A library that exposes device specific speech recognition capability.
This plugin contains a set of classes that make it easy to use the voice recognition capabilities of the underlying platform in Flutter. It supports Android, iOS. The target use cases for this library are commands and short phrases, not continuous spoken conversion or always on listening.
| Android | iOS | |
|---|---|---|
| Support | SDK 21+ | 10.0+ |
<key>NSMicrophoneUsageDescription</key>
<string>This example listens for speech on the device microphone on your request.</string>
<key>NSSpeechRecognitionUsageDescription</key>
<string>This example recognizes words as you speak them and displays them. </string>
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET"/>
Use this plugin in your Flutter app to:
- Convert speech to text and search.
- Convert speech to text and store text in local storage.
This plugin relies on the flutter core.
To use the plugin you just need to add voice_assistant: ^1.0.1 into your pubspec.yaml file and run pub get.
voice_assistant: ^1.0.1
import 'dart:convert';
import 'package:example/http_service.dart';
import 'package:voice_assistant/voice_assistant.dart';
void main() { runApp(const MyApp()); }
class MyApp extends StatelessWidget { const MyApp({super.key});
// This widget is the root of your application. @override Widget build(BuildContext context) {
return MaterialApp(
title: 'Voice Assistant', theme: ThemeData(
primarySwatch: Colors.blue,
), home: const MyAppPage(title: 'Voice Assistant'),
); } }
class MyAppPage extends StatefulWidget { const MyAppPage({super.key, required this.title});
final String title;
@override State<MyAppPage> createState() => _MyAppPageState(); }
class _MyAppPageState extends State<MyAppPage> { String textStringValue = ""; List<dynamic>
searchedData = []; bool isSearching = false;
@override Widget build(BuildContext context) { return Scaffold(
appBar: AppBar(
backgroundColor: Colors.white, iconTheme: const IconThemeData(
color: Colors.black, //change your color here
), title:
Text(widget.title, style: const TextStyle(color: Colors.black)), centerTitle: true, elevation: 2.5,
actions: [
InkWell(
onTap: () { Navigator.push(
context, MaterialPageRoute(
builder: (context) => const VoiceTextListView()),); },
child: Container(
margin: const EdgeInsets.only(right: 10), child: const Icon(Icons.list_alt,)))
],), body: Center(
// Center is a layout widget. It takes a single child and positions it // in the middle of the
parent. child: Column(
mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[
SizedBox(
height: 300, child: Align(
alignment: Alignment.bottomCenter, child: VoiceToTextView(
micClicked: true, isDoingBackgroundProcess: isSearching, listenTextStreamCallBack: (String? value)
{}, listenTextCompleteCallBack:
(String? value, ActionType actionTypeValue) async { if (value!.isNotEmpty && actionTypeValue ==
ActionType.search) { setState(() { isSearching = true; }); Map<String, dynamic> requestData = {
'keyword': value,
'search_type': 'varieties',
'latitude': 22.750741,
'longitude': 75.89564 }; String jsonStringResponse = await httpService.getPosts(requestData); Map<
String, dynamic> responseData = json.decode(jsonStringResponse); if (responseData.isNotEmpty &&
responseData['success'] && responseData['data'].isNotEmpty) { //setState(() { searchedData =
responseData['data']; // });
}
setState(() {
isSearching = false; });
}
else {} },),)),
Expanded(
child: Column(
children: [
ListView.builder(
shrinkWrap: true, itemCount: searchedData.length, itemBuilder: (BuildContext context, int index) {
return Padding(
padding: const EdgeInsets.only(
left: 10, right: 10, top: 10, bottom: 10), child: Row(
children: [
const Icon(Icons.lens, size: 10,), const SizedBox(width: 10,),
Expanded(
child: Text(searchedData[index]['title'], style: const TextStyle(fontSize: 18),))
],),); })
],))
],),)); } }
All notable changes to this project will be documented in this file.
To report your issues, submit them directly in the Issues section.