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Fix CupertinoSwitch accessibility (#19927)

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xster 2018-07-30 11:18:32 -07:00 committed by GitHub
parent dfe5b591a6
commit cded7efbd0
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 46 additions and 36 deletions
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77
examples/flutter_gallery/lib/demo/cupertino/cupertino_switch_demo.dart
View File

@ -26,42 +26,51 @@ class _CupertinoSwitchDemoState extends State<CupertinoSwitchDemo> {
child: new Column(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: <Widget>[
new Column(
children: <Widget>[
new CupertinoSwitch(
value: _switchValue,
onChanged: (bool value) {
setState(() {
_switchValue = value;
});
},
),
const Text(
'Active'
),
],
new Semantics(
container: true,
child: new Column(
children: <Widget>[
new CupertinoSwitch(
value: _switchValue,
onChanged: (bool value) {
setState(() {
_switchValue = value;
});
},
),
const Text(
'Active'
),
],
),
),
new Column(
children: const <Widget>[
const CupertinoSwitch(
value: true,
onChanged: null,
),
const Text(
'Disabled'
),
],
new Semantics(
container: true,
child: new Column(
children: const <Widget>[
const CupertinoSwitch(
value: true,
onChanged: null,
),
const Text(
'Disabled'
),
],
),
),
new Column(
children: const <Widget>[
const CupertinoSwitch(
value: false,
onChanged: null,
),
const Text(
'Disabled'
),
],
new Semantics(
container: true,
child: new Column(
children: const <Widget>[
const CupertinoSwitch(
value: false,
onChanged: null,
),
const Text(
'Disabled'
),
],
),
),
],
),

5
packages/flutter/lib/src/cupertino/switch.dart
View File

@ -380,10 +380,11 @@ class _RenderCupertinoSwitch extends RenderConstrainedBox {
void describeSemanticsConfiguration(SemanticsConfiguration config) {
super.describeSemanticsConfiguration(config);
config.isSemanticBoundary = isInteractive;
if (isInteractive)
config.onTap = _handleTap;
config.isChecked = _value;
config.isEnabled = isInteractive;
config.isToggled = _value;
}
final CupertinoThumbPainter _thumbPainter = new CupertinoThumbPainter();