[Gallery] Implement Cupertino tab bar demo (#195)

gallery/gallery/lib/codeviewer/code_segments.dart

@@ -413,6 +413,551 @@ class CodeSegments {
     ]);
   }
 
+  static TextSpan cupertinoNavigationDemo(BuildContext context) {
+    final CodeStyle codeStyle = CodeStyle.of(context);
+    return TextSpan(children: [
+      TextSpan(
+          style: codeStyle.commentStyle,
+          text: '// Copyright 2019 The Flutter team. All rights reserved.'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a'),
+      TextSpan(
+          style: codeStyle.commentStyle,
+          text:
+              '// Use of this source code is governed by a BSD-style license that can be'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a'),
+      TextSpan(
+          style: codeStyle.commentStyle, text: '// found in the LICENSE file.'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a'),
+      TextSpan(style: codeStyle.keywordStyle, text: 'import'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(
+          style: codeStyle.stringStyle,
+          text: '\u0027package:flutter/cupertino.dart\u0027'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a'),
+      TextSpan(style: codeStyle.keywordStyle, text: 'import'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(
+          style: codeStyle.stringStyle,
+          text: '\u0027package:gallery/l10n/gallery_localizations.dart\u0027'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a'),
+      TextSpan(style: codeStyle.keywordStyle, text: 'class'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: '_TabInfo'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '{'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'const'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: '_TabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.keywordStyle, text: 'this'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'this'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ');'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a  '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'final'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'String'),
+      TextSpan(style: codeStyle.baseStyle, text: ' title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'final'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'IconData'),
+      TextSpan(style: codeStyle.baseStyle, text: ' icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '}'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a'),
+      TextSpan(style: codeStyle.keywordStyle, text: 'class'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoNavigationDemo'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'extends'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'StatelessWidget'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '{'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.keywordStyle, text: '@override'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.classStyle, text: 'Widget'),
+      TextSpan(style: codeStyle.baseStyle, text: ' build'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.classStyle, text: 'BuildContext'),
+      TextSpan(style: codeStyle.baseStyle, text: ' context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ')'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '{'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a    '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'final'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '='),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '<'),
+      TextSpan(style: codeStyle.classStyle, text: '_TabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '>['),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      '),
+      TextSpan(style: codeStyle.classStyle, text: '_TabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        '),
+      TextSpan(style: codeStyle.classStyle, text: 'GalleryLocalizations'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'of'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ').'),
+      TextSpan(style: codeStyle.baseStyle, text: 'cupertinoNavigationHomeTab'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoIcons'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'home'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      '),
+      TextSpan(style: codeStyle.classStyle, text: '_TabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        '),
+      TextSpan(style: codeStyle.classStyle, text: 'GalleryLocalizations'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'of'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ').'),
+      TextSpan(style: codeStyle.baseStyle, text: 'cupertinoNavigationChatTab'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoIcons'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'conversation_bubble'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      '),
+      TextSpan(style: codeStyle.classStyle, text: '_TabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        '),
+      TextSpan(style: codeStyle.classStyle, text: 'GalleryLocalizations'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'of'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ').'),
+      TextSpan(
+          style: codeStyle.baseStyle, text: 'cupertinoNavigationProfileTab'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoIcons'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'profile_circled'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a    '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '];'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a    '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'return'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'DefaultTextStyle'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      style'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoTheme'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'of'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ').'),
+      TextSpan(style: codeStyle.baseStyle, text: 'textTheme'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'textStyle'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      child'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoTabScaffold'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        tabBar'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoTabBar'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a          items'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a            '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'for'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.keywordStyle, text: 'final'),
+      TextSpan(style: codeStyle.baseStyle, text: ' tabInfo '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'in'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ')'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.classStyle, text: 'BottomNavigationBarItem'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a                title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'Text'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a                icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'Icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a          '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '],'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        tabBuilder'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: ' index'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ')'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '{'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a          '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'switch'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'index'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ')'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '{'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a            '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'case'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.numberStyle, text: '0'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'return'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoTabView'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a                builder'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ')'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '=>'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: '_CupertinoDemoTab'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a                  title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.numberStyle, text: '0'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '].'),
+      TextSpan(style: codeStyle.baseStyle, text: 'title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a                  icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.numberStyle, text: '0'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '].'),
+      TextSpan(style: codeStyle.baseStyle, text: 'icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a                '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(
+          style: codeStyle.baseStyle,
+          text: '\u000a                defaultTitle'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.numberStyle, text: '0'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '].'),
+      TextSpan(style: codeStyle.baseStyle, text: 'title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.punctuationStyle, text: ');'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'break'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a            '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'case'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.numberStyle, text: '1'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'return'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoTabView'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a                builder'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ')'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '=>'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: '_CupertinoDemoTab'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a                  title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.numberStyle, text: '1'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '].'),
+      TextSpan(style: codeStyle.baseStyle, text: 'title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a                  icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.numberStyle, text: '1'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '].'),
+      TextSpan(style: codeStyle.baseStyle, text: 'icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a                '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(
+          style: codeStyle.baseStyle,
+          text: '\u000a                defaultTitle'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.numberStyle, text: '1'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '].'),
+      TextSpan(style: codeStyle.baseStyle, text: 'title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.punctuationStyle, text: ');'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'break'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a            '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'case'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.numberStyle, text: '2'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'return'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoTabView'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a                builder'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ')'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '=>'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: '_CupertinoDemoTab'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a                  title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.numberStyle, text: '2'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '].'),
+      TextSpan(style: codeStyle.baseStyle, text: 'title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a                  icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.numberStyle, text: '2'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '].'),
+      TextSpan(style: codeStyle.baseStyle, text: 'icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a                '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(
+          style: codeStyle.baseStyle,
+          text: '\u000a                defaultTitle'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' _tabInfo'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '['),
+      TextSpan(style: codeStyle.numberStyle, text: '2'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '].'),
+      TextSpan(style: codeStyle.baseStyle, text: 'title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.punctuationStyle, text: ');'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a              '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'break'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a          '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '}'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a          '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'return'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'null'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '},'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a    '),
+      TextSpan(style: codeStyle.punctuationStyle, text: ');'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '}'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '}'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a'),
+      TextSpan(style: codeStyle.keywordStyle, text: 'class'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: '_CupertinoDemoTab'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'extends'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'StatelessWidget'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '{'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'const'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: '_CupertinoDemoTab'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '({'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a    '),
+      TextSpan(style: codeStyle.classStyle, text: 'Key'),
+      TextSpan(style: codeStyle.baseStyle, text: ' key'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a    '),
+      TextSpan(style: codeStyle.keywordStyle, text: '@required'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'this'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a    '),
+      TextSpan(style: codeStyle.keywordStyle, text: '@required'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'this'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '})'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'super'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: 'key'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' key'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ');'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a  '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'final'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'String'),
+      TextSpan(style: codeStyle.baseStyle, text: ' title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'final'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'IconData'),
+      TextSpan(style: codeStyle.baseStyle, text: ' icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ';'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a  '),
+      TextSpan(style: codeStyle.keywordStyle, text: '@override'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.classStyle, text: 'Widget'),
+      TextSpan(style: codeStyle.baseStyle, text: ' build'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.classStyle, text: 'BuildContext'),
+      TextSpan(style: codeStyle.baseStyle, text: ' context'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ')'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '{'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a    '),
+      TextSpan(style: codeStyle.keywordStyle, text: 'return'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoPageScaffold'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      navigationBar'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoNavigationBar'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '(),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      backgroundColor'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'CupertinoColors'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '.'),
+      TextSpan(style: codeStyle.baseStyle, text: 'systemBackground'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      child'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'Center'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        child'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.classStyle, text: 'Icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '('),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a          icon'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(
+          style: codeStyle.baseStyle, text: '\u000a          semanticLabel'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' title'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a          size'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ':'),
+      TextSpan(style: codeStyle.baseStyle, text: ' '),
+      TextSpan(style: codeStyle.numberStyle, text: '100'),
+      TextSpan(style: codeStyle.punctuationStyle, text: ','),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a        '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a      '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '),'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a    '),
+      TextSpan(style: codeStyle.punctuationStyle, text: ');'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a  '),
+      TextSpan(style: codeStyle.punctuationStyle, text: '}'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a'),
+      TextSpan(style: codeStyle.punctuationStyle, text: '}'),
+      TextSpan(style: codeStyle.baseStyle, text: '\u000a\u000a'),
+    ]);
+  }
+
   static TextSpan cupertinoAlertDemo(BuildContext context) {
     final CodeStyle codeStyle = CodeStyle.of(context);
     return TextSpan(children: [

gallery/gallery/lib/data/demos.dart

@@ -10,6 +10,7 @@ import 'package:gallery/data/gallery_options.dart';
 import 'package:gallery/data/icons.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_tab_bar_demo.dart';
 import 'package:gallery/demos/cupertino/cupertino_segmented_control_demo.dart';
 import 'package:gallery/demos/material/bottom_navigation_demo.dart';
 import 'package:gallery/demos/material/bottom_sheet_demo.dart';
@@ -466,6 +467,22 @@ List<GalleryDemo> cupertinoDemos(BuildContext context) {
         ),
       ],
     ),
+    GalleryDemo(
+      title: GalleryLocalizations.of(context).demoCupertinoTabBarTitle,
+      icon: GalleryIcons.bottomNavigation,
+      subtitle: GalleryLocalizations.of(context).demoCupertinoTabBarSubtitle,
+      configurations: [
+        GalleryDemoConfiguration(
+          title: GalleryLocalizations.of(context).demoCupertinoTabBarTitle,
+          description:
+              GalleryLocalizations.of(context).demoCupertinoTabBarDescription,
+          documentationUrl:
+              'https://api.flutter.dev/flutter/cupertino/CupertinoTabBar-class.html',
+          buildRoute: (_) => CupertinoTabBarDemo(),
+          code: CodeSegments.cupertinoNavigationDemo,
+        ),
+      ],
+    ),
   ];
 }
 

gallery/gallery/lib/demos/cupertino/cupertino_tab_bar_demo.dart

@@ -0,0 +1,88 @@
+// 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:gallery/l10n/gallery_localizations.dart';
+
+// BEGIN cupertinoNavigationDemo
+
+class _TabInfo {
+  const _TabInfo(this.title, this.icon);
+
+  final String title;
+  final IconData icon;
+}
+
+class CupertinoTabBarDemo extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    final _tabInfo = [
+      _TabInfo(
+        GalleryLocalizations.of(context).cupertinoTabBarHomeTab,
+        CupertinoIcons.home,
+      ),
+      _TabInfo(
+        GalleryLocalizations.of(context).cupertinoTabBarChatTab,
+        CupertinoIcons.conversation_bubble,
+      ),
+      _TabInfo(
+        GalleryLocalizations.of(context).cupertinoTabBarProfileTab,
+        CupertinoIcons.profile_circled,
+      ),
+    ];
+
+    return DefaultTextStyle(
+      style: CupertinoTheme.of(context).textTheme.textStyle,
+      child: CupertinoTabScaffold(
+        tabBar: CupertinoTabBar(
+          items: [
+            for (final tabInfo in _tabInfo)
+              BottomNavigationBarItem(
+                title: Text(tabInfo.title),
+                icon: Icon(tabInfo.icon),
+              ),
+          ],
+        ),
+        tabBuilder: (context, index) {
+          return CupertinoTabView(
+            builder: (context) => _CupertinoDemoTab(
+              title: _tabInfo[index].title,
+              icon: _tabInfo[index].icon,
+            ),
+            defaultTitle: _tabInfo[index].title,
+          );
+        },
+      ),
+    );
+  }
+}
+
+class _CupertinoDemoTab extends StatelessWidget {
+  const _CupertinoDemoTab({
+    Key key,
+    @required this.title,
+    @required this.icon,
+  }) : super(key: key);
+
+  final String title;
+  final IconData icon;
+
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoPageScaffold(
+      navigationBar: CupertinoNavigationBar(),
+      backgroundColor: CupertinoColors.systemBackground,
+      child: Center(
+        child: Icon(
+          icon,
+          semanticLabel: title,
+          size: 100,
+        ),
+      ),
+    );
+  }
+}
+
+// END

gallery/gallery/lib/l10n/gallery_localizations.dart

@@ -1174,6 +1174,27 @@ class GalleryLocalizations {
         desc: r'Button text to show iOS-style alert.');
   }
 
+  String get cupertinoTabBarChatTab {
+    return Intl.message(r'Chat',
+        locale: _localeName,
+        name: 'cupertinoTabBarChatTab',
+        desc: r'Title for the chat tab in the bottom tab bar demo.');
+  }
+
+  String get cupertinoTabBarHomeTab {
+    return Intl.message(r'Home',
+        locale: _localeName,
+        name: 'cupertinoTabBarHomeTab',
+        desc: r'Title for the home tab in the bottom tab bar demo.');
+  }
+
+  String get cupertinoTabBarProfileTab {
+    return Intl.message(r'Profile',
+        locale: _localeName,
+        name: 'cupertinoTabBarProfileTab',
+        desc: r'Title for the profile tab in the bottom tab bar demo.');
+  }
+
   String get demoActionChipDescription {
     return Intl.message(
         r'Action chips are a set of options which trigger an action related to primary content. Action chips should appear dynamically and contextually in a UI.',
@@ -1539,6 +1560,28 @@ class GalleryLocalizations {
         desc: r'Title for the cupertino segmented control component demo.');
   }
 
+  String get demoCupertinoTabBarDescription {
+    return Intl.message(
+        r'An iOS-style bottom navigation tab bar. Displays multiple tabs with one tab being active, the first tab by default.',
+        locale: _localeName,
+        name: 'demoCupertinoTabBarDescription',
+        desc: r'Description for the cupertino bottom tab bar demo.');
+  }
+
+  String get demoCupertinoTabBarSubtitle {
+    return Intl.message(r'iOS-style bottom tab bar',
+        locale: _localeName,
+        name: 'demoCupertinoTabBarSubtitle',
+        desc: r'Subtitle for the cupertino bottom tab bar demo.');
+  }
+
+  String get demoCupertinoTabBarTitle {
+    return Intl.message(r'Tab Bar',
+        locale: _localeName,
+        name: 'demoCupertinoTabBarTitle',
+        desc: r'Title for the cupertino bottom tab bar demo.');
+  }
+
   String get demoDialogSubtitle {
     return Intl.message(r'Simple, alert, and fullscreen',
         locale: _localeName,

gallery/gallery/lib/l10n/intl_en_US.arb

@@ -645,6 +645,30 @@
   "@demoCupertinoSegmentedControlDescription": {
     "description": "Description for the cupertino segmented control component demo."
   },
+  "demoCupertinoTabBarTitle": "Tab Bar",
+  "@demoCupertinoTabBarTitle": {
+    "description": "Title for the cupertino bottom tab bar demo."
+  },
+  "demoCupertinoTabBarSubtitle": "iOS-style bottom tab bar",
+  "@demoCupertinoTabBarSubtitle": {
+    "description": "Subtitle for the cupertino bottom tab bar demo."
+  },
+  "demoCupertinoTabBarDescription": "An iOS-style bottom navigation tab bar. Displays multiple tabs with one tab being active, the first tab by default.",
+  "@demoCupertinoTabBarDescription": {
+    "description": "Description for the cupertino bottom tab bar demo."
+  },
+  "cupertinoTabBarHomeTab": "Home",
+  "@cupertinoTabBarHomeTab": {
+    "description": "Title for the home tab in the bottom tab bar demo."
+  },
+  "cupertinoTabBarChatTab": "Chat",
+  "@cupertinoTabBarChatTab": {
+    "description": "Title for the chat tab in the bottom tab bar demo."
+  },
+  "cupertinoTabBarProfileTab": "Profile",
+  "@cupertinoTabBarProfileTab": {
+    "description": "Title for the profile tab in the bottom tab bar demo."
+  },
   "demoColorsTitle": "Colors",
   "@demoColorsTitle": {
     "description": "Title for the colors demo."

gallery/gallery/lib/l10n/intl_en_US.xml

@@ -609,6 +609,30 @@
     name="demoCupertinoSegmentedControlDescription"
     description="Description for the cupertino segmented control component demo."
     >Used to select between a number of mutually exclusive options. When one option in the segmented control is selected, the other options in the segmented control cease to be selected.</string>
+  <string
+    name="demoCupertinoTabBarTitle"
+    description="Title for the cupertino bottom tab bar demo."
+    >Tab Bar</string>
+  <string
+    name="demoCupertinoTabBarSubtitle"
+    description="Subtitle for the cupertino bottom tab bar demo."
+    >iOS-style bottom tab bar</string>
+  <string
+    name="demoCupertinoTabBarDescription"
+    description="Description for the cupertino bottom tab bar demo."
+    >An iOS-style bottom navigation tab bar. Displays multiple tabs with one tab being active, the first tab by default.</string>
+  <string
+    name="cupertinoTabBarHomeTab"
+    description="Title for the home tab in the bottom tab bar demo."
+    >Home</string>
+  <string
+    name="cupertinoTabBarChatTab"
+    description="Title for the chat tab in the bottom tab bar demo."
+    >Chat</string>
+  <string
+    name="cupertinoTabBarProfileTab"
+    description="Title for the profile tab in the bottom tab bar demo."
+    >Profile</string>
   <string
     name="demoColorsTitle"
     description="Title for the colors demo."

gallery/gallery/lib/l10n/messages_en_US.dart

@@ -305,6 +305,10 @@ class MessageLookup extends MessageLookupByLibrary {
             MessageLookupByLibrary.simpleMessage("With Background"),
         "cupertinoShowAlert":
             MessageLookupByLibrary.simpleMessage("Show Alert"),
+        "cupertinoTabBarChatTab": MessageLookupByLibrary.simpleMessage("Chat"),
+        "cupertinoTabBarHomeTab": MessageLookupByLibrary.simpleMessage("Home"),
+        "cupertinoTabBarProfileTab":
+            MessageLookupByLibrary.simpleMessage("Profile"),
         "demoActionChipDescription": MessageLookupByLibrary.simpleMessage(
             "Action chips are a set of options which trigger an action related to primary content. Action chips should appear dynamically and contextually in a UI."),
         "demoActionChipTitle":
@@ -396,6 +400,12 @@ class MessageLookup extends MessageLookupByLibrary {
             MessageLookupByLibrary.simpleMessage("iOS-style segmented control"),
         "demoCupertinoSegmentedControlTitle":
             MessageLookupByLibrary.simpleMessage("Segmented Control"),
+        "demoCupertinoTabBarDescription": MessageLookupByLibrary.simpleMessage(
+            "An iOS-style bottom navigation tab bar. Displays multiple tabs with one tab being active, the first tab by default."),
+        "demoCupertinoTabBarSubtitle":
+            MessageLookupByLibrary.simpleMessage("iOS-style bottom tab bar"),
+        "demoCupertinoTabBarTitle":
+            MessageLookupByLibrary.simpleMessage("Tab Bar"),
         "demoDialogSubtitle": MessageLookupByLibrary.simpleMessage(
             "Simple, alert, and fullscreen"),
         "demoDialogTitle": MessageLookupByLibrary.simpleMessage("Dialogs"),