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[英]How to trigger onSubmitted on a Flutter for web TextField
[英]Flutter: How to close keyboard on onSubmitted() for TextField without lost focus
我有一个 TextField 小部件,在提交onSubmitted()
之后,我想继续关注这个 TextField,使用readonly = false
但同时我想最小化键盘或关闭它,我不能使用
FocusScope.of(context).requestFocus(new FocusNode());
或者
FocusScope.of(context).unfocus();
或者
SystemChannels.textInput.invokeMethod('TextInput.hide');
当调用 onSubmit 时,键盘将被禁用,因为 readOnly 为真,但 TextField 将具有焦点。 但是当您点击 TextField 时,会出现键盘,因为现在 readOnly 是 false 并且它已经有了焦点
class _MyAppState extends State<MyApp> {
bool read = false;
FocusNode focusNode = FocusNode();
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: Scaffold(
body: Center(
child: Container(
padding: EdgeInsets.all(10),
child: TextField(
onTap: () {
read = false;
setState(() {});
},
focusNode: focusNode,
readOnly: read,
cursorColor: Colors.blue,
onSubmitted: (val) async {
print(val);
read = true;
focusNode.requestFocus(new FocusNode());
setState(() {});
},
),
),
),
));
}
}
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