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When the Form widget calls the reset method, if it contains widget of the FormField type (such as TextFormField), the onChange method of those components will not be called #123009
Description
class TestWidget extends StatelessWidget {
final _formKey = GlobalKey<FormState>();
TestWidget({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Form(
key: _formKey,
child: Column(
children: [
ElevatedButton(
onPressed: (){
_formKey.currentState?.reset();
},
child: const Text("reset")
),
TextFormField(
onChanged: (value) {
// not executed on _formKey.currentState?.reset()
print(value);
}
)
],
)
);
}
}
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Entering text in a text field or keyboard related problemsFound to occur in 3.7Found to occur in 3.9flutter/packages/flutter repository. See also f: labels.The issue has been confirmed reproducible and is ready to work onmaterial_ui package in flutter/packagesIssue is closed as already fixed in a newer versionOwned by Design Languages teamTriaged by Design Languages team
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darshankawar commentedon Mar 21, 2023
@yeleibo
Can you provide
flutter doctor -valongwith current vs expected behavior upon running code sample above ?yeleibo commentedon Mar 21, 2023
@darshankawar
flutter doctor -v
``` [√] Flutter (Channel stable, 3.7.5, on Microsoft Windows [版本 10.0.19045.2728], locale zh-CN) • Flutter version 3.7.5 on channel stable at C:\soft\flutter • Upstream repository https://github.com/flutter/flutter.git • Framework revision c07f788 (4 weeks ago), 2023-02-22 17:52:33 -0600 • Engine revision 0f359063c4 • Dart version 2.19.2 • DevTools version 2.20.1darshankawar commentedon Mar 22, 2023
@yeleibo
On which platform are you seeing the behavior ? I ran your code sample using latest master on iOS and observed as shown in below video which seem to work fine ?
123009.mov
runnable code sample
yeleibo commentedon Mar 22, 2023
@darshankawar
You should notice that when you click the reset button, the component's onChange method is not executed. When you enter normally, the onChange method is executed normally. Solution I have created a pull request
darshankawar commentedon Mar 23, 2023
Thanks for the update.
stable, master flutter doctor -v
3 remaining items
Form fields onChange callback should be called on reset (#134295)
github-actions commentedon Oct 5, 2023
This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of
flutter doctor -vand a minimal reproduction of the issue.Form fields onChange callback should be called on reset (flutter#134295)
Form fields onChange callback should be called on reset (#134295)