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TextToSpeech.js
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TextToSpeech.js
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import React, { Component } from "react";
import {
Platform,
StyleSheet,
Text,
View,
Button,
FlatList,
Slider,
TextInput,
Keyboard
} from "react-native";
import Tts from "react-native-tts";
export default class YourComponent extends Component {
constructor(props) {
super(props);
Tts.addEventListener("tts-start", event =>
this.setState({ ttsStatus: "started" })
);
Tts.addEventListener("tts-finish", event =>
this.setState({ ttsStatus: "finished" })
);
Tts.addEventListener("tts-cancel", event =>
this.setState({ ttsStatus: "cancelled" })
);
Tts.getInitStatus().then(this.initTts);
console.log("PROPS"+props.text)
this.state = {
voices: [],
ttsStatus: "initiliazing",
selectedVoice: 'en-us-x-sfg#female_1-local',
speechRate: 0.5,
speechPitch: 1,
text: props.text,
repeat: props.text
};
console.log("NOW: " +this.props.text)
Tts.setDefaultRate(this.state.speechRate);
Tts.setDefaultPitch(this.state.speechPitch);
}
repeat = async () => {
this.setState(previousState => ({
repeat: previousState.text
}));
Tts.stop();
Tts.speak(this.state.text);
}
initTts = async () => {
const voices = await Tts.voices();
const availableVoices = voices
.filter(v => !v.networkConnectionRequired && !v.notInstalled)
.map(v => {
return { id: v.id, name: v.name, language: v.language };
});
let selectedVoice = null;
if (voices && voices.length > 0) {
selectedVoice = voices[0].id;
try {
await Tts.setDefaultLanguage(voices[0].language);
} catch (err) {
console.log(`setDefaultLanguage error `, err);
}
await Tts.setDefaultVoice(voices[0].id);
this.setState({
voices: availableVoices,
selectedVoice,
ttsStatus: "initialized"
});
} else {
this.setState({ ttsStatus: "initialized" });
}
};
readText = async () => {
Tts.stop();
Tts.setDefaultVoice('en-us-x-sfg#female_1-local');
Tts.speak(this.state.text);
};
componentDidUpdate =() => {
this.state.text = this.props.text;
}
setSpeechRate = async rate => {
await Tts.setDefaultRate(rate);
this.setState({ speechRate: rate });
};
setSpeechPitch = async rate => {
await Tts.setDefaultPitch(rate);
this.setState({ speechPitch: rate });
};
onVoicePress = async voice => {
try {
await Tts.setDefaultLanguage(voice.language);
} catch (err) {
// My Samsung S9 has always this error: "Language is not supported"
console.log(`setDefaultLanguage error `, err);
}
await Tts.setDefaultVoice(voice.id);
this.setState({ selectedVoice: voice.id });
};
renderVoiceItem = ({ item }) => {
console.log(this.state.selectedVoice)
return (
<Button
title={`${item.language} - ${item.name || item.id}`}
color={this.state.selectedVoice === item.id ? undefined : "#969696"}
onPress={() => this.onVoicePress(item)}
/>
);
};
render() {
console.log("TTS: "+this.state.text)
return (
<View style={styles.container}>
{/* <Text style={styles.title}>{`React Native TTS Example`}</Text> */}
<View style={styles.newbutton}>
<Button title={`Read text`} onPress={this.readText} style={styles.newnewbutton} />
<Button title={`Repeat`} onPress={this.repeat} style={styles.newnewbutton}/>
</View>
{/* <Text style={styles.label}>{`Status: ${this.state.ttsStatus ||
""}`}</Text>
<Text style={styles.label}>{`Selected Voice: ${this.state
.selectedVoice || ""}`}</Text> */}
<View style={styles.sliderContainer}>
<Text
style={styles.sliderLabel}
>{`Speed: ${this.state.speechRate.toFixed(2)}`}</Text>
<Slider
style={styles.slider}
minimumValue={0.01}
maximumValue={0.99}
value={this.state.speechRate}
onSlidingComplete={this.setSpeechRate}
/>
</View>
<View style={styles.sliderContainer}>
<Text
style={styles.sliderLabel}
>{`Pitch: ${this.state.speechPitch.toFixed(2)}`}</Text>
<Slider
style={styles.slider}
minimumValue={0.5}
maximumValue={2}
value={this.state.speechPitch}
onSlidingComplete={this.setSpeechPitch}
/>
</View>
{/* <TextInput
style={styles.textInput}
multiline={true}
onChangeText={text => this.setState({ text })}
value={this.state.text}
onSubmitEditing={Keyboard.dismiss}
/> */}
{/* <FlatList
keyExtractor={item => item.id}
renderItem={this.renderVoiceItem}
extraData={this.state.selectedVoice}
data={this.state.voices}
/> */}
</View>
);
}
}
const styles = StyleSheet.create({
container: {
marginTop: 26,
flex: 0.05,
justifyContent: "center",
alignItems: "center",
backgroundColor: "#F5FCFF"
},
title: {
fontSize: 20,
textAlign: "center",
margin: 10
},
label: {
textAlign: "center"
},
sliderContainer: {
flexDirection: "row",
justifyContent: "center",
alignItems: "center"
},
sliderLabel: {
textAlign: "center",
marginRight: 20
},
slider: {
width: 150
},
textInput: {
borderColor: "gray",
borderWidth: 1,
flex: 1,
width: "100%"
},
newbutton: {
flexDirection: "row",
justifyContent: 'space-between',
width: '50%'
},
newnewbutton: {
width: '70%',
}
});