[英]How to produce Flutter Text Field that underline incorrect words with suggestion provided?
[英]Flutter: How to obtain text entered from Autocomplete field instead of selecting a suggestion?
您可以創建另一個變量來保存 state class 中的輸入字符串,如String? _inputString;
String? _inputString;
並更新optionsBuilder
值
class _AutocompleteBasicExampleState extends State<AutocompleteBasicExample> {
String? _inputString;
@override
Widget build(BuildContext context) {
return Autocomplete<String>(
optionsBuilder: (TextEditingValue textEditingValue) {
setState(() {
_inputString = textEditingValue.text;
});
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