如何解决如何在颤振中将语音传递到文本字段?
我在 Flutter 中有一个应用程序可以将语音转换为文本,问题是我还没有找到一种方法将结果放入输入或文本字段中,到目前为止它只能转录为不能(显然) 进行修改,如何将结果放入文本字段?
这是我的代码:
import 'package:Flutter/material.dart';
import 'package:speech_to_text/speech_to_text.dart' as stt;
class SpeechScreen extends StatefulWidget {
@override
_SpeechScreenState createState() => _SpeechScreenState();
}
class _SpeechScreenState extends State<SpeechScreen> {
stt.SpeechToText _speech;
bool _isListening = false;
String _textSpeech = 'Presiona el botón para iniciar a hablar';
void onListen() async {
bool available = await _speech.initialize(
onStatus: (val) => print('onStatus: $val'),onError: (val) => print('onError: $val'));
if (!_isListening) {
if (available) {
setState(() {
_isListening = false;
_speech.listen(
onResult: (val) => setState(() {
_textSpeech = val.recognizedWords;
}),);
});
}
} else {
setState(() {
_isListening = false;
_speech.stop();
});
}
}
void stopListen() {
_speech.stop();
setState(() {});
}
@override
void initState() {
super.initState();
_speech = stt.SpeechToText();
}
@override
Widget build(BuildContext context) {
_fondoApp() {
final gradiente = Container(
width: double.infinity,height: double.infinity,decoration: Boxdecoration(
gradient: LinearGradient(
begin: FractionalOffset(0.0,0.0),end: FractionalOffset(0.0,1.0),colors: [Colors.black87,Colors.black])),);
return Stack(
children: <Widget>[gradiente],);
}
return Scaffold(
body: Stack(children: <Widget>[
_fondoApp(),Container(
padding: EdgeInsets.all(30.0),child: Text(_textSpeech,style: TextStyle(
fontSize: 32,color: Colors.white,fontWeight: FontWeight.w500))),]),floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,floatingActionButton: Padding(
padding: const EdgeInsets.all(8.0),child: Row(
mainAxisAlignment: MainAxisAlignment.center,children: <Widget>[
FloatingActionButton(
onpressed: onListen,child: Icon(Icons.mic),backgroundColor: Colors.green,),SizedBox(
width: 40,SizedBox(
child: _speech.isListening
? Text(
"Escuchando...",style: TextStyle(
color: Colors.white,fontWeight: FontWeight.bold),)
: Text(
'Sin escuchar',FloatingActionButton(
child: Icon(Icons.stop),heroTag: "btn2",backgroundColor: Colors.redAccent,onpressed: () => stopListen(),],));
}
}
你的帮助真的很棒,谢谢。
解决方法
我们可以创建一个带有 TextField
的 TextEditingController
:
class _SpeechScreenState extends State<SpeechScreen> {
TextEditingControlller _textEditingController = TextEditingControlller();
Widget _buildTextController() {
return TextField(controller: _textEditingController);
}
}
这样做,在我们将语音翻译成文本后,我们可以更新 _textEditingController
文本:
void onListen() async {
bool available = await _speech.initialize(
onStatus: (val) => print('onStatus: $val'),onError: (val) => print('onError: $val'));
if (!_isListening) {
if (available) {
setState(() {
_isListening = false;
_speech.listen(
onResult: (val) => setState(() {
_textSpeech = val.recognizedWords;
_textEditingController.text = val.recognizedWords;
}),);
});
}
} else {
setState(() {
_isListening = false;
_speech.stop();
});
}
}
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