Como focar automaticamente o próximo TextInput no react-native
Estou tentando criar uma tela protegida por senha. A tela usa 4 entradas numéricas como senha.
A maneira como faço isso é criar um componente TextInput e chamá-lo 4 vezes na minha tela principal.
O problema que estou tendo é que o TextInputs não se concentrará no próximo, enquanto eu digito o valor do TextInput anterior.
Estou usando refs para todo o componente PasscodeTextInput (fui informado de que é um método herdado, mas não sei de outra maneira, infelizmente).
Tentei esse método (sem criar meu próprio componente), sem sorte também. MÉTODO
index.ios.js
import React, { Component } from 'react';
import { AppRegistry, TextInput, View, Text } from 'react-native';
import { PasscodeTextInput } from './common';
export default class ProgressBar extends Component {
render() {
const { centerEverything, container, passcodeContainer, textInputStyle} = styles;
return (
<View style={[centerEverything, container]}>
<View style={[passcodeContainer]}>
<PasscodeTextInput
autoFocus={true}
ref="passcode1"
onSubmitEditing={(event) => { this.refs.passcode2.focus() }} />
<PasscodeTextInput
ref="passcode2"
onSubmitEditing={(event) => { this.refs.passcode3.focus() }} />
<PasscodeTextInput
ref="passcode3"
onSubmitEditing={(event) => { this.refs.passcode4.focus() }}/>
<PasscodeTextInput
ref="passcode4" />
</View>
</View>
);
}
}
const styles = {
centerEverything: {
justifyContent: 'center',
alignItems: 'center',
},
container: {
flex: 1,
backgroundColor: '#E7DDD3',
},
passcodeContainer: {
flexDirection: 'row',
},
}
AppRegistry.registerComponent('ProgressBar', () => ProgressBar);
PasscodeTextInput.js
import React from 'react';
import {
View,
Text,
TextInput,
Dimensions
} from 'react-native';
const deviceWidth = require('Dimensions').get('window').width;
const deviceHeight = require('Dimensions').get('window').height;
const PasscodeTextInput = ({ ref, autoFocus, onSubmitEditing, onChangeText, value}) => {
const { inputStyle, underlineStyle } = styles;
return(
<View>
<TextInput
ref={ref}
autoFocus={autoFocus}
onSubmitEditing={onSubmitEditing}
style={[inputStyle]}
maxLength={1}
keyboardType="numeric"
placeholderTextColor="#212121"
secureTextEntry={true}
onChangeText={onChangeText}
value={value}
/>
<View style={underlineStyle} />
</View>
);
}
const styles = {
inputStyle: {
height: 80,
width: 60,
fontSize: 50,
color: '#212121',
fontSize: 40,
padding: 18,
margin: 10,
marginBottom: 0
},
underlineStyle: {
width: 60,
height: 4,
backgroundColor: '#202020',
marginLeft: 10
}
}
export { PasscodeTextInput };
Atualização 1
index.ios.js
import React, { Component } from 'react';
import { AppRegistry, TextInput, View, Text } from 'react-native';
import { PasscodeTextInput } from './common';
export default class ProgressBar extends Component {
constructor() {
super()
this.state = {
autoFocus1: true,
autoFocus2: false,
autoFocus3: false,
autoFocus4: false,
}
}
onTextChanged(t) { //callback for immediate state change
if (t == 2) { this.setState({ autoFocus1: false, autoFocus2: true }, () => { console.log(this.state) }) }
if (t == 3) { this.setState({ autoFocus2: false, autoFocus3: true }, () => { console.log(this.state) }) }
if (t == 4) { this.setState({ autoFocus3: false, autoFocus4: true }, () => { console.log(this.state) }) }
}
render() {
const { centerEverything, container, passcodeContainer, testShit, textInputStyle } = styles;
return (
<View style={[centerEverything, container]}>
<View style={[passcodeContainer]}>
<PasscodeTextInput
autoFocus={this.state.autoFocus1}
onChangeText={() => this.onTextChanged(2)} />
<PasscodeTextInput
autoFocus={this.state.autoFocus2}
onChangeText={() => this.onTextChanged(3)} />
<PasscodeTextInput
autoFocus={this.state.autoFocus3}
onChangeText={() => this.onTextChanged(4)} />
<PasscodeTextInput
autoFocus={this.state.autoFocus4} />
</View>
</View>
);
}
}
const styles = {
centerEverything: {
justifyContent: 'center',
alignItems: 'center',
},
container: {
flex: 1,
backgroundColor: '#E7DDD3',
},
passcodeContainer: {
flexDirection: 'row',
},
}
AppRegistry.registerComponent('ProgressBar', () => ProgressBar);