Add localization for expand icon collapse/expand tap hint (#20766)

packages/flutter/lib/src/material/expand_icon.dart

@@ -9,12 +9,17 @@ import 'colors.dart';
 import 'debug.dart';
 import 'icon_button.dart';
 import 'icons.dart';
+import 'material_localizations.dart';
 import 'theme.dart';
 
 /// A widget representing a rotating expand/collapse button. The icon rotates
 /// 180 deg when pressed, then reverts the animation on a second press.
 /// The underlying icon is [Icons.expand_more].
 ///
+/// The expand icon does not include a semantic label for accessibility. In
+/// order to be accessible it should be combined with a label using
+/// [MergeSemantics]. This is done automatically by the [ExpansionPanel] widget.
+///
 /// See [IconButton] for a more general implementation of a pressable button
 /// with an icon.
 class ExpandIcon extends StatefulWidget {
@@ -104,14 +109,20 @@ class _ExpandIconState extends State<ExpandIcon> with SingleTickerProviderStateM
   @override
   Widget build(BuildContext context) {
     assert(debugCheckHasMaterial(context));
-    return new IconButton(
-      padding: widget.padding,
-      color: Colors.black38,
-      onPressed: widget.onPressed == null ? null : _handlePressed,
-      icon: new RotationTransition(
-        turns: _iconTurns,
-        child: const Icon(Icons.expand_more)
-      )
+    final MaterialLocalizations localizations = MaterialLocalizations.of(context);
+    final String onTapHint = widget.isExpanded ? localizations.expandedIconTapHint : localizations.collapsedIconTapHint;
+
+    return new Semantics(
+      onTapHint: widget.onPressed == null ? null : onTapHint,
+      child: new IconButton(
+        padding: widget.padding,
+        color: Colors.black38,
+        onPressed: widget.onPressed == null ? null : _handlePressed,
+        icon: new RotationTransition(
+          turns: _iconTurns,
+          child: const Icon(Icons.expand_more)
+        ),
+      ),
     );
   }
 }

packages/flutter/lib/src/material/expansion_panel.dart

@@ -288,7 +288,7 @@ class _ExpansionPanelListState extends State<ExpansionPanelList> {
           key: new _SaltedKey<BuildContext, int>(context, index * 2),
           child: new Column(
             children: <Widget>[
-              header,
+              new MergeSemantics(child: header),
               new AnimatedCrossFade(
                 firstChild: new Container(height: 0.0),
                 secondChild: child.body,

packages/flutter/lib/src/material/material_localizations.dart

@@ -301,6 +301,12 @@ abstract class MaterialLocalizations {
   /// list one space right in the list.
   String get reorderItemRight;
 
+  /// The semantics hint to describe the tap action on an expanded [ExpandIcon].
+  String get expandedIconTapHint => 'Collapse';
+
+  /// The semantics hint to describe the tap action on a collapsed [ExpandIcon].
+  String get collapsedIconTapHint => 'Expand';
+
   /// The `MaterialLocalizations` from the closest [Localizations] instance
   /// that encloses the given context.
   ///
@@ -681,6 +687,12 @@ class DefaultMaterialLocalizations implements MaterialLocalizations {
   @override
   String get reorderItemToStart => 'Move to the start';
 
+  @override
+  String get expandedIconTapHint => 'Collapse';
+
+  @override
+  String get collapsedIconTapHint => 'Expand';
+
   /// Creates an object that provides US English resource values for the material
   /// library widgets.
   ///

packages/flutter/test/material/expand_icon_test.dart

@@ -36,7 +36,7 @@ void main() {
       )
     );
 
-    final IconTheme iconTheme = tester.firstWidget(find.byType(IconTheme));
+    final IconTheme iconTheme = tester.firstWidget(find.byType(IconTheme).last);
     expect(iconTheme.data.color, equals(Colors.black26));
   });
 
@@ -84,12 +84,46 @@ void main() {
     final RotationTransition rotation = tester.firstWidget(find.byType(RotationTransition));
     expect(rotation.turns.value, 0.5);
   });
+
+  testWidgets('ExpandIcon has correct semantic hints', (WidgetTester tester) async {
+    final SemanticsHandle handle = tester.ensureSemantics();
+    const DefaultMaterialLocalizations localizations = DefaultMaterialLocalizations();
+    await tester.pumpWidget(wrap(
+        child: new ExpandIcon(
+          isExpanded: true,
+          onPressed: (bool _) {},
+        )
+    ));
+
+    expect(tester.getSemanticsData(find.byType(ExpandIcon)), matchesSemanticsData(
+      hasTapAction: true,
+      hasEnabledState: true,
+      isEnabled: true,
+      isButton: true,
+      onTapHint: localizations.expandedIconTapHint,
+    ));
+
+    await tester.pumpWidget(wrap(
+      child: new ExpandIcon(
+        isExpanded: false,
+        onPressed: (bool _) {},
+      )
+    ));
+
+    expect(tester.getSemanticsData(find.byType(ExpandIcon)), matchesSemanticsData(
+      hasTapAction: true,
+      hasEnabledState: true,
+      isEnabled: true,
+      isButton: true,
+      onTapHint: localizations.collapsedIconTapHint,
+    ));
+    handle.dispose();
+  });
 }
 
 Widget wrap({ Widget child }) {
-  return new Directionality(
-    textDirection: TextDirection.ltr,
-    child: new Center(
+  return new MaterialApp(
+    home: new Center(
       child: new Material(child: child),
     ),
   );

packages/flutter/test/material/expansion_panel_test.dart

@@ -347,4 +347,59 @@ void main() {
     expect(find.text('E'), findsOneWidget);
     expect(find.text('F'), findsNothing);
   });
+
+  testWidgets('Panel header has semantics', (WidgetTester tester) async {
+    const Key expandedKey = Key('expanded');
+    const Key collapsedKey = Key('collapsed');
+    const DefaultMaterialLocalizations localizations = DefaultMaterialLocalizations();
+    final SemanticsHandle handle = tester.ensureSemantics();
+    final List<ExpansionPanel> _demoItems = <ExpansionPanel>[
+      new ExpansionPanel(
+        headerBuilder: (BuildContext context, bool isExpanded) {
+          return const Text('Expanded', key: expandedKey);
+        },
+        body: const SizedBox(height: 100.0),
+        isExpanded: true,
+      ),
+      new ExpansionPanel(
+        headerBuilder: (BuildContext context, bool isExpanded) {
+          return const Text('Collapsed', key: collapsedKey);
+        },
+        body: const SizedBox(height: 100.0),
+        isExpanded: false,
+      ),
+    ];
+
+    final ExpansionPanelList _expansionList = new ExpansionPanelList(
+      children: _demoItems,
+    );
+
+    await tester.pumpWidget(
+      new MaterialApp(
+        home: new SingleChildScrollView(
+          child: _expansionList,
+        ),
+      ),
+    );
+
+    expect(tester.getSemanticsData(find.byKey(expandedKey)), matchesSemanticsData(
+      label: 'Expanded',
+      isButton: true,
+      hasEnabledState: true,
+      isEnabled: true,
+      hasTapAction: true,
+      onTapHint: localizations.expandedIconTapHint,
+    ));
+
+    expect(tester.getSemanticsData(find.byKey(collapsedKey)), matchesSemanticsData(
+      label: 'Collapsed',
+      isButton: true,
+      hasEnabledState: true,
+      isEnabled: true,
+      hasTapAction: true,
+      onTapHint: localizations.collapsedIconTapHint,
+    ));
+
+    handle.dispose();
+  });
 }

packages/flutter_localizations/lib/src/l10n/localizations.dart

@@ -65,6 +65,9 @@ class MaterialLocalizationAr extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'إغلاق';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'متابعة';
 
@@ -83,6 +86,9 @@ class MaterialLocalizationAr extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'قائمة تنقل';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'إخفاء الحسابات';
 
@@ -242,6 +248,9 @@ class MaterialLocalizationBg extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Затваряне';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'НАПРЕД';
 
@@ -260,6 +269,9 @@ class MaterialLocalizationBg extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Меню за навигация';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Скриване на профилите';
 
@@ -419,6 +431,9 @@ class MaterialLocalizationBs extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Zatvaranje';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'NASTAVI';
 
@@ -437,6 +452,9 @@ class MaterialLocalizationBs extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigacijski izbornik';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Sakrijte račune';
 
@@ -596,6 +614,9 @@ class MaterialLocalizationCa extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Tanca';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'CONTINUA';
 
@@ -614,6 +635,9 @@ class MaterialLocalizationCa extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menú de navegació';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Amaga els comptes';
 
@@ -773,6 +797,9 @@ class MaterialLocalizationCs extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Zavřít';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'POKRAČOVAT';
 
@@ -791,6 +818,9 @@ class MaterialLocalizationCs extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigační nabídka';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Skrýt účty';
 
@@ -950,6 +980,9 @@ class MaterialLocalizationDa extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Luk';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'FORTSÆT';
 
@@ -968,6 +1001,9 @@ class MaterialLocalizationDa extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigationsmenu';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Skjul konti';
 
@@ -1127,6 +1163,9 @@ class MaterialLocalizationDe extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Schließen';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'WEITER';
 
@@ -1145,6 +1184,9 @@ class MaterialLocalizationDe extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigationsmenü';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Konten ausblenden';
 
@@ -1334,6 +1376,9 @@ class MaterialLocalizationEl extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Κλείσιμο';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'ΣΥΝΕΧΕΙΑ';
 
@@ -1352,6 +1397,9 @@ class MaterialLocalizationEl extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Μενού πλοήγησης';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Απόκρυψη λογαριασμών';
 
@@ -1511,6 +1559,9 @@ class MaterialLocalizationEn extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Close';
 
+  @override
+  String get collapsedIconTapHint => r'Expand';
+
   @override
   String get continueButtonLabel => r'CONTINUE';
 
@@ -1529,6 +1580,9 @@ class MaterialLocalizationEn extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigation menu';
 
+  @override
+  String get expandedIconTapHint => r'Collapse';
+
   @override
   String get hideAccountsLabel => r'Hide accounts';
 
@@ -1949,6 +2003,9 @@ class MaterialLocalizationEs extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Cerrar';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'CONTINUAR';
 
@@ -1967,6 +2024,9 @@ class MaterialLocalizationEs extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menú de navegación';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Ocultar cuentas';
 
@@ -3449,6 +3509,9 @@ class MaterialLocalizationEt extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Sule';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'JÄTKA';
 
@@ -3467,6 +3530,9 @@ class MaterialLocalizationEt extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigeerimismenüü';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Peida kontod';
 
@@ -3626,6 +3692,9 @@ class MaterialLocalizationFa extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'بستن';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'ادامه';
 
@@ -3644,6 +3713,9 @@ class MaterialLocalizationFa extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'منوی پیمایش';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'پنهان کردن حساب‌ها';
 
@@ -3803,6 +3875,9 @@ class MaterialLocalizationFi extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Sulje';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'JATKA';
 
@@ -3821,6 +3896,9 @@ class MaterialLocalizationFi extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigointivalikko';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Piilota tilit';
 
@@ -3980,6 +4058,9 @@ class MaterialLocalizationFil extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Isara';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'MAGPATULOY';
 
@@ -3998,6 +4079,9 @@ class MaterialLocalizationFil extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menu ng navigation';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Itago ang mga account';
 
@@ -4157,6 +4241,9 @@ class MaterialLocalizationFr extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Fermer';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'CONTINUER';
 
@@ -4175,6 +4262,9 @@ class MaterialLocalizationFr extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menu de navigation';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Masquer les comptes';
 
@@ -4361,6 +4451,9 @@ class MaterialLocalizationGsw extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Schließen';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'WEITER';
 
@@ -4379,6 +4472,9 @@ class MaterialLocalizationGsw extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigationsmenü';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Konten ausblenden';
 
@@ -4538,6 +4634,9 @@ class MaterialLocalizationHe extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'סגירה';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'המשך';
 
@@ -4556,6 +4655,9 @@ class MaterialLocalizationHe extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'תפריט ניווט';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'הסתרת החשבונות';
 
@@ -4715,6 +4817,9 @@ class MaterialLocalizationHi extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'बंद करें';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'जारी रखें';
 
@@ -4733,6 +4838,9 @@ class MaterialLocalizationHi extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'नेविगेशन मेन्यू';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'खाते छिपाएं';
 
@@ -4892,6 +5000,9 @@ class MaterialLocalizationHr extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Zatvaranje';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'NASTAVI';
 
@@ -4910,6 +5021,9 @@ class MaterialLocalizationHr extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigacijski izbornik';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Sakrijte račune';
 
@@ -5069,6 +5183,9 @@ class MaterialLocalizationHu extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Bezárás';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'TOVÁBB';
 
@@ -5087,6 +5204,9 @@ class MaterialLocalizationHu extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigációs menü';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Fiókok elrejtése';
 
@@ -5246,6 +5366,9 @@ class MaterialLocalizationId extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Tutup';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'LANJUTKAN';
 
@@ -5264,6 +5387,9 @@ class MaterialLocalizationId extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menu navigasi';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Sembunyikan akun';
 
@@ -5423,6 +5549,9 @@ class MaterialLocalizationIt extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Chiudi';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'CONTINUA';
 
@@ -5441,6 +5570,9 @@ class MaterialLocalizationIt extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menu di navigazione';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Nascondi account';
 
@@ -5600,6 +5732,9 @@ class MaterialLocalizationJa extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'閉じる';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'続行';
 
@@ -5618,6 +5753,9 @@ class MaterialLocalizationJa extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'ナビゲーション メニュー';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'アカウントを非表示';
 
@@ -5777,6 +5915,9 @@ class MaterialLocalizationKo extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'닫기';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'계속';
 
@@ -5795,6 +5936,9 @@ class MaterialLocalizationKo extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'탐색 메뉴';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'계정 숨기기';
 
@@ -5954,6 +6098,9 @@ class MaterialLocalizationLt extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Uždaryti';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'TĘSTI';
 
@@ -5972,6 +6119,9 @@ class MaterialLocalizationLt extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Naršymo meniu';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Slėpti paskyras';
 
@@ -6131,6 +6281,9 @@ class MaterialLocalizationLv extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Aizvērt';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'TURPINĀT';
 
@@ -6149,6 +6302,9 @@ class MaterialLocalizationLv extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigācijas izvēlne';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Slēpt kontus';
 
@@ -6308,6 +6464,9 @@ class MaterialLocalizationMs extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Tutup';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'TERUSKAN';
 
@@ -6326,6 +6485,9 @@ class MaterialLocalizationMs extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menu navigasi';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Sembunyikan akaun';
 
@@ -6485,6 +6647,9 @@ class MaterialLocalizationNb extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Lukk';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'FORTSETT';
 
@@ -6503,6 +6668,9 @@ class MaterialLocalizationNb extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigasjonsmeny';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Skjul kontoer';
 
@@ -6662,6 +6830,9 @@ class MaterialLocalizationNl extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Sluiten';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'DOORGAAN';
 
@@ -6680,6 +6851,9 @@ class MaterialLocalizationNl extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigatiemenu';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Accounts verbergen';
 
@@ -6839,6 +7013,9 @@ class MaterialLocalizationPl extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Zamknij';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'DALEJ';
 
@@ -6857,6 +7034,9 @@ class MaterialLocalizationPl extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menu nawigacyjne';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Ukryj konta';
 
@@ -7016,6 +7196,9 @@ class MaterialLocalizationPs extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'بنده';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'منځپانګې';
 
@@ -7034,6 +7217,9 @@ class MaterialLocalizationPs extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'د نیویگیشن مینو';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'حسابونه پټ کړئ';
 
@@ -7193,6 +7379,9 @@ class MaterialLocalizationPt extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Fechar';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'CONTINUAR';
 
@@ -7211,6 +7400,9 @@ class MaterialLocalizationPt extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menu de navegação';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Ocultar contas';
 
@@ -7439,6 +7631,9 @@ class MaterialLocalizationRo extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Închideți';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'CONTINUAȚI';
 
@@ -7457,6 +7652,9 @@ class MaterialLocalizationRo extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Meniu de navigare';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Ascundeți conturile';
 
@@ -7616,6 +7814,9 @@ class MaterialLocalizationRu extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Закрыть';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'ПРОДОЛЖИТЬ';
 
@@ -7634,6 +7835,9 @@ class MaterialLocalizationRu extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Меню навигации';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Скрыть аккаунты';
 
@@ -7793,6 +7997,9 @@ class MaterialLocalizationSk extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Zavrieť';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'POKRAČOVAŤ';
 
@@ -7811,6 +8018,9 @@ class MaterialLocalizationSk extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigačná ponuka';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Skryť účty';
 
@@ -7970,6 +8180,9 @@ class MaterialLocalizationSl extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Zapiranje';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'NAPREJ';
 
@@ -7988,6 +8201,9 @@ class MaterialLocalizationSl extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Meni za krmarjenje';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Skrivanje računov';
 
@@ -8147,6 +8363,9 @@ class MaterialLocalizationSr extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Затворите';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'НАСТАВИ';
 
@@ -8165,6 +8384,9 @@ class MaterialLocalizationSr extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Мени за навигацију';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Сакриј налоге';
 
@@ -8462,6 +8684,9 @@ class MaterialLocalizationSv extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Stäng';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'FORTSÄTT';
 
@@ -8480,6 +8705,9 @@ class MaterialLocalizationSv extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Navigeringsmeny';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Dölj konton';
 
@@ -8639,6 +8867,9 @@ class MaterialLocalizationTh extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'ปิด';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'ต่อไป';
 
@@ -8657,6 +8888,9 @@ class MaterialLocalizationTh extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'เมนูการนำทาง';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'ซ่อนบัญชี';
 
@@ -8816,6 +9050,9 @@ class MaterialLocalizationTl extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Isara';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'MAGPATULOY';
 
@@ -8834,6 +9071,9 @@ class MaterialLocalizationTl extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menu ng navigation';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Itago ang mga account';
 
@@ -8993,6 +9233,9 @@ class MaterialLocalizationTr extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Kapat';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'DEVAM';
 
@@ -9011,6 +9254,9 @@ class MaterialLocalizationTr extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Gezinme menüsü';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Hesapları gizle';
 
@@ -9170,6 +9416,9 @@ class MaterialLocalizationUk extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Закрити';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'ПРОДОВЖИТИ';
 
@@ -9188,6 +9437,9 @@ class MaterialLocalizationUk extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Меню навігації';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Сховати облікові записи';
 
@@ -9347,6 +9599,9 @@ class MaterialLocalizationUr extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'بند کریں';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'جاری رکھیں';
 
@@ -9365,6 +9620,9 @@ class MaterialLocalizationUr extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'نیویگیشن مینو';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'اکاؤنٹس چھپائیں';
 
@@ -9524,6 +9782,9 @@ class MaterialLocalizationVi extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'Đóng';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'TIẾP TỤC';
 
@@ -9542,6 +9803,9 @@ class MaterialLocalizationVi extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'Menu di chuyển';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'Ẩn tài khoản';
 
@@ -9701,6 +9965,9 @@ class MaterialLocalizationZh extends GlobalMaterialLocalizations {
   @override
   String get closeButtonTooltip => r'关闭';
 
+  @override
+  String get collapsedIconTapHint => r'TBD';
+
   @override
   String get continueButtonLabel => r'继续';
 
@@ -9719,6 +9986,9 @@ class MaterialLocalizationZh extends GlobalMaterialLocalizations {
   @override
   String get drawerLabel => r'导航菜单';
 
+  @override
+  String get expandedIconTapHint => r'TBD';
+
   @override
   String get hideAccountsLabel => r'隐藏帐号';
 

packages/flutter_localizations/lib/src/l10n/material_ar.arb

@@ -49,5 +49,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_bg.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_bs.arb

@@ -46,5 +46,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }
\ No newline at end of file

packages/flutter_localizations/lib/src/l10n/material_ca.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_cs.arb

@@ -47,5 +47,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_da.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_de.arb

@@ -46,5 +46,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_de_CH.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_el.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_en.arb

@@ -235,5 +235,15 @@
   "reorderItemRight": "Move right",
   "@reorderItemRight": {
     "description": "The audio announcement to move an item in a Reorderable List right in the list when it is oriented horizontally."
+  },
+
+  "expandedIconTapHint": "Collapse",
+  "@expandedIconTapHint": {
+    "description": "The verb which describes what happens when an expanded ExpandIcon toggle button is pressed. This is used by TalkBack on Android to replace the default hint on the accessibility action. The verb will be concatenated with a prefix string which describes how to perform the action, which by default is 'double tap to activate'. In the case of US english, this would be 'double tap to collapse.' The exact phrasing of the hint will vary based on locale"
+  },
+
+  "collapsedIconTapHint": "Expand",
+  "@collapsedIconTapHint": {
+    "description": "The verb which describes what happens when a collapsed ExpandIcon toggle button is pressed. This is used by TalkBack on Android to replace the default hint on the accessibility action. The verb will be concatenated with a prefix string which describes how to perform the action, which by default is 'double tap to activate'. In the case of US english, this would be 'double tap to expand.' The exact phrasing of the hint will vary based on locale"
   }
 }

packages/flutter_localizations/lib/src/l10n/material_en_AU.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "Move up",
   "reorderItemDown": "Move down",
   "reorderItemLeft": "Move left",
-  "reorderItemRight": "Move right"
+  "reorderItemRight": "Move right",
+  "expandedIconTapHint": "Collapse",
+  "collapsedIconTapHint": "Expand"
 }

packages/flutter_localizations/lib/src/l10n/material_en_CA.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "Move up",
   "reorderItemDown": "Move down",
   "reorderItemLeft": "Move left",
-  "reorderItemRight": "Move right"
+  "reorderItemRight": "Move right",
+  "expandedIconTapHint": "Collapse",
+  "collapsedIconTapHint": "Expand"
 }

packages/flutter_localizations/lib/src/l10n/material_en_GB.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "Move up",
   "reorderItemDown": "Move down",
   "reorderItemLeft": "Move left",
-  "reorderItemRight": "Move right"
+  "reorderItemRight": "Move right",
+  "expandedIconTapHint": "Collapse",
+  "collapsedIconTapHint": "Expand"
 }

packages/flutter_localizations/lib/src/l10n/material_en_IE.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "Move up",
   "reorderItemDown": "Move down",
   "reorderItemLeft": "Move left",
-  "reorderItemRight": "Move right"
+  "reorderItemRight": "Move right",
+  "expandedIconTapHint": "Collapse",
+  "collapsedIconTapHint": "Expand"
 }

packages/flutter_localizations/lib/src/l10n/material_en_IN.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "Move up",
   "reorderItemDown": "Move down",
   "reorderItemLeft": "Move left",
-  "reorderItemRight": "Move right"
+  "reorderItemRight": "Move right",
+  "expandedIconTapHint": "Collapse",
+  "collapsedIconTapHint": "Expand"
 }

packages/flutter_localizations/lib/src/l10n/material_en_SG.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "Move up",
   "reorderItemDown": "Move down",
   "reorderItemLeft": "Move left",
-  "reorderItemRight": "Move right"
+  "reorderItemRight": "Move right",
+  "expandedIconTapHint": "Collapse",
+  "collapsedIconTapHint": "Expand"
 }

packages/flutter_localizations/lib/src/l10n/material_en_ZA.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "Move up",
   "reorderItemDown": "Move down",
   "reorderItemLeft": "Move left",
-  "reorderItemRight": "Move right"
+  "reorderItemRight": "Move right",
+  "expandedIconTapHint": "Collapse",
+  "collapsedIconTapHint": "Expand"
 }

packages/flutter_localizations/lib/src/l10n/material_es.arb

@@ -46,5 +46,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_419.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_AR.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_BO.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_CL.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_CO.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_CR.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_DO.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_EC.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_GT.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_HN.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_MX.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_NI.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_PA.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_PE.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_PR.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_PY.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_SV.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_US.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_UY.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_es_VE.arb

@@ -39,5 +39,7 @@
   "popupMenuLabel": "Menú emergente",
   "dialogLabel": "Diálogo",
   "alertDialogLabel": "Alerta",
-  "searchFieldLabel": "Buscar"
+  "searchFieldLabel": "Buscar",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_et.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_fa.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_fi.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_fil.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_fr.arb

@@ -46,5 +46,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_gsw.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_he.arb

@@ -47,5 +47,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_hi.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_hr.arb

@@ -46,5 +46,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_hu.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_id.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_it.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_ja.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_ko.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_lt.arb

@@ -47,5 +47,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_lv.arb

@@ -46,5 +46,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_ms.arb

@@ -46,5 +46,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_nb.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_nl.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_pl.arb

@@ -47,5 +47,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_ps.arb

@@ -44,5 +44,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_pt.arb

@@ -47,5 +47,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_pt_PT.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_ro.arb

@@ -47,5 +47,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_ru.arb

@@ -48,5 +48,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_sk.arb

@@ -47,5 +47,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_sl.arb

@@ -47,5 +47,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_sr.arb

@@ -46,5 +46,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_sr_Latn.arb

@@ -46,5 +46,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_sv.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_th.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_tl.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_tr.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_uk.arb

@@ -47,5 +47,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_ur.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_vi.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_zh.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_zh_HK.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/lib/src/l10n/material_zh_TW.arb

@@ -45,5 +45,7 @@
   "reorderItemUp": "TBD",
   "reorderItemDown": "TBD",
   "reorderItemLeft": "TBD",
-  "reorderItemRight": "TBD"
+  "reorderItemRight": "TBD",
+  "expandedIconTapHint": "TBD",
+  "collapsedIconTapHint": "TBD"
 }

packages/flutter_localizations/test/translations_test.dart

@@ -38,6 +38,8 @@ void main() {
       expect(localizations.popupMenuLabel, isNotNull);
       expect(localizations.dialogLabel, isNotNull);
       expect(localizations.alertDialogLabel, isNotNull);
+      expect(localizations.collapsedIconTapHint, isNotNull);
+      expect(localizations.expandedIconTapHint, isNotNull);
 
       expect(localizations.aboutListTileTitle('FOO'), isNotNull);
       expect(localizations.aboutListTileTitle('FOO'), contains('FOO'));