .foregroundStyle(AssetColors.Secondary.onSecondaryContainer.swiftUIColor)
                 }

app-ios/Modules/Sources/FloorMap/FloorMapView.swift

@@ -48,7 +48,7 @@ public struct FloorMapView: View {
         VStack(alignment: .leading, spacing: 24) {
             VStack(alignment: .leading, spacing: 8) {
                 Text("1F")
-                    .font(Font.system(size: 24, weight: .medium))
+                    .font(Font.custom(FontAssets.Montserrat.medium, size: 24))
                 Assets.Images.floor1F.swiftUIImage
                     .resizable()
                     .scaledToFit()
@@ -64,7 +64,7 @@ public struct FloorMapView: View {
         VStack(alignment: .leading, spacing: 24) {
             VStack(alignment: .leading, spacing: 8) {
                 Text("B1F")
-                    .font(Font.system(size: 24, weight: .medium))
+                    .font(Font.custom(FontAssets.Montserrat.medium, size: 24))
                 Assets.Images.floorB1F.swiftUIImage
                     .resizable()
                     .scaledToFit()

app-ios/Modules/Sources/FloorMap/SideEventRow.swift

@@ -19,19 +19,20 @@ struct SideEventRow: View {
                             .foregroundStyle(sideEvent.iconColor)
 
                         Text(sideEvent.title.currentLangTitle)
-                            .font(.system(size: 14, weight: .bold))
+                            .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
+                            .fontWeight(.bold)
                     }
                     // Description
                     Text(sideEvent.description_.currentLangTitle)
-                        .font(.system(size: 14, weight: .medium))
+                        .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                 }
                 // Date
                 HStack(alignment: .center, spacing: 4) {
                     Assets.Icons.accessTime.swiftUIImage
                         .frame(width: 16, height: 16)
 
                     Text(sideEvent.timeText.currentLangTitle)
-                        .font(.system(size: 12, weight: .medium))
+                        .font(Font.custom(FontAssets.Montserrat.medium, size: 12))
                 }
             }
             .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)

app-ios/Modules/Sources/Session/SessionView.swift

@@ -27,7 +27,7 @@ public struct SessionView: View {
         ScrollView {
             VStack(alignment: .leading) {
                 Text(viewModel.timetableItem.title.currentLangTitle)
-                    .font(Font.system(size: 24, weight: .medium))
+                    .font(Font.custom(FontAssets.Montserrat.medium, size: 24))
                     .foregroundStyle(AssetColors.Surface.onSurfaceVariant.swiftUIColor)
                     .padding(.horizontal, 16)
                     .padding(.vertical, 24)
@@ -87,7 +87,7 @@ public struct SessionView: View {
                                 canBeExpanded = false
                             } label: {
                                 Text("続きを読む")
-                                    .font(Font.system(size: 14, weight: .medium))
+                                    .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                                     .foregroundStyle(AssetColors.Primary.primary.swiftUIColor)
                                     .frame(maxWidth: .infinity, minHeight: 40, maxHeight: 40, alignment: .center)
                                     .overlay {
@@ -105,10 +105,10 @@ public struct SessionView: View {
 
                 VStack(alignment: .leading, spacing: 16) {
                     Text("対象者")
-                        .font(Font.system(size: 14, weight: .semibold))
+                        .font(Font.custom(FontAssets.Montserrat.semiBold, size: 14))
                         .foregroundStyle(AssetColors.Surface.onSurfaceVariant.swiftUIColor)
                     Text(viewModel.timetableItem.targetAudience)
-                        .font(Font.system(size: 16))
+                        .font(Font.custom(FontAssets.Montserrat.medium, size: 16))
                         .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)
                 }
                 .padding(.vertical, 24)
@@ -118,7 +118,7 @@ public struct SessionView: View {
 
                 VStack(alignment: .leading, spacing: 16) {
                     Text("スピーカー")
-                        .font(Font.system(size: 14, weight: .semibold))
+                        .font(Font.custom(FontAssets.Montserrat.semiBold, size: 14))
                         .foregroundStyle(AssetColors.Surface.onSurfaceVariant.swiftUIColor)
 
                     VStack(alignment: .leading, spacing: 8) {
@@ -138,10 +138,10 @@ public struct SessionView: View {
                                 )
                                 VStack(alignment: .leading, spacing: 0) {
                                     Text(speaker.name)
-                                        .font(Font.system(size: 16))
+                                        .font(Font.custom(FontAssets.Montserrat.medium, size: 16))
                                         .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)
                                     Text(speaker.tagLine)
-                                        .font(Font.system(size: 12))
+                                        .font(Font.custom(FontAssets.Montserrat.medium, size: 12))
                                         .foregroundStyle(AssetColors.Surface.onSurfaceVariant.swiftUIColor)
                                 }
                             }

app-ios/Modules/Sources/Sponsor/SponsorGridView.swift

@@ -14,7 +14,7 @@ struct SponsorGridView: View {
     var body: some View {
         VStack(alignment: .leading, spacing: 16) {
             Text(title)
-                .font(.system(size: 22, weight: .semibold, design: .default))
+                .font(Font.custom(FontAssets.Montserrat.medium, size: 22))
                 .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)
             LazyVGrid(columns: Array(repeating: GridItem(spacing: 16), count: columns), spacing: 16) {
                 ForEach(sponsors) { sponsor in

app-ios/Modules/Sources/Theme/swiftgen.yml

@@ -10,3 +10,13 @@ xcassets:
       enumName: AssetColors
       publicAccess: true
       bundle: Bundle.myModule
+
+fonts:
+  inputs:
+    - Font
+  outputs:
+    templateName: swift5
+    output: Fonts.swift
+    params:
+      enumName: FontAssets
+      publicAccess: true

app-ios/Modules/Sources/Timetable/Bookmark/BookmarkView.swift

@@ -83,12 +83,12 @@ private struct BookmarkEmptyView: View {
                 .clipShape(RoundedRectangle(cornerRadius: 24))
             Spacer().frame(height: 24)
             Text("登録されたセッションがありません")
-                .font(Font.system(size: 22))
+                .font(Font.custom(FontAssets.Montserrat.medium, size: 22))
                 .multilineTextAlignment(.center)
                 .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)
             Spacer().frame(height: 8)
             Text("気になるセッションをブックマークに追加して集めてみましょう！")
-                .font(Font.system(size: 14))
+                .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                 .multilineTextAlignment(.center)
                 .foregroundStyle(AssetColors.Surface.onSurfaceVariant.swiftUIColor)
         }

app-ios/Modules/Sources/Timetable/FilterLabel.swift

@@ -22,7 +22,7 @@ struct FilterLabel: View {
                     Assets.Icons.check.swiftUIImage
                 }
                 Text(title)
-                    .font(Font.system(size: 14, weight: .medium))
+                    .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                 if isSelection {
                     Assets.Icons.arrowDropDown.swiftUIImage
                 }

app-ios/Modules/Sources/Timetable/PersonLabel.swift

@@ -23,7 +23,7 @@ struct PersonLabel: View {
 
             Text(speaker.name)
                 .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)
-                .font(Font.system(size: 14, weight: .medium))
+                .font(Font.custom(FontAssets.Montserrat.medium, size: 14))
                 .lineLimit(2)
         }
         .frame(maxWidth: .infinity, alignment: .leading)

app-ios/Modules/Sources/Timetable/Search/SearchView.swift

@@ -205,7 +205,7 @@ private struct SearchEmptyView: View {
                 .background(AssetColors.Secondary.secondaryContainer.swiftUIColor)
                 .clipShape(RoundedRectangle(cornerRadius: 24))
             Text("「\(inputText)」と一致する検索結果がありません")
-                .font(Font.system(size: 16, weight: .medium))
+                .font(Font.custom(FontAssets.Montserrat.medium, size: 16))
                 .multilineTextAlignment(.center)
                 .foregroundStyle(AssetColors.Surface.onSurfaceVariant.swiftUIColor)
         }

app-ios/Modules/Sources/Timetable/SessionTag.swift

@@ -1,4 +1,5 @@
 import SwiftUI
+import Theme
 
 struct SessionTag: View {
 
@@ -21,7 +22,7 @@ struct SessionTag: View {
 
     var body: some View {
         Text(label)
-            .font(Font.system(size: 12, weight: .medium))
+            .font(Font.custom(FontAssets.Montserrat.medium, size: 12))
             .padding(.horizontal, 8)
             .padding(.vertical, 4)
             .foregroundColor(labelColor)

app-ios/Modules/Sources/Timetable/SessionTimeView.swift

@@ -10,14 +10,16 @@ struct SessionTimeView: View {
         VStack(spacing: 4) {
             Text(startsTimeString)
                 .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)
-                .font(Font(UIFont.systemFont(ofSize: 16, weight: .bold)))
+                .font(Font.custom(FontAssets.Montserrat.medium, size: 16))
+                .fontWeight(.bold)
                 .frame(height: 24)
             Rectangle()
                 .foregroundColor(AssetColors.Outline.outlineVariant.swiftUIColor)
                 .frame(width: 2, height: 8)
             Text(endsTimeString)
                 .foregroundStyle(AssetColors.Secondary.secondary.swiftUIColor)
-                .font(Font(UIFont.systemFont(ofSize: 16, weight: .bold)))
+                .font(Font.custom(FontAssets.Montserrat.medium, size: 16))
+                .fontWeight(.bold)
                 .frame(height: 24)
         }
     }

app-ios/Modules/Sources/Timetable/TimetableDayHeader.swift

@@ -1,4 +1,3 @@
-import Assets
 import Model
 import shared
 import SwiftUI
@@ -32,10 +31,10 @@ struct TimetableDayHeader: View {
                     } label: {
                         VStack(spacing: 0) {
                             Text(day.name)
-                                .font(Font.system(size: 12, weight: .semibold))
+                                .font(Font.custom(FontAssets.Montserrat.semiBold, size: 12))
                             if !shouldCollapse {
                                 Text("\(day.dayOfMonth)")
-                                    .font(Font.system(size: 24, weight: .semibold))
+                                    .font(Font.custom(FontAssets.Montserrat.semiBold, size: 24))
                                     .frame(height: 32)
                             }
                         }

app-ios/Modules/Sources/Timetable/TimetableListItemView.swift

@@ -34,7 +34,7 @@ struct TimetableListItemView: View {
                 Spacer().frame(height: 8)
                 Text(addHighlightAttributes(title: timetableItem.title.currentLangTitle, searchWord: searchWord))
                     .multilineTextAlignment(.leading)
-                    .font(Font.system(size: 22, weight: .medium, design: .default))
+                    .font(Font.custom(FontAssets.Montserrat.medium, size: 22))
                     .foregroundStyle(AssetColors.Surface.onSurface.swiftUIColor)
                 if let session = timetableItem as? TimetableItem.Session {
                     if let message = session.message {
@@ -44,7 +44,8 @@ struct TimetableListItemView: View {
                                 .renderingMode(.template)
                             Text(message.currentLangTitle)
                                 .multilineTextAlignment(.leading)
-                                .font(Font.system(size: 12, weight: .regular, design: .default))
+                                .font(Font.custom(FontAssets.Montserrat.medium, size: 12))
+                                .fontWeight(.regular)
                         }
                         .foregroundStyle(AssetColors.Error.error.swiftUIColor)
                         Spacer().frame(height: 4)

app-ios/Modules/Sources/Timetable/TimetableView.swift

@@ -51,9 +51,9 @@ public struct TimetableView<SessionView: View>: View {
                         HStack(spacing: 0) {
                             VStack(alignment: .leading, spacing: 0) {
                                 Text("DroidKaigi\n2023")
-                                    .font(Font.system(size: 36))
+                                    .font(Font.custom(FontAssets.Montserrat.medium, size: 36))
                                 Text("at Bellesalle Shibuya Garden")
-                                    .font(Font.system(size: 12, weight: .semibold))
+                                    .font(Font.custom(FontAssets.Montserrat.semiBold, size: 12))
                             }
                             .padding(.horizontal, 16)
                             .foregroundStyle(AssetColors.Surface.onSurfaceVariant.swiftUIColor)

core/designsystem/src/iosMain/kotlin/io/github/droidkaigi/confsched2023/designsystem/theme/FontResource.kt

@@ -14,6 +14,9 @@ import org.jetbrains.compose.resources.resource
 val fontMap: HashMap<String, FontFamily?> = HashMap()
 
 // https://ishroid.medium.com/custom-font-loading-in-kmp-compose-multiplatform-2eb19865f61b
+// FIXME We initially planned to use this implementation on the iOS side.
+// However, when shared.swift is output by XCFramework, methods with Compose annotations are not output.
+// Therefore, this implementation cannot be referenced from the iOS side.
 @ExperimentalResourceApi
 @Composable
 actual fun fontFamilyResource(fontResource: FontResource): FontFamily? {