[Gallery] Fix directory structure (#312)

gallery/lib/data/demos.dart

@@ -0,0 +1,847 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:gallery/codeviewer/code_displayer.dart';
+import 'package:gallery/codeviewer/code_segments.dart';
+import 'package:gallery/data/gallery_options.dart';
+import 'package:gallery/data/icons.dart';
+import 'package:gallery/demos/cupertino/cupertino_activity_indicator_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_alert_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_button_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_navigation_bar_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_picker_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_refresh_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_segmented_control_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_slider_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_switch_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_tab_bar_demo.dart';
+import 'package:gallery/demos/cupertino/cupertino_text_field_demo.dart';
+import 'package:gallery/demos/material/banner_demo.dart';
+import 'package:gallery/demos/material/bottom_app_bar_demo.dart';
+import 'package:gallery/demos/material/bottom_navigation_demo.dart';
+import 'package:gallery/demos/material/bottom_sheet_demo.dart';
+import 'package:gallery/demos/material/button_demo.dart';
+import 'package:gallery/demos/material/cards_demo.dart';
+import 'package:gallery/demos/material/chip_demo.dart';
+import 'package:gallery/demos/material/data_table_demo.dart';
+import 'package:gallery/demos/material/dialog_demo.dart';
+import 'package:gallery/demos/material/grid_list_demo.dart';
+import 'package:gallery/demos/material/list_demo.dart';
+import 'package:gallery/demos/material/menu_demo.dart';
+import 'package:gallery/demos/material/picker_demo.dart';
+import 'package:gallery/demos/material/progress_indicator_demo.dart';
+import 'package:gallery/demos/material/selection_controls_demo.dart';
+import 'package:gallery/demos/material/sliders_demo.dart';
+import 'package:gallery/demos/material/snackbar_demo.dart';
+import 'package:gallery/demos/material/tabs_demo.dart';
+import 'package:gallery/demos/material/text_field_demo.dart';
+import 'package:gallery/demos/material/tooltip_demo.dart';
+import 'package:gallery/demos/reference/colors_demo.dart';
+import 'package:gallery/demos/reference/transformations_demo.dart';
+import 'package:gallery/demos/reference/typography_demo.dart';
+import 'package:gallery/l10n/gallery_localizations.dart';
+import 'package:gallery/themes/material_demo_theme_data.dart';
+
+const _docsBaseUrl = 'https://api.flutter.dev/flutter';
+
+class GalleryDemo {
+  GalleryDemo({
+    @required this.title,
+    @required this.icon,
+    @required this.subtitle,
+    @required this.configurations,
+  })  : assert(title != null),
+        assert(icon != null),
+        assert(configurations != null && configurations.isNotEmpty);
+
+  final String title;
+  final IconData icon;
+  final String subtitle;
+  final List<GalleryDemoConfiguration> configurations;
+}
+
+class GalleryDemoConfiguration {
+  GalleryDemoConfiguration({
+    this.title,
+    this.description,
+    this.documentationUrl,
+    this.buildRoute,
+    this.code,
+  });
+
+  final String title;
+  final String description;
+  final String documentationUrl;
+  final WidgetBuilder buildRoute;
+  final CodeDisplayer code;
+}
+
+List<GalleryDemo> materialDemos(BuildContext context) {
+  final localizations = GalleryLocalizations.of(context);
+  return [
+    GalleryDemo(
+      title: localizations.demoBannerTitle,
+      icon: GalleryIcons.listsLeaveBehind,
+      subtitle: localizations.demoBannerSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoBannerTitle,
+          description: localizations.demoBannerDescription,
+          documentationUrl: '$_docsBaseUrl/material/MaterialBanner-class.html',
+          buildRoute: (_) => BannerDemo(),
+          code: CodeSegments.bannerDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoBottomAppBarTitle,
+      icon: GalleryIcons.bottomAppBar,
+      subtitle: localizations.demoBottomAppBarSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoBottomAppBarTitle,
+          description: localizations.demoBottomAppBarDescription,
+          documentationUrl: '$_docsBaseUrl/material/BottomAppBar-class.html',
+          buildRoute: (_) => BottomAppBarDemo(),
+          code: CodeSegments.bottomAppBarDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoBottomNavigationTitle,
+      icon: GalleryIcons.bottomNavigation,
+      subtitle: localizations.demoBottomNavigationSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoBottomNavigationPersistentLabels,
+          description: localizations.demoBottomNavigationDescription,
+          documentationUrl:
+              '$_docsBaseUrl/material/BottomNavigationBar-class.html',
+          buildRoute: (_) =>
+              BottomNavigationDemo(type: BottomNavigationDemoType.withLabels),
+          code: CodeSegments.bottomNavigationDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoBottomNavigationSelectedLabel,
+          description: localizations.demoBottomNavigationDescription,
+          documentationUrl:
+              '$_docsBaseUrl/material/BottomNavigationBar-class.html',
+          buildRoute: (_) => BottomNavigationDemo(
+              type: BottomNavigationDemoType.withoutLabels),
+          code: CodeSegments.bottomNavigationDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoBottomSheetTitle,
+      icon: GalleryIcons.bottomSheets,
+      subtitle: localizations.demoBottomSheetSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoBottomSheetPersistentTitle,
+          description: localizations.demoBottomSheetPersistentDescription,
+          documentationUrl: '$_docsBaseUrl/material/BottomSheet-class.html',
+          buildRoute: (_) =>
+              BottomSheetDemo(type: BottomSheetDemoType.persistent),
+          code: CodeSegments.bottomSheetDemoPersistent,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoBottomSheetModalTitle,
+          description: localizations.demoBottomSheetModalDescription,
+          documentationUrl: '$_docsBaseUrl/material/BottomSheet-class.html',
+          buildRoute: (_) => BottomSheetDemo(type: BottomSheetDemoType.modal),
+          code: CodeSegments.bottomSheetDemoModal,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoButtonTitle,
+      icon: GalleryIcons.genericButtons,
+      subtitle: localizations.demoButtonSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoFlatButtonTitle,
+          description: localizations.demoFlatButtonDescription,
+          documentationUrl: '$_docsBaseUrl/material/FlatButton-class.html',
+          buildRoute: (_) => ButtonDemo(type: ButtonDemoType.flat),
+          code: CodeSegments.buttonDemoFlat,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoRaisedButtonTitle,
+          description: localizations.demoRaisedButtonDescription,
+          documentationUrl: '$_docsBaseUrl/material/RaisedButton-class.html',
+          buildRoute: (_) => ButtonDemo(type: ButtonDemoType.raised),
+          code: CodeSegments.buttonDemoRaised,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoOutlineButtonTitle,
+          description: localizations.demoOutlineButtonDescription,
+          documentationUrl: '$_docsBaseUrl/material/OutlineButton-class.html',
+          buildRoute: (_) => ButtonDemo(type: ButtonDemoType.outline),
+          code: CodeSegments.buttonDemoOutline,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoToggleButtonTitle,
+          description: localizations.demoToggleButtonDescription,
+          documentationUrl: '$_docsBaseUrl/material/ToggleButtons-class.html',
+          buildRoute: (_) => ButtonDemo(type: ButtonDemoType.toggle),
+          code: CodeSegments.buttonDemoToggle,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoFloatingButtonTitle,
+          description: localizations.demoFloatingButtonDescription,
+          documentationUrl:
+              '$_docsBaseUrl/material/FloatingActionButton-class.html',
+          buildRoute: (_) => ButtonDemo(type: ButtonDemoType.floating),
+          code: CodeSegments.buttonDemoFloating,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: GalleryLocalizations.of(context).demoCardTitle,
+      icon: GalleryIcons.cards,
+      subtitle: GalleryLocalizations.of(context).demoCardSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: GalleryLocalizations.of(context).demoCardTitle,
+          description: GalleryLocalizations.of(context).demoCardDescription,
+          documentationUrl: '$_docsBaseUrl/material/Card-class.html',
+          buildRoute: (context) => CardsDemo(),
+          code: CodeSegments.cardsDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoChipTitle,
+      icon: GalleryIcons.chips,
+      subtitle: localizations.demoChipSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoActionChipTitle,
+          description: localizations.demoActionChipDescription,
+          documentationUrl: '$_docsBaseUrl/material/ActionChip-class.html',
+          buildRoute: (_) => ChipDemo(type: ChipDemoType.action),
+          code: CodeSegments.chipDemoAction,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoChoiceChipTitle,
+          description: localizations.demoChoiceChipDescription,
+          documentationUrl: '$_docsBaseUrl/material/ChoiceChip-class.html',
+          buildRoute: (_) => ChipDemo(type: ChipDemoType.choice),
+          code: CodeSegments.chipDemoChoice,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoFilterChipTitle,
+          description: localizations.demoFilterChipDescription,
+          documentationUrl: '$_docsBaseUrl/material/FilterChip-class.html',
+          buildRoute: (_) => ChipDemo(type: ChipDemoType.filter),
+          code: CodeSegments.chipDemoFilter,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoInputChipTitle,
+          description: localizations.demoInputChipDescription,
+          documentationUrl: '$_docsBaseUrl/material/InputChip-class.html',
+          buildRoute: (_) => ChipDemo(type: ChipDemoType.input),
+          code: CodeSegments.chipDemoInput,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoDataTableTitle,
+      icon: GalleryIcons.dataTable,
+      subtitle: localizations.demoDataTableSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoDataTableTitle,
+          description: localizations.demoDataTableDescription,
+          documentationUrl: '$_docsBaseUrl/material/DataTable-class.html',
+          buildRoute: (_) => DataTableDemo(),
+          code: CodeSegments.dataTableDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoDialogTitle,
+      icon: GalleryIcons.dialogs,
+      subtitle: localizations.demoDialogSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoAlertDialogTitle,
+          description: localizations.demoAlertDialogDescription,
+          documentationUrl: '$_docsBaseUrl/material/AlertDialog-class.html',
+          buildRoute: (_) => DialogDemo(type: DialogDemoType.alert),
+          code: CodeSegments.dialogDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoAlertTitleDialogTitle,
+          description: localizations.demoAlertDialogDescription,
+          documentationUrl: '$_docsBaseUrl/material/AlertDialog-class.html',
+          buildRoute: (_) => DialogDemo(type: DialogDemoType.alertTitle),
+          code: CodeSegments.dialogDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoSimpleDialogTitle,
+          description: localizations.demoSimpleDialogDescription,
+          documentationUrl: '$_docsBaseUrl/material/SimpleDialog-class.html',
+          buildRoute: (_) => DialogDemo(type: DialogDemoType.simple),
+          code: CodeSegments.dialogDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoFullscreenDialogTitle,
+          description: localizations.demoFullscreenDialogDescription,
+          documentationUrl:
+              '$_docsBaseUrl/widgets/PageRoute/fullscreenDialog.html',
+          buildRoute: (_) => DialogDemo(type: DialogDemoType.fullscreen),
+          code: CodeSegments.dialogDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoGridListsTitle,
+      icon: GalleryIcons.gridOn,
+      subtitle: localizations.demoGridListsSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoGridListsImageOnlyTitle,
+          description: localizations.demoGridListsDescription,
+          documentationUrl: '$_docsBaseUrl/widgets/GridView-class.html',
+          buildRoute: (context) =>
+              GridListDemo(type: GridListDemoType.imageOnly),
+          code: CodeSegments.gridListsDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoGridListsHeaderTitle,
+          description: localizations.demoGridListsDescription,
+          documentationUrl: '$_docsBaseUrl/widgets/GridView-class.html',
+          buildRoute: (context) => GridListDemo(type: GridListDemoType.header),
+          code: CodeSegments.gridListsDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoGridListsFooterTitle,
+          description: localizations.demoGridListsDescription,
+          documentationUrl: '$_docsBaseUrl/widgets/GridView-class.html',
+          buildRoute: (context) => GridListDemo(type: GridListDemoType.footer),
+          code: CodeSegments.gridListsDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoListsTitle,
+      icon: GalleryIcons.listAlt,
+      subtitle: localizations.demoListsSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoOneLineListsTitle,
+          description: localizations.demoListsDescription,
+          documentationUrl: '$_docsBaseUrl/material/ListTile-class.html',
+          buildRoute: (context) => ListDemo(type: ListDemoType.oneLine),
+          code: CodeSegments.listDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoTwoLineListsTitle,
+          description: localizations.demoListsDescription,
+          documentationUrl: '$_docsBaseUrl/material/ListTile-class.html',
+          buildRoute: (context) => ListDemo(type: ListDemoType.twoLine),
+          code: CodeSegments.listDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoMenuTitle,
+      icon: GalleryIcons.moreVert,
+      subtitle: localizations.demoMenuSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoContextMenuTitle,
+          description: localizations.demoMenuDescription,
+          documentationUrl: '$_docsBaseUrl/material/PopupMenuItem-class.html',
+          buildRoute: (context) => MenuDemo(
+            type: MenuDemoType.contextMenu,
+          ),
+          code: CodeSegments.menuDemoContext,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoSectionedMenuTitle,
+          description: localizations.demoMenuDescription,
+          documentationUrl: '$_docsBaseUrl/material/PopupMenuItem-class.html',
+          buildRoute: (context) => MenuDemo(
+            type: MenuDemoType.sectionedMenu,
+          ),
+          code: CodeSegments.menuDemoSectioned,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoChecklistMenuTitle,
+          description: localizations.demoMenuDescription,
+          documentationUrl:
+              '$_docsBaseUrl/material/CheckedPopupMenuItem-class.html',
+          buildRoute: (context) => MenuDemo(
+            type: MenuDemoType.checklistMenu,
+          ),
+          code: CodeSegments.menuDemoChecklist,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoSimpleMenuTitle,
+          description: localizations.demoMenuDescription,
+          documentationUrl: '$_docsBaseUrl/material/PopupMenuItem-class.html',
+          buildRoute: (context) => MenuDemo(
+            type: MenuDemoType.simpleMenu,
+          ),
+          code: CodeSegments.menuDemoSimple,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoPickersTitle,
+      icon: GalleryIcons.event,
+      subtitle: localizations.demoPickersSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoDatePickerTitle,
+          description: localizations.demoDatePickerDescription,
+          documentationUrl: '$_docsBaseUrl/material/showDatePicker.html',
+          buildRoute: (context) => PickerDemo(type: PickerDemoType.date),
+          code: CodeSegments.pickerDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoTimePickerTitle,
+          description: localizations.demoTimePickerDescription,
+          documentationUrl: '$_docsBaseUrl/material/showTimePicker.htmlhtml',
+          buildRoute: (context) => PickerDemo(type: PickerDemoType.time),
+          code: CodeSegments.pickerDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoProgressIndicatorTitle,
+      icon: GalleryIcons.progressActivity,
+      subtitle: localizations.demoProgressIndicatorSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCircularProgressIndicatorTitle,
+          description: localizations.demoCircularProgressIndicatorDescription,
+          documentationUrl:
+              '$_docsBaseUrl/material/CircularProgressIndicator-class.html',
+          buildRoute: (context) => ProgressIndicatorDemo(
+            type: ProgressIndicatorDemoType.circular,
+          ),
+          code: CodeSegments.progressIndicatorsDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoLinearProgressIndicatorTitle,
+          description: localizations.demoLinearProgressIndicatorDescription,
+          documentationUrl:
+              '$_docsBaseUrl/material/LinearProgressIndicator-class.html',
+          buildRoute: (context) => ProgressIndicatorDemo(
+            type: ProgressIndicatorDemoType.linear,
+          ),
+          code: CodeSegments.progressIndicatorsDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoSelectionControlsTitle,
+      icon: GalleryIcons.checkBox,
+      subtitle: localizations.demoSelectionControlsSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoSelectionControlsCheckboxTitle,
+          description: localizations.demoSelectionControlsCheckboxDescription,
+          documentationUrl: '$_docsBaseUrl/material/Checkbox-class.html',
+          buildRoute: (context) => SelectionControlsDemo(
+            type: SelectionControlsDemoType.checkbox,
+          ),
+          code: CodeSegments.selectionControlsDemoCheckbox,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoSelectionControlsRadioTitle,
+          description: localizations.demoSelectionControlsRadioDescription,
+          documentationUrl: '$_docsBaseUrl/material/Radio-class.html',
+          buildRoute: (context) => SelectionControlsDemo(
+            type: SelectionControlsDemoType.radio,
+          ),
+          code: CodeSegments.selectionControlsDemoRadio,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoSelectionControlsSwitchTitle,
+          description: localizations.demoSelectionControlsSwitchDescription,
+          documentationUrl: '$_docsBaseUrl/material/Switch-class.html',
+          buildRoute: (context) => SelectionControlsDemo(
+            type: SelectionControlsDemoType.switches,
+          ),
+          code: CodeSegments.selectionControlsDemoSwitches,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoSlidersTitle,
+      icon: GalleryIcons.sliders,
+      subtitle: localizations.demoSlidersSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoSlidersTitle,
+          description: localizations.demoSlidersDescription,
+          documentationUrl: '$_docsBaseUrl/material/Slider-class.html',
+          buildRoute: (context) => SlidersDemo(type: SlidersDemoType.sliders),
+          code: CodeSegments.slidersDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoRangeSlidersTitle,
+          description: localizations.demoRangeSlidersDescription,
+          documentationUrl: '$_docsBaseUrl/material/RangeSlider-class.html',
+          buildRoute: (context) =>
+              SlidersDemo(type: SlidersDemoType.rangeSliders),
+          code: CodeSegments.rangeSlidersDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoCustomSlidersTitle,
+          description: localizations.demoCustomSlidersDescription,
+          documentationUrl: '$_docsBaseUrl/material/SliderTheme-class.html',
+          buildRoute: (context) =>
+              SlidersDemo(type: SlidersDemoType.customSliders),
+          code: CodeSegments.customSlidersDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoSnackbarsTitle,
+      icon: GalleryIcons.snackbar,
+      subtitle: localizations.demoSnackbarsSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoSnackbarsTitle,
+          description: localizations.demoSnackbarsDescription,
+          documentationUrl: '$_docsBaseUrl/material/SnackBar-class.html',
+          buildRoute: (context) => SnackbarsDemo(),
+          code: CodeSegments.snackbarsDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoTabsTitle,
+      icon: GalleryIcons.tabs,
+      subtitle: localizations.demoTabsSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoTabsScrollingTitle,
+          description: localizations.demoTabsDescription,
+          documentationUrl: '$_docsBaseUrl/material/TabBar-class.html',
+          buildRoute: (context) => TabsDemo(type: TabsDemoType.scrollable),
+          code: CodeSegments.tabsScrollableDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoTabsNonScrollingTitle,
+          description: localizations.demoTabsDescription,
+          documentationUrl: '$_docsBaseUrl/material/TabBar-class.html',
+          buildRoute: (context) => TabsDemo(type: TabsDemoType.nonScrollable),
+          code: CodeSegments.tabsNonScrollableDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoTextFieldTitle,
+      icon: GalleryIcons.textFieldsAlt,
+      subtitle: localizations.demoTextFieldSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoTextFieldTitle,
+          description: localizations.demoTextFieldDescription,
+          documentationUrl: '$_docsBaseUrl/material/TextField-class.html',
+          buildRoute: (_) => TextFieldDemo(),
+          code: CodeSegments.textFieldDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoTooltipTitle,
+      icon: GalleryIcons.tooltip,
+      subtitle: localizations.demoTooltipSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoTooltipTitle,
+          description: localizations.demoTooltipDescription,
+          documentationUrl: '$_docsBaseUrl/material/Tooltip-class.html',
+          buildRoute: (_) => TooltipDemo(),
+          code: CodeSegments.tooltipDemo,
+        ),
+      ],
+    ),
+  ];
+}
+
+List<GalleryDemo> cupertinoDemos(BuildContext context) {
+  final localizations = GalleryLocalizations.of(context);
+  return [
+    GalleryDemo(
+      title: localizations.demoCupertinoActivityIndicatorTitle,
+      icon: GalleryIcons.cupertinoProgress,
+      subtitle: localizations.demoCupertinoActivityIndicatorSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoActivityIndicatorTitle,
+          description: localizations.demoCupertinoActivityIndicatorDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoActivityIndicator-class.html',
+          buildRoute: (_) => CupertinoProgressIndicatorDemo(),
+          code: CodeSegments.cupertinoActivityIndicatorDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoCupertinoAlertsTitle,
+      icon: GalleryIcons.dialogs,
+      subtitle: localizations.demoCupertinoAlertsSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoAlertTitle,
+          description: localizations.demoCupertinoAlertDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoAlertDialog-class.html',
+          buildRoute: (_) => CupertinoAlertDemo(type: AlertDemoType.alert),
+          code: CodeSegments.cupertinoAlertDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoAlertWithTitleTitle,
+          description: localizations.demoCupertinoAlertDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoAlertDialog-class.html',
+          buildRoute: (_) => CupertinoAlertDemo(type: AlertDemoType.alertTitle),
+          code: CodeSegments.cupertinoAlertDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoAlertButtonsTitle,
+          description: localizations.demoCupertinoAlertDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoAlertDialog-class.html',
+          buildRoute: (_) =>
+              CupertinoAlertDemo(type: AlertDemoType.alertButtons),
+          code: CodeSegments.cupertinoAlertDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoAlertButtonsOnlyTitle,
+          description: localizations.demoCupertinoAlertDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoAlertDialog-class.html',
+          buildRoute: (_) =>
+              CupertinoAlertDemo(type: AlertDemoType.alertButtonsOnly),
+          code: CodeSegments.cupertinoAlertDemo,
+        ),
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoActionSheetTitle,
+          description: localizations.demoCupertinoActionSheetDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoActionSheet-class.html',
+          buildRoute: (_) =>
+              CupertinoAlertDemo(type: AlertDemoType.actionSheet),
+          code: CodeSegments.cupertinoAlertDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoCupertinoButtonsTitle,
+      icon: GalleryIcons.genericButtons,
+      subtitle: localizations.demoCupertinoButtonsSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoButtonsTitle,
+          description: localizations.demoCupertinoButtonsDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoButton-class.html',
+          buildRoute: (_) => CupertinoButtonDemo(),
+          code: CodeSegments.cupertinoButtonDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoCupertinoNavigationBarTitle,
+      icon: GalleryIcons.bottomSheetPersistent,
+      subtitle: localizations.demoCupertinoNavigationBarSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoNavigationBarTitle,
+          description: localizations.demoCupertinoNavigationBarDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoNavigationBar-class.html',
+          buildRoute: (_) => CupertinoNavigationBarDemo(),
+          code: CodeSegments.cupertinoNavigationBarDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoCupertinoPickerTitle,
+      icon: GalleryIcons.event,
+      subtitle: localizations.demoCupertinoPickerSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoPickerTitle,
+          description: localizations.demoCupertinoPickerDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoDatePicker-class.html',
+          buildRoute: (_) => CupertinoPickerDemo(),
+          code: CodeSegments.cupertinoPickersDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoCupertinoPullToRefreshTitle,
+      icon: GalleryIcons.cupertinoPullToRefresh,
+      subtitle: localizations.demoCupertinoPullToRefreshSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoPullToRefreshTitle,
+          description: localizations.demoCupertinoPullToRefreshDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoSliverRefreshControl-class.html',
+          buildRoute: (_) => CupertinoRefreshControlDemo(),
+          code: CodeSegments.cupertinoRefreshDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoCupertinoSegmentedControlTitle,
+      icon: GalleryIcons.tabs,
+      subtitle: localizations.demoCupertinoSegmentedControlSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoSegmentedControlTitle,
+          description: localizations.demoCupertinoSegmentedControlDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoSegmentedControl-class.html',
+          buildRoute: (_) => CupertinoSegmentedControlDemo(),
+          code: CodeSegments.cupertinoSegmentedControlDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoCupertinoSliderTitle,
+      icon: GalleryIcons.sliders,
+      subtitle: localizations.demoCupertinoSliderSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoSliderTitle,
+          description: localizations.demoCupertinoSliderDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoSlider-class.html',
+          buildRoute: (_) => CupertinoSliderDemo(),
+          code: CodeSegments.cupertinoSliderDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoSelectionControlsSwitchTitle,
+      icon: GalleryIcons.cupertinoSwitch,
+      subtitle: localizations.demoCupertinoSwitchSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoSelectionControlsSwitchTitle,
+          description: localizations.demoCupertinoSwitchDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoSwitch-class.html',
+          buildRoute: (_) => CupertinoSwitchDemo(),
+          code: CodeSegments.cupertinoSwitchDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoCupertinoTabBarTitle,
+      icon: GalleryIcons.bottomNavigation,
+      subtitle: localizations.demoCupertinoTabBarSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoTabBarTitle,
+          description: localizations.demoCupertinoTabBarDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoTabBar-class.html',
+          buildRoute: (_) => CupertinoTabBarDemo(),
+          code: CodeSegments.cupertinoNavigationDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoCupertinoTextFieldTitle,
+      icon: GalleryIcons.textFieldsAlt,
+      subtitle: localizations.demoCupertinoTextFieldSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoCupertinoTextFieldTitle,
+          description: localizations.demoCupertinoTextFieldDescription,
+          documentationUrl:
+              '$_docsBaseUrl/cupertino/CupertinoTextField-class.html',
+          buildRoute: (_) => CupertinoTextFieldDemo(),
+          code: CodeSegments.cupertinoTextFieldDemo,
+        ),
+      ],
+    ),
+  ];
+}
+
+List<GalleryDemo> referenceDemos(BuildContext context) {
+  final localizations = GalleryLocalizations.of(context);
+  return [
+    GalleryDemo(
+      title: localizations.demoColorsTitle,
+      icon: GalleryIcons.colors,
+      subtitle: localizations.demoColorsSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoColorsTitle,
+          description: localizations.demoColorsDescription,
+          documentationUrl: '$_docsBaseUrl/material/MaterialColor-class.html',
+          buildRoute: (_) => ColorsDemo(),
+          code: CodeSegments.colorsDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demoTypographyTitle,
+      icon: GalleryIcons.customTypography,
+      subtitle: localizations.demoTypographySubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demoTypographyTitle,
+          description: localizations.demoTypographyDescription,
+          documentationUrl: '$_docsBaseUrl/material/TextTheme-class.html',
+          buildRoute: (_) => TypographyDemo(),
+          code: CodeSegments.typographyDemo,
+        ),
+      ],
+    ),
+    GalleryDemo(
+      title: localizations.demo2dTransformationsTitle,
+      icon: GalleryIcons.gridOn,
+      subtitle: localizations.demo2dTransformationsSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: localizations.demo2dTransformationsTitle,
+          description: localizations.demo2dTransformationsDescription,
+          documentationUrl: '$_docsBaseUrl/widgets/GestureDetector-class.html',
+          buildRoute: (_) => TransformationsDemo(),
+          code: CodeSegments.transformationsDemo,
+        ),
+      ],
+    ),
+  ];
+}
+
+class DemoWrapper extends StatelessWidget {
+  const DemoWrapper({Key key, this.child}) : super(key: key);
+
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) {
+    return Theme(
+      data: MaterialDemoThemeData.themeData.copyWith(
+        platform: GalleryOptions.of(context).platform,
+      ),
+      child: ApplyTextOptions(
+        child: CupertinoTheme(
+          data: CupertinoThemeData().copyWith(brightness: Brightness.light),
+          child: child,
+        ),
+      ),
+    );
+  }
+}

gallery/lib/data/gallery_options.dart

@@ -0,0 +1,253 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:async';
+import 'dart:io' show Platform;
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/scheduler.dart' show timeDilation;
+import 'package:gallery/constants.dart';
+
+enum CustomTextDirection {
+  localeBased,
+  ltr,
+  rtl,
+}
+
+// See http://en.wikipedia.org/wiki/Right-to-left
+const List<String> rtlLanguages = <String>[
+  'ar', // Arabic
+  'fa', // Farsi
+  'he', // Hebrew
+  'ps', // Pashto
+  'ur', // Urdu
+];
+
+// Fake locale to represent the system Locale option.
+const systemLocaleOption = Locale('system');
+
+Locale _deviceLocale;
+Locale get deviceLocale => _deviceLocale;
+set deviceLocale(Locale locale) {
+  if (_deviceLocale == null) {
+    _deviceLocale = locale;
+  }
+}
+
+class GalleryOptions {
+  const GalleryOptions({
+    this.themeMode,
+    double textScaleFactor,
+    this.customTextDirection,
+    Locale locale,
+    this.timeDilation,
+    this.platform,
+  })  : _textScaleFactor = textScaleFactor,
+        _locale = locale;
+
+  final ThemeMode themeMode;
+  final double _textScaleFactor;
+  final CustomTextDirection customTextDirection;
+  final Locale _locale;
+  final double timeDilation;
+  final TargetPlatform platform;
+
+  // We use a sentinel value to indicate the system text scale option. By
+  // default, return the actual text scale factor, otherwise return the
+  // sentinel value.
+  double textScaleFactor(BuildContext context, {bool useSentinel = false}) {
+    if (_textScaleFactor == systemTextScaleFactorOption) {
+      return useSentinel
+          ? systemTextScaleFactorOption
+          : MediaQuery.of(context).textScaleFactor;
+    } else {
+      return _textScaleFactor;
+    }
+  }
+
+  Locale get locale =>
+      _locale ??
+      deviceLocale ??
+      // TODO: When deviceLocale can be obtained on macOS, this won't be necessary
+      // https://github.com/flutter/flutter/issues/45343
+      (!kIsWeb && Platform.isMacOS ? Locale('en', 'US') : null);
+
+  /// Returns the text direction based on the [CustomTextDirection] setting.
+  /// If the locale cannot be determined, returns null.
+  TextDirection textDirection() {
+    switch (customTextDirection) {
+      case CustomTextDirection.localeBased:
+        final String language = locale?.languageCode?.toLowerCase();
+        if (language == null) return null;
+        return rtlLanguages.contains(language)
+            ? TextDirection.rtl
+            : TextDirection.ltr;
+      case CustomTextDirection.rtl:
+        return TextDirection.rtl;
+      default:
+        return TextDirection.ltr;
+    }
+  }
+
+  GalleryOptions copyWith({
+    ThemeMode themeMode,
+    double textScaleFactor,
+    CustomTextDirection customTextDirection,
+    Locale locale,
+    double timeDilation,
+    TargetPlatform platform,
+  }) {
+    return GalleryOptions(
+      themeMode: themeMode ?? this.themeMode,
+      textScaleFactor: textScaleFactor ?? this._textScaleFactor,
+      customTextDirection: customTextDirection ?? this.customTextDirection,
+      locale: locale ?? this.locale,
+      timeDilation: timeDilation ?? this.timeDilation,
+      platform: platform ?? this.platform,
+    );
+  }
+
+  @override
+  bool operator ==(Object other) =>
+      other is GalleryOptions &&
+      themeMode == other.themeMode &&
+      _textScaleFactor == other._textScaleFactor &&
+      customTextDirection == other.customTextDirection &&
+      locale == other.locale &&
+      timeDilation == other.timeDilation &&
+      platform == other.platform;
+
+  @override
+  int get hashCode => hashValues(
+        themeMode,
+        _textScaleFactor,
+        customTextDirection,
+        locale,
+        timeDilation,
+        platform,
+      );
+
+  static GalleryOptions of(BuildContext context) {
+    final _ModelBindingScope scope =
+        context.dependOnInheritedWidgetOfExactType<_ModelBindingScope>();
+    return scope.modelBindingState.currentModel;
+  }
+
+  static void update(BuildContext context, GalleryOptions newModel) {
+    final _ModelBindingScope scope =
+        context.dependOnInheritedWidgetOfExactType<_ModelBindingScope>();
+    scope.modelBindingState.updateModel(newModel);
+  }
+}
+
+// Applies text GalleryOptions to a widget
+class ApplyTextOptions extends StatelessWidget {
+  const ApplyTextOptions({@required this.child});
+
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) {
+    final options = GalleryOptions.of(context);
+    final textDirection = options.textDirection();
+    final textScaleFactor = options.textScaleFactor(context);
+
+    Widget widget = MediaQuery(
+      data: MediaQuery.of(context).copyWith(
+        textScaleFactor: textScaleFactor,
+      ),
+      child: child,
+    );
+    return textDirection == null
+        ? widget
+        : Directionality(
+            textDirection: textDirection,
+            child: widget,
+          );
+  }
+}
+
+// Everything below is boilerplate except code relating to time dilation.
+// See https://medium.com/flutter/managing-flutter-application-state-with-inheritedwidgets-1140452befe1
+
+class _ModelBindingScope extends InheritedWidget {
+  _ModelBindingScope({
+    Key key,
+    @required this.modelBindingState,
+    Widget child,
+  })  : assert(modelBindingState != null),
+        super(key: key, child: child);
+
+  final _ModelBindingState modelBindingState;
+
+  @override
+  bool updateShouldNotify(_ModelBindingScope oldWidget) => true;
+}
+
+class ModelBinding extends StatefulWidget {
+  ModelBinding({
+    Key key,
+    this.initialModel = const GalleryOptions(),
+    this.child,
+  })  : assert(initialModel != null),
+        super(key: key);
+
+  final GalleryOptions initialModel;
+  final Widget child;
+
+  _ModelBindingState createState() => _ModelBindingState();
+}
+
+class _ModelBindingState extends State<ModelBinding> {
+  GalleryOptions currentModel;
+  Timer _timeDilationTimer;
+
+  @override
+  void initState() {
+    super.initState();
+    currentModel = widget.initialModel;
+  }
+
+  @override
+  void dispose() {
+    _timeDilationTimer?.cancel();
+    _timeDilationTimer = null;
+    super.dispose();
+  }
+
+  void handleTimeDilation(GalleryOptions newModel) {
+    if (currentModel.timeDilation != newModel.timeDilation) {
+      _timeDilationTimer?.cancel();
+      _timeDilationTimer = null;
+      if (newModel.timeDilation > 1) {
+        // We delay the time dilation change long enough that the user can see
+        // that UI has started reacting and then we slam on the brakes so that
+        // they see that the time is in fact now dilated.
+        _timeDilationTimer = Timer(const Duration(milliseconds: 150), () {
+          timeDilation = newModel.timeDilation;
+        });
+      } else {
+        timeDilation = newModel.timeDilation;
+      }
+    }
+  }
+
+  void updateModel(GalleryOptions newModel) {
+    if (newModel != currentModel) {
+      handleTimeDilation(newModel);
+      setState(() {
+        currentModel = newModel;
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return _ModelBindingScope(
+      modelBindingState: this,
+      child: widget.child,
+    );
+  }
+}

gallery/lib/data/icons.dart

@@ -0,0 +1,170 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+class GalleryIcons {
+  GalleryIcons._();
+
+  static const IconData tooltip = IconData(
+    0xe900,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData textFieldsAlt = IconData(
+    0xe901,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData tabs = IconData(
+    0xe902,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData switches = IconData(
+    0xe903,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData sliders = IconData(
+    0xe904,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData shrine = IconData(
+    0xe905,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData sentimentVerySatisfied = IconData(
+    0xe906,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData refresh = IconData(
+    0xe907,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData progressActivity = IconData(
+    0xe908,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData phoneIphone = IconData(
+    0xe909,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData pageControl = IconData(
+    0xe90a,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData moreVert = IconData(
+    0xe90b,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData menu = IconData(
+    0xe90c,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData listAlt = IconData(
+    0xe90d,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData gridOn = IconData(
+    0xe90e,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData expandAll = IconData(
+    0xe90f,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData event = IconData(
+    0xe910,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData driveVideo = IconData(
+    0xe911,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData dialogs = IconData(
+    0xe912,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData dataTable = IconData(
+    0xe913,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData customTypography = IconData(
+    0xe914,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData colors = IconData(
+    0xe915,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData chips = IconData(
+    0xe916,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData checkBox = IconData(
+    0xe917,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData cards = IconData(
+    0xe918,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData buttons = IconData(
+    0xe919,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData bottomSheets = IconData(
+    0xe91a,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData bottomNavigation = IconData(
+    0xe91b,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData animation = IconData(
+    0xe91c,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData accountBox = IconData(
+    0xe91d,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData snackbar = IconData(
+    0xe91e,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData categoryMdc = IconData(
+    0xe91f,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData cupertinoProgress = IconData(
+    0xe920,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData cupertinoPullToRefresh = IconData(
+    0xe921,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData cupertinoSwitch = IconData(
+    0xe922,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData genericButtons = IconData(
+    0xe923,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData backdrop = IconData(
+    0xe924,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData bottomAppBar = IconData(
+    0xe925,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData bottomSheetPersistent = IconData(
+    0xe926,
+    fontFamily: 'GalleryIcons',
+  );
+  static const IconData listsLeaveBehind = IconData(
+    0xe927,
+    fontFamily: 'GalleryIcons',
+  );
+}