HeaderTitle.js
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/* @flow */
import * as React from 'react';
import { Text, View, Platform, StyleSheet, Animated } from 'react-native';
type AnimatedTextStyleProp = $PropertyType<
$PropertyType<Animated.Text, 'props'>,
'style'
>;
type Props = {
children: React.Node,
selectionColor?: string | number,
style?: AnimatedTextStyleProp,
};
const AnimatedText = Animated.Text;
const HeaderTitle = ({ style, ...rest }: Props) => (
<AnimatedText
numberOfLines={1}
{...rest}
style={[styles.title, style]}
accessibilityTraits="header"
/>
);
const styles = StyleSheet.create({
title: {
fontSize: Platform.OS === 'ios' ? 17 : 20,
fontWeight: Platform.OS === 'ios' ? '600' : '500',
color: 'rgba(0, 0, 0, .9)',
textAlign: Platform.OS === 'ios' ? 'center' : 'left',
marginHorizontal: 16,
},
});
export default HeaderTitle;