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[a11y] Fix date picker cannot focus on the edit field (#143117)

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fixes: [DatePicker edit field](https://github.com/flutter/flutter/issues/143116) 

https://b.corp.google.com/issues/322173632
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hangyu 2024-02-14 13:09:44 -08:00 committed by GitHub
parent 3f09b23338
commit 846719ecaf
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4 changed files with 101 additions and 63 deletions
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1
packages/flutter/lib/src/material/calendar_date_picker.dart
View file

@ -394,6 +394,7 @@ class _DatePickerModeToggleButtonState extends State<_DatePickerModeToggleButton
label: MaterialLocalizations.of(context).selectYearSemanticsLabel,
excludeSemantics: true,
button: true,
container: true,
child: SizedBox(
height: _subHeaderHeight,
child: InkWell(

108
packages/flutter/lib/src/material/date_picker.dart
View file

@ -867,64 +867,76 @@ class _DatePickerHeader extends StatelessWidget {
switch (orientation) {
case Orientation.portrait:
return SizedBox(
height: _datePickerHeaderPortraitHeight,
child: Material(
color: backgroundColor,
child: Padding(
padding: const EdgeInsetsDirectional.only(
start: 24,
end: 12,
bottom: 12,
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
const SizedBox(height: 16),
help,
const Flexible(child: SizedBox(height: 38)),
Row(
children: <Widget>[
Expanded(child: title),
if (entryModeButton != null)
entryModeButton!,
],
),
],
return Semantics(
container: true,
child: SizedBox(
height: _datePickerHeaderPortraitHeight,
child: Material(
color: backgroundColor,
child: Padding(
padding: const EdgeInsetsDirectional.only(
start: 24,
end: 12,
bottom: 12,
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
const SizedBox(height: 16),
help,
const Flexible(child: SizedBox(height: 38)),
Row(
children: <Widget>[
Expanded(child: title),
if (entryModeButton != null)
Semantics(
container: true,
child: entryModeButton,
),
],
),
],
),
),
),
),
);
case Orientation.landscape:
return SizedBox(
width: _datePickerHeaderLandscapeWidth,
child: Material(
color: backgroundColor,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
const SizedBox(height: 16),
Padding(
padding: const EdgeInsets.symmetric(
horizontal: _headerPaddingLandscape,
),
child: help,
),
SizedBox(height: isShort ? 16 : 56),
Expanded(
child: Padding(
return Semantics(
container: true,
child:SizedBox(
width: _datePickerHeaderLandscapeWidth,
child: Material(
color: backgroundColor,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
const SizedBox(height: 16),
Padding(
padding: const EdgeInsets.symmetric(
horizontal: _headerPaddingLandscape,
),
child: title,
child: help,
),
),
if (entryModeButton != null)
Padding(
padding: const EdgeInsets.symmetric(horizontal: 4),
child: entryModeButton,
SizedBox(height: isShort ? 16 : 56),
Expanded(
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: _headerPaddingLandscape,
),
child: title,
),
),
],
if (entryModeButton != null)
Padding(
padding: const EdgeInsets.symmetric(horizontal: 4),
child: Semantics(
container: true,
child: entryModeButton,
),
),
],
),
),
),
);

32
packages/flutter/lib/src/material/input_date_picker_form_field.dart
View file

@ -256,21 +256,25 @@ class _InputDatePickerFormFieldState extends State<InputDatePickerFormField> {
?? theme.inputDecorationTheme.border
?? (useMaterial3 ? const OutlineInputBorder() : const UnderlineInputBorder());
return TextFormField(
decoration: InputDecoration(
hintText: widget.fieldHintText ?? localizations.dateHelpText,
labelText: widget.fieldLabelText ?? localizations.dateInputLabel,
).applyDefaults(inputTheme
.merge(datePickerTheme.inputDecorationTheme)
.copyWith(border: effectiveInputBorder),
return Semantics(
container: true,
child: TextFormField(
decoration: InputDecoration(
hintText: widget.fieldHintText ?? localizations.dateHelpText,
labelText: widget.fieldLabelText ?? localizations.dateInputLabel,
).applyDefaults(
inputTheme
.merge(datePickerTheme.inputDecorationTheme)
.copyWith(border: effectiveInputBorder),
),
validator: _validateDate,
keyboardType: widget.keyboardType ?? TextInputType.datetime,
onSaved: _handleSaved,
onFieldSubmitted: _handleSubmitted,
autofocus: widget.autofocus,
controller: _controller,
focusNode: widget.focusNode,
),
validator: _validateDate,
keyboardType: widget.keyboardType ?? TextInputType.datetime,
onSaved: _handleSaved,
onFieldSubmitted: _handleSubmitted,
autofocus: widget.autofocus,
controller: _controller,
focusNode: widget.focusNode,
);
}
}

23
packages/flutter/test/material/date_picker_test.dart
View file

@ -13,6 +13,7 @@ import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import '../widgets/clipboard_utils.dart';
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
@ -1577,6 +1578,13 @@ void main() {
});
testWidgets('input mode', (WidgetTester tester) async {
// Fill the clipboard so that the Paste option is available in the text
// selection menu.
final MockClipboard mockClipboard = MockClipboard();
tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, mockClipboard.handleMethodCall);
await Clipboard.setData(const ClipboardData(text: 'Clipboard data'));
addTearDown(() => tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, null));
final SemanticsHandle semantics = tester.ensureSemantics();
initialEntryMode = DatePickerEntryMode.input;
@ -1596,7 +1604,20 @@ void main() {
isFocusable: true,
));
// The semantics of the InputDatePickerFormField are tested in its tests.
expect(tester.getSemantics(find.byType(EditableText)), matchesSemantics(
label: 'Enter Date',
isTextField: true,
isFocused: true,
value: '01/15/2016',
hasTapAction: true,
hasSetTextAction: true,
hasSetSelectionAction: true,
hasCopyAction: true,
hasCutAction: true,
hasPasteAction: true,
hasMoveCursorBackwardByCharacterAction: true,
hasMoveCursorBackwardByWordAction: true,
));
// Ok/Cancel buttons
expect(tester.getSemantics(find.text('OK')), matchesSemantics(