86 lines
2.5 KiB
Dart
86 lines
2.5 KiB
Dart
// Author: fengshengxiong
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// Date: 2024/5/8
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// Description: 语音转文本
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:speech_to_text/speech_recognition_error.dart';
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import 'package:speech_to_text/speech_to_text.dart';
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import 'package:trans_lark/widget/base_easyloading.dart';
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class SpeechToTextManager {
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static final SpeechToTextManager _instance = SpeechToTextManager._();
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factory SpeechToTextManager() {
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return _instance;
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}
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SpeechToTextManager._();
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final _speechToText = SpeechToText();
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var hasSpeech = false;
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var isListening = false.obs;
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Future<void> initSpeech() async {
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try {
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BaseEasyLoading.loading();
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hasSpeech = await _speechToText.initialize(
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onStatus: _statusListener,
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onError: _errorListener,
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);
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BaseEasyLoading.dismiss();
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_speechToText.statusListener ??= _statusListener;
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_speechToText.errorListener ??= _errorListener;
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} catch (e) {
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debugPrint('Speech recognition failed: ${e.toString()}');
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}
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}
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void _statusListener(String status) {
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debugPrint('状态：$status');
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if (status == 'listening') {
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isListening.value = true;
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} else {
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isListening.value = false;
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}
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}
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void _errorListener(SpeechRecognitionError error) {
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debugPrint('Received error status: $error, listening: ${_speechToText.isListening}');
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BaseEasyLoading.toast('Speech recognition failed: ${error.errorMsg}');
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}
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Future<void> startListening(String localeId, SpeechResultListener onResult) async {
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BaseEasyLoading.loading();
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try {
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await _speechToText.listen(
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onResult: onResult,
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localeId: localeId,
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listenFor: const Duration(minutes: 30),
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pauseFor: const Duration(minutes: 3),
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listenOptions: SpeechListenOptions(
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cancelOnError: true,
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autoPunctuation: true,
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listenMode: ListenMode.dictation,
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),
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);
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BaseEasyLoading.dismiss();
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} catch (e) {
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if (e.runtimeType == ListenFailedException) {
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debugPrint('speechToText.listen：${(e as ListenFailedException).message}');
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} else {
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debugPrint('speechToText.listen：${e.toString()}');
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}
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BaseEasyLoading.toast('The current language does not support speech recognition');
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}
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}
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Future<void> stopListening() async {
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if (isListening.value) {
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BaseEasyLoading.loading();
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await _speechToText.stop();
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BaseEasyLoading.dismiss();
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}
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}
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}
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