57 lines
1.3 KiB
JavaScript
57 lines
1.3 KiB
JavaScript
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// @flow
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import React, { Component } from 'react';
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import { TouchableOpacity } from 'react-native';
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import styles from './styles';
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import { Icon } from '../../base/font-icons';
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import { Platform } from '../../base/react';
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/**
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* The icon glyph to be used on a specific platform.
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*/
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const BACK_ICON = Platform.OS === 'android' ? 'arrow_back' : 'navigate_before';
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/**
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* The type of the React {@code Component} props of {@link BackButton}
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*/
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type Props = {
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/**
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* The action to be performed when the button is pressed.
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*/
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onPress: Function,
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/**
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* An external style object passed to the component.
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*/
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style: Object
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};
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/**
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* A component rendering a back button that looks native on both platforms.
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*/
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export default class BackButton extends Component<Props> {
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/**
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* Implements React's {@link Component#render()}, renders the button.
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*
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* @inheritdoc
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* @returns {ReactElement}
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*/
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render() {
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return (
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<TouchableOpacity
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accessibilityLabel = { 'Back' }
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onPress = { this.props.onPress }>
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<Icon
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name = { BACK_ICON }
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style = { [
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styles.backIcon,
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this.props.style
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] } />
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</TouchableOpacity>
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);
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}
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}
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